gecko-dev/editor/libeditor/html/nsHTMLEditor.h

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/* -*- 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 "nsTextEditor.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 nsTextEditor, public nsIHTMLEditor
{
public:
// see nsIHTMLEditor for documentation
//Interfaces for addref and release and queryinterface
//NOTE macro used is for classes that inherit from
// another class. Only the base class should use NS_DECL_ISUPPORTS
NS_DECL_ISUPPORTS_INHERITED
nsHTMLEditor();
virtual ~nsHTMLEditor();
//Initialization
NS_IMETHOD Init(nsIDOMDocument *aDoc, nsIPresShell *aPresShell);
//============================================================================
// Methods that are duplicates of nsTextEditor -- exposed here for convenience
// Editing Operations
NS_IMETHOD SetTextProperty(nsIAtom *aProperty);
NS_IMETHOD GetTextProperty(nsIAtom *aProperty, PRBool &aFirst, PRBool &aAny, PRBool &aAll);
NS_IMETHOD RemoveTextProperty(nsIAtom *aProperty);
NS_IMETHOD DeleteSelection(nsIEditor::Direction aDir);
NS_IMETHOD InsertText(const nsString& aStringToInsert);
NS_IMETHOD InsertBreak();
// Transaction control
NS_IMETHOD EnableUndo(PRBool aEnable);
NS_IMETHOD Undo(PRUint32 aCount);
NS_IMETHOD CanUndo(PRBool &aIsEnabled, PRBool &aCanUndo);
NS_IMETHOD Redo(PRUint32 aCount);
NS_IMETHOD CanRedo(PRBool &aIsEnabled, PRBool &aCanRedo);
NS_IMETHOD BeginTransaction();
NS_IMETHOD EndTransaction();
// Selection and navigation -- exposed here for convenience
NS_IMETHOD MoveSelectionUp(nsIAtom *aIncrement, PRBool aExtendSelection);
NS_IMETHOD MoveSelectionDown(nsIAtom *aIncrement, PRBool aExtendSelection);
NS_IMETHOD MoveSelectionNext(nsIAtom *aIncrement, PRBool aExtendSelection);
NS_IMETHOD MoveSelectionPrevious(nsIAtom *aIncrement, PRBool aExtendSelection);
NS_IMETHOD SelectNext(nsIAtom *aIncrement, PRBool aExtendSelection);
NS_IMETHOD SelectPrevious(nsIAtom *aIncrement, PRBool aExtendSelection);
NS_IMETHOD SelectAll();
NS_IMETHOD ScrollUp(nsIAtom *aIncrement);
NS_IMETHOD ScrollDown(nsIAtom *aIncrement);
NS_IMETHOD ScrollIntoView(PRBool aScrollToBegin);
// cut, copy & paste
NS_IMETHOD Cut();
NS_IMETHOD Copy();
NS_IMETHOD Paste();
// Input/Output
NS_IMETHOD Insert(nsString& aInputString);
NS_IMETHOD OutputText(nsString& aOutputString);
NS_IMETHOD OutputHTML(nsString& aOutputString);
//=====================================
// HTML Editing methods
NS_IMETHOD InsertLink(nsString& aURL);
NS_IMETHOD InsertImage(nsString& aURL,
nsString& aWidth, nsString& aHeight,
nsString& aHspace, nsString& aVspace,
nsString& aBorder,
nsString& aAlt, nsString& aAlignment);
// Table Editing (implemented in EditTable.cpp)
NS_IMETHOD CreateTxnForInsertTable(const nsIDOMElement *aTableNode, InsertTableTxn ** aTxn);
NS_IMETHOD GetColIndexForCell(nsIDOMNode *aCellNode, PRInt32 &aCellIndex);
NS_IMETHOD GetRowIndexForCell(nsIDOMNode *aCellNode, PRInt32 &aCellIndex);
NS_IMETHOD GetFirstCellInColumn(nsIDOMNode *aCurrentCellNode, nsIDOMNode* &aFirstCellNode);
NS_IMETHOD GetNextCellInColumn(nsIDOMNode *aCurrentCellNode, nsIDOMNode* &aNextCellNode);
NS_IMETHOD GetFirstCellInRow(nsIDOMNode *aCurrentCellNode, nsIDOMNode* &aCellNode);
NS_IMETHOD GetNextCellInRow(nsIDOMNode *aCurrentCellNode, nsIDOMNode* &aNextCellNode);
NS_IMETHOD InsertTable();
NS_IMETHOD InsertTableCell(PRInt32 aNumber, PRBool aAfter);
NS_IMETHOD InsertTableColumn(PRInt32 aNumber, PRBool aAfter);
NS_IMETHOD InsertTableRow(PRInt32 aNumber, PRBool aAfter);
NS_IMETHOD DeleteTable();
NS_IMETHOD DeleteTableCell(PRInt32 aNumber);
NS_IMETHOD DeleteTableColumn(PRInt32 aNumber);
NS_IMETHOD DeleteTableRow(PRInt32 aNumber);
NS_IMETHOD JoinTableCells(PRBool aCellToRight);
// Data members
protected:
// rules initialization
virtual void InitRules();
// 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__