class FCKeditor
{
var $InstanceName ;
var $BasePath ;
var $Width ;
var $Height ;
var $ToolbarSet ;
var $Value ;
var $Config ;

function FCKeditor( $instanceName )
{
$this->InstanceName = $instanceName ;
$this->BasePath = '/FCKeditor/' ;
$this->Width = '100%' ;
$this->Height = '200' ;
$this->ToolbarSet = 'Default' ;
$this->Value = '' ;

$this->Config = array() ;
}

function Create()
{
echo $this->CreateHtml() ;
}

function CreateHtml()
{
$HtmlValue = htmlspecialchars( $this->Value ) ;

$Html = '<div>' ;

if ( $this->IsCompatible() )
{
$Link = "{$this->BasePath}editor/fckeditor.html?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}\">" ;

// Render the configurations hidden field.
$Html .= "<input type=\"hidden\" id=\"{$this->InstanceName}___Config\" value=\"" . $this->GetConfigFieldString() . "\">" ;

// 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}\" wrap=\"virtual\">{$HtmlValue}</textarea>" ;
}

$Html .= '</div>' ;

return $Html ;
}

function IsCompatible()
{
$sAgent = $_SERVER['HTTP_USER_AGENT'] ;

if ( strpos($sAgent, 'MSIE') !== false && strpos($sAgent, 'mac') === false && strpos($sAgent, 'Opera') === false )
{
$iVersion = (int)substr($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 .= htmlspecialchars( $sKey ) . '=true' ;
else if ( $sValue === false )
$sParams .= htmlspecialchars( $sKey ) . '=false' ;
else
$sParams .= htmlspecialchars( $sKey ) . '=' . htmlspecialchars( $sValue ) ;
}

return $sParams ;
}
}

?>