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Adding callback support to elements. You can use the 3rd parameter to control whether or not before/afterRender callbacks should be fired for a particular element.

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This commit is contained in:
mark_story 2010-11-04 23:32:18 -04:00
parent 1b19ad48b4
commit 32587c154c
1 changed files with 9 additions and 1 deletions
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10
cake/libs/view/view.php
View file

@ -309,9 +309,11 @@ class View extends Object {
* @param string $name Name of template file in the/app/views/elements/ folder * @param string $name Name of template file in the/app/views/elements/ folder
* @param array $params Array of data to be made available to the for rendered * @param array $params Array of data to be made available to the for rendered
* view (i.e. the Element) * view (i.e. the Element)
* @param boolean $callbacks Set to true to fire beforeRender and afterRender helper callbacks for this element.
* Defaults to false.
* @return string Rendered Element * @return string Rendered Element
*/ */
public function element($name, $params = array(), $loadHelpers = false) { public function element($name, $params = array(), $callbacks = false) {
$file = $plugin = $key = null; $file = $plugin = $key = null;
if (isset($params['plugin'])) { if (isset($params['plugin'])) {
@ -355,7 +357,13 @@ class View extends Object {
if (!$this->_helpersLoaded) { if (!$this->_helpersLoaded) {
$this->loadHelpers(); $this->loadHelpers();
} }
if ($callbacks) {
$this->Helpers->trigger('beforeRender', array($file));
}
$element = $this->_render($file, array_merge($this->viewVars, $params), $loadHelpers); $element = $this->_render($file, array_merge($this->viewVars, $params), $loadHelpers);
if ($callbacks) {
$this->Helpers->trigger('afterRender', array($file, $element));
}
if (isset($params['cache']) && isset($cacheFile) && isset($expires)) { if (isset($params['cache']) && isset($cacheFile) && isset($expires)) {
cache('views' . DS . $cacheFile, $element, $expires); cache('views' . DS . $cacheFile, $element, $expires);
} }