/*

 * FCKeditor - The text editor for internet

 * Copyright (C) 2003-2004 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 go to http://www.fredck.com/FCKeditor/ 

 * or contact fckeditor@fredck.com.

 *

 * fckeditor.js: Inserts a FCKeditor instance in a HTML page.

 *

 * Authors:

 *   Frederico Caldeira Knabben (fckeditor@fredck.com)

 */



var isOpera = (navigator.userAgent.indexOf("Opera") > 0) ;



// Check if the browser is compatible with the Editor:

//		- Internet Explorer 5 or above

var isCompatible = (!isOpera && navigator.appName == 'Microsoft Internet Explorer') ;

if (isCompatible)

{

	var browserVersion = navigator.appVersion.match(/MSIE (.\..)/)[1] ;

	isCompatible = (browserVersion >= 5) ;

}



// FCKeditor class

function FCKeditor(instanceName, width, height, toolbarSet, value)

{

	this.InstanceName	= instanceName ;

	this.Width			= width			|| '100%' ;

	this.Height			= height		|| '200' ;

	this.ToolbarSet		= toolbarSet ;

	this.Value			= value			|| '' ;

	

	this.Config			= new Object() ;

	this.CanUpload		= null ;	// true / false

	this.CanBrowse		= null ;	// true / false

	this.BasePath		= '/FCKeditor/' ;

}



FCKeditor.prototype.Create = function()

{

	if (isCompatible)

	{

		document.write( this._GetIFrameHtml() ) ;

		document.write('<INPUT type="hidden" name="' + this.InstanceName + '" value="' +  this._HTMLEncode( this.Value ) + '">') ;

	}

	else

	{

		var sWidth  = this.Width.toString().indexOf('%')  > 0 ? this.Width  : this.Width  + 'px' ;

		var sHeight = this.Height.toString().indexOf('%') > 0 ? this.Height : this.Height + 'px' ;

		document.write('<TEXTAREA name="' + this.InstanceName + '" rows="4" cols="40" style="WIDTH: ' + sWidth + '; HEIGHT: ' + sHeight + '" wrap="virtual">' + this._HTMLEncode( this.Value ) + '<\/TEXTAREA>') ;

	}

}



FCKeditor.prototype.ReplaceTextarea = function()

{

	if ( isCompatible )

	{

		var oTextarea = document.getElementsByName( this.InstanceName )[0] ;

		oTextarea.style.display = 'none' ;

		oTextarea.insertAdjacentHTML( 'afterEnd', this._GetIFrameHtml() ) ;

	}

}



FCKeditor.prototype._GetIFrameHtml = function()

{

	var sLink = this.BasePath + 'fckeditor.html?FieldName=' + this.InstanceName ;

	if (this.ToolbarSet) sLink += '&Toolbar=' + this.ToolbarSet ;

	if (this.CanUpload != null) sLink += '&Upload=' + (this.CanUpload ? "true" : "false") ;

	if (this.CanBrowse != null) sLink += '&Browse=' + (this.CanBrowse ? "true" : "false") ;

		

	for ( o in this.Config )

		sLink += '&' + o + '=' + escape( this.Config[o] ) ;



	return '<IFRAME name="frame_' + this.InstanceName + '" src="' + sLink + '" width="' + this.Width + '" height="' + this.Height + '" frameborder="no" scrolling="no"></IFRAME>' ;

}



FCKeditor.prototype._HTMLEncode = function(text)

{

	text = text.replace(/&/g, "&amp;") ;

	text = text.replace(/"/g, "&quot;") ;

	text = text.replace(/</g, "&lt;") ;

	text = text.replace(/>/g, "&gt;") ;

	text = text.replace(/'/g, "&#146;") ;



	return text ;

}



FCKeditor.prototype.GetValue = function()

{

	return document.frames['frame_' + this.InstanceName].getValue() ;

}