1 files changed, 95 insertions, 0 deletions
diff --git a/framework/Web/UI/TControlCollection.php b/framework/Web/UI/TControlCollection.php
new file mode 100644
index 00000000..9fc3cfad
--- /dev/null
+++ b/framework/Web/UI/TControlCollection.php
@@ -0,0 +1,95 @@
+<?php
+/**
+ * TControl, TControlCollection, TEventParameter and INamingContainer class file
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @link http://www.pradosoft.com/
+ * @copyright Copyright &copy; 2005-2014 PradoSoft
+ * @license http://www.pradosoft.com/license/
+ * @package System.Web.UI
+ */
+
+
+/**
+ * TControlCollection class
+ *
+ * TControlCollection implements a collection that enables
+ * controls to maintain a list of their child controls.
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @package System.Web.UI
+ * @since 3.0
+ */
+class TControlCollection extends TList
+{
+	/**
+	 * the control that owns this collection.
+	 * @var TControl
+	 */
+	private $_o;
+
+	/**
+	 * Constructor.
+	 * @param TControl the control that owns this collection.
+	 * @param boolean whether the list is read-only
+	 */
+	public function __construct(TControl $owner,$readOnly=false)
+	{
+		$this->_o=$owner;
+		parent::__construct(null,$readOnly);
+	}
+
+	/**
+	 * @return TControl the control that owns this collection.
+	 */
+	protected function getOwner()
+	{
+		return $this->_o;
+	}
+
+	/**
+	 * Inserts an item at the specified position.
+	 * This overrides the parent implementation by performing additional
+	 * operations for each newly added child control.
+	 * @param integer the speicified position.
+	 * @param mixed new item
+	 * @throws TInvalidDataTypeException if the item to be inserted is neither a string nor a TControl.
+	 */
+	public function insertAt($index,$item)
+	{
+		if($item instanceof TControl)
+		{
+			parent::insertAt($index,$item);
+			$this->_o->addedControl($item);
+		}
+		else if(is_string($item) || ($item instanceof IRenderable))
+			parent::insertAt($index,$item);
+		else
+			throw new TInvalidDataTypeException('controlcollection_control_required');
+	}
+
+	/**
+	 * Removes an item at the specified position.
+	 * This overrides the parent implementation by performing additional
+	 * cleanup work when removing a child control.
+	 * @param integer the index of the item to be removed.
+	 * @return mixed the removed item.
+	 */
+	public function removeAt($index)
+	{
+		$item=parent::removeAt($index);
+		if($item instanceof TControl)
+			$this->_o->removedControl($item);
+		return $item;
+	}
+
+	/**
+	 * Overrides the parent implementation by invoking {@link TControl::clearNamingContainer}
+	 */
+	public function clear()
+	{
+		parent::clear();
+		if($this->_o instanceof INamingContainer)
+			$this->_o->clearNamingContainer();
+	}
+}
+\ No newline at end of file