New files for nsHTMLEditor and table editing transactions (not working yet)
git-svn-id: svn://10.0.0.236/trunk@22463 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
cmanske%netscape.com
416
mozilla/editor/libeditor/html/nsHTMLEditor.cpp
Normal file
416
mozilla/editor/libeditor/html/nsHTMLEditor.cpp
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@@ -0,0 +1,416 @@
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/* -*- Mode: C++ tab-width: 2 indent-tabs-mode: nil c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL") you may not use this file except in
|
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "nsTextEditor.h"
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#include "nsHTMLEditor.h"
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#include "nsEditorEventListeners.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 "nsEditorCID.h"
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#include "nsRepository.h"
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#include "nsIServiceManager.h"
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#include "nsITableCellLayout.h" //For GetColIndexForCell
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static NS_DEFINE_IID(kIDOMEventReceiverIID, NS_IDOMEVENTRECEIVER_IID);
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static NS_DEFINE_IID(kIDOMMouseListenerIID, NS_IDOMMOUSELISTENER_IID);
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static NS_DEFINE_IID(kIDOMKeyListenerIID, NS_IDOMKEYLISTENER_IID);
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static NS_DEFINE_CID(kEditorCID, NS_EDITOR_CID);
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static NS_DEFINE_IID(kIEditorIID, NS_IEDITOR_IID);
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static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
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static NS_DEFINE_IID(kITextEditorIID, NS_ITEXTEDITOR_IID);
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static NS_DEFINE_CID(kTextEditorCID, NS_TEXTEDITOR_CID);
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static NS_DEFINE_IID(kIHTMLEditorIID, NS_IHTMLEDITOR_IID);
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static NS_DEFINE_CID(kHTMLEditorCID, NS_HTMLEDITOR_CID);
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nsHTMLEditor::nsHTMLEditor()
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{
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NS_INIT_REFCNT();
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}
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nsHTMLEditor::~nsHTMLEditor()
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{
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//the autopointers will clear themselves up.
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#if 0
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// NO EVENT LISTERNERS YET
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//but we need to also remove the listeners or we have a leak
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//(This is identical to nsTextEditor code
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if (mEditor)
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{
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nsCOMPtr<nsIDOMDocument> doc;
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mEditor->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->RemoveEventListener(mKeyListenerP, kIDOMKeyListenerIID);
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}
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if (mMouseListenerP) {
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erP->RemoveEventListener(mMouseListenerP, kIDOMMouseListenerIID);
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}
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}
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else
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NS_NOTREACHED("~nsHTMLEditor");
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}
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}
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#endif
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}
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nsresult nsHTMLEditor::InitHTMLEditor(nsIDOMDocument *aDoc,
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nsIPresShell *aPresShell,
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nsIEditorCallback *aCallback)
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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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nsITextEditor *aTextEditor = nsnull;
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result = nsRepository::CreateInstance(kTextEditorCID, nsnull,
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kITextEditorIID, (void **)&aTextEditor);
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if (NS_FAILED(result) || !aTextEditor) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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mTextEditor = aTextEditor; // CreateInstance did our addRef
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// Initialize nsTextEditor -- this will create and initialize the base nsEditor
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// Note: nsTextEditor adds its own key, mouse, and DOM listners -- is that OK?
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result = mTextEditor->InitTextEditor(aDoc, aPresShell);
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if (NS_OK != result) {
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return result;
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}
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mTextEditor->EnableUndo(PR_TRUE);
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// Get the pointer to the base editor for easier access
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result = mTextEditor->QueryInterface(kIEditorIID, getter_AddRefs(mEditor));
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if (NS_OK != result) {
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return result;
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}
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result = NS_OK;
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}
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return result;
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}
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nsresult nsHTMLEditor::SetTextProperties(nsISupportsArray *aPropList)
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{
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nsresult result=NS_ERROR_NOT_INITIALIZED;
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if (mEditor)
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{
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result = mTextEditor->SetTextProperties(aPropList);
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}
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return result;
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}
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nsresult nsHTMLEditor::GetTextProperties(nsISupportsArray *aPropList)
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{
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nsresult result=NS_ERROR_NOT_INITIALIZED;
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if (mEditor)
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{
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result = mTextEditor->GetTextProperties(aPropList);
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}
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return result;
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}
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nsresult nsHTMLEditor::RemoveTextProperties(nsISupportsArray *aPropList)
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{
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nsresult result=NS_ERROR_NOT_INITIALIZED;
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if (mEditor)
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{
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result = mTextEditor->RemoveTextProperties(aPropList);
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}
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return result;
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}
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nsresult nsHTMLEditor::DeleteSelection(nsIEditor::Direction aDir)
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{
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nsresult result=NS_ERROR_NOT_INITIALIZED;
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if (mEditor)
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{
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result = mEditor->DeleteSelection(aDir);
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}
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return result;
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}
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nsresult nsHTMLEditor::InsertText(const nsString& aStringToInsert)
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{
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nsresult result=NS_ERROR_NOT_INITIALIZED;
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if (mEditor)
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{
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result = mEditor->InsertText(aStringToInsert);
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}
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return result;
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}
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nsresult nsHTMLEditor::InsertBreak(PRBool aCtrlKey)
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{
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nsresult result=NS_ERROR_NOT_INITIALIZED;
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if (mEditor)
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{
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result = mTextEditor->InsertBreak(aCtrlKey);
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}
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return result;
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}
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// Methods shared with the base editor.
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// Note: We could call each of these via nsTextEditor -- is that better?
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nsresult nsHTMLEditor::EnableUndo(PRBool aEnable)
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{
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nsresult result=NS_ERROR_NOT_INITIALIZED;
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if (mEditor)
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{
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result = mEditor->EnableUndo(aEnable);
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}
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return result;
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}
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nsresult nsHTMLEditor::Undo(PRUint32 aCount)
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{
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nsresult result=NS_ERROR_NOT_INITIALIZED;
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if (mEditor)
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{
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result = mEditor->Undo(aCount);
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}
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return result;
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}
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nsresult nsHTMLEditor::CanUndo(PRBool &aIsEnabled, PRBool &aCanUndo)
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{
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nsresult result=NS_ERROR_NOT_INITIALIZED;
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if (mEditor)
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{
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result = mEditor->CanUndo(aIsEnabled, aCanUndo);
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}
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return result;
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}
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nsresult nsHTMLEditor::Redo(PRUint32 aCount)
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{
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nsresult result=NS_ERROR_NOT_INITIALIZED;
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if (mEditor)
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{
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result = mEditor->Redo(aCount);
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}
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return result;
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}
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nsresult nsHTMLEditor::CanRedo(PRBool &aIsEnabled, PRBool &aCanRedo)
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{
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nsresult result=NS_ERROR_NOT_INITIALIZED;
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if (mEditor)
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{
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result = mEditor->CanRedo(aIsEnabled, aCanRedo);
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}
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return result;
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}
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nsresult nsHTMLEditor::BeginTransaction()
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{
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nsresult result=NS_ERROR_NOT_INITIALIZED;
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if (mEditor)
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{
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result = mEditor->BeginTransaction();
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}
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return result;
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}
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nsresult nsHTMLEditor::EndTransaction()
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{
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nsresult result=NS_ERROR_NOT_INITIALIZED;
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if (mEditor)
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{
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result = mEditor->EndTransaction();
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}
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return result;
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}
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nsresult nsHTMLEditor::MoveSelectionUp(nsIAtom *aIncrement, PRBool aExtendSelection)
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{
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nsresult result=NS_ERROR_NOT_INITIALIZED;
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if (mEditor)
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{
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result = mTextEditor->MoveSelectionUp(aIncrement, aExtendSelection);
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}
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return result;
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}
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nsresult nsHTMLEditor::MoveSelectionDown(nsIAtom *aIncrement, PRBool aExtendSelection)
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{
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nsresult result=NS_ERROR_NOT_INITIALIZED;
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if (mEditor)
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{
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result = mTextEditor->MoveSelectionDown(aIncrement, aExtendSelection);
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}
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return result;
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}
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nsresult nsHTMLEditor::MoveSelectionNext(nsIAtom *aIncrement, PRBool aExtendSelection)
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{
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nsresult result=NS_ERROR_NOT_INITIALIZED;
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if (mEditor)
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{
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result = mTextEditor->MoveSelectionNext(aIncrement, aExtendSelection);
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}
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return result;
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}
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nsresult nsHTMLEditor::MoveSelectionPrevious(nsIAtom *aIncrement, PRBool aExtendSelection)
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{
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nsresult result=NS_ERROR_NOT_INITIALIZED;
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if (mEditor)
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{
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result = mTextEditor->MoveSelectionPrevious(aIncrement, aExtendSelection);
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}
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return result;
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}
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nsresult nsHTMLEditor::SelectNext(nsIAtom *aIncrement, PRBool aExtendSelection)
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{
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nsresult result=NS_ERROR_NOT_INITIALIZED;
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if (mEditor)
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{
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result = mTextEditor->SelectNext(aIncrement, aExtendSelection);
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}
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return result;
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}
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nsresult nsHTMLEditor::SelectPrevious(nsIAtom *aIncrement, PRBool aExtendSelection)
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{
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nsresult result=NS_ERROR_NOT_INITIALIZED;
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if (mEditor)
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{
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result = mTextEditor->SelectPrevious(aIncrement, aExtendSelection);
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}
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return result;
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}
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nsresult nsHTMLEditor::ScrollUp(nsIAtom *aIncrement)
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{
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nsresult result=NS_ERROR_NOT_INITIALIZED;
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if (mEditor)
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{
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result = mTextEditor->ScrollUp(aIncrement);
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}
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return result;
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}
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nsresult nsHTMLEditor::ScrollDown(nsIAtom *aIncrement)
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{
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nsresult result=NS_ERROR_NOT_INITIALIZED;
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if (mEditor)
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{
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result = mTextEditor->ScrollDown(aIncrement);
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}
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return result;
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}
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nsresult nsHTMLEditor::ScrollIntoView(PRBool aScrollToBegin)
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{
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nsresult result=NS_ERROR_NOT_INITIALIZED;
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if (mEditor)
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{
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result = mTextEditor->ScrollIntoView(aScrollToBegin);
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}
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return result;
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}
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nsresult nsHTMLEditor::Insert(nsIInputStream *aInputStream)
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{
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nsresult result=NS_ERROR_NOT_INITIALIZED;
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if (mEditor)
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{
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result = mTextEditor->Insert(aInputStream);
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}
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return result;
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}
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nsresult nsHTMLEditor::OutputText(nsIOutputStream *aOutputStream)
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{
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nsresult result=NS_ERROR_NOT_INITIALIZED;
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if (mEditor)
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{
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result = mTextEditor->OutputText(aOutputStream);
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}
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return result;
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}
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nsresult nsHTMLEditor::OutputHTML(nsIOutputStream *aOutputStream)
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{
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nsresult result=NS_ERROR_NOT_INITIALIZED;
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if (mEditor)
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{
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result = mTextEditor->OutputHTML(aOutputStream);
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}
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return result;
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}
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NS_IMPL_ADDREF(nsHTMLEditor)
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NS_IMPL_RELEASE(nsHTMLEditor)
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nsresult
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nsHTMLEditor::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(kIHTMLEditorIID)) {
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*aInstancePtr = (void*)(nsIHTMLEditor*)this;
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NS_ADDREF_THIS();
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return NS_OK;
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}
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// If our pointer to nsTextEditor is null, don't bother querying?
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if (aIID.Equals(kITextEditorIID) && (mTextEditor)) {
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nsCOMPtr<nsIEditor> editor;
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nsresult result = mTextEditor->QueryInterface(kITextEditorIID, getter_AddRefs(editor));
|
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if (NS_SUCCEEDED(result) && editor) {
|
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*aInstancePtr = (void*)editor;
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return NS_OK;
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}
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}
|
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if (aIID.Equals(kIEditorIID) && (mEditor)) {
|
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nsCOMPtr<nsIEditor> editor;
|
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nsresult result = mEditor->QueryInterface(kIEditorIID, getter_AddRefs(editor));
|
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if (NS_SUCCEEDED(result) && editor) {
|
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*aInstancePtr = (void*)editor;
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return NS_OK;
|
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}
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}
|
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return NS_NOINTERFACE;
|
||||
}
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||||
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//================================================================
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||||
// HTML Editor methods
|
||||
//
|
||||
// Note: Table Editing methods are implemented in EditTable.cpp
|
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//
|
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118
mozilla/editor/libeditor/html/nsHTMLEditor.h
Normal file
118
mozilla/editor/libeditor/html/nsHTMLEditor.h
Normal file
@@ -0,0 +1,118 @@
|
||||
/* -*- 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 1.0 (the "NPL"); you may not use this file except in
|
||||
* compliance with the NPL. You may obtain a copy of the NPL at
|
||||
* http://www.mozilla.org/NPL/
|
||||
*
|
||||
* Software distributed under the NPL is distributed on an "AS IS" basis,
|
||||
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
|
||||
* for the specific language governing rights and limitations under the
|
||||
* NPL.
|
||||
*
|
||||
* The Initial Developer of this code under the NPL is Netscape
|
||||
* Communications Corporation. Portions created by Netscape are
|
||||
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
|
||||
* Reserved.
|
||||
*/
|
||||
|
||||
#ifndef nsHTMLEditor_h__
|
||||
#define nsHTMLEditor_h__
|
||||
|
||||
#include "nsITextEditor.h"
|
||||
#include "nsIHTMLEditor.h"
|
||||
#include "nsCOMPtr.h"
|
||||
#include "nsIDOMEventListener.h"
|
||||
#include "InsertTableTxn.h"
|
||||
|
||||
/**
|
||||
* The HTML editor implementation.<br>
|
||||
* Use to edit HTML document represented as a DOM tree.
|
||||
*/
|
||||
class nsHTMLEditor : public nsIHTMLEditor
|
||||
{
|
||||
public:
|
||||
// see nsIHTMLEditor for documentation
|
||||
|
||||
//Interfaces for addref and release and queryinterface
|
||||
NS_DECL_ISUPPORTS
|
||||
|
||||
//Initialization
|
||||
nsHTMLEditor();
|
||||
virtual nsresult InitHTMLEditor(nsIDOMDocument *aDoc,
|
||||
nsIPresShell *aPresShell,
|
||||
nsIEditorCallback *aCallback=nsnull);
|
||||
virtual ~nsHTMLEditor();
|
||||
|
||||
//============================================================================
|
||||
// Methods that are duplicates of nsTextEditor -- exposed here for convenience
|
||||
|
||||
// Editing Operations
|
||||
virtual nsresult SetTextProperties(nsISupportsArray *aPropList);
|
||||
virtual nsresult GetTextProperties(nsISupportsArray *aPropList);
|
||||
virtual nsresult RemoveTextProperties(nsISupportsArray *aPropList);
|
||||
virtual nsresult DeleteSelection(nsIEditor::Direction aDir);
|
||||
virtual nsresult InsertText(const nsString& aStringToInsert);
|
||||
virtual nsresult InsertBreak(PRBool aCtrlKey);
|
||||
|
||||
// Transaction control
|
||||
virtual nsresult EnableUndo(PRBool aEnable);
|
||||
virtual nsresult Undo(PRUint32 aCount);
|
||||
virtual nsresult CanUndo(PRBool &aIsEnabled, PRBool &aCanUndo);
|
||||
virtual nsresult Redo(PRUint32 aCount);
|
||||
virtual nsresult CanRedo(PRBool &aIsEnabled, PRBool &aCanRedo);
|
||||
virtual nsresult BeginTransaction();
|
||||
virtual nsresult EndTransaction();
|
||||
|
||||
// Selection and navigation -- exposed here for convenience
|
||||
virtual nsresult MoveSelectionUp(nsIAtom *aIncrement, PRBool aExtendSelection);
|
||||
virtual nsresult MoveSelectionDown(nsIAtom *aIncrement, PRBool aExtendSelection);
|
||||
virtual nsresult MoveSelectionNext(nsIAtom *aIncrement, PRBool aExtendSelection);
|
||||
virtual nsresult MoveSelectionPrevious(nsIAtom *aIncrement, PRBool aExtendSelection);
|
||||
virtual nsresult SelectNext(nsIAtom *aIncrement, PRBool aExtendSelection);
|
||||
virtual nsresult SelectPrevious(nsIAtom *aIncrement, PRBool aExtendSelection);
|
||||
virtual nsresult ScrollUp(nsIAtom *aIncrement);
|
||||
virtual nsresult ScrollDown(nsIAtom *aIncrement);
|
||||
virtual nsresult ScrollIntoView(PRBool aScrollToBegin);
|
||||
|
||||
// Input/Output
|
||||
virtual nsresult Insert(nsIInputStream *aInputStream);
|
||||
virtual nsresult OutputText(nsIOutputStream *aOutputStream);
|
||||
virtual nsresult OutputHTML(nsIOutputStream *aOutputStream);
|
||||
|
||||
//=====================================
|
||||
// HTML Editing methods
|
||||
|
||||
// Table Editing (implemented in EditTable.cpp)
|
||||
virtual nsresult CreateTxnForInsertTable(const nsIDOMElement *aTableNode, InsertTableTxn ** aTxn);
|
||||
virtual nsresult GetColIndexForCell(nsIDOMNode *aCellNode, PRInt32 &aCellIndex);
|
||||
virtual nsresult GetRowIndexForCell(nsIDOMNode *aCellNode, PRInt32 &aCellIndex);
|
||||
virtual nsresult GetFirstCellInColumn(nsIDOMNode *aCurrentCellNode, nsIDOMNode* &aFirstCellNode);
|
||||
virtual nsresult GetNextCellInColumn(nsIDOMNode *aCurrentCellNode, nsIDOMNode* &aNextCellNode);
|
||||
virtual nsresult GetFirstCellInRow(nsIDOMNode *aCurrentCellNode, nsIDOMNode* &aCellNode);
|
||||
virtual nsresult GetNextCellInRow(nsIDOMNode *aCurrentCellNode, nsIDOMNode* &aNextCellNode);
|
||||
virtual nsresult InsertTable();
|
||||
virtual nsresult InsertTableCell(PRInt32 aNumber, PRBool aAfter);
|
||||
virtual nsresult InsertTableColumn(PRInt32 aNumber, PRBool aAfter);
|
||||
virtual nsresult InsertTableRow(PRInt32 aNumber, PRBool aAfter);
|
||||
virtual nsresult DeleteTable();
|
||||
virtual nsresult DeleteTableCell(PRInt32 aNumber);
|
||||
virtual nsresult DeleteTableColumn(PRInt32 aNumber);
|
||||
virtual nsresult DeleteTableRow(PRInt32 aNumber);
|
||||
virtual nsresult JoinTableCells(PRBool aCellToRight);
|
||||
|
||||
// Data members
|
||||
protected:
|
||||
nsCOMPtr<nsIEditor> mEditor;
|
||||
nsCOMPtr<nsITextEditor> mTextEditor;
|
||||
|
||||
// EVENT LISTENERS AND COMMAND ROUTING NEEDS WORK
|
||||
// For now, the listners are tied to the nsTextEditor class
|
||||
//
|
||||
// nsCOMPtr<nsIDOMEventListener> mKeyListenerP;
|
||||
// nsCOMPtr<nsIDOMEventListener> mMouseListenerP;
|
||||
|
||||
};
|
||||
|
||||
#endif //nsHTMLEditor_h__
|
||||
|
||||
Reference in New Issue
Block a user