pjs/editor/base/nsComposerCommands.cpp

971 строка
24 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*
*/
#include "nsIEditor.h"
#include "nsIHTMLEditor.h"
#include "nsIEditorShell.h"
#include "nsIDOMSelection.h"
#include "nsIDOMNode.h"
#include "nsIDOMElement.h"
#include "nsIDOMWindow.h"
#include "nsIDOMDocument.h"
#include "nsIClipboard.h"
#include "nsXPIDLString.h"
#include "nsComposerCommands.h"
nsBaseComposerCommand::nsBaseComposerCommand()
{
NS_INIT_REFCNT();
}
NS_IMPL_ISUPPORTS(nsBaseComposerCommand, NS_GET_IID(nsIControllerCommand));
//--------------------------------------------------------------------------------------------------------------------
nsresult
nsBaseComposerCommand::GetInterfaceNode(const PRUnichar* nodeID, nsIEditorShell* editorShell, nsIDOMElement **outNode)
//--------------------------------------------------------------------------------------------------------------------
{
*outNode = nsnull;
NS_ASSERTION(editorShell, "Should have an editorShell here");
nsCOMPtr<nsIDOMWindow> webshellWindow;
editorShell->GetWebShellWindow(getter_AddRefs(webshellWindow));
if (!webshellWindow) return NS_ERROR_FAILURE;
nsCOMPtr<nsIDOMDocument> chromeDoc;
webshellWindow->GetDocument(getter_AddRefs(chromeDoc));
if (!chromeDoc) return NS_ERROR_FAILURE;
nsCOMPtr<nsIDOMElement> elem;
return chromeDoc->GetElementById(nsAutoString(nodeID), outNode);
}
//--------------------------------------------------------------------------------------------------------------------
nsresult
nsBaseComposerCommand::GetCommandNodeState(const PRUnichar *aCommand, nsIEditorShell* editorShell, nsString& outNodeState)
//--------------------------------------------------------------------------------------------------------------------
{
nsCOMPtr<nsIDOMElement> uiNode;
GetInterfaceNode(aCommand, editorShell, getter_AddRefs(uiNode));
if (!uiNode) return NS_ERROR_FAILURE;
return uiNode->GetAttribute(NS_ConvertASCIItoUCS2("state").GetUnicode(), outNodeState);
}
//--------------------------------------------------------------------------------------------------------------------
nsresult
nsBaseComposerCommand::SetCommandNodeState(const PRUnichar *aCommand, nsIEditorShell* editorShell, const nsString& inNodeState)
//--------------------------------------------------------------------------------------------------------------------
{
nsCOMPtr<nsIDOMElement> uiNode;
GetInterfaceNode(aCommand, editorShell, getter_AddRefs(uiNode));
if (!uiNode) return NS_ERROR_FAILURE;
return uiNode->SetAttribute(NS_ConvertASCIItoUCS2("state").GetUnicode(), inNodeState);
}
#ifdef XP_MAC
#pragma mark -
#endif
nsBaseStateUpdatingCommand::nsBaseStateUpdatingCommand(const char* aTagName)
: nsBaseComposerCommand()
, mTagName(aTagName)
{
}
nsBaseStateUpdatingCommand::~nsBaseStateUpdatingCommand()
{
}
NS_IMPL_ISUPPORTS_INHERITED1(nsBaseStateUpdatingCommand, nsBaseComposerCommand, nsIStateUpdatingControllerCommand);
NS_IMETHODIMP
nsBaseStateUpdatingCommand::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
{
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
*outCmdEnabled = PR_FALSE;
if (!editorShell) return NS_OK;
// check for plain text?
nsCOMPtr<nsIEditor> editor;
editorShell->GetEditor(getter_AddRefs(editor));
if (!editor) return NS_OK;
*outCmdEnabled = PR_TRUE;
// also udpate the command state
return UpdateCommandState(aCommand, refCon);
}
NS_IMETHODIMP
nsBaseStateUpdatingCommand::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
{
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
if (!editorShell) return NS_ERROR_NOT_INITIALIZED;
nsresult rv = ToggleState(editorShell, mTagName);
if (NS_FAILED(rv)) return rv;
return UpdateCommandState(aCommand, refCon);
}
NS_IMETHODIMP
nsBaseStateUpdatingCommand::UpdateCommandState(const PRUnichar *aCommandName, nsISupports * refCon)
{
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
nsresult rv = NS_OK;
if (editorShell)
{
PRBool stateIsSet;
rv = GetCurrentState(editorShell, mTagName, stateIsSet);
if (NS_FAILED(rv)) return rv;
if (!mGotState || (stateIsSet != mState))
{
// poke the UI
SetCommandNodeState(aCommandName, editorShell, NS_ConvertASCIItoUCS2(stateIsSet ? "true" : "false"));
mGotState = PR_TRUE;
mState = stateIsSet;
}
}
return rv;
}
#ifdef XP_MAC
#pragma mark -
#endif
NS_IMETHODIMP
nsCloseCommand::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
{
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
*outCmdEnabled = PR_FALSE;
if (editorShell)
{
*outCmdEnabled = PR_TRUE; // check if loading etc?
}
return NS_OK;
}
NS_IMETHODIMP
nsCloseCommand::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
{
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
nsresult rv = NS_OK;
if (editorShell)
{
PRBool wasConfirmed;
rv = editorShell->CloseWindow(&wasConfirmed);
}
return rv;
}
#ifdef XP_MAC
#pragma mark -
#endif
NS_IMETHODIMP
nsPrintingCommands::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
{
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
*outCmdEnabled = PR_FALSE;
if (!editorShell) return NS_OK;
nsAutoString cmdString(aCommand);
if (cmdString.EqualsWithConversion("cmd_print"))
*outCmdEnabled = PR_TRUE;
else if (cmdString.EqualsWithConversion("cmd_printSetup"))
*outCmdEnabled = PR_FALSE; // not implemented yet
else if (cmdString.EqualsWithConversion("cmd_printPreview"))
*outCmdEnabled = PR_FALSE; // not implemented yet
return NS_OK;
}
NS_IMETHODIMP
nsPrintingCommands::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
{
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
if (!editorShell) return NS_ERROR_NULL_POINTER;
nsresult rv = NS_OK;
nsAutoString cmdString(aCommand);
if (cmdString.EqualsWithConversion("cmd_print"))
rv = editorShell->Print();
else if (cmdString.EqualsWithConversion("cmd_printSetup"))
rv = NS_ERROR_NOT_IMPLEMENTED;
else if (cmdString.EqualsWithConversion("cmd_printPreview"))
rv = NS_ERROR_NOT_IMPLEMENTED;
return rv;
}
#ifdef XP_MAC
#pragma mark -
#endif
NS_IMETHODIMP
nsSaveCommand::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
{
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
*outCmdEnabled = PR_FALSE;
if (editorShell)
{
PRBool docModified;
if (NS_SUCCEEDED(editorShell->GetDocumentModified(&docModified)))
*outCmdEnabled = docModified;
}
return NS_OK;
}
NS_IMETHODIMP
nsSaveCommand::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
{
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
nsresult rv = NS_OK;
if (editorShell)
{
PRBool wasSaved;
rv = editorShell->SaveDocument(PR_FALSE, PR_FALSE, &wasSaved);
}
return rv;
}
#ifdef XP_MAC
#pragma mark -
#endif
NS_IMETHODIMP
nsSaveAsCommand::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
{
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
*outCmdEnabled = (editorShell.get() != nsnull);
return NS_OK;
}
NS_IMETHODIMP
nsSaveAsCommand::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
{
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
nsresult rv = NS_OK;
if (editorShell)
{
PRBool wasSaved;
rv = editorShell->SaveDocument(PR_TRUE, PR_FALSE, &wasSaved);
}
return rv;
}
#ifdef XP_MAC
#pragma mark -
#endif
NS_IMETHODIMP
nsPasteQuotationCommand::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
{
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
*outCmdEnabled = PR_FALSE;
if (editorShell)
{
nsCOMPtr<nsIEditor> editor;
editorShell->GetEditor(getter_AddRefs(editor));
if (editor)
editor->CanPaste(nsIClipboard::kGlobalClipboard, *outCmdEnabled);
}
return NS_OK;
}
NS_IMETHODIMP
nsPasteQuotationCommand::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
{
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
nsresult rv = NS_OK;
if (editorShell)
{
rv = editorShell->PasteAsQuotation(nsIClipboard::kGlobalClipboard);
}
return rv;
}
#ifdef XP_MAC
#pragma mark -
#endif
nsStyleUpdatingCommand::nsStyleUpdatingCommand(const char* aTagName)
: nsBaseStateUpdatingCommand(aTagName)
{
}
nsresult
nsStyleUpdatingCommand::GetCurrentState(nsIEditorShell *aEditorShell, const char* aTagName, PRBool& outStyleSet)
{
NS_ASSERTION(aEditorShell, "Need editor shell here");
nsresult rv = NS_OK;
PRBool firstOfSelectionHasProp = PR_FALSE;
PRBool anyOfSelectionHasProp = PR_FALSE;
PRBool allOfSelectionHasProp = PR_FALSE;
nsCOMPtr<nsIEditor> editor;
aEditorShell->GetEditor(getter_AddRefs(editor));
nsCOMPtr<nsIHTMLEditor> htmlEditor = do_QueryInterface(editor);
if (!htmlEditor) return NS_ERROR_NOT_INITIALIZED;
nsCOMPtr<nsIAtom> styleAtom = getter_AddRefs(NS_NewAtom(aTagName));
rv = htmlEditor->GetInlineProperty(styleAtom, nsnull, nsnull, firstOfSelectionHasProp, anyOfSelectionHasProp, allOfSelectionHasProp);
outStyleSet = allOfSelectionHasProp; // change this to alter the behaviour
return rv;
}
nsresult
nsStyleUpdatingCommand::ToggleState(nsIEditorShell *aEditorShell, const char* aTagName)
{
PRBool styleSet;
nsresult rv = GetCurrentState(aEditorShell, aTagName, styleSet);
if (NS_FAILED(rv)) return rv;
nsAutoString tagName; tagName.AssignWithConversion(aTagName);
if (styleSet)
rv = aEditorShell->RemoveTextProperty(tagName.GetUnicode(), nsnull);
else
rv = aEditorShell->SetTextProperty(tagName.GetUnicode(), nsnull, nsnull);
return rv;
}
#ifdef XP_MAC
#pragma mark -
#endif
nsListCommand::nsListCommand(const char* aTagName)
: nsBaseStateUpdatingCommand(aTagName)
{
}
nsresult
nsListCommand::GetCurrentState(nsIEditorShell *aEditorShell, const char* aTagName, PRBool& outInList)
{
NS_ASSERTION(aEditorShell, "Need editorShell here");
PRBool bMixed;
PRUnichar *tagStr;
nsresult rv = aEditorShell->GetListState(&bMixed, &tagStr);
if (NS_FAILED(rv)) return rv;
// Need to use mTagName????
outInList = (0 == nsCRT::strcmp(tagStr, mTagName));
if (tagStr) nsCRT::free(tagStr);
return NS_OK;
}
nsresult
nsListCommand::ToggleState(nsIEditorShell *aEditorShell, const char* aTagName)
{
PRBool inList;
// Need to use mTagName????
nsresult rv = GetCurrentState(aEditorShell, mTagName, inList);
if (NS_FAILED(rv)) return rv;
nsAutoString listType; listType.AssignWithConversion(mTagName);
if (inList)
rv = aEditorShell->RemoveList(listType.GetUnicode());
else
rv = aEditorShell->MakeOrChangeList(listType.GetUnicode());
return rv;
}
#ifdef XP_MAC
#pragma mark -
#endif
nsListItemCommand::nsListItemCommand(const char* aTagName)
: nsBaseStateUpdatingCommand(aTagName)
{
}
nsresult
nsListItemCommand::GetCurrentState(nsIEditorShell *aEditorShell, const char* aTagName, PRBool& outInList)
{
NS_ASSERTION(aEditorShell, "Need editorShell here");
PRBool bMixed;
PRUnichar *tagStr;
nsresult rv = aEditorShell->GetListItemState(&bMixed, &tagStr);
if (NS_FAILED(rv)) return rv;
outInList = (0 == nsCRT::strcmp(tagStr, mTagName));
if (tagStr) nsCRT::free(tagStr);
return NS_OK;
}
nsresult
nsListItemCommand::ToggleState(nsIEditorShell *aEditorShell, const char* aTagName)
{
NS_ASSERTION(aEditorShell, "Need editorShell here");
nsCOMPtr<nsIEditor> editor;
aEditorShell->GetEditor(getter_AddRefs(editor));
if (!editor) return NS_ERROR_UNEXPECTED;
nsCOMPtr<nsIHTMLEditor> htmlEditor = do_QueryInterface(editor);
if (!htmlEditor) return NS_ERROR_NOT_INITIALIZED;
PRBool inList;
// Need to use mTagName????
nsresult rv = GetCurrentState(aEditorShell, mTagName, inList);
if (NS_FAILED(rv)) return rv;
if (inList)
{
// To remove a list, first get what kind of list we're in
PRBool bMixed;
PRUnichar *tagStr;
rv = aEditorShell->GetListState(&bMixed, &tagStr);
if (NS_FAILED(rv)) return rv;
if (tagStr)
{
if (!bMixed)
{
nsAutoString listType(tagStr);
rv = htmlEditor->RemoveList(listType);
}
nsCRT::free(tagStr);
}
}
else
{
nsAutoString itemType; itemType.AssignWithConversion(mTagName);
// Set to the requested paragraph type
//XXX Note: This actually doesn't work for "LI",
// but we currently don't use this for non DL lists anyway.
// Problem: won't this replace any current block paragraph style?
rv = htmlEditor->SetParagraphFormat(itemType);
}
return rv;
}
#ifdef XP_MAC
#pragma mark -
#endif
NS_IMETHODIMP
nsRemoveListCommand::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
{
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
*outCmdEnabled = PR_FALSE;
if (editorShell)
{
// It is enabled if we are in any list type
PRBool bMixed;
PRUnichar *tagStr;
nsresult rv = editorShell->GetListState(&bMixed, &tagStr);
if (NS_FAILED(rv)) return rv;
*outCmdEnabled = (*tagStr != nsnull);
}
return NS_OK;
}
NS_IMETHODIMP
nsRemoveListCommand::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
{
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
nsresult rv = NS_OK;
if (editorShell)
// This removes any list type
rv = editorShell->RemoveList(nsnull);
return rv;
}
#ifdef XP_MAC
#pragma mark -
#endif
NS_IMETHODIMP
nsIndentCommand::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
{
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
*outCmdEnabled = PR_FALSE;
if (editorShell)
{
nsCOMPtr<nsIEditor> editor;
editorShell->GetEditor(getter_AddRefs(editor));
if (editor)
*outCmdEnabled = PR_TRUE; // can always indent (I guess)
}
return NS_OK;
}
NS_IMETHODIMP
nsIndentCommand::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
{
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
nsresult rv = NS_OK;
if (editorShell)
{
nsAutoString indentStr; indentStr.AssignWithConversion("indent");
rv = editorShell->Indent(indentStr.GetUnicode());
}
return rv;
}
NS_IMETHODIMP
nsOutdentCommand::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
{
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
*outCmdEnabled = PR_FALSE;
if (editorShell)
{
nsCOMPtr<nsIEditor> editor;
editorShell->GetEditor(getter_AddRefs(editor));
nsCOMPtr<nsIHTMLEditor> htmlEditor = do_QueryInterface(editor);
if (htmlEditor)
{
PRBool canIndent, canOutdent;
htmlEditor->GetIndentState(canIndent, canOutdent);
*outCmdEnabled = canOutdent;
}
}
return NS_OK;
}
NS_IMETHODIMP
nsOutdentCommand::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
{
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
nsresult rv = NS_OK;
if (editorShell)
{
nsAutoString indentStr; indentStr.AssignWithConversion("outdent");
rv = editorShell->Indent(indentStr.GetUnicode());
}
return rv;
}
#ifdef XP_MAC
#pragma mark -
#endif
nsMultiStateCommand::nsMultiStateCommand()
: nsBaseComposerCommand()
, mGotState(PR_FALSE)
{
}
nsMultiStateCommand::~nsMultiStateCommand()
{
}
NS_IMPL_ISUPPORTS_INHERITED1(nsMultiStateCommand, nsBaseComposerCommand, nsIStateUpdatingControllerCommand);
NS_IMETHODIMP
nsMultiStateCommand::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
{
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
*outCmdEnabled = PR_FALSE;
if (editorShell)
{
nsCOMPtr<nsIEditor> editor;
editorShell->GetEditor(getter_AddRefs(editor));
if (editor)
{
// should be disabled sometimes, like if the current selection is an image
*outCmdEnabled = PR_TRUE;
}
}
return UpdateCommandState(aCommand, refCon);
}
NS_IMETHODIMP
nsMultiStateCommand::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
{
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
nsresult rv = NS_OK;
if (editorShell)
{
// we have to grab the state attribute on our command node to find out
// what format to set the paragraph to
nsAutoString stateAttribute;
rv = GetCommandNodeState(aCommand, editorShell, stateAttribute);
if (NS_FAILED(rv)) return rv;
rv = SetState(editorShell, stateAttribute);
}
return rv;
}
NS_IMETHODIMP
nsMultiStateCommand::UpdateCommandState(const PRUnichar *aCommandName, nsISupports * refCon)
{
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
nsresult rv = NS_OK;
if (editorShell)
{
nsString curFormat;
PRBool isMixed;
rv = GetCurrentState(editorShell, curFormat, isMixed);
if (NS_FAILED(rv)) return rv;
if (isMixed)
curFormat.AssignWithConversion("mixed");
if (!mGotState || (curFormat != mStateString))
{
// poke the UI
SetCommandNodeState(aCommandName, editorShell, curFormat);
mGotState = PR_TRUE;
mStateString = curFormat;
}
}
return rv;
}
#ifdef XP_MAC
#pragma mark -
#endif
nsParagraphStateCommand::nsParagraphStateCommand()
: nsMultiStateCommand()
{
}
nsresult
nsParagraphStateCommand::GetCurrentState(nsIEditorShell *aEditorShell, nsString& outStateString, PRBool& outMixed)
{
NS_ASSERTION(aEditorShell, "Need an editor shell here");
nsCOMPtr<nsIEditor> editor;
aEditorShell->GetEditor(getter_AddRefs(editor));
nsCOMPtr<nsIHTMLEditor> htmlEditor = do_QueryInterface(editor);
if (!htmlEditor) return NS_ERROR_FAILURE;
return htmlEditor->GetParagraphState(outMixed, outStateString);
}
nsresult
nsParagraphStateCommand::SetState(nsIEditorShell *aEditorShell, nsString& newState)
{
NS_ASSERTION(aEditorShell, "Need an editor shell here");
nsCOMPtr<nsIEditor> editor;
aEditorShell->GetEditor(getter_AddRefs(editor));
nsCOMPtr<nsIHTMLEditor> htmlEditor = do_QueryInterface(editor);
if (!htmlEditor) return NS_ERROR_FAILURE;
return htmlEditor->SetParagraphFormat(newState);
}
#ifdef XP_MAC
#pragma mark -
#endif
nsFontFaceStateCommand::nsFontFaceStateCommand()
: nsMultiStateCommand()
{
}
nsresult
nsFontFaceStateCommand::GetCurrentState(nsIEditorShell *aEditorShell, nsString& outStateString, PRBool& outMixed)
{
NS_ASSERTION(aEditorShell, "Need an editor shell here");
nsCOMPtr<nsIEditor> editor;
aEditorShell->GetEditor(getter_AddRefs(editor));
nsCOMPtr<nsIHTMLEditor> htmlEditor = do_QueryInterface(editor);
if (!htmlEditor) return NS_ERROR_FAILURE;
return htmlEditor->GetFontFaceState(outMixed, outStateString);
}
nsresult
nsFontFaceStateCommand::SetState(nsIEditorShell *aEditorShell, nsString& newState)
{
NS_ASSERTION(aEditorShell, "Need an editor shell here");
nsCOMPtr<nsIEditor> editor;
aEditorShell->GetEditor(getter_AddRefs(editor));
nsCOMPtr<nsIHTMLEditor> htmlEditor = do_QueryInterface(editor);
if (!htmlEditor) return NS_ERROR_FAILURE;
nsresult rv;
NS_ConvertASCIItoUCS2 emptyString("");
NS_ConvertASCIItoUCS2 fontString("font");
NS_ConvertASCIItoUCS2 faceString("face");
nsCOMPtr<nsIAtom> ttAtom = getter_AddRefs(NS_NewAtom("tt"));
nsCOMPtr<nsIAtom> fontAtom = getter_AddRefs(NS_NewAtom("font"));
if (newState.EqualsWithConversion("tt"))
{
// The old "teletype" attribute
rv = htmlEditor->SetInlineProperty(ttAtom, &emptyString, &emptyString);
// Clear existing font face
rv = htmlEditor->RemoveInlineProperty(fontAtom, &faceString);
}
else
{
// Remove any existing TT nodes
rv = htmlEditor->RemoveInlineProperty(ttAtom, &emptyString);
if (newState == emptyString || newState.EqualsWithConversion("normal")) {
rv = htmlEditor->RemoveInlineProperty(fontAtom, &faceString);
} else {
rv = htmlEditor->SetInlineProperty(fontAtom, &faceString, &newState);
}
}
return rv;
}
#ifdef XP_MAC
#pragma mark -
#endif
NS_IMETHODIMP
nsAlignCommand::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
{
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
*outCmdEnabled = PR_FALSE;
if (editorShell)
{
nsCOMPtr<nsIEditor> editor;
editorShell->GetEditor(getter_AddRefs(editor));
if (editor)
{
*outCmdEnabled = PR_TRUE;
}
}
return NS_OK;
}
NS_IMETHODIMP
nsAlignCommand::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
{
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
nsresult rv = NS_OK;
if (editorShell)
{
// we have to grab the state attribute on our command node to find out
// what format to set the paragraph to
nsAutoString stateAttribute;
rv = GetCommandNodeState(aCommand, editorShell, stateAttribute);
if (NS_FAILED(rv)) return rv;
rv = editorShell->Align(stateAttribute.GetUnicode());
}
return rv;
}
#ifdef XP_MAC
#pragma mark -
#endif
NS_IMETHODIMP
nsRemoveStylesCommand::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
{
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
*outCmdEnabled = PR_FALSE;
if (editorShell)
{
nsCOMPtr<nsIEditor> editor;
editorShell->GetEditor(getter_AddRefs(editor));
if (editor)
{
// test if we have any styles?
*outCmdEnabled = PR_TRUE;
}
}
return NS_OK;
}
NS_IMETHODIMP
nsRemoveStylesCommand::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
{
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
nsresult rv = NS_OK;
if (editorShell)
{
rv = editorShell->RemoveTextProperty(NS_ConvertASCIItoUCS2("all").GetUnicode(), NS_ConvertASCIItoUCS2("").GetUnicode());
if (NS_FAILED(rv)) return rv;
// now get all the style buttons to update
nsCOMPtr<nsIDOMWindow> contentWindow;
editorShell->GetContentWindow(getter_AddRefs(contentWindow));
if (contentWindow)
contentWindow->UpdateCommands(NS_ConvertASCIItoUCS2("style"));
}
return rv;
}
#ifdef XP_MAC
#pragma mark -
#endif
NS_IMETHODIMP
nsIncreaseFontSizeCommand::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
{
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
*outCmdEnabled = PR_FALSE;
if (editorShell)
{
nsCOMPtr<nsIEditor> editor;
editorShell->GetEditor(getter_AddRefs(editor));
if (editor)
{
// test if we are at the max size?
*outCmdEnabled = PR_TRUE;
}
}
return NS_OK;
}
NS_IMETHODIMP
nsIncreaseFontSizeCommand::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
{
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
nsresult rv = NS_OK;
if (editorShell)
{
rv = editorShell->IncreaseFontSize();
}
return rv;
}
#ifdef XP_MAC
#pragma mark -
#endif
NS_IMETHODIMP
nsDecreaseFontSizeCommand::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
{
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
*outCmdEnabled = PR_FALSE;
if (editorShell)
{
nsCOMPtr<nsIEditor> editor;
editorShell->GetEditor(getter_AddRefs(editor));
if (editor)
{
// test if we are at the min size?
*outCmdEnabled = PR_TRUE;
}
}
return NS_OK;
}
NS_IMETHODIMP
nsDecreaseFontSizeCommand::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
{
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
nsresult rv = NS_OK;
if (editorShell)
{
rv = editorShell->DecreaseFontSize();
}
return rv;
}