gecko-dev/editor/base/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 "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__