__invoke(mixed $context) > apply $context and returns $this method chain
*
* ->Iterator($type = 'Array') >not chainable returns Iterator
* ->iterate(Array,callback,&result,&resultLog)
*
* ->on($event, $listener, $obj = null)
* ->trigger($event, &$data = array() )
* ->addEventListener >alias for on
* ->dispatchEvent >alias for trigger
* ->removeEventListener($event, $listener)
*
* ->context(mixed $context = undefined) >if getter not chainable returns context or $this
* ->walk($Array) >IteratorGenerator
*
* Example
* frdl\Flow\TestElement in __vendor__/frdl/Flow/Flow/TestElement.php
* ');
* $content = highlight_file($file, true);
*
*
* $out = '
* ';
*
*
*
* $out.= "";
*
* return $out;
* }
*
* log('Creating inherited Element class and Testclasses'.lnbr().'Bind Events on Testclasses listeners'.lnbr().'Bind a TestDebugger to the testEvent and trigegr it');
* class TestElement extends Element{
* protected $reflection;
* protected $initTime=null;
* public function __construct(){
* parent::create( func_get_args());
* $this->refelection = ReflectionClass::export('Apple', true);
* }
* function __destuct(){
* register_shutdown_function(function ($className) {
* log('shutdown_function.invocation by destructor of '.$className);
* }, get_class($this));
* }
*
* public function test($event, &$target, &$eventData){
* log('Triggering listener of "'.$event.'" Event in listener '.__METHOD__);
* log(
* ''
* .'Eventdata: '.lnbr()
* .print_r($eventData,true)
* .lnbr()
* .__CLASS__.':'
* .lnbr()
* .$this->refelection.lnbr()
* .'
'.lnbr()
* .highlight_num(__FILE__).lnbr()
* );
* }
* }
* class MyElementSubClass extends Element{
* protected function __construct(){
* $args = func_get_args();
* parent::__construct($args);
* $this->name=$args[0];
* $this->data=$args[1];
* log('Creating Instance of '.__CLASS__.' inherrited from '.get_class(parent) );
* }
* public static function create($name, $data){
* return parent::create($name, $data);
* }
* }
*
* function myEventListenerGlobalFunction($event, &$target, &$data) {
* // return false; // cancel/ stopPropagation
* log("Hello from triggered function myEventListenerGlobalFunction() on the $event Event");
* }
*
* class Foo {
* public function hello($event, &$target, &$eventData) {
* log("Hello from triggered ".__CLASS__."($event, ".print_r($target,true).", ".print_r($eventData,true).")");
* }
* }
*
* class Bar {
* public static function listen() {
* log("Hello from Bar::hello()");
* }
* }
* $foo = new Foo();
* $Context = new \stdclass;
*
* $myElement = MyElementSubClass::create($Context)
* // bind a global function to the 'test' event
* ->on("test", "myEventListenerGlobalFunction")
*
* // bind an anonymous function
* ->on("test", function($event, &$target, &$eventData) {
* log("Hello from anonymous function triggered by Event:".$event);
* })
*
*
* ->on("test", "hello", $foo) // bind an class function on an instance
*
*
* ->on("test", "Bar::listen") // bind a static class function
*
*
*
* ;
* $testData=array(
* 'data' => array('someTestData', 1, 2, 3, 5, 8, 13, 21, new \stdclass),
* 'Author' => '(c) Till Wehowski, http://frdl.webfan.de',
* '__FILE__' => __FILE__,
* );
* $myElement()
* ->on("test", "test", new TestElement)
*
* // dispatch the "test event"
* ->trigger("test", $testData)
*
* ;
*/
abstract class Element {
protected static $tagName;
protected $name; //id/selector
protected $_context = null;
protected $events = array();
function __construct(){
$this->_context=func_get_args();
self::$tagName = get_class($this);
}
public static function create(){
$_call='\\'.get_class(self).'::__construct';
return call_user_func_array($_call, func_get_args());
}
function __destruct(){
}
final public function __invoke(/* mixed */)
{
$this->_context=func_get_args();
return $this;
}
final public function context(){
$args=func_get_args();
if(0===count($args)){
return $this->_context;
}
return $this($args);
}
/*
Iterator "Trait"
*/
public function Iterator($type = 'Array', $Traversable){
if('Array'===$type)
return $this->_ArraIterator($Traversable);
return function($Traversable){
return $Traversable;
};
}
public function iterate(Array $Collection, $callback/*
function($item) use(&$result){
// ... process item
return $result;
}
*/, &$result=null, &$resultLog=null){
$resultLog=array();
foreach($this->Iterator('Array', $Collection) as $item) {
$resultLog[] = call_user_func_array($callback, array($item)) ;
}
return $this;
}
/*
Event "Trait"
*/
public function removeEventListener($event, $listener){
if (!isset($this->events[$event])) return $this;
$indexOf = 0;
foreach ($this->Iterator('Array', $this->events[$event]) as $EventListener) {
// if($EventListener === $listener) {
if(spl_object_id((object)$EventListener) === spl_object_id((object)$listener)) {
array_splice($this->events[$event], $indexOf, 1);
$indexOf--;
}
$indexOf++;
}
return $this;
}
public function removeListener(){
return call_user_func_array(array($this,'removeEventListener'), func_get_args());
}
public function off(){
return call_user_func_array(array($this,'removeEventListener'), func_get_args());
}
public function addEventListener(){
return call_user_func_array(array($this,'on'), func_get_args());
}
public function on($event, $callback, $obj = null) {
if (!isset($this->events[$event])) {
$this->events[$event] = array();
}
$this->events[$event][] = ($obj === null) ? $callback : array($obj, $callback);
return $this;
}
public function once($event, $callback, $obj = null) {
$THAT =$this;
$obj = $obj;
$callback= $callback;
$listener = (function() use($event, &$callback, &$THAT, &$obj, &$listener){
$THAT->removeEventListener($event, $listener);
call_user_func_array(($obj === null) ? $callback : array($obj, $callback), func_get_args());
});
$this->on($event, $listener);
return $this;
}
/*
EventEmitter.prototype.once = function (event, listener)
{
this.on(event, function g ()
{
this.removeListener(event, g);
listener.apply(this, arguments);
});
return this;
};
*/
public function emit(){
return call_user_func_array(array($this,'trigger'), func_get_args());
}
public function dispatchEvent(){
return call_user_func_array(array($this,'trigger'), func_get_args());
}
public function trigger($event, $data = array()) {
if (!$this->events[$event]) return $this;
$indexOf=0;
foreach ($this->Iterator('Array', $this->events[$event]) as $callback) {
$payload = array();
$ev = &$event;
$target = &$this;
$evData = &$data;
array_push($payload, $event);
array_push($payload, $target);
array_push($payload, $data);
if(!is_callable($callback)){
trigger_error('Cannot trigger Event '.$event.' on Listener #'.$indexOf, E_USER_WARNING);
continue;
}
// if(frdl\run($callback, $payload) === false) break;
if(false === call_user_func_array($callback, $payload))break;
$indexOf++;
}
return $this;
}
/*
private...
*/
public function walk($list){
foreach ($list as $value) {
yield ($value);
}
}
public function _ArraIterator($arr){
if(true===version_compare(PHP_VERSION, '5.5', '>=')) {
$iterator=new LazyIterator($this->walk($arr));
return $iterator->generator();
}else{
/*
return function(Array $arr){
return $arr;
};
*/
return new arrayIterator($arr);
}
}
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NTQ2MDQyMzA3MzAzNjg5MiAzOTU0NDg3NDYzODc3NTc5IDk3MDA1OTQ5MDU3NDY0NQ==