/**
* Disconnects the $slot from the $signal with identifier $identifier..
*
* If the priority is given it will try to disconnect a slot with that priority.
* If no such slot is found no slot will be disconnected.
*
* If no priority is given it will disconnect the matching slot with the lowest priority.
*
* @param string $identifier
* @param string $signal
* @param callback $slot
* @param int $priority
* @return void
*/
public function disconnect($identifier, $signal, $slot, $priority = null)
{
if (!isset($this->connections[$identifier]) || !isset($this->connections[$identifier][$signal])) {
return;
}
if ($priority === null) {
$allKeys = array_keys($this->connections[$identifier][$signal]);
rsort($allKeys, SORT_NUMERIC);
foreach ($allKeys as $priority) {
foreach ($this->connections[$identifier][$signal][$priority] as $key => $callback) {
if (ezcSignalCallbackComparer::compareCallbacks($slot, $callback)) {
unset($this->properties['connections'][$identifier][$signal][$priority][$key]);
// if the priority is empty now it should be unset
if (count($this->properties['connections'][$identifier][$signal][$priority]) == 0) {
unset($this->properties['connections'][$identifier][$signal][$priority]);
}
return;
}
}
}
} else {
if (isset($this->connections[$identifier][$signal][$priority])) {
foreach ($this->connections[$identifier][$signal][$priority] as $key => $callback) {
if (ezcSignalCallbackComparer::compareCallbacks($slot, $callback)) {
unset($this->properties['connections'][$identifier][$signal][$priority][$key]);
// if the priority is empty now it should be unset
if (count($this->properties['connections'][$identifier][$signal][$priority]) == 0) {
unset($this->properties['connections'][$identifier][$signal][$priority]);
}
return;
}
}
}
}
}
/**
* Disconnects the $slot from the $signal.
*
* If the priority is given it will try to disconnect a slot with that priority.
* If no such slot is found no slot will be disconnected.
*
* If no priority is given it will disconnect the matching slot with the lowest priority.
*
* @throws ezcSignalSlotException if the signals options has been set and $signal is not in the list of signals.
* @param string $signal
* @param callback $slot
* @param int $priority
* @return void
*/
public function disconnect($signal, $slot, $priority = null)
{
// if the the signals option is set we must check if the signal exists
if ($this->options->signals != null && !in_array($signal, $this->options->signals)) {
throw new ezcSignalSlotException("No such signal {$signal}");
}
if ($priority === null) {
$priorityKeys = array();
if (isset($this->priorityConnections[$signal])) {
$priorityKeys = array_keys($this->priorityConnections[$signal]);
}
$allPriorities = array_unique(array_merge($priorityKeys, array(1000)));
rsort($allPriorities, SORT_NUMERIC);
foreach ($allPriorities as $priority) {
if ($priority === 1000) {
if (isset($this->defaultConnections[$signal])) {
foreach ($this->defaultConnections[$signal] as $key => $callback) {
if (ezcSignalCallbackComparer::compareCallbacks($slot, $callback)) {
unset($this->defaultConnections[$signal][$key]);
return;
}
}
}
} else {
if (isset($this->priorityConnections[$signal]) && isset($this->priorityConnections[$signal][$priority])) {
foreach ($this->priorityConnections[$signal][$priority] as $key => $callback) {
if (ezcSignalCallbackComparer::compareCallbacks($slot, $callback)) {
unset($this->priorityConnections[$signal][$priority][$key]);
// if the priority is empty now it should be unset
if (count($this->priorityConnections[$signal][$priority]) == 0) {
unset($this->priorityConnections[$signal][$priority]);
}
return;
}
}
}
}
}
} else {
if ($priority === 1000) {
if (isset($this->defaultConnections[$signal])) {
foreach ($this->defaultConnections[$signal] as $key => $callback) {
if (ezcSignalCallbackComparer::compareCallbacks($slot, $callback)) {
unset($this->defaultConnections[$signal][$key]);
return;
}
}
}
} else {
if (isset($this->priorityConnections[$signal]) && isset($this->priorityConnections[$signal][$priority])) {
foreach ($this->priorityConnections[$signal][$priority] as $key => $callback) {
if (ezcSignalCallbackComparer::compareCallbacks($slot, $callback)) {
unset($this->priorityConnections[$signal][$priority][$key]);
// if the priority is empty now it should be unset
if (count($this->priorityConnections[$signal][$priority]) == 0) {
unset($this->priorityConnections[$signal][$priority]);
}
return;
}
}
}
}
}
}
