gecko-dev/editor/public/nsIHTMLEditor.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")=0; 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 nsIHTMLEditor_h__
#define nsIHTMLEditor_h__
#define NS_IHTMLEDITOR_IID \
{/*BD62F311-CB8A-11d2-983A-00805F8AA8B8*/ \
0xbd62f311, 0xcb8a, 0x11d2, \
{ 0x98, 0x3a, 0x0, 0x80, 0x5f, 0x8a, 0xa8, 0xb8 } }
#include "nsIEditor.h"
#include "nscore.h"
#include "nsIDOMDocumentFragment.h"
class nsIEditorCallback;
class nsISupportsArray;
class nsStringArray;
class nsIAtom;
class nsIOutputStream;
/**
* The HTML editor interface.
* <P>
* Use to edit text and other HTML objects represented as a DOM tree.
*/
class nsIHTMLEditor : public nsISupports{
public:
static const nsIID& GetIID() { static nsIID iid = NS_IHTMLEDITOR_IID; return iid; }
typedef enum {eSaveFileText = 0, eSaveFileHTML = 1 } ESaveFileType;
/** Initialize the text editor
*
*/
NS_IMETHOD Init(nsIDOMDocument *aDoc, nsIPresShell *aPresShell )=0;
// Methods shared with nsITextEditor (see nsITextEditor.h for details)
NS_IMETHOD SetTextProperty(nsIAtom *aProperty,
const nsString *aAttribute,
const nsString *aValue)=0;
NS_IMETHOD GetTextProperty(nsIAtom *aProperty,
const nsString *aAttribute,
const nsString *aValue,
PRBool &aFirst, PRBool &aAll, PRBool &aAny)=0;
NS_IMETHOD GetParagraphFormat(nsString& aParagraphFormat)=0;
NS_IMETHOD SetParagraphFormat(const nsString& aParagraphFormat)=0;
NS_IMETHOD RemoveTextProperty(nsIAtom *aProperty, const nsString *aAttribute)=0;
NS_IMETHOD DeleteSelection(nsIEditor::ECollapsedSelectionAction aAction)=0;
NS_IMETHOD InsertText(const nsString& aStringToInsert)=0;
NS_IMETHOD InsertBreak()=0;
NS_IMETHOD EnableUndo(PRBool aEnable)=0;
NS_IMETHOD Undo(PRUint32 aCount)=0;
NS_IMETHOD CanUndo(PRBool &aIsEnabled, PRBool &aCanUndo)=0;
NS_IMETHOD Redo(PRUint32 aCount)=0;
NS_IMETHOD CanRedo(PRBool &aIsEnabled, PRBool &aCanRedo)=0;
NS_IMETHOD BeginTransaction()=0;
NS_IMETHOD EndTransaction()=0;
NS_IMETHOD MoveSelectionUp(nsIAtom *aIncrement, PRBool aExtendSelection)=0;
NS_IMETHOD MoveSelectionDown(nsIAtom *aIncrement, PRBool aExtendSelection)=0;
NS_IMETHOD MoveSelectionNext(nsIAtom *aIncrement, PRBool aExtendSelection)=0;
NS_IMETHOD MoveSelectionPrevious(nsIAtom *aIncrement, PRBool aExtendSelection)=0;
NS_IMETHOD SelectNext(nsIAtom *aIncrement, PRBool aExtendSelection)=0;
NS_IMETHOD SelectPrevious(nsIAtom *aIncrement, PRBool aExtendSelection)=0;
NS_IMETHOD SelectAll()=0;
NS_IMETHOD ScrollUp(nsIAtom *aIncrement)=0;
NS_IMETHOD ScrollDown(nsIAtom *aIncrement)=0;
NS_IMETHOD ScrollIntoView(PRBool aScrollToBegin)=0;
NS_IMETHOD Save()=0;
NS_IMETHOD SaveAs(PRBool aSavingCopy)=0;
NS_IMETHOD Cut()=0;
NS_IMETHOD Copy()=0;
NS_IMETHOD Paste()=0;
NS_IMETHOD Insert(nsString &aInputString)=0;
NS_IMETHOD OutputText(nsString& aOutputString)=0;
NS_IMETHOD OutputHTML(nsString& aOutputString)=0;
NS_IMETHOD OutputText(nsIOutputStream* aOutputStream, nsString* aCharsetOverride = nsnull)=0;
NS_IMETHOD OutputHTML(nsIOutputStream* aOutputStream, nsString* aCharsetOverride = nsnull)=0;
// Miscellaneous Methods
/*
NS_IMETHOD CheckSpelling()=0;
NS_IMETHOD SpellingLanguage(nsIAtom *aLanguage)=0;
*/
/* The editor doesn't know anything about specific services like SpellChecking.
* Services can be invoked on the content, and these services can use the editor if they choose
* to get transactioning/undo/redo.
* For things like auto-spellcheck, the App should implement nsIDocumentObserver and
* trigger off of ContentChanged notifications.
*/
NS_IMETHOD GetParagraphStyle(nsStringArray *aTagList)=0;
/** Add a block parent node around the selected content.
* Only legal nestings are allowed.
* An example of use is for indenting using blockquote nodes.
*
* @param aParentTag The tag from which the new parent is created.
*/
NS_IMETHOD AddBlockParent(nsString& aParentTag)=0;
/** Replace the block parent node around the selected content with a new block
* parent node of type aParentTag.
* Only legal replacements are allowed.
* An example of use are is transforming H1 to LI ("paragraph type transformations").
* For containing block transformations (transforming UL to OL, for example),
* the caller should RemoveParent("UL"), set the selection appropriately,
* and call AddBlockParent("OL").
*
* @param aParentTag The tag from which the new parent is created.
*/
NS_IMETHOD ReplaceBlockParent(nsString& aParentTag)=0;
/** remove the paragraph style from the selection */
NS_IMETHOD RemoveParagraphStyle()=0;
/** remove block parent of type aTagToRemove from the selection.
* if aTagToRemove is null, the nearest enclosing block that
* is <B>not</B> a root is removed.
*/
NS_IMETHOD RemoveParent(const nsString &aParentTag)=0;
NS_IMETHOD InsertLink(nsString& aURL)=0;
NS_IMETHOD InsertImage(nsString& aURL,
nsString& aWidth, nsString& aHeight,
nsString& aHspace, nsString& aVspace,
nsString& aBorder,
nsString& aAlt, nsString& aAlignment)=0;
NS_IMETHOD InsertList(const nsString& aListType)=0;
NS_IMETHOD Indent(const nsString& aIndent)=0;
NS_IMETHOD Align(const nsString& aAlign)=0;
// This should replace InsertLink and InsertImage once it is working
NS_IMETHOD GetSelectedElement(const nsString& aTagName, nsIDOMElement** aReturn)=0;
NS_IMETHOD CreateElementWithDefaults(const nsString& aTagName, nsIDOMElement** aReturn)=0;
NS_IMETHOD InsertElement(nsIDOMElement* aElement, PRBool aDeleteSelection, nsIDOMElement** aReturn)=0;
NS_IMETHOD InsertLinkAroundSelection(nsIDOMElement* aAnchorElement)=0;
// Table editing Methods
NS_IMETHOD InsertTable()=0;
NS_IMETHOD InsertTableCell(PRInt32 aNumber, PRBool aAfter)=0;
NS_IMETHOD InsertTableColumn(PRInt32 aNumber, PRBool aAfter)=0;
NS_IMETHOD InsertTableRow(PRInt32 aNumber, PRBool aAfter)=0;
NS_IMETHOD DeleteTable()=0;
NS_IMETHOD DeleteTableCell(PRInt32 aNumber)=0;
NS_IMETHOD DeleteTableColumn(PRInt32 aNumber)=0;
NS_IMETHOD DeleteTableRow(PRInt32 aNumber)=0;
NS_IMETHOD JoinTableCells(PRBool aCellToRight)=0;
// IME editing Methods
NS_IMETHOD BeginComposition(void)=0;
NS_IMETHOD SetCompositionString(const nsString& aCompositionString)=0;
NS_IMETHOD EndComposition(void)=0;
};
#endif //nsIEditor_h__