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<?php
if ( !class_exists('swfobject') ) :
/**
 * swfobject - PHP class for creating dynamic content of SWFObject V2.1
 * 
 * @author Alex Rabe
 * @package NextGEN Gallery
 * @version 0.6
 * @copyright GNU General Public License Version 2
 * @access public
 * @example http://code.google.com/p/swfobject/
 */
class swfobject {
	/**
     * id of the HTML element
     *
     * @var string
     */
    var $id;
	/**
     * specifies the width of your SWF
     *
     * @var string
     * @private
     */
    var $width;
	/**
     * specifies the height of your SWF
     *
     * @var string
     * @privat
     */
    var $height;
	/**
     * the javascript output
     *
     * @var string
     */
    var $js;
	/**
     * the replacemnt message
     *
     * @var string
     */
    var $message = 'The <a href="http://www.macromedia.com/go/getflashplayer">Flash Player</a> and <a href="http://www.mozilla.com/firefox/">a browser with Javascript support</a> are needed..';			
	/**
     * the classname for the div element
     *
     * @var string
     */
    var $classname = 'swfobject';			
	/**
     * array of flashvars
     *
     * @var array
     */
    var $flashvars;
    /**
     * array of nested object element params
     *
     * @var array
     */
    var $params;
    /**
     * array of object's attributest
     *
     * @var array
     */
    var $attributes;

	/**
	 * swfobject::swfobject()
	 * 
	 * @param string $swfUrl (required) specifies the URL of your SWF
	 * @param string $id (required) specifies the id of the HTML element (containing your alternative content) you would like to have replaced by your Flash content
	 * @param string $width (required) specifies the width of your SWF
	 * @param string $height (required) specifies the height of your SWF
	 * @param string $version (required) specifies the Flash player version your SWF is published for (format is: "major.minor.release")
	 * @param string $expressInstallSwfurl (optional) specifies the URL of your express install SWF and activates Adobe express install
	 * @param array $flashvars (optional) specifies your flashvars with name:value pairs
	 * @param array $params (optional) specifies your nested object element params with name:value pair
	 * @param array $attributes (optional) specifies your object's attributes with name:value pairs
	 * @return string the content
	 */
	function swfobject( $swfUrl, $id, $width, $height, $version, $expressInstallSwfurl = false, $flashvars = false, $params = false, $attributes = false ) {
	
		global $swfCounter;
		
		// look for a other swfobject instance
		if ( !isset($swfCounter) )
			$swfCounter = 1;
		
		$this->id = $id . '_' . $swfCounter;
		$this->width = $width;
		$this->height = $height;		
		
		$this->flashvars  = ( is_array($flashvars) )  ? $flashvars : array();
		$this->params     = ( is_array($params) )     ? $params : array();
		$this->attributes = ( is_array($attributes) ) ? $attributes : array();

		$this->embedSWF = 'swfobject.embedSWF("'. $swfUrl .'", "'. $this->id .'", "'. $width .'", "'. $height .'", "'. $version .'", '. $expressInstallSwfurl .', this.flashvars, this.params , this.attr );' . "\n";
	}
	
	function output () {
		
		global $swfCounter;
		
		// count up if we have more than one swfobject
		$swfCounter++;
		
		$out  = "\n" . '<div class="'. $this->classname .'" id="'. $this->id  .'" style="width:'.$this->width .'px; height:'. $this->height .'px;">';
		$out .= "\n" . $this->message;
		$out .= "\n" . '</div>';
		
		return $out;
	}
	
	function javascript () {

		//Build javascript
		$this->js  = "\nvar " . $this->id  . " = {\n";
		$this->js .= $this->add_js_parameters('params', $this->params) . ",\n";
		$this->js .= $this->add_js_parameters('flashvars', $this->flashvars) . ",\n";
		$this->js .= $this->add_js_parameters('attr', $this->attributes) . ",\n";
		$this->js .= "\tstart : function() {" . "\n\t\t";
		$this->js .= $this->embedSWF;
		$this->js .= "\t}\n}\n";
		$this->js .= $this->id  . '.start();';
	
		return $this->js;
	}
	
	function add_flashvars ( $key, $value, $default = '', $type = '', $prefix = '' ) {

		if ( is_bool( $value ) )
			$value = ( $value ) ? 'true' : 'false';
		elseif ( $type == 'bool' )
			$value = ( $value == '1' ) ? 'true' : 'false';
		
		// do not add the variable if we hit the default setting 	
		if ( $value == $default )	
			return;
			
		$this->flashvars[$key] = $prefix . $value;
		return;
	}

	function add_params ( $key, $value, $default = '', $type = '', $prefix = '' ) {

		if ( is_bool( $value ) )
			$value = ( $value ) ? 'true' : 'false';
		elseif ( $type == 'bool' )
			$value = ( $value == '1' ) ? 'true' : 'false';
		
		// do not add the variable if we hit the default setting 	
		if ( $value == $default )	
			return;
			
		$this->params[$key] = $prefix . $value;
		return;
	}

	function add_attributes ( $key, $value, $default = '', $type = '', $prefix = '' ) {

		if ( is_bool( $value ) )
			$value = ( $value ) ? 'true' : 'false';
		elseif ( $type == 'bool' )
			$value = ( $value == '1' ) ? 'true' : 'false';
		
		// do not add the variable if we hit the default setting 	
		if ( $value == $default )	
			return;
		
		$this->attributes[$key] = $prefix . $value;
		return;
	}
	
	function add_js_parameters( $name, $params ) {
		$list = '';
		if ( is_array($params) ) {
			foreach ($params as $key => $value) {
				if  ( !empty($list) )
					$list .= ",";
				if (false === strrpos($key, '.') )		
					$list .= "\n\t\t" . $key . ' : ' . '"' . $value .'"';
				else
					$list .= "\n\t\t'" . $key . '\' : ' . '"' . $value .'"';	
			}
		}
		$js = "\t" . $name . ' : {' . $list . '}';		
		return $js;		
	}
	
}
endif;

?>