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202 lines
7.9 KiB
C++
202 lines
7.9 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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#ifndef nsHTMLEditor_h__
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#define nsHTMLEditor_h__
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#include "nsITextEditor.h"
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#include "nsTextEditor.h"
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#include "nsIHTMLEditor.h"
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#include "nsCOMPtr.h"
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#include "nsIDOMEventListener.h"
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#include "InsertTableTxn.h"
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/**
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* The HTML editor implementation.<br>
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* Use to edit HTML document represented as a DOM tree.
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*/
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class nsHTMLEditor : public nsTextEditor, public nsIHTMLEditor
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{
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typedef enum {eNoOp=0, eReplaceParent=1, eInsertParent=2} BlockTransformationType;
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public:
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// see nsIHTMLEditor for documentation
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//Interfaces for addref and release and queryinterface
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//NOTE macro used is for classes that inherit from
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// another class. Only the base class should use NS_DECL_ISUPPORTS
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NS_DECL_ISUPPORTS_INHERITED
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nsHTMLEditor();
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virtual ~nsHTMLEditor();
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//Initialization
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NS_IMETHOD Init(nsIDOMDocument *aDoc, nsIPresShell *aPresShell);
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//============================================================================
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// Methods that are duplicates of nsTextEditor -- exposed here for convenience
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// Editing Operations
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NS_IMETHOD SetTextProperty(nsIAtom *aProperty,
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const nsString *aAttribute,
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const nsString *aValue);
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NS_IMETHOD GetTextProperty(nsIAtom *aProperty,
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const nsString *aAttribute, const nsString *aValue,
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PRBool &aFirst, PRBool &aAny, PRBool &aAll);
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NS_IMETHOD RemoveTextProperty(nsIAtom *aProperty, const nsString *aAttribute);
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NS_IMETHOD DeleteSelection(nsIEditor::ECollapsedSelectionAction aAction);
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NS_IMETHOD InsertText(const nsString& aStringToInsert);
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NS_IMETHOD InsertBreak();
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NS_IMETHOD CopyAttributes(nsIDOMNode *aDestNode, nsIDOMNode *aSourceNode);
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// Transaction control
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NS_IMETHOD EnableUndo(PRBool aEnable);
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NS_IMETHOD Undo(PRUint32 aCount);
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NS_IMETHOD CanUndo(PRBool &aIsEnabled, PRBool &aCanUndo);
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NS_IMETHOD Redo(PRUint32 aCount);
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NS_IMETHOD CanRedo(PRBool &aIsEnabled, PRBool &aCanRedo);
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NS_IMETHOD BeginTransaction();
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NS_IMETHOD EndTransaction();
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// Selection and navigation
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NS_IMETHOD MoveSelectionUp(nsIAtom *aIncrement, PRBool aExtendSelection);
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NS_IMETHOD MoveSelectionDown(nsIAtom *aIncrement, PRBool aExtendSelection);
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NS_IMETHOD MoveSelectionNext(nsIAtom *aIncrement, PRBool aExtendSelection);
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NS_IMETHOD MoveSelectionPrevious(nsIAtom *aIncrement, PRBool aExtendSelection);
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NS_IMETHOD SelectNext(nsIAtom *aIncrement, PRBool aExtendSelection);
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NS_IMETHOD SelectPrevious(nsIAtom *aIncrement, PRBool aExtendSelection);
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NS_IMETHOD SelectAll();
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NS_IMETHOD ScrollUp(nsIAtom *aIncrement);
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NS_IMETHOD ScrollDown(nsIAtom *aIncrement);
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NS_IMETHOD ScrollIntoView(PRBool aScrollToBegin);
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// file handling
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NS_IMETHOD Save();
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NS_IMETHOD SaveAs(PRBool aSavingCopy);
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// cut, copy & paste
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NS_IMETHOD Cut();
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NS_IMETHOD Copy();
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NS_IMETHOD Paste();
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// Input/Output
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NS_IMETHOD Insert(nsString& aInputString);
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NS_IMETHOD BeginComposition(void);
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NS_IMETHOD SetCompositionString(const nsString& aCompositionString);
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NS_IMETHOD EndComposition(void);
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NS_IMETHOD OutputText(nsString& aOutputString);
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NS_IMETHOD OutputHTML(nsString& aOutputString);
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NS_IMETHOD OutputText(nsIOutputStream* aOutputStream,nsString* aCharsetOverride = nsnull);
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NS_IMETHOD OutputHTML(nsIOutputStream* aOutputStream,nsString* aCharsetOverride = nsnull);
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// End of methods implemented in nsEditor
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//=============================================================
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// HTML Editing methods
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NS_IMETHOD GetParagraphStyle(nsStringArray *aTagList);
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NS_IMETHOD AddBlockParent(nsString& aParentTag);
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NS_IMETHOD ReplaceBlockParent(nsString& aParentTag);
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NS_IMETHOD RemoveParagraphStyle();
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NS_IMETHOD RemoveParent(const nsString &aParentTag);
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NS_IMETHOD GetParagraphFormat(nsString& aParagraphFormat);
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NS_IMETHOD SetParagraphFormat(const nsString& aParagraphFormat);
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NS_IMETHOD InsertLink(nsString& aURL);
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NS_IMETHOD InsertImage(nsString& aURL,
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nsString& aWidth, nsString& aHeight,
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nsString& aHspace, nsString& aVspace,
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nsString& aBorder,
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nsString& aAlt, nsString& aAlignment);
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// This should replace InsertLink and InsertImage once it is working
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NS_IMETHOD GetSelectedElement(const nsString& aTagName, nsIDOMElement** aReturn);
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NS_IMETHOD CreateElementWithDefaults(const nsString& aTagName, nsIDOMElement** aReturn);
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NS_IMETHOD InsertElement(nsIDOMElement* aElement, PRBool aDeleteSelection, nsIDOMElement** aReturn);
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NS_IMETHOD InsertLinkAroundSelection(nsIDOMElement* aAnchorElement);
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// Table Editing (implemented in EditTable.cpp)
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NS_IMETHOD CreateTxnForInsertTable(const nsIDOMElement *aTableNode, InsertTableTxn ** aTxn);
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NS_IMETHOD GetColIndexForCell(nsIDOMNode *aCellNode, PRInt32 &aCellIndex);
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NS_IMETHOD GetRowIndexForCell(nsIDOMNode *aCellNode, PRInt32 &aCellIndex);
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NS_IMETHOD GetFirstCellInColumn(nsIDOMNode *aCurrentCellNode, nsIDOMNode* &aFirstCellNode);
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NS_IMETHOD GetNextCellInColumn(nsIDOMNode *aCurrentCellNode, nsIDOMNode* &aNextCellNode);
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NS_IMETHOD GetFirstCellInRow(nsIDOMNode *aCurrentCellNode, nsIDOMNode* &aCellNode);
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NS_IMETHOD GetNextCellInRow(nsIDOMNode *aCurrentCellNode, nsIDOMNode* &aNextCellNode);
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NS_IMETHOD InsertTable();
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NS_IMETHOD InsertTableCell(PRInt32 aNumber, PRBool aAfter);
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NS_IMETHOD InsertTableColumn(PRInt32 aNumber, PRBool aAfter);
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NS_IMETHOD InsertTableRow(PRInt32 aNumber, PRBool aAfter);
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NS_IMETHOD DeleteTable();
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NS_IMETHOD DeleteTableCell(PRInt32 aNumber);
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NS_IMETHOD DeleteTableColumn(PRInt32 aNumber);
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NS_IMETHOD DeleteTableRow(PRInt32 aNumber);
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NS_IMETHOD JoinTableCells(PRBool aCellToRight);
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// Data members
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protected:
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// rules initialization
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virtual void InitRules();
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NS_IMETHOD ReParentContentOfNode(nsIDOMNode *aNode,
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nsString &aParentTag,
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BlockTransformationType aTranformation);
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NS_IMETHOD ReParentBlockContent(nsIDOMNode *aNode,
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nsString &aParentTag,
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nsIDOMNode *aBlockParentNode,
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nsString &aBlockParentTag,
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BlockTransformationType aTranformation,
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nsIDOMNode **aNewParentNode);
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NS_IMETHOD ReParentContentOfRange(nsIDOMRange *aRange,
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nsString &aParentTag,
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BlockTransformationType aTranformation);
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NS_IMETHOD RemoveParagraphStyleFromRange(nsIDOMRange *aRange);
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NS_IMETHOD RemoveParagraphStyleFromBlockContent(nsIDOMRange *aRange);
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NS_IMETHOD RemoveParentFromRange(const nsString &aParentTag, nsIDOMRange *aRange);
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NS_IMETHOD RemoveParentFromBlockContent(const nsString &aParentTag, nsIDOMRange *aRange);
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NS_IMETHOD CanContainBlock(nsString &aBlockChild, nsString &aBlockParent, PRBool &aCanContain);
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NS_IMETHOD IsRootTag(nsString &aTag, PRBool &aIsTag);
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NS_IMETHOD IsSubordinateBlock(nsString &aTag, PRBool &aIsTag);
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// EVENT LISTENERS AND COMMAND ROUTING NEEDS WORK
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// For now, the listners are tied to the nsTextEditor class
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//
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// nsCOMPtr<nsIDOMEventListener> mKeyListenerP;
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// nsCOMPtr<nsIDOMEventListener> mMouseListenerP;
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};
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#endif //nsHTMLEditor_h__
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