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103 lines
4.1 KiB
C++
103 lines
4.1 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 nsHTMLEditRules_h__
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#define nsHTMLEditRules_h__
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#include "nsTextEditRules.h"
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#include "nsCOMPtr.h"
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class nsISupportsArray;
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class nsHTMLEditRules : public nsTextEditRules
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{
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public:
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nsHTMLEditRules();
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virtual ~nsHTMLEditRules();
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// nsEditRules methods
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NS_IMETHOD WillDoAction(nsIDOMSelection *aSelection, nsRulesInfo *aInfo, PRBool *aCancel);
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NS_IMETHOD DidDoAction(nsIDOMSelection *aSelection, nsRulesInfo *aInfo, nsresult aResult);
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protected:
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enum IterDirection
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{
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kIterForward,
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kIterBackward
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};
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enum RulesEndpoint
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{
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kStart,
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kEnd
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};
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// nsHTMLEditRules implementation methods
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nsresult WillInsertText(nsIDOMSelection *aSelection,
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PRBool *aCancel,
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PlaceholderTxn **aTxn,
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const nsString *inString,
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nsString *outString,
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TypeInState typeInState,
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PRInt32 aMaxLength);
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nsresult WillInsertBreak(nsIDOMSelection *aSelection, PRBool *aCancel);
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nsresult WillDeleteSelection(nsIDOMSelection *aSelection, nsIEditor::ECollapsedSelectionAction aAction, PRBool *aCancel);
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nsresult WillMakeList(nsIDOMSelection *aSelection, PRBool aOrderd, PRBool *aCancel);
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nsresult WillIndent(nsIDOMSelection *aSelection, PRBool *aCancel);
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nsresult WillOutdent(nsIDOMSelection *aSelection, PRBool *aCancel);
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nsresult WillAlign(nsIDOMSelection *aSelection, const nsString *alignType, PRBool *aCancel);
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nsresult WillMakeHeader(nsIDOMSelection *aSelection, PRBool *aCancel);
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nsresult WillMakeAddress(nsIDOMSelection *aSelection, PRBool *aCancel);
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nsresult WillMakePRE(nsIDOMSelection *aSelection, PRBool *aCancel);
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nsresult InsertTab(nsIDOMSelection *aSelection, PRBool *aCancel, PlaceholderTxn **aTxn, nsString *outString);
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nsresult InsertSpace(nsIDOMSelection *aSelection, PRBool *aCancel, PlaceholderTxn **aTxn, nsString *outString);
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nsresult ReturnInHeader(nsIDOMSelection *aSelection, nsIDOMNode *aHeader, nsIDOMNode *aTextNode, PRInt32 aOffset);
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nsresult ReturnInParagraph(nsIDOMSelection *aSelection, nsIDOMNode *aHeader, nsIDOMNode *aTextNode, PRInt32 aOffset, PRBool *aCancel);
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nsresult ReturnInListItem(nsIDOMSelection *aSelection, nsIDOMNode *aHeader, nsIDOMNode *aTextNode, PRInt32 aOffset);
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// helper methods
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static nsresult GetTabAsNBSPs(nsString *outString);
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static nsresult GetTabAsNBSPsAndSpace(nsString *outString);
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static PRBool IsHeader(nsIDOMNode *aNode);
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static PRBool IsParagraph(nsIDOMNode *aNode);
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static PRBool IsListItem(nsIDOMNode *aNode);
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static PRBool IsUnorderedList(nsIDOMNode *aNode);
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static PRBool IsOrderedList(nsIDOMNode *aNode);
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static PRBool IsBreak(nsIDOMNode *aNode);
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static PRBool IsBody(nsIDOMNode *aNode);
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static PRBool IsBlockquote(nsIDOMNode *aNode);
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static PRBool IsFirstNode(nsIDOMNode *aNode);
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static PRBool IsLastNode(nsIDOMNode *aNode);
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static nsresult GetPromotedPoint(RulesEndpoint aWhere, nsIDOMNode *aNode, PRInt32 aOffset,
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PRInt32 actionID, nsCOMPtr<nsIDOMNode> *outNode, PRInt32 *outOffset);
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nsresult ReplaceContainer(nsIDOMNode *inNode, nsCOMPtr<nsIDOMNode> *outNode, nsString &aNodeType);
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nsresult InsertContainer(nsIDOMNode *inNode, nsCOMPtr<nsIDOMNode> *outNode, nsString &aNodeType);
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};
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#endif //nsHTMLEditRules_h__
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