зеркало из https://github.com/mozilla/gecko-dev.git
1347 строки
45 KiB
C++
1347 строки
45 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 License
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* Version 1.0 (the "NPL") you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "nsTextEditor.h"
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#include "nsHTMLEditor.h"
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#include "nsHTMLEditRules.h"
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#include "nsEditorEventListeners.h"
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#include "nsIDOMNodeList.h"
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#include "nsIDOMRange.h"
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#include "nsIDOMDocument.h"
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#include "nsIDOMEventReceiver.h"
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#include "nsIDOMKeyListener.h"
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#include "nsIDOMMouseListener.h"
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#include "nsIDOMSelection.h"
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#include "nsIDOMHTMLAnchorElement.h"
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#include "nsIDOMHTMLImageElement.h"
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#include "nsIEnumerator.h"
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#include "nsIContent.h"
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#include "nsIContentIterator.h"
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#include "nsEditorCID.h"
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#include "nsLayoutCID.h"
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#include "nsIDOMRange.h"
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#include "nsISupportsArray.h"
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#include "nsVoidArray.h"
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#include "nsIComponentManager.h"
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#include "nsIServiceManager.h"
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#include "nsITableCellLayout.h" //For GetColIndexForCell
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static NS_DEFINE_IID(kIDOMEventReceiverIID, NS_IDOMEVENTRECEIVER_IID);
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static NS_DEFINE_IID(kIDOMMouseListenerIID, NS_IDOMMOUSELISTENER_IID);
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static NS_DEFINE_IID(kIDOMKeyListenerIID, NS_IDOMKEYLISTENER_IID);
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static NS_DEFINE_CID(kEditorCID, NS_EDITOR_CID);
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static NS_DEFINE_IID(kIEditorIID, NS_IEDITOR_IID);
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static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
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static NS_DEFINE_IID(kITextEditorIID, NS_ITEXTEDITOR_IID);
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static NS_DEFINE_CID(kTextEditorCID, NS_TEXTEDITOR_CID);
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static NS_DEFINE_IID(kIHTMLEditorIID, NS_IHTMLEDITOR_IID);
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static NS_DEFINE_CID(kHTMLEditorCID, NS_HTMLEDITOR_CID);
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static NS_DEFINE_CID(kCContentIteratorCID, NS_CONTENTITERATOR_CID);
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static NS_DEFINE_IID(kIContentIteratorIID, NS_ICONTENTITERTOR_IID);
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#ifdef NS_DEBUG
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static PRBool gNoisy = PR_FALSE;
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#else
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static const PRBool gNoisy = PR_FALSE;
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#endif
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nsHTMLEditor::nsHTMLEditor()
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{
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// Done in nsEditor
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// NS_INIT_REFCNT();
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}
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nsHTMLEditor::~nsHTMLEditor()
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{
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//the autopointers will clear themselves up.
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}
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// Adds appropriate AddRef, Release, and QueryInterface methods for derived class
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//NS_IMPL_ISUPPORTS_INHERITED(nsHTMLEditor, nsTextEditor, nsIHTMLEditor)
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//NS_IMPL_ADDREF_INHERITED(Class, Super)
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NS_IMETHODIMP_(nsrefcnt) nsHTMLEditor::AddRef(void)
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{
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return nsTextEditor::AddRef();
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}
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//NS_IMPL_RELEASE_INHERITED(Class, Super)
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NS_IMETHODIMP_(nsrefcnt) nsHTMLEditor::Release(void)
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{
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return nsTextEditor::Release();
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}
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//NS_IMPL_QUERY_INTERFACE_INHERITED(Class, Super, AdditionalInterface)
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NS_IMETHODIMP nsHTMLEditor::QueryInterface(REFNSIID aIID, void** aInstancePtr)
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{
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if (!aInstancePtr) return NS_ERROR_NULL_POINTER;
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if (aIID.Equals(nsIHTMLEditor::GetIID())) {
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*aInstancePtr = NS_STATIC_CAST(nsIHTMLEditor*, this);
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NS_ADDREF_THIS();
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return NS_OK;
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}
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return nsTextEditor::QueryInterface(aIID, aInstancePtr);
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}
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NS_IMETHODIMP nsHTMLEditor::Init(nsIDOMDocument *aDoc, nsIPresShell *aPresShell)
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{
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NS_PRECONDITION(nsnull!=aDoc && nsnull!=aPresShell, "bad arg");
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nsresult result=NS_ERROR_NULL_POINTER;
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if ((nsnull!=aDoc) && (nsnull!=aPresShell))
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{
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return nsTextEditor::Init(aDoc, aPresShell);
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}
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return result;
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}
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void nsHTMLEditor::InitRules()
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{
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// instantiate the rules for this text editor
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// XXX: we should be told which set of rules to instantiate
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mRules = new nsHTMLEditRules();
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mRules->Init(this);
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}
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NS_IMETHODIMP nsHTMLEditor::SetTextProperty(nsIAtom *aProperty,
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const nsString *aAttribute,
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const nsString *aValue)
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{
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return nsTextEditor::SetTextProperty(aProperty, aAttribute, aValue);
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}
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NS_IMETHODIMP nsHTMLEditor::GetTextProperty(nsIAtom *aProperty,
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const nsString *aAttribute,
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const nsString *aValue,
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PRBool &aFirst, PRBool &aAny, PRBool &aAll)
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{
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return nsTextEditor::GetTextProperty(aProperty, aAttribute, aValue, aFirst, aAny, aAll);
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}
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NS_IMETHODIMP nsHTMLEditor::RemoveTextProperty(nsIAtom *aProperty, const nsString *aAttribute)
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{
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return nsTextEditor::RemoveTextProperty(aProperty, aAttribute);
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}
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NS_IMETHODIMP nsHTMLEditor::DeleteSelection(nsIEditor::Direction aDir)
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{
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return nsTextEditor::DeleteSelection(aDir);
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}
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NS_IMETHODIMP nsHTMLEditor::InsertText(const nsString& aStringToInsert)
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{
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return nsTextEditor::InsertText(aStringToInsert);
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}
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NS_IMETHODIMP nsHTMLEditor::InsertBreak()
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{
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nsresult result;
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if (!mRules) { return NS_ERROR_NOT_INITIALIZED; }
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nsCOMPtr<nsIDOMSelection> selection;
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PRBool cancel= PR_FALSE;
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result = nsEditor::BeginTransaction();
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if (NS_FAILED(result)) { return result; }
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// pre-process
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nsEditor::GetSelection(getter_AddRefs(selection));
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nsTextRulesInfo ruleInfo(nsHTMLEditRules::kInsertBreak);
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result = mRules->WillDoAction(selection, &ruleInfo, &cancel);
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if ((PR_FALSE==cancel) && (NS_SUCCEEDED(result)))
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{
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// create the new BR node
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nsCOMPtr<nsIDOMNode> newNode;
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nsAutoString tag("BR");
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result = nsEditor::DeleteSelectionAndCreateNode(tag, getter_AddRefs(newNode));
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if (NS_SUCCEEDED(result) && newNode)
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{
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// set the selection to the new node
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nsCOMPtr<nsIDOMNode>parent;
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result = newNode->GetParentNode(getter_AddRefs(parent));
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if (NS_SUCCEEDED(result) && parent)
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{
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PRInt32 offsetInParent=-1; // we use the -1 as a marker to see if we need to compute this or not
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nsCOMPtr<nsIDOMNode>nextNode;
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newNode->GetNextSibling(getter_AddRefs(nextNode));
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if (nextNode)
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{
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nsCOMPtr<nsIDOMCharacterData>nextTextNode;
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nextTextNode = do_QueryInterface(nextNode);
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if (!nextTextNode) {
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nextNode = do_QueryInterface(newNode);
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}
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else {
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offsetInParent=0;
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}
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}
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else {
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nextNode = do_QueryInterface(newNode);
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}
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result = nsEditor::GetSelection(getter_AddRefs(selection));
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if (NS_SUCCEEDED(result))
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{
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if (-1==offsetInParent)
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{
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nextNode->GetParentNode(getter_AddRefs(parent));
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result = nsIEditorSupport::GetChildOffset(nextNode, parent, offsetInParent);
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if (NS_SUCCEEDED(result)) {
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selection->Collapse(parent, offsetInParent+1); // +1 to insert just after the break
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}
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}
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else
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{
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selection->Collapse(nextNode, offsetInParent);
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}
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}
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}
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}
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// post-process, always called if WillInsertBreak didn't return cancel==PR_TRUE
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result = mRules->DidDoAction(selection, &ruleInfo, result);
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}
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nsresult endTxnResult = nsEditor::EndTransaction(); // don't return this result!
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NS_ASSERTION ((NS_SUCCEEDED(endTxnResult)), "bad end transaction result");
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// XXXX: Horrible hack! We are doing this because
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// of an error in Gecko which is not rendering the
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// document after a change via the DOM - gpk 2/13/99
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// BEGIN HACK!!!
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HACKForceRedraw();
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// END HACK
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return result;
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}
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// Methods shared with the base editor.
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// Note: We could call each of these via nsTextEditor -- is that better?
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NS_IMETHODIMP nsHTMLEditor::EnableUndo(PRBool aEnable)
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{
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return nsTextEditor::EnableUndo(aEnable);
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}
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NS_IMETHODIMP nsHTMLEditor::Undo(PRUint32 aCount)
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{
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return nsTextEditor::Undo(aCount);
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}
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NS_IMETHODIMP nsHTMLEditor::CanUndo(PRBool &aIsEnabled, PRBool &aCanUndo)
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{
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return nsTextEditor::CanUndo(aIsEnabled, aCanUndo);
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}
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NS_IMETHODIMP nsHTMLEditor::Redo(PRUint32 aCount)
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{
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return nsTextEditor::Redo(aCount);
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}
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NS_IMETHODIMP nsHTMLEditor::CanRedo(PRBool &aIsEnabled, PRBool &aCanRedo)
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{
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return nsTextEditor::CanRedo(aIsEnabled, aCanRedo);
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}
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NS_IMETHODIMP nsHTMLEditor::BeginTransaction()
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{
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return nsTextEditor::BeginTransaction();
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}
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NS_IMETHODIMP nsHTMLEditor::EndTransaction()
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{
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return nsTextEditor::EndTransaction();
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}
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NS_IMETHODIMP nsHTMLEditor::MoveSelectionUp(nsIAtom *aIncrement, PRBool aExtendSelection)
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{
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return nsTextEditor::MoveSelectionUp(aIncrement, aExtendSelection);
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}
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NS_IMETHODIMP nsHTMLEditor::MoveSelectionDown(nsIAtom *aIncrement, PRBool aExtendSelection)
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{
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return nsTextEditor::MoveSelectionDown(aIncrement, aExtendSelection);
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}
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NS_IMETHODIMP nsHTMLEditor::MoveSelectionNext(nsIAtom *aIncrement, PRBool aExtendSelection)
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{
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return nsTextEditor::MoveSelectionNext(aIncrement, aExtendSelection);
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}
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NS_IMETHODIMP nsHTMLEditor::MoveSelectionPrevious(nsIAtom *aIncrement, PRBool aExtendSelection)
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{
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return nsTextEditor::MoveSelectionPrevious(aIncrement, aExtendSelection);
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}
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NS_IMETHODIMP nsHTMLEditor::SelectNext(nsIAtom *aIncrement, PRBool aExtendSelection)
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{
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return nsTextEditor::SelectNext(aIncrement, aExtendSelection);
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}
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NS_IMETHODIMP nsHTMLEditor::SelectPrevious(nsIAtom *aIncrement, PRBool aExtendSelection)
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{
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return nsTextEditor::SelectPrevious(aIncrement, aExtendSelection);
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}
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NS_IMETHODIMP nsHTMLEditor::SelectAll()
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{
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return nsTextEditor::SelectAll();
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}
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NS_IMETHODIMP nsHTMLEditor::ScrollUp(nsIAtom *aIncrement)
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{
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return nsTextEditor::ScrollUp(aIncrement);
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}
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NS_IMETHODIMP nsHTMLEditor::ScrollDown(nsIAtom *aIncrement)
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{
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return nsTextEditor::ScrollDown(aIncrement);
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}
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NS_IMETHODIMP nsHTMLEditor::ScrollIntoView(PRBool aScrollToBegin)
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{
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return nsTextEditor::ScrollIntoView(aScrollToBegin);
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}
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NS_IMETHODIMP nsHTMLEditor::Cut()
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{
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return nsTextEditor::Cut();
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}
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NS_IMETHODIMP nsHTMLEditor::Copy()
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{
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return nsTextEditor::Copy();
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}
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NS_IMETHODIMP nsHTMLEditor::Paste()
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{
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return nsTextEditor::Paste();
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}
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NS_IMETHODIMP nsHTMLEditor::Insert(nsString& aInputString)
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{
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return nsTextEditor::Insert(aInputString);
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}
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NS_IMETHODIMP nsHTMLEditor::OutputText(nsString& aOutputString)
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{
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return nsTextEditor::OutputText(aOutputString);
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}
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NS_IMETHODIMP nsHTMLEditor::OutputHTML(nsString& aOutputString)
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{
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return nsTextEditor::OutputHTML(aOutputString);
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}
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NS_IMETHODIMP nsHTMLEditor::OutputText(nsIOutputStream* aOutputStream, nsString* aCharsetOverride)
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{
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return nsTextEditor::OutputText(aOutputStream,aCharsetOverride);
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}
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NS_IMETHODIMP nsHTMLEditor::OutputHTML(nsIOutputStream* aOutputStream,nsString* aCharsetOverride)
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{
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return nsTextEditor::OutputHTML(aOutputStream,aCharsetOverride);
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}
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NS_IMETHODIMP
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nsHTMLEditor::CopyAttributes(nsIDOMNode *aDestNode, nsIDOMNode *aSourceNode)
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{
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return nsTextEditor::CopyAttributes(aDestNode, aSourceNode);
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}
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//================================================================
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// HTML Editor methods
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//
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// Note: Table Editing methods are implemented in EditTable.cpp
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//
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// get the paragraph style(s) for the selection
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NS_IMETHODIMP
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nsHTMLEditor::GetParagraphStyle(nsStringArray *aTagList)
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{
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if (gNoisy) { printf("---------- nsHTMLEditor::GetParagraphStyle ----------\n"); }
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if (!aTagList) { return NS_ERROR_NULL_POINTER; }
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nsresult result;
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nsCOMPtr<nsIDOMSelection>selection;
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result = nsEditor::GetSelection(getter_AddRefs(selection));
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if ((NS_SUCCEEDED(result)) && selection)
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{
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nsCOMPtr<nsIEnumerator> enumerator;
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enumerator = do_QueryInterface(selection);
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if (enumerator)
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{
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enumerator->First();
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nsISupports *currentItem;
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result = enumerator->CurrentItem(¤tItem);
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if ((NS_SUCCEEDED(result)) && (nsnull!=currentItem))
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{
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nsCOMPtr<nsIDOMRange> range( do_QueryInterface(currentItem) );
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// scan the range for all the independent block content subranges
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// and get the block parent of each
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nsISupportsArray *subRanges;
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result = NS_NewISupportsArray(&subRanges);
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if ((NS_SUCCEEDED(result)) && subRanges)
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{
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result = GetBlockRanges(range, subRanges);
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if (NS_SUCCEEDED(result))
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{
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nsIDOMRange *subRange;
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subRange = (nsIDOMRange *)(subRanges->ElementAt(0));
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while (subRange && (NS_SUCCEEDED(result)))
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{
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nsCOMPtr<nsIDOMNode>startParent;
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result = subRange->GetStartParent(getter_AddRefs(startParent));
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if (NS_SUCCEEDED(result) && startParent)
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{
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nsCOMPtr<nsIDOMElement> blockParent;
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result = GetBlockParent(startParent, getter_AddRefs(blockParent));
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if (NS_SUCCEEDED(result) && blockParent)
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{
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nsAutoString blockParentTag;
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blockParent->GetTagName(blockParentTag);
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if (-1==aTagList->IndexOf(blockParentTag)) {
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aTagList->AppendString(blockParentTag);
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}
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}
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}
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NS_RELEASE(subRange);
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subRanges->RemoveElementAt(0);
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subRange = (nsIDOMRange *)(subRanges->ElementAt(0));
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}
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}
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NS_RELEASE(subRanges);
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}
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}
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}
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}
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return result;
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}
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// use this when block parents are to be added regardless of current state
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NS_IMETHODIMP
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nsHTMLEditor::AddBlockParent(nsString& aParentTag)
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{
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if (gNoisy)
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{
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char *tag = aParentTag.ToNewCString();
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printf("---------- nsHTMLEditor::AddBlockParent %s ----------\n", tag);
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delete [] tag;
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}
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nsresult result=NS_ERROR_NOT_INITIALIZED;
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nsCOMPtr<nsIDOMSelection>selection;
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result = nsEditor::GetSelection(getter_AddRefs(selection));
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if ((NS_SUCCEEDED(result)) && selection)
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{
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// set the block parent for all selected ranges
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nsEditor::BeginTransaction();
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nsCOMPtr<nsIEnumerator> enumerator;
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enumerator = do_QueryInterface(selection);
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if (enumerator)
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{
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enumerator->First();
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nsISupports *currentItem;
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result = enumerator->CurrentItem(¤tItem);
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if ((NS_SUCCEEDED(result)) && (nsnull!=currentItem))
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{
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nsCOMPtr<nsIDOMRange> range( do_QueryInterface(currentItem) );
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// scan the range for all the independent block content subranges
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// and apply the transformation to them
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result = ReParentContentOfRange(range, aParentTag, eInsertParent);
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}
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}
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nsEditor::EndTransaction();
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if (NS_SUCCEEDED(result))
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{ // set the selection
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// XXX: can't do anything until I can create ranges
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}
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}
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if (gNoisy) {printf("Finished nsHTMLEditor::AddBlockParent with this content:\n"); DebugDumpContent(); } // DEBUG
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return result;
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}
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// use this when a paragraph type is being transformed from one type to another
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NS_IMETHODIMP
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nsHTMLEditor::ReplaceBlockParent(nsString& aParentTag)
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{
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if (gNoisy)
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{
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char *tag = aParentTag.ToNewCString();
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printf("---------- nsHTMLEditor::ReplaceBlockParent %s ----------\n", tag);
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delete [] tag;
|
|
}
|
|
|
|
nsresult result=NS_ERROR_NOT_INITIALIZED;
|
|
nsCOMPtr<nsIDOMSelection>selection;
|
|
result = nsEditor::GetSelection(getter_AddRefs(selection));
|
|
if ((NS_SUCCEEDED(result)) && selection)
|
|
{
|
|
// set the block parent for all selected ranges
|
|
nsEditor::BeginTransaction();
|
|
nsCOMPtr<nsIEnumerator> enumerator;
|
|
enumerator = do_QueryInterface(selection);
|
|
if (enumerator)
|
|
{
|
|
enumerator->First();
|
|
nsISupports *currentItem;
|
|
result = enumerator->CurrentItem(¤tItem);
|
|
if ((NS_SUCCEEDED(result)) && (nsnull!=currentItem))
|
|
{
|
|
nsCOMPtr<nsIDOMRange> range( do_QueryInterface(currentItem) );
|
|
// scan the range for all the independent block content subranges
|
|
// and apply the transformation to them
|
|
result = ReParentContentOfRange(range, aParentTag, eReplaceParent);
|
|
}
|
|
}
|
|
nsEditor::EndTransaction();
|
|
if (NS_SUCCEEDED(result))
|
|
{ // set the selection
|
|
// XXX: can't do anything until I can create ranges
|
|
}
|
|
}
|
|
if (gNoisy) {printf("Finished nsHTMLEditor::AddBlockParent with this content:\n"); DebugDumpContent(); } // DEBUG
|
|
|
|
return result;
|
|
}
|
|
|
|
void IsRootTag(nsString &aTag, PRBool &aIsTag)
|
|
{
|
|
static nsAutoString bodyTag = "body";
|
|
static nsAutoString tdTag = "td";
|
|
static nsAutoString thTag = "th";
|
|
static nsAutoString captionTag = "caption";
|
|
if (PR_TRUE==aTag.EqualsIgnoreCase(bodyTag) ||
|
|
PR_TRUE==aTag.EqualsIgnoreCase(tdTag) ||
|
|
PR_TRUE==aTag.EqualsIgnoreCase(thTag) ||
|
|
PR_TRUE==aTag.EqualsIgnoreCase(captionTag) )
|
|
{
|
|
aIsTag = PR_TRUE;
|
|
}
|
|
else {
|
|
aIsTag = PR_FALSE;
|
|
}
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::ReParentContentOfNode(nsIDOMNode *aNode,
|
|
nsString &aParentTag,
|
|
BlockTransformationType aTransformation)
|
|
{
|
|
if (!aNode) { return NS_ERROR_NULL_POINTER; }
|
|
// find the current block parent, or just use aNode if it is a block node
|
|
nsCOMPtr<nsIDOMElement>blockParentElement;
|
|
nsCOMPtr<nsIDOMNode>nodeToReParent; // this is the node we'll operate on, by default it's aNode
|
|
nsresult result = aNode->QueryInterface(nsIDOMNode::GetIID(), getter_AddRefs(nodeToReParent));
|
|
PRBool nodeIsInline;
|
|
PRBool nodeIsBlock=PR_FALSE;
|
|
nsTextEditor::IsNodeInline(aNode, nodeIsInline);
|
|
if (PR_FALSE==nodeIsInline)
|
|
{
|
|
nsresult QIResult;
|
|
nsCOMPtr<nsIDOMCharacterData>nodeAsText;
|
|
QIResult = aNode->QueryInterface(nsIDOMCharacterData::GetIID(), getter_AddRefs(nodeAsText));
|
|
if (NS_FAILED(QIResult) || !nodeAsText) {
|
|
nodeIsBlock=PR_TRUE;
|
|
}
|
|
}
|
|
// if aNode is the block parent, then the node to reparent is one of its children
|
|
if (PR_TRUE==nodeIsBlock)
|
|
{
|
|
result = aNode->QueryInterface(nsIDOMNode::GetIID(), getter_AddRefs(blockParentElement));
|
|
if (NS_SUCCEEDED(result) && blockParentElement) {
|
|
result = aNode->GetFirstChild(getter_AddRefs(nodeToReParent));
|
|
}
|
|
}
|
|
else { // we just need to get the block parent of aNode
|
|
result = nsTextEditor::GetBlockParent(aNode, getter_AddRefs(blockParentElement));
|
|
}
|
|
// at this point, we must have a good result, a node to reparent, and a block parent
|
|
if (!nodeToReParent) { return NS_ERROR_UNEXPECTED;}
|
|
if (!blockParentElement) { return NS_ERROR_NULL_POINTER;}
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
nsCOMPtr<nsIDOMNode> newParentNode;
|
|
nsCOMPtr<nsIDOMNode> blockParentNode = do_QueryInterface(blockParentElement);
|
|
// we need to treat nodes directly inside the body differently
|
|
nsAutoString parentTag;
|
|
blockParentElement->GetTagName(parentTag);
|
|
PRBool isRoot;
|
|
IsRootTag(parentTag, isRoot);
|
|
if (PR_TRUE==isRoot)
|
|
{
|
|
// if nodeToReParent is a text node, we have <ROOT>Text.
|
|
// re-parent Text into a new <aTag> at the offset of Text in <ROOT>
|
|
// so we end up with <ROOT><aTag>Text
|
|
// ignore aTransformation, replaces act like inserts
|
|
nsCOMPtr<nsIDOMCharacterData> nodeAsText = do_QueryInterface(nodeToReParent);
|
|
if (nodeAsText)
|
|
{
|
|
result = ReParentBlockContent(nodeToReParent, aParentTag, blockParentNode, parentTag,
|
|
aTransformation, getter_AddRefs(newParentNode));
|
|
}
|
|
else
|
|
{ // this is the case of an insertion point between 2 non-text objects
|
|
// XXX: how to you know it's an insertion point???
|
|
PRInt32 offsetInParent=0;
|
|
result = nsIEditorSupport::GetChildOffset(nodeToReParent, blockParentNode, offsetInParent);
|
|
NS_ASSERTION((NS_SUCCEEDED(result)), "bad result from GetChildOffset");
|
|
// otherwise, just create the block parent at the selection
|
|
result = nsTextEditor::CreateNode(aParentTag, blockParentNode, offsetInParent,
|
|
getter_AddRefs(newParentNode));
|
|
// XXX: need to move some of the children of blockParentNode into the newParentNode?
|
|
// XXX: need to create a bogus text node inside this new block?
|
|
// that means, I need to generalize bogus node handling
|
|
}
|
|
}
|
|
else
|
|
{ // the block parent is not a ROOT,
|
|
// for the selected block content, transform blockParentNode
|
|
if (((eReplaceParent==aTransformation) && (PR_FALSE==parentTag.EqualsIgnoreCase(aParentTag))) ||
|
|
(eInsertParent==aTransformation))
|
|
{
|
|
if (gNoisy) { DebugDumpContent(); } // DEBUG
|
|
result = ReParentBlockContent(nodeToReParent, aParentTag, blockParentNode, parentTag,
|
|
aTransformation, getter_AddRefs(newParentNode));
|
|
if ((NS_SUCCEEDED(result)) && (newParentNode) && (eReplaceParent==aTransformation))
|
|
{
|
|
PRBool hasChildren;
|
|
blockParentNode->HasChildNodes(&hasChildren);
|
|
if (PR_FALSE==hasChildren)
|
|
{
|
|
result = nsEditor::DeleteNode(blockParentNode);
|
|
if (gNoisy)
|
|
{
|
|
printf("deleted old block parent node %p\n", blockParentNode.get());
|
|
DebugDumpContent(); // DEBUG
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else { // otherwise, it's a no-op
|
|
if (gNoisy) { printf("AddBlockParent is a no-op for this collapsed selection.\n"); }
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::ReParentBlockContent(nsIDOMNode *aNode,
|
|
nsString &aParentTag,
|
|
nsIDOMNode *aBlockParentNode,
|
|
nsString &aBlockParentTag,
|
|
BlockTransformationType aTranformation,
|
|
nsIDOMNode **aNewParentNode)
|
|
{
|
|
if (!aNode || !aBlockParentNode || !aNewParentNode) { return NS_ERROR_NULL_POINTER; }
|
|
nsCOMPtr<nsIDOMNode>ancestor;
|
|
nsresult result = aNode->GetParentNode(getter_AddRefs(ancestor));
|
|
nsCOMPtr<nsIDOMNode>previousAncestor = do_QueryInterface(aNode);
|
|
while (NS_SUCCEEDED(result) && ancestor)
|
|
{
|
|
nsCOMPtr<nsIDOMElement>ancestorElement = do_QueryInterface(ancestor);
|
|
nsAutoString ancestorTag;
|
|
ancestorElement->GetTagName(ancestorTag);
|
|
if (ancestorTag.EqualsIgnoreCase(aBlockParentTag))
|
|
{
|
|
break; // previousAncestor will contain the node to operate on
|
|
}
|
|
previousAncestor = do_QueryInterface(ancestor);
|
|
result = ancestorElement->GetParentNode(getter_AddRefs(ancestor));
|
|
}
|
|
// now, previousAncestor is the node we are operating on
|
|
nsCOMPtr<nsIDOMNode>leftNode, rightNode;
|
|
result = GetBlockDelimitedContent(previousAncestor,
|
|
getter_AddRefs(leftNode),
|
|
getter_AddRefs(rightNode));
|
|
if ((NS_SUCCEEDED(result)) && leftNode && rightNode)
|
|
{
|
|
PRInt32 offsetInParent=0;
|
|
if (eInsertParent==aTranformation)
|
|
{
|
|
result = nsIEditorSupport::GetChildOffset(leftNode, aBlockParentNode, offsetInParent);
|
|
NS_ASSERTION((NS_SUCCEEDED(result)), "bad result from GetChildOffset");
|
|
result = nsTextEditor::CreateNode(aParentTag, aBlockParentNode, offsetInParent, aNewParentNode);
|
|
if (gNoisy) { printf("created a node in aBlockParentNode at offset %d\n", offsetInParent); }
|
|
}
|
|
else
|
|
{
|
|
nsCOMPtr<nsIDOMNode> grandParent;
|
|
result = aBlockParentNode->GetParentNode(getter_AddRefs(grandParent));
|
|
if ((NS_SUCCEEDED(result)) && grandParent)
|
|
{
|
|
nsCOMPtr<nsIDOMNode>firstChildNode, lastChildNode;
|
|
aBlockParentNode->GetFirstChild(getter_AddRefs(firstChildNode));
|
|
aBlockParentNode->GetLastChild(getter_AddRefs(lastChildNode));
|
|
if (firstChildNode==leftNode && lastChildNode==rightNode)
|
|
{
|
|
result = nsIEditorSupport::GetChildOffset(aBlockParentNode, grandParent, offsetInParent);
|
|
NS_ASSERTION((NS_SUCCEEDED(result)), "bad result from GetChildOffset");
|
|
result = nsTextEditor::CreateNode(aParentTag, grandParent, offsetInParent, aNewParentNode);
|
|
if (gNoisy) { printf("created a node in grandParent at offset %d\n", offsetInParent); }
|
|
}
|
|
else
|
|
{
|
|
result = nsIEditorSupport::GetChildOffset(leftNode, aBlockParentNode, offsetInParent);
|
|
NS_ASSERTION((NS_SUCCEEDED(result)), "bad result from GetChildOffset");
|
|
result = nsTextEditor::CreateNode(aParentTag, aBlockParentNode, offsetInParent, aNewParentNode);
|
|
if (gNoisy) { printf("created a node in aBlockParentNode at offset %d\n", offsetInParent); }
|
|
}
|
|
}
|
|
}
|
|
if ((NS_SUCCEEDED(result)) && *aNewParentNode)
|
|
{ // move all the children/contents of aBlockParentNode to aNewParentNode
|
|
nsCOMPtr<nsIDOMNode>childNode = do_QueryInterface(rightNode);
|
|
nsCOMPtr<nsIDOMNode>previousSiblingNode;
|
|
while (NS_SUCCEEDED(result) && childNode)
|
|
{
|
|
childNode->GetPreviousSibling(getter_AddRefs(previousSiblingNode));
|
|
// explicitly delete of childNode from it's current parent
|
|
// can't just rely on DOM semantics of InsertNode doing the delete implicitly, doesn't undo!
|
|
result = nsEditor::DeleteNode(childNode);
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
result = nsEditor::InsertNode(childNode, *aNewParentNode, 0);
|
|
if (gNoisy)
|
|
{
|
|
printf("re-parented sibling node %p\n", childNode.get());
|
|
}
|
|
}
|
|
if (childNode==leftNode || rightNode==leftNode) {
|
|
break;
|
|
}
|
|
childNode = do_QueryInterface(previousSiblingNode);
|
|
} // end while loop
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::ReParentContentOfRange(nsIDOMRange *aRange,
|
|
nsString &aParentTag,
|
|
BlockTransformationType aTranformation)
|
|
{
|
|
if (!aRange) { return NS_ERROR_NULL_POINTER; }
|
|
nsresult result;
|
|
nsISupportsArray *subRanges;
|
|
result = NS_NewISupportsArray(&subRanges);
|
|
if ((NS_SUCCEEDED(result)) && subRanges)
|
|
{
|
|
result = GetBlockRanges(aRange, subRanges);
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
nsIDOMRange *subRange;
|
|
subRange = (nsIDOMRange *)(subRanges->ElementAt(0));
|
|
while (subRange && (NS_SUCCEEDED(result)))
|
|
{
|
|
nsCOMPtr<nsIDOMNode>startParent;
|
|
result = subRange->GetStartParent(getter_AddRefs(startParent));
|
|
if (NS_SUCCEEDED(result) && startParent)
|
|
{
|
|
result = ReParentContentOfNode(startParent, aParentTag, aTranformation);
|
|
}
|
|
NS_RELEASE(subRange);
|
|
subRanges->RemoveElementAt(0);
|
|
subRange = (nsIDOMRange *)(subRanges->ElementAt(0));
|
|
}
|
|
}
|
|
NS_RELEASE(subRanges);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
// this should probably get moved into rules? is this an app-level choice, or
|
|
// a restriction of HTML itself?
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::CanContainBlock(nsString &aBlockChild, nsString &aBlockParent, PRBool &aCanContain)
|
|
{
|
|
if (aBlockParent.EqualsIgnoreCase("body") ||
|
|
aBlockParent.EqualsIgnoreCase("td") ||
|
|
aBlockParent.EqualsIgnoreCase("th") ||
|
|
aBlockParent.EqualsIgnoreCase("blockquote") )
|
|
{
|
|
aCanContain = PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
aCanContain = PR_FALSE;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::RemoveBlockParent()
|
|
{
|
|
if (gNoisy) {
|
|
printf("---------- nsHTMLEditor::RemoveBlockParent ----------\n");
|
|
}
|
|
|
|
nsresult result=NS_ERROR_NOT_INITIALIZED;
|
|
nsCOMPtr<nsIDOMSelection>selection;
|
|
result = nsEditor::GetSelection(getter_AddRefs(selection));
|
|
if ((NS_SUCCEEDED(result)) && selection)
|
|
{
|
|
nsEditor::BeginTransaction();
|
|
nsCOMPtr<nsIEnumerator> enumerator;
|
|
enumerator = do_QueryInterface(selection);
|
|
if (enumerator)
|
|
{
|
|
enumerator->First();
|
|
nsISupports *currentItem;
|
|
result = enumerator->CurrentItem(¤tItem);
|
|
if ((NS_SUCCEEDED(result)) && (nsnull!=currentItem))
|
|
{
|
|
nsCOMPtr<nsIDOMRange> range( do_QueryInterface(currentItem) );
|
|
nsCOMPtr<nsIDOMNode>commonParent;
|
|
result = range->GetCommonParent(getter_AddRefs(commonParent));
|
|
if ((NS_SUCCEEDED(result)) && commonParent)
|
|
{
|
|
PRInt32 startOffset, endOffset;
|
|
range->GetStartOffset(&startOffset);
|
|
range->GetEndOffset(&endOffset);
|
|
nsCOMPtr<nsIDOMNode> startParent; nsCOMPtr<nsIDOMNode> endParent;
|
|
range->GetStartParent(getter_AddRefs(startParent));
|
|
range->GetEndParent(getter_AddRefs(endParent));
|
|
if (startParent.get()==endParent.get())
|
|
{ // the range is entirely contained within a single node
|
|
nsCOMPtr<nsIDOMElement>blockParentElement;
|
|
result = nsTextEditor::GetBlockParent(startParent, getter_AddRefs(blockParentElement));
|
|
while ((NS_SUCCEEDED(result)) && blockParentElement)
|
|
{
|
|
nsAutoString childTag; // leave as empty string
|
|
nsAutoString blockParentTag;
|
|
blockParentElement->GetTagName(blockParentTag);
|
|
PRBool canContain;
|
|
CanContainBlock(childTag, blockParentTag, canContain);
|
|
if (PR_TRUE==canContain) {
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
// go through list backwards so deletes don't interfere with the iteration
|
|
nsCOMPtr<nsIDOMNodeList> childNodes;
|
|
result = blockParentElement->GetChildNodes(getter_AddRefs(childNodes));
|
|
if ((NS_SUCCEEDED(result)) && (childNodes))
|
|
{
|
|
nsCOMPtr<nsIDOMNode>grandParent;
|
|
blockParentElement->GetParentNode(getter_AddRefs(grandParent));
|
|
PRInt32 offsetInParent;
|
|
result = nsIEditorSupport::GetChildOffset(blockParentElement, grandParent, offsetInParent);
|
|
PRUint32 childCount;
|
|
childNodes->GetLength(&childCount);
|
|
PRInt32 i=childCount-1;
|
|
for ( ; ((NS_SUCCEEDED(result)) && (0<=i)); i--)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> childNode;
|
|
result = childNodes->Item(i, getter_AddRefs(childNode));
|
|
if ((NS_SUCCEEDED(result)) && (childNode))
|
|
{
|
|
result = nsTextEditor::DeleteNode(childNode);
|
|
if (NS_SUCCEEDED(result)) {
|
|
result = nsTextEditor::InsertNode(childNode, grandParent, offsetInParent);
|
|
}
|
|
}
|
|
}
|
|
if (NS_SUCCEEDED(result)) {
|
|
result = nsTextEditor::DeleteNode(blockParentElement);
|
|
}
|
|
}
|
|
}
|
|
result = nsTextEditor::GetBlockParent(startParent, getter_AddRefs(blockParentElement));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
nsEditor::EndTransaction();
|
|
}
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::RemoveParent(const nsString &aParentTag)
|
|
{
|
|
if (gNoisy) {
|
|
printf("---------- nsHTMLEditor::RemoveParent %s----------\n", aParentTag);
|
|
}
|
|
|
|
nsresult result=NS_ERROR_NOT_INITIALIZED;
|
|
nsCOMPtr<nsIDOMSelection>selection;
|
|
result = nsEditor::GetSelection(getter_AddRefs(selection));
|
|
if ((NS_SUCCEEDED(result)) && selection)
|
|
{
|
|
nsEditor::BeginTransaction();
|
|
nsCOMPtr<nsIEnumerator> enumerator;
|
|
enumerator = do_QueryInterface(selection);
|
|
if (enumerator)
|
|
{
|
|
enumerator->First();
|
|
nsISupports *currentItem;
|
|
result = enumerator->CurrentItem(¤tItem);
|
|
if ((NS_SUCCEEDED(result)) && (nsnull!=currentItem))
|
|
{
|
|
nsCOMPtr<nsIDOMRange> range( do_QueryInterface(currentItem) );
|
|
nsCOMPtr<nsIDOMNode>commonParent;
|
|
result = range->GetCommonParent(getter_AddRefs(commonParent));
|
|
if ((NS_SUCCEEDED(result)) && commonParent)
|
|
{
|
|
PRInt32 startOffset, endOffset;
|
|
range->GetStartOffset(&startOffset);
|
|
range->GetEndOffset(&endOffset);
|
|
nsCOMPtr<nsIDOMNode> startParent; nsCOMPtr<nsIDOMNode> endParent;
|
|
range->GetStartParent(getter_AddRefs(startParent));
|
|
range->GetEndParent(getter_AddRefs(endParent));
|
|
if (startParent.get()==endParent.get())
|
|
{ // the range is entirely contained within a single node
|
|
nsCOMPtr<nsIDOMNode>parentNode;
|
|
nsCOMPtr<nsIDOMElement>parentElement;
|
|
result = startParent->GetParentNode(getter_AddRefs(parentNode));
|
|
while ((NS_SUCCEEDED(result)) && parentNode)
|
|
{
|
|
parentElement = do_QueryInterface(parentNode);
|
|
nsAutoString childTag; // leave as empty string
|
|
nsAutoString parentTag;
|
|
parentElement->GetTagName(parentTag);
|
|
PRBool canContain;
|
|
CanContainBlock(childTag, parentTag, canContain);
|
|
if (aParentTag.EqualsIgnoreCase(parentTag))
|
|
{
|
|
// go through list backwards so deletes don't interfere with the iteration
|
|
nsCOMPtr<nsIDOMNodeList> childNodes;
|
|
result = parentElement->GetChildNodes(getter_AddRefs(childNodes));
|
|
if ((NS_SUCCEEDED(result)) && (childNodes))
|
|
{
|
|
nsCOMPtr<nsIDOMNode>grandParent;
|
|
parentElement->GetParentNode(getter_AddRefs(grandParent));
|
|
PRInt32 offsetInParent;
|
|
result = nsIEditorSupport::GetChildOffset(parentElement, grandParent, offsetInParent);
|
|
PRUint32 childCount;
|
|
childNodes->GetLength(&childCount);
|
|
PRInt32 i=childCount-1;
|
|
for ( ; ((NS_SUCCEEDED(result)) && (0<=i)); i--)
|
|
{
|
|
nsCOMPtr<nsIDOMNode> childNode;
|
|
result = childNodes->Item(i, getter_AddRefs(childNode));
|
|
if ((NS_SUCCEEDED(result)) && (childNode))
|
|
{
|
|
result = nsTextEditor::DeleteNode(childNode);
|
|
if (NS_SUCCEEDED(result)) {
|
|
result = nsTextEditor::InsertNode(childNode, grandParent, offsetInParent);
|
|
}
|
|
}
|
|
}
|
|
if (NS_SUCCEEDED(result)) {
|
|
result = nsTextEditor::DeleteNode(parentElement);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
else if (PR_TRUE==canContain) { // hit a subdoc, terminate?
|
|
break;
|
|
}
|
|
result = parentElement->GetParentNode(getter_AddRefs(parentNode));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
nsEditor::EndTransaction();
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::InsertLink(nsString& aURL)
|
|
{
|
|
nsresult res = nsEditor::BeginTransaction();
|
|
|
|
// Find out if the selection is collapsed:
|
|
nsCOMPtr<nsIDOMSelection> selection;
|
|
res = GetSelection(getter_AddRefs(selection));
|
|
if (!NS_SUCCEEDED(res) || !selection)
|
|
{
|
|
#ifdef DEBUG_akkana
|
|
printf("Can't get selection!");
|
|
#endif
|
|
return res;
|
|
}
|
|
PRBool isCollapsed;
|
|
res = selection->GetIsCollapsed(&isCollapsed);
|
|
if (!NS_SUCCEEDED(res))
|
|
isCollapsed = PR_TRUE;
|
|
|
|
// Temporary: we need to save the contents of the selection,
|
|
// then insert them back in as the child of the newly created
|
|
// anchor node in order to put the link around the selection.
|
|
// This will require copying the selection into a document fragment,
|
|
// then splicing the document fragment back into the tree after the
|
|
// new anchor node has been put in place. As a temporary solution,
|
|
// Copy/Paste does this for us in the text case
|
|
// (and eventually in all cases).
|
|
if (!isCollapsed)
|
|
(void)Copy();
|
|
|
|
nsCOMPtr<nsIDOMNode> newNode;
|
|
nsAutoString tag("A");
|
|
res = nsEditor::DeleteSelectionAndCreateNode(tag, getter_AddRefs(newNode));
|
|
if (!NS_SUCCEEDED(res) || !newNode)
|
|
return res;
|
|
|
|
nsCOMPtr<nsIDOMHTMLAnchorElement> anchor (do_QueryInterface(newNode));
|
|
if (!anchor)
|
|
{
|
|
#ifdef DEBUG_akkana
|
|
printf("Not an anchor element\n");
|
|
#endif
|
|
return NS_NOINTERFACE;
|
|
}
|
|
|
|
res = anchor->SetHref(aURL);
|
|
if (!NS_SUCCEEDED(res))
|
|
{
|
|
#ifdef DEBUG_akkana
|
|
printf("SetHref failed");
|
|
#endif
|
|
return res;
|
|
}
|
|
|
|
// Set the selection to the node we just inserted:
|
|
res = GetSelection(getter_AddRefs(selection));
|
|
if (!NS_SUCCEEDED(res) || !selection)
|
|
{
|
|
#ifdef DEBUG_akkana
|
|
printf("Can't get selection!");
|
|
#endif
|
|
return res;
|
|
}
|
|
res = selection->Collapse(newNode, 0);
|
|
if (!NS_SUCCEEDED(res))
|
|
{
|
|
#ifdef DEBUG_akkana
|
|
printf("Couldn't collapse");
|
|
#endif
|
|
return res;
|
|
}
|
|
|
|
// If we weren't collapsed, paste the old selection back in under the link:
|
|
if (!isCollapsed)
|
|
(void)Paste();
|
|
// Otherwise (we were collapsed) insert some bogus text in
|
|
// so the link will be visible
|
|
else
|
|
{
|
|
nsString link("[***]");
|
|
(void) InsertText(link); // ignore return value -- we don't care
|
|
}
|
|
|
|
nsEditor::EndTransaction(); // don't return this result!
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::InsertImage(nsString& aURL,
|
|
nsString& aWidth, nsString& aHeight,
|
|
nsString& aHspace, nsString& aVspace,
|
|
nsString& aBorder,
|
|
nsString& aAlt,
|
|
nsString& aAlignment)
|
|
{
|
|
nsresult res;
|
|
nsCOMPtr<nsIDOMNode> newNode;
|
|
|
|
nsCOMPtr<nsIDOMDocument>doc;
|
|
res = GetDocument(getter_AddRefs(doc));
|
|
if (NS_SUCCEEDED(res))
|
|
{
|
|
nsAutoString tag("IMG");
|
|
nsCOMPtr<nsIDOMElement>newElement;
|
|
res = doc->CreateElement(tag, getter_AddRefs(newElement));
|
|
if (NS_SUCCEEDED(res) && newElement)
|
|
{
|
|
newNode = do_QueryInterface(newElement);
|
|
nsCOMPtr<nsIDOMHTMLImageElement> image (do_QueryInterface(newNode));
|
|
// Set all the attributes now, before we insert into the tree:
|
|
if (image)
|
|
{
|
|
if (NS_SUCCEEDED(res = image->SetSrc(aURL)))
|
|
if (NS_SUCCEEDED(res = image->SetWidth(aWidth)))
|
|
if (NS_SUCCEEDED(res = image->SetHeight(aHeight)))
|
|
if (NS_SUCCEEDED(res = image->SetAlt(aAlt)))
|
|
if (NS_SUCCEEDED(res = image->SetBorder(aBorder)))
|
|
if (NS_SUCCEEDED(res = image->SetAlign(aAlignment)))
|
|
if (NS_SUCCEEDED(res = image->SetHspace(aHspace)))
|
|
if (NS_SUCCEEDED(res = image->SetVspace(aVspace)))
|
|
;
|
|
}
|
|
}
|
|
}
|
|
|
|
// If any of these failed, then don't insert the new node into the tree
|
|
if (!NS_SUCCEEDED(res))
|
|
{
|
|
#ifdef DEBUG_akkana
|
|
printf("Some failure creating the new image node\n");
|
|
#endif
|
|
return res;
|
|
}
|
|
|
|
//
|
|
// Now we're ready to insert the new image node:
|
|
// Starting now, don't return without ending the transaction!
|
|
//
|
|
(void)nsEditor::BeginTransaction();
|
|
|
|
nsCOMPtr<nsIDOMNode> parentNode;
|
|
PRInt32 offsetOfNewNode;
|
|
res = nsEditor::DeleteSelectionAndPrepareToCreateNode(parentNode,
|
|
offsetOfNewNode);
|
|
if (NS_SUCCEEDED(res))
|
|
{
|
|
// and insert it into the right place in the tree:
|
|
res = InsertNode(newNode, parentNode, offsetOfNewNode);
|
|
}
|
|
|
|
(void)nsEditor::EndTransaction(); // don't return this result!
|
|
|
|
return res;
|
|
}
|
|
|
|
// This should replace InsertLink and InsertImage once it is working
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::GetSelectedElement(const nsString& aTagName, nsIDOMElement** aReturn)
|
|
{
|
|
if (!aReturn )
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
*aReturn = nsnull;
|
|
|
|
nsAutoString TagName = aTagName;
|
|
TagName.ToLowerCase();
|
|
|
|
//Note that this doesn't need to go through the transaction system
|
|
|
|
nsresult result=NS_ERROR_NOT_INITIALIZED;
|
|
PRBool first=PR_TRUE;
|
|
nsCOMPtr<nsIDOMSelection>selection;
|
|
result = nsEditor::GetSelection(getter_AddRefs(selection));
|
|
if (!NS_SUCCEEDED(result) || !selection)
|
|
return result;
|
|
|
|
PRBool isCollapsed;
|
|
selection->GetIsCollapsed(&isCollapsed);
|
|
nsCOMPtr<nsIDOMElement> selectedElement;
|
|
PRBool bNodeFound = PR_FALSE;
|
|
|
|
// Don't bother to examine selection if it is collapsed
|
|
if (!isCollapsed)
|
|
{
|
|
nsCOMPtr<nsIEnumerator> enumerator;
|
|
enumerator = do_QueryInterface(selection);
|
|
if (enumerator)
|
|
{
|
|
enumerator->First();
|
|
nsISupports *currentItem;
|
|
result = enumerator->CurrentItem(¤tItem);
|
|
if ((NS_SUCCEEDED(result)) && currentItem)
|
|
{
|
|
nsCOMPtr<nsIDOMRange> range( do_QueryInterface(currentItem) );
|
|
nsCOMPtr<nsIContentIterator> iter;
|
|
result = nsComponentManager::CreateInstance(kCContentIteratorCID, nsnull,
|
|
kIContentIteratorIID,
|
|
getter_AddRefs(iter));
|
|
if ((NS_SUCCEEDED(result)) && iter)
|
|
{
|
|
iter->Init(range);
|
|
// loop through the content iterator for each content node
|
|
nsCOMPtr<nsIContent> content;
|
|
result = iter->CurrentNode(getter_AddRefs(content));
|
|
PRBool bOtherNodeTypeFound = PR_FALSE;
|
|
|
|
while (NS_COMFALSE == iter->IsDone())
|
|
{
|
|
// Query interface to cast nsIContent to nsIDOMNode
|
|
// then get tagType to compare to aTagName
|
|
// Clone node of each desired type and append it to the aDomFrag
|
|
selectedElement = do_QueryInterface(content);
|
|
if (selectedElement)
|
|
{
|
|
// If we already found a node, then we have another element,
|
|
// so don't return an element
|
|
if (bNodeFound)
|
|
{
|
|
bNodeFound;
|
|
break;
|
|
}
|
|
|
|
nsAutoString domTagName;
|
|
selectedElement->GetNodeName(domTagName);
|
|
|
|
// The "A" tag is a pain,
|
|
// used for both link(href is set) and "Named Anchor"
|
|
if (aTagName == "HREF" || (aTagName == "ANCHOR"))
|
|
{
|
|
// We could use GetAttribute, but might as well use anchor element directly
|
|
nsCOMPtr<nsIDOMHTMLAnchorElement> anchor = do_QueryInterface(selectedElement);
|
|
if (anchor)
|
|
{
|
|
nsString tmpText;
|
|
if( aTagName == "HREF")
|
|
{
|
|
if (NS_SUCCEEDED(anchor->GetHref(tmpText)) && tmpText.GetUnicode() && tmpText.Length() != 0)
|
|
bNodeFound = PR_TRUE;
|
|
} else if (aTagName == "ANCHOR")
|
|
{
|
|
if (NS_SUCCEEDED(anchor->GetName(tmpText)) && tmpText.GetUnicode() && tmpText.Length() != 0)
|
|
bNodeFound = PR_TRUE;
|
|
}
|
|
}
|
|
} else if (aTagName == domTagName) { // All other tag names are handled here
|
|
bNodeFound = PR_TRUE;
|
|
}
|
|
if (!bNodeFound)
|
|
{
|
|
// Check if node we have is really part of the selection???
|
|
break;
|
|
}
|
|
}
|
|
|
|
iter->Next();
|
|
}
|
|
if (!bNodeFound)
|
|
printf("No nodes of tag name = %s were found in selection\n", aTagName);
|
|
}
|
|
} else {
|
|
// Should never get here?
|
|
isCollapsed = PR_TRUE;
|
|
printf("isCollapsed was FALSE, but no elements found in selection\n");
|
|
}
|
|
} else {
|
|
printf("Could not create enumerator for GetSelectionProperties\n");
|
|
}
|
|
}
|
|
if (bNodeFound)
|
|
{
|
|
|
|
*aReturn = selectedElement;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::CreateElementWithDefaults(const nsString& aTagName, nsIDOMElement** aReturn)
|
|
{
|
|
nsresult result=NS_ERROR_NOT_INITIALIZED;
|
|
if (aReturn)
|
|
*aReturn = nsnull;
|
|
|
|
if (aTagName == "" || !aReturn)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
nsAutoString TagName = aTagName;
|
|
TagName.ToLowerCase();
|
|
nsAutoString realTagName;
|
|
|
|
PRBool isHREF = (TagName == "href");
|
|
PRBool isAnchor = (TagName == "anchor");
|
|
if (isHREF || isAnchor)
|
|
{
|
|
realTagName = "a";
|
|
} else {
|
|
realTagName = TagName;
|
|
}
|
|
//We don't use editor's CreateElement because we don't want to
|
|
// go through the transaction system
|
|
|
|
nsCOMPtr<nsIDOMElement>newElement;
|
|
result = mDoc->CreateElement(realTagName, getter_AddRefs(newElement));
|
|
if (!NS_SUCCEEDED(result) || !newElement)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
|
|
// Set default values for new elements
|
|
// SHOULD THIS BE PUT IN "RULES" SYSTEM OR
|
|
// ATTRIBUTES SAVED IN PREFS?
|
|
if (isAnchor)
|
|
{
|
|
// TODO: Get the text of the selection and build a suggested Name
|
|
// Replace spaces with "_"
|
|
}
|
|
// ADD OTHER DEFAULT ATTRIBUTES HERE
|
|
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
*aReturn = newElement; //do_QueryInterface(newElement);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLEditor::InsertElement(nsIDOMElement* aElement, PRBool aDeleteSelection, nsIDOMElement** aReturn)
|
|
{
|
|
nsresult result=NS_ERROR_NOT_INITIALIZED;
|
|
if (aReturn)
|
|
*aReturn = nsnull;
|
|
|
|
if (!aElement || !aReturn)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
result = nsEditor::BeginTransaction();
|
|
if (NS_FAILED(result))
|
|
return result;
|
|
|
|
nsCOMPtr<nsIDOMNode> parentSelectedNode;
|
|
PRInt32 offsetOfNewNode;
|
|
|
|
DeleteSelectionAndPrepareToCreateNode(parentSelectedNode, offsetOfNewNode);
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
nsCOMPtr<nsIDOMNode> newNode = do_QueryInterface(aElement);
|
|
|
|
result = InsertNode(aElement, parentSelectedNode, offsetOfNewNode);
|
|
|
|
}
|
|
(void)nsEditor::EndTransaction();
|
|
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP nsHTMLEditor::BeginComposition(void)
|
|
{
|
|
return nsTextEditor::BeginComposition();
|
|
}
|
|
|
|
NS_IMETHODIMP nsHTMLEditor::EndComposition(void)
|
|
{
|
|
return nsTextEditor::EndComposition();
|
|
}
|
|
|
|
NS_IMETHODIMP nsHTMLEditor::SetCompositionString(const nsString& aCompositionString)
|
|
{
|
|
return nsTextEditor::SetCompositionString(aCompositionString);
|
|
} |