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-rw-r--r--framework/Web/UI/ActiveControls/TActiveListBox.php92
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);
+ }
}
?> \ No newline at end of file