mirror of
https://github.com/mozilla/gecko-dev.git
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2119 lines
77 KiB
C++
2119 lines
77 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 "nsEditorEventListeners.h"
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#include "nsIEditProperty.h"
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#include "nsEditProperty.h" // temporary, to get html atoms
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#include "nsIStreamListener.h"
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#include "nsIParser.h"
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#include "nsParserCIID.h"
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#include "nsIDocument.h"
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#include "nsIHTMLContentSink.h"
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#include "nsHTMLContentSinkStream.h"
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#include "nsHTMLToTXTSinkStream.h"
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#include "nsXIFDTD.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 "nsIDOMDragListener.h"
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#include "nsIDOMSelection.h"
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#include "nsIDOMRange.h"
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#include "nsIDOMNodeList.h"
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#include "nsIDOMCharacterData.h"
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#include "nsIDOMElement.h"
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#include "nsIDOMTextListener.h"
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#include "nsEditorCID.h"
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#include "nsISupportsArray.h"
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#include "nsIEnumerator.h"
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#include "nsIContentIterator.h"
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#include "nsIContent.h"
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#include "nsLayoutCID.h"
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#include "nsIPresShell.h"
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#include "nsIStyleContext.h"
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#include "nsVoidArray.h"
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// transactions the text editor knows how to build itself
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#include "TransactionFactory.h"
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#include "PlaceholderTxn.h"
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#include "InsertTextTxn.h"
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#include "nsIFileStream.h"
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#include "nsIStringStream.h"
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class nsIFrame;
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#include "nsIComponentManager.h"
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#include "nsIServiceManager.h"
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#include "nsTextEditRules.h"
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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_IID(kIDOMTextListenerIID, NS_IDOMTEXTLISTENER_IID);
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static NS_DEFINE_IID(kIDOMCompositionListenerIID, NS_IDOMCOMPOSITIONLISTENER_IID);
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static NS_DEFINE_IID(kIDOMDragListenerIID, NS_IDOMDRAGLISTENER_IID);
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static NS_DEFINE_IID(kIDOMSelectionListenerIID, NS_IDOMSELECTIONLISTENER_IID);
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static NS_DEFINE_IID(kIEditPropertyIID, NS_IEDITPROPERTY_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(kIContentIteratorIID, NS_ICONTENTITERTOR_IID);
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static NS_DEFINE_CID(kCContentIteratorCID, NS_CONTENTITERATOR_CID);
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static NS_DEFINE_IID(kIDOMRangeIID, NS_IDOMRANGE_IID);
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static NS_DEFINE_CID(kCRangeCID, NS_RANGE_CID);
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static NS_DEFINE_IID(kIInputStreamIID, NS_IINPUTSTREAM_IID);
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static NS_DEFINE_IID(kIOutputStreamIID, NS_IOUTPUTSTREAM_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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/* ---------- TypeInState implementation ---------- */
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// most methods are defined inline in TypeInState.h
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NS_IMPL_ADDREF(TypeInState)
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NS_IMPL_RELEASE(TypeInState)
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NS_IMETHODIMP
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TypeInState::QueryInterface(REFNSIID aIID, void** aInstancePtr)
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{
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if (nsnull == aInstancePtr) {
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return NS_ERROR_NULL_POINTER;
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}
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if (aIID.Equals(kISupportsIID)) {
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*aInstancePtr = (void*)(nsISupports*)this;
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NS_ADDREF_THIS();
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return NS_OK;
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}
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if (aIID.Equals(kIDOMSelectionListenerIID)) {
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*aInstancePtr = (void*)(nsIDOMSelectionListener*)this;
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NS_ADDREF_THIS();
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return NS_OK;
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}
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return NS_NOINTERFACE;
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}
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TypeInState::~TypeInState()
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{
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};
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NS_IMETHODIMP TypeInState::NotifySelectionChanged()
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{
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Reset();
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return NS_OK;
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};
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/* ---------- nsTextEditor implementation ---------- */
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nsTextEditor::nsTextEditor()
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{
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// Done in nsEditor
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// NS_INIT_REFCNT();
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mRules = nsnull;
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nsEditProperty::InstanceInit();
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}
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nsTextEditor::~nsTextEditor()
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{
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//the autopointers will clear themselves up.
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//but we need to also remove the listeners or we have a leak
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nsCOMPtr<nsIDOMDocument> doc;
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nsEditor::GetDocument(getter_AddRefs(doc));
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if (doc)
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{
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nsCOMPtr<nsIDOMEventReceiver> erP;
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nsresult result = doc->QueryInterface(kIDOMEventReceiverIID, getter_AddRefs(erP));
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if (NS_SUCCEEDED(result) && erP)
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{
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if (mKeyListenerP) {
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erP->RemoveEventListenerByIID(mKeyListenerP, kIDOMKeyListenerIID);
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}
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if (mMouseListenerP) {
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erP->RemoveEventListenerByIID(mMouseListenerP, kIDOMMouseListenerIID);
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}
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if (mTextListenerP) {
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erP->RemoveEventListenerByIID(mTextListenerP, kIDOMTextListenerIID);
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}
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if (mCompositionListenerP) {
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erP->RemoveEventListenerByIID(mCompositionListenerP, kIDOMCompositionListenerIID);
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}
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if (mDragListenerP) {
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erP->RemoveEventListenerByIID(mDragListenerP, kIDOMDragListenerIID);
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}
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}
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else
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NS_NOTREACHED("~nsTextEditor");
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}
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if (mRules) {
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delete mRules;
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}
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NS_IF_RELEASE(mTypeInState);
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nsEditProperty::InstanceShutdown();
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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(nsTextEditor, nsEditor, nsITextEditor)
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//NS_IMPL_ADDREF_INHERITED(Class, Super)
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NS_IMETHODIMP_(nsrefcnt) nsTextEditor::AddRef(void)
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{
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return nsEditor::AddRef();
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}
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//NS_IMPL_RELEASE_INHERITED(Class, Super)
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NS_IMETHODIMP_(nsrefcnt) nsTextEditor::Release(void)
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{
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return nsEditor::Release();
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}
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//NS_IMPL_QUERY_INTERFACE_INHERITED(Class, Super, AdditionalInterface)
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NS_IMETHODIMP nsTextEditor::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(nsITextEditor::GetIID())) {
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*aInstancePtr = NS_STATIC_CAST(nsITextEditor*, this);
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NS_ADDREF_THIS();
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return NS_OK;
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}
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return nsEditor::QueryInterface(aIID, aInstancePtr);
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}
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NS_IMETHODIMP nsTextEditor::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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// Init the base editor
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result = nsEditor::Init(aDoc, aPresShell);
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if (NS_OK != result) { return result; }
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// init the type-in state
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mTypeInState = new TypeInState();
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if (!mTypeInState) {return NS_ERROR_NULL_POINTER;}
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NS_ADDREF(mTypeInState);
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nsCOMPtr<nsIDOMSelection>selection;
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result = nsEditor::GetSelection(getter_AddRefs(selection));
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if (NS_OK != result) { return result; }
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if (selection)
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{
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nsCOMPtr<nsIDOMSelectionListener>listener;
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listener = do_QueryInterface(mTypeInState);
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if (listener) {
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selection->AddSelectionListener(listener);
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}
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}
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// Init the rules system
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InitRules();
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result = NS_NewEditorKeyListener(getter_AddRefs(mKeyListenerP), this);
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if (NS_OK != result) {
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return result;
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}
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result = NS_NewEditorMouseListener(getter_AddRefs(mMouseListenerP), this);
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if (NS_OK != result) {
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// drop the key listener if we couldn't get a mouse listener.
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mKeyListenerP = do_QueryInterface(0);
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return result;
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}
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result = NS_NewEditorTextListener(getter_AddRefs(mTextListenerP),this);
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if (NS_OK !=result) {
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// drop the key and mouse listeners
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#ifdef DEBUG_TAGUE
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printf("nsTextEditor.cpp: failed to get TextEvent Listener\n");
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#endif
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mMouseListenerP = do_QueryInterface(0);
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mKeyListenerP = do_QueryInterface(0);
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return result;
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}
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result = NS_NewEditorCompositionListener(getter_AddRefs(mCompositionListenerP),this);
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if (NS_OK!=result) {
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// drop the key and mouse listeners
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#ifdef DEBUG_TAGUE
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printf("nsTextEditor.cpp: failed to get TextEvent Listener\n");
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#endif
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mMouseListenerP = do_QueryInterface(0);
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mKeyListenerP = do_QueryInterface(0);
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mTextListenerP = do_QueryInterface(0);
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return result;
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}
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result = NS_NewEditorDragListener(getter_AddRefs(mDragListenerP), this);
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if (NS_OK != result) {
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//return result;
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mMouseListenerP = do_QueryInterface(0);
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mKeyListenerP = do_QueryInterface(0);
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mTextListenerP = do_QueryInterface(0);
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mCompositionListenerP = do_QueryInterface(0);
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}
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nsCOMPtr<nsIDOMEventReceiver> erP;
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result = aDoc->QueryInterface(kIDOMEventReceiverIID, getter_AddRefs(erP));
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if (NS_OK != result)
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{
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mKeyListenerP = do_QueryInterface(0);
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mMouseListenerP = do_QueryInterface(0); //dont need these if we cant register them
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mTextListenerP = do_QueryInterface(0);
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mDragListenerP = do_QueryInterface(0); //dont need these if we cant register them
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mCompositionListenerP = do_QueryInterface(0);
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return result;
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}
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//cmanske: Shouldn't we check result from this?
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erP->AddEventListenerByIID(mKeyListenerP, kIDOMKeyListenerIID);
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//erP->AddEventListener(mDragListenerP, kIDOMDragListenerIID);
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//erP->AddEventListener(mMouseListenerP, kIDOMMouseListenerIID);
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erP->AddEventListenerByIID(mTextListenerP,kIDOMTextListenerIID);
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erP->AddEventListenerByIID(mCompositionListenerP,kIDOMCompositionListenerIID);
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result = NS_OK;
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EnableUndo(PR_TRUE);
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}
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return result;
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}
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void nsTextEditor::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 nsTextEditRules();
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mRules->Init(this);
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}
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NS_IMETHODIMP nsTextEditor::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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if (!aProperty)
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return NS_ERROR_NULL_POINTER;
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if (gNoisy)
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{
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nsAutoString propString;
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aProperty->ToString(propString);
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char *propCString = propString.ToNewCString();
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if (gNoisy) { printf("---------- nsTextEditor::SetTextProperty %s ----------\n", propCString); }
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delete [] propCString;
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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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PRBool isCollapsed;
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selection->GetIsCollapsed(&isCollapsed);
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if (PR_TRUE==isCollapsed)
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{
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// manipulating text attributes on a collapsed selection only sets state for the next text insertion
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SetTypeInStateForProperty(*mTypeInState, aProperty, aAttribute, aValue);
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}
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else
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{
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// set the text property 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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nsCOMPtr<nsIDOMNode>commonParent;
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result = range->GetCommonParent(getter_AddRefs(commonParent));
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if ((NS_SUCCEEDED(result)) && commonParent)
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{
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PRInt32 startOffset, endOffset;
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range->GetStartOffset(&startOffset);
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range->GetEndOffset(&endOffset);
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nsCOMPtr<nsIDOMNode> startParent; nsCOMPtr<nsIDOMNode> endParent;
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range->GetStartParent(getter_AddRefs(startParent));
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range->GetEndParent(getter_AddRefs(endParent));
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if (startParent.get()==endParent.get())
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{ // the range is entirely contained within a single text node
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// commonParent==aStartParent, so get the "real" parent of the selection
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startParent->GetParentNode(getter_AddRefs(commonParent));
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result = SetTextPropertiesForNode(startParent, commonParent,
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startOffset, endOffset,
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aProperty, aAttribute, aValue);
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}
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else
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{
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nsCOMPtr<nsIDOMNode> startGrandParent;
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startParent->GetParentNode(getter_AddRefs(startGrandParent));
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nsCOMPtr<nsIDOMNode> endGrandParent;
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endParent->GetParentNode(getter_AddRefs(endGrandParent));
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if (NS_SUCCEEDED(result))
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{
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PRBool canCollapseStyleNode = PR_FALSE;
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if (endGrandParent.get()==startGrandParent.get())
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{
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result = IntermediateNodesAreInline(range, startParent, startOffset,
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endParent, endOffset,
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canCollapseStyleNode);
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}
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if (NS_SUCCEEDED(result))
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{
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if (PR_TRUE==canCollapseStyleNode)
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{ // the range is between 2 nodes that have a common (immediate) grandparent,
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// and any intermediate nodes are just inline style nodes
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result = SetTextPropertiesForNodesWithSameParent(startParent,startOffset,
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endParent, endOffset,
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commonParent,
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aProperty, aAttribute, aValue);
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}
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else
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{ // the range is between 2 nodes that have no simple relationship
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result = SetTextPropertiesForNodeWithDifferentParents(range,
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startParent,startOffset,
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endParent, endOffset,
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commonParent,
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aProperty, aAttribute, aValue);
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}
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}
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}
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}
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if (NS_SUCCEEDED(result))
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{ // compute a range for the selection
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// don't want to actually do anything with selection, because
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// we are still iterating through it. Just want to create and remember
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// an nsIDOMRange, and later add the range to the selection after clearing it.
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// XXX: I'm blocked here because nsIDOMSelection doesn't provide a mechanism
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// for setting a compound selection yet.
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}
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}
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}
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}
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nsEditor::EndTransaction();
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}
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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) {DebugDumpContent(); } // DEBUG
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//HACK TO DRAW CHANGES
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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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NS_IMETHODIMP nsTextEditor::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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|
if (!aProperty)
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return NS_ERROR_NULL_POINTER;
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if (gNoisy)
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{
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nsAutoString propString;
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aProperty->ToString(propString);
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char *propCString = propString.ToNewCString();
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if (gNoisy) { printf("nsTextEditor::GetTextProperty %s\n", propCString); }
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delete [] propCString;
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}
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nsresult result=NS_ERROR_NOT_INITIALIZED;
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aAny=PR_FALSE;
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aAll=PR_TRUE;
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aFirst=PR_FALSE;
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PRBool first=PR_TRUE;
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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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PRBool isCollapsed;
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selection->GetIsCollapsed(&isCollapsed);
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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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|
// XXX: should be a while loop, to get each separate range
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if ((NS_SUCCEEDED(result)) && currentItem)
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{
|
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PRBool firstNodeInRange = PR_TRUE; // for each range, set a flag
|
|
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
|
|
// for each text node:
|
|
// get the frame for the content, and from it the style context
|
|
// ask the style context about the property
|
|
nsCOMPtr<nsIContent> content;
|
|
result = iter->CurrentNode(getter_AddRefs(content));
|
|
while (NS_COMFALSE == iter->IsDone())
|
|
{
|
|
if (gNoisy) { printf(" checking node %p\n", content.get()); }
|
|
nsCOMPtr<nsIDOMCharacterData>text;
|
|
text = do_QueryInterface(content);
|
|
if (text)
|
|
{
|
|
PRBool skipNode = PR_FALSE;
|
|
if (PR_FALSE==isCollapsed && PR_TRUE==first && PR_TRUE==firstNodeInRange)
|
|
{
|
|
firstNodeInRange = PR_FALSE;
|
|
PRInt32 startOffset;
|
|
range->GetStartOffset(&startOffset);
|
|
PRUint32 count;
|
|
text->GetLength(&count);
|
|
if (startOffset==(PRInt32)count)
|
|
{
|
|
if (gNoisy) { printf(" skipping node %p\n", content.get()); }
|
|
skipNode = PR_TRUE;
|
|
}
|
|
}
|
|
if (PR_FALSE==skipNode)
|
|
{
|
|
nsCOMPtr<nsIDOMNode>node;
|
|
node = do_QueryInterface(content);
|
|
if (node)
|
|
{
|
|
PRBool isSet;
|
|
nsCOMPtr<nsIDOMNode>resultNode;
|
|
IsTextPropertySetByContent(node, aProperty, aAttribute, aValue, isSet, getter_AddRefs(resultNode));
|
|
if (PR_TRUE==first)
|
|
{
|
|
aFirst = isSet;
|
|
first = PR_FALSE;
|
|
}
|
|
if (PR_TRUE==isSet) {
|
|
aAny = PR_TRUE;
|
|
}
|
|
else {
|
|
aAll = PR_FALSE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
iter->Next();
|
|
iter->CurrentNode(getter_AddRefs(content));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (PR_FALSE==aAny) { // make sure that if none of the selection is set, we don't report all is set
|
|
aAll = PR_FALSE;
|
|
}
|
|
if (gNoisy) { printf(" returning first=%d any=%d all=%d\n", aFirst, aAny, aAll); }
|
|
return result;
|
|
}
|
|
|
|
void nsTextEditor::IsTextStyleSet(nsIStyleContext *aSC,
|
|
nsIAtom *aProperty,
|
|
const nsString *aAttribute,
|
|
PRBool &aIsSet) const
|
|
{
|
|
aIsSet = PR_FALSE;
|
|
if (aSC && aProperty)
|
|
{
|
|
nsStyleFont* font = (nsStyleFont*)aSC->GetStyleData(eStyleStruct_Font);
|
|
if (nsIEditProperty::i==aProperty)
|
|
{
|
|
aIsSet = PRBool(font->mFont.style & NS_FONT_STYLE_ITALIC);
|
|
}
|
|
else if (nsIEditProperty::b==aProperty)
|
|
{ // XXX: check this logic with Peter
|
|
aIsSet = PRBool(font->mFont.weight > NS_FONT_WEIGHT_NORMAL);
|
|
}
|
|
}
|
|
}
|
|
|
|
// this will NOT find aAttribute unless aAttribute has a non-null value
|
|
// so singleton attributes like <Table border> will not be matched!
|
|
void nsTextEditor::IsTextPropertySetByContent(nsIDOMNode *aNode,
|
|
nsIAtom *aProperty,
|
|
const nsString *aAttribute,
|
|
const nsString *aValue,
|
|
PRBool &aIsSet,
|
|
nsIDOMNode **aStyleNode) const
|
|
{
|
|
nsresult result;
|
|
aIsSet = PR_FALSE; // must be initialized to false for code below to work
|
|
nsAutoString propName;
|
|
aProperty->ToString(propName);
|
|
nsCOMPtr<nsIDOMNode>parent;
|
|
result = aNode->GetParentNode(getter_AddRefs(parent));
|
|
while (NS_SUCCEEDED(result) && parent)
|
|
{
|
|
nsCOMPtr<nsIDOMElement>element;
|
|
element = do_QueryInterface(parent);
|
|
if (element)
|
|
{
|
|
nsString tag;
|
|
element->GetTagName(tag);
|
|
if (propName.EqualsIgnoreCase(tag))
|
|
{
|
|
PRBool found = PR_FALSE;
|
|
if (aAttribute)
|
|
{
|
|
nsAutoString value;
|
|
element->GetAttribute(*aAttribute, value);
|
|
if (0!=value.Length())
|
|
{
|
|
if (!aValue) {
|
|
found = PR_TRUE;
|
|
}
|
|
else if (aValue->EqualsIgnoreCase(value)) {
|
|
found = PR_TRUE;
|
|
}
|
|
else { // we found the prop with the attribute, but the value doesn't match
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
found = PR_TRUE;
|
|
}
|
|
if (PR_TRUE==found)
|
|
{
|
|
aIsSet = PR_TRUE;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
nsCOMPtr<nsIDOMNode>temp;
|
|
result = parent->GetParentNode(getter_AddRefs(temp));
|
|
if (NS_SUCCEEDED(result) && temp) {
|
|
parent = do_QueryInterface(temp);
|
|
}
|
|
else {
|
|
parent = do_QueryInterface(nsnull);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP nsTextEditor::RemoveTextProperty(nsIAtom *aProperty, const nsString *aAttribute)
|
|
{
|
|
if (!aProperty)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
if (gNoisy)
|
|
{
|
|
nsAutoString propString;
|
|
aProperty->ToString(propString);
|
|
char *propCString = propString.ToNewCString();
|
|
if (gNoisy) { printf("---------- nsTextEditor::RemoveTextProperty %s ----------\n", propCString); }
|
|
delete [] propCString;
|
|
}
|
|
|
|
nsresult result=NS_ERROR_NOT_INITIALIZED;
|
|
nsCOMPtr<nsIDOMSelection>selection;
|
|
result = nsEditor::GetSelection(getter_AddRefs(selection));
|
|
if ((NS_SUCCEEDED(result)) && selection)
|
|
{
|
|
PRBool isCollapsed;
|
|
selection->GetIsCollapsed(&isCollapsed);
|
|
if (PR_TRUE==isCollapsed)
|
|
{
|
|
// manipulating text attributes on a collapsed selection only sets state for the next text insertion
|
|
SetTypeInStateForProperty(*mTypeInState, aProperty, aAttribute, nsnull);
|
|
}
|
|
else
|
|
{
|
|
nsEditor::BeginTransaction();
|
|
nsCOMPtr<nsIDOMNode> startParent, endParent;
|
|
PRInt32 startOffset, endOffset;
|
|
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)
|
|
{
|
|
range->GetStartOffset(&startOffset);
|
|
range->GetEndOffset(&endOffset);
|
|
range->GetStartParent(getter_AddRefs(startParent));
|
|
range->GetEndParent(getter_AddRefs(endParent));
|
|
if (startParent.get()==endParent.get())
|
|
{ // the range is entirely contained within a single text node
|
|
// commonParent==aStartParent, so get the "real" parent of the selection
|
|
startParent->GetParentNode(getter_AddRefs(commonParent));
|
|
result = RemoveTextPropertiesForNode(startParent, commonParent,
|
|
startOffset, endOffset,
|
|
aProperty, nsnull);
|
|
}
|
|
else
|
|
{
|
|
nsCOMPtr<nsIDOMNode> startGrandParent;
|
|
startParent->GetParentNode(getter_AddRefs(startGrandParent));
|
|
nsCOMPtr<nsIDOMNode> endGrandParent;
|
|
endParent->GetParentNode(getter_AddRefs(endGrandParent));
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
PRBool canCollapseStyleNode = PR_FALSE;
|
|
if (endGrandParent.get()==startGrandParent.get())
|
|
{
|
|
result = IntermediateNodesAreInline(range, startParent, startOffset,
|
|
endParent, endOffset,
|
|
canCollapseStyleNode);
|
|
}
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
if (PR_TRUE==canCollapseStyleNode)
|
|
{ // the range is between 2 nodes that have a common (immediate) grandparent,
|
|
// and any intermediate nodes are just inline style nodes
|
|
result = RemoveTextPropertiesForNodesWithSameParent(startParent,startOffset,
|
|
endParent, endOffset,
|
|
commonParent,
|
|
aProperty, nsnull);
|
|
}
|
|
else
|
|
{ // the range is between 2 nodes that have no simple relationship
|
|
result = RemoveTextPropertiesForNodeWithDifferentParents(startParent,startOffset,
|
|
endParent, endOffset,
|
|
commonParent,
|
|
aProperty, nsnull);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (NS_SUCCEEDED(result))
|
|
{ // compute a range for the selection
|
|
// don't want to actually do anything with selection, because
|
|
// we are still iterating through it. Just want to create and remember
|
|
// an nsIDOMRange, and later add the range to the selection after clearing it.
|
|
// XXX: I'm blocked here because nsIDOMSelection doesn't provide a mechanism
|
|
// for setting a compound selection yet.
|
|
}
|
|
}
|
|
}
|
|
}
|
|
nsEditor::EndTransaction();
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
selection->Collapse(startParent, startOffset);
|
|
selection->Extend(endParent, endOffset);
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextEditor::DeleteSelection(nsIEditor::ECollapsedSelectionAction aAction)
|
|
{
|
|
if (!mRules) { return NS_ERROR_NOT_INITIALIZED; }
|
|
|
|
nsCOMPtr<nsIDOMSelection> selection;
|
|
PRBool cancel= PR_FALSE;
|
|
|
|
nsresult result = nsEditor::BeginTransaction();
|
|
if (NS_FAILED(result)) { return result; }
|
|
|
|
// pre-process
|
|
nsEditor::GetSelection(getter_AddRefs(selection));
|
|
nsTextRulesInfo ruleInfo(nsTextEditRules::kDeleteSelection);
|
|
ruleInfo.collapsedAction = aAction;
|
|
result = mRules->WillDoAction(selection, &ruleInfo, &cancel);
|
|
if ((PR_FALSE==cancel) && (NS_SUCCEEDED(result)))
|
|
{
|
|
result = nsEditor::DeleteSelection(aAction);
|
|
// post-process
|
|
result = mRules->DidDoAction(selection, &ruleInfo, result);
|
|
}
|
|
|
|
nsresult endTxnResult = nsEditor::EndTransaction(); // don't return this result!
|
|
NS_ASSERTION ((NS_SUCCEEDED(endTxnResult)), "bad end transaction result");
|
|
|
|
|
|
// XXXX: Horrible hack! We are doing this because
|
|
// of an error in Gecko which is not rendering the
|
|
// document after a change via the DOM - gpk 2/13/99
|
|
// BEGIN HACK!!!
|
|
HACKForceRedraw();
|
|
// END HACK
|
|
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextEditor::InsertText(const nsString& aStringToInsert)
|
|
{
|
|
if (!mRules) { return NS_ERROR_NOT_INITIALIZED; }
|
|
|
|
nsCOMPtr<nsIDOMSelection> selection;
|
|
PRBool cancel= PR_FALSE;
|
|
|
|
// pre-process
|
|
nsEditor::GetSelection(getter_AddRefs(selection));
|
|
nsString resultString;
|
|
PlaceholderTxn *placeholderTxn=nsnull;
|
|
nsTextRulesInfo ruleInfo(nsTextEditRules::kInsertText);
|
|
ruleInfo.placeTxn = &placeholderTxn;
|
|
ruleInfo.inString = &aStringToInsert;
|
|
ruleInfo.outString = &resultString;
|
|
ruleInfo.typeInState = *mTypeInState;
|
|
|
|
nsresult result = mRules->WillDoAction(selection, &ruleInfo, &cancel);
|
|
if ((PR_FALSE==cancel) && (NS_SUCCEEDED(result)))
|
|
{
|
|
result = nsEditor::InsertText(resultString);
|
|
// post-process
|
|
result = mRules->DidDoAction(selection, &ruleInfo, result);
|
|
}
|
|
if (placeholderTxn)
|
|
placeholderTxn->SetAbsorb(PR_FALSE); // this ends the merging of txns into placeholderTxn
|
|
|
|
// BEGIN HACK!!!
|
|
HACKForceRedraw();
|
|
// END HACK
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextEditor::InsertBreak()
|
|
{
|
|
// For plainttext just pass newlines through
|
|
nsAutoString key;
|
|
key += '\n';
|
|
return InsertText(key);
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP nsTextEditor::EnableUndo(PRBool aEnable)
|
|
{
|
|
return nsEditor::EnableUndo(aEnable);
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextEditor::Undo(PRUint32 aCount)
|
|
{
|
|
nsCOMPtr<nsIDOMSelection> selection;
|
|
PRBool cancel= PR_FALSE;
|
|
|
|
// pre-process
|
|
nsEditor::GetSelection(getter_AddRefs(selection));
|
|
nsTextRulesInfo ruleInfo(nsTextEditRules::kUndo);
|
|
nsresult result = mRules->WillDoAction(selection, &ruleInfo, &cancel);
|
|
if ((PR_FALSE==cancel) && (NS_SUCCEEDED(result)))
|
|
{
|
|
result = nsEditor::Undo(aCount);
|
|
nsEditor::GetSelection(getter_AddRefs(selection));
|
|
result = mRules->DidDoAction(selection, &ruleInfo, result);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextEditor::CanUndo(PRBool &aIsEnabled, PRBool &aCanUndo)
|
|
{
|
|
return nsEditor::CanUndo(aIsEnabled, aCanUndo);
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextEditor::Redo(PRUint32 aCount)
|
|
{
|
|
nsCOMPtr<nsIDOMSelection> selection;
|
|
PRBool cancel= PR_FALSE;
|
|
|
|
// pre-process
|
|
nsEditor::GetSelection(getter_AddRefs(selection));
|
|
nsTextRulesInfo ruleInfo(nsTextEditRules::kRedo);
|
|
nsresult result = mRules->WillDoAction(selection, &ruleInfo, &cancel);
|
|
if ((PR_FALSE==cancel) && (NS_SUCCEEDED(result)))
|
|
{
|
|
result = nsEditor::Redo(aCount);
|
|
nsEditor::GetSelection(getter_AddRefs(selection));
|
|
result = mRules->DidDoAction(selection, &ruleInfo, result);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextEditor::CanRedo(PRBool &aIsEnabled, PRBool &aCanRedo)
|
|
{
|
|
return nsEditor::CanRedo(aIsEnabled, aCanRedo);
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextEditor::BeginTransaction()
|
|
{
|
|
return nsEditor::BeginTransaction();
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextEditor::EndTransaction()
|
|
{
|
|
return nsEditor::EndTransaction();
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextEditor::MoveSelectionUp(nsIAtom *aIncrement, PRBool aExtendSelection)
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextEditor::MoveSelectionDown(nsIAtom *aIncrement, PRBool aExtendSelection)
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextEditor::MoveSelectionNext(nsIAtom *aIncrement, PRBool aExtendSelection)
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextEditor::MoveSelectionPrevious(nsIAtom *aIncrement, PRBool aExtendSelection)
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextEditor::SelectNext(nsIAtom *aIncrement, PRBool aExtendSelection)
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextEditor::SelectPrevious(nsIAtom *aIncrement, PRBool aExtendSelection)
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextEditor::SelectAll()
|
|
{
|
|
return nsEditor::SelectAll();
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextEditor::ScrollUp(nsIAtom *aIncrement)
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextEditor::ScrollDown(nsIAtom *aIncrement)
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextEditor::ScrollIntoView(PRBool aScrollToBegin)
|
|
{
|
|
return nsEditor::ScrollIntoView(aScrollToBegin);
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextEditor::Cut()
|
|
{
|
|
return nsEditor::Cut();
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextEditor::Copy()
|
|
{
|
|
return nsEditor::Copy();
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextEditor::Paste()
|
|
{
|
|
return nsEditor::Paste();
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextEditor::Insert(nsString& aInputString)
|
|
{
|
|
printf("nsTextEditor::Insert not yet implemented\n");
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextEditor::OutputText(nsString& aOutputString)
|
|
{
|
|
return OutputText(nsnull,&aOutputString,nsnull);
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextEditor::OutputText(nsIOutputStream* aOutputStream, nsString* aCharsetOverride)
|
|
{
|
|
return OutputText(aOutputStream,nsnull,aCharsetOverride);
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP nsTextEditor::OutputText(nsIOutputStream* aOutputStream, nsString* aOutputString, nsString* aCharsetOverride)
|
|
{
|
|
nsresult rv = NS_ERROR_FAILURE;
|
|
|
|
nsCOMPtr<nsIPresShell> shell;
|
|
GetPresShell(getter_AddRefs(shell));
|
|
if (shell) {
|
|
nsCOMPtr<nsIDocument> doc;
|
|
shell->GetDocument(getter_AddRefs(doc));
|
|
if (doc) {
|
|
nsString buffer;
|
|
|
|
doc->CreateXIF(buffer);
|
|
|
|
nsAutoString charset;
|
|
rv = doc->GetDocumentCharacterSet(charset);
|
|
if(NS_FAILED(rv)) {
|
|
charset = "ISO-8859-1";
|
|
}
|
|
nsIParser* parser;
|
|
|
|
static NS_DEFINE_IID(kCParserIID, NS_IPARSER_IID);
|
|
static NS_DEFINE_IID(kCParserCID, NS_PARSER_IID);
|
|
|
|
rv = nsComponentManager::CreateInstance(kCParserCID,
|
|
nsnull,
|
|
kCParserIID,
|
|
(void **)&parser);
|
|
|
|
if (NS_SUCCEEDED(rv)) {
|
|
nsIHTMLContentSink* sink = nsnull;
|
|
|
|
if (NS_SUCCEEDED(rv))
|
|
{
|
|
|
|
if (aOutputString != nsnull)
|
|
rv = NS_New_HTMLToTXT_SinkStream(&sink,aOutputString);
|
|
else if (aOutputStream != nsnull)
|
|
rv = NS_New_HTMLToTXT_SinkStream(&sink,aOutputStream,aCharsetOverride);
|
|
|
|
if (sink && NS_SUCCEEDED(rv))
|
|
{
|
|
parser->SetContentSink(sink);
|
|
parser->SetDocumentCharset(charset, kCharsetFromPreviousLoading);
|
|
nsIDTD* dtd = nsnull;
|
|
rv = NS_NewXIFDTD(&dtd);
|
|
if (NS_OK == rv) {
|
|
parser->RegisterDTD(dtd);
|
|
parser->Parse(buffer, 0, "text/xif",PR_FALSE,PR_TRUE);
|
|
}
|
|
|
|
NS_IF_RELEASE(dtd);
|
|
NS_IF_RELEASE(sink);
|
|
NS_IF_RELEASE(parser);
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP nsTextEditor::OutputHTML(nsString& aOutputString)
|
|
{
|
|
return OutputHTML(nsnull,&aOutputString,nsnull);
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextEditor::OutputHTML(nsIOutputStream* aOutputStream,nsString* aCharsetOverride)
|
|
{
|
|
return OutputHTML(aOutputStream,nsnull,aCharsetOverride);
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP nsTextEditor::OutputHTML(nsIOutputStream* aOutputStream, nsString* aOutputString, nsString* aCharsetOverride)
|
|
{
|
|
|
|
nsresult rv = NS_ERROR_FAILURE;
|
|
nsCOMPtr<nsIPresShell> shell;
|
|
GetPresShell(getter_AddRefs(shell));
|
|
if (shell) {
|
|
nsCOMPtr<nsIDocument> doc;
|
|
shell->GetDocument(getter_AddRefs(doc));
|
|
if (doc) {
|
|
nsString buffer;
|
|
|
|
doc->CreateXIF(buffer);
|
|
|
|
nsAutoString charset;
|
|
rv = doc->GetDocumentCharacterSet(charset);
|
|
if(NS_FAILED(rv)) {
|
|
charset = "ISO-8859-1";
|
|
}
|
|
nsIParser* parser;
|
|
|
|
static NS_DEFINE_IID(kCParserIID, NS_IPARSER_IID);
|
|
static NS_DEFINE_IID(kCParserCID, NS_PARSER_IID);
|
|
|
|
rv = nsComponentManager::CreateInstance(kCParserCID,
|
|
nsnull,
|
|
kCParserIID,
|
|
(void **)&parser);
|
|
|
|
if (NS_OK == rv) {
|
|
nsIHTMLContentSink* sink = nsnull;
|
|
|
|
if (aOutputStream)
|
|
rv = NS_New_HTML_ContentSinkStream(&sink,aOutputStream,aCharsetOverride);
|
|
else if (aOutputString)
|
|
rv = NS_New_HTML_ContentSinkStream(&sink,aOutputString);
|
|
|
|
if (sink && NS_SUCCEEDED(rv)) {
|
|
|
|
if (NS_OK == rv) {
|
|
parser->SetContentSink(sink);
|
|
|
|
parser->SetDocumentCharset(charset, kCharsetFromPreviousLoading);
|
|
|
|
nsIDTD* dtd = nsnull;
|
|
rv = NS_NewXIFDTD(&dtd);
|
|
if (NS_OK == rv) {
|
|
parser->RegisterDTD(dtd);
|
|
parser->Parse(buffer, 0, "text/xif",PR_FALSE,PR_TRUE);
|
|
}
|
|
NS_IF_RELEASE(dtd);
|
|
NS_IF_RELEASE(sink);
|
|
}
|
|
}
|
|
NS_RELEASE(parser);
|
|
}
|
|
}
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP nsTextEditor::SetTextPropertiesForNode(nsIDOMNode *aNode,
|
|
nsIDOMNode *aParent,
|
|
PRInt32 aStartOffset,
|
|
PRInt32 aEndOffset,
|
|
nsIAtom *aPropName,
|
|
const nsString *aAttribute,
|
|
const nsString *aValue)
|
|
{
|
|
if (gNoisy) { printf("nsTextEditor::SetTextPropertyForNode\n"); }
|
|
nsresult result=NS_OK;
|
|
// verify that aNode is a text node
|
|
nsCOMPtr<nsIDOMCharacterData>nodeAsChar;
|
|
nodeAsChar = do_QueryInterface(aNode);
|
|
if (!nodeAsChar)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
PRBool textPropertySet;
|
|
nsCOMPtr<nsIDOMNode>resultNode;
|
|
IsTextPropertySetByContent(aNode, aPropName, aAttribute, aValue, textPropertySet, getter_AddRefs(resultNode));
|
|
if (PR_FALSE==textPropertySet)
|
|
{
|
|
nsAutoString tag;
|
|
aPropName->ToString(tag);
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
nsCOMPtr<nsIDOMNode>newStyleNode;
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
result = nsEditor::CreateNode(tag, aParent, 0, getter_AddRefs(newStyleNode));
|
|
if (NS_SUCCEEDED(result) && newStyleNode)
|
|
{
|
|
result = MoveContentOfNodeIntoNewParent(aNode, newStyleNode, aStartOffset, aEndOffset);
|
|
if (NS_SUCCEEDED(result) && newStyleNode)
|
|
{
|
|
if (aAttribute)
|
|
{
|
|
nsCOMPtr<nsIDOMElement> newStyleElement;
|
|
newStyleElement = do_QueryInterface(newStyleNode);
|
|
nsAutoString value;
|
|
if (aValue) {
|
|
value = *aValue;
|
|
}
|
|
// XXX should be a call to editor to change attribute!
|
|
result = newStyleElement->SetAttribute(*aAttribute, value);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextEditor::MoveContentOfNodeIntoNewParent(nsIDOMNode *aNode,
|
|
nsIDOMNode *aNewParentNode,
|
|
PRInt32 aStartOffset,
|
|
PRInt32 aEndOffset)
|
|
{
|
|
if (!aNode || !aNewParentNode) { return NS_ERROR_NULL_POINTER; }
|
|
if (gNoisy) { printf("nsTextEditor::MoveContentOfNodeIntoNewParent\n"); }
|
|
nsresult result=NS_OK;
|
|
|
|
PRUint32 count;
|
|
result = GetLengthOfDOMNode(aNode, count);
|
|
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
nsCOMPtr<nsIDOMNode>newChildNode; // this will be the child node we move into the new style node
|
|
// split the node at the start offset unless the split would create an empty node
|
|
if (aStartOffset!=0)
|
|
{
|
|
result = nsEditor::SplitNode(aNode, aStartOffset, getter_AddRefs(newChildNode));
|
|
if (gNoisy) { printf("* split created left node %p\n", newChildNode.get());}
|
|
if (gNoisy) {DebugDumpContent(); } // DEBUG
|
|
}
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
if (aEndOffset!=(PRInt32)count)
|
|
{
|
|
result = nsEditor::SplitNode(aNode, aEndOffset-aStartOffset, getter_AddRefs(newChildNode));
|
|
if (gNoisy) { printf("* split created left node %p\n", newChildNode.get());}
|
|
if (gNoisy) {DebugDumpContent(); } // DEBUG
|
|
}
|
|
else
|
|
{
|
|
newChildNode = do_QueryInterface(aNode);
|
|
if (gNoisy) { printf("* second split not required, new text node set to aNode = %p\n", newChildNode.get());}
|
|
}
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
// move aNewParentNode into the right location
|
|
|
|
// optimization: if all we're doing is changing a value for an existing attribute for the
|
|
// entire selection, then just twiddle the existing style node
|
|
PRBool done = PR_FALSE; // set to true in optimized case if we can really do the optimization
|
|
/*
|
|
if (aAttribute && aValue && (0==aStartOffset) && (aEndOffset==(PRInt32)count))
|
|
{
|
|
// ??? can we really compute this?
|
|
}
|
|
*/
|
|
if (PR_FALSE==done)
|
|
{
|
|
// if we've ended up with an empty text node, just delete it and we're done
|
|
nsCOMPtr<nsIDOMCharacterData>newChildNodeAsChar;
|
|
newChildNodeAsChar = do_QueryInterface(newChildNode);
|
|
PRUint32 newChildNodeLength;
|
|
if (newChildNodeAsChar)
|
|
{
|
|
newChildNodeAsChar->GetLength(&newChildNodeLength);
|
|
if (0==newChildNodeLength)
|
|
{
|
|
result = nsEditor::DeleteNode(newChildNode);
|
|
done = PR_TRUE;
|
|
}
|
|
}
|
|
// move the new child node into the new parent
|
|
if (PR_FALSE==done)
|
|
{
|
|
// first, move the new parent into the correct location
|
|
PRInt32 offsetInParent;
|
|
nsCOMPtr<nsIDOMNode>parentNode;
|
|
result = aNode->GetParentNode(getter_AddRefs(parentNode));
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
result = nsEditor::DeleteNode(aNewParentNode);
|
|
if (NS_SUCCEEDED(result))
|
|
{ // must get child offset AFTER delete of aNewParentNode!
|
|
result = GetChildOffset(aNode, parentNode, offsetInParent);
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
result = nsEditor::InsertNode(aNewParentNode, parentNode, offsetInParent);
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
// then move the new child into the new parent node
|
|
result = nsEditor::DeleteNode(newChildNode);
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
result = nsEditor::InsertNode(newChildNode, aNewParentNode, 0);
|
|
if (NS_SUCCEEDED(result))
|
|
{ // set the selection
|
|
nsCOMPtr<nsIDOMSelection>selection;
|
|
result = nsEditor::GetSelection(getter_AddRefs(selection));
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
selection->Collapse(newChildNode, 0);
|
|
PRInt32 endOffset = aEndOffset-aStartOffset;
|
|
selection->Extend(newChildNode, endOffset);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/* this should only get called if the only intervening nodes are inline style nodes */
|
|
NS_IMETHODIMP
|
|
nsTextEditor::SetTextPropertiesForNodesWithSameParent(nsIDOMNode *aStartNode,
|
|
PRInt32 aStartOffset,
|
|
nsIDOMNode *aEndNode,
|
|
PRInt32 aEndOffset,
|
|
nsIDOMNode *aParent,
|
|
nsIAtom *aPropName,
|
|
const nsString *aAttribute,
|
|
const nsString *aValue)
|
|
{
|
|
if (gNoisy) { printf("nsTextEditor::SetTextPropertiesForNodesWithSameParent\n"); }
|
|
nsresult result=NS_OK;
|
|
PRBool textPropertySet;
|
|
nsCOMPtr<nsIDOMNode>resultNode;
|
|
IsTextPropertySetByContent(aStartNode, aPropName, aAttribute, aValue, textPropertySet, getter_AddRefs(resultNode));
|
|
if (PR_FALSE==textPropertySet)
|
|
{
|
|
nsAutoString tag;
|
|
aPropName->ToString(tag);
|
|
// create the new style node, which will be the new parent for the selected nodes
|
|
nsCOMPtr<nsIDOMNode>newStyleNode;
|
|
result = nsEditor::CreateNode(tag, aParent, 0, getter_AddRefs(newStyleNode));
|
|
if (NS_SUCCEEDED(result) && newStyleNode)
|
|
{
|
|
result = MoveContiguousContentIntoNewParent(aStartNode, aStartOffset, aEndNode, aEndOffset, aParent, newStyleNode);
|
|
if (NS_SUCCEEDED(result) && aAttribute)
|
|
{
|
|
nsCOMPtr<nsIDOMElement> newStyleElement;
|
|
newStyleElement = do_QueryInterface(newStyleNode);
|
|
nsAutoString value;
|
|
if (aValue) {
|
|
value = *aValue;
|
|
}
|
|
result = newStyleElement->SetAttribute(*aAttribute, value);
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextEditor::MoveContiguousContentIntoNewParent(nsIDOMNode *aStartNode,
|
|
PRInt32 aStartOffset,
|
|
nsIDOMNode *aEndNode,
|
|
PRInt32 aEndOffset,
|
|
nsIDOMNode *aGrandParentNode,
|
|
nsIDOMNode *aNewParentNode)
|
|
{
|
|
if (!aStartNode || !aEndNode || !aNewParentNode) { return NS_ERROR_NULL_POINTER; }
|
|
if (gNoisy) { printf("nsTextEditor::MoveContiguousContentIntoNewParent\n"); }
|
|
|
|
nsresult result = NS_OK;
|
|
nsCOMPtr<nsIDOMNode>newLeftNode; // this will be the middle text node
|
|
if (0!=aStartOffset) {
|
|
result = nsEditor::SplitNode(aStartNode, aStartOffset, getter_AddRefs(newLeftNode));
|
|
}
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
PRUint32 count;
|
|
GetLengthOfDOMNode(aEndNode, count);
|
|
nsCOMPtr<nsIDOMNode>newRightNode; // this will be the middle text node
|
|
if ((PRInt32)count!=aEndOffset) {
|
|
result = nsEditor::SplitNode(aEndNode, aEndOffset, getter_AddRefs(newRightNode));
|
|
}
|
|
else {
|
|
newRightNode = do_QueryInterface(aEndNode);
|
|
}
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
PRInt32 offsetInParent;
|
|
if (newLeftNode) {
|
|
result = GetChildOffset(newLeftNode, aGrandParentNode, offsetInParent);
|
|
}
|
|
else {
|
|
offsetInParent = -1; // relies on +1 below in call to CreateNode
|
|
}
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
// wherever aNewParentNode is, delete it and insert it into aGrandParentNode
|
|
result = nsEditor::DeleteNode(aNewParentNode);
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
result = nsEditor::InsertNode(aNewParentNode, aGrandParentNode, offsetInParent);
|
|
if (NS_SUCCEEDED(result))
|
|
{ // move the right half of the start node into the new parent node
|
|
nsCOMPtr<nsIDOMNode>intermediateNode;
|
|
result = aStartNode->GetNextSibling(getter_AddRefs(intermediateNode));
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
result = nsEditor::DeleteNode(aStartNode);
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
PRInt32 childIndex=0;
|
|
result = nsEditor::InsertNode(aStartNode, aNewParentNode, childIndex);
|
|
childIndex++;
|
|
if (NS_SUCCEEDED(result))
|
|
{ // move all the intermediate nodes into the new parent node
|
|
nsCOMPtr<nsIDOMNode>nextSibling;
|
|
while (intermediateNode.get() != aEndNode)
|
|
{
|
|
if (!intermediateNode)
|
|
result = NS_ERROR_NULL_POINTER;
|
|
if (NS_FAILED(result)) {
|
|
break;
|
|
}
|
|
// get the next sibling before moving the current child!!!
|
|
intermediateNode->GetNextSibling(getter_AddRefs(nextSibling));
|
|
result = nsEditor::DeleteNode(intermediateNode);
|
|
if (NS_SUCCEEDED(result)) {
|
|
result = nsEditor::InsertNode(intermediateNode, aNewParentNode, childIndex);
|
|
childIndex++;
|
|
}
|
|
intermediateNode = do_QueryInterface(nextSibling);
|
|
}
|
|
if (NS_SUCCEEDED(result))
|
|
{ // move the left half of the end node into the new parent node
|
|
result = nsEditor::DeleteNode(newRightNode);
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
result = nsEditor::InsertNode(newRightNode, aNewParentNode, childIndex);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
/* this wraps every selected text node in a new inline style node if needed
|
|
the text nodes are treated as being unique -- each needs it's own style node
|
|
if the style is not already present.
|
|
each action has immediate effect on the content tree and resolved style, so
|
|
doing outermost text nodes first removes the need for interior style nodes in some cases.
|
|
XXX: need to code test to see if new style node is needed
|
|
*/
|
|
NS_IMETHODIMP
|
|
nsTextEditor::SetTextPropertiesForNodeWithDifferentParents(nsIDOMRange *aRange,
|
|
nsIDOMNode *aStartNode,
|
|
PRInt32 aStartOffset,
|
|
nsIDOMNode *aEndNode,
|
|
PRInt32 aEndOffset,
|
|
nsIDOMNode *aParent,
|
|
nsIAtom *aPropName,
|
|
const nsString *aAttribute,
|
|
const nsString *aValue)
|
|
{
|
|
if (gNoisy) { printf("nsTextEditor::SetTextPropertiesForNodeWithDifferentParents\n"); }
|
|
nsresult result=NS_OK;
|
|
PRUint32 count;
|
|
if (!aRange || !aStartNode || !aEndNode || !aParent || !aPropName)
|
|
return NS_ERROR_NULL_POINTER;
|
|
// create a style node for the text in the start parent
|
|
nsCOMPtr<nsIDOMNode>parent;
|
|
|
|
// create new parent nodes for all the content between the start and end nodes
|
|
nsCOMPtr<nsIContentIterator>iter;
|
|
result = nsComponentManager::CreateInstance(kCContentIteratorCID, nsnull,
|
|
kIContentIteratorIID, getter_AddRefs(iter));
|
|
if ((NS_SUCCEEDED(result)) && iter)
|
|
{
|
|
nsCOMPtr<nsIContent>startContent;
|
|
startContent = do_QueryInterface(aStartNode);
|
|
nsCOMPtr<nsIContent>endContent;
|
|
endContent = do_QueryInterface(aEndNode);
|
|
if (startContent && endContent)
|
|
{
|
|
iter->Init(aRange);
|
|
nsCOMPtr<nsIContent> content;
|
|
iter->CurrentNode(getter_AddRefs(content));
|
|
nsAutoString tag;
|
|
aPropName->ToString(tag);
|
|
while (NS_COMFALSE == iter->IsDone())
|
|
{
|
|
if ((content.get() != startContent.get()) &&
|
|
(content.get() != endContent.get()))
|
|
{
|
|
nsCOMPtr<nsIDOMCharacterData>charNode;
|
|
charNode = do_QueryInterface(content);
|
|
if (charNode)
|
|
{
|
|
// only want to wrap the text node in a new style node if it doesn't already have that style
|
|
nsCOMPtr<nsIDOMNode>node;
|
|
node = do_QueryInterface(content);
|
|
PRBool textPropertySet;
|
|
nsCOMPtr<nsIDOMNode>resultNode;
|
|
IsTextPropertySetByContent(node, aPropName, aAttribute, aValue, textPropertySet, getter_AddRefs(resultNode));
|
|
if (PR_FALSE==textPropertySet)
|
|
{
|
|
charNode->GetParentNode(getter_AddRefs(parent));
|
|
if (!parent) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
nsCOMPtr<nsIContent>parentContent;
|
|
parentContent = do_QueryInterface(parent);
|
|
|
|
PRInt32 offsetInParent;
|
|
parentContent->IndexOf(content, offsetInParent);
|
|
|
|
nsCOMPtr<nsIDOMNode>newStyleNode;
|
|
result = nsEditor::CreateNode(tag, parent, offsetInParent, getter_AddRefs(newStyleNode));
|
|
if (NS_SUCCEEDED(result) && newStyleNode)
|
|
{
|
|
nsCOMPtr<nsIDOMNode>contentNode;
|
|
contentNode = do_QueryInterface(content);
|
|
if (!contentNode) { return NS_ERROR_NULL_POINTER;}
|
|
result = GetLengthOfDOMNode(contentNode, count);
|
|
if (NS_SUCCEEDED(result)) {
|
|
result = SetTextPropertiesForNode(contentNode, newStyleNode, 0, count, aPropName, aAttribute, aValue);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// note we don't check the result, we just rely on iter->IsDone
|
|
iter->Next();
|
|
iter->CurrentNode(getter_AddRefs(content));
|
|
}
|
|
}
|
|
}
|
|
|
|
// handle endpoints
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
// create a style node for the text in the start parent
|
|
result = aStartNode->GetParentNode(getter_AddRefs(parent));
|
|
if (NS_FAILED(result)) {
|
|
return result;
|
|
}
|
|
nsCOMPtr<nsIDOMCharacterData>nodeAsChar;
|
|
nodeAsChar = do_QueryInterface(aStartNode);
|
|
if (nodeAsChar)
|
|
{
|
|
nodeAsChar->GetLength(&count);
|
|
result = SetTextPropertiesForNode(aStartNode, parent, aStartOffset, count, aPropName, aAttribute, aValue);
|
|
}
|
|
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
// create a style node for the text in the end parent
|
|
result = aEndNode->GetParentNode(getter_AddRefs(parent));
|
|
if (NS_FAILED(result)) {
|
|
return result;
|
|
}
|
|
nodeAsChar = do_QueryInterface(aEndNode);
|
|
if (nodeAsChar)
|
|
{
|
|
nodeAsChar->GetLength(&count);
|
|
result = SetTextPropertiesForNode(aEndNode, parent, 0, aEndOffset, aPropName, aAttribute, aValue);
|
|
}
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP nsTextEditor::RemoveTextPropertiesForNode(nsIDOMNode *aNode,
|
|
nsIDOMNode *aParent,
|
|
PRInt32 aStartOffset,
|
|
PRInt32 aEndOffset,
|
|
nsIAtom *aPropName,
|
|
const nsString *aAttribute)
|
|
{
|
|
if (gNoisy) { printf("nsTextEditor::RemoveTextPropertyForNode\n"); }
|
|
nsresult result=NS_OK;
|
|
nsCOMPtr<nsIDOMCharacterData>nodeAsChar;
|
|
nodeAsChar = do_QueryInterface(aNode);
|
|
PRBool textPropertySet;
|
|
nsCOMPtr<nsIDOMNode>resultNode;
|
|
IsTextPropertySetByContent(aNode, aPropName, aAttribute, nsnull, textPropertySet, getter_AddRefs(resultNode));
|
|
if (PR_TRUE==textPropertySet)
|
|
{
|
|
nsCOMPtr<nsIDOMNode>parent; // initially set to first interior parent node to process
|
|
nsCOMPtr<nsIDOMNode>newMiddleNode; // this will be the middle node after any required splits
|
|
nsCOMPtr<nsIDOMNode>newLeftNode; // this will be the leftmost node,
|
|
// the node being split will be rightmost
|
|
PRUint32 count;
|
|
// if aNode is a text node, treat is specially
|
|
if (nodeAsChar)
|
|
{
|
|
nodeAsChar->GetLength(&count);
|
|
// split the node, and all parent nodes up to the style node
|
|
// then promote the selected content to the parent of the style node
|
|
if (0!=aStartOffset) {
|
|
if (gNoisy) { printf("* splitting text node %p at %d\n", aNode, aStartOffset);}
|
|
result = nsEditor::SplitNode(aNode, aStartOffset, getter_AddRefs(newLeftNode));
|
|
if (gNoisy) { printf("* split created left node %p\n", newLeftNode.get());}
|
|
if (gNoisy) {DebugDumpContent(); } // DEBUG
|
|
}
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
if ((PRInt32)count!=aEndOffset) {
|
|
if (gNoisy) { printf("* splitting text node (right node) %p at %d\n", aNode, aEndOffset-aStartOffset);}
|
|
result = nsEditor::SplitNode(aNode, aEndOffset-aStartOffset, getter_AddRefs(newMiddleNode));
|
|
if (gNoisy) { printf("* split created middle node %p\n", newMiddleNode.get());}
|
|
if (gNoisy) {DebugDumpContent(); } // DEBUG
|
|
}
|
|
else {
|
|
if (gNoisy) { printf("* no need to split text node, middle to aNode\n");}
|
|
newMiddleNode = do_QueryInterface(aNode);
|
|
}
|
|
NS_ASSERTION(newMiddleNode, "no middle node created");
|
|
// now that the text node is split, split parent nodes until we get to the style node
|
|
parent = do_QueryInterface(aParent); // we know this has to succeed, no need to check
|
|
}
|
|
}
|
|
else {
|
|
newMiddleNode = do_QueryInterface(aNode);
|
|
parent = do_QueryInterface(aParent);
|
|
}
|
|
if (NS_SUCCEEDED(result) && newMiddleNode)
|
|
{
|
|
// split every ancestor until we find the node that is giving us the style we want to remove
|
|
// then split the style node and promote the selected content to the style node's parent
|
|
while (NS_SUCCEEDED(result) && parent)
|
|
{
|
|
if (gNoisy) { printf("* looking at parent %p\n", parent.get());}
|
|
// get the tag from parent and see if we're done
|
|
nsCOMPtr<nsIDOMNode>temp;
|
|
nsCOMPtr<nsIDOMElement>element;
|
|
element = do_QueryInterface(parent);
|
|
if (element)
|
|
{
|
|
nsAutoString tag;
|
|
result = element->GetTagName(tag);
|
|
if (gNoisy) { printf("* parent has tag %s\n", tag.ToNewCString()); } // XXX leak!
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
if (PR_FALSE==tag.EqualsIgnoreCase(aPropName->GetUnicode()))
|
|
{
|
|
PRInt32 offsetInParent;
|
|
result = GetChildOffset(newMiddleNode, parent, offsetInParent);
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
if (0!=offsetInParent) {
|
|
if (gNoisy) { printf("* splitting parent %p at offset %d\n", parent.get(), offsetInParent);}
|
|
result = nsEditor::SplitNode(parent, offsetInParent, getter_AddRefs(newLeftNode));
|
|
if (gNoisy) { printf("* split created left node %p sibling of parent\n", newLeftNode.get());}
|
|
if (gNoisy) {DebugDumpContent(); } // DEBUG
|
|
}
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
nsCOMPtr<nsIDOMNodeList>childNodes;
|
|
result = parent->GetChildNodes(getter_AddRefs(childNodes));
|
|
if (NS_SUCCEEDED(result) && childNodes)
|
|
{
|
|
childNodes->GetLength(&count);
|
|
NS_ASSERTION(count>0, "bad child count in newly split node");
|
|
if ((PRInt32)count!=1)
|
|
{
|
|
if (gNoisy) { printf("* splitting parent %p at offset %d\n", parent.get(), 1);}
|
|
result = nsEditor::SplitNode(parent, 1, getter_AddRefs(newMiddleNode));
|
|
if (gNoisy) { printf("* split created middle node %p sibling of parent\n", newMiddleNode.get());}
|
|
if (gNoisy) {DebugDumpContent(); } // DEBUG
|
|
}
|
|
else {
|
|
if (gNoisy) { printf("* no need to split parent, newMiddleNode=parent\n");}
|
|
newMiddleNode = do_QueryInterface(parent);
|
|
}
|
|
NS_ASSERTION(newMiddleNode, "no middle node created");
|
|
parent->GetParentNode(getter_AddRefs(temp));
|
|
parent = do_QueryInterface(temp);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// else we've found the style tag (referred to by "parent")
|
|
// newMiddleNode is the node that is an ancestor to the selection
|
|
else
|
|
{
|
|
if (gNoisy) { printf("* this is the style node\n");}
|
|
PRInt32 offsetInParent;
|
|
result = GetChildOffset(newMiddleNode, parent, offsetInParent);
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
nsCOMPtr<nsIDOMNodeList>childNodes;
|
|
result = parent->GetChildNodes(getter_AddRefs(childNodes));
|
|
if (NS_SUCCEEDED(result) && childNodes)
|
|
{
|
|
childNodes->GetLength(&count);
|
|
// if there are siblings to the right, split parent at offsetInParent+1
|
|
if ((PRInt32)count!=offsetInParent+1)
|
|
{
|
|
nsCOMPtr<nsIDOMNode>newRightNode;
|
|
//nsCOMPtr<nsIDOMNode>temp;
|
|
if (gNoisy) { printf("* splitting parent %p at offset %d for right side\n", parent.get(), offsetInParent+1);}
|
|
result = nsEditor::SplitNode(parent, offsetInParent+1, getter_AddRefs(temp));
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
newRightNode = do_QueryInterface(parent);
|
|
parent = do_QueryInterface(temp);
|
|
if (gNoisy) { printf("* split created right node %p sibling of parent %p\n", newRightNode.get(), parent.get());}
|
|
if (gNoisy) {DebugDumpContent(); } // DEBUG
|
|
}
|
|
}
|
|
if (NS_SUCCEEDED(result) && 0!=offsetInParent) {
|
|
if (gNoisy) { printf("* splitting parent %p at offset %d for left side\n", parent.get(), offsetInParent);}
|
|
result = nsEditor::SplitNode(parent, offsetInParent, getter_AddRefs(newLeftNode));
|
|
if (gNoisy) { printf("* split created left node %p sibling of parent %p\n", newLeftNode.get(), parent.get());}
|
|
if (gNoisy) {DebugDumpContent(); } // DEBUG
|
|
}
|
|
if (NS_SUCCEEDED(result))
|
|
{ // promote the selection to the grandparent
|
|
// first, determine the child's position in it's parent
|
|
PRInt32 childPositionInParent;
|
|
GetChildOffset(newMiddleNode, parent, childPositionInParent);
|
|
// compare childPositionInParent to the number of children in parent
|
|
//PRUint32 count=0;
|
|
//nsCOMPtr<nsIDOMNodeList>childNodes;
|
|
result = parent->GetChildNodes(getter_AddRefs(childNodes));
|
|
if (NS_SUCCEEDED(result) && childNodes) {
|
|
childNodes->GetLength(&count);
|
|
}
|
|
PRBool insertAfter = PR_FALSE;
|
|
// if they're equal, we'll insert newMiddleNode in grandParent after the parent
|
|
if ((PRInt32)count==childPositionInParent) {
|
|
insertAfter = PR_TRUE;
|
|
}
|
|
// now that we know where to put newMiddleNode, do it.
|
|
nsCOMPtr<nsIDOMNode>grandParent;
|
|
result = parent->GetParentNode(getter_AddRefs(grandParent));
|
|
if (NS_SUCCEEDED(result) && grandParent)
|
|
{
|
|
if (gNoisy) { printf("* deleting middle node %p\n", newMiddleNode.get());}
|
|
result = nsEditor::DeleteNode(newMiddleNode);
|
|
if (gNoisy) {DebugDumpContent(); } // DEBUG
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
PRInt32 position;
|
|
result = GetChildOffset(parent, grandParent, position);
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
if (PR_TRUE==insertAfter)
|
|
{
|
|
if (gNoisy) {printf("insertAfter=PR_TRUE, incr. position\n"); }
|
|
position++;
|
|
}
|
|
if (gNoisy) {
|
|
printf("* inserting node %p in grandparent %p at offset %d\n",
|
|
newMiddleNode.get(), grandParent.get(), position);
|
|
}
|
|
result = nsEditor::InsertNode(newMiddleNode, grandParent, position);
|
|
if (gNoisy) {DebugDumpContent(); } // DEBUG
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
PRBool hasChildren=PR_TRUE;
|
|
parent->HasChildNodes(&hasChildren);
|
|
if (PR_FALSE==hasChildren) {
|
|
if (gNoisy) { printf("* deleting empty style node %p\n", parent.get());}
|
|
result = nsEditor::DeleteNode(parent);
|
|
if (gNoisy) {DebugDumpContent(); } // DEBUG
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
/* this should only get called if the only intervening nodes are inline style nodes */
|
|
NS_IMETHODIMP
|
|
nsTextEditor::RemoveTextPropertiesForNodesWithSameParent(nsIDOMNode *aStartNode,
|
|
PRInt32 aStartOffset,
|
|
nsIDOMNode *aEndNode,
|
|
PRInt32 aEndOffset,
|
|
nsIDOMNode *aParent,
|
|
nsIAtom *aPropName,
|
|
const nsString *aAttribute)
|
|
{
|
|
if (gNoisy) { printf("nsTextEditor::RemoveTextPropertiesForNodesWithSameParent\n"); }
|
|
nsresult result=NS_OK;
|
|
PRInt32 startOffset = aStartOffset;
|
|
PRInt32 endOffset;
|
|
nsCOMPtr<nsIDOMCharacterData>nodeAsChar;
|
|
nsCOMPtr<nsIDOMNode>parentNode = do_QueryInterface(aParent);
|
|
|
|
// remove aPropName from all intermediate nodes
|
|
nsCOMPtr<nsIDOMNode>siblingNode;
|
|
nsCOMPtr<nsIDOMNode>nextSiblingNode; // temp to hold the next node in the list
|
|
result = aStartNode->GetNextSibling(getter_AddRefs(siblingNode));
|
|
while (siblingNode && NS_SUCCEEDED(result))
|
|
{
|
|
// get next sibling right away, before we move siblingNode!
|
|
siblingNode->GetNextSibling(getter_AddRefs(nextSiblingNode));
|
|
if (aEndNode==siblingNode.get()) { // found the end node, handle that below
|
|
break;
|
|
}
|
|
else
|
|
{ // found a sibling node between aStartNode and aEndNode, remove the style node
|
|
PRUint32 childCount=0;
|
|
nodeAsChar = do_QueryInterface(siblingNode);
|
|
if (nodeAsChar) {
|
|
nodeAsChar->GetLength(&childCount);
|
|
}
|
|
else
|
|
{
|
|
nsCOMPtr<nsIDOMNodeList>grandChildNodes;
|
|
result = siblingNode->GetChildNodes(getter_AddRefs(grandChildNodes));
|
|
if (NS_SUCCEEDED(result) && grandChildNodes) {
|
|
grandChildNodes->GetLength(&childCount);
|
|
}
|
|
if (0==childCount)
|
|
{ // node has no children
|
|
// XXX: for now, I think that's ok. just pass in 0
|
|
}
|
|
}
|
|
if (NS_SUCCEEDED(result)) {
|
|
siblingNode->GetParentNode(getter_AddRefs(parentNode));
|
|
result = RemoveTextPropertiesForNode(siblingNode, parentNode, 0, childCount, aPropName, aAttribute);
|
|
}
|
|
}
|
|
siblingNode = do_QueryInterface(nextSiblingNode);
|
|
}
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
// remove aPropName from aStartNode
|
|
//nsCOMPtr<nsIDOMCharacterData>nodeAsChar;
|
|
nodeAsChar = do_QueryInterface(aStartNode);
|
|
if (nodeAsChar) {
|
|
nodeAsChar->GetLength((PRUint32 *)&endOffset);
|
|
}
|
|
else
|
|
{
|
|
if (gNoisy) { printf("not yet supported\n");}
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
result = aStartNode->GetParentNode(getter_AddRefs(parentNode));
|
|
if (NS_SUCCEEDED(result)) {
|
|
result = RemoveTextPropertiesForNode(aStartNode, parentNode, startOffset, endOffset, aPropName, aAttribute);
|
|
}
|
|
}
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
// remove aPropName from the end node
|
|
startOffset = 0;
|
|
endOffset = aEndOffset;
|
|
result = aEndNode->GetParentNode(getter_AddRefs(parentNode));
|
|
if (NS_SUCCEEDED(result)) {
|
|
result = RemoveTextPropertiesForNode(aEndNode, parentNode, startOffset, endOffset, aPropName, aAttribute);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextEditor::RemoveTextPropertiesForNodeWithDifferentParents(nsIDOMNode *aStartNode,
|
|
PRInt32 aStartOffset,
|
|
nsIDOMNode *aEndNode,
|
|
PRInt32 aEndOffset,
|
|
nsIDOMNode *aParent,
|
|
nsIAtom *aPropName,
|
|
const nsString *aAttribute)
|
|
{
|
|
if (gNoisy) { printf("nsTextEditor::RemoveTextPropertiesForNodeWithDifferentParents\n"); }
|
|
nsresult result=NS_OK;
|
|
if (!aStartNode || !aEndNode || !aParent || !aPropName)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
PRInt32 rangeStartOffset = aStartOffset; // used to construct a range for the nodes between
|
|
PRInt32 rangeEndOffset = aEndOffset; // aStartNode and aEndNode after we've processed those endpoints
|
|
|
|
// delete the style node for the text in the start parent
|
|
PRBool skippedStartNode = PR_FALSE;
|
|
nsCOMPtr<nsIDOMCharacterData>nodeAsChar;
|
|
PRUint32 count;
|
|
nsCOMPtr<nsIDOMNode>parent;
|
|
result = aStartNode->GetParentNode(getter_AddRefs(parent));
|
|
if (NS_FAILED(result)) {
|
|
return result;
|
|
}
|
|
nodeAsChar = do_QueryInterface(aStartNode);
|
|
if (!nodeAsChar) { return NS_ERROR_FAILURE; }
|
|
nodeAsChar->GetLength(&count);
|
|
if ((PRUint32)aStartOffset!=count) { // only do this if at least one child is selected
|
|
result = RemoveTextPropertiesForNode(aStartNode, parent, aStartOffset, count, aPropName, aAttribute);
|
|
if (0!=aStartOffset) {
|
|
rangeStartOffset = 0; // we split aStartNode at aStartOffset and it is the right node now
|
|
}
|
|
}
|
|
else
|
|
{
|
|
skippedStartNode = PR_TRUE;
|
|
if (gNoisy) { printf("skipping start node because aStartOffset==count\n"); }
|
|
}
|
|
|
|
// delete the style node for the text in the end parent
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
result = aEndNode->GetParentNode(getter_AddRefs(parent));
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
nodeAsChar = do_QueryInterface(aEndNode);
|
|
if (!nodeAsChar) { return NS_ERROR_FAILURE; }
|
|
nodeAsChar->GetLength(&count);
|
|
if (aEndOffset!=0) { // only do this if at least one child is selected
|
|
result = RemoveTextPropertiesForNode(aEndNode, parent, 0, aEndOffset, aPropName, aAttribute);
|
|
if (0!=aEndOffset) {
|
|
rangeEndOffset = 0; // we split aEndNode at aEndOffset and it is the right node now
|
|
}
|
|
}
|
|
else { if (gNoisy) { printf("skipping end node because aEndOffset==0\n"); } }
|
|
}
|
|
}
|
|
|
|
// remove aPropName style nodes for all the content between the start and end nodes
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
// build our own range now, because the endpoints may have shifted during shipping
|
|
nsCOMPtr<nsIDOMRange> range;
|
|
result = nsComponentManager::CreateInstance(kCRangeCID,
|
|
nsnull,
|
|
kIDOMRangeIID,
|
|
getter_AddRefs(range));
|
|
if (NS_FAILED(result)) { return result; }
|
|
if (!range) { return NS_ERROR_NULL_POINTER; }
|
|
// compute the start node
|
|
nsCOMPtr<nsIDOMNode>startNode = do_QueryInterface(aStartNode);
|
|
if (PR_TRUE==skippedStartNode) {
|
|
nsEditor::GetNextNode(aStartNode, PR_TRUE, getter_AddRefs(startNode));
|
|
}
|
|
range->SetStart(startNode, rangeStartOffset);
|
|
range->SetEnd(aEndNode, rangeEndOffset);
|
|
if (gNoisy)
|
|
{
|
|
printf("created range [(%p,%d), (%p,%d)]\n",
|
|
aStartNode, rangeStartOffset,
|
|
aEndNode, rangeEndOffset);
|
|
}
|
|
|
|
nsVoidArray nodeList;
|
|
nsCOMPtr<nsIContentIterator>iter;
|
|
result = nsComponentManager::CreateInstance(kCContentIteratorCID, nsnull,
|
|
kIContentIteratorIID, getter_AddRefs(iter));
|
|
if ((NS_SUCCEEDED(result)) && iter)
|
|
{
|
|
nsCOMPtr<nsIContent>startContent;
|
|
startContent = do_QueryInterface(aStartNode);
|
|
nsCOMPtr<nsIContent>endContent;
|
|
endContent = do_QueryInterface(aEndNode);
|
|
if (startContent && endContent)
|
|
{
|
|
iter->Init(range);
|
|
nsCOMPtr<nsIContent> content;
|
|
iter->CurrentNode(getter_AddRefs(content));
|
|
nsAutoString propName; // the property we are removing
|
|
aPropName->ToString(propName);
|
|
while (NS_COMFALSE == iter->IsDone())
|
|
{
|
|
if ((content.get() != startContent.get()) &&
|
|
(content.get() != endContent.get()))
|
|
{
|
|
nsCOMPtr<nsIDOMElement>element;
|
|
element = do_QueryInterface(content);
|
|
if (element)
|
|
{
|
|
nsString tag;
|
|
element->GetTagName(tag);
|
|
if (propName.EqualsIgnoreCase(tag))
|
|
{
|
|
if (-1==nodeList.IndexOf(content.get())) {
|
|
nodeList.AppendElement((void *)(content.get()));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// note we don't check the result, we just rely on iter->IsDone
|
|
iter->Next();
|
|
iter->CurrentNode(getter_AddRefs(content));
|
|
}
|
|
}
|
|
}
|
|
|
|
// now delete all the style nodes we found
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
nsIContent *contentPtr;
|
|
contentPtr = (nsIContent*)(nodeList.ElementAt(0));
|
|
while (NS_SUCCEEDED(result) && contentPtr)
|
|
{
|
|
nsCOMPtr<nsIDOMNode>styleNode;
|
|
styleNode = do_QueryInterface(contentPtr);
|
|
// promote the children of styleNode
|
|
nsCOMPtr<nsIDOMNode>parentNode;
|
|
result = styleNode->GetParentNode(getter_AddRefs(parentNode));
|
|
if (NS_SUCCEEDED(result) && parentNode)
|
|
{
|
|
PRInt32 position;
|
|
result = GetChildOffset(styleNode, parentNode, position);
|
|
if (NS_SUCCEEDED(result))
|
|
{
|
|
nsCOMPtr<nsIDOMNode>previousSiblingNode;
|
|
nsCOMPtr<nsIDOMNode>childNode;
|
|
result = styleNode->GetLastChild(getter_AddRefs(childNode));
|
|
while (NS_SUCCEEDED(result) && childNode)
|
|
{
|
|
childNode->GetPreviousSibling(getter_AddRefs(previousSiblingNode));
|
|
// explicitly delete of childNode from styleNode
|
|
// 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, parentNode, position);
|
|
if (gNoisy)
|
|
{
|
|
printf("deleted next sibling node %p\n", childNode.get());
|
|
DebugDumpContent(); // DEBUG
|
|
}
|
|
}
|
|
childNode = do_QueryInterface(previousSiblingNode);
|
|
} // end while loop
|
|
// delete styleNode
|
|
result = nsEditor::DeleteNode(styleNode);
|
|
if (gNoisy)
|
|
{
|
|
printf("deleted style node %p\n", styleNode.get());
|
|
DebugDumpContent(); // DEBUG
|
|
}
|
|
}
|
|
}
|
|
|
|
// get next content ptr
|
|
nodeList.RemoveElementAt(0);
|
|
contentPtr = (nsIContent*)(nodeList.ElementAt(0));
|
|
}
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
TypeInState * nsTextEditor::GetTypeInState()
|
|
{
|
|
if (mTypeInState) {
|
|
NS_ADDREF(mTypeInState);
|
|
}
|
|
return mTypeInState;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextEditor::SetTypeInStateForProperty(TypeInState &aTypeInState,
|
|
nsIAtom *aPropName,
|
|
const nsString *aAttribute,
|
|
const nsString *aValue)
|
|
{
|
|
if (!aPropName) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
PRUint32 propEnum;
|
|
aTypeInState.GetEnumForName(aPropName, propEnum);
|
|
if (nsIEditProperty::b==aPropName || nsIEditProperty::i==aPropName || nsIEditProperty::u==aPropName)
|
|
{
|
|
if (PR_TRUE==aTypeInState.IsSet(propEnum))
|
|
{ // toggle currently set boldness
|
|
aTypeInState.UnSet(propEnum);
|
|
}
|
|
else
|
|
{ // get the current style and set boldness to the opposite of the current state
|
|
PRBool any = PR_FALSE;
|
|
PRBool all = PR_FALSE;
|
|
PRBool first = PR_FALSE;
|
|
GetTextProperty(aPropName, aAttribute, nsnull, first, any, all); // operates on current selection
|
|
aTypeInState.SetProp(propEnum, !any);
|
|
}
|
|
}
|
|
else if (nsIEditProperty::font==aPropName)
|
|
{
|
|
if (!aAttribute) { return NS_ERROR_NULL_POINTER; }
|
|
nsIAtom *attribute = NS_NewAtom(*aAttribute);
|
|
if (!attribute) { return NS_ERROR_NULL_POINTER; }
|
|
PRUint32 attrEnum;
|
|
aTypeInState.GetEnumForName(attribute, attrEnum);
|
|
if (nsIEditProperty::color==attribute || nsIEditProperty::face==attribute || nsIEditProperty::size==attribute)
|
|
{
|
|
if (PR_TRUE==aTypeInState.IsSet(attrEnum))
|
|
{
|
|
if (nsnull==aValue) {
|
|
aTypeInState.UnSet(attrEnum);
|
|
}
|
|
else { // we're just changing the value of color
|
|
aTypeInState.SetPropValue(attrEnum, *aValue);
|
|
}
|
|
}
|
|
else
|
|
{ // get the current style and set font color if it's needed
|
|
if (!aValue) { return NS_ERROR_NULL_POINTER; }
|
|
PRBool any = PR_FALSE;
|
|
PRBool all = PR_FALSE;
|
|
PRBool first = PR_FALSE;
|
|
GetTextProperty(aPropName, aAttribute, aValue, first, any, all); // operates on current selection
|
|
if (PR_FALSE==all) {
|
|
aTypeInState.SetPropValue(attrEnum, *aValue);
|
|
}
|
|
}
|
|
}
|
|
else { return NS_ERROR_FAILURE; }
|
|
}
|
|
else { return NS_ERROR_FAILURE; }
|
|
return NS_OK;
|
|
}
|
|
|
|
// This file should be rearranged to put all methods that simply call nsEditor together
|
|
NS_IMETHODIMP
|
|
nsTextEditor::CopyAttributes(nsIDOMNode *aDestNode, nsIDOMNode *aSourceNode)
|
|
{
|
|
return nsEditor::CopyAttributes(aDestNode, aSourceNode);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextEditor::BeginComposition(void)
|
|
{
|
|
return nsEditor::BeginComposition();
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextEditor::SetCompositionString(const nsString& aCompositionString)
|
|
{
|
|
return nsEditor::SetCompositionString(aCompositionString);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextEditor::EndComposition(void)
|
|
{
|
|
return nsEditor::EndComposition();
|
|
}
|