File Source for fckeditor.php

<?php
/*
* FCKeditor - The text editor for internet
* Copyright (C) 2003-2005 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: fckeditor.php
* This is the integration file for PHP.
*
* It defines the FCKeditor class that can be used to create editor
* instances in PHP pages on server side.
*
* File Authors:
* Frederico Caldeira Knabben (fredck@fckeditor.net)
*/
class FCKeditor
{
var $InstanceName ;
var $BasePath ;
var $Width ;
var $Height ;
var $ToolbarSet ;
var $Value ;
var $Config;
// PHP 5 Constructor (by Marcus Bointon <coolbru@users.sourceforge.net>)
function __construct( $instanceName )
{
$this->InstanceName = $instanceName ;
$this->BasePath = '/FCKeditor/' ;
$this->Width = '100%' ;
$this->Height = '200' ;
$this->ToolbarSet = 'Default' ;
$this->Value = '' ;
$this->Config = array() ;
}
// PHP 4 Contructor
function FCKeditor( $instanceName )
{
$this->__construct( $instanceName ) ;
}
function Create()
{
echo $this->CreateHtml() ;
}
function CreateHtml()
{
$HtmlValue = htmlspecialchars( $this->Value ) ;
$Html = '<div>' ;
if ( $this->IsCompatible() )
{
if ( isset( $_GET['fcksource'] ) && $_GET['fcksource'] == "true" )
$File = 'fckeditor.original.html' ;
else
$File = 'fckeditor.html' ;
$Link = "{$this->BasePath}editor/{$File}?InstanceName={$this->InstanceName}" ;
if ( $this->ToolbarSet != '' )
$Link .= "&Toolbar={$this->ToolbarSet}" ;
// Render the linked hidden field.
$Html .= "<input type=\"hidden\" id=\"{$this->InstanceName}\" name=\"{$this->InstanceName}\" value=\"{$HtmlValue}\" style=\"display:none\" />" ;
// Render the configurations hidden field.
$Html .= "<input type=\"hidden\" id=\"{$this->InstanceName}___Config\" value=\"" . $this->GetConfigFieldString() . "\" style=\"display:none\" />" ;
// Render the editor IFRAME.
$Html .= "<iframe id=\"{$this->InstanceName}___Frame\" src=\"{$Link}\" width=\"{$this->Width}\" height=\"{$this->Height}\" frameborder=\"no\" scrolling=\"no\"></iframe>" ;
}
else
{
if ( strpos( $this->Width, '%' ) === false )
$WidthCSS = $this->Width . 'px' ;
else
$WidthCSS = $this->Width ;
if ( strpos( $this->Height, '%' ) === false )
$HeightCSS = $this->Height . 'px' ;
else
$HeightCSS = $this->Height ;
$Html .= "<textarea name=\"{$this->InstanceName}\" rows=\"4\" cols=\"40\" style=\"width: {$WidthCSS}; height: {$HeightCSS}\">{$HtmlValue}</textarea>" ;
}
$Html .= '</div>' ;
return $Html ;
}
function IsCompatible()
{
global $HTTP_USER_AGENT ;
if ( isset( $HTTP_USER_AGENT ) )
$sAgent = $HTTP_USER_AGENT ;
else
$sAgent = $_SERVER['HTTP_USER_AGENT'] ;
if ( strpos($sAgent, 'MSIE') !== false && strpos($sAgent, 'mac') === false && strpos($sAgent, 'Opera') === false )
{
$iVersion = (float)substr($sAgent, strpos($sAgent, 'MSIE') + 5, 3) ;
return ($iVersion >= 5.5) ;
}
else if ( strpos($sAgent, 'Gecko/') !== false )
{
$iVersion = (int)substr($sAgent, strpos($sAgent, 'Gecko/') + 6, 8) ;
return ($iVersion >= 20030210) ;
}
else
return false ;
}
function GetConfigFieldString()
{
$sParams = '' ;
$bFirst = true ;
foreach ( $this->Config as $sKey => $sValue )
{
if ( $bFirst == false )
$sParams .= '&' ;
else
$bFirst = false ;
if ( $sValue === true )
$sParams .= $this->EncodeConfig( $sKey ) . '=true' ;
else if ( $sValue === false )
$sParams .= $this->EncodeConfig( $sKey ) . '=false' ;
else
$sParams .= $this->EncodeConfig( $sKey ) . '=' . $this->EncodeConfig( $sValue ) ;
}
return $sParams ;
}
function EncodeConfig( $valueToEncode )
{
$chars = array(
'&' => '%26',
'=' => '%3D',
'"' => '%22' ) ;
return strtr( $valueToEncode, $chars ) ;
}
}

Source for file fckeditor.php