<?php


	/**
	 * Response-class to be used from serverside-function, add static behaviors and
	 * data to set/change and return the behavior with getString()
	 * @since 0.9.2 new static function isCallback
	 */
	class etamineAjaxBehavior {
		private $mUtf8 = false;
		
		function __construct($UTF8 = false) {
			$this->mUtf8 = $UTF8;
		}
	
		private $behavior = "";
	
	/**
	 * Adds behavior to return to callback javascript
	 * 
	 * @param Tab-behavior $behavior as string from Tab::getBehavior()
	*/
		function add($behavior){
			if($this->behavior != "") {
				$this->behavior .= "~";
			}
	
			$first = true;
			foreach($behavior as $val) {
				if(!$first) {
					$this->behavior .= "|";
				} else {
					$first = false;
				}
				
				$val = str_replace("|", "!!pipe!!", $val);
				$val = str_replace("~", "!!tilde!!", $val);
				if(!$this->mUtf8) {
					$val = utf8_encode($val);
				}
				$this->behavior .= $val;
			}
		}
	
		/**
		 * Checks if it's a AJAX callback, this allows callback functions
		 * to be used both with TinyAjax and regular serverside code.
		 * If it's a callback return behavior, otherwise return result
		 *
		 * @return boolean true if it's a AJAX callback, false if not
		 */
			public static final function isCallback() {
				return (isset($_GET['rs']) || isset($_POST['rs']));
			}
		
		/**
		 * Returns all behaviors to execute as a string to javascript callback
		 *
		 * @return string Behaviors
		 */
			function getString() { return $this->behavior; }
		}
	
	
	/**
	 *	Abstract TinyAjaxBehavior-class which defines behaviors
	 *  Subclasses need to implement getScript and static getBehavior
	 * @since 2006-01-18 changed $mDrawn to boolean from array, array not needed
	 * @since 2006-01-18 getScript protected and static getBehavior implemented (can't be abstract static :-( )
	 */
		abstract class Tab{
			private $mDrawn = false;
			abstract protected function getScript();
			
			public static function getBehavior() { 
				return ""; 
			}
		
			public final function getFunctionName(){
				return get_class($this);
			}
			
			public function getJavaScript() {
				return $this->getScript();
			}
		}
		
		class TabAlert extends Tab {
			protected function getScript(){
				return "function " . get_class() . "(data){
					alert(data[1]);
				}";
			}
	
			public static function getBehavior($data) {
				return array(get_class(), $data);
			}
		}
		
		class TabSetValue extends Tab {
			
			protected function getScript(){
				$html = "function " . get_class($this) . "(data){";
				$html .= " document.getElementById(data[1]).value = decodeSpecialChars(data[2]);\n}\n";
				return $html;
			}
	
			public static function getBehavior($form_id, $data) {
				return array(get_class(), $form_id, $data);
			}
		}
	
		class TabInnerHtml extends Tab {
			protected function getScript(){
				return "function " . get_class($this) . "(data){
					document.getElementById(data[1]).innerHTML = decodeSpecialChars(data[2]);\n}\n";
			}
	
			public static function getBehavior($form_id, $data) {
				return array(get_class() , $form_id,  $data);
			}
		}
	
		class TabInnerHtmlPrepend extends Tab {
			protected function getScript(){
				return "function " . get_class($this) . "(data){
					document.getElementById(data[1]).innerHTML = decodeSpecialChars(data[2]) + document.getElementById(data[1]).innerHTML;\n}\n";
			}
		
			public static function getBehavior($form_id, $data) {
				return array(get_class(), $form_id, $data);
			}
		}
		
		class TabInnerHtmlAppend extends Tab{
			protected function getScript(){
				return "function " . get_class($this) . "(data){
					document.getElementById(data[1]).innerHTML = document.getElementById(data[1]).innerHTML + decodeSpecialChars(data[2]);\n}\n";
			}
		
			public static function getBehavior($form_id, $data) {
				return array(get_class(), $form_id, $data);
			}
		}
	
		class TabAddOption extends Tab {
			protected function getScript(){
				return "function " . get_class($this) . "(data){
					var sel = document.getElementById(data[1]);
					sel.options[sel.options.length] = new Option(decodeSpecialChars(data[3]), decodeSpecialChars(data[2]), true, false);
					if(data[4] != 0)
					sel.selectedIndex = sel.options.length-1;\n}\n";
			}
	
			public static function getBehavior($element_id, $id, $value, $select_it = 0) {
				$select_it ? 1 : 0;
				return array(get_class(), $element_id, $id, $value, $select_it);
			}	
		}
		
		class TabSelectOption extends Tab {
			protected function getScript(){
				return "function " . get_class($this) . "(data){
					var sel = document.getElementById(data[1]);
					alert(data[4]);
					sel.options[sel.options.length] = new Option(decodeSpecialChars(data[3]), decodeSpecialChars(data[2]), true, false);
					if(data[4] != 0)
					sel.selectedIndex = sel.options.length-1;\n}\n";
			}
	
			public static function getBehavior($element_id, $id, $value, $select_it = 0) {
				$select_it ? 1 : 0;
				return array(get_class(), $element_id, $id, $value, $select_it);
			}	
		}
	
		class TabClearOptions extends Tab {
			protected function getScript(){
				return "function " . get_class($this) . "(data){
					var sel = document.getElementById(data[1]);
					sel.options.length = 0;\n}\n";
			}
	
			public static function getBehavior($element_id) {
				return array(get_class(), $element_id);
			}
		}
	
		class TabRemoveSelectedOption extends Tab {
			protected function getScript(){
				return "function " . get_class($this) . "(data){
					var sel = document.getElementById(data[1]);
					sel.options[sel.options.selectedIndex] = null;
					}\n";
			}
	
			public static function getBehavior($element_id) {
				return array(get_class(), $element_id);
			}
		}

		class TabSetWindowFocus extends Tab {
			protected function getScript(){
				return "function " . get_class($this) . "(data){\n\twindow.focus();\n}\n";
			}
	
			public static function getBehavior() {
				return array(get_class());
			}
		}
	
		class TabSetBackgroundColor extends Tab {
			protected function getScript(){
				return "function " . get_class($this) . "(data){
					var o = document.getElementById(data[1]);
					if(o){
						var col = data[2];
						o.style.backgroundColor = col;
					}\n}\n";
			}
	
			public static function getBehavior($element_id, $color) {
				return array(get_class(), $element_id, $color);
			}
		}
	
		class TabRedirect extends Tab {
			protected function getScript(){
				
				return "function " . get_class($this) . "(data){ " 
						. "\n\t document.location = data[1]; \n\t }\n";
			}
				
			public static function getBehavior($location) {
				return array(get_class(), $location);
			}
		}
		
		class TabInnerHtmlRedirect extends Tab {
			protected function getScript(){
				return "function " . get_class($this) . "(data){ " 
						. "\n\t document.location = data[1]; \n\t }\n";
			}
				
			public static function getBehavior($location) {
				return array(get_class(), $location);
			}
		}
		
		class TabEval extends Tab {
			protected function getScript(){
				return "function " . get_class($this) . "(data){ 
				 //alert(data[1]);
				 eval(data[1]); \n\t }\n";
			}
				
			public static function getBehavior($scriptName) {
				return array(get_class(), $scriptName);
			}
		}
?>