gecko-dev/editor/libeditor/html/nsHTMLEditRules.h
akkana%netscape.com 1f3151a20d - Rename iDirection enum to ECollapsedSelectionAction
- Initial implementation of Insert HTML
1999-05-05 23:27:17 +00:00

151 lines
5.7 KiB
C++

/* -*- 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 nsHTMLEditRules_h__
#define nsHTMLEditRules_h__
#include "nsTextEditRules.h"
#include "nsCOMPtr.h"
class nsHTMLEditRules : public nsTextEditRules
{
public:
nsHTMLEditRules();
virtual ~nsHTMLEditRules();
// nsEditRules methods
NS_IMETHOD WillDoAction(nsIDOMSelection *aSelection, nsRulesInfo *aInfo, PRBool *aCancel);
NS_IMETHOD DidDoAction(nsIDOMSelection *aSelection, nsRulesInfo *aInfo, nsresult aResult);
// nsHTMLEditRules action id's
enum
{
kInsertBreak = 3000
};
protected:
enum IterDirection
{
kIterForward,
kIterBackward
};
// nsHTMLEditRules implementation methods
nsresult WillInsertText(nsIDOMSelection *aSelection,
PRBool *aCancel,
PlaceholderTxn **aTxn,
const nsString *inString,
nsString *outString,
TypeInState typeInState);
nsresult WillInsertBreak(nsIDOMSelection *aSelection, PRBool *aCancel);
nsresult WillDeleteSelection(nsIDOMSelection *aSelection, nsIEditor::ECollapsedSelectionAction aAction, PRBool *aCancel);
nsresult InsertTab(nsIDOMSelection *aSelection, PRBool *aCancel, PlaceholderTxn **aTxn, nsString *outString);
nsresult InsertSpace(nsIDOMSelection *aSelection, PRBool *aCancel, PlaceholderTxn **aTxn, nsString *outString);
nsresult ReturnInHeader(nsIDOMSelection *aSelection, nsIDOMNode *aHeader, nsIDOMNode *aTextNode, PRInt32 aOffset);
nsresult ReturnInParagraph(nsIDOMSelection *aSelection, nsIDOMNode *aHeader, nsIDOMNode *aTextNode, PRInt32 aOffset, PRBool *aCancel);
nsresult ReturnInListItem(nsIDOMSelection *aSelection, nsIDOMNode *aHeader, nsIDOMNode *aTextNode, PRInt32 aOffset);
// helper methods
static nsresult GetRightmostChild(nsIDOMNode *aCurrentNode, nsIDOMNode **aResultNode);
static nsresult GetLeftmostChild(nsIDOMNode *aCurrentNode, nsIDOMNode **aResultNode);
static nsresult GetPriorNode(nsIDOMNode *aCurrentNode, nsIDOMNode **aResultNode);
static nsresult GetNextNode(nsIDOMNode *aCurrentNode, nsIDOMNode **aResultNode);
static nsresult GetTabAsNBSPs(nsString *outString);
static nsresult GetTabAsNBSPsAndSpace(nsString *outString);
static nsCOMPtr<nsIAtom> GetTag(nsIDOMNode *aNode);
static PRBool NodesSameType(nsIDOMNode *aNode1, nsIDOMNode *aNode2);
static PRBool IsInlineNode(nsIDOMNode *aNode);
static PRBool IsBlockNode(nsIDOMNode *aNode);
static nsCOMPtr<nsIDOMNode> GetBlockNodeParent(nsIDOMNode *aNode);
static PRBool HasSameBlockNodeParent(nsIDOMNode *aNode1, nsIDOMNode *aNode2);
static PRBool IsTextOrElementNode(nsIDOMNode *aNode);
static PRBool IsTextNode(nsIDOMNode *aNode);
static PRBool IsEmptyTextNode(nsIDOMNode *aNode);
static PRInt32 GetIndexOf(nsIDOMNode *aParent, nsIDOMNode *aChild);
static nsCOMPtr<nsIDOMNode> GetChildAt(nsIDOMNode *aParent, PRInt32 aOffset);
static PRBool IsHeader(nsIDOMNode *aNode);
static PRBool IsParagraph(nsIDOMNode *aNode);
static PRBool IsListItem(nsIDOMNode *aNode);
static PRBool IsBreak(nsIDOMNode *aNode);
static nsCOMPtr<nsIDOMNode> NextNodeInBlock(nsIDOMNode *aNode, IterDirection aDir);
static nsresult GetStartNodeAndOffset(nsIDOMSelection *aSelection, nsCOMPtr<nsIDOMNode> *outStartNode, PRInt32 *outStartOffset);
static nsresult GetEndNodeAndOffset(nsIDOMSelection *aSelection, nsCOMPtr<nsIDOMNode> *outEndNode, PRInt32 *outEndOffset);
nsresult IsPreformatted(nsIDOMNode *aNode, PRBool *aResult);
nsresult IsNextCharWhitespace(nsIDOMNode *aParentNode, PRInt32 aOffset, PRBool *aResult);
nsresult IsPrevCharWhitespace(nsIDOMNode *aParentNode, PRInt32 aOffset, PRBool *aResult);
nsresult SplitNodeDeep(nsIDOMNode *aNode, nsIDOMNode *aSplitPointParent, PRInt32 aSplitPointOffset);
nsresult JoinNodeDeep(nsIDOMNode *aLeftNode, nsIDOMNode *aRightNode, nsIDOMSelection *aSelection);
// data
static nsIAtom *sAAtom;
static nsIAtom *sAddressAtom;
static nsIAtom *sBigAtom;
static nsIAtom *sBlinkAtom;
static nsIAtom *sBAtom;
static nsIAtom *sCiteAtom;
static nsIAtom *sCodeAtom;
static nsIAtom *sDfnAtom;
static nsIAtom *sEmAtom;
static nsIAtom *sFontAtom;
static nsIAtom *sIAtom;
static nsIAtom *sKbdAtom;
static nsIAtom *sKeygenAtom;
static nsIAtom *sNobrAtom;
static nsIAtom *sSAtom;
static nsIAtom *sSampAtom;
static nsIAtom *sSmallAtom;
static nsIAtom *sSpacerAtom;
static nsIAtom *sSpanAtom;
static nsIAtom *sStrikeAtom;
static nsIAtom *sStrongAtom;
static nsIAtom *sSubAtom;
static nsIAtom *sSupAtom;
static nsIAtom *sTtAtom;
static nsIAtom *sUAtom;
static nsIAtom *sVarAtom;
static nsIAtom *sWbrAtom;
static nsIAtom *sH1Atom;
static nsIAtom *sH2Atom;
static nsIAtom *sH3Atom;
static nsIAtom *sH4Atom;
static nsIAtom *sH5Atom;
static nsIAtom *sH6Atom;
static nsIAtom *sParagraphAtom;
static nsIAtom *sListItemAtom;
static nsIAtom *sBreakAtom;
static PRInt32 sInstanceCount;
};
#endif //nsHTMLEditRules_h__