зеркало из https://github.com/mozilla/pjs.git
437 строки
20 KiB
C++
437 строки
20 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 nsHTMLEditor_h__
|
|
#define nsHTMLEditor_h__
|
|
|
|
#include "nsCOMPtr.h"
|
|
|
|
#include "nsIHTMLEditor.h"
|
|
#include "nsITableEditor.h"
|
|
#include "nsIEditorMailSupport.h"
|
|
#include "nsIEditorStyleSheets.h"
|
|
|
|
#include "nsEditor.h"
|
|
#include "nsIDOMElement.h"
|
|
#include "nsIDOMEventListener.h"
|
|
#include "nsITableLayout.h"
|
|
|
|
#include "TypeInState.h"
|
|
#include "nsEditRules.h"
|
|
|
|
/**
|
|
* The HTML editor implementation.<br>
|
|
* Use to edit HTML document represented as a DOM tree.
|
|
*/
|
|
class nsHTMLEditor : public nsEditor,
|
|
public nsIHTMLEditor,
|
|
public nsIEditorMailSupport,
|
|
public nsITableEditor,
|
|
public nsIEditorStyleSheets
|
|
{
|
|
|
|
typedef enum {eNoOp, eReplaceParent=1, eInsertParent=2} BlockTransformationType;
|
|
|
|
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();
|
|
|
|
/* ------------ nsIHTMLEditor methods -------------- */
|
|
|
|
NS_IMETHOD GetDocumentLength(PRInt32 *aCount);
|
|
NS_IMETHOD SetMaxTextLength(PRInt32 aMaxTextLength);
|
|
NS_IMETHOD GetMaxTextLength(PRInt32& aMaxTextLength);
|
|
|
|
|
|
NS_IMETHOD SetInlineProperty(nsIAtom *aProperty,
|
|
const nsString *aAttribute,
|
|
const nsString *aValue);
|
|
|
|
NS_IMETHOD GetInlineProperty(nsIAtom *aProperty,
|
|
const nsString *aAttribute,
|
|
const nsString *aValue,
|
|
PRBool &aFirst, PRBool &aAny, PRBool &aAll);
|
|
|
|
NS_IMETHOD RemoveInlineProperty(nsIAtom *aProperty, const nsString *aAttribute);
|
|
|
|
NS_IMETHOD InsertBreak();
|
|
NS_IMETHOD InsertText(const nsString& aStringToInsert);
|
|
NS_IMETHOD InsertHTML(const nsString &aInputString);
|
|
NS_IMETHOD InsertElement(nsIDOMElement* aElement, PRBool aDeleteSelection);
|
|
|
|
NS_IMETHOD DeleteSelection(ESelectionCollapseDirection aAction);
|
|
NS_IMETHOD DeleteSelectionAndCreateNode(const nsString& aTag, nsIDOMNode ** aNewNode);
|
|
NS_IMETHOD SelectElement(nsIDOMElement* aElement);
|
|
NS_IMETHOD SetCaretAfterElement(nsIDOMElement* aElement);
|
|
|
|
NS_IMETHOD GetParagraphFormat(nsString& aParagraphFormat);
|
|
NS_IMETHOD SetParagraphFormat(const nsString& aParagraphFormat);
|
|
|
|
NS_IMETHOD GetParagraphStyle(nsStringArray *aTagList);
|
|
NS_IMETHOD RemoveParagraphStyle();
|
|
|
|
NS_IMETHOD AddBlockParent(nsString& aParentTag);
|
|
NS_IMETHOD ReplaceBlockParent(nsString& aParentTag);
|
|
NS_IMETHOD RemoveParent(const nsString &aParentTag);
|
|
|
|
NS_IMETHOD InsertList(const nsString& aListType);
|
|
NS_IMETHOD InsertHeader(const nsString& aHeaderType);
|
|
NS_IMETHOD Indent(const nsString& aIndent);
|
|
NS_IMETHOD Align(const nsString& aAlign);
|
|
|
|
NS_IMETHOD GetElementOrParentByTagName(const nsString& aTagName, nsIDOMNode *aNode, nsIDOMElement** aReturn);
|
|
NS_IMETHOD GetSelectedElement(const nsString& aTagName, nsIDOMElement** aReturn);
|
|
NS_IMETHOD CreateElementWithDefaults(const nsString& aTagName, nsIDOMElement** aReturn);
|
|
|
|
NS_IMETHOD SaveHLineSettings(nsIDOMElement* aElement);
|
|
NS_IMETHOD InsertLinkAroundSelection(nsIDOMElement* aAnchorElement);
|
|
|
|
|
|
/* ------------ nsIEditorStyleSheets methods -------------- */
|
|
|
|
NS_IMETHOD ApplyStyleSheet(const nsString& aURL);
|
|
NS_IMETHOD AddStyleSheet(nsICSSStyleSheet* aSheet);
|
|
NS_IMETHOD RemoveStyleSheet(nsICSSStyleSheet* aSheet);
|
|
|
|
/* ------------ nsIEditorMailSupport methods -------------- */
|
|
|
|
NS_IMETHOD GetBodyWrapWidth(PRInt32 *aWrapColumn);
|
|
NS_IMETHOD SetBodyWrapWidth(PRInt32 aWrapColumn);
|
|
NS_IMETHOD PasteAsQuotation();
|
|
NS_IMETHOD InsertAsQuotation(const nsString& aQuotedText);
|
|
NS_IMETHOD PasteAsCitedQuotation(const nsString& aCitation);
|
|
NS_IMETHOD InsertAsCitedQuotation(const nsString& aQuotedText, const nsString& aCitation);
|
|
NS_IMETHOD GetEmbeddedObjects(nsISupportsArray** aNodeList);
|
|
|
|
|
|
/* ------------ nsITableEditor methods -------------- */
|
|
|
|
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();
|
|
NS_IMETHOD NormalizeTable(nsIDOMElement *aTable);
|
|
NS_IMETHOD GetCellIndexes(nsIDOMElement *aCell, PRInt32& aRowIndex, PRInt32& aColIndex);
|
|
NS_IMETHOD GetTableSize(nsIDOMElement *aTable, PRInt32& aRowCount, PRInt32& aColCount);
|
|
NS_IMETHOD GetCellAt(nsIDOMElement* aTable, PRInt32 aRowIndex, PRInt32 aColIndex, nsIDOMElement* &aCell);
|
|
NS_IMETHOD GetCellDataAt(nsIDOMElement* aTable, PRInt32 aRowIndex, PRInt32 aColIndex, nsIDOMElement* &aCell,
|
|
PRInt32& aStartRowIndex, PRInt32& aStartColIndex,
|
|
PRInt32& aRowSpan, PRInt32& aColSpan, PRBool& aIsSelected);
|
|
|
|
|
|
// Selection and navigation
|
|
/* obsolete
|
|
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 ScrollUp(nsIAtom *aIncrement);
|
|
NS_IMETHOD ScrollDown(nsIAtom *aIncrement);
|
|
NS_IMETHOD ScrollIntoView(PRBool aScrollToBegin);
|
|
*/
|
|
|
|
/* miscellaneous */
|
|
// This sets background on the appropriate container element (table, cell,)
|
|
// or calls into nsTextEditor to set the page background
|
|
NS_IMETHOD SetBackgroundColor(const nsString& aColor);
|
|
NS_IMETHOD SetBodyAttribute(const nsString& aAttr, const nsString& aValue);
|
|
|
|
|
|
|
|
/* ------------ Overrides of nsEditor interface methods -------------- */
|
|
|
|
NS_IMETHOD Init(nsIDOMDocument *aDoc, nsIPresShell *aPresShell, PRUint32 aFlags);
|
|
|
|
NS_IMETHOD GetFlags(PRUint32 *aFlags);
|
|
NS_IMETHOD SetFlags(PRUint32 aFlags);
|
|
|
|
NS_IMETHOD Cut();
|
|
NS_IMETHOD Copy();
|
|
NS_IMETHOD Paste();
|
|
|
|
NS_IMETHOD OutputToString(nsString& aOutputString,
|
|
const nsString& aFormatType,
|
|
PRUint32 aFlags);
|
|
|
|
NS_IMETHOD OutputToStream(nsIOutputStream* aOutputStream,
|
|
const nsString& aFormatType,
|
|
const nsString* aCharsetOverride,
|
|
PRUint32 aFlags);
|
|
|
|
NS_IMETHOD DebugUnitTests(PRInt32 *outNumTests, PRInt32 *outNumTestsFailed);
|
|
|
|
protected:
|
|
|
|
virtual void InitRules();
|
|
|
|
NS_IMETHOD GetLayoutObject(nsIDOMNode *aNode, nsISupports **aLayoutObject);
|
|
|
|
NS_IMETHOD DeleteSelectionAndPrepareToCreateNode(nsCOMPtr<nsIDOMNode> &parentSelectedNode, PRInt32& offsetOfNewNode);
|
|
|
|
/* StyleSheet load callback */
|
|
static void ApplyStyleSheetToPresShellDocument(nsICSSStyleSheet* aSheet, void *aData);
|
|
|
|
/* remove the old style sheet, and apply the supplied one */
|
|
NS_IMETHOD ReplaceStyleSheet(nsICSSStyleSheet *aNewSheet);
|
|
|
|
|
|
// Return TRUE if aElement is a table-related elemet and caret was set
|
|
PRBool SetCaretInTableCell(nsIDOMElement* aElement);
|
|
PRBool IsElementInBody(nsIDOMElement* aElement);
|
|
|
|
// Table Editing (implemented in EditTable.cpp)
|
|
|
|
// Helper used to get nsITableLayout interface for methods implemented in nsTableFrame
|
|
NS_IMETHOD GetTableLayoutObject(nsIDOMElement* aTable, nsITableLayout **tableLayoutObject);
|
|
|
|
// Table utilities
|
|
|
|
// All of the above need to get the same basic context data
|
|
NS_IMETHOD GetCellContext(nsCOMPtr<nsIDOMSelection> &aSelection,
|
|
nsCOMPtr<nsIDOMElement> &aTable, nsCOMPtr<nsIDOMElement> &aCell,
|
|
nsCOMPtr<nsIDOMNode> &aCellParent, PRInt32& aCellOffset,
|
|
PRInt32& aRow, PRInt32& aCol);
|
|
|
|
// Use the selection iterator to find the first cell in the selection
|
|
NS_IMETHOD GetFirstSelectedCell(nsCOMPtr<nsIDOMElement> &aCell);
|
|
|
|
// Setting caret to a logical place can get tricky,
|
|
// especially after deleting table stuff
|
|
typedef enum { ePreviousColumn, ePreviousRow } SetCaretSearchDirection;
|
|
|
|
NS_IMETHOD SetCaretAfterTableEdit(nsIDOMElement* aTable, PRInt32 aCol, PRInt32 aRow, SetCaretSearchDirection aDirection);
|
|
|
|
NS_IMETHOD ReParentContentOfNode(nsIDOMNode *aNode,
|
|
nsString &aParentTag,
|
|
BlockTransformationType aTranformation);
|
|
|
|
NS_IMETHOD ReParentBlockContent(nsIDOMNode *aNode,
|
|
nsString &aParentTag,
|
|
nsIDOMNode *aBlockParentNode,
|
|
nsString &aBlockParentTag,
|
|
BlockTransformationType aTranformation,
|
|
nsIDOMNode **aNewParentNode);
|
|
|
|
NS_IMETHOD ReParentContentOfRange(nsIDOMRange *aRange,
|
|
nsString &aParentTag,
|
|
BlockTransformationType aTranformation);
|
|
|
|
NS_IMETHOD RemoveParagraphStyleFromRange(nsIDOMRange *aRange);
|
|
|
|
NS_IMETHOD RemoveParagraphStyleFromBlockContent(nsIDOMRange *aRange);
|
|
|
|
NS_IMETHOD RemoveParentFromRange(const nsString &aParentTag, nsIDOMRange *aRange);
|
|
|
|
NS_IMETHOD RemoveParentFromBlockContent(const nsString &aParentTag, nsIDOMRange *aRange);
|
|
|
|
NS_IMETHOD IsRootTag(nsString &aTag, PRBool &aIsTag);
|
|
|
|
NS_IMETHOD IsSubordinateBlock(nsString &aTag, PRBool &aIsTag);
|
|
|
|
|
|
/** content-based query returns PR_TRUE if <aProperty aAttribute=aValue> effects aNode
|
|
* If <aProperty aAttribute=aValue> contains aNode,
|
|
* but <aProperty aAttribute=SomeOtherValue> also contains aNode and the second is
|
|
* more deeply nested than the first, then the first does not effect aNode.
|
|
*
|
|
* @param aNode The target of the query
|
|
* @param aProperty The property that we are querying for
|
|
* @param aAttribute The attribute of aProperty, example: color in <FONT color="blue">
|
|
* May be null.
|
|
* @param aValue The value of aAttribute, example: blue in <FONT color="blue">
|
|
* May be null. Ignored if aAttribute is null.
|
|
* @param aIsSet [OUT] PR_TRUE if <aProperty aAttribute=aValue> effects aNode.
|
|
* @param aStyleNode [OUT] set to the node representing <aProperty aAttribute=aValue>, if found.
|
|
* null if aIsSet is returned as PR_FALSE;
|
|
*/
|
|
virtual void IsTextPropertySetByContent(nsIDOMNode *aNode,
|
|
nsIAtom *aProperty,
|
|
const nsString *aAttribute,
|
|
const nsString *aValue,
|
|
PRBool &aIsSet,
|
|
nsIDOMNode **aStyleNode) const;
|
|
|
|
/** style-based query returns PR_TRUE if (aProperty, aAttribute) is set in aSC.
|
|
* WARNING: not well tested yet since we don't do style-based queries anywhere.
|
|
*/
|
|
virtual void IsTextStyleSet(nsIStyleContext *aSC,
|
|
nsIAtom *aProperty,
|
|
const nsString *aAttributes,
|
|
PRBool &aIsSet) const;
|
|
|
|
/** Moves the content between (aNode, aStartOffset) and (aNode, aEndOffset)
|
|
* into aNewParentNode, splitting aNode as necessary to maintain the relative
|
|
* position of all leaf content.
|
|
* @param aNode The node whose content we're repositioning.
|
|
* aNode can be either a text node or a container node.
|
|
* @param aNewParentNode The node that will be the repositioned contents' parent.
|
|
* The caller is responsible for allocating aNewParentNode
|
|
* @param aStartOffset The start offset of the content of aNode
|
|
* @param aEndOffset The end offset of the content of aNode.
|
|
*/
|
|
NS_IMETHOD MoveContentOfNodeIntoNewParent(nsIDOMNode *aNode,
|
|
nsIDOMNode *aNewParentNode,
|
|
PRInt32 aStartOffset,
|
|
PRInt32 aEndOffset);
|
|
|
|
/** Moves the content between (aStartNode, aStartOffset) and (aEndNode, aEndOffset)
|
|
* into aNewParentNode, splitting aStartNode and aEndNode as necessary to maintain
|
|
* the relative position of all leaf content.
|
|
* The content between the two endpoints MUST be "contiguous" in the sense that
|
|
* it is all in the same block. Another way of saying this is all content nodes
|
|
* between aStartNode and aEndNode must be inline.
|
|
* @see IntermediateNodesAreInline
|
|
*
|
|
* @param aStartNode The left node, can be either a text node or a container node.
|
|
* @param aStartOffset The start offset in the content of aStartNode
|
|
* @param aEndNode The right node, can be either a text node or a container node.
|
|
* @param aEndOffset The end offset in the content of aEndNode.
|
|
* @param aGrandParentNode The common ancestor of aStartNode and aEndNode.
|
|
* aGrandParentNode will be the parent of aNewParentNode.
|
|
* @param aNewParentNode The node that will be the repositioned contents' parent.
|
|
* The caller is responsible for allocating aNewParentNode
|
|
*/
|
|
NS_IMETHOD MoveContiguousContentIntoNewParent(nsIDOMNode *aStartNode,
|
|
PRInt32 aStartOffset,
|
|
nsIDOMNode *aEndNode,
|
|
PRInt32 aEndOffset,
|
|
nsIDOMNode *aGrandParentNode,
|
|
nsIDOMNode *aNewParentNode);
|
|
|
|
|
|
NS_IMETHOD SetTextPropertiesForNode(nsIDOMNode *aNode,
|
|
nsIDOMNode *aParent,
|
|
PRInt32 aStartOffset,
|
|
PRInt32 aEndOffset,
|
|
nsIAtom *aPropName,
|
|
const nsString *aAttribute,
|
|
const nsString *aValue);
|
|
|
|
NS_IMETHOD SetTextPropertiesForNodesWithSameParent(nsIDOMNode *aStartNode,
|
|
PRInt32 aStartOffset,
|
|
nsIDOMNode *aEndNode,
|
|
PRInt32 aEndOffset,
|
|
nsIDOMNode *aParent,
|
|
nsIAtom *aPropName,
|
|
const nsString *aAttribute,
|
|
const nsString *aValue);
|
|
|
|
NS_IMETHOD SetTextPropertiesForNodeWithDifferentParents(nsIDOMRange *aRange,
|
|
nsIDOMNode *aStartNode,
|
|
PRInt32 aStartOffset,
|
|
nsIDOMNode *aEndNode,
|
|
PRInt32 aEndOffset,
|
|
nsIDOMNode *aParent,
|
|
nsIAtom *aPropName,
|
|
const nsString *aAttribute,
|
|
const nsString *aValue);
|
|
|
|
NS_IMETHOD RemoveTextPropertiesForNode(nsIDOMNode *aNode,
|
|
nsIDOMNode *aParent,
|
|
PRInt32 aStartOffset,
|
|
PRInt32 aEndOffset,
|
|
nsIAtom *aPropName,
|
|
const nsString *aAttribute);
|
|
|
|
NS_IMETHOD RemoveTextPropertiesForNodesWithSameParent(nsIDOMNode *aStartNode,
|
|
PRInt32 aStartOffset,
|
|
nsIDOMNode *aEndNode,
|
|
PRInt32 aEndOffset,
|
|
nsIDOMNode *aParent,
|
|
nsIAtom *aPropName,
|
|
const nsString *aAttribute);
|
|
|
|
NS_IMETHOD RemoveTextPropertiesForNodeWithDifferentParents(nsIDOMNode *aStartNode,
|
|
PRInt32 aStartOffset,
|
|
nsIDOMNode *aEndNode,
|
|
PRInt32 aEndOffset,
|
|
nsIDOMNode *aParent,
|
|
nsIAtom *aPropName,
|
|
const nsString *aAttribute);
|
|
|
|
NS_IMETHOD SetTypeInStateForProperty(TypeInState &aTypeInState,
|
|
nsIAtom *aPropName,
|
|
const nsString *aAttribute,
|
|
const nsString *aValue);
|
|
|
|
void GetTextSelectionOffsetsForRange(nsIDOMSelection *aSelection,
|
|
nsIDOMNode **aParent,
|
|
PRInt32 &aStartOffset,
|
|
PRInt32 &aEndOffset);
|
|
|
|
void ResetTextSelectionForRange(nsIDOMNode *aParent,
|
|
PRInt32 aStartOffset,
|
|
PRInt32 aEndOffset,
|
|
nsIDOMSelection *aSelection);
|
|
|
|
/** returns the absolute position of the end points of aSelection
|
|
* in the document as a text stream.
|
|
*/
|
|
nsresult GetTextSelectionOffsets(nsIDOMSelection *aSelection,
|
|
PRInt32 &aStartOffset,
|
|
PRInt32 &aEndOffset);
|
|
|
|
// Methods for handling plaintext quotations
|
|
NS_IMETHOD PasteAsPlaintextQuotation();
|
|
NS_IMETHOD InsertAsPlaintextQuotation(const nsString& aQuotedText);
|
|
|
|
// I hate seeing nsCOMPtr return types.
|
|
nsCOMPtr<nsIDOMElement> FindPreElement();
|
|
|
|
TypeInState *GetTypeInState();
|
|
|
|
/** simple utility to handle any error with event listener allocation or registration */
|
|
void HandleEventListenerError();
|
|
|
|
// Data members
|
|
protected:
|
|
|
|
TypeInState* mTypeInState;
|
|
nsEditRules* mRules;
|
|
nsCOMPtr<nsIDOMEventListener> mKeyListenerP;
|
|
nsCOMPtr<nsIDOMEventListener> mMouseListenerP;
|
|
nsCOMPtr<nsIDOMEventListener> mTextListenerP;
|
|
nsCOMPtr<nsIDOMEventListener> mCompositionListenerP;
|
|
nsCOMPtr<nsIDOMEventListener> mDragListenerP;
|
|
nsCOMPtr<nsIDOMEventListener> mFocusListenerP;
|
|
PRBool mIsComposing;
|
|
PRInt32 mMaxTextLength;
|
|
PRUint32 mWrapColumn;
|
|
|
|
// friends
|
|
friend class nsHTMLEditRules;
|
|
friend class nsTextEditRules;
|
|
|
|
};
|
|
|
|
#endif //nsHTMLEditor_h__
|
|
|