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improved check for valid callback method

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decreased amount of duplicated code
This commit is contained in:
Steffen Schröder 2014-05-13 00:22:47 +02:00
parent 02ad48951b
commit 09f61f2ad4
1 changed files with 47 additions and 25 deletions
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72
application/core/Commands/CommandManager.php
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@ -57,25 +57,20 @@ class CommandManager implements CallbackListener {
}
return $success;
}
$command = strtolower($commandName);
if (!method_exists($listener, $method)) {
trigger_error("Given listener can't handle command '{$command}' (no method '{$method}')!");
$command = strtolower($commandName);
$listenerCallback = array($listener, $method);
$listenerClass = get_class($listener);
if (!is_callable($listenerCallback)) {
trigger_error("Given Listener '{$listenerClass}' can't handle Command '{$command}'! No callable Method '{$method}'!");
return false;
}
if ($adminCommand) {
if (!array_key_exists($command, $this->adminCommandListeners) || !is_array($this->adminCommandListeners[$command])) {
// Init admin listeners array
$this->adminCommandListeners[$command] = array();
}
// Register admin command listener
array_push($this->adminCommandListeners[$command], array($listener, $method));
$this->addListenerCallback($this->adminCommandListeners, $listenerCallback, $command);
} else {
if (!array_key_exists($command, $this->commandListeners) || !is_array($this->commandListeners[$command])) {
// Init listeners array
$this->commandListeners[$command] = array();
}
// Register command listener
array_push($this->commandListeners[$command], array($listener, $method));
$this->addListenerCallback($this->commandListeners, $listenerCallback, $command);
}
//TODO description
@ -84,6 +79,23 @@ class CommandManager implements CallbackListener {
return true;
}
/**
* Add a Listener Callback to the given Listener Array
*
* @param array $listenerArray
* @param array $listenerCallback
* @param string $command
*/
private function addListenerCallback(array &$listenerArray, array $listenerCallback, $command) {
if (!array_key_exists($command, $listenerArray) || !is_array($listenerArray[$command])) {
// Init listeners array
$listenerArray[$command] = array();
}
// Register command listener
array_push($listenerArray[$command], $listenerCallback);
}
/**
* Remove a Command Listener
*
@ -92,15 +104,25 @@ class CommandManager implements CallbackListener {
*/
public function unregisterCommandListener(CommandListener $listener) {
$removed = false;
foreach ($this->commandListeners as &$listeners) {
foreach ($listeners as $key => &$listenerCallback) {
if ($listenerCallback[0] == $listener) {
unset($listeners[$key]);
$removed = true;
}
}
if ($this->removeCommandListener($this->commandListeners, $listener)) {
$removed = true;
}
foreach ($this->adminCommandListeners as &$listeners) {
if ($this->removeCommandListener($this->adminCommandListeners, $listener)) {
$removed = true;
}
return $removed;
}
/**
* Remove the Command Listener from the given Listeners Array
*
* @param array $listenerArray
* @param CommandListener $listener
* @return bool
*/
private function removeCommandListener(array &$listenerArray, CommandListener $listener) {
$removed = false;
foreach ($listenerArray as &$listeners) {
foreach ($listeners as $key => &$listenerCallback) {
if ($listenerCallback[0] == $listener) {
unset($listeners[$key]);
@ -167,8 +189,8 @@ class CommandManager implements CallbackListener {
}
// Inform command listeners
foreach ($commandListeners[$command] as $listener) {
call_user_func(array($listener[0], $listener[1]), $callback, $player);
foreach ($commandListeners[$command] as $listenerCallback) {
call_user_func($listenerCallback, $callback, $player);
}
}
}