WebSVN – Applications.papyrus – //branches/v2.0-narmer/api/fckeditor/editor/_source/internals/fck_1.js

/*
 * FCKeditor - The text editor for internet
 * Copyright (C) 2003-2006 Frederico Caldeira Knabben
 * 
 * Licensed under the terms of the GNU Lesser General Public License:
 *              http://www.opensource.org/licenses/lgpl-license.php
 * 
 * For further information visit:
 *              http://www.fckeditor.net/
 * 
 * "Support Open Source software. What about a donation today?"
 * 
 * File Name: fck_1.js
 *      This is the first part of the "FCK" object creation. This is the main
 *      object that represents an editor instance.
 * 
 * File Authors:
 *              Frederico Caldeira Knabben (fredck@fckeditor.net)
 */

var FCK_StartupValue ;

FCK.Events      = new FCKEvents( FCK ) ;
FCK.Toolbar     = null ;
FCK.HasFocus = false ;

FCK.StartEditor = function()
{
        FCK.TempBaseTag = FCKConfig.BaseHref.length > 0 ? '<base href="' + FCKConfig.BaseHref + '" _fcktemp="true"></base>' : '' ;

        FCK.EditingArea = new FCKEditingArea( document.getElementById( 'xEditingArea' ) ) ;

        // Set the editor's startup contents
        this.SetHTML( FCKTools.GetLinkedFieldValue() ) ;
}

FCK.Focus = function()
{
        FCK.EditingArea.Focus() ;
}

FCK.SetStatus = function( newStatus )
{
        this.Status = newStatus ;

        if ( newStatus == FCK_STATUS_ACTIVE )
        {
                FCKFocusManager.AddWindow( window, true ) ;
                
                if ( FCKBrowserInfo.IsIE )
                        FCKFocusManager.AddWindow( window.frameElement, true ) ;

                // Force the focus in the editor.
                if ( FCKConfig.StartupFocus )
                        FCK.Focus() ;
        }

        this.Events.FireEvent( 'OnStatusChange', newStatus ) ;
}

// GetHTML is Deprecated : returns the same value as GetXHTML.
FCK.GetHTML = FCK.GetXHTML = function( format )
{
        // We assume that if the user is in source editing, the editor value must
        // represent the exact contents of the source, as the user wanted it to be.
        if ( FCK.EditMode == FCK_EDITMODE_SOURCE )
                        return FCK.EditingArea.Textarea.value ;

        var sXHTML ;
        var oDoc = FCK.EditorDocument ;

        if ( FCKConfig.FullPage )
                sXHTML = FCKXHtml.GetXHTML( oDoc.getElementsByTagName( 'html' )[0], true, format ) ;
        else
        {
                if ( FCKConfig.IgnoreEmptyParagraphValue && oDoc.body.innerHTML == '<P>&nbsp;</P>' )
                        sXHTML = '' ;
                else
                        sXHTML = FCKXHtml.GetXHTML( oDoc.body, false, format ) ;
        }
        
        // Restore protected attributes.
        sXHTML = FCK.ProtectEventsRestore( sXHTML ) ;

        if ( FCKBrowserInfo.IsIE )
                sXHTML = sXHTML.replace( FCKRegexLib.ToReplace, '$1' ) ;

        if ( FCK.DocTypeDeclaration && FCK.DocTypeDeclaration.length > 0 )
                sXHTML = FCK.DocTypeDeclaration + '\n' + sXHTML ;

        if ( FCK.XmlDeclaration && FCK.XmlDeclaration.length > 0 )
                sXHTML = FCK.XmlDeclaration + '\n' + sXHTML ;

        return FCKConfig.ProtectedSource.Revert( sXHTML ) ;
}

FCK.UpdateLinkedField = function()
{
        FCK.LinkedField.value = FCK.GetXHTML( FCKConfig.FormatOutput ) ;
        FCK.Events.FireEvent( 'OnAfterLinkedFieldUpdate' ) ;
}

FCK.RegisteredDoubleClickHandlers = new Object() ;

FCK.OnDoubleClick = function( element )
{
        var oHandler = FCK.RegisteredDoubleClickHandlers[ element.tagName ] ;
        if ( oHandler )
                oHandler( element ) ;
}

// Register objects that can handle double click operations.
FCK.RegisterDoubleClickHandler = function( handlerFunction, tag )
{
        FCK.RegisteredDoubleClickHandlers[ tag.toUpperCase() ] = handlerFunction ;
}

FCK.OnAfterSetHTML = function()
{
        FCKDocumentProcessor.Process( FCK.EditorDocument ) ;    
        FCKUndo.SaveUndoStep() ;
        FCK.Events.FireEvent( 'OnSelectionChange' ) ;
        FCK.Events.FireEvent( 'OnAfterSetHTML' ) ;
}

// Saves URLs on links and images on special attributes, so they don't change when 
// moving around.
FCK.ProtectUrls = function( html )
{
        // <A> href
        html = html.replace( FCKRegexLib.ProtectUrlsA   , '$1$4$2$3$5$2 _fcksavedurl=$2$3$5$2' ) ;

        // <IMG> src
        html = html.replace( FCKRegexLib.ProtectUrlsImg , '$1$4$2$3$5$2 _fcksavedurl=$2$3$5$2' ) ;
        
        return html ;
}

// Saves event attributes (like onclick) so they don't get executed while
// editing.
FCK.ProtectEvents = function( html )
{
        return html.replace( FCKRegexLib.TagsWithEvent, _FCK_ProtectEvents_ReplaceTags ) ;
}

// Replace all events attributes (like onclick).
function _FCK_ProtectEvents_ReplaceTags( tagMatch )
{
        return tagMatch.replace( FCKRegexLib.EventAttributes, _FCK_ProtectEvents_ReplaceEvents ) ;
}

// Replace an event attribute with its respective __fckprotectedatt attribute.
// The original event markup will be encoded and saved as the value of the new
// attribute.
function _FCK_ProtectEvents_ReplaceEvents( eventMatch, attName )
{
        return ' ' + attName + '_fckprotectedatt="' + eventMatch.ReplaceAll( [/&/g,/'/g,/"/g,/=/g,/</g,/>/g,/\r/g,/\n/g], ['&apos;','&#39;','&quot;','&#61;','&lt;','&gt;','&#10;','&#13;'] ) + '"' ;
}

FCK.ProtectEventsRestore = function( html )
{
        return html.replace( FCKRegexLib.ProtectedEvents, _FCK_ProtectEvents_RestoreEvents ) ;
}

function _FCK_ProtectEvents_RestoreEvents( match, encodedOriginal )
{
        return encodedOriginal.ReplaceAll( [/&#39;/g,/&quot;/g,/&#61;/g,/&lt;/g,/&gt;/g,/&#10;/g,/&#13;/g,/&apos;/g], ["'",'"','=','<','>','\r','\n','&'] ) ;
}

FCK.IsDirty = function()
{
        return ( FCK_StartupValue != FCK.EditorDocument.body.innerHTML ) ;
}

FCK.ResetIsDirty = function()
{
        if ( FCK.EditorDocument.body )
                FCK_StartupValue = FCK.EditorDocument.body.innerHTML ;
}

FCK.SetHTML = function( html )
{
        this.EditingArea.Mode = FCK.EditMode ;

        if ( FCK.EditMode == FCK_EDITMODE_WYSIWYG )
        {       
                html = FCKConfig.ProtectedSource.Protect( html ) ;
                html = FCK.ProtectEvents( html ) ;
                html = FCK.ProtectUrls( html ) ;

                // Firefox can't handle correctly the editing of the STRONG and EM tags. 
                // We must replace them with B and I.
                if ( FCKBrowserInfo.IsGecko )
                {
                        html = html.replace( FCKRegexLib.StrongOpener, '<b$1' ) ;
                        html = html.replace( FCKRegexLib.StrongCloser, '<\/b>' ) ;
                        html = html.replace( FCKRegexLib.EmOpener, '<i$1' ) ;
                        html = html.replace( FCKRegexLib.EmCloser, '<\/i>' ) ;
                }
                else if ( FCKBrowserInfo.IsIE )
                {
                        // IE doesn't support <abbr> and it breaks it. Let's protect it.
                        html = html.replace( FCKRegexLib.AbbrOpener, '<FCK:abbr$1' ) ;
                        html = html.replace( FCKRegexLib.AbbrCloser, '<\/FCK:abbr>' ) ;
                }

                var sHtml = '' ;

                if ( FCKConfig.FullPage )
                {
                        // The HTML must be fixed if the <head> is not available.
                        if ( !FCKRegexLib.HeadOpener.test( html ) )
                        {
                                // Check if the <html> is available.
                                if ( !FCKRegexLib.HtmlOpener.test( html ) )
                                        html = '<html dir="' + FCKConfig.ContentLangDirection + '">' + html + '</html>' ;
                                
                                // Add the <head>.
                                html = html.replace( FCKRegexLib.HtmlOpener, '$&<head></head>' ) ;
                        }
                        
                        // Save the DOCTYPE.
                        FCK.DocTypeDeclaration = html.match( FCKRegexLib.DocTypeTag ) ;
                        
                        if ( FCKBrowserInfo.IsIE )
                                sHtml = FCK._GetBehaviorsStyle() ;
                        else if ( FCKConfig.ShowBorders ) 
                                sHtml = '<link href="' + FCKConfig.FullBasePath + 'css/fck_showtableborders_gecko.css" rel="stylesheet" type="text/css" _fcktemp="true" />' ;

                        sHtml += '<link href="' + FCKConfig.FullBasePath + 'css/fck_internal.css' + '" rel="stylesheet" type="text/css" _fcktemp="true" />' ;

                        sHtml = html.replace( FCKRegexLib.HeadCloser, sHtml + '$&' ) ;

                        // Insert the base tag (FCKConfig.BaseHref), if not exists in the source.
                        if ( FCK.TempBaseTag.length > 0 && !FCKRegexLib.HasBaseTag.test( html ) )
                                sHtml = sHtml.replace( FCKRegexLib.HeadOpener, '$&' + FCK.TempBaseTag ) ;
                }
                else
                {
                        sHtml =
                                FCKConfig.DocType +
                                '<html dir="' + FCKConfig.ContentLangDirection + '"' ;
                        
                        // On IE, if you are use a DOCTYPE differenft of HTML 4 (like
                        // XHTML), you must force the vertical scroll to show, otherwise
                        // the horizontal one may appear when the page needs vertical scrolling.
                        if ( FCKBrowserInfo.IsIE && !FCKRegexLib.Html4DocType.test( FCKConfig.DocType ) )
                                sHtml += ' style="overflow-y: scroll"' ;
                        
                        sHtml +=
                                '><head><title></title>' +
                                this._GetEditorAreaStyleTags() +
                                '<link href="' + FCKConfig.FullBasePath + 'css/fck_internal.css' + '" rel="stylesheet" type="text/css" _fcktemp="true" />' ;

                        if ( FCKBrowserInfo.IsIE )
                                sHtml += FCK._GetBehaviorsStyle() ;
                        else if ( FCKConfig.ShowBorders ) 
                                sHtml += '<link href="' + FCKConfig.FullBasePath + 'css/fck_showtableborders_gecko.css" rel="stylesheet" type="text/css" _fcktemp="true" />' ;

                        sHtml += FCK.TempBaseTag ;
                        sHtml += '</head><body>' ;
                        
                        if ( FCKBrowserInfo.IsGecko && ( html.length == 0 || FCKRegexLib.EmptyParagraph.test( html ) ) )
                                sHtml += GECKO_BOGUS ;
                        else
                                sHtml += html ;
                        
                        sHtml += '</body></html>' ;
                }

                this.EditingArea.OnLoad = FCK_EditingArea_OnLoad ;
                this.EditingArea.Start( sHtml ) ;
        }
        else
        {
                this.EditingArea.OnLoad = null ;
                this.EditingArea.Start( html ) ;
                
                // Enables the context menu in the textarea.
                this.EditingArea.Textarea._FCKShowContextMenu = true ;
        }

        if ( FCKBrowserInfo.IsGecko )
                window.onresize() ;
}

function FCK_EditingArea_OnLoad()
{
        // Get the editor's window and document (DOM)
        FCK.EditorWindow        = FCK.EditingArea.Window ;
        FCK.EditorDocument      = FCK.EditingArea.Document ;

        FCK.InitializeBehaviors() ;

        FCK.OnAfterSetHTML() ;

        // Check if it is not a startup call, otherwise complete the startup.
        if ( FCK.Status != FCK_STATUS_NOTLOADED )
                return ;

        // Save the startup value for the "IsDirty()" check.
        FCK.ResetIsDirty() ;

        // Attach the editor to the form onsubmit event
        FCKTools.AttachToLinkedFieldFormSubmit( FCK.UpdateLinkedField ) ;

        FCK.SetStatus( FCK_STATUS_ACTIVE ) ;
}

FCK._GetEditorAreaStyleTags = function()
{
        var sTags = '' ;
        var aCSSs = FCKConfig.EditorAreaCSS ;
        
        for ( var i = 0 ; i < aCSSs.length ; i++ )
                sTags += '<link href="' + aCSSs[i] + '" rel="stylesheet" type="text/css" />' ;
        
        return sTags ;
}

// # Focus Manager: Manages the focus in the editor.
var FCKFocusManager = FCK.FocusManager = new Object() ;
FCKFocusManager.IsLocked = false ;
FCK.HasFocus = false ;

FCKFocusManager.AddWindow = function( win, sendToEditingArea )
{
        var oTarget ;
        
        if ( FCKBrowserInfo.IsIE )
                oTarget = win.nodeType == 1 ? win : win.frameElement ? win.frameElement : win.document ;
        else
                oTarget = win.document ;
        
        FCKTools.AddEventListener( oTarget, 'blur', FCKFocusManager_Win_OnBlur ) ;
        FCKTools.AddEventListener( oTarget, 'focus', sendToEditingArea ? FCKFocusManager_Win_OnFocus_Area : FCKFocusManager_Win_OnFocus ) ;
}

FCKFocusManager.RemoveWindow = function( win )
{
        if ( FCKBrowserInfo.IsIE )
                oTarget = win.nodeType == 1 ? win : win.frameElement ? win.frameElement : win.document ;
        else
                oTarget = win.document ;

        FCKTools.RemoveEventListener( oTarget, 'blur', FCKFocusManager_Win_OnBlur ) ;
        FCKTools.RemoveEventListener( oTarget, 'focus', FCKFocusManager_Win_OnFocus_Area ) ;
        FCKTools.RemoveEventListener( oTarget, 'focus', FCKFocusManager_Win_OnFocus ) ;
}

FCKFocusManager.Lock = function()
{
        this.IsLocked = true ;
}

FCKFocusManager.Unlock = function()
{
        if ( this._HasPendingBlur )
                FCKFocusManager._Timer = window.setTimeout( FCKFocusManager_FireOnBlur, 100 ) ;
                
        this.IsLocked = false ;
}

FCKFocusManager._ResetTimer = function()
{
        this._HasPendingBlur = false ;

        if ( this._Timer )
        {
                window.clearTimeout( this._Timer ) ;
                delete this._Timer ; 
        }
}

function FCKFocusManager_Win_OnBlur()
{
        if ( typeof(FCK) != 'undefined' && FCK.HasFocus )
        {
                FCKFocusManager._ResetTimer() ;
                FCKFocusManager._Timer = window.setTimeout( FCKFocusManager_FireOnBlur, 100 ) ;
        }
}

function FCKFocusManager_FireOnBlur()
{
        if ( FCKFocusManager.IsLocked )
                FCKFocusManager._HasPendingBlur = true ;
        else
        {
                FCK.HasFocus = false ;
                FCK.Events.FireEvent( "OnBlur" ) ;
        }
}

function FCKFocusManager_Win_OnFocus_Area()
{
        FCKFocusManager_Win_OnFocus() ;
        FCK.Focus() ;
}

function FCKFocusManager_Win_OnFocus()
{
        FCKFocusManager._ResetTimer() ;

        if ( !FCK.HasFocus && !FCKFocusManager.IsLocked )
        {
                FCK.HasFocus = true ;
                FCK.Events.FireEvent( "OnFocus" ) ;
        }
}
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