* Prado 3.3.0

1 files changed, 98 insertions, 0 deletions

diff --git a/lib/prado/framework/Web/UI/ActiveControls/TActivePanel.php b/lib/prado/framework/Web/UI/ActiveControls/TActivePanel.php
new file mode 100644
index 0000000..5192b0d
--- /dev/null
+++ b/lib/prado/framework/Web/UI/ActiveControls/TActivePanel.php
@@ -0,0 +1,98 @@
+<?php
+/**
+ * TActivePanel file.
+ *
+ * @author Wei Zhuo <weizhuo[at]gamil[dot]com>
+ * @link https://github.com/pradosoft/prado
+ * @copyright Copyright &copy; 2005-2015 The PRADO Group
+ * @license https://github.com/pradosoft/prado/blob/master/COPYRIGHT
+ * @package System.Web.UI.ActiveControls
+ */
+
+/**
+ * Load active control adapter.
+ */
+Prado::using('System.Web.UI.ActiveControls.TActiveControlAdapter');
+
+/**
+ * TActivePanel is the TPanel active control counterpart.
+ *
+ * TActivePanel allows the client-side panel contents to be updated during a
+ * callback response using the {@link render} method.
+ *
+ * Example: Assume $param is an instance of TCallbackEventParameter attached to
+ * the OnCallback event of a TCallback with ID "callback1", and
+ * "panel1" is the ID of a TActivePanel.
+ * <code>
+ * function callback1_requested($sender, $param)
+ * {
+ * 	   $this->panel1->render($param->getNewWriter());
+ * }
+ * </code>
+ *
+ * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
+ * @package System.Web.UI.ActiveControls
+ * @since 3.1
+ */
+class TActivePanel extends TPanel implements IActiveControl
+{
+	/**
+	 * Creates a new callback control, sets the adapter to
+	 * TActiveControlAdapter. If you override this class, be sure to set the
+	 * adapter appropriately by, for example, by calling this constructor.
+	 */
+	public function __construct()
+	{
+		parent::__construct();
+		$this->setAdapter(new TActiveControlAdapter($this));
+	}
+
+	/**
+	 * @return TBaseActiveControl standard active control options.
+	 */
+	public function getActiveControl()
+	{
+		return $this->getAdapter()->getBaseActiveControl();
+	}
+
+	/**
+	 * Adds attribute id to the renderer.
+	 * @param THtmlWriter the writer used for the rendering purpose
+	 */
+	protected function addAttributesToRender($writer) {
+	    $writer->addAttribute('id',$this->getClientID());
+	    parent::addAttributesToRender($writer);
+	}
+
+	/**
+	 * Renders and replaces the panel's content on the client-side.
+	 * When render() is called before the OnPreRender event, such as when render()
+	 * is called during a callback event handler, the rendering
+	 * is defered until OnPreRender event is raised.
+	 * @param THtmlWriter html writer
+	 */
+	public function render($writer)
+	{
+		if($this->getHasPreRendered())
+		{
+			parent::render($writer);
+			if($this->getActiveControl()->canUpdateClientSide())
+				$this->getPage()->getCallbackClient()->replaceContent($this,$writer);
+		}
+		else
+		{
+			$this->getPage()->getAdapter()->registerControlToRender($this,$writer);
+			if ($this->getHasControls())
+			{
+				// If we update a TActivePanel on callback,
+				// We shouldn't update all childs, because the whole content will be replaced by
+				// the parent
+				foreach ($this->findControlsByType('IActiveControl', false) as $control)
+				{
+						$control->getActiveControl()->setEnableUpdate(false);
+				}
+			}
+		}
+	}
+}
+