diff options
Diffstat (limited to 'framework/Web/UI/ActiveControls/TActiveListBox.php')
-rw-r--r-- | framework/Web/UI/ActiveControls/TActiveListBox.php | 92 |
1 files changed, 91 insertions, 1 deletions
diff --git a/framework/Web/UI/ActiveControls/TActiveListBox.php b/framework/Web/UI/ActiveControls/TActiveListBox.php index 37db5e27..77ca615a 100644 --- a/framework/Web/UI/ActiveControls/TActiveListBox.php +++ b/framework/Web/UI/ActiveControls/TActiveListBox.php @@ -20,7 +20,97 @@ */ class TActiveListBox extends TListBox implements IActiveControl, ICallbackEventHandler { - + /** + * Creates a new callback control, sets the adapter to + * TActiveListControlAdapter. If you override this class, be sure to set the + * adapter appropriately by, for example, by calling this constructor. + */ + public function __construct() + { + parent::__construct(); + $this->setAdapter(new TActiveListControlAdapter($this)); + $this->setAutoPostBack(true); + } + + /** + * @return TBaseActiveCallbackControl standard callback control options. + */ + public function getActiveControl() + { + return $this->getAdapter()->getBaseActiveControl(); + } + + /** + * Javascript client class for this control. + * This method overrides the parent implementation. + * @return null no javascript class name. + */ + protected function getClientClassName() + { + return 'Prado.WebUI.TActiveListBox'; + } + + /** + * Loads user input data. Disables the client-side update during loading + * and restore the EnableUpdate of ActiveControl after loading. + * @param string the key that can be used to retrieve data from the input data collection + * @param array the input data collection + * @return boolean whether the data of the component has been changed + */ + public function loadPostData($key,$values) + { + $enabled = $this->getActiveControl()->getEnableUpdate(); + $this->getActiveControl()->setEnableUpdate(false); + $result = parent::loadPostData($key, $values); + $this->getActiveControl()->setEnableUpdate($enabled); + return $result; + } + + /** + * Sets the selection mode of the list control (Single, Multiple) + * on the client-side if the {@link setEnableUpdate EnableUpdate} + * property is set to true. + * @param string the selection mode + */ + public function setSelectionMode($value) + { + parent::setSelectionMode($value); + $multiple = $this->getIsMultiSelect(); + $id = $this->getUniqueID(); $multi_id = $id.'[]'; + if($multiple) + $this->getPage()->registerPostDataLoader($multi_id); + if($this->getActiveControl()->canUpdateClientSide()) + { + $client = $this->getPage()->getCallbackClient(); + $client->setAttribute($this, 'multiple', $multiple ? 'multiple' : false); + $client->setAttribute($this, 'name', $multiple ? $multi_id : $id); + if($multiple) + $client->addPostDataLoader($multi_id); + } + } + + /** + * Raises the callback event. This method is required by {@link + * ICallbackEventHandler} interface. + * This method is mainly used by framework and control developers. + * @param TCallbackEventParameter the event parameter + */ + public function raiseCallbackEvent($param) + { + $this->onCallback($param); + } + + /** + * This method is invoked when a callback is requested. The method raises + * 'OnCallback' event to fire up the event handlers. If you override this + * method, be sure to call the parent implementation so that the event + * handler can be invoked. + * @param TCallbackEventParameter event parameter to be passed to the event handlers + */ + public function onCallback($param) + { + $this->raiseEvent('OnCallback', $this, $param); + } } ?>
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