зеркало из https://github.com/mozilla/gecko-dev.git
5195 строки
170 KiB
C++
5195 строки
170 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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* Pierre Phaneuf <pp@ludusdesign.com>
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*/
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#include "nsHTMLEditRules.h"
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#include "nsEditor.h"
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#include "nsHTMLEditUtils.h"
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#include "nsHTMLEditor.h"
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#include "nsIContent.h"
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#include "nsIContentIterator.h"
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#include "nsIDOMNode.h"
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#include "nsIDOMText.h"
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#include "nsIDOMElement.h"
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#include "nsIDOMNodeList.h"
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#include "nsIDOMSelection.h"
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#include "nsIDOMRange.h"
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#include "nsIDOMCharacterData.h"
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#include "nsIEnumerator.h"
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#include "nsIStyleContext.h"
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#include "nsIPresShell.h"
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#include "nsLayoutCID.h"
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#include "nsEditorUtils.h"
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#include "InsertTextTxn.h"
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#include "DeleteTextTxn.h"
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//const static char* kMOZEditorBogusNodeAttr="MOZ_EDITOR_BOGUS_NODE";
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//const static char* kMOZEditorBogusNodeValue="TRUE";
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const static PRUnichar nbsp = 160;
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static NS_DEFINE_IID(kSubtreeIteratorCID, NS_SUBTREEITERATOR_CID);
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static NS_DEFINE_IID(kContentIteratorCID, NS_CONTENTITERATOR_CID);
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static NS_DEFINE_IID(kRangeCID, NS_RANGE_CID);
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enum
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{
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kLonely = 0,
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kPrevSib = 1,
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kNextSib = 2,
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kBothSibs = 3
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};
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nsresult
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NS_NewHTMLEditRules(nsIEditRules** aInstancePtrResult)
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{
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nsHTMLEditRules * rules = new nsHTMLEditRules();
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if (rules)
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return rules->QueryInterface(NS_GET_IID(nsIEditRules), (void**) aInstancePtrResult);
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return NS_ERROR_OUT_OF_MEMORY;
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}
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/********************************************************
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* Constructor/Destructor
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********************************************************/
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nsHTMLEditRules::nsHTMLEditRules() :
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mDocChangeRange(nsnull)
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,mListenerEnabled(PR_TRUE)
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,mUtilRange(nsnull)
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,mJoinOffset(0)
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{
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}
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nsHTMLEditRules::~nsHTMLEditRules()
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{
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// remove ourselves as a listener to edit actions
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// In the normal case, we have already been removed by
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// ~nsHTMLEditor, in which case we will get an error here
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// which we ignore. But this allows us to add the ability to
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// switch rule sets on the fly if we want.
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mEditor->RemoveEditActionListener(this);
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}
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/********************************************************
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* XPCOM Cruft
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********************************************************/
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NS_IMPL_ADDREF_INHERITED(nsHTMLEditRules, nsTextEditRules)
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NS_IMPL_RELEASE_INHERITED(nsHTMLEditRules, nsTextEditRules)
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NS_IMPL_QUERY_INTERFACE3(nsHTMLEditRules, nsIHTMLEditRules, nsIEditRules, nsIEditActionListener)
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/********************************************************
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* Public methods
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********************************************************/
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NS_IMETHODIMP
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nsHTMLEditRules::Init(nsHTMLEditor *aEditor, PRUint32 aFlags)
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{
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// call through to base class Init first
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nsresult res = nsTextEditRules::Init(aEditor, aFlags);
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if (NS_FAILED(res)) return res;
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// make a utility range for use by the listenter
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res = nsComponentManager::CreateInstance(kRangeCID, nsnull, NS_GET_IID(nsIDOMRange),
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getter_AddRefs(mUtilRange));
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if (NS_FAILED(res)) return res;
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// pass over document and add any needed mozBRs
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// first turn off undo
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mEditor->EnableUndo(PR_FALSE);
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// set up mDocChangeRange to be whole doc
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nsCOMPtr<nsIDOMElement> bodyElem;
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nsCOMPtr<nsIDOMNode> bodyNode;
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mEditor->GetRootElement(getter_AddRefs(bodyElem));
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bodyNode = do_QueryInterface(bodyElem);
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if (bodyNode)
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{
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// temporarily turn off rules sniffing
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nsAutoLockRulesSniffing lockIt((nsTextEditRules*)this);
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res = nsComponentManager::CreateInstance(kRangeCID, nsnull, NS_GET_IID(nsIDOMRange),
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getter_AddRefs(mDocChangeRange));
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if (NS_FAILED(res)) return res;
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if (!mDocChangeRange) return NS_ERROR_NULL_POINTER;
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mDocChangeRange->SelectNode(bodyNode);
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res = ReplaceNewlines(mDocChangeRange);
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if (NS_FAILED(res)) return res;
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res = AdjustSpecialBreaks();
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if (NS_FAILED(res)) return res;
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}
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// turn on undo
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mEditor->EnableUndo(PR_TRUE);
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// add ourselves as a listener to edit actions
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res = mEditor->AddEditActionListener(this);
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return res;
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}
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NS_IMETHODIMP
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nsHTMLEditRules::BeforeEdit(PRInt32 action, nsIEditor::EDirection aDirection)
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{
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if (mLockRulesSniffing) return NS_OK;
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nsAutoLockRulesSniffing lockIt((nsTextEditRules*)this);
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if (!mActionNesting)
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{
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mDocChangeRange = nsnull; // clear out our accounting of what changed
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// total hack to clear mUtilRange. This is because there is the
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// unposition call is not available thru nsIDOMRange.idl
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nsComponentManager::CreateInstance(kRangeCID, nsnull, NS_GET_IID(nsIDOMRange),
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getter_AddRefs(mUtilRange));
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// turn off caret
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nsCOMPtr<nsISelectionController> selCon;
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mEditor->GetSelectionController(getter_AddRefs(selCon));
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if (selCon) selCon->SetCaretEnabled(PR_FALSE);
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// check that selection is in subtree defined by body node
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ConfirmSelectionInBody();
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// let rules remember the top level action
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mTheAction = action;
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}
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mActionNesting++;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsHTMLEditRules::AfterEdit(PRInt32 action, nsIEditor::EDirection aDirection)
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{
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if (mLockRulesSniffing) return NS_OK;
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nsAutoLockRulesSniffing lockIt(this);
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NS_PRECONDITION(mActionNesting>0, "bad action nesting!");
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nsresult res = NS_OK;
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if (!--mActionNesting)
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{
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// do all the tricky stuff
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res = AfterEditInner(action, aDirection);
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// turn on caret
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nsCOMPtr<nsISelectionController> selCon;
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mEditor->GetSelectionController(getter_AddRefs(selCon));
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if (selCon) selCon->SetCaretEnabled(PR_TRUE);
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}
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return res;
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}
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nsresult
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nsHTMLEditRules::AfterEditInner(PRInt32 action, nsIEditor::EDirection aDirection)
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{
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ConfirmSelectionInBody();
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if (action == nsEditor::kOpIgnore) return NS_OK;
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nsCOMPtr<nsIDOMSelection>selection;
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nsresult res = mEditor->GetSelection(getter_AddRefs(selection));
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if (NS_FAILED(res)) return res;
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if (mDocChangeRange && !((action == nsEditor::kOpUndo) || (action == nsEditor::kOpRedo)))
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{
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// dont let any txns in here move the selection around behind our back.
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// Note that this won't prevent explicit selection setting from working.
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nsAutoTxnsConserveSelection dontSpazMySelection(mEditor);
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// expand the "changed doc range" as needed
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res = PromoteRange(mDocChangeRange, action);
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if (NS_FAILED(res)) return res;
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// add in any needed <br>s, and remove any unneeded ones.
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res = AdjustSpecialBreaks();
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if (NS_FAILED(res)) return res;
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// merge any adjacent text nodes
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if ( (action != nsEditor::kOpInsertText &&
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action != nsEditor::kOpInsertIMEText) )
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{
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res = mEditor->CollapseAdjacentTextNodes(mDocChangeRange);
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if (NS_FAILED(res)) return res;
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}
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// adjust whitespace for insert text and delete actions
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if ((action == nsEditor::kOpInsertText) ||
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(action == nsEditor::kOpInsertIMEText) ||
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(action == nsEditor::kOpDeleteSelection))
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{
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res = AdjustWhitespace(selection);
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if (NS_FAILED(res)) return res;
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}
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// replace newlines that are preformatted
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// MOOSE: This is buttUgly. A better way to
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// organize the action enum is in order.
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if ((action == nsEditor::kOpInsertText) ||
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(action == nsEditor::kOpInsertIMEText) ||
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(action == nsHTMLEditor::kOpInsertElement) ||
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(action == nsHTMLEditor::kOpInsertQuotation) ||
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(action == nsEditor::kOpInsertNode))
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{
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res = ReplaceNewlines(mDocChangeRange);
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}
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// clean up any empty nodes in the selection
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res = RemoveEmptyNodes();
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if (NS_FAILED(res)) return res;
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// adjust selection for insert text and delete actions
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if ((action == nsEditor::kOpInsertText) ||
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(action == nsEditor::kOpInsertIMEText) ||
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(action == nsEditor::kOpDeleteSelection))
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{
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res = AdjustSelection(selection, aDirection);
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if (NS_FAILED(res)) return res;
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}
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}
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// detect empty doc
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res = CreateBogusNodeIfNeeded(selection);
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return res;
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}
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NS_IMETHODIMP
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nsHTMLEditRules::WillDoAction(nsIDOMSelection *aSelection,
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nsRulesInfo *aInfo,
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PRBool *aCancel,
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PRBool *aHandled)
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{
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if (!aInfo || !aCancel || !aHandled)
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return NS_ERROR_NULL_POINTER;
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#if defined(DEBUG_ftang)
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printf("nsHTMLEditRules::WillDoAction action = %d\n", aInfo->action);
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#endif
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*aCancel = PR_FALSE;
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*aHandled = PR_FALSE;
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// my kingdom for dynamic cast
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nsTextRulesInfo *info = NS_STATIC_CAST(nsTextRulesInfo*, aInfo);
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switch (info->action)
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{
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case kInsertText:
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case kInsertTextIME:
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return WillInsertText(info->action,
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aSelection,
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aCancel,
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aHandled,
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info->inString,
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info->outString,
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info->maxLength);
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case kInsertBreak:
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return WillInsertBreak(aSelection, aCancel, aHandled);
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case kDeleteSelection:
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return WillDeleteSelection(aSelection, info->collapsedAction, aCancel, aHandled);
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case kMakeList:
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return WillMakeList(aSelection, info->blockType, aCancel, aHandled);
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case kIndent:
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return WillIndent(aSelection, aCancel, aHandled);
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case kOutdent:
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return WillOutdent(aSelection, aCancel, aHandled);
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case kAlign:
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return WillAlign(aSelection, info->alignType, aCancel, aHandled);
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case kMakeBasicBlock:
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return WillMakeBasicBlock(aSelection, info->blockType, aCancel, aHandled);
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case kRemoveList:
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return WillRemoveList(aSelection, info->bOrdered, aCancel, aHandled);
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case kMakeDefListItem:
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return WillMakeDefListItem(aSelection, info->blockType, aCancel, aHandled);
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case kInsertElement:
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return WillInsert(aSelection, aCancel);
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}
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return nsTextEditRules::WillDoAction(aSelection, aInfo, aCancel, aHandled);
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}
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NS_IMETHODIMP
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nsHTMLEditRules::DidDoAction(nsIDOMSelection *aSelection,
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nsRulesInfo *aInfo, nsresult aResult)
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{
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nsTextRulesInfo *info = NS_STATIC_CAST(nsTextRulesInfo*, aInfo);
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switch (info->action)
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{
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case kMakeBasicBlock:
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return DidMakeBasicBlock(aSelection, aInfo, aResult);
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}
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// default: pass thru to nsTextEditRules
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return nsTextEditRules::DidDoAction(aSelection, aInfo, aResult);
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}
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/********************************************************
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* nsIHTMLEditRules methods
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********************************************************/
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NS_IMETHODIMP
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nsHTMLEditRules::GetListState(PRBool &aMixed, PRBool &aOL, PRBool &aUL, PRBool &aDL)
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{
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aMixed = PR_FALSE;
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aOL = PR_FALSE;
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aUL = PR_FALSE;
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aDL = PR_FALSE;
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PRBool bNonList = PR_FALSE;
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nsCOMPtr<nsISupportsArray> arrayOfNodes;
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nsresult res = GetListActionNodes(&arrayOfNodes, PR_TRUE);
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if (NS_FAILED(res)) return res;
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// examine list type for nodes in selection
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PRUint32 listCount;
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PRInt32 i;
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arrayOfNodes->Count(&listCount);
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for (i=(PRInt32)listCount-1; i>=0; i--)
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{
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nsCOMPtr<nsISupports> isupports = (dont_AddRef)(arrayOfNodes->ElementAt(i));
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nsCOMPtr<nsIDOMNode> curNode( do_QueryInterface(isupports) );
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if (mEditor->NodeIsType(curNode,nsIEditProperty::ul))
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aUL = PR_TRUE;
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else if (mEditor->NodeIsType(curNode,nsIEditProperty::ol))
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aOL = PR_TRUE;
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else if (mEditor->NodeIsType(curNode,nsIEditProperty::li))
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{
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nsCOMPtr<nsIDOMNode> parent;
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PRInt32 offset;
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res = nsEditor::GetNodeLocation(curNode, &parent, &offset);
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if (NS_FAILED(res)) return res;
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if (nsHTMLEditUtils::IsUnorderedList(parent))
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aUL = PR_TRUE;
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else if (nsHTMLEditUtils::IsOrderedList(parent))
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aOL = PR_TRUE;
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}
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else if (mEditor->NodeIsType(curNode,nsIEditProperty::dl) ||
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mEditor->NodeIsType(curNode,nsIEditProperty::dt) ||
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mEditor->NodeIsType(curNode,nsIEditProperty::dd) )
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{
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aDL = PR_TRUE;
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}
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else bNonList = PR_TRUE;
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}
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// hokey arithmetic with booleans
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if ( (aUL + aOL + aDL + bNonList) > 1) aMixed = PR_TRUE;
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return res;
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}
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NS_IMETHODIMP
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nsHTMLEditRules::GetListItemState(PRBool &aMixed, PRBool &aLI, PRBool &aDT, PRBool &aDD)
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{
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aMixed = PR_FALSE;
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aLI = PR_FALSE;
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aDT = PR_FALSE;
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aDD = PR_FALSE;
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PRBool bNonList = PR_FALSE;
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nsCOMPtr<nsISupportsArray> arrayOfNodes;
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nsresult res = GetListActionNodes(&arrayOfNodes, PR_TRUE);
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if (NS_FAILED(res)) return res;
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// examine list type for nodes in selection
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PRUint32 listCount;
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PRInt32 i;
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arrayOfNodes->Count(&listCount);
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for (i=(PRInt32)listCount-1; i>=0; i--)
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{
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nsCOMPtr<nsISupports> isupports = (dont_AddRef)(arrayOfNodes->ElementAt(i));
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nsCOMPtr<nsIDOMNode> curNode( do_QueryInterface(isupports) );
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if (mEditor->NodeIsType(curNode,nsIEditProperty::ul) ||
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mEditor->NodeIsType(curNode,nsIEditProperty::ol) ||
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mEditor->NodeIsType(curNode,nsIEditProperty::li) )
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{
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aLI = PR_TRUE;
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}
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else if (mEditor->NodeIsType(curNode,nsIEditProperty::dt))
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{
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aDT = PR_TRUE;
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}
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else if (mEditor->NodeIsType(curNode,nsIEditProperty::dd))
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{
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aDD = PR_TRUE;
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}
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else if (mEditor->NodeIsType(curNode,nsIEditProperty::dl))
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{
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// need to look inside dl and see which types of items it has
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PRBool bDT, bDD;
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res = GetDefinitionListItemTypes(curNode, bDT, bDD);
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if (NS_FAILED(res)) return res;
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aDT |= bDT;
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aDD |= bDD;
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}
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else bNonList = PR_TRUE;
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}
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// hokey arithmetic with booleans
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if ( (aDT + aDD + bNonList) > 1) aMixed = PR_TRUE;
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return res;
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}
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NS_IMETHODIMP
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nsHTMLEditRules::GetIndentState(PRBool &aCanIndent, PRBool &aCanOutdent)
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{
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aCanIndent = PR_TRUE;
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aCanOutdent = PR_FALSE;
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nsCOMPtr<nsISupportsArray> arrayOfNodes;
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nsresult res = GetListActionNodes(&arrayOfNodes, PR_TRUE);
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if (NS_FAILED(res)) return res;
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// examine nodes in selection for blockquotes or list elements;
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// these we can outdent. Note that we return true for canOutdent
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// if *any* of the selection is outdentable, rather than all of it.
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PRUint32 listCount;
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PRInt32 i;
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arrayOfNodes->Count(&listCount);
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for (i=(PRInt32)listCount-1; i>=0; i--)
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{
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nsCOMPtr<nsISupports> isupports = (dont_AddRef)(arrayOfNodes->ElementAt(i));
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nsCOMPtr<nsIDOMNode> curNode( do_QueryInterface(isupports) );
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if (nsHTMLEditUtils::IsList(curNode) ||
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nsHTMLEditUtils::IsListItem(curNode) ||
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nsHTMLEditUtils::IsBlockquote(curNode))
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{
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aCanOutdent = PR_TRUE;
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break;
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}
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}
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return res;
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}
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NS_IMETHODIMP
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nsHTMLEditRules::GetParagraphState(PRBool &aMixed, nsString &outFormat)
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{
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// This routine is *heavily* tied to our ui choices in the paragraph
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// style popup. I cant see a way around that.
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aMixed = PR_TRUE;
|
|
outFormat.AssignWithConversion("");
|
|
|
|
PRBool bMixed = PR_FALSE;
|
|
nsAutoString formatStr;
|
|
// using "x" as anuninitialized value, since "" is meaningful
|
|
formatStr.AssignWithConversion("x");
|
|
|
|
nsCOMPtr<nsISupportsArray> arrayOfNodes;
|
|
nsresult res = GetParagraphFormatNodes(&arrayOfNodes, PR_TRUE);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// loop through the nodes in selection and examine their paragraph format
|
|
PRUint32 listCount;
|
|
PRInt32 i;
|
|
arrayOfNodes->Count(&listCount);
|
|
for (i=(PRInt32)listCount-1; i>=0; i--)
|
|
{
|
|
nsCOMPtr<nsISupports> isupports = (dont_AddRef)(arrayOfNodes->ElementAt(i));
|
|
nsCOMPtr<nsIDOMNode> curNode( do_QueryInterface(isupports) );
|
|
|
|
nsAutoString format;
|
|
nsCOMPtr<nsIAtom> atom = mEditor->GetTag(curNode);
|
|
|
|
if (mEditor->IsInlineNode(curNode))
|
|
format.AssignWithConversion("");
|
|
else if (nsHTMLEditUtils::IsHeader(curNode))
|
|
{
|
|
nsAutoString tag;
|
|
nsEditor::GetTagString(curNode,tag);
|
|
format = tag;
|
|
}
|
|
else if (nsIEditProperty::p == atom.get() ||
|
|
nsIEditProperty::blockquote == atom.get() ||
|
|
nsIEditProperty::address == atom.get() ||
|
|
nsIEditProperty::pre == atom.get() ||
|
|
nsIEditProperty::dt == atom.get() ||
|
|
nsIEditProperty::dd == atom.get() )
|
|
{
|
|
atom->ToString(format);
|
|
}
|
|
|
|
// if this is the first node, we've found, remember it as the format
|
|
if (formatStr.EqualsWithConversion("x"))
|
|
formatStr = format;
|
|
// else make sure it matches previously found format
|
|
else if (format != formatStr)
|
|
{
|
|
bMixed = PR_TRUE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
aMixed = bMixed;
|
|
outFormat = formatStr;
|
|
return res;
|
|
}
|
|
|
|
|
|
/********************************************************
|
|
* Protected rules methods
|
|
********************************************************/
|
|
|
|
nsresult
|
|
nsHTMLEditRules::WillInsert(nsIDOMSelection *aSelection, PRBool *aCancel)
|
|
{
|
|
nsresult res = nsTextEditRules::WillInsert(aSelection, aCancel);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// we need to get the doc
|
|
nsCOMPtr<nsIDOMDocument>doc;
|
|
res = mEditor->GetDocument(getter_AddRefs(doc));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!doc) return NS_ERROR_NULL_POINTER;
|
|
|
|
// for every property that is set, insert a new inline style node
|
|
res = CreateStyleForInsertText(aSelection, doc);
|
|
return res;
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLEditRules::DidInsert(nsIDOMSelection *aSelection, nsresult aResult)
|
|
{
|
|
return nsTextEditRules::DidInsert(aSelection, aResult);
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLEditRules::WillInsertText(PRInt32 aAction,
|
|
nsIDOMSelection *aSelection,
|
|
PRBool *aCancel,
|
|
PRBool *aHandled,
|
|
const nsString *inString,
|
|
nsString *outString,
|
|
PRInt32 aMaxLength)
|
|
{
|
|
if (!aSelection || !aCancel || !aHandled) { return NS_ERROR_NULL_POINTER; }
|
|
|
|
if (inString->IsEmpty() && (aAction != kInsertTextIME))
|
|
{
|
|
// HACK: this is a fix for bug 19395
|
|
// I can't outlaw all empty insertions
|
|
// because IME transaction depend on them
|
|
// There is more work to do to make the
|
|
// world safe for IME.
|
|
*aCancel = PR_TRUE;
|
|
*aHandled = PR_FALSE;
|
|
return NS_OK;
|
|
}
|
|
|
|
// initialize out param
|
|
*aCancel = PR_FALSE;
|
|
*aHandled = PR_TRUE;
|
|
nsresult res;
|
|
nsCOMPtr<nsIDOMNode> selNode;
|
|
PRInt32 selOffset;
|
|
|
|
// if the selection isn't collapsed, delete it.
|
|
PRBool bCollapsed;
|
|
res = aSelection->GetIsCollapsed(&bCollapsed);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!bCollapsed)
|
|
{
|
|
res = mEditor->DeleteSelection(nsIEditor::eNone);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
|
|
res = WillInsert(aSelection, aCancel);
|
|
if (NS_FAILED(res)) return res;
|
|
// initialize out param
|
|
// we want to ignore result of WillInsert()
|
|
*aCancel = PR_FALSE;
|
|
|
|
// get the (collapsed) selection location
|
|
res = mEditor->GetStartNodeAndOffset(aSelection, &selNode, &selOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// dont put text in places that cant have it
|
|
nsAutoString textTag; textTag.AssignWithConversion("__moz_text");
|
|
if (!mEditor->IsTextNode(selNode) && !mEditor->CanContainTag(selNode, textTag))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// we need to get the doc
|
|
nsCOMPtr<nsIDOMDocument>doc;
|
|
res = mEditor->GetDocument(getter_AddRefs(doc));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!doc) return NS_ERROR_NULL_POINTER;
|
|
|
|
if (aAction == kInsertTextIME)
|
|
{
|
|
res = mEditor->InsertTextImpl(*inString, &selNode, &selOffset, doc);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
else // aAction == kInsertText
|
|
{
|
|
// find where we are
|
|
nsCOMPtr<nsIDOMNode> curNode = selNode;
|
|
PRInt32 curOffset = selOffset;
|
|
|
|
// is our text going to be PREformatted?
|
|
// We remember this so that we know how to handle tabs.
|
|
PRBool isPRE;
|
|
res = mEditor->IsPreformatted(selNode, &isPRE);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// turn off the edit listener: we know how to
|
|
// build the "doc changed range" ourselves, and it's
|
|
// must faster to do it once here than to track all
|
|
// the changes one at a time.
|
|
nsAutoLockListener lockit(&mListenerEnabled);
|
|
|
|
// dont spaz my selection in subtransactions
|
|
nsAutoTxnsConserveSelection dontSpazMySelection(mEditor);
|
|
nsSubsumeStr subStr;
|
|
const PRUnichar *unicodeBuf = inString->GetUnicode();
|
|
nsCOMPtr<nsIDOMNode> unused;
|
|
PRInt32 pos = 0;
|
|
|
|
// for efficiency, break out the pre case seperately. This is because
|
|
// its a lot cheaper to search the input string for only newlines than
|
|
// it is to search for both tabs and newlines.
|
|
if (isPRE)
|
|
{
|
|
char newlineChar = '\n';
|
|
while (unicodeBuf && (pos != -1) && (pos < (PRInt32)inString->Length()))
|
|
{
|
|
PRInt32 oldPos = pos;
|
|
PRInt32 subStrLen;
|
|
pos = inString->FindChar(newlineChar, PR_FALSE, oldPos);
|
|
|
|
if (pos != -1)
|
|
{
|
|
subStrLen = pos - oldPos;
|
|
// if first char is newline, then use just it
|
|
if (subStrLen == 0)
|
|
subStrLen = 1;
|
|
}
|
|
else
|
|
{
|
|
subStrLen = inString->Length() - oldPos;
|
|
pos = inString->Length();
|
|
}
|
|
|
|
subStr.Subsume((PRUnichar*)&unicodeBuf[oldPos], PR_FALSE, subStrLen);
|
|
|
|
// is it a return?
|
|
if (subStr.EqualsWithConversion("\n"))
|
|
{
|
|
res = mEditor->CreateBRImpl(&curNode, &curOffset, &unused, nsIEditor::eNone);
|
|
pos++;
|
|
}
|
|
else
|
|
{
|
|
res = mEditor->InsertTextImpl(subStr, &curNode, &curOffset, doc);
|
|
}
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
char specialChars[] = {'\t','\n',0};
|
|
nsAutoString tabString; tabString.AssignWithConversion(" ");
|
|
while (unicodeBuf && (pos != -1) && (pos < (PRInt32)inString->Length()))
|
|
{
|
|
PRInt32 oldPos = pos;
|
|
PRInt32 subStrLen;
|
|
pos = inString->FindCharInSet(specialChars, oldPos);
|
|
|
|
if (pos != -1)
|
|
{
|
|
subStrLen = pos - oldPos;
|
|
// if first char is newline, then use just it
|
|
if (subStrLen == 0)
|
|
subStrLen = 1;
|
|
}
|
|
else
|
|
{
|
|
subStrLen = inString->Length() - oldPos;
|
|
pos = inString->Length();
|
|
}
|
|
|
|
subStr.Subsume((PRUnichar*)&unicodeBuf[oldPos], PR_FALSE, subStrLen);
|
|
|
|
// is it a tab?
|
|
if (subStr.EqualsWithConversion("\t"))
|
|
{
|
|
res = mEditor->InsertTextImpl(tabString, &curNode, &curOffset, doc);
|
|
pos++;
|
|
}
|
|
// is it a return?
|
|
else if (subStr.EqualsWithConversion("\n"))
|
|
{
|
|
res = mEditor->CreateBRImpl(&curNode, &curOffset, &unused, nsIEditor::eNone);
|
|
pos++;
|
|
}
|
|
else
|
|
{
|
|
res = mEditor->InsertTextImpl(subStr, &curNode, &curOffset, doc);
|
|
}
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
if (curNode) aSelection->Collapse(curNode, curOffset);
|
|
// manually update the doc changed range so that AfterEdit will clean up
|
|
// the correct portion of the document.
|
|
if (!mDocChangeRange)
|
|
{
|
|
res = nsComponentManager::CreateInstance(kRangeCID, nsnull, NS_GET_IID(nsIDOMRange),
|
|
getter_AddRefs(mDocChangeRange));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!mDocChangeRange) return NS_ERROR_NULL_POINTER;
|
|
}
|
|
res = mDocChangeRange->SetStart(selNode, selOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mDocChangeRange->SetEnd(curNode, curOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLEditRules::WillInsertBreak(nsIDOMSelection *aSelection, PRBool *aCancel, PRBool *aHandled)
|
|
{
|
|
if (!aSelection || !aCancel || !aHandled) { return NS_ERROR_NULL_POINTER; }
|
|
// initialize out param
|
|
*aCancel = PR_FALSE;
|
|
*aHandled = PR_FALSE;
|
|
|
|
|
|
// if the selection isn't collapsed, delete it.
|
|
PRBool bCollapsed;
|
|
nsresult res = aSelection->GetIsCollapsed(&bCollapsed);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!bCollapsed)
|
|
{
|
|
res = mEditor->DeleteSelection(nsIEditor::eNone);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
|
|
res = WillInsert(aSelection, aCancel);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// initialize out param
|
|
// we want to ignore result of WillInsert()
|
|
*aCancel = PR_FALSE;
|
|
|
|
|
|
// split any mailcites in the way
|
|
if (mFlags & nsIHTMLEditor::eEditorMailMask)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> citeNode, selNode;
|
|
PRInt32 selOffset, newOffset;
|
|
res = mEditor->GetStartNodeAndOffset(aSelection, &selNode, &selOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = GetTopEnclosingMailCite(selNode, &citeNode);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
if (citeNode)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> brNode;
|
|
res = mEditor->SplitNodeDeep(citeNode, selNode, selOffset, &newOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = citeNode->GetParentNode(getter_AddRefs(selNode));
|
|
if (NS_FAILED(res)) return res;
|
|
res = mEditor->CreateBR(selNode, newOffset, &brNode);
|
|
if (NS_FAILED(res)) return res;
|
|
// want selection before the break, and on same line
|
|
aSelection->SetHint(PR_TRUE);
|
|
res = aSelection->Collapse(selNode, newOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
*aHandled = PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
}
|
|
|
|
// smart splitting rules
|
|
nsCOMPtr<nsIDOMNode> node;
|
|
PRInt32 offset;
|
|
|
|
res = mEditor->GetStartNodeAndOffset(aSelection, &node, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!node) return NS_ERROR_FAILURE;
|
|
|
|
// identify the block
|
|
nsCOMPtr<nsIDOMNode> blockParent;
|
|
|
|
if (nsEditor::IsBlockNode(node))
|
|
blockParent = node;
|
|
else
|
|
blockParent = mEditor->GetBlockNodeParent(node);
|
|
|
|
if (!blockParent) return NS_ERROR_FAILURE;
|
|
|
|
// headers: close (or split) header
|
|
else if (nsHTMLEditUtils::IsHeader(blockParent))
|
|
{
|
|
res = ReturnInHeader(aSelection, blockParent, node, offset);
|
|
*aHandled = PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
|
|
// paragraphs: special rules to look for <br>s
|
|
else if (nsHTMLEditUtils::IsParagraph(blockParent))
|
|
{
|
|
res = ReturnInParagraph(aSelection, blockParent, node, offset, aCancel, aHandled);
|
|
return NS_OK;
|
|
}
|
|
|
|
// list items: special rules to make new list items
|
|
else if (nsHTMLEditUtils::IsListItem(blockParent))
|
|
{
|
|
res = ReturnInListItem(aSelection, blockParent, node, offset);
|
|
*aHandled = PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
// its something else (body, div, td, ...): insert a normal br
|
|
else
|
|
{
|
|
nsCOMPtr<nsIDOMNode> brNode;
|
|
res = mEditor->CreateBR(node, offset, &brNode);
|
|
if (NS_FAILED(res)) return res;
|
|
res = nsEditor::GetNodeLocation(brNode, &node, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
// SetHint(PR_TRUE) means we want the caret to stick to the content on the "right".
|
|
// We want the caret to stick to whatever is past the break. This is
|
|
// because the break is on the same line we were on, but the next content
|
|
// will be on the following line.
|
|
|
|
// An exception to this is if the break has a next sibling that is a block node.
|
|
// Then we stick to the left to aviod an uber caret.
|
|
nsCOMPtr<nsIDOMNode> siblingNode;
|
|
brNode->GetNextSibling(getter_AddRefs(siblingNode));
|
|
if (siblingNode && mEditor->IsBlockNode(siblingNode))
|
|
aSelection->SetHint(PR_FALSE);
|
|
else
|
|
aSelection->SetHint(PR_TRUE);
|
|
res = aSelection->Collapse(node, offset+1);
|
|
if (NS_FAILED(res)) return res;
|
|
*aHandled = PR_TRUE;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
|
|
|
|
nsresult
|
|
nsHTMLEditRules::WillDeleteSelection(nsIDOMSelection *aSelection,
|
|
nsIEditor::EDirection aAction,
|
|
PRBool *aCancel,
|
|
PRBool *aHandled)
|
|
{
|
|
if (!aSelection || !aCancel || !aHandled) { return NS_ERROR_NULL_POINTER; }
|
|
// initialize out param
|
|
*aCancel = PR_FALSE;
|
|
*aHandled = PR_FALSE;
|
|
|
|
// if there is only bogus content, cancel the operation
|
|
if (mBogusNode)
|
|
{
|
|
*aCancel = PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult res = NS_OK;
|
|
|
|
PRBool bCollapsed;
|
|
res = aSelection->GetIsCollapsed(&bCollapsed);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
nsCOMPtr<nsIDOMNode> node, selNode;
|
|
PRInt32 offset, selOffset;
|
|
|
|
res = mEditor->GetStartNodeAndOffset(aSelection, &node, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!node) return NS_ERROR_FAILURE;
|
|
|
|
if (bCollapsed)
|
|
{
|
|
// easy case, in a text node:
|
|
if (mEditor->IsTextNode(node))
|
|
{
|
|
nsCOMPtr<nsIDOMText> textNode = do_QueryInterface(node);
|
|
PRUint32 strLength;
|
|
res = textNode->GetLength(&strLength);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// at beginning of text node and backspaced?
|
|
if (!offset && (aAction == nsIEditor::ePrevious))
|
|
{
|
|
nsCOMPtr<nsIDOMNode> priorNode;
|
|
res = mEditor->GetPriorHTMLNode(node, &priorNode);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// if there is no prior node then cancel the deletion
|
|
if (!priorNode)
|
|
{
|
|
*aCancel = PR_TRUE;
|
|
return res;
|
|
}
|
|
|
|
// block parents the same?
|
|
if (mEditor->HasSameBlockNodeParent(node, priorNode))
|
|
{
|
|
// is prior node not a container? (ie, a br, hr, image...)
|
|
if (!mEditor->IsContainer(priorNode)) // MOOSE: anchors not handled
|
|
{
|
|
// delete the break, and join like nodes if appropriate
|
|
res = mEditor->DeleteNode(priorNode);
|
|
if (NS_FAILED(res)) return res;
|
|
// we did something, so lets say so.
|
|
*aHandled = PR_TRUE;
|
|
// get new prior node
|
|
res = mEditor->GetPriorHTMLNode(node, &priorNode);
|
|
if (NS_FAILED(res)) return res;
|
|
// are they in same block?
|
|
if (mEditor->HasSameBlockNodeParent(node, priorNode))
|
|
{
|
|
// are they same type?
|
|
if (mEditor->IsTextNode(priorNode))
|
|
{
|
|
// if so, join them!
|
|
nsCOMPtr<nsIDOMNode> topParent;
|
|
priorNode->GetParentNode(getter_AddRefs(topParent));
|
|
res = JoinNodesSmart(priorNode,node,&selNode,&selOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
// fix up selection
|
|
res = aSelection->Collapse(selNode,selOffset);
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
// is prior node a text node?
|
|
else if ( mEditor->IsTextNode(priorNode) )
|
|
{
|
|
// delete last character
|
|
nsCOMPtr<nsIDOMCharacterData>nodeAsText;
|
|
nodeAsText = do_QueryInterface(priorNode);
|
|
nodeAsText->GetLength((PRUint32*)&offset);
|
|
res = aSelection->Collapse(priorNode,offset);
|
|
// just return without setting handled to true.
|
|
// default code will take care of actual deletion
|
|
return res;
|
|
}
|
|
else if ( mEditor->IsInlineNode(priorNode) )
|
|
{
|
|
// remember where we are
|
|
res = mEditor->GetNodeLocation(priorNode, &node, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
// delete it
|
|
res = mEditor->DeleteNode(priorNode);
|
|
if (NS_FAILED(res)) return res;
|
|
// we did something, so lets say so.
|
|
*aHandled = PR_TRUE;
|
|
// fix up selection
|
|
res = aSelection->Collapse(node,offset);
|
|
return res;
|
|
}
|
|
else return NS_OK; // punt to default
|
|
}
|
|
|
|
// deleting across blocks
|
|
nsCOMPtr<nsIDOMNode> leftParent = mEditor->GetBlockNodeParent(priorNode);
|
|
nsCOMPtr<nsIDOMNode> rightParent = mEditor->GetBlockNodeParent(node);
|
|
|
|
// if leftParent or rightParent is null, it's because the
|
|
// corresponding selection endpoint is in the body node.
|
|
if (!leftParent || !rightParent)
|
|
return NS_OK; // bail to default
|
|
|
|
// do not delete across table structures
|
|
if (mEditor->IsTableElement(leftParent) || mEditor->IsTableElement(rightParent))
|
|
{
|
|
*aCancel = PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
|
|
// are the blocks of same type?
|
|
if (mEditor->NodesSameType(leftParent, rightParent))
|
|
{
|
|
nsCOMPtr<nsIDOMNode> topParent;
|
|
leftParent->GetParentNode(getter_AddRefs(topParent));
|
|
|
|
*aHandled = PR_TRUE;
|
|
res = JoinNodesSmart(leftParent,rightParent,&selNode,&selOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
// fix up selection
|
|
res = aSelection->Collapse(selNode,selOffset);
|
|
return res;
|
|
}
|
|
|
|
// else blocks not same type, bail to default
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
// at end of text node and deleted?
|
|
if ((offset == (PRInt32)strLength)
|
|
&& (aAction == nsIEditor::eNext))
|
|
{
|
|
nsCOMPtr<nsIDOMNode> nextNode;
|
|
res = mEditor->GetNextHTMLNode(node, &nextNode);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// if there is no next node, or it's not in the body, then cancel the deletion
|
|
if (!nextNode || !nsHTMLEditUtils::InBody(nextNode, mEditor))
|
|
{
|
|
*aCancel = PR_TRUE;
|
|
return res;
|
|
}
|
|
|
|
// block parents the same?
|
|
if (mEditor->HasSameBlockNodeParent(node, nextNode))
|
|
{
|
|
// is next node not a container? (ie, a br, hr, image...)
|
|
if (!mEditor->IsContainer(nextNode)) // MOOSE: anchors not handled
|
|
{
|
|
// delete the break, and join like nodes if appropriate
|
|
res = mEditor->DeleteNode(nextNode);
|
|
if (NS_FAILED(res)) return res;
|
|
// we did something, so lets say so.
|
|
*aHandled = PR_TRUE;
|
|
// get new next node
|
|
res = mEditor->GetNextHTMLNode(node, &nextNode);
|
|
if (NS_FAILED(res)) return res;
|
|
// are they in same block?
|
|
if (mEditor->HasSameBlockNodeParent(node, nextNode))
|
|
{
|
|
// are they same type?
|
|
if ( mEditor->IsTextNode(nextNode) )
|
|
{
|
|
// if so, join them!
|
|
nsCOMPtr<nsIDOMNode> topParent;
|
|
nextNode->GetParentNode(getter_AddRefs(topParent));
|
|
res = JoinNodesSmart(node,nextNode,&selNode,&selOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
// fix up selection
|
|
res = aSelection->Collapse(selNode,selOffset);
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
// is next node a text node?
|
|
else if ( mEditor->IsTextNode(nextNode) )
|
|
{
|
|
// delete first character
|
|
nsCOMPtr<nsIDOMCharacterData>nodeAsText;
|
|
nodeAsText = do_QueryInterface(nextNode);
|
|
res = aSelection->Collapse(nextNode,0);
|
|
// just return without setting handled to true.
|
|
// default code will take care of actual deletion
|
|
return res;
|
|
}
|
|
else if ( mEditor->IsInlineNode(nextNode) )
|
|
{
|
|
// remember where we are
|
|
res = mEditor->GetNodeLocation(nextNode, &node, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
// delete it
|
|
res = mEditor->DeleteNode(nextNode);
|
|
if (NS_FAILED(res)) return res;
|
|
// we did something, so lets say so.
|
|
*aHandled = PR_TRUE;
|
|
// fix up selection
|
|
res = aSelection->Collapse(node,offset);
|
|
return res;
|
|
}
|
|
else return NS_OK; // punt to default
|
|
}
|
|
|
|
// deleting across blocks
|
|
nsCOMPtr<nsIDOMNode> leftParent = mEditor->GetBlockNodeParent(node);
|
|
nsCOMPtr<nsIDOMNode> rightParent = mEditor->GetBlockNodeParent(nextNode);
|
|
|
|
// if leftParent or rightParent is null, it's because the
|
|
// corresponding selection endpoint is in the body node.
|
|
if (!leftParent || !rightParent)
|
|
return NS_OK; // bail to default
|
|
|
|
// do not delete across table structures
|
|
if (mEditor->IsTableElement(leftParent) || mEditor->IsTableElement(rightParent))
|
|
{
|
|
*aCancel = PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
|
|
// are the blocks of same type?
|
|
if (mEditor->NodesSameType(leftParent, rightParent))
|
|
{
|
|
nsCOMPtr<nsIDOMNode> topParent;
|
|
leftParent->GetParentNode(getter_AddRefs(topParent));
|
|
|
|
*aHandled = PR_TRUE;
|
|
res = JoinNodesSmart(leftParent,rightParent,&selNode,&selOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
// fix up selection
|
|
res = aSelection->Collapse(selNode,selOffset);
|
|
return res;
|
|
}
|
|
|
|
// else blocks not same type, bail to default
|
|
return NS_OK;
|
|
|
|
}
|
|
}
|
|
// else not in text node; we need to find right place to act on
|
|
else
|
|
{
|
|
nsCOMPtr<nsIDOMNode> nodeToDelete;
|
|
|
|
// first note that the right node to delete might be the one we
|
|
// are in. For example, if a list item is deleted one character at a time,
|
|
// eventually it will be empty (except for a moz-br). If the user hits
|
|
// backspace again, they expect the item itself to go away. Check to
|
|
// see if we are in an "empty" node.
|
|
// Note: do NOT delete table elements this way.
|
|
PRBool bIsEmptyNode;
|
|
res = IsEmptyNode(node, &bIsEmptyNode, PR_TRUE, PR_FALSE);
|
|
if (bIsEmptyNode && !mEditor->IsTableElement(node))
|
|
nodeToDelete = node;
|
|
else
|
|
{
|
|
// see if we are on empty lineand need to delete it. This is true
|
|
// when a break is after a block and we are deleting backwards; or
|
|
// when a break is before a block and we are delting forwards. In
|
|
// these cases, we want to delete the break when we are between it
|
|
// and the block element, even though the break is on the "wrong"
|
|
// side of us.
|
|
nsCOMPtr<nsIDOMNode> maybeBreak;
|
|
nsCOMPtr<nsIDOMNode> maybeBlock;
|
|
|
|
if (aAction == nsIEditor::ePrevious)
|
|
{
|
|
res = mEditor->GetPriorHTMLSibling(node, offset, &maybeBlock);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mEditor->GetNextHTMLSibling(node, offset, &maybeBreak);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
else if (aAction == nsIEditor::eNext)
|
|
{
|
|
res = mEditor->GetPriorHTMLSibling(node, offset, &maybeBreak);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mEditor->GetNextHTMLSibling(node, offset, &maybeBlock);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
|
|
if (nsHTMLEditUtils::IsBreak(maybeBreak) && nsEditor::IsBlockNode(maybeBlock))
|
|
nodeToDelete = maybeBreak;
|
|
else if (aAction == nsIEditor::ePrevious)
|
|
res = mEditor->GetPriorHTMLNode(node, offset, &nodeToDelete);
|
|
else if (aAction == nsIEditor::eNext)
|
|
res = mEditor->GetNextHTMLNode(node, offset, &nodeToDelete);
|
|
else
|
|
return NS_OK;
|
|
}
|
|
|
|
if (NS_FAILED(res)) return res;
|
|
if (!nodeToDelete) return NS_ERROR_NULL_POINTER;
|
|
if (mBody == nodeToDelete)
|
|
{
|
|
*aCancel = PR_TRUE;
|
|
return res;
|
|
}
|
|
|
|
// if this node is text node, adjust selection
|
|
if (nsEditor::IsTextNode(nodeToDelete))
|
|
{
|
|
PRUint32 selPoint = 0;
|
|
nsCOMPtr<nsIDOMCharacterData>nodeAsText;
|
|
nodeAsText = do_QueryInterface(nodeToDelete);
|
|
if (aAction == nsIEditor::ePrevious)
|
|
nodeAsText->GetLength(&selPoint);
|
|
res = aSelection->Collapse(nodeToDelete,selPoint);
|
|
return res;
|
|
}
|
|
else
|
|
{
|
|
// editable leaf node is not text; delete it.
|
|
// that's the default behavior
|
|
res = nsEditor::GetNodeLocation(nodeToDelete, &node, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
// EXCEPTION: if it's a mozBR, we have to check and see if
|
|
// there is a br in front of it. If so, we must delete both.
|
|
// else you get this: deletion code deletes mozBR, then selection
|
|
// adjusting code puts it back in. doh
|
|
if (nsHTMLEditUtils::IsMozBR(nodeToDelete))
|
|
{
|
|
nsCOMPtr<nsIDOMNode> brNode;
|
|
res = mEditor->GetPriorHTMLNode(nodeToDelete, &brNode);
|
|
if (nsHTMLEditUtils::IsBreak(brNode))
|
|
{
|
|
// is brNode also a descendant of same block?
|
|
nsCOMPtr<nsIDOMNode> block, brBlock;
|
|
block = mEditor->GetBlockNodeParent(nodeToDelete);
|
|
brBlock = mEditor->GetBlockNodeParent(brNode);
|
|
if (block == brBlock)
|
|
{
|
|
// delete both breaks
|
|
res = mEditor->DeleteNode(brNode);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mEditor->DeleteNode(nodeToDelete);
|
|
*aHandled = PR_TRUE;
|
|
return res;
|
|
}
|
|
// else fall through
|
|
}
|
|
// else fall through
|
|
}
|
|
// adjust selection to be right after it
|
|
res = aSelection->Collapse(node, offset+1);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mEditor->DeleteNode(nodeToDelete);
|
|
*aHandled = PR_TRUE;
|
|
return res;
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
// else we have a non collapsed selection
|
|
// figure out if the enpoints are in nodes that can be merged
|
|
nsCOMPtr<nsIDOMNode> endNode;
|
|
PRInt32 endOffset;
|
|
res = mEditor->GetEndNodeAndOffset(aSelection, &endNode, &endOffset);
|
|
if (NS_FAILED(res))
|
|
{
|
|
return res;
|
|
}
|
|
if (endNode.get() != node.get())
|
|
{
|
|
// block parents the same? use default deletion
|
|
if (mEditor->HasSameBlockNodeParent(node, endNode)) return NS_OK;
|
|
|
|
// deleting across blocks
|
|
// are the blocks of same type?
|
|
nsCOMPtr<nsIDOMNode> leftParent;
|
|
nsCOMPtr<nsIDOMNode> rightParent;
|
|
|
|
// XXX: Fix for bug #10815: Crash deleting selected text and table.
|
|
// Make sure leftParent and rightParent are never NULL. This
|
|
// can happen if we call GetBlockNodeParent() and the node we
|
|
// pass in is a body node.
|
|
//
|
|
// Should we be calling IsBlockNode() instead of IsBody() here?
|
|
|
|
if (nsHTMLEditUtils::IsBody(node))
|
|
leftParent = node;
|
|
else
|
|
leftParent = mEditor->GetBlockNodeParent(node);
|
|
|
|
if (nsHTMLEditUtils::IsBody(endNode))
|
|
rightParent = endNode;
|
|
else
|
|
rightParent = mEditor->GetBlockNodeParent(endNode);
|
|
|
|
// do not delete across table structures
|
|
if (mEditor->IsTableElement(leftParent) || mEditor->IsTableElement(rightParent))
|
|
{
|
|
*aCancel = PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
|
|
// are the blocks siblings?
|
|
nsCOMPtr<nsIDOMNode> leftBlockParent;
|
|
nsCOMPtr<nsIDOMNode> rightBlockParent;
|
|
leftParent->GetParentNode(getter_AddRefs(leftBlockParent));
|
|
rightParent->GetParentNode(getter_AddRefs(rightBlockParent));
|
|
// bail to default if blocks aren't siblings
|
|
if (leftBlockParent.get() != rightBlockParent.get()) return NS_OK;
|
|
|
|
if (mEditor->NodesSameType(leftParent, rightParent))
|
|
{
|
|
nsCOMPtr<nsIDOMNode> topParent;
|
|
leftParent->GetParentNode(getter_AddRefs(topParent));
|
|
|
|
if (nsHTMLEditUtils::IsParagraph(leftParent))
|
|
{
|
|
// first delete the selection
|
|
*aHandled = PR_TRUE;
|
|
res = mEditor->DeleteSelectionImpl(aAction);
|
|
if (NS_FAILED(res)) return res;
|
|
// then join para's, insert break
|
|
res = mEditor->JoinNodeDeep(leftParent,rightParent,&selNode,&selOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
// fix up selection
|
|
res = aSelection->Collapse(selNode,selOffset);
|
|
return res;
|
|
}
|
|
if (nsHTMLEditUtils::IsListItem(leftParent)
|
|
|| nsHTMLEditUtils::IsHeader(leftParent))
|
|
{
|
|
// first delete the selection
|
|
*aHandled = PR_TRUE;
|
|
res = mEditor->DeleteSelectionImpl(aAction);
|
|
if (NS_FAILED(res)) return res;
|
|
// join blocks
|
|
res = mEditor->JoinNodeDeep(leftParent,rightParent,&selNode,&selOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
// fix up selection
|
|
res = aSelection->Collapse(selNode,selOffset);
|
|
return res;
|
|
}
|
|
}
|
|
|
|
// else blocks not same type, bail to default
|
|
return NS_OK;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsHTMLEditRules::WillMakeList(nsIDOMSelection *aSelection,
|
|
const nsString *aListType,
|
|
PRBool *aCancel,
|
|
PRBool *aHandled,
|
|
const nsString *aItemType)
|
|
{
|
|
if (!aSelection || !aListType || !aCancel || !aHandled) { return NS_ERROR_NULL_POINTER; }
|
|
|
|
nsresult res = WillInsert(aSelection, aCancel);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// initialize out param
|
|
// we want to ignore result of WillInsert()
|
|
*aCancel = PR_FALSE;
|
|
*aHandled = PR_FALSE;
|
|
|
|
// deduce what tag to use for list items
|
|
nsAutoString itemType;
|
|
if (aItemType)
|
|
itemType = *aItemType;
|
|
else if (aListType->EqualsWithConversion("dl"))
|
|
itemType.AssignWithConversion("dd");
|
|
else
|
|
itemType.AssignWithConversion("li");
|
|
|
|
PRBool outMakeEmpty;
|
|
res = ShouldMakeEmptyBlock(aSelection, aListType, &outMakeEmpty);
|
|
if (NS_FAILED(res)) return res;
|
|
if (outMakeEmpty)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> parent, theList, theListItem;
|
|
PRInt32 offset;
|
|
|
|
// get selection location
|
|
res = mEditor->GetStartNodeAndOffset(aSelection, &parent, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// make sure we can put a list here
|
|
res = SplitAsNeeded(aListType, &parent, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mEditor->CreateNode(*aListType, parent, offset, getter_AddRefs(theList));
|
|
if (NS_FAILED(res)) return res;
|
|
res = mEditor->CreateNode(itemType, theList, 0, getter_AddRefs(theListItem));
|
|
if (NS_FAILED(res)) return res;
|
|
// put selection in new list item
|
|
res = aSelection->Collapse(theListItem,0);
|
|
*aHandled = PR_TRUE;
|
|
return res;
|
|
}
|
|
|
|
// ok, we aren't creating a new empty list. Instead we are converting
|
|
// the set of blocks implied by the selection into a list.
|
|
|
|
// convert the selection ranges into "promoted" selection ranges:
|
|
// this basically just expands the range to include the immediate
|
|
// block parent, and then further expands to include any ancestors
|
|
// whose children are all in the range
|
|
|
|
*aHandled = PR_TRUE;
|
|
|
|
nsAutoSelectionReset selectionResetter(aSelection, mEditor);
|
|
|
|
nsCOMPtr<nsISupportsArray> arrayOfNodes;
|
|
res = GetListActionNodes(&arrayOfNodes);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// if there is only one node in the array, and it is a list, div, or blockquote,
|
|
// then look inside of it until we find what we want to make a list out of.
|
|
PRUint32 listCount;
|
|
arrayOfNodes->Count(&listCount);
|
|
if (listCount == 1)
|
|
{
|
|
nsCOMPtr<nsISupports> isupports = (dont_AddRef)(arrayOfNodes->ElementAt(0));
|
|
nsCOMPtr<nsIDOMNode> curNode( do_QueryInterface(isupports) );
|
|
|
|
while (nsHTMLEditUtils::IsDiv(curNode)
|
|
|| nsHTMLEditUtils::IsList(curNode)
|
|
|| nsHTMLEditUtils::IsBlockquote(curNode))
|
|
{
|
|
// dive as long as there is only one child, and it is a list, div, blockquote
|
|
PRUint32 numChildren;
|
|
res = mEditor->CountEditableChildren(curNode, numChildren);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
if (numChildren == 1)
|
|
{
|
|
// keep diving
|
|
nsCOMPtr <nsIDOMNode> tmpNode = nsEditor::GetChildAt(curNode, 0);
|
|
if (nsHTMLEditUtils::IsDiv(tmpNode)
|
|
|| nsHTMLEditUtils::IsList(tmpNode)
|
|
|| nsHTMLEditUtils::IsBlockquote(tmpNode))
|
|
{
|
|
// check editablility XXX floppy moose
|
|
curNode = tmpNode;
|
|
}
|
|
else break;
|
|
}
|
|
else break;
|
|
}
|
|
// we've found innermost list/blockquote/div:
|
|
// replace the one node in the array with this node
|
|
isupports = do_QueryInterface(curNode);
|
|
arrayOfNodes->ReplaceElementAt(isupports, 0);
|
|
}
|
|
|
|
// Next we detect all the transitions in the array, where a transition
|
|
// means that adjacent nodes in the array don't have the same parent.
|
|
|
|
nsVoidArray transitionList;
|
|
res = MakeTransitionList(arrayOfNodes, &transitionList);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// Ok, now go through all the nodes and put then in the list,
|
|
// or whatever is approriate. Wohoo!
|
|
|
|
arrayOfNodes->Count(&listCount);
|
|
nsCOMPtr<nsIDOMNode> curParent;
|
|
nsCOMPtr<nsIDOMNode> curList;
|
|
nsCOMPtr<nsIDOMNode> prevListItem;
|
|
|
|
PRInt32 i;
|
|
for (i=0; i<(PRInt32)listCount; i++)
|
|
{
|
|
// here's where we actually figure out what to do
|
|
nsCOMPtr<nsIDOMNode> newBlock;
|
|
nsCOMPtr<nsISupports> isupports = (dont_AddRef)(arrayOfNodes->ElementAt(i));
|
|
nsCOMPtr<nsIDOMNode> curNode( do_QueryInterface(isupports ) );
|
|
PRInt32 offset;
|
|
res = nsEditor::GetNodeLocation(curNode, &curParent, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// if curNode is a Break, delete it, and quit remembering prev list item
|
|
if (nsHTMLEditUtils::IsBreak(curNode))
|
|
{
|
|
res = mEditor->DeleteNode(curNode);
|
|
if (NS_FAILED(res)) return res;
|
|
prevListItem = 0;
|
|
continue;
|
|
}
|
|
// if curNode is an empty inline container, delete it
|
|
else if (mEditor->IsInlineNode(curNode) && mEditor->IsContainer(curNode))
|
|
{
|
|
PRBool bEmpty;
|
|
res = IsEmptyNode( curNode, &bEmpty);
|
|
if (NS_FAILED(res)) return res;
|
|
if (bEmpty)
|
|
{
|
|
res = mEditor->DeleteNode(curNode);
|
|
if (NS_FAILED(res)) return res;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if (nsHTMLEditUtils::IsList(curNode))
|
|
{
|
|
nsAutoString existingListStr;
|
|
res = mEditor->GetTagString(curNode, existingListStr);
|
|
// do we have a curList already?
|
|
if (curList && !nsHTMLEditUtils::IsDescendantOf(curNode, curList))
|
|
{
|
|
// move all of our children into curList.
|
|
// cheezy way to do it: move whole list and then
|
|
// RemoveContainer() on the list.
|
|
// ConvertListType first: that routine
|
|
// handles converting the list item types, if needed
|
|
res = mEditor->MoveNode(curNode, curList, -1);
|
|
if (NS_FAILED(res)) return res;
|
|
res = ConvertListType(curNode, &newBlock, *aListType, itemType);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mEditor->RemoveContainer(newBlock);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
else
|
|
{
|
|
// replace list with new list type
|
|
res = ConvertListType(curNode, &newBlock, *aListType, itemType);
|
|
if (NS_FAILED(res)) return res;
|
|
curList = newBlock;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
if (nsHTMLEditUtils::IsListItem(curNode))
|
|
{
|
|
nsAutoString existingListStr;
|
|
res = mEditor->GetTagString(curParent, existingListStr);
|
|
if ( existingListStr != *aListType )
|
|
{
|
|
// list item is in wrong type of list.
|
|
// if we dont have a curList, split the old list
|
|
// and make a new list of correct type.
|
|
if (!curList || nsHTMLEditUtils::IsDescendantOf(curNode, curList))
|
|
{
|
|
res = mEditor->SplitNode(curParent, offset, getter_AddRefs(newBlock));
|
|
if (NS_FAILED(res)) return res;
|
|
nsCOMPtr<nsIDOMNode> p;
|
|
PRInt32 o;
|
|
res = nsEditor::GetNodeLocation(curParent, &p, &o);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mEditor->CreateNode(*aListType, p, o, getter_AddRefs(curList));
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
// move list item to new list
|
|
res = mEditor->MoveNode(curNode, curList, -1);
|
|
if (NS_FAILED(res)) return res;
|
|
// convert list item type if needed
|
|
if (!mEditor->NodeIsType(curNode,itemType))
|
|
{
|
|
res = mEditor->ReplaceContainer(curNode, &newBlock, itemType);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// item is in right type of list. But we might still have to move it.
|
|
// and we might need to convert list item types.
|
|
if (!curList)
|
|
curList = curParent;
|
|
else
|
|
{
|
|
if (curParent != curList)
|
|
{
|
|
// move list item to new list
|
|
res = mEditor->MoveNode(curNode, curList, -1);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
if (!mEditor->NodeIsType(curNode,itemType))
|
|
{
|
|
res = mEditor->ReplaceContainer(curNode, &newBlock, itemType);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
continue;
|
|
}
|
|
|
|
// need to make a list to put things in if we haven't already,
|
|
// or if this node doesn't go in list we used earlier.
|
|
if (!curList) // || transitionList[i])
|
|
{
|
|
res = SplitAsNeeded(aListType, &curParent, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mEditor->CreateNode(*aListType, curParent, offset, getter_AddRefs(curList));
|
|
if (NS_FAILED(res)) return res;
|
|
// curList is now the correct thing to put curNode in
|
|
prevListItem = 0;
|
|
}
|
|
|
|
// if curNode isn't a list item, we must wrap it in one
|
|
nsCOMPtr<nsIDOMNode> listItem;
|
|
if (!nsHTMLEditUtils::IsListItem(curNode))
|
|
{
|
|
if (nsEditor::IsInlineNode(curNode) && prevListItem)
|
|
{
|
|
// this is a continuation of some inline nodes that belong together in
|
|
// the same list item. use prevListItem
|
|
PRUint32 listItemLen;
|
|
res = mEditor->GetLengthOfDOMNode(prevListItem, listItemLen);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mEditor->MoveNode(curNode, prevListItem, listItemLen);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
else
|
|
{
|
|
// don't wrap li around a paragraph. instead replace paragraph with li
|
|
if (nsHTMLEditUtils::IsParagraph(curNode))
|
|
{
|
|
res = mEditor->ReplaceContainer(curNode, &listItem, itemType);
|
|
}
|
|
else
|
|
{
|
|
res = mEditor->InsertContainerAbove(curNode, &listItem, itemType);
|
|
}
|
|
if (NS_FAILED(res)) return res;
|
|
if (nsEditor::IsInlineNode(curNode))
|
|
prevListItem = listItem;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
listItem = curNode;
|
|
}
|
|
|
|
if (listItem) // if we made a new list item, deal with it
|
|
{
|
|
// tuck the listItem into the end of the active list
|
|
PRUint32 listLen;
|
|
res = mEditor->GetLengthOfDOMNode(curList, listLen);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mEditor->MoveNode(listItem, curList, listLen);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsHTMLEditRules::WillRemoveList(nsIDOMSelection *aSelection,
|
|
PRBool aOrdered,
|
|
PRBool *aCancel,
|
|
PRBool *aHandled)
|
|
{
|
|
if (!aSelection || !aCancel || !aHandled) { return NS_ERROR_NULL_POINTER; }
|
|
// initialize out param
|
|
*aCancel = PR_FALSE;
|
|
*aHandled = PR_TRUE;
|
|
|
|
nsAutoSelectionReset selectionResetter(aSelection, mEditor);
|
|
|
|
nsCOMPtr<nsISupportsArray> arrayOfRanges;
|
|
nsresult res = GetPromotedRanges(aSelection, &arrayOfRanges, kMakeList);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// use these ranges to contruct a list of nodes to act on.
|
|
nsCOMPtr<nsISupportsArray> arrayOfNodes;
|
|
res = GetNodesForOperation(arrayOfRanges, &arrayOfNodes, kMakeList);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// Remove all non-editable nodes. Leave them be.
|
|
|
|
PRUint32 listCount;
|
|
PRInt32 i;
|
|
arrayOfNodes->Count(&listCount);
|
|
for (i=listCount-1; i>=0; i--)
|
|
{
|
|
nsCOMPtr<nsISupports> isupports = (dont_AddRef)(arrayOfNodes->ElementAt(i));
|
|
nsCOMPtr<nsIDOMNode> testNode( do_QueryInterface(isupports ) );
|
|
if (!mEditor->IsEditable(testNode))
|
|
{
|
|
arrayOfNodes->RemoveElementAt(i);
|
|
}
|
|
}
|
|
|
|
// Only act on lists or list items in the array
|
|
nsCOMPtr<nsIDOMNode> curParent;
|
|
for (i=0; i<(PRInt32)listCount; i++)
|
|
{
|
|
// here's where we actually figure out what to do
|
|
nsCOMPtr<nsISupports> isupports = (dont_AddRef)(arrayOfNodes->ElementAt(i));
|
|
nsCOMPtr<nsIDOMNode> curNode( do_QueryInterface(isupports ) );
|
|
PRInt32 offset;
|
|
res = nsEditor::GetNodeLocation(curNode, &curParent, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
if (nsHTMLEditUtils::IsListItem(curNode)) // unlist this listitem
|
|
{
|
|
PRBool bOutOfList;
|
|
do
|
|
{
|
|
res = PopListItem(curNode, &bOutOfList);
|
|
if (NS_FAILED(res)) return res;
|
|
} while (!bOutOfList); // keep popping it out until it's not in a list anymore
|
|
}
|
|
else if (nsHTMLEditUtils::IsList(curNode)) // node is a list, move list items out
|
|
{
|
|
nsCOMPtr<nsIDOMNode> child;
|
|
curNode->GetLastChild(getter_AddRefs(child));
|
|
|
|
while (child)
|
|
{
|
|
if (nsHTMLEditUtils::IsListItem(child))
|
|
{
|
|
PRBool bOutOfList;
|
|
do
|
|
{
|
|
res = PopListItem(child, &bOutOfList);
|
|
if (NS_FAILED(res)) return res;
|
|
} while (!bOutOfList); // keep popping it out until it's not in a list anymore
|
|
}
|
|
else
|
|
{
|
|
// delete any non- list items for now
|
|
res = mEditor->DeleteNode(child);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
curNode->GetLastChild(getter_AddRefs(child));
|
|
}
|
|
// delete the now-empty list
|
|
res = mEditor->DeleteNode(curNode);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsHTMLEditRules::WillMakeDefListItem(nsIDOMSelection *aSelection,
|
|
const nsString *aItemType,
|
|
PRBool *aCancel,
|
|
PRBool *aHandled)
|
|
{
|
|
// for now we let WillMakeList handle this
|
|
nsAutoString listType;
|
|
listType.AssignWithConversion("dl");
|
|
return WillMakeList(aSelection, &listType, aCancel, aHandled, aItemType);
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLEditRules::WillMakeBasicBlock(nsIDOMSelection *aSelection,
|
|
const nsString *aBlockType,
|
|
PRBool *aCancel,
|
|
PRBool *aHandled)
|
|
{
|
|
if (!aSelection || !aCancel || !aHandled) { return NS_ERROR_NULL_POINTER; }
|
|
// initialize out param
|
|
*aCancel = PR_FALSE;
|
|
*aHandled = PR_FALSE;
|
|
|
|
nsresult res = WillInsert(aSelection, aCancel);
|
|
if (NS_FAILED(res)) return res;
|
|
// initialize out param
|
|
// we want to ignore result of WillInsert()
|
|
*aCancel = PR_FALSE;
|
|
|
|
PRBool makeEmpty;
|
|
res = ShouldMakeEmptyBlock(aSelection, aBlockType, &makeEmpty);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
if (makeEmpty) return res; // just insert a new empty block
|
|
|
|
// else it's not that easy...
|
|
nsAutoSelectionReset selectionResetter(aSelection, mEditor);
|
|
nsAutoTxnsConserveSelection dontSpazMySelection(mEditor);
|
|
*aHandled = PR_TRUE;
|
|
|
|
nsCOMPtr<nsISupportsArray> arrayOfRanges;
|
|
res = GetPromotedRanges(aSelection, &arrayOfRanges, kMakeBasicBlock);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// use these ranges to contruct a list of nodes to act on.
|
|
nsCOMPtr<nsISupportsArray> arrayOfNodes;
|
|
res = GetNodesForOperation(arrayOfRanges, &arrayOfNodes, kMakeBasicBlock);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// Ok, now go through all the nodes and make the right kind of blocks,
|
|
// or whatever is approriate. Wohoo!
|
|
// Note: blockquote is handled a little differently
|
|
if (aBlockType->EqualsWithConversion("blockquote"))
|
|
res = MakeBlockquote(arrayOfNodes);
|
|
else
|
|
res = ApplyBlockStyle(arrayOfNodes, aBlockType);
|
|
return res;
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLEditRules::DidMakeBasicBlock(nsIDOMSelection *aSelection,
|
|
nsRulesInfo *aInfo, nsresult aResult)
|
|
{
|
|
if (!aSelection) return NS_ERROR_NULL_POINTER;
|
|
// check for empty block. if so, put a moz br in it.
|
|
PRBool isCollapsed;
|
|
nsresult res = aSelection->GetIsCollapsed(&isCollapsed);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!isCollapsed) return NS_OK;
|
|
|
|
nsCOMPtr<nsIDOMNode> parent;
|
|
PRInt32 offset;
|
|
res = nsEditor::GetStartNodeAndOffset(aSelection, &parent, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = InsertMozBRIfNeeded(parent);
|
|
return res;
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLEditRules::WillIndent(nsIDOMSelection *aSelection, PRBool *aCancel, PRBool * aHandled)
|
|
{
|
|
if (!aSelection || !aCancel || !aHandled) { return NS_ERROR_NULL_POINTER; }
|
|
|
|
nsresult res = WillInsert(aSelection, aCancel);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// initialize out param
|
|
// we want to ignore result of WillInsert()
|
|
*aCancel = PR_FALSE;
|
|
*aHandled = PR_TRUE;
|
|
|
|
nsAutoSelectionReset selectionResetter(aSelection, mEditor);
|
|
|
|
// convert the selection ranges into "promoted" selection ranges:
|
|
// this basically just expands the range to include the immediate
|
|
// block parent, and then further expands to include any ancestors
|
|
// whose children are all in the range
|
|
|
|
nsCOMPtr<nsISupportsArray> arrayOfRanges;
|
|
res = GetPromotedRanges(aSelection, &arrayOfRanges, kIndent);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// use these ranges to contruct a list of nodes to act on.
|
|
nsCOMPtr<nsISupportsArray> arrayOfNodes;
|
|
res = GetNodesForOperation(arrayOfRanges, &arrayOfNodes, kIndent);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// Next we detect all the transitions in the array, where a transition
|
|
// means that adjacent nodes in the array don't have the same parent.
|
|
|
|
nsVoidArray transitionList;
|
|
res = MakeTransitionList(arrayOfNodes, &transitionList);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// Ok, now go through all the nodes and put them in a blockquote,
|
|
// or whatever is appropriate. Wohoo!
|
|
|
|
PRUint32 listCount;
|
|
PRInt32 i;
|
|
arrayOfNodes->Count(&listCount);
|
|
nsCOMPtr<nsIDOMNode> curParent;
|
|
nsCOMPtr<nsIDOMNode> curQuote;
|
|
nsCOMPtr<nsIDOMNode> curList;
|
|
for (i=0; i<(PRInt32)listCount; i++)
|
|
{
|
|
// here's where we actually figure out what to do
|
|
nsCOMPtr<nsISupports> isupports = (dont_AddRef)(arrayOfNodes->ElementAt(i));
|
|
nsCOMPtr<nsIDOMNode> curNode( do_QueryInterface(isupports ) );
|
|
PRInt32 offset;
|
|
res = nsEditor::GetNodeLocation(curNode, &curParent, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// some logic for putting list items into nested lists...
|
|
if (nsHTMLEditUtils::IsList(curParent))
|
|
{
|
|
if (!curList || transitionList[i])
|
|
{
|
|
nsAutoString listTag;
|
|
nsEditor::GetTagString(curParent,listTag);
|
|
// create a new nested list of correct type
|
|
res = SplitAsNeeded(&listTag, &curParent, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mEditor->CreateNode(listTag, curParent, offset, getter_AddRefs(curList));
|
|
if (NS_FAILED(res)) return res;
|
|
// curList is now the correct thing to put curNode in
|
|
}
|
|
// tuck the node into the end of the active list
|
|
PRUint32 listLen;
|
|
res = mEditor->GetLengthOfDOMNode(curList, listLen);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mEditor->MoveNode(curNode, curList, listLen);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
|
|
else // not a list item, use blockquote
|
|
{
|
|
// need to make a blockquote to put things in if we haven't already,
|
|
// or if this node doesn't go in blockquote we used earlier.
|
|
if (!curQuote || transitionList[i])
|
|
{
|
|
nsAutoString quoteType; quoteType.AssignWithConversion("blockquote");
|
|
res = SplitAsNeeded("eType, &curParent, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mEditor->CreateNode(quoteType, curParent, offset, getter_AddRefs(curQuote));
|
|
if (NS_FAILED(res)) return res;
|
|
// set style to not have unwanted vertical margins
|
|
nsCOMPtr<nsIDOMElement> quoteElem = do_QueryInterface(curQuote);
|
|
res = mEditor->SetAttribute(quoteElem, NS_ConvertASCIItoUCS2("style"), NS_ConvertASCIItoUCS2("margin: 0 0 0 40px;"));
|
|
if (NS_FAILED(res)) return res;
|
|
// curQuote is now the correct thing to put curNode in
|
|
}
|
|
|
|
// tuck the node into the end of the active blockquote
|
|
PRUint32 quoteLen;
|
|
res = mEditor->GetLengthOfDOMNode(curQuote, quoteLen);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mEditor->MoveNode(curNode, curQuote, quoteLen);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsHTMLEditRules::WillOutdent(nsIDOMSelection *aSelection, PRBool *aCancel, PRBool *aHandled)
|
|
{
|
|
if (!aSelection || !aCancel || !aHandled) { return NS_ERROR_NULL_POINTER; }
|
|
// initialize out param
|
|
*aCancel = PR_FALSE;
|
|
*aHandled = PR_TRUE;
|
|
|
|
nsAutoSelectionReset selectionResetter(aSelection, mEditor);
|
|
nsresult res = NS_OK;
|
|
|
|
// convert the selection ranges into "promoted" selection ranges:
|
|
// this basically just expands the range to include the immediate
|
|
// block parent, and then further expands to include any ancestors
|
|
// whose children are all in the range
|
|
|
|
nsCOMPtr<nsISupportsArray> arrayOfRanges;
|
|
res = GetPromotedRanges(aSelection, &arrayOfRanges, kOutdent);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// use these ranges to contruct a list of nodes to act on.
|
|
nsCOMPtr<nsISupportsArray> arrayOfNodes;
|
|
res = GetNodesForOperation(arrayOfRanges, &arrayOfNodes, kOutdent);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// Next we detect all the transitions in the array, where a transition
|
|
// means that adjacent nodes in the array don't have the same parent.
|
|
|
|
nsVoidArray transitionList;
|
|
res = MakeTransitionList(arrayOfNodes, &transitionList);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// Ok, now go through all the nodes and remove a level of blockquoting,
|
|
// or whatever is appropriate. Wohoo!
|
|
|
|
PRUint32 listCount;
|
|
PRInt32 i;
|
|
arrayOfNodes->Count(&listCount);
|
|
nsCOMPtr<nsIDOMNode> curParent;
|
|
for (i=0; i<(PRInt32)listCount; i++)
|
|
{
|
|
// here's where we actually figure out what to do
|
|
nsCOMPtr<nsISupports> isupports = (dont_AddRef)(arrayOfNodes->ElementAt(i));
|
|
nsCOMPtr<nsIDOMNode> curNode( do_QueryInterface(isupports ) );
|
|
PRInt32 offset;
|
|
res = nsEditor::GetNodeLocation(curNode, &curParent, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
if (nsHTMLEditUtils::IsList(curParent)) // move node out of list
|
|
{
|
|
if (nsHTMLEditUtils::IsList(curNode)) // just unwrap this sublist
|
|
{
|
|
res = mEditor->RemoveContainer(curNode);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
else // we are moving a list item, but not whole list
|
|
{
|
|
PRBool bOutOfList;
|
|
res = PopListItem(curNode, &bOutOfList);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
else if (nsHTMLEditUtils::IsList(curNode)) // node is a list, but parent is non-list: move list items out
|
|
{
|
|
nsCOMPtr<nsIDOMNode> child;
|
|
curNode->GetLastChild(getter_AddRefs(child));
|
|
while (child)
|
|
{
|
|
if (nsHTMLEditUtils::IsListItem(child))
|
|
{
|
|
PRBool bOutOfList;
|
|
res = PopListItem(child, &bOutOfList);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
else
|
|
{
|
|
// delete any non- list items for now
|
|
res = mEditor->DeleteNode(child);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
curNode->GetLastChild(getter_AddRefs(child));
|
|
}
|
|
// delete the now-empty list
|
|
res = mEditor->DeleteNode(curNode);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
else if (transitionList[i]) // not list related - look for enclosing blockquotes and remove
|
|
{
|
|
// look for a blockquote somewhere above us and remove it.
|
|
// this is a hack until i think about outdent for real.
|
|
nsCOMPtr<nsIDOMNode> n = curNode;
|
|
nsCOMPtr<nsIDOMNode> tmp;
|
|
while (!nsHTMLEditUtils::IsBody(n))
|
|
{
|
|
if (nsHTMLEditUtils::IsBlockquote(n))
|
|
{
|
|
res = AddTerminatingBR(n);
|
|
if (NS_FAILED(res)) return res;
|
|
mEditor->RemoveContainer(n);
|
|
break;
|
|
}
|
|
n->GetParentNode(getter_AddRefs(tmp));
|
|
n = tmp;
|
|
}
|
|
}
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// ConvertListType: convert list type and list item type.
|
|
//
|
|
//
|
|
nsresult
|
|
nsHTMLEditRules::ConvertListType(nsIDOMNode *aList,
|
|
nsCOMPtr<nsIDOMNode> *outList,
|
|
const nsString& aListType,
|
|
const nsString& aItemType)
|
|
{
|
|
if (!aList || !outList) return NS_ERROR_NULL_POINTER;
|
|
*outList = aList; // we migvht not need to change the list
|
|
nsresult res = NS_OK;
|
|
nsCOMPtr<nsIDOMNode> child, temp;
|
|
aList->GetFirstChild(getter_AddRefs(child));
|
|
while (child)
|
|
{
|
|
if (!mEditor->NodeIsType(child, aItemType))
|
|
{
|
|
res = mEditor->ReplaceContainer(child, &temp, aItemType);
|
|
if (NS_FAILED(res)) return res;
|
|
child = temp;
|
|
}
|
|
child->GetNextSibling(getter_AddRefs(temp));
|
|
child = temp;
|
|
}
|
|
if (!mEditor->NodeIsType(aList, aListType))
|
|
{
|
|
res = mEditor->ReplaceContainer(aList, outList, aListType);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// CreateStyleForInsertText: take care of clearing and setting appropriate
|
|
// style nodes for text insertion.
|
|
//
|
|
//
|
|
nsresult
|
|
nsHTMLEditRules::CreateStyleForInsertText(nsIDOMSelection *aSelection, nsIDOMDocument *aDoc)
|
|
{
|
|
if (!aSelection || !aDoc) return NS_ERROR_NULL_POINTER;
|
|
if (!mEditor->mTypeInState) return NS_ERROR_NULL_POINTER;
|
|
|
|
PRBool weDidSometing = PR_FALSE;
|
|
nsCOMPtr<nsIDOMNode> node;
|
|
PRInt32 offset;
|
|
nsresult res = mEditor->GetStartNodeAndOffset(aSelection, &node, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
PropItem *item = nsnull;
|
|
|
|
// process clearing any styles first
|
|
mEditor->mTypeInState->TakeClearProperty(&item);
|
|
while (item)
|
|
{
|
|
res = mEditor->SplitStyleAbovePoint(&node, &offset, item->tag, &item->attr);
|
|
if (NS_FAILED(res)) return res;
|
|
// we own item now (TakeClearProperty hands ownership to us)
|
|
delete item;
|
|
mEditor->mTypeInState->TakeClearProperty(&item);
|
|
weDidSometing = PR_TRUE;
|
|
}
|
|
|
|
// then process setting any styles
|
|
PRInt32 relFontSize;
|
|
|
|
res = mEditor->mTypeInState->TakeRelativeFontSize(&relFontSize);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mEditor->mTypeInState->TakeSetProperty(&item);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
if (item || relFontSize) // we have at least one style to add; make a
|
|
{ // new text node to insert style nodes above.
|
|
if (mEditor->IsTextNode(node))
|
|
{
|
|
// if we are in a text node, split it
|
|
res = mEditor->SplitNodeDeep(node, node, offset, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
nsCOMPtr<nsIDOMNode> tmp;
|
|
node->GetParentNode(getter_AddRefs(tmp));
|
|
node = tmp;
|
|
}
|
|
nsCOMPtr<nsIDOMNode> newNode;
|
|
nsCOMPtr<nsIDOMText> nodeAsText;
|
|
res = aDoc->CreateTextNode(nsAutoString(), getter_AddRefs(nodeAsText));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!nodeAsText) return NS_ERROR_NULL_POINTER;
|
|
newNode = do_QueryInterface(nodeAsText);
|
|
res = mEditor->InsertNode(newNode, node, offset);
|
|
if (NS_FAILED(res)) return res;
|
|
node = newNode;
|
|
offset = 0;
|
|
weDidSometing = PR_TRUE;
|
|
|
|
if (relFontSize)
|
|
{
|
|
PRInt32 j, dir;
|
|
// dir indicated bigger versus smaller. 1 = bigger, -1 = smaller
|
|
if (relFontSize > 0) dir=1;
|
|
else dir = -1;
|
|
for (j=0; j<abs(relFontSize); j++)
|
|
{
|
|
res = mEditor->RelativeFontChangeOnTextNode(dir, nodeAsText, 0, -1);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
|
|
while (item)
|
|
{
|
|
res = mEditor->SetInlinePropertyOnNode(node, item->tag, &item->attr, &item->value);
|
|
if (NS_FAILED(res)) return res;
|
|
// we own item now (TakeSetProperty hands ownership to us)
|
|
delete item;
|
|
mEditor->mTypeInState->TakeSetProperty(&item);
|
|
}
|
|
}
|
|
if (weDidSometing)
|
|
return aSelection->Collapse(node, offset);
|
|
|
|
return res;
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// IsEmptyBlock: figure out if aNode is (or is inside) an empty block.
|
|
// A block can have children and still be considered empty,
|
|
// if the children are empty or non-editable.
|
|
//
|
|
nsresult
|
|
nsHTMLEditRules::IsEmptyBlock(nsIDOMNode *aNode,
|
|
PRBool *outIsEmptyBlock,
|
|
PRBool aMozBRDoesntCount,
|
|
PRBool aListItemsNotEmpty)
|
|
{
|
|
if (!aNode || !outIsEmptyBlock) return NS_ERROR_NULL_POINTER;
|
|
*outIsEmptyBlock = PR_TRUE;
|
|
|
|
// nsresult res = NS_OK;
|
|
nsCOMPtr<nsIDOMNode> nodeToTest;
|
|
if (nsEditor::IsBlockNode(aNode)) nodeToTest = do_QueryInterface(aNode);
|
|
// else nsCOMPtr<nsIDOMElement> block;
|
|
// looks like I forgot to finish this. Wonder what I was going to do?
|
|
|
|
if (!nodeToTest) return NS_ERROR_NULL_POINTER;
|
|
return IsEmptyNode(nodeToTest, outIsEmptyBlock,
|
|
aMozBRDoesntCount, aListItemsNotEmpty);
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsHTMLEditRules::WillAlign(nsIDOMSelection *aSelection,
|
|
const nsString *alignType,
|
|
PRBool *aCancel,
|
|
PRBool *aHandled)
|
|
{
|
|
if (!aSelection || !aCancel || !aHandled) { return NS_ERROR_NULL_POINTER; }
|
|
|
|
nsresult res = WillInsert(aSelection, aCancel);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// initialize out param
|
|
// we want to ignore result of WillInsert()
|
|
*aCancel = PR_FALSE;
|
|
*aHandled = PR_FALSE;
|
|
|
|
|
|
PRBool outMakeEmpty;
|
|
res = ShouldMakeEmptyBlock(aSelection, alignType, &outMakeEmpty);
|
|
if (NS_FAILED(res)) return res;
|
|
if (outMakeEmpty)
|
|
{
|
|
PRInt32 offset;
|
|
nsCOMPtr<nsIDOMNode> brNode, parent, theDiv;
|
|
nsAutoString divType; divType.AssignWithConversion("div");
|
|
res = mEditor->GetStartNodeAndOffset(aSelection, &parent, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = SplitAsNeeded(&divType, &parent, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mEditor->CreateNode(divType, parent, offset, getter_AddRefs(theDiv));
|
|
if (NS_FAILED(res)) return res;
|
|
// set up the alignment on the div
|
|
nsCOMPtr<nsIDOMElement> divElem = do_QueryInterface(theDiv);
|
|
nsAutoString attr; attr.AssignWithConversion("align");
|
|
res = mEditor->SetAttribute(divElem, attr, *alignType);
|
|
if (NS_FAILED(res)) return res;
|
|
*aHandled = PR_TRUE;
|
|
// put in a moz-br so that it won't get deleted
|
|
res = CreateMozBR(theDiv, 0, &brNode);
|
|
if (NS_FAILED(res)) return res;
|
|
res = aSelection->Collapse(theDiv, 0);
|
|
return res;
|
|
}
|
|
|
|
nsAutoSelectionReset selectionResetter(aSelection, mEditor);
|
|
|
|
// convert the selection ranges into "promoted" selection ranges:
|
|
// this basically just expands the range to include the immediate
|
|
// block parent, and then further expands to include any ancestors
|
|
// whose children are all in the range
|
|
*aHandled = PR_TRUE;
|
|
|
|
nsCOMPtr<nsISupportsArray> arrayOfRanges;
|
|
res = GetPromotedRanges(aSelection, &arrayOfRanges, kAlign);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// use these ranges to contruct a list of nodes to act on.
|
|
nsCOMPtr<nsISupportsArray> arrayOfNodes;
|
|
res = GetNodesForOperation(arrayOfRanges, &arrayOfNodes, kAlign);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// Next we detect all the transitions in the array, where a transition
|
|
// means that adjacent nodes in the array don't have the same parent.
|
|
|
|
nsVoidArray transitionList;
|
|
res = MakeTransitionList(arrayOfNodes, &transitionList);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// Ok, now go through all the nodes and give them an align attrib or put them in a div,
|
|
// or whatever is appropriate. Wohoo!
|
|
|
|
PRUint32 listCount;
|
|
PRInt32 i;
|
|
arrayOfNodes->Count(&listCount);
|
|
nsCOMPtr<nsIDOMNode> curParent;
|
|
nsCOMPtr<nsIDOMNode> curDiv;
|
|
for (i=0; i<(PRInt32)listCount; i++)
|
|
{
|
|
// here's where we actually figure out what to do
|
|
nsCOMPtr<nsISupports> isupports = (dont_AddRef)(arrayOfNodes->ElementAt(i));
|
|
nsCOMPtr<nsIDOMNode> curNode( do_QueryInterface(isupports ) );
|
|
PRInt32 offset;
|
|
res = nsEditor::GetNodeLocation(curNode, &curParent, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// if it's a div, don't nest it, just set the alignment
|
|
if (nsHTMLEditUtils::IsDiv(curNode))
|
|
{
|
|
nsCOMPtr<nsIDOMElement> divElem = do_QueryInterface(curNode);
|
|
nsAutoString attr; attr.AssignWithConversion("align");
|
|
res = mEditor->SetAttribute(divElem, attr, *alignType);
|
|
if (NS_FAILED(res)) return res;
|
|
// clear out curDiv so that we don't put nodes after this one into it
|
|
curDiv = 0;
|
|
continue;
|
|
}
|
|
|
|
// if it's a table element (but not a table), forget any "current" div, and
|
|
// instead put divs inside any th's and td's inside the table element
|
|
if (mEditor->IsTableElement(curNode) && !mEditor->IsTable(curNode))
|
|
{
|
|
res = AlignTableElement(curNode, alignType);
|
|
if (NS_FAILED(res)) return res;
|
|
// clear out curDiv so that we don't put nodes after this one into it
|
|
curDiv = 0;
|
|
continue;
|
|
}
|
|
|
|
// need to make a div to put things in if we haven't already,
|
|
// or if this node doesn't go in div we used earlier.
|
|
if (!curDiv || transitionList[i])
|
|
{
|
|
nsAutoString divType; divType.AssignWithConversion("div");
|
|
res = SplitAsNeeded(&divType, &curParent, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mEditor->CreateNode(divType, curParent, offset, getter_AddRefs(curDiv));
|
|
if (NS_FAILED(res)) return res;
|
|
// set up the alignment on the div
|
|
nsCOMPtr<nsIDOMElement> divElem = do_QueryInterface(curDiv);
|
|
nsAutoString attr; attr.AssignWithConversion("align");
|
|
res = mEditor->SetAttribute(divElem, attr, *alignType);
|
|
if (NS_FAILED(res)) return res;
|
|
// curDiv is now the correct thing to put curNode in
|
|
}
|
|
|
|
// tuck the node into the end of the active div
|
|
PRUint32 listLen;
|
|
res = mEditor->GetLengthOfDOMNode(curDiv, listLen);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mEditor->MoveNode(curNode, curDiv, listLen);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// AlignTableElement: take a table element and align it's contents
|
|
//
|
|
nsresult
|
|
nsHTMLEditRules::AlignTableElement(nsIDOMNode *aNode, const nsString *alignType)
|
|
{
|
|
if (!aNode || !alignType) return NS_ERROR_NULL_POINTER;
|
|
nsresult res;
|
|
nsCOMPtr<nsIContentIterator> iter;
|
|
res = nsComponentManager::CreateInstance(kContentIteratorCID, nsnull,
|
|
NS_GET_IID(nsIContentIterator),
|
|
getter_AddRefs(iter));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!iter) return NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsISupportsArray> arrayOfNodes;
|
|
nsCOMPtr<nsIContent> content;
|
|
nsCOMPtr<nsIDOMNode> node;
|
|
nsCOMPtr<nsISupports> isupports;
|
|
|
|
// make a array
|
|
res = NS_NewISupportsArray(getter_AddRefs(arrayOfNodes));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// iterate node and build up array of td's and th's
|
|
content = do_QueryInterface(aNode);
|
|
iter->Init(content);
|
|
while (NS_ENUMERATOR_FALSE == iter->IsDone())
|
|
{
|
|
res = iter->CurrentNode(getter_AddRefs(content));
|
|
if (NS_FAILED(res)) return res;
|
|
node = do_QueryInterface(content);
|
|
if (!node) return NS_ERROR_FAILURE;
|
|
if (mEditor->IsTableCell(node))
|
|
{
|
|
isupports = do_QueryInterface(node);
|
|
arrayOfNodes->AppendElement(isupports);
|
|
}
|
|
res = iter->Next();
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
|
|
// now that we have the list, align their contents as requested
|
|
PRUint32 listCount;
|
|
PRUint32 j;
|
|
arrayOfNodes->Count(&listCount);
|
|
for (j = 0; j < listCount; j++)
|
|
{
|
|
isupports = (dont_AddRef)(arrayOfNodes->ElementAt(0));
|
|
node = do_QueryInterface(isupports);
|
|
res = AlignTableCellContents(node, alignType);
|
|
if (NS_FAILED(res)) return res;
|
|
arrayOfNodes->RemoveElementAt(0);
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// AlignTableElement: take a table cell and align it's contents
|
|
//
|
|
nsresult
|
|
nsHTMLEditRules::AlignTableCellContents(nsIDOMNode *aNode, const nsString *alignType)
|
|
{
|
|
if (!aNode || !alignType) return NS_ERROR_NULL_POINTER;
|
|
nsresult res;
|
|
nsCOMPtr <nsIDOMNode> firstChild, lastChild, divNode;
|
|
|
|
res = mEditor->GetFirstEditableChild(aNode, &firstChild);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mEditor->GetLastEditableChild(aNode, &lastChild);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!firstChild)
|
|
{
|
|
// this cell has no content, nothing to align
|
|
}
|
|
else if ((firstChild==lastChild) && nsHTMLEditUtils::IsDiv(firstChild))
|
|
{
|
|
// the cell already has a div containing all of it's content: just
|
|
// act on this div.
|
|
nsCOMPtr<nsIDOMElement> divElem = do_QueryInterface(firstChild);
|
|
nsAutoString attr; attr.AssignWithConversion("align");
|
|
res = mEditor->SetAttribute(divElem, attr, *alignType);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
else
|
|
{
|
|
// else we need to put in a div, set the alignment, and toss in al the children
|
|
nsAutoString divType; divType.AssignWithConversion("div");
|
|
res = mEditor->CreateNode(divType, aNode, 0, getter_AddRefs(divNode));
|
|
if (NS_FAILED(res)) return res;
|
|
// set up the alignment on the div
|
|
nsCOMPtr<nsIDOMElement> divElem = do_QueryInterface(divNode);
|
|
nsAutoString attr; attr.AssignWithConversion("align");
|
|
res = mEditor->SetAttribute(divElem, attr, *alignType);
|
|
if (NS_FAILED(res)) return res;
|
|
// tuck the children into the end of the active div
|
|
while (lastChild && (lastChild != divNode))
|
|
{
|
|
res = mEditor->MoveNode(lastChild, divNode, 0);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mEditor->GetLastEditableChild(aNode, &lastChild);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// GetInnerContent: aList and aTbl allow the caller to specify what kind
|
|
// of content to "look inside". If aTbl is true, look inside
|
|
// any table content, and append the inner content to the
|
|
// supplied issupportsarray. Similarly with aList and list content.
|
|
//
|
|
nsresult
|
|
nsHTMLEditRules::GetInnerContent(nsIDOMNode *aNode, nsISupportsArray *outArrayOfNodes, PRBool aList, PRBool aTbl)
|
|
{
|
|
if (!aNode || !outArrayOfNodes) return NS_ERROR_NULL_POINTER;
|
|
|
|
nsCOMPtr<nsIDOMNode> node;
|
|
nsCOMPtr<nsISupports> isupports;
|
|
|
|
nsresult res = mEditor->GetFirstEditableChild(aNode, &node);
|
|
while (NS_SUCCEEDED(res) && node)
|
|
{
|
|
if ( ( aList && (nsHTMLEditUtils::IsList(node) ||
|
|
nsHTMLEditUtils::IsListItem(node) ) )
|
|
|| ( aTbl && mEditor->IsTableElement(node) ) )
|
|
{
|
|
res = GetInnerContent(node, outArrayOfNodes, aList, aTbl);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
else
|
|
{
|
|
isupports = do_QueryInterface(node);
|
|
outArrayOfNodes->AppendElement(isupports);
|
|
}
|
|
nsCOMPtr<nsIDOMNode> tmp;
|
|
res = node->GetNextSibling(getter_AddRefs(tmp));
|
|
node = tmp;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// IsFirstNode: Are we the first edittable node in our parent?
|
|
//
|
|
PRBool
|
|
nsHTMLEditRules::IsFirstNode(nsIDOMNode *aNode)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> parent;
|
|
PRInt32 offset, j=0;
|
|
nsresult res = nsEditor::GetNodeLocation(aNode, &parent, &offset);
|
|
if (NS_FAILED(res))
|
|
{
|
|
NS_NOTREACHED("failure in nsHTMLEditRules::IsFirstNode");
|
|
return PR_FALSE;
|
|
}
|
|
if (!offset) // easy case, we are first dom child
|
|
return PR_TRUE;
|
|
if (!parent)
|
|
return PR_TRUE;
|
|
|
|
// ok, so there are earlier children. But are they editable???
|
|
nsCOMPtr<nsIDOMNodeList> childList;
|
|
nsCOMPtr<nsIDOMNode> child;
|
|
|
|
res = parent->GetChildNodes(getter_AddRefs(childList));
|
|
if (NS_FAILED(res) || !childList)
|
|
{
|
|
NS_NOTREACHED("failure in nsHTMLEditUtils::IsFirstNode");
|
|
return PR_TRUE;
|
|
}
|
|
while (j < offset)
|
|
{
|
|
childList->Item(j, getter_AddRefs(child));
|
|
if (mEditor->IsEditable(child))
|
|
return PR_FALSE;
|
|
j++;
|
|
}
|
|
return PR_TRUE;
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// IsLastNode: Are we the first edittable node in our parent?
|
|
//
|
|
PRBool
|
|
nsHTMLEditRules::IsLastNode(nsIDOMNode *aNode)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> parent;
|
|
PRInt32 offset, j;
|
|
PRUint32 numChildren;
|
|
nsresult res = nsEditor::GetNodeLocation(aNode, &parent, &offset);
|
|
if (NS_FAILED(res))
|
|
{
|
|
NS_NOTREACHED("failure in nsHTMLEditUtils::IsLastNode");
|
|
return PR_FALSE;
|
|
}
|
|
nsEditor::GetLengthOfDOMNode(parent, numChildren);
|
|
if (offset+1 == (PRInt32)numChildren) // easy case, we are last dom child
|
|
return PR_TRUE;
|
|
if (!parent)
|
|
return PR_TRUE;
|
|
|
|
// ok, so there are later children. But are they editable???
|
|
j = offset+1;
|
|
nsCOMPtr<nsIDOMNodeList>childList;
|
|
nsCOMPtr<nsIDOMNode> child;
|
|
res = parent->GetChildNodes(getter_AddRefs(childList));
|
|
if (NS_FAILED(res) || !childList)
|
|
{
|
|
NS_NOTREACHED("failure in nsHTMLEditRules::IsLastNode");
|
|
return PR_TRUE;
|
|
}
|
|
while (j < (PRInt32)numChildren)
|
|
{
|
|
childList->Item(j, getter_AddRefs(child));
|
|
if (mEditor->IsEditable(child))
|
|
return PR_FALSE;
|
|
j++;
|
|
}
|
|
return PR_TRUE;
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// AtStartOfBlock: is node/offset at the start of the editable material in this block?
|
|
//
|
|
PRBool
|
|
nsHTMLEditRules::AtStartOfBlock(nsIDOMNode *aNode, PRInt32 aOffset, nsIDOMNode *aBlock)
|
|
{
|
|
nsCOMPtr<nsIDOMCharacterData> nodeAsText = do_QueryInterface(aNode);
|
|
if (nodeAsText && aOffset) return PR_FALSE; // there are chars in front of us
|
|
|
|
nsCOMPtr<nsIDOMNode> priorNode;
|
|
nsresult res = mEditor->GetPriorHTMLNode(aNode, aOffset, &priorNode);
|
|
if (NS_FAILED(res)) return PR_TRUE;
|
|
if (!priorNode) return PR_TRUE;
|
|
nsCOMPtr<nsIDOMNode> blockParent = mEditor->GetBlockNodeParent(priorNode);
|
|
if (blockParent && (blockParent.get() == aBlock)) return PR_FALSE;
|
|
return PR_TRUE;
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// AtEndOfBlock: is node/offset at the end of the editable material in this block?
|
|
//
|
|
PRBool
|
|
nsHTMLEditRules::AtEndOfBlock(nsIDOMNode *aNode, PRInt32 aOffset, nsIDOMNode *aBlock)
|
|
{
|
|
nsCOMPtr<nsIDOMCharacterData> nodeAsText = do_QueryInterface(aNode);
|
|
if (nodeAsText)
|
|
{
|
|
PRUint32 strLength;
|
|
nodeAsText->GetLength(&strLength);
|
|
if ((PRInt32)strLength > aOffset) return PR_FALSE; // there are chars in after us
|
|
}
|
|
nsCOMPtr<nsIDOMNode> nextNode;
|
|
nsresult res = mEditor->GetNextHTMLNode(aNode, aOffset, &nextNode);
|
|
if (NS_FAILED(res)) return PR_TRUE;
|
|
if (!nextNode) return PR_TRUE;
|
|
nsCOMPtr<nsIDOMNode> blockParent = mEditor->GetBlockNodeParent(nextNode);
|
|
if (blockParent && (blockParent.get() == aBlock)) return PR_FALSE;
|
|
return PR_TRUE;
|
|
}
|
|
|
|
|
|
// not needed at moment - leaving around in case we go back to it.
|
|
#if 0
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// CreateMozDiv: makes a div with type = _moz
|
|
//
|
|
nsresult
|
|
nsHTMLEditRules::CreateMozDiv(nsIDOMNode *inParent, PRInt32 inOffset, nsCOMPtr<nsIDOMNode> *outDiv)
|
|
{
|
|
if (!inParent || !outDiv) return NS_ERROR_NULL_POINTER;
|
|
nsAutoString divType= "div";
|
|
*outDiv = nsnull;
|
|
nsresult res = mEditor->CreateNode(divType, inParent, inOffset, getter_AddRefs(*outDiv));
|
|
if (NS_FAILED(res)) return res;
|
|
// give it special moz attr
|
|
nsCOMPtr<nsIDOMElement> mozDivElem = do_QueryInterface(*outDiv);
|
|
res = mEditor->SetAttribute(mozDivElem, "type", "_moz");
|
|
if (NS_FAILED(res)) return res;
|
|
res = AddTrailerBR(*outDiv);
|
|
return res;
|
|
}
|
|
#endif
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// GetPromotedPoint: figure out where a start or end point for a block
|
|
// operation really is
|
|
nsresult
|
|
nsHTMLEditRules::GetPromotedPoint(RulesEndpoint aWhere, nsIDOMNode *aNode, PRInt32 aOffset,
|
|
PRInt32 actionID, nsCOMPtr<nsIDOMNode> *outNode, PRInt32 *outOffset)
|
|
{
|
|
nsresult res = NS_OK;
|
|
nsCOMPtr<nsIDOMNode> node = aNode;
|
|
nsCOMPtr<nsIDOMNode> parent = aNode;
|
|
PRInt32 offset = aOffset;
|
|
|
|
// defualt values
|
|
*outNode = node;
|
|
*outOffset = offset;
|
|
|
|
// we do one thing for InsertText actions, something else entirely for other actions
|
|
if (actionID == kInsertText)
|
|
{
|
|
PRBool isSpace, isNBSP;
|
|
nsCOMPtr<nsIDOMNode> temp;
|
|
// for insert text or delete actions, we want to look backwards (or forwards, as appropriate)
|
|
// for additional whitespace or nbsp's. We may have to act on these later even though
|
|
// they are outside of the initial selection. Even if they are in another node!
|
|
if (aWhere == kStart)
|
|
{
|
|
do
|
|
{
|
|
res = mEditor->IsPrevCharWhitespace(node, offset, &isSpace, &isNBSP, &temp, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
if (isSpace || isNBSP) node = temp;
|
|
else break;
|
|
} while (node);
|
|
|
|
*outNode = node;
|
|
*outOffset = offset;
|
|
}
|
|
else if (aWhere == kEnd)
|
|
{
|
|
do
|
|
{
|
|
res = mEditor->IsNextCharWhitespace(node, offset, &isSpace, &isNBSP, &temp, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
if (isSpace || isNBSP) node = temp;
|
|
else break;
|
|
} while (node);
|
|
|
|
*outNode = node;
|
|
*outOffset = offset;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
// else not kInsertText. In this case we want to see if we should
|
|
// grab any adjacent inline nodes and/or parents and other ancestors
|
|
if (aWhere == kStart)
|
|
{
|
|
// some special casing for text nodes
|
|
if (nsEditor::IsTextNode(aNode))
|
|
{
|
|
res = nsEditor::GetNodeLocation(aNode, &parent, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
else
|
|
{
|
|
node = nsEditor::GetChildAt(parent,offset);
|
|
}
|
|
if (!node) node = parent;
|
|
|
|
|
|
// if this is an inline node,
|
|
// back up through any prior inline nodes that
|
|
// aren't across a <br> from us.
|
|
|
|
if (!nsEditor::IsBlockNode(node))
|
|
{
|
|
nsCOMPtr<nsIDOMNode> block = nsEditor::GetBlockNodeParent(node);
|
|
nsCOMPtr<nsIDOMNode> prevNode;
|
|
prevNode = nsEditor::NextNodeInBlock(node, nsEditor::kIterBackward);
|
|
while (prevNode)
|
|
{
|
|
if (nsHTMLEditUtils::IsBreak(prevNode))
|
|
break;
|
|
if (nsEditor::IsBlockNode(prevNode))
|
|
break;
|
|
node = prevNode;
|
|
prevNode = nsEditor::NextNodeInBlock(node, nsEditor::kIterBackward);
|
|
}
|
|
}
|
|
|
|
// finding the real start for this point. look up the tree for as long as we are the
|
|
// first node in the container, and as long as we haven't hit the body node.
|
|
if (!nsHTMLEditUtils::IsBody(node))
|
|
{
|
|
res = nsEditor::GetNodeLocation(node, &parent, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
while ((IsFirstNode(node)) && (!nsHTMLEditUtils::IsBody(parent)))
|
|
{
|
|
node = parent;
|
|
res = nsEditor::GetNodeLocation(node, &parent, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
*outNode = parent;
|
|
*outOffset = offset;
|
|
return res;
|
|
}
|
|
}
|
|
|
|
if (aWhere == kEnd)
|
|
{
|
|
// some special casing for text nodes
|
|
if (nsEditor::IsTextNode(aNode))
|
|
{
|
|
res = nsEditor::GetNodeLocation(aNode, &parent, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
else
|
|
{
|
|
if (offset) offset--; // we want node _before_ offset
|
|
node = nsEditor::GetChildAt(parent,offset);
|
|
}
|
|
if (!node) node = parent;
|
|
|
|
// if this is an inline node,
|
|
// look ahead through any further inline nodes that
|
|
// aren't across a <br> from us, and that are enclosed in the same block.
|
|
|
|
if (!nsEditor::IsBlockNode(node))
|
|
{
|
|
nsCOMPtr<nsIDOMNode> block = nsEditor::GetBlockNodeParent(node);
|
|
nsCOMPtr<nsIDOMNode> nextNode;
|
|
nextNode = nsEditor::NextNodeInBlock(node, nsEditor::kIterForward);
|
|
while (nextNode)
|
|
{
|
|
if (nsHTMLEditUtils::IsBreak(nextNode))
|
|
{
|
|
node = nextNode;
|
|
break;
|
|
}
|
|
if (nsEditor::IsBlockNode(nextNode))
|
|
break;
|
|
node = nextNode;
|
|
nextNode = nsEditor::NextNodeInBlock(node, nsEditor::kIterForward);
|
|
}
|
|
}
|
|
|
|
// finding the real end for this point. look up the tree for as long as we are the
|
|
// last node in the container, and as long as we haven't hit the body node.
|
|
if (!nsHTMLEditUtils::IsBody(node))
|
|
{
|
|
res = nsEditor::GetNodeLocation(node, &parent, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
while ((IsLastNode(node)) && (!nsHTMLEditUtils::IsBody(parent)))
|
|
{
|
|
node = parent;
|
|
res = nsEditor::GetNodeLocation(node, &parent, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
*outNode = parent;
|
|
offset++; // add one since this in an endpoint - want to be AFTER node.
|
|
*outOffset = offset;
|
|
return res;
|
|
}
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// GetPromotedRanges: run all the selection range endpoint through
|
|
// GetPromotedPoint()
|
|
//
|
|
nsresult
|
|
nsHTMLEditRules::GetPromotedRanges(nsIDOMSelection *inSelection,
|
|
nsCOMPtr<nsISupportsArray> *outArrayOfRanges,
|
|
PRInt32 inOperationType)
|
|
{
|
|
if (!inSelection || !outArrayOfRanges) return NS_ERROR_NULL_POINTER;
|
|
|
|
nsresult res = NS_NewISupportsArray(getter_AddRefs(*outArrayOfRanges));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
PRInt32 rangeCount;
|
|
res = inSelection->GetRangeCount(&rangeCount);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
PRInt32 i;
|
|
nsCOMPtr<nsIDOMRange> selectionRange;
|
|
nsCOMPtr<nsIDOMRange> opRange;
|
|
|
|
for (i = 0; i < rangeCount; i++)
|
|
{
|
|
res = inSelection->GetRangeAt(i, getter_AddRefs(selectionRange));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// clone range so we dont muck with actual selection ranges
|
|
res = selectionRange->Clone(getter_AddRefs(opRange));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// make a new adjusted range to represent the appropriate block content.
|
|
// The basic idea is to push out the range endpoints
|
|
// to truly enclose the blocks that we will affect.
|
|
// This call alters opRange.
|
|
res = PromoteRange(opRange, inOperationType);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// stuff new opRange into nsISupportsArray
|
|
nsCOMPtr<nsISupports> isupports = do_QueryInterface(opRange);
|
|
(*outArrayOfRanges)->AppendElement(isupports);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// PromoteRange: expand a range to include any parents for which all
|
|
// editable children are already in range.
|
|
//
|
|
nsresult
|
|
nsHTMLEditRules::PromoteRange(nsIDOMRange *inRange,
|
|
PRInt32 inOperationType)
|
|
{
|
|
if (!inRange) return NS_ERROR_NULL_POINTER;
|
|
nsresult res;
|
|
nsCOMPtr<nsIDOMNode> startNode, endNode;
|
|
PRInt32 startOffset, endOffset;
|
|
|
|
res = inRange->GetStartParent(getter_AddRefs(startNode));
|
|
if (NS_FAILED(res)) return res;
|
|
res = inRange->GetStartOffset(&startOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = inRange->GetEndParent(getter_AddRefs(endNode));
|
|
if (NS_FAILED(res)) return res;
|
|
res = inRange->GetEndOffset(&endOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// make a new adjusted range to represent the appropriate block content.
|
|
// this is tricky. the basic idea is to push out the range endpoints
|
|
// to truly enclose the blocks that we will affect
|
|
|
|
nsCOMPtr<nsIDOMNode> opStartNode;
|
|
nsCOMPtr<nsIDOMNode> opEndNode;
|
|
PRInt32 opStartOffset, opEndOffset;
|
|
nsCOMPtr<nsIDOMRange> opRange;
|
|
|
|
res = GetPromotedPoint( kStart, startNode, startOffset, inOperationType, &opStartNode, &opStartOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = GetPromotedPoint( kEnd, endNode, endOffset, inOperationType, &opEndNode, &opEndOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = inRange->SetStart(opStartNode, opStartOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = inRange->SetEnd(opEndNode, opEndOffset);
|
|
return res;
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// GetNodesForOperation: run through the ranges in the array and construct
|
|
// a new array of nodes to be acted on.
|
|
//
|
|
nsresult
|
|
nsHTMLEditRules::GetNodesForOperation(nsISupportsArray *inArrayOfRanges,
|
|
nsCOMPtr<nsISupportsArray> *outArrayOfNodes,
|
|
PRInt32 inOperationType,
|
|
PRBool aDontTouchContent)
|
|
{
|
|
if (!inArrayOfRanges || !outArrayOfNodes) return NS_ERROR_NULL_POINTER;
|
|
|
|
nsresult res = NS_NewISupportsArray(getter_AddRefs(*outArrayOfNodes));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
PRUint32 rangeCount;
|
|
res = inArrayOfRanges->Count(&rangeCount);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
PRInt32 i;
|
|
nsCOMPtr<nsIDOMRange> opRange;
|
|
nsCOMPtr<nsISupports> isupports;
|
|
nsCOMPtr<nsIContentIterator> iter;
|
|
|
|
for (i = 0; i < (PRInt32)rangeCount; i++)
|
|
{
|
|
isupports = (dont_AddRef)(inArrayOfRanges->ElementAt(i));
|
|
opRange = do_QueryInterface(isupports);
|
|
res = nsComponentManager::CreateInstance(kSubtreeIteratorCID,
|
|
nsnull,
|
|
NS_GET_IID(nsIContentIterator),
|
|
getter_AddRefs(iter));
|
|
if (NS_FAILED(res)) return res;
|
|
res = iter->Init(opRange);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
while (NS_ENUMERATOR_FALSE == iter->IsDone())
|
|
{
|
|
nsCOMPtr<nsIDOMNode> node;
|
|
nsCOMPtr<nsIContent> content;
|
|
res = iter->CurrentNode(getter_AddRefs(content));
|
|
if (NS_FAILED(res)) return res;
|
|
node = do_QueryInterface(content);
|
|
if (!node) return NS_ERROR_FAILURE;
|
|
isupports = do_QueryInterface(node);
|
|
(*outArrayOfNodes)->AppendElement(isupports);
|
|
res = iter->Next();
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
// post process the list to break up inline containers that contain br's.
|
|
// but only for operations that might care, like making lists or para's...
|
|
if ( (inOperationType == kMakeBasicBlock) ||
|
|
(inOperationType == kMakeList) )
|
|
{
|
|
PRUint32 listCount;
|
|
(*outArrayOfNodes)->Count(&listCount);
|
|
for (i=(PRInt32)listCount-1; i>=0; i--)
|
|
{
|
|
nsCOMPtr<nsISupports> isupports = (dont_AddRef)((*outArrayOfNodes)->ElementAt(i));
|
|
nsCOMPtr<nsIDOMNode> node( do_QueryInterface(isupports) );
|
|
if (!aDontTouchContent && mEditor->IsInlineNode(node) && mEditor->IsContainer(node))
|
|
{
|
|
nsCOMPtr<nsISupportsArray> arrayOfInlines;
|
|
res = BustUpInlinesAtBRs(node, &arrayOfInlines);
|
|
if (NS_FAILED(res)) return res;
|
|
// put these nodes in outArrayOfNodes, replacing the current node
|
|
(*outArrayOfNodes)->RemoveElementAt((PRUint32)i);
|
|
// i sure wish nsISupportsArray had an IsEmpty() and DeleteLastElement()
|
|
// calls. For that matter, if I could just insert one nsISupportsArray
|
|
// into another at a given position, that would do everything I need here.
|
|
PRUint32 iCount;
|
|
arrayOfInlines->Count(&iCount);
|
|
while (iCount)
|
|
{
|
|
iCount--;
|
|
isupports = (dont_AddRef)(arrayOfInlines->ElementAt(iCount));
|
|
(*outArrayOfNodes)->InsertElementAt(isupports, i);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// GetChildNodesForOperation:
|
|
//
|
|
nsresult
|
|
nsHTMLEditRules::GetChildNodesForOperation(nsIDOMNode *inNode,
|
|
nsCOMPtr<nsISupportsArray> *outArrayOfNodes)
|
|
{
|
|
if (!inNode || !outArrayOfNodes) return NS_ERROR_NULL_POINTER;
|
|
|
|
nsresult res = NS_NewISupportsArray(getter_AddRefs(*outArrayOfNodes));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
nsCOMPtr<nsIDOMNodeList> childNodes;
|
|
res = inNode->GetChildNodes(getter_AddRefs(childNodes));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!childNodes) return NS_ERROR_NULL_POINTER;
|
|
PRUint32 childCount;
|
|
res = childNodes->GetLength(&childCount);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
PRUint32 i;
|
|
nsCOMPtr<nsIDOMNode> node;
|
|
nsCOMPtr<nsISupports> isupports;
|
|
for (i = 0; i < childCount; i++)
|
|
{
|
|
res = childNodes->Item( i, getter_AddRefs(node));
|
|
if (!node) return NS_ERROR_FAILURE;
|
|
isupports = do_QueryInterface(node);
|
|
(*outArrayOfNodes)->AppendElement(isupports);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// GetListActionNodes:
|
|
//
|
|
nsresult
|
|
nsHTMLEditRules::GetListActionNodes(nsCOMPtr<nsISupportsArray> *outArrayOfNodes,
|
|
PRBool aDontTouchContent)
|
|
{
|
|
if (!outArrayOfNodes) return NS_ERROR_NULL_POINTER;
|
|
|
|
nsCOMPtr<nsIDOMSelection>selection;
|
|
nsresult res = mEditor->GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
nsCOMPtr<nsISupportsArray> arrayOfRanges;
|
|
res = GetPromotedRanges(selection, &arrayOfRanges, kMakeList);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// use these ranges to contruct a list of nodes to act on.
|
|
res = GetNodesForOperation(arrayOfRanges, outArrayOfNodes, kMakeList, aDontTouchContent);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// pre process our list of nodes...
|
|
PRUint32 listCount;
|
|
PRInt32 i;
|
|
(*outArrayOfNodes)->Count(&listCount);
|
|
for (i=(PRInt32)listCount-1; i>=0; i--)
|
|
{
|
|
nsCOMPtr<nsISupports> isupports = (dont_AddRef)((*outArrayOfNodes)->ElementAt(i));
|
|
nsCOMPtr<nsIDOMNode> testNode( do_QueryInterface(isupports ) );
|
|
|
|
// Remove all non-editable nodes. Leave them be.
|
|
if (!mEditor->IsEditable(testNode))
|
|
{
|
|
(*outArrayOfNodes)->RemoveElementAt(i);
|
|
}
|
|
|
|
// scan for table elements. If we find table elements other than table,
|
|
// replace it with a list of any editable non-table content.
|
|
if (mEditor->IsTableElement(testNode) && !mEditor->IsTable(testNode))
|
|
{
|
|
(*outArrayOfNodes)->RemoveElementAt(i);
|
|
res = GetInnerContent(testNode, *outArrayOfNodes, PR_FALSE);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// GetDefinitionListItemTypes:
|
|
//
|
|
nsresult
|
|
nsHTMLEditRules::GetDefinitionListItemTypes(nsIDOMNode *aNode, PRBool &aDT, PRBool &aDD)
|
|
{
|
|
if (!aNode) return NS_ERROR_NULL_POINTER;
|
|
aDT = aDD = PR_FALSE;
|
|
nsresult res = NS_OK;
|
|
nsCOMPtr<nsIDOMNode> child, temp;
|
|
res = aNode->GetFirstChild(getter_AddRefs(child));
|
|
while (child && NS_SUCCEEDED(res))
|
|
{
|
|
if (mEditor->NodeIsType(child,nsIEditProperty::dt)) aDT = PR_TRUE;
|
|
else if (mEditor->NodeIsType(child,nsIEditProperty::dd)) aDD = PR_TRUE;
|
|
res = child->GetNextSibling(getter_AddRefs(temp));
|
|
child = temp;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// GetParagraphFormatNodes:
|
|
//
|
|
nsresult
|
|
nsHTMLEditRules::GetParagraphFormatNodes(nsCOMPtr<nsISupportsArray> *outArrayOfNodes,
|
|
PRBool aDontTouchContent)
|
|
{
|
|
if (!outArrayOfNodes) return NS_ERROR_NULL_POINTER;
|
|
|
|
nsCOMPtr<nsIDOMSelection>selection;
|
|
nsresult res = mEditor->GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
nsCOMPtr<nsISupportsArray> arrayOfRanges;
|
|
res = GetPromotedRanges(selection, &arrayOfRanges, kMakeList);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// use these ranges to contruct a list of nodes to act on.
|
|
res = GetNodesForOperation(arrayOfRanges, outArrayOfNodes, kMakeBasicBlock, aDontTouchContent);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// pre process our list of nodes...
|
|
PRUint32 listCount;
|
|
PRInt32 i;
|
|
(*outArrayOfNodes)->Count(&listCount);
|
|
for (i=(PRInt32)listCount-1; i>=0; i--)
|
|
{
|
|
nsCOMPtr<nsISupports> isupports = (dont_AddRef)((*outArrayOfNodes)->ElementAt(i));
|
|
nsCOMPtr<nsIDOMNode> testNode( do_QueryInterface(isupports ) );
|
|
|
|
// Remove all non-editable nodes. Leave them be.
|
|
if (!mEditor->IsEditable(testNode))
|
|
{
|
|
(*outArrayOfNodes)->RemoveElementAt(i);
|
|
}
|
|
|
|
// scan for table elements. If we find table elements other than table,
|
|
// replace it with a list of any editable non-table content. Ditto for list elements.
|
|
if (mEditor->IsTableElement(testNode) ||
|
|
nsHTMLEditUtils::IsList(testNode) ||
|
|
nsHTMLEditUtils::IsListItem(testNode) )
|
|
{
|
|
(*outArrayOfNodes)->RemoveElementAt(i);
|
|
res = GetInnerContent(testNode, *outArrayOfNodes);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// BustUpInlinesAtBRs:
|
|
//
|
|
nsresult
|
|
nsHTMLEditRules::BustUpInlinesAtBRs(nsIDOMNode *inNode,
|
|
nsCOMPtr<nsISupportsArray> *outArrayOfNodes)
|
|
{
|
|
if (!inNode || !outArrayOfNodes) return NS_ERROR_NULL_POINTER;
|
|
|
|
nsresult res = NS_NewISupportsArray(getter_AddRefs(*outArrayOfNodes));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// first step is to build up a list of all the break nodes inside
|
|
// the inline container.
|
|
nsCOMPtr<nsISupportsArray> arrayOfBreaks;
|
|
res = NS_NewISupportsArray(getter_AddRefs(arrayOfBreaks));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
nsCOMPtr<nsIContentIterator> iter;
|
|
nsCOMPtr<nsIContent> cNode = do_QueryInterface(inNode);
|
|
res = nsComponentManager::CreateInstance(kContentIteratorCID,
|
|
nsnull,
|
|
NS_GET_IID(nsIContentIterator),
|
|
getter_AddRefs(iter));
|
|
if (NS_FAILED(res)) return res;
|
|
res = iter->Init(cNode);
|
|
if (NS_FAILED(res)) return res;
|
|
nsCOMPtr<nsISupports> isupports;
|
|
|
|
while (NS_ENUMERATOR_FALSE == iter->IsDone())
|
|
{
|
|
nsCOMPtr<nsIDOMNode> node;
|
|
nsCOMPtr<nsIContent> content;
|
|
res = iter->CurrentNode(getter_AddRefs(content));
|
|
if (NS_FAILED(res)) return res;
|
|
node = do_QueryInterface(content);
|
|
if (!node) return NS_ERROR_FAILURE;
|
|
if (nsHTMLEditUtils::IsBreak(node))
|
|
{
|
|
isupports = do_QueryInterface(node);
|
|
arrayOfBreaks->AppendElement(isupports);
|
|
}
|
|
res = iter->Next();
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
|
|
// if there aren't and breaks, just put inNode itself in the array
|
|
PRUint32 listCount;
|
|
arrayOfBreaks->Count(&listCount);
|
|
if (!listCount)
|
|
{
|
|
isupports = do_QueryInterface(inNode);
|
|
(*outArrayOfNodes)->AppendElement(isupports);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
else
|
|
{
|
|
// else we need to bust up inNode along all the breaks
|
|
nsCOMPtr<nsIDOMNode> breakNode;
|
|
nsCOMPtr<nsIDOMNode> inlineParentNode;
|
|
nsCOMPtr<nsIDOMNode> leftNode;
|
|
nsCOMPtr<nsIDOMNode> rightNode;
|
|
nsCOMPtr<nsIDOMNode> splitDeepNode = inNode;
|
|
nsCOMPtr<nsIDOMNode> splitParentNode;
|
|
PRInt32 splitOffset, resultOffset, i;
|
|
inNode->GetParentNode(getter_AddRefs(inlineParentNode));
|
|
|
|
for (i=0; i< (PRInt32)listCount; i++)
|
|
{
|
|
isupports = (dont_AddRef)(arrayOfBreaks->ElementAt(i));
|
|
breakNode = do_QueryInterface(isupports);
|
|
if (!breakNode) return NS_ERROR_NULL_POINTER;
|
|
if (!splitDeepNode) return NS_ERROR_NULL_POINTER;
|
|
res = nsEditor::GetNodeLocation(breakNode, &splitParentNode, &splitOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mEditor->SplitNodeDeep(splitDeepNode, splitParentNode, splitOffset,
|
|
&resultOffset, &leftNode, &rightNode);
|
|
if (NS_FAILED(res)) return res;
|
|
// put left node in node list
|
|
if (leftNode)
|
|
{
|
|
// might not be a left node. a break might have been at the very
|
|
// beginning of inline container, in which case splitnodedeep
|
|
// would not actually split anything
|
|
isupports = do_QueryInterface(leftNode);
|
|
(*outArrayOfNodes)->AppendElement(isupports);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
// move break outside of container and also put in node list
|
|
res = mEditor->MoveNode(breakNode, inlineParentNode, resultOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
isupports = do_QueryInterface(breakNode);
|
|
(*outArrayOfNodes)->AppendElement(isupports);
|
|
if (NS_FAILED(res)) return res;
|
|
// now rightNode becomes the new node to split
|
|
splitDeepNode = rightNode;
|
|
}
|
|
// now tack on remaining rightNode, if any, to the list
|
|
if (rightNode)
|
|
{
|
|
isupports = do_QueryInterface(rightNode);
|
|
(*outArrayOfNodes)->AppendElement(isupports);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// MakeTransitionList: detect all the transitions in the array, where a
|
|
// transition means that adjacent nodes in the array
|
|
// don't have the same parent.
|
|
//
|
|
nsresult
|
|
nsHTMLEditRules::MakeTransitionList(nsISupportsArray *inArrayOfNodes,
|
|
nsVoidArray *inTransitionArray)
|
|
{
|
|
if (!inArrayOfNodes || !inTransitionArray) return NS_ERROR_NULL_POINTER;
|
|
|
|
PRUint32 listCount;
|
|
PRUint32 i;
|
|
inArrayOfNodes->Count(&listCount);
|
|
nsVoidArray transitionList;
|
|
nsCOMPtr<nsIDOMNode> prevElementParent;
|
|
nsCOMPtr<nsIDOMNode> curElementParent;
|
|
|
|
for (i=0; i<listCount; i++)
|
|
{
|
|
nsCOMPtr<nsISupports> isupports = (dont_AddRef)(inArrayOfNodes->ElementAt(i));
|
|
nsCOMPtr<nsIDOMNode> transNode( do_QueryInterface(isupports ) );
|
|
transNode->GetParentNode(getter_AddRefs(curElementParent));
|
|
if (curElementParent != prevElementParent)
|
|
{
|
|
// different parents, or seperated by <br>: transition point
|
|
inTransitionArray->InsertElementAt((void*)PR_TRUE,i);
|
|
}
|
|
else
|
|
{
|
|
// same parents: these nodes grew up together
|
|
inTransitionArray->InsertElementAt((void*)PR_FALSE,i);
|
|
}
|
|
prevElementParent = curElementParent;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
|
|
/********************************************************
|
|
* main implementation methods
|
|
********************************************************/
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// InsertTab: top level logic for determining how to insert a tab
|
|
//
|
|
nsresult
|
|
nsHTMLEditRules::InsertTab(nsIDOMSelection *aSelection,
|
|
nsString *outString)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> parentNode;
|
|
PRInt32 offset;
|
|
PRBool isPRE;
|
|
|
|
nsresult res = mEditor->GetStartNodeAndOffset(aSelection, &parentNode, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
if (!parentNode) return NS_ERROR_FAILURE;
|
|
|
|
res = mEditor->IsPreformatted(parentNode, &isPRE);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
if (isPRE)
|
|
{
|
|
outString->AssignWithConversion('\t');
|
|
}
|
|
else
|
|
{
|
|
// number of spaces should be a pref?
|
|
// note that we dont play around with nbsps here anymore.
|
|
// let the AfterEdit whitespace cleanup code handle it.
|
|
outString->AssignWithConversion(" ");
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// ReturnInHeader: do the right thing for returns pressed in headers
|
|
//
|
|
nsresult
|
|
nsHTMLEditRules::ReturnInHeader(nsIDOMSelection *aSelection,
|
|
nsIDOMNode *aHeader,
|
|
nsIDOMNode *aNode,
|
|
PRInt32 aOffset)
|
|
{
|
|
if (!aSelection || !aHeader || !aNode) return NS_ERROR_NULL_POINTER;
|
|
|
|
// remeber where the header is
|
|
nsCOMPtr<nsIDOMNode> headerParent;
|
|
PRInt32 offset;
|
|
nsresult res = nsEditor::GetNodeLocation(aHeader, &headerParent, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// split the header
|
|
PRInt32 newOffset;
|
|
res = mEditor->SplitNodeDeep( aHeader, aNode, aOffset, &newOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// if the leftand heading is empty, put a mozbr in it
|
|
nsCOMPtr<nsIDOMNode> prevItem;
|
|
mEditor->GetPriorHTMLSibling(aHeader, &prevItem);
|
|
if (prevItem && nsHTMLEditUtils::IsHeader(prevItem))
|
|
{
|
|
PRBool bIsEmptyNode;
|
|
res = IsEmptyNode(prevItem, &bIsEmptyNode);
|
|
if (NS_FAILED(res)) return res;
|
|
if (bIsEmptyNode)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> brNode;
|
|
res = CreateMozBR(prevItem, 0, &brNode);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
|
|
// if the new (righthand) header node is empty, delete it
|
|
PRBool isEmpty;
|
|
res = IsEmptyBlock(aHeader, &isEmpty, PR_TRUE);
|
|
if (NS_FAILED(res)) return res;
|
|
if (isEmpty)
|
|
{
|
|
res = mEditor->DeleteNode(aHeader);
|
|
if (NS_FAILED(res)) return res;
|
|
// layout tells the caret to blink in a weird place
|
|
// if we dont place a break after the header.
|
|
nsCOMPtr<nsIDOMNode> sibling;
|
|
res = mEditor->GetNextHTMLSibling(headerParent, offset+1, &sibling);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!sibling || !nsHTMLEditUtils::IsBreak(sibling))
|
|
{
|
|
res = CreateMozBR(headerParent, offset+1, &sibling);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
res = nsEditor::GetNodeLocation(sibling, &headerParent, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
// put selection after break
|
|
res = aSelection->Collapse(headerParent,offset+1);
|
|
}
|
|
else
|
|
{
|
|
// put selection at front of righthand heading
|
|
res = aSelection->Collapse(aHeader,0);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// ReturnInParagraph: do the right thing for returns pressed in paragraphs
|
|
//
|
|
nsresult
|
|
nsHTMLEditRules::ReturnInParagraph(nsIDOMSelection *aSelection,
|
|
nsIDOMNode *aPara,
|
|
nsIDOMNode *aNode,
|
|
PRInt32 aOffset,
|
|
PRBool *aCancel,
|
|
PRBool *aHandled)
|
|
{
|
|
if (!aSelection || !aPara || !aNode || !aCancel || !aHandled)
|
|
{ return NS_ERROR_NULL_POINTER; }
|
|
*aCancel = PR_FALSE;
|
|
*aHandled = PR_FALSE;
|
|
|
|
nsCOMPtr<nsIDOMNode> sibling;
|
|
nsresult res = NS_OK;
|
|
|
|
// easy case, in a text node:
|
|
if (mEditor->IsTextNode(aNode))
|
|
{
|
|
nsCOMPtr<nsIDOMText> textNode = do_QueryInterface(aNode);
|
|
PRUint32 strLength;
|
|
res = textNode->GetLength(&strLength);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// at beginning of text node?
|
|
if (!aOffset)
|
|
{
|
|
// is there a BR prior to it?
|
|
mEditor->GetPriorHTMLSibling(aNode, &sibling);
|
|
if (!sibling)
|
|
{
|
|
// no previous sib, so
|
|
// just fall out to default of inserting a BR
|
|
return res;
|
|
}
|
|
if (nsHTMLEditUtils::IsBreak(sibling)
|
|
&& !nsHTMLEditUtils::HasMozAttr(sibling))
|
|
{
|
|
PRInt32 newOffset;
|
|
*aCancel = PR_TRUE;
|
|
// split the paragraph
|
|
res = mEditor->SplitNodeDeep( aPara, aNode, aOffset, &newOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
// get rid of the break
|
|
res = mEditor->DeleteNode(sibling);
|
|
if (NS_FAILED(res)) return res;
|
|
// check both halves of para to see if we need mozBR
|
|
res = InsertMozBRIfNeeded(aPara);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mEditor->GetPriorHTMLSibling(aPara, &sibling);
|
|
if (NS_FAILED(res)) return res;
|
|
if (sibling && nsHTMLEditUtils::IsParagraph(sibling))
|
|
{
|
|
res = InsertMozBRIfNeeded(sibling);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
// position selection inside right hand para
|
|
res = aSelection->Collapse(aPara,0);
|
|
}
|
|
// else just fall out to default of inserting a BR
|
|
return res;
|
|
}
|
|
// at end of text node?
|
|
if (aOffset == (PRInt32)strLength)
|
|
{
|
|
// is there a BR after to it?
|
|
res = mEditor->GetNextHTMLSibling(aNode, &sibling);
|
|
if (!sibling)
|
|
{
|
|
// no next sib, so
|
|
// just fall out to default of inserting a BR
|
|
return res;
|
|
}
|
|
if (nsHTMLEditUtils::IsBreak(sibling)
|
|
&& !nsHTMLEditUtils::HasMozAttr(sibling))
|
|
{
|
|
PRInt32 newOffset;
|
|
*aCancel = PR_TRUE;
|
|
// split the paragraph
|
|
res = mEditor->SplitNodeDeep(aPara, aNode, aOffset, &newOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
// get rid of the break
|
|
res = mEditor->DeleteNode(sibling);
|
|
if (NS_FAILED(res)) return res;
|
|
// position selection inside right hand para
|
|
res = aSelection->Collapse(aPara,0);
|
|
}
|
|
// else just fall out to default of inserting a BR
|
|
return res;
|
|
}
|
|
// inside text node
|
|
// just fall out to default of inserting a BR
|
|
return res;
|
|
}
|
|
else
|
|
{
|
|
// not in a text node.
|
|
// is there a BR prior to it?
|
|
nsCOMPtr<nsIDOMNode> nearNode;
|
|
res = mEditor->GetPriorHTMLNode(aNode, aOffset, &nearNode);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!nearNode || !nsHTMLEditUtils::IsBreak(nearNode)
|
|
|| nsHTMLEditUtils::HasMozAttr(nearNode))
|
|
{
|
|
// is there a BR after to it?
|
|
res = mEditor->GetNextHTMLNode(aNode, aOffset, &nearNode);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!nearNode || !nsHTMLEditUtils::IsBreak(nearNode)
|
|
|| nsHTMLEditUtils::HasMozAttr(nearNode))
|
|
{
|
|
// just fall out to default of inserting a BR
|
|
return res;
|
|
}
|
|
}
|
|
// else remove sibling br and split para
|
|
PRInt32 newOffset;
|
|
*aCancel = PR_TRUE;
|
|
// split the paragraph
|
|
res = mEditor->SplitNodeDeep( aPara, aNode, aOffset, &newOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
// get rid of the break
|
|
res = mEditor->DeleteNode(nearNode);
|
|
if (NS_FAILED(res)) return res;
|
|
// selection to beginning of right hand para
|
|
aSelection->Collapse(aPara,0);
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// ReturnInListItem: do the right thing for returns pressed in list items
|
|
//
|
|
nsresult
|
|
nsHTMLEditRules::ReturnInListItem(nsIDOMSelection *aSelection,
|
|
nsIDOMNode *aListItem,
|
|
nsIDOMNode *aNode,
|
|
PRInt32 aOffset)
|
|
{
|
|
if (!aSelection || !aListItem || !aNode) return NS_ERROR_NULL_POINTER;
|
|
nsresult res = NS_OK;
|
|
|
|
nsCOMPtr<nsIDOMNode> listitem;
|
|
|
|
// sanity check
|
|
NS_PRECONDITION(PR_TRUE == nsHTMLEditUtils::IsListItem(aListItem),
|
|
"expected a list item and didnt get one");
|
|
|
|
// if we are in an empty listitem, then we want to pop up out of the list
|
|
PRBool isEmpty;
|
|
res = IsEmptyBlock(aListItem, &isEmpty, PR_TRUE, PR_FALSE);
|
|
if (NS_FAILED(res)) return res;
|
|
if (isEmpty)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> list, listparent;
|
|
PRInt32 offset, itemOffset;
|
|
res = nsEditor::GetNodeLocation(aListItem, &list, &itemOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = nsEditor::GetNodeLocation(list, &listparent, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// are we the last list item in the list?
|
|
PRBool bIsLast;
|
|
res = mEditor->IsLastEditableChild(aListItem, &bIsLast);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!bIsLast)
|
|
{
|
|
// we need to split the list!
|
|
nsCOMPtr<nsIDOMNode> tempNode;
|
|
res = mEditor->SplitNode(list, itemOffset, getter_AddRefs(tempNode));
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
// are we in a sublist?
|
|
if (nsHTMLEditUtils::IsList(listparent)) //in a sublist
|
|
{
|
|
// if so, move this list item out of this list and into the grandparent list
|
|
res = mEditor->MoveNode(aListItem,listparent,offset+1);
|
|
if (NS_FAILED(res)) return res;
|
|
res = aSelection->Collapse(aListItem,0);
|
|
}
|
|
else
|
|
{
|
|
// otherwise kill this listitem
|
|
res = mEditor->DeleteNode(aListItem);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// time to insert a break
|
|
nsCOMPtr<nsIDOMNode> brNode;
|
|
res = CreateMozBR(listparent, offset+1, &brNode);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// set selection to before the moz br
|
|
aSelection->SetHint(PR_TRUE);
|
|
res = aSelection->Collapse(listparent,offset+1);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
// else we want a new list item at the same list level
|
|
PRInt32 newOffset;
|
|
res = mEditor->SplitNodeDeep( aListItem, aNode, aOffset, &newOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
// hack: until I can change the damaged doc range code back to being
|
|
// extra inclusive, I have to manually detect certain list items that
|
|
// may be left empty.
|
|
nsCOMPtr<nsIDOMNode> prevItem;
|
|
mEditor->GetPriorHTMLSibling(aListItem, &prevItem);
|
|
if (prevItem && nsHTMLEditUtils::IsListItem(prevItem))
|
|
{
|
|
PRBool bIsEmptyNode;
|
|
res = IsEmptyNode(prevItem, &bIsEmptyNode);
|
|
if (NS_FAILED(res)) return res;
|
|
if (bIsEmptyNode)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> brNode;
|
|
res = CreateMozBR(prevItem, 0, &brNode);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
res = aSelection->Collapse(aListItem,0);
|
|
return res;
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// ShouldMakeEmptyBlock: determine if a block transformation should make
|
|
// a new empty block, or instead transform a block
|
|
//
|
|
nsresult
|
|
nsHTMLEditRules::ShouldMakeEmptyBlock(nsIDOMSelection *aSelection,
|
|
const nsString *blockTag,
|
|
PRBool *outMakeEmpty)
|
|
{
|
|
// a note about strategy:
|
|
// this routine will be called by the rules code to figure out
|
|
// if it should do something, or let the nsHTMLEditor default
|
|
// action happen. The default action is to insert a new block.
|
|
// Note that if _nothing_ should happen, ie, the selection is
|
|
// already entireyl inside a block (or blocks) or the correct type,
|
|
// then you don't want to return true in outMakeEmpty, since the
|
|
// default code will insert a new empty block anyway, rather than
|
|
// doing nothing. So we have to detect that case and return false.
|
|
|
|
if (!aSelection || !outMakeEmpty) return NS_ERROR_NULL_POINTER;
|
|
nsresult res = NS_OK;
|
|
|
|
// if the selection is collapsed, and
|
|
// if we in the body, or after a <br> with
|
|
// no more inline content before the next block,
|
|
// or in an empty block (empty td, li, etc), then we want
|
|
// a new block. Otherwise we want to trasform a block
|
|
|
|
// xxx possible bug: selection could be not callapsed, but
|
|
// still empty. it would be nice to have a call for this: IsEmptySelection()
|
|
|
|
PRBool isCollapsed;
|
|
res = aSelection->GetIsCollapsed(&isCollapsed);
|
|
if (NS_FAILED(res)) return res;
|
|
if (isCollapsed)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> parent;
|
|
PRInt32 offset;
|
|
res = nsEditor::GetStartNodeAndOffset(aSelection, &parent, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// is selection point in the body?
|
|
if (nsHTMLEditUtils::IsBody(parent))
|
|
{
|
|
*outMakeEmpty = PR_TRUE;
|
|
return res;
|
|
}
|
|
|
|
// see if block parent is already right kind of block.
|
|
// See strategy comment above.
|
|
nsCOMPtr<nsIDOMNode> block;
|
|
if (!nsEditor::IsBlockNode(parent))
|
|
block = nsEditor::GetBlockNodeParent(parent);
|
|
else
|
|
block = parent;
|
|
if (block)
|
|
{
|
|
nsAutoString tag;
|
|
nsEditor::GetTagString(block,tag);
|
|
if (tag == *blockTag)
|
|
{
|
|
*outMakeEmpty = PR_FALSE;
|
|
return res;
|
|
}
|
|
}
|
|
|
|
// are we in a textnode or inline node?
|
|
if (!nsEditor::IsBlockNode(parent))
|
|
{
|
|
// we must be in a text or inline node - convert existing block
|
|
*outMakeEmpty = PR_FALSE;
|
|
return res;
|
|
}
|
|
|
|
// is it after a <br> with no inline nodes after it, or a <br> after it??
|
|
if (offset)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> prevChild, nextChild, tmp;
|
|
prevChild = nsEditor::GetChildAt(parent, offset-1);
|
|
while (prevChild && !mEditor->IsEditable(prevChild))
|
|
{
|
|
// search back until we either find an editable node,
|
|
// or hit the beginning of the block
|
|
tmp = nsEditor::NextNodeInBlock(prevChild, nsEditor::kIterBackward);
|
|
prevChild = tmp;
|
|
}
|
|
|
|
if (prevChild && nsHTMLEditUtils::IsBreak(prevChild))
|
|
{
|
|
nextChild = nsEditor::GetChildAt(parent, offset);
|
|
while (nextChild && !mEditor->IsEditable(nextChild))
|
|
{
|
|
// search back until we either find an editable node,
|
|
// or hit the beginning of the block
|
|
tmp = nsEditor::NextNodeInBlock(nextChild, nsEditor::kIterForward);
|
|
nextChild = tmp;
|
|
}
|
|
if (!nextChild || nsHTMLEditUtils::IsBreak(nextChild)
|
|
|| nsEditor::IsBlockNode(nextChild))
|
|
{
|
|
// we are after a <br> and not before inline content,
|
|
// or we are between <br>s.
|
|
// make an empty block
|
|
*outMakeEmpty = PR_TRUE;
|
|
return res;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// otherwise transform an existing block
|
|
*outMakeEmpty = PR_FALSE;
|
|
return res;
|
|
}
|
|
|
|
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// MakeBlockquote: put the list of nodes into one or more blockquotes.
|
|
//
|
|
nsresult
|
|
nsHTMLEditRules::MakeBlockquote(nsISupportsArray *arrayOfNodes)
|
|
{
|
|
// the idea here is to put the nodes into a minimal number of
|
|
// blockquotes. When the user blockquotes something, they expect
|
|
// one blockquote. That may not be possible (for instance, if they
|
|
// have two table cells selected, you need two blockquotes inside the cells).
|
|
|
|
if (!arrayOfNodes) return NS_ERROR_NULL_POINTER;
|
|
nsresult res = NS_OK;
|
|
|
|
nsCOMPtr<nsIDOMNode> curNode, curParent, curBlock, newBlock;
|
|
PRInt32 offset;
|
|
PRUint32 listCount;
|
|
|
|
arrayOfNodes->Count(&listCount);
|
|
nsCOMPtr<nsIDOMNode> prevParent;
|
|
|
|
PRUint32 i;
|
|
for (i=0; i<listCount; i++)
|
|
{
|
|
// get the node to act on, and it's location
|
|
nsCOMPtr<nsISupports> isupports = (dont_AddRef)(arrayOfNodes->ElementAt(i));
|
|
curNode = do_QueryInterface(isupports);
|
|
res = nsEditor::GetNodeLocation(curNode, &curParent, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// if the node is a table element or list item, dive inside
|
|
if ( (mEditor->IsTableElement(curNode) && !(mEditor->IsTable(curNode))) ||
|
|
nsHTMLEditUtils::IsListItem(curNode) )
|
|
{
|
|
curBlock = 0; // forget any previous block
|
|
// recursion time
|
|
nsCOMPtr<nsISupportsArray> childArray;
|
|
res = GetChildNodesForOperation(curNode, &childArray);
|
|
if (NS_FAILED(res)) return res;
|
|
res = MakeBlockquote(childArray);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
|
|
// if the node has different parent than previous node,
|
|
// further nodes in a new parent
|
|
if (prevParent)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> curParent;
|
|
curNode->GetParentNode(getter_AddRefs(curParent));
|
|
if (curParent != prevParent)
|
|
{
|
|
curBlock = 0; // forget any previous blockquote node we were using
|
|
prevParent = curParent;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
curNode->GetParentNode(getter_AddRefs(prevParent));
|
|
}
|
|
|
|
// if no curBlock, make one
|
|
if (!curBlock)
|
|
{
|
|
nsAutoString quoteType; quoteType.AssignWithConversion("blockquote");
|
|
res = SplitAsNeeded("eType, &curParent, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mEditor->CreateNode(quoteType, curParent, offset, getter_AddRefs(curBlock));
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
|
|
PRUint32 blockLen;
|
|
res = mEditor->GetLengthOfDOMNode(curBlock, blockLen);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mEditor->MoveNode(curNode, curBlock, blockLen);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// ApplyBlockStyle: do whatever it takes to make the list of nodes into
|
|
// one or more blocks of type blockTag.
|
|
//
|
|
nsresult
|
|
nsHTMLEditRules::ApplyBlockStyle(nsISupportsArray *arrayOfNodes, const nsString *aBlockTag)
|
|
{
|
|
// intent of this routine is to be used for converting to/from
|
|
// headers, paragraphs, pre, and address. Those blocks
|
|
// that pretty much just contain inline things...
|
|
|
|
if (!arrayOfNodes || !aBlockTag) return NS_ERROR_NULL_POINTER;
|
|
nsresult res = NS_OK;
|
|
|
|
nsCOMPtr<nsIDOMNode> curNode, curParent, curBlock, newBlock;
|
|
PRInt32 offset;
|
|
PRUint32 listCount;
|
|
PRBool bNoParent = PR_FALSE;
|
|
|
|
// we special case an empty tag name to mean "remove block parents".
|
|
// This is used for the "normal" paragraph style in mail-compose
|
|
if (aBlockTag->IsEmpty() || aBlockTag->EqualsWithConversion("normal")) bNoParent = PR_TRUE;
|
|
|
|
arrayOfNodes->Count(&listCount);
|
|
|
|
PRUint32 i;
|
|
for (i=0; i<listCount; i++)
|
|
{
|
|
// get the node to act on, and it's location
|
|
nsCOMPtr<nsISupports> isupports = (dont_AddRef)(arrayOfNodes->ElementAt(i));
|
|
curNode = do_QueryInterface(isupports);
|
|
res = nsEditor::GetNodeLocation(curNode, &curParent, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
nsAutoString curNodeTag;
|
|
nsEditor::GetTagString(curNode, curNodeTag);
|
|
|
|
|
|
// is it already the right kind of block?
|
|
if (!bNoParent && curNodeTag == *aBlockTag)
|
|
{
|
|
curBlock = 0; // forget any previous block used for previous inline nodes
|
|
continue; // do nothing to this block
|
|
}
|
|
|
|
// if curNode is a mozdiv, p, header, address, or pre, replace
|
|
// it with a new block of correct type.
|
|
// xxx floppy moose: pre cant hold everything the others can
|
|
if (nsHTMLEditUtils::IsMozDiv(curNode) ||
|
|
(curNodeTag.EqualsWithConversion("pre")) ||
|
|
(curNodeTag.EqualsWithConversion("p")) ||
|
|
(curNodeTag.EqualsWithConversion("h1")) ||
|
|
(curNodeTag.EqualsWithConversion("h2")) ||
|
|
(curNodeTag.EqualsWithConversion("h3")) ||
|
|
(curNodeTag.EqualsWithConversion("h4")) ||
|
|
(curNodeTag.EqualsWithConversion("h5")) ||
|
|
(curNodeTag.EqualsWithConversion("h6")) ||
|
|
(curNodeTag.EqualsWithConversion("address")))
|
|
{
|
|
curBlock = 0; // forget any previous block used for previous inline nodes
|
|
if (bNoParent)
|
|
{
|
|
// make sure we have a normal br at end of block
|
|
res = AddTerminatingBR(curNode);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mEditor->RemoveContainer(curNode);
|
|
}
|
|
else
|
|
{
|
|
res = mEditor->ReplaceContainer(curNode, &newBlock, *aBlockTag);
|
|
}
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
else if ((curNodeTag.EqualsWithConversion("table")) ||
|
|
(curNodeTag.EqualsWithConversion("tbody")) ||
|
|
(curNodeTag.EqualsWithConversion("tr")) ||
|
|
(curNodeTag.EqualsWithConversion("td")) ||
|
|
(curNodeTag.EqualsWithConversion("ol")) ||
|
|
(curNodeTag.EqualsWithConversion("ul")) ||
|
|
(curNodeTag.EqualsWithConversion("li")) ||
|
|
(curNodeTag.EqualsWithConversion("blockquote")) ||
|
|
(curNodeTag.EqualsWithConversion("div"))) // div's other than mozdivs
|
|
{
|
|
curBlock = 0; // forget any previous block used for previous inline nodes
|
|
// recursion time
|
|
nsCOMPtr<nsISupportsArray> childArray;
|
|
res = GetChildNodesForOperation(curNode, &childArray);
|
|
if (NS_FAILED(res)) return res;
|
|
res = ApplyBlockStyle(childArray, aBlockTag);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
|
|
// if the node is a break, we honor it by putting further nodes in a new parent
|
|
else if (curNodeTag.EqualsWithConversion("br"))
|
|
{
|
|
curBlock = 0; // forget any previous block used for previous inline nodes
|
|
if (!bNoParent)
|
|
{
|
|
res = mEditor->DeleteNode(curNode);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
|
|
|
|
// if curNode is inline, pull it into curBlock
|
|
// note: it's assumed that consecutive inline nodes in the
|
|
// arrayOfNodes are actually members of the same block parent.
|
|
// this happens to be true now as a side effect of how
|
|
// arrayOfNodes is contructed, but some additional logic should
|
|
// be added here if that should change
|
|
|
|
else if (nsEditor::IsInlineNode(curNode) && !bNoParent)
|
|
{
|
|
// if curNode is a non editable, drop it if we are going to <pre>
|
|
if ((aBlockTag->EqualsWithConversion("pre")) && (!mEditor->IsEditable(curNode)))
|
|
continue; // do nothing to this block
|
|
|
|
// if no curBlock, make one
|
|
if (!curBlock)
|
|
{
|
|
res = SplitAsNeeded(aBlockTag, &curParent, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mEditor->CreateNode(*aBlockTag, curParent, offset, getter_AddRefs(curBlock));
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
|
|
// if curNode is a Break, replace it with a return if we are going to <pre>
|
|
// xxx floppy moose
|
|
|
|
// this is a continuation of some inline nodes that belong together in
|
|
// the same block item. use curBlock
|
|
PRUint32 blockLen;
|
|
res = mEditor->GetLengthOfDOMNode(curBlock, blockLen);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mEditor->MoveNode(curNode, curBlock, blockLen);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// SplitAsNeeded: given a tag name, split inOutParent up to the point
|
|
// where we can insert the tag. Adjust inOutParent and
|
|
// inOutOffset to pint to new location for tag.
|
|
nsresult
|
|
nsHTMLEditRules::SplitAsNeeded(const nsString *aTag,
|
|
nsCOMPtr<nsIDOMNode> *inOutParent,
|
|
PRInt32 *inOutOffset)
|
|
{
|
|
if (!aTag || !inOutParent || !inOutOffset) return NS_ERROR_NULL_POINTER;
|
|
if (!*inOutParent) return NS_ERROR_NULL_POINTER;
|
|
nsCOMPtr<nsIDOMNode> tagParent, temp, splitNode, parent = *inOutParent;
|
|
nsresult res = NS_OK;
|
|
|
|
// check that we have a place that can legally contain the tag
|
|
while (!tagParent)
|
|
{
|
|
// sniffing up the parent tree until we find
|
|
// a legal place for the block
|
|
if (!parent) break;
|
|
if (mEditor->CanContainTag(parent, *aTag))
|
|
{
|
|
tagParent = parent;
|
|
break;
|
|
}
|
|
splitNode = parent;
|
|
parent->GetParentNode(getter_AddRefs(temp));
|
|
parent = temp;
|
|
}
|
|
if (!tagParent)
|
|
{
|
|
// could not find a place to build tag!
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
if (splitNode)
|
|
{
|
|
// we found a place for block, but above inOutParent. We need to split nodes.
|
|
res = mEditor->SplitNodeDeep(splitNode, *inOutParent, *inOutOffset, inOutOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
*inOutParent = tagParent;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// AddTerminatingBR: place an ordinary br node at the end of aBlock,
|
|
// if it doens't already have one. If it has a moz-BR,
|
|
// simply convertit to a normal br.
|
|
nsresult
|
|
nsHTMLEditRules::AddTerminatingBR(nsIDOMNode *aBlock)
|
|
{
|
|
if (!aBlock) return NS_ERROR_NULL_POINTER;
|
|
nsCOMPtr<nsIDOMNode> last;
|
|
nsresult res = mEditor->GetLastEditableChild(aBlock, &last);
|
|
if (last && nsHTMLEditUtils::IsBreak(last))
|
|
{
|
|
if (nsHTMLEditUtils::IsMozBR(last))
|
|
{
|
|
// need to convert a br
|
|
nsCOMPtr<nsIDOMElement> elem = do_QueryInterface(last);
|
|
res = mEditor->RemoveAttribute(elem, NS_ConvertASCIItoUCS2("type"));
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
else // we have what we want, we're done
|
|
{
|
|
return res;
|
|
}
|
|
}
|
|
else // need to add a br
|
|
{
|
|
PRUint32 len;
|
|
nsCOMPtr<nsIDOMNode> brNode;
|
|
res = mEditor->GetLengthOfDOMNode(aBlock, len);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mEditor->CreateBR(aBlock, len, &brNode);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// JoinNodesSmart: join two nodes, doing whatever makes sense for their
|
|
// children (which often means joining them, too).
|
|
// aNodeLeft & aNodeRight must be same type of node.
|
|
nsresult
|
|
nsHTMLEditRules::JoinNodesSmart( nsIDOMNode *aNodeLeft,
|
|
nsIDOMNode *aNodeRight,
|
|
nsCOMPtr<nsIDOMNode> *aOutMergeParent,
|
|
PRInt32 *aOutMergeOffset)
|
|
{
|
|
// check parms
|
|
if (!aNodeLeft ||
|
|
!aNodeRight ||
|
|
!aOutMergeParent ||
|
|
!aOutMergeOffset)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
nsresult res = NS_OK;
|
|
// caller responsible for:
|
|
// left & right node are same type
|
|
PRInt32 parOffset;
|
|
nsCOMPtr<nsIDOMNode> parent, rightParent;
|
|
res = nsEditor::GetNodeLocation(aNodeLeft, &parent, &parOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
aNodeRight->GetParentNode(getter_AddRefs(rightParent));
|
|
|
|
// if they don't have the same parent, first move the 'right' node
|
|
// to after the 'left' one
|
|
if (parent != rightParent)
|
|
{
|
|
res = mEditor->MoveNode(aNodeRight, parent, parOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
|
|
// defaults for outParams
|
|
*aOutMergeParent = aNodeRight;
|
|
res = mEditor->GetLengthOfDOMNode(aNodeLeft, *((PRUint32*)aOutMergeOffset));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// seperate join rules for differing blocks
|
|
if (nsHTMLEditUtils::IsParagraph(aNodeLeft))
|
|
{
|
|
// for para's, merge deep & add a <br> after merging
|
|
res = mEditor->JoinNodeDeep(aNodeLeft, aNodeRight, aOutMergeParent, aOutMergeOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
// now we need to insert a br.
|
|
nsCOMPtr<nsIDOMNode> brNode;
|
|
res = mEditor->CreateBR(*aOutMergeParent, *aOutMergeOffset, &brNode);
|
|
if (NS_FAILED(res)) return res;
|
|
res = nsEditor::GetNodeLocation(brNode, aOutMergeParent, aOutMergeOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
(*aOutMergeOffset)++;
|
|
return res;
|
|
}
|
|
else if (nsHTMLEditUtils::IsList(aNodeLeft)
|
|
|| mEditor->IsTextNode(aNodeLeft))
|
|
{
|
|
// for list's, merge shallow (wouldn't want to combine list items)
|
|
res = mEditor->JoinNodes(aNodeLeft, aNodeRight, parent);
|
|
if (NS_FAILED(res)) return res;
|
|
return res;
|
|
}
|
|
else
|
|
{
|
|
// remember the last left child, and firt right child
|
|
nsCOMPtr<nsIDOMNode> lastLeft, firstRight;
|
|
res = mEditor->GetLastEditableChild(aNodeLeft, &lastLeft);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mEditor->GetFirstEditableChild(aNodeRight, &firstRight);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// for list items, divs, etc, merge smart
|
|
res = mEditor->JoinNodes(aNodeLeft, aNodeRight, parent);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
if (lastLeft && firstRight && mEditor->NodesSameType(lastLeft, firstRight))
|
|
{
|
|
return JoinNodesSmart(lastLeft, firstRight, aOutMergeParent, aOutMergeOffset);
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsHTMLEditRules::GetTopEnclosingMailCite(nsIDOMNode *aNode, nsCOMPtr<nsIDOMNode> *aOutCiteNode)
|
|
{
|
|
// check parms
|
|
if (!aNode || !aOutCiteNode)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
nsresult res = NS_OK;
|
|
nsCOMPtr<nsIDOMNode> node, parentNode;
|
|
node = do_QueryInterface(aNode);
|
|
|
|
while (node)
|
|
{
|
|
if (nsHTMLEditUtils::IsMailCite(node)) *aOutCiteNode = node;
|
|
if (nsHTMLEditUtils::IsBody(node)) break;
|
|
|
|
res = node->GetParentNode(getter_AddRefs(parentNode));
|
|
if (NS_FAILED(res)) return res;
|
|
node = parentNode;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsHTMLEditRules::AdjustSpecialBreaks()
|
|
{
|
|
nsCOMPtr<nsIContentIterator> iter;
|
|
nsCOMPtr<nsISupportsArray> arrayOfNodes;
|
|
nsCOMPtr<nsISupports> isupports;
|
|
PRUint32 nodeCount,j;
|
|
|
|
// make an isupportsArray to hold a list of nodes
|
|
nsresult res = NS_NewISupportsArray(getter_AddRefs(arrayOfNodes));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// need an iterator
|
|
res = nsComponentManager::CreateInstance(kContentIteratorCID,
|
|
nsnull,
|
|
NS_GET_IID(nsIContentIterator),
|
|
getter_AddRefs(iter));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// loop over iter and create list of empty containers
|
|
res = iter->Init(mDocChangeRange);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// gather up a list of empty nodes
|
|
while (NS_ENUMERATOR_FALSE == iter->IsDone())
|
|
{
|
|
nsCOMPtr<nsIDOMNode> node;
|
|
nsCOMPtr<nsIContent> content;
|
|
res = iter->CurrentNode(getter_AddRefs(content));
|
|
if (NS_FAILED(res)) return res;
|
|
node = do_QueryInterface(content);
|
|
if (!node) return NS_ERROR_FAILURE;
|
|
|
|
PRBool bIsEmptyNode;
|
|
res = IsEmptyNode(node, &bIsEmptyNode, PR_FALSE, PR_FALSE);
|
|
if (NS_FAILED(res)) return res;
|
|
if (bIsEmptyNode
|
|
&& (nsHTMLEditUtils::IsListItem(node) || mEditor->IsTableCell(node)))
|
|
{
|
|
isupports = do_QueryInterface(node);
|
|
arrayOfNodes->AppendElement(isupports);
|
|
}
|
|
|
|
res = iter->Next();
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
|
|
// put moz-br's into these empty li's and td's
|
|
res = arrayOfNodes->Count(&nodeCount);
|
|
if (NS_FAILED(res)) return res;
|
|
for (j = 0; j < nodeCount; j++)
|
|
{
|
|
isupports = (dont_AddRef)(arrayOfNodes->ElementAt(0));
|
|
nsCOMPtr<nsIDOMNode> brNode, theNode( do_QueryInterface(isupports ) );
|
|
arrayOfNodes->RemoveElementAt(0);
|
|
res = CreateMozBR(theNode, 0, &brNode);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsHTMLEditRules::AdjustWhitespace(nsIDOMSelection *aSelection)
|
|
{
|
|
nsCOMPtr<nsIContentIterator> iter;
|
|
nsCOMPtr<nsISupportsArray> arrayOfNodes;
|
|
nsCOMPtr<nsISupports> isupports;
|
|
PRUint32 nodeCount,j;
|
|
nsresult res;
|
|
|
|
nsAutoSelectionReset selectionResetter(aSelection, mEditor);
|
|
|
|
// special case for mDocChangeRange entirely in one text node.
|
|
// This is an efficiency hack for normal typing in the editor.
|
|
nsCOMPtr<nsIDOMNode> startNode, endNode;
|
|
PRInt32 startOffset, endOffset;
|
|
res = mDocChangeRange->GetStartParent(getter_AddRefs(startNode));
|
|
if (NS_FAILED(res)) return res;
|
|
res = mDocChangeRange->GetStartOffset(&startOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mDocChangeRange->GetEndParent(getter_AddRefs(endNode));
|
|
if (NS_FAILED(res)) return res;
|
|
res = mDocChangeRange->GetEndOffset(&endOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
if (startNode == endNode)
|
|
{
|
|
nsCOMPtr<nsIDOMCharacterData> nodeAsText = do_QueryInterface(startNode);
|
|
if (nodeAsText)
|
|
{
|
|
res = DoTextNodeWhitespace(nodeAsText, startOffset, endOffset);
|
|
return res;
|
|
}
|
|
}
|
|
|
|
// make an isupportsArray to hold a list of nodes
|
|
res = NS_NewISupportsArray(getter_AddRefs(arrayOfNodes));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// need an iterator
|
|
res = nsComponentManager::CreateInstance(kContentIteratorCID,
|
|
nsnull,
|
|
NS_GET_IID(nsIContentIterator),
|
|
getter_AddRefs(iter));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// loop over iter and adjust whitespace in any text nodes we find
|
|
res = iter->Init(mDocChangeRange);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// gather up a list of text nodes
|
|
while (NS_ENUMERATOR_FALSE == iter->IsDone())
|
|
{
|
|
nsCOMPtr<nsIDOMNode> node;
|
|
nsCOMPtr<nsIContent> content;
|
|
res = iter->CurrentNode(getter_AddRefs(content));
|
|
if (NS_FAILED(res)) return res;
|
|
node = do_QueryInterface(content);
|
|
if (!node) return NS_ERROR_FAILURE;
|
|
|
|
if (nsEditor::IsTextNode(node) && mEditor->IsEditable(node))
|
|
{
|
|
isupports = do_QueryInterface(node);
|
|
arrayOfNodes->AppendElement(isupports);
|
|
}
|
|
|
|
res = iter->Next();
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
|
|
// now adjust whitespace on node we found
|
|
res = arrayOfNodes->Count(&nodeCount);
|
|
if (NS_FAILED(res)) return res;
|
|
for (j = 0; j < nodeCount; j++)
|
|
{
|
|
isupports = (dont_AddRef)(arrayOfNodes->ElementAt(0));
|
|
nsCOMPtr<nsIDOMCharacterData> textNode( do_QueryInterface(isupports ) );
|
|
arrayOfNodes->RemoveElementAt(0);
|
|
res = DoTextNodeWhitespace(textNode, -1, -1);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsHTMLEditRules::AdjustSelection(nsIDOMSelection *aSelection, nsIEditor::EDirection aAction)
|
|
{
|
|
if (!aSelection) return NS_ERROR_NULL_POINTER;
|
|
|
|
// if the selection isn't collapsed, do nothing.
|
|
// moose: one thing to do instead is check for the case of
|
|
// only a single break selected, and collapse it. Good thing? Beats me.
|
|
PRBool bCollapsed;
|
|
nsresult res = aSelection->GetIsCollapsed(&bCollapsed);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!bCollapsed) return res;
|
|
|
|
// get the (collapsed) selection location
|
|
nsCOMPtr<nsIDOMNode> selNode, temp;
|
|
PRInt32 selOffset;
|
|
res = mEditor->GetStartNodeAndOffset(aSelection, &selNode, &selOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
temp = selNode;
|
|
|
|
// are we in an editable node?
|
|
while (!mEditor->IsEditable(selNode))
|
|
{
|
|
// scan up the tree until we find an editable place to be
|
|
res = nsEditor::GetNodeLocation(temp, &selNode, &selOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!selNode) return NS_ERROR_FAILURE;
|
|
temp = selNode;
|
|
}
|
|
|
|
// are we in a text node?
|
|
nsCOMPtr<nsIDOMCharacterData> textNode = do_QueryInterface(selNode);
|
|
if (textNode)
|
|
return NS_OK; // we LIKE it when we are in a text node. that RULZ
|
|
|
|
// do we need to insert a special mozBR? We do if we are:
|
|
// 1) that block is same block where selection is AND
|
|
// 2) in a collapsed selection AND
|
|
// 3) after a normal (non-moz) br AND
|
|
// 4) that br is the last editable node in it's block
|
|
|
|
nsCOMPtr<nsIDOMNode> nearNode;
|
|
res = mEditor->GetPriorHTMLNode(selNode, selOffset, &nearNode);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!nearNode) return res;
|
|
|
|
// is nearNode also a descendant of same block?
|
|
nsCOMPtr<nsIDOMNode> block, nearBlock;
|
|
if (mEditor->IsBlockNode(selNode)) block = selNode;
|
|
else block = mEditor->GetBlockNodeParent(selNode);
|
|
nearBlock = mEditor->GetBlockNodeParent(nearNode);
|
|
if (block == nearBlock)
|
|
{
|
|
if (nearNode && nsHTMLEditUtils::IsBreak(nearNode)
|
|
&& !nsHTMLEditUtils::IsMozBR(nearNode))
|
|
{
|
|
PRBool bIsLast;
|
|
res = mEditor->IsLastEditableChild(nearNode, &bIsLast);
|
|
if (NS_FAILED(res)) return res;
|
|
if (bIsLast)
|
|
{
|
|
// need to insert special moz BR. Why? Because if we don't
|
|
// the user will see no new line for the break. Also, things
|
|
// like table cells won't grow in height.
|
|
nsCOMPtr<nsIDOMNode> brNode;
|
|
res = CreateMozBR(selNode, selOffset, &brNode);
|
|
if (NS_FAILED(res)) return res;
|
|
res = nsEditor::GetNodeLocation(brNode, &selNode, &selOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
// selection stays *before* moz-br, sticking to it
|
|
aSelection->SetHint(PR_TRUE);
|
|
res = aSelection->Collapse(selNode,selOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
else
|
|
{
|
|
// ok, the br inst the last child.
|
|
// the br might be right in front of a new block (ie,:
|
|
// <body> text<br> <ol><li>list item</li></ol></body> )
|
|
// in this case we also need moz-br.
|
|
nsCOMPtr<nsIDOMNode> nextNode;
|
|
res = mEditor->GetNextHTMLNode(nearNode, &nextNode);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mEditor->GetNextHTMLSibling(nearNode, &nextNode);
|
|
if (NS_FAILED(res)) return res;
|
|
if (nextNode && mEditor->IsBlockNode(nextNode))
|
|
{
|
|
// need to insert special moz BR. Why? Because if we don't
|
|
// the user will see no new line for the break.
|
|
nsCOMPtr<nsIDOMNode> brNode;
|
|
res = CreateMozBR(selNode, selOffset, &brNode);
|
|
if (NS_FAILED(res)) return res;
|
|
res = nsEditor::GetNodeLocation(brNode, &selNode, &selOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
// selection stays *before* moz-br, sticking to it
|
|
aSelection->SetHint(PR_TRUE);
|
|
res = aSelection->Collapse(selNode,selOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// we aren't in a textnode: are we adjacent to a break or an image?
|
|
res = mEditor->GetPriorHTMLSibling(selNode, selOffset, &nearNode);
|
|
if (NS_FAILED(res)) return res;
|
|
if (nearNode && (nsHTMLEditUtils::IsBreak(nearNode)
|
|
|| nsHTMLEditUtils::IsImage(nearNode)))
|
|
return NS_OK; // this is a good place for the caret to be
|
|
res = mEditor->GetNextHTMLSibling(selNode, selOffset, &nearNode);
|
|
if (NS_FAILED(res)) return res;
|
|
if (nearNode && (nsHTMLEditUtils::IsBreak(nearNode)
|
|
|| nsHTMLEditUtils::IsImage(nearNode)))
|
|
return NS_OK; // this is a good place for the caret to be
|
|
|
|
// look for a nearby text node.
|
|
// prefer the correct direction.
|
|
res = FindNearSelectableNode(selNode, selOffset, aAction, &nearNode);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
if (!nearNode) return NS_OK; // couldn't find a near text node
|
|
|
|
// is the nearnode a text node?
|
|
textNode = do_QueryInterface(nearNode);
|
|
if (textNode)
|
|
{
|
|
PRInt32 offset = 0;
|
|
// put selection in right place:
|
|
if (aAction == nsIEditor::ePrevious)
|
|
textNode->GetLength((PRUint32*)&offset);
|
|
res = aSelection->Collapse(nearNode,offset);
|
|
}
|
|
else // must be break or image
|
|
{
|
|
res = nsEditor::GetNodeLocation(nearNode, &selNode, &selOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
if (aAction == nsIEditor::ePrevious) selOffset++; // want to be beyond it if we backed up to it
|
|
res = aSelection->Collapse(selNode, selOffset);
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLEditRules::FindNearSelectableNode(nsIDOMNode *aSelNode,
|
|
PRInt32 aSelOffset,
|
|
nsIEditor::EDirection aDirection,
|
|
nsCOMPtr<nsIDOMNode> *outSelectableNode)
|
|
{
|
|
if (!aSelNode || !outSelectableNode) return NS_ERROR_NULL_POINTER;
|
|
*outSelectableNode = nsnull;
|
|
nsresult res = NS_OK;
|
|
|
|
nsCOMPtr<nsIDOMNode> nearNode, curNode;
|
|
if (aDirection == nsIEditor::ePrevious)
|
|
res = mEditor->GetPriorHTMLNode(aSelNode, aSelOffset, &nearNode);
|
|
else
|
|
res = mEditor->GetNextHTMLNode(aSelNode, aSelOffset, &nearNode);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// scan in the right direction until we find an eligible text node,
|
|
// but dont cross any breaks, images, or table elements.
|
|
while (nearNode && !(mEditor->IsTextNode(nearNode)
|
|
|| nsHTMLEditUtils::IsBreak(nearNode)
|
|
|| nsHTMLEditUtils::IsImage(nearNode)))
|
|
{
|
|
curNode = nearNode;
|
|
if (aDirection == nsIEditor::ePrevious)
|
|
res = mEditor->GetPriorHTMLNode(curNode, &nearNode);
|
|
else
|
|
res = mEditor->GetNextHTMLNode(curNode, &nearNode);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
|
|
if (nearNode)
|
|
{
|
|
// dont cross any table elements
|
|
PRBool bInDifTblElems;
|
|
res = InDifferentTableElements(nearNode, aSelNode, &bInDifTblElems);
|
|
if (NS_FAILED(res)) return res;
|
|
if (bInDifTblElems) return NS_OK;
|
|
|
|
// otherwise, ok, we have found a good spot to put the selection
|
|
*outSelectableNode = do_QueryInterface(nearNode);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsHTMLEditRules::InDifferentTableElements(nsIDOMNode *aNode1, nsIDOMNode *aNode2, PRBool *aResult)
|
|
{
|
|
if (!aNode1 || !aNode2 || !aResult) NS_ERROR_NULL_POINTER;
|
|
|
|
nsCOMPtr<nsIDOMNode> tn1, tn2, node = aNode1, temp;
|
|
|
|
while (node && !mEditor->IsTableElement(node))
|
|
{
|
|
node->GetParentNode(getter_AddRefs(temp));
|
|
node = temp;
|
|
}
|
|
tn1 = node;
|
|
|
|
node = aNode2;
|
|
while (node && !mEditor->IsTableElement(node))
|
|
{
|
|
node->GetParentNode(getter_AddRefs(temp));
|
|
node = temp;
|
|
}
|
|
tn2 = node;
|
|
|
|
*aResult = (tn1 != tn2);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsHTMLEditRules::RemoveEmptyNodes()
|
|
{
|
|
nsCOMPtr<nsIContentIterator> iter;
|
|
nsCOMPtr<nsISupportsArray> arrayOfNodes;
|
|
nsCOMPtr<nsISupports> isupports;
|
|
PRUint32 nodeCount,j;
|
|
|
|
// make an isupportsArray to hold a list of nodes
|
|
nsresult res = NS_NewISupportsArray(getter_AddRefs(arrayOfNodes));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// need an iterator
|
|
res = nsComponentManager::CreateInstance(kContentIteratorCID,
|
|
nsnull,
|
|
NS_GET_IID(nsIContentIterator),
|
|
getter_AddRefs(iter));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// loop over iter and create list of empty containers
|
|
do
|
|
{
|
|
res = iter->Init(mDocChangeRange);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// gather up a list of empty nodes
|
|
while (NS_ENUMERATOR_FALSE == iter->IsDone())
|
|
{
|
|
nsCOMPtr<nsIDOMNode> node;
|
|
nsCOMPtr<nsIContent> content;
|
|
res = iter->CurrentNode(getter_AddRefs(content));
|
|
if (NS_FAILED(res)) return res;
|
|
node = do_QueryInterface(content);
|
|
if (!node) return NS_ERROR_FAILURE;
|
|
|
|
PRBool bIsEmptyNode;
|
|
res = IsEmptyNode(node, &bIsEmptyNode, PR_FALSE, PR_TRUE);
|
|
if (NS_FAILED(res)) return res;
|
|
if (bIsEmptyNode && !nsHTMLEditUtils::IsBody(node))
|
|
{
|
|
if (nsHTMLEditUtils::IsParagraph(node) ||
|
|
nsHTMLEditUtils::IsHeader(node) ||
|
|
nsHTMLEditUtils::IsListItem(node) ||
|
|
nsHTMLEditUtils::IsBlockquote(node)||
|
|
nsHTMLEditUtils::IsPre(node) ||
|
|
nsHTMLEditUtils::IsAddress(node) )
|
|
{
|
|
// if it is one of these, dont delete if sel inside.
|
|
// this is so we can create empty headings, etc, for the
|
|
// user to type into.
|
|
PRBool bIsSelInNode;
|
|
res = SelectionEndpointInNode(node, &bIsSelInNode);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!bIsSelInNode)
|
|
{
|
|
isupports = do_QueryInterface(node);
|
|
arrayOfNodes->AppendElement(isupports);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// if it's not such an element, delete it even if sel is inside
|
|
isupports = do_QueryInterface(node);
|
|
arrayOfNodes->AppendElement(isupports);
|
|
}
|
|
}
|
|
|
|
res = iter->Next();
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
|
|
// now delete the empty nodes
|
|
res = arrayOfNodes->Count(&nodeCount);
|
|
if (NS_FAILED(res)) return res;
|
|
for (j = 0; j < nodeCount; j++)
|
|
{
|
|
isupports = (dont_AddRef)(arrayOfNodes->ElementAt(0));
|
|
nsCOMPtr<nsIDOMNode> delNode( do_QueryInterface(isupports ) );
|
|
arrayOfNodes->RemoveElementAt(0);
|
|
res = mEditor->DeleteNode(delNode);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
|
|
} while (nodeCount); // if we deleted any, loop again
|
|
// deleting some nodes may make some parents now empty
|
|
return res;
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLEditRules::SelectionEndpointInNode(nsIDOMNode *aNode, PRBool *aResult)
|
|
{
|
|
if (!aNode || !aResult) return NS_ERROR_NULL_POINTER;
|
|
|
|
*aResult = PR_FALSE;
|
|
|
|
nsCOMPtr<nsIDOMSelection>selection;
|
|
nsresult res = mEditor->GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
nsCOMPtr<nsIEnumerator> enumerator;
|
|
res = selection->GetEnumerator(getter_AddRefs(enumerator));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!enumerator) return NS_ERROR_UNEXPECTED;
|
|
|
|
for (enumerator->First(); NS_OK!=enumerator->IsDone(); enumerator->Next())
|
|
{
|
|
nsCOMPtr<nsISupports> currentItem;
|
|
res = enumerator->CurrentItem(getter_AddRefs(currentItem));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!currentItem) return NS_ERROR_UNEXPECTED;
|
|
|
|
nsCOMPtr<nsIDOMRange> range( do_QueryInterface(currentItem) );
|
|
nsCOMPtr<nsIDOMNode> startParent, endParent;
|
|
range->GetStartParent(getter_AddRefs(startParent));
|
|
if (startParent)
|
|
{
|
|
if (aNode == startParent.get())
|
|
{
|
|
*aResult = PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
if (nsHTMLEditUtils::IsDescendantOf(startParent, aNode))
|
|
{
|
|
*aResult = PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
}
|
|
range->GetEndParent(getter_AddRefs(endParent));
|
|
if (startParent == endParent) continue;
|
|
if (endParent)
|
|
{
|
|
if (aNode == endParent.get())
|
|
{
|
|
*aResult = PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
if (nsHTMLEditUtils::IsDescendantOf(endParent, aNode))
|
|
{
|
|
*aResult = PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsHTMLEditRules::DoTextNodeWhitespace(nsIDOMCharacterData *aTextNode, PRInt32 aStart, PRInt32 aEnd)
|
|
{
|
|
// check parms
|
|
if (!aTextNode) return NS_ERROR_NULL_POINTER;
|
|
if (aStart == -1) // -1 means do the whole darn node please
|
|
{
|
|
aStart = 0;
|
|
aTextNode->GetLength((PRUint32*)&aEnd);
|
|
}
|
|
if (aStart == aEnd) return NS_OK;
|
|
|
|
nsresult res = NS_OK;
|
|
PRBool isPRE;
|
|
nsCOMPtr<nsIDOMNode> node = do_QueryInterface(aTextNode);
|
|
|
|
res = mEditor->IsPreformatted(node,&isPRE);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
if (isPRE)
|
|
{
|
|
// text node has a Preformatted style. All we need to do is strip out any nbsp's
|
|
// we just put in and replace them with spaces.
|
|
|
|
// moose: write me!
|
|
return res;
|
|
}
|
|
|
|
// else we are not preformatted. Need to convert any adjacent spaces to alterating
|
|
// space/nbsp pairs; need to convert stranded nbsp's to spaces; need to convert
|
|
// tabs to whitespace; need to convert returns to whitespace.
|
|
PRInt32 j = 0;
|
|
nsAutoString tempString;
|
|
|
|
aTextNode->SubstringData(aStart, aEnd, tempString);
|
|
|
|
// identify runs of whitespace
|
|
PRInt32 runStart = -1, runEnd = -1;
|
|
do {
|
|
PRUnichar c = tempString[j];
|
|
PRBool isSpace = nsCRT::IsAsciiSpace(c);
|
|
if (isSpace || c==nbsp)
|
|
{
|
|
if (runStart<0) runStart = j;
|
|
runEnd = j+1;
|
|
}
|
|
// translation of below line:
|
|
// if we have a whitespace run, AND
|
|
// either we are at the end of it, or the end of the whole string,
|
|
// THEN process it
|
|
if (runStart>=0 && (!(isSpace || c==nbsp) || (j==aEnd-1)) )
|
|
{
|
|
// current char is non whitespace, but we have identified an earlier
|
|
// run of whitespace. convert it if needed.
|
|
NS_PRECONDITION(runEnd>runStart, "this is what happens when integers turn bad!");
|
|
// runStart to runEnd is a run of whitespace
|
|
nsAutoString runStr, newStr;
|
|
tempString.Mid(runStr, runStart, runEnd-runStart);
|
|
|
|
res = ConvertWhitespace(runStr, newStr);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
if (runStr != newStr)
|
|
{
|
|
// delete the original whitespace run
|
|
EditTxn *txn;
|
|
// note 1: we are not telling edit listeners about these because they don't care
|
|
// note 2: we are not wrapping these in a placeholder because we know they already are
|
|
res = mEditor->CreateTxnForDeleteText(aTextNode, aStart+runStart, runEnd-runStart, (DeleteTextTxn**)&txn);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!txn) return NS_ERROR_OUT_OF_MEMORY;
|
|
res = mEditor->Do(txn);
|
|
if (NS_FAILED(res)) return res;
|
|
// The transaction system (if any) has taken ownwership of txn
|
|
NS_IF_RELEASE(txn);
|
|
|
|
// insert the new run
|
|
res = mEditor->CreateTxnForInsertText(newStr, aTextNode, aStart+runStart, (InsertTextTxn**)&txn);
|
|
if (NS_FAILED(res)) return res;
|
|
if (!txn) return NS_ERROR_OUT_OF_MEMORY;
|
|
res = mEditor->Do(txn);
|
|
// The transaction system (if any) has taken ownwership of txns.
|
|
NS_IF_RELEASE(txn);
|
|
}
|
|
runStart = -1; // reset our run
|
|
}
|
|
j++; // next char please!
|
|
} while (j<aEnd);
|
|
|
|
return res;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsHTMLEditRules::ConvertWhitespace(const nsString & inString, nsString & outString)
|
|
{
|
|
PRUint32 j,len = inString.Length();
|
|
switch (len)
|
|
{
|
|
case 0:
|
|
outString.SetLength(0);
|
|
return NS_OK;
|
|
case 1:
|
|
if (inString.EqualsWithConversion("\n")) // a bit of a hack: don't convert single newlines that
|
|
outString.AssignWithConversion("\n"); // dont have whitespace adjacent. This is to preserve
|
|
else // html source formatting to some degree.
|
|
outString.AssignWithConversion(" ");
|
|
return NS_OK;
|
|
case 2:
|
|
outString.Assign((PRUnichar)nbsp);
|
|
outString.AppendWithConversion(" ");
|
|
return NS_OK;
|
|
case 3:
|
|
outString.AssignWithConversion(" ");
|
|
outString += (PRUnichar)nbsp;
|
|
outString.AppendWithConversion(" ");
|
|
return NS_OK;
|
|
}
|
|
if (len%2) // length is odd
|
|
{
|
|
for (j=0;j<len;j++)
|
|
{
|
|
if (!(j%2)) outString.AppendWithConversion(" "); // even char
|
|
else outString += (PRUnichar)nbsp; // odd char
|
|
}
|
|
}
|
|
else
|
|
{
|
|
outString.AssignWithConversion(" ");
|
|
outString += (PRUnichar)nbsp;
|
|
outString += (PRUnichar)nbsp;
|
|
for (j=0;j<len-3;j++)
|
|
{
|
|
if (!(j%2)) outString.AppendWithConversion(" "); // even char
|
|
else outString += (PRUnichar)nbsp; // odd char
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsHTMLEditRules::PopListItem(nsIDOMNode *aListItem, PRBool *aOutOfList)
|
|
{
|
|
// check parms
|
|
if (!aListItem || !aOutOfList)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
// init out params
|
|
*aOutOfList = PR_FALSE;
|
|
|
|
nsCOMPtr<nsIDOMNode> curParent;
|
|
nsCOMPtr<nsIDOMNode> curNode( do_QueryInterface(aListItem));
|
|
PRInt32 offset;
|
|
nsresult res = nsEditor::GetNodeLocation(curNode, &curParent, &offset);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
if (!nsHTMLEditUtils::IsListItem(curNode))
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// if it's first or last list item, dont need to split the list
|
|
// otherwise we do.
|
|
nsCOMPtr<nsIDOMNode> curParPar;
|
|
PRInt32 parOffset;
|
|
res = nsEditor::GetNodeLocation(curParent, &curParPar, &parOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
PRBool bIsFirstListItem;
|
|
res = mEditor->IsFirstEditableChild(curNode, &bIsFirstListItem);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
PRBool bIsLastListItem;
|
|
res = mEditor->IsLastEditableChild(curNode, &bIsLastListItem);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
if (!bIsFirstListItem && !bIsLastListItem)
|
|
{
|
|
// split the list
|
|
nsCOMPtr<nsIDOMNode> newBlock;
|
|
res = mEditor->SplitNode(curParent, offset, getter_AddRefs(newBlock));
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
|
|
if (!bIsFirstListItem) parOffset++;
|
|
|
|
res = mEditor->MoveNode(curNode, curParPar, parOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// unwrap list item contents if they are no longer in a list
|
|
if (!nsHTMLEditUtils::IsList(curParPar)
|
|
&& nsHTMLEditUtils::IsListItem(curNode))
|
|
{
|
|
res = AddTerminatingBR(curNode);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mEditor->RemoveContainer(curNode);
|
|
if (NS_FAILED(res)) return res;
|
|
*aOutOfList = PR_TRUE;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsHTMLEditRules::ConfirmSelectionInBody()
|
|
{
|
|
nsresult res = NS_OK;
|
|
nsCOMPtr<nsIDOMElement> bodyElement;
|
|
nsCOMPtr<nsIDOMNode> bodyNode;
|
|
|
|
// get the body
|
|
res = mEditor->GetRootElement(getter_AddRefs(bodyElement));
|
|
if (NS_FAILED(res)) return res;
|
|
if (!bodyElement) return NS_ERROR_UNEXPECTED;
|
|
bodyNode = do_QueryInterface(bodyElement);
|
|
|
|
// get the selection
|
|
nsCOMPtr<nsIDOMSelection>selection;
|
|
res = mEditor->GetSelection(getter_AddRefs(selection));
|
|
if (NS_FAILED(res)) return res;
|
|
|
|
// get the selection start location
|
|
nsCOMPtr<nsIDOMNode> selNode, temp, parent;
|
|
PRInt32 selOffset;
|
|
res = mEditor->GetStartNodeAndOffset(selection, &selNode, &selOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
temp = selNode;
|
|
|
|
// check that selNode is inside body
|
|
while (temp && !nsHTMLEditUtils::IsBody(temp))
|
|
{
|
|
res = temp->GetParentNode(getter_AddRefs(parent));
|
|
temp = parent;
|
|
}
|
|
|
|
// if we aren't in the body, force the issue
|
|
if (!temp)
|
|
{
|
|
// uncomment this to see when we get bad selections
|
|
// NS_NOTREACHED("selection not in body");
|
|
selection->Collapse(bodyNode,0);
|
|
}
|
|
|
|
// get the selection end location
|
|
res = mEditor->GetEndNodeAndOffset(selection, &selNode, &selOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
temp = selNode;
|
|
|
|
// check that selNode is inside body
|
|
while (temp && !nsHTMLEditUtils::IsBody(temp))
|
|
{
|
|
res = temp->GetParentNode(getter_AddRefs(parent));
|
|
temp = parent;
|
|
}
|
|
|
|
// if we aren't in the body, force the issue
|
|
if (!temp)
|
|
{
|
|
// uncomment this to see when we get bad selections
|
|
// NS_NOTREACHED("selection not in body");
|
|
selection->Collapse(bodyNode,0);
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsHTMLEditRules::UpdateDocChangeRange(nsIDOMRange *aRange)
|
|
{
|
|
nsresult res = NS_OK;
|
|
|
|
if (!mDocChangeRange)
|
|
{
|
|
// clone aRange.
|
|
res = aRange->Clone(getter_AddRefs(mDocChangeRange));
|
|
return res;
|
|
}
|
|
else
|
|
{
|
|
PRInt32 result;
|
|
|
|
// compare starts of ranges
|
|
res = mDocChangeRange->CompareEndPoints(nsIDOMRange::START_TO_START, aRange, &result);
|
|
if (NS_FAILED(res)) return res;
|
|
if (result < 0) // negative result means aRange start is before mDocChangeRange start
|
|
{
|
|
nsCOMPtr<nsIDOMNode> startNode;
|
|
PRInt32 startOffset;
|
|
res = aRange->GetStartParent(getter_AddRefs(startNode));
|
|
if (NS_FAILED(res)) return res;
|
|
res = aRange->GetStartOffset(&startOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mDocChangeRange->SetStart(startNode, startOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
|
|
// compare ends of ranges
|
|
res = mDocChangeRange->CompareEndPoints(nsIDOMRange::END_TO_END, aRange, &result);
|
|
if (NS_FAILED(res)) return res;
|
|
if (result > 0) // positive result means aRange end is after mDocChangeRange end
|
|
{
|
|
nsCOMPtr<nsIDOMNode> endNode;
|
|
PRInt32 endOffset;
|
|
res = aRange->GetEndParent(getter_AddRefs(endNode));
|
|
if (NS_FAILED(res)) return res;
|
|
res = aRange->GetEndOffset(&endOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mDocChangeRange->SetEnd(endNode, endOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLEditRules::InsertMozBRIfNeeded(nsIDOMNode *aNode)
|
|
{
|
|
if (!aNode) return NS_ERROR_NULL_POINTER;
|
|
if (!mEditor->IsBlockNode(aNode)) return NS_OK;
|
|
|
|
PRBool isEmpty;
|
|
nsCOMPtr<nsIDOMNode> brNode;
|
|
nsresult res = IsEmptyNode(aNode, &isEmpty);
|
|
if (NS_FAILED(res)) return res;
|
|
if (isEmpty)
|
|
{
|
|
res = CreateMozBR(aNode, 0, &brNode);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
#ifdef XP_MAC
|
|
#pragma mark -
|
|
#pragma mark nsIEditActionListener methods
|
|
#pragma mark -
|
|
#endif
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditRules::WillCreateNode(const nsString& aTag, nsIDOMNode *aParent, PRInt32 aPosition)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditRules::DidCreateNode(const nsString& aTag,
|
|
nsIDOMNode *aNode,
|
|
nsIDOMNode *aParent,
|
|
PRInt32 aPosition,
|
|
nsresult aResult)
|
|
{
|
|
if (!mListenerEnabled) return NS_OK;
|
|
// assumption that Join keeps the righthand node
|
|
nsresult res = mUtilRange->SelectNode(aNode);
|
|
if (NS_FAILED(res)) return res;
|
|
res = UpdateDocChangeRange(mUtilRange);
|
|
return res;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditRules::WillInsertNode(nsIDOMNode *aNode, nsIDOMNode *aParent, PRInt32 aPosition)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditRules::DidInsertNode(nsIDOMNode *aNode,
|
|
nsIDOMNode *aParent,
|
|
PRInt32 aPosition,
|
|
nsresult aResult)
|
|
{
|
|
if (!mListenerEnabled) return NS_OK;
|
|
nsresult res = mUtilRange->SelectNode(aNode);
|
|
if (NS_FAILED(res)) return res;
|
|
res = UpdateDocChangeRange(mUtilRange);
|
|
return res;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditRules::WillDeleteNode(nsIDOMNode *aChild)
|
|
{
|
|
if (!mListenerEnabled) return NS_OK;
|
|
nsresult res = mUtilRange->SelectNode(aChild);
|
|
if (NS_FAILED(res)) return res;
|
|
res = UpdateDocChangeRange(mUtilRange);
|
|
return res;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditRules::DidDeleteNode(nsIDOMNode *aChild, nsresult aResult)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditRules::WillSplitNode(nsIDOMNode *aExistingRightNode, PRInt32 aOffset)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditRules::DidSplitNode(nsIDOMNode *aExistingRightNode,
|
|
PRInt32 aOffset,
|
|
nsIDOMNode *aNewLeftNode,
|
|
nsresult aResult)
|
|
{
|
|
if (!mListenerEnabled) return NS_OK;
|
|
nsresult res = mUtilRange->SetStart(aNewLeftNode, 0);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mUtilRange->SetEnd(aExistingRightNode, 0);
|
|
if (NS_FAILED(res)) return res;
|
|
res = UpdateDocChangeRange(mUtilRange);
|
|
return res;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditRules::WillJoinNodes(nsIDOMNode *aLeftNode, nsIDOMNode *aRightNode, nsIDOMNode *aParent)
|
|
{
|
|
if (!mListenerEnabled) return NS_OK;
|
|
// remember split point
|
|
nsresult res = nsEditor::GetLengthOfDOMNode(aLeftNode, mJoinOffset);
|
|
return res;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditRules::DidJoinNodes(nsIDOMNode *aLeftNode,
|
|
nsIDOMNode *aRightNode,
|
|
nsIDOMNode *aParent,
|
|
nsresult aResult)
|
|
{
|
|
if (!mListenerEnabled) return NS_OK;
|
|
// assumption that Join keeps the righthand node
|
|
nsresult res = mUtilRange->SetStart(aRightNode, mJoinOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mUtilRange->SetEnd(aRightNode, mJoinOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = UpdateDocChangeRange(mUtilRange);
|
|
return res;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditRules::WillInsertText(nsIDOMCharacterData *aTextNode, PRInt32 aOffset, const nsString &aString)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditRules::DidInsertText(nsIDOMCharacterData *aTextNode,
|
|
PRInt32 aOffset,
|
|
const nsString &aString,
|
|
nsresult aResult)
|
|
{
|
|
if (!mListenerEnabled) return NS_OK;
|
|
PRInt32 length = aString.Length();
|
|
nsCOMPtr<nsIDOMNode> theNode = do_QueryInterface(aTextNode);
|
|
nsresult res = mUtilRange->SetStart(theNode, aOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mUtilRange->SetEnd(theNode, aOffset+length);
|
|
if (NS_FAILED(res)) return res;
|
|
res = UpdateDocChangeRange(mUtilRange);
|
|
return res;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditRules::WillDeleteText(nsIDOMCharacterData *aTextNode, PRInt32 aOffset, PRInt32 aLength)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditRules::DidDeleteText(nsIDOMCharacterData *aTextNode,
|
|
PRInt32 aOffset,
|
|
PRInt32 aLength,
|
|
nsresult aResult)
|
|
{
|
|
if (!mListenerEnabled) return NS_OK;
|
|
nsCOMPtr<nsIDOMNode> theNode = do_QueryInterface(aTextNode);
|
|
nsresult res = mUtilRange->SetStart(theNode, aOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mUtilRange->SetEnd(theNode, aOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = UpdateDocChangeRange(mUtilRange);
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditRules::WillDeleteSelection(nsIDOMSelection *aSelection)
|
|
{
|
|
if (!mListenerEnabled) return NS_OK;
|
|
// get the (collapsed) selection location
|
|
nsCOMPtr<nsIDOMNode> selNode;
|
|
PRInt32 selOffset;
|
|
|
|
nsresult res = mEditor->GetStartNodeAndOffset(aSelection, &selNode, &selOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mUtilRange->SetStart(selNode, selOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mEditor->GetEndNodeAndOffset(aSelection, &selNode, &selOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = mUtilRange->SetEnd(selNode, selOffset);
|
|
if (NS_FAILED(res)) return res;
|
|
res = UpdateDocChangeRange(mUtilRange);
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditRules::DidDeleteSelection(nsIDOMSelection *aSelection)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|