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/*
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* FCKeditor - The text editor for internet
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* Copyright (C) 2003-2006 Frederico Caldeira Knabben
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*
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* Licensed under the terms of the GNU Lesser General Public License:
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* http://www.opensource.org/licenses/lgpl-license.php
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*
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* For further information visit:
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* http://www.fckeditor.net/
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*
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* "Support Open Source software. What about a donation today?"
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*
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* File Name: fckeditingarea.js
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* FCKEditingArea Class: renders an editable area.
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*
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* File Authors:
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* Frederico Caldeira Knabben (fredck@fckeditor.net)
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*/
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/**
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* @constructor
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* @param {String} targetElement The element that will hold the editing area. Any child element present in the target will be deleted.
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*/
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var FCKEditingArea = function( targetElement )
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{
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this.TargetElement = targetElement ;
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this.Mode = FCK_EDITMODE_WYSIWYG ;
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if ( FCK.IECleanup )
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FCK.IECleanup.AddItem( this, FCKEditingArea_Cleanup ) ;
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}
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/**
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* @param {String} html The complete HTML for the page, including DOCTYPE and the <html> tag.
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*/
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FCKEditingArea.prototype.Start = function( html, secondCall )
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{
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var eTargetElement = this.TargetElement ;
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var oTargetDocument = FCKTools.GetElementDocument( eTargetElement ) ;
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// Remove all child nodes from the target.
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while( eTargetElement.childNodes.length > 0 )
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eTargetElement.removeChild( eTargetElement.childNodes[0] ) ;
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if ( this.Mode == FCK_EDITMODE_WYSIWYG )
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{
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if ( FCKBrowserInfo.IsGecko )
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html = html.replace( /(<body[^>]*>)\s*(<\/body>)/i, '$1' + GECKO_BOGUS + '$2' ) ;
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// Create the editing area IFRAME.
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var oIFrame = this.IFrame = oTargetDocument.createElement( 'iframe' ) ;
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oIFrame.src = 'javascript:void(0)' ;
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oIFrame.frameBorder = 0 ;
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oIFrame.width = oIFrame.height = '100%' ;
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// Append the new IFRAME to the target.
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eTargetElement.appendChild( oIFrame ) ;
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// IE has a bug with the <base> tag... it must have a </base> closer,
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// otherwise the all sucessive tags will be set as children nodes of the <base>.
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if ( FCKBrowserInfo.IsIE )
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html = html.replace( /(<base[^>]*?)\s*\/?>(?!\s*<\/base>)/gi, '$1></base>' ) ;
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// Get the window and document objects used to interact with the newly created IFRAME.
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this.Window = oIFrame.contentWindow ;
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// IE: Avoid JavaScript errors thrown by the editing are source (like tags events).
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// TODO: This error handler is not being fired.
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// this.Window.onerror = function() { alert( 'Error!' ) ; return true ; }
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var oDoc = this.Document = this.Window.document ;
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oDoc.open() ;
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oDoc.write( html ) ;
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oDoc.close() ;
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// Firefox 1.0.x is buggy... ohh yes... so let's do it two times and it
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// will magicaly work.
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if ( FCKBrowserInfo.IsGecko10 && !secondCall )
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{
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this.Start( html, true ) ;
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return ;
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}
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this.Window._FCKEditingArea = this ;
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// FF 1.0.x is buggy... we must wait a lot to enable editing because
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// sometimes the content simply disappears, for example when pasting
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// "bla1!<img src='some_url'>!bla2" in the source and then switching
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// back to design.
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if ( FCKBrowserInfo.IsGecko10 )
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this.Window.setTimeout( FCKEditingArea_CompleteStart, 500 ) ;
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else
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FCKEditingArea_CompleteStart.call( this.Window ) ;
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}
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else
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{
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var eTextarea = this.Textarea = oTargetDocument.createElement( 'textarea' ) ;
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eTextarea.className = 'SourceField' ;
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eTextarea.dir = 'ltr' ;
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eTextarea.style.width = eTextarea.style.height = '100%' ;
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eTextarea.style.border = 'none' ;
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eTargetElement.appendChild( eTextarea ) ;
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eTextarea.value = html ;
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// Fire the "OnLoad" event.
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FCKTools.RunFunction( this.OnLoad ) ;
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}
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}
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// "this" here is FCKEditingArea.Window
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function FCKEditingArea_CompleteStart()
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{
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// Of Firefox, the DOM takes a little to become available. So we must wait for it in a loop.
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if ( !this.document.body )
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{
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this.setTimeout( FCKEditingArea_CompleteStart, 50 ) ;
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return ;
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}
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var oEditorArea = this._FCKEditingArea ;
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oEditorArea.MakeEditable() ;
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// Fire the "OnLoad" event.
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FCKTools.RunFunction( oEditorArea.OnLoad ) ;
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}
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FCKEditingArea.prototype.MakeEditable = function()
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{
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var oDoc = this.Document ;
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if ( FCKBrowserInfo.IsIE )
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oDoc.body.contentEditable = true ;
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else
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{
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try
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{
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oDoc.designMode = 'on' ;
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// Tell Gecko to use or not the <SPAN> tag for the bold, italic and underline.
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oDoc.execCommand( 'useCSS', false, !FCKConfig.GeckoUseSPAN ) ;
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// Analysing Firefox 1.5 source code, it seams that there is support for a
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// "insertBrOnReturn" command. Applying it gives no error, but it doesn't
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// gives the same behavior that you have with IE. It works only if you are
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// already inside a paragraph and it doesn't render correctly in the first enter.
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// oDoc.execCommand( 'insertBrOnReturn', false, false ) ;
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// Tell Gecko (Firefox 1.5+) to enable or not live resizing of objects (by Alfonso Martinez)
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oDoc.execCommand( 'enableObjectResizing', false, !FCKConfig.DisableObjectResizing ) ;
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// Disable the standard table editing features of Firefox.
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oDoc.execCommand( 'enableInlineTableEditing', false, !FCKConfig.DisableFFTableHandles ) ;
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}
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catch (e) {}
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}
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}
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FCKEditingArea.prototype.Focus = function()
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{
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try
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{
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if ( this.Mode == FCK_EDITMODE_WYSIWYG )
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{
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if ( FCKBrowserInfo.IsSafari )
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this.IFrame.focus() ;
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else
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this.Window.focus() ;
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}
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else
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this.Textarea.focus() ;
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}
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catch(e) {}
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}
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function FCKEditingArea_Cleanup()
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{
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this.TargetElement = null ;
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this.IFrame = null ;
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this.Document = null ;
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this.Textarea = null ;
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if ( this.Window )
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{
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this.Window._FCKEditingArea = null ;
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this.Window = null ;
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}
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}
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