Update active controls.

29 files changed, 943 insertions, 49 deletions

diff --git a/framework/Web/UI/ActiveControls/TActiveButton.php b/framework/Web/UI/ActiveControls/TActiveButton.php
index 81744057..232e639c 100644
--- a/framework/Web/UI/ActiveControls/TActiveButton.php
+++ b/framework/Web/UI/ActiveControls/TActiveButton.php
@@ -10,6 +10,9 @@
  * @package System.Web.UI.ActiveControls

  */

 

+/**

+ * Load active control adapter.

+ */

 Prado::using('System.Web.UI.ActiveControls.TActiveControlAdapter');

 

 /** 

diff --git a/framework/Web/UI/ActiveControls/TActiveCheckBox.php b/framework/Web/UI/ActiveControls/TActiveCheckBox.php
index 1b34f32d..a7f3ac2a 100644
--- a/framework/Web/UI/ActiveControls/TActiveCheckBox.php
+++ b/framework/Web/UI/ActiveControls/TActiveCheckBox.php
@@ -11,6 +11,11 @@
  */
 
 /**
+ * Load active control adapter.
+ */
+Prado::using('System.Web.UI.ActiveControls.TActiveControlAdapter');
+
+/**
  * TActiveCheckBox class.
  * 
  * The active control counter part to checkbox. The {@link setAutoPostBack AutoPostBack}
@@ -49,16 +54,12 @@ class TActiveCheckBox extends TCheckBox implements ICallbackEventHandler, IActiv
 
 	/**
 	 * Raises the callback event. This method is required by {@link
-	 * ICallbackEventHandler} interface. If {@link getCausesValidation
-	 * CausesValidation} is true, it will invoke the page's {@link TPage::
-	 * validate validate} method first. It will raise {@link onCheckedChanged
-	 * OnCheckedChanged} event first and then the {@link onCallback OnCallback} event. 
+	 * ICallbackEventHandler} interface. 
 	 * This method is mainly used by framework and control developers.
 	 * @param TCallbackEventParameter the event parameter
 	 */
  	public function raiseCallbackEvent($param)
 	{
-		$this->raisePostDataChangedEvent($param);
 		$this->onCallback($param);
 	}
 
diff --git a/framework/Web/UI/ActiveControls/TActiveCheckBoxList.php b/framework/Web/UI/ActiveControls/TActiveCheckBoxList.php
new file mode 100644
index 00000000..3a33ccc2
--- /dev/null
+++ b/framework/Web/UI/ActiveControls/TActiveCheckBoxList.php
@@ -0,0 +1,100 @@
+<?php
+/**
+ * TActiveCheckBoxList class file.
+ *
+ * @author Wei Zhuo <weizhuo[at]gamil[dot]com>
+ * @link http://www.pradosoft.com/
+ * @copyright Copyright &copy; 2006 PradoSoft
+ * @license http://www.pradosoft.com/license/
+ * @version $Revision: $  : $
+ * @package System.Web.UI.ActiveControls
+ */
+
+/**
+ * Load active control adapter.
+ */
+Prado::using('System.Web.UI.ActiveControls.TActiveListControlAdapter');
+
+/**
+ * TActiveCheckBoxList class.
+ * 
+ * The active control counter part to checkbox list control. 
+ * The {@link setAutoPostBack AutoPostBack} property is set to true by default. 
+ * Thus, when a checkbox is clicked a {@link onCallback OnCallback} event is 
+ * raised after {@link OnSelectedIndexChanged} event. 
+ * 
+ * With {@link TBaseActiveControl::setEnableUpdate() ActiveControl.EnabledUpdate}
+ * set to true (default is true), changes to the selection will be updated
+ * on the client side.
+ *
+ * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
+ * @version : $  Sun Jun 25 01:50:27 EST 2006 $
+ * @package System.Web.UI.ActiveControls
+ * @since 3.0
+ */
+class TActiveCheckBoxList extends TCheckBoxList 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 $this->getAdapter()->getBaseActiveControl();
+	}
+	
+	/**
+	 * No client class for this control.
+	 * This method overrides the parent implementation.
+	 * @return null no javascript class name.
+	 */
+	protected function getClientClassName()
+	{
+		return null;
+	}	
+	
+	/**
+	 * Creates a control used for repetition (used as a template).
+	 * @return TControl the control to be repeated
+	 */
+	protected function createRepeatedControl()
+	{
+		return new TActiveCheckBox;
+	}
+	
+	/**
+	 * Raises the callback event. This method is required by {@link
+	 * ICallbackEventHandler} interface. 
+	 * This method is mainly used by framework and control developers.
+	 * @param TCallbackEventParameter the event parameter
+	 */
+ 	public function raiseCallbackEvent($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
diff --git a/framework/Web/UI/ActiveControls/TActiveControlAdapter.php b/framework/Web/UI/ActiveControls/TActiveControlAdapter.php
index e6e8585f..75c9ba21 100644
--- a/framework/Web/UI/ActiveControls/TActiveControlAdapter.php
+++ b/framework/Web/UI/ActiveControls/TActiveControlAdapter.php
@@ -90,13 +90,17 @@ class TActiveControlAdapter extends TControlAdapter
 	protected function renderCallbackClientScripts()

 	{

 		$cs = $this->getPage()->getClientScript();

-		$key = get_class($this);

+		$key = 'Prado.CallbackRequest.addPostLoaders';

 		if(!$cs->isEndScriptRegistered($key))

 		{

 			$cs->registerPradoScript('ajax');

-			$options = TJavascript::encode($this->getPage()->getPostDataLoaders(),false);

-			$script = "Prado.CallbackRequest.addPostLoaders({$options});";

-			$cs->registerEndScript($key, $script);

+			$data = $this->getPage()->getPostDataLoaders();

+			if(count($data) > 0)

+			{

+				$options = TJavascript::encode($data,false);

+				$script = "Prado.CallbackRequest.addPostLoaders({$options});";

+				$cs->registerEndScript($key, $script);

+			}

 		}

 	}

 	

diff --git a/framework/Web/UI/ActiveControls/TActiveDropDownList.php b/framework/Web/UI/ActiveControls/TActiveDropDownList.php
new file mode 100644
index 00000000..679996b5
--- /dev/null
+++ b/framework/Web/UI/ActiveControls/TActiveDropDownList.php
@@ -0,0 +1,153 @@
+<?php
+/**
+ * TActiveDropDownList class file.
+ *
+ * @author Wei Zhuo <weizhuo[at]gamil[dot]com>
+ * @link http://www.pradosoft.com/
+ * @copyright Copyright &copy; 2006 PradoSoft
+ * @license http://www.pradosoft.com/license/
+ * @version $Revision: $  : $
+ * @package System.Web.UI.ActiveControls
+ */
+
+/**
+ * Load active list control adapter
+ */
+Prado::using('System.Web.UI.ActiveControls.TActiveListControlAdapter');
+
+/**
+/**
+ * TActiveDropDownList class.
+ * 
+ * The active control counter part to drop down list control. 
+ * The {@link setAutoPostBack AutoPostBack} property is set to true by default. 
+ * Thus, when the drop down list selection is changed the {@link onCallback OnCallback} event is 
+ * raised after {@link OnSelectedIndexChanged} event. 
+ * 
+ * With {@link TBaseActiveControl::setEnableUpdate() ActiveControl.EnabledUpdate}
+ * set to true (default is true), changes to the selection, <b>after</b> OnLoad event has
+ * been raised, will be updated.
+ * on the client side.
+ *
+ * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
+ * @version : $  Sun Jun 25 19:55:19 EST 2006 $
+ * @package System.Web.UI.ActiveControls
+ * @since 3.0
+ */
+class TActiveDropDownList extends TDropDownList implements ICallbackEventHandler, IActiveControl
+{
+	/**
+	 * 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 $this->getAdapter()->getBaseActiveControl();
+	}
+
+	/**
+	 * No client class for this control.
+	 * This method overrides the parent implementation.
+	 * @return null no javascript class name.
+	 */
+	protected function getClientClassName()
+	{
+		return 'Prado.WebUI.TActiveDropDownList';
+	}
+	
+	/**
+	 * Loads user input data.
+	 * Disables ActiveControl.EnableUpdate subproperty during loading post data
+	 * to avoid duplicating selection changes.
+	 * @param string the key that can be used to retrieve data from the input data collection
+	 * @param array the input data collection
+	 * @return boolean whether the data of the component has been changed
+	 */
+	public function loadPostData($key,$values)
+	{
+		$enabled = $this->getActiveControl()->getEnableUpdate();
+		$this->getActiveControl()->setEnableUpdate(false);
+		$result = parent::loadPostData($key, $values);
+		$this->getActiveControl()->setEnableUpdate($enabled);
+		return $result;
+	}
+	
+	/**
+	 * Creates a collection object to hold list items. A specialized
+	 * TActiveListItemCollection is created to allow the drop down list options
+	 * to be added.
+	 * This method may be overriden to create a customized collection.
+	 * @return TActiveListItemCollection the collection object
+	 */
+	protected function createListItemCollection()
+	{
+		$collection  = new TActiveListItemCollection;
+		$collection->setControl($this);
+		return $collection;
+	}
+	
+	/**
+	 * Override parent implementation, no javascript is rendered here instead 
+	 * the javascript required for active control is registered in {@link addAttributesToRender}.
+	 */
+	protected function renderClientControlScript($writer)
+	{
+	}
+	
+	/**
+	 * Ensure that the ID attribute is rendered and registers the javascript code
+	 * for initializing the active control.
+	 */
+	protected function addAttributesToRender($writer)
+	{
+		parent::addAttributesToRender($writer);
+		$writer->addAttribute('id',$this->getClientID());
+		$this->getActiveControl()->registerCallbackClientScript(
+			$this->getClientClassName(), $this->getPostBackOptions());		
+	}		
+	
+	/**
+	 * Raises the callback event. This method is required by {@link
+	 * ICallbackEventHandler} interface. 
+	 * This method is mainly used by framework and control developers.
+	 * @param TCallbackEventParameter the event parameter
+	 */
+ 	public function raiseCallbackEvent($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, $param);
+	}	
+	
+	/**
+	 * Updates the client-side options if the item list has changed after the OnLoad event.
+	 */
+	public function onPreRender($param)
+	{
+		parent::onPreRender($param);
+		$this->getAdapter()->updateListItems();
+	}
+}
+
+?>
\ No newline at end of file
diff --git a/framework/Web/UI/ActiveControls/TActiveHyperLink.php b/framework/Web/UI/ActiveControls/TActiveHyperLink.php
new file mode 100644
index 00000000..ac99089d
--- /dev/null
+++ b/framework/Web/UI/ActiveControls/TActiveHyperLink.php
@@ -0,0 +1,99 @@
+<?php
+/**
+ * TActiveHyperLink class file.
+ *
+ * @author Wei Zhuo <weizhuo[at]gamil[dot]com>
+ * @link http://www.pradosoft.com/
+ * @copyright Copyright &copy; 2006 PradoSoft
+ * @license http://www.pradosoft.com/license/
+ * @version $Revision: $  : $
+ * @package System.Web.UI.ActiveControls
+ */
+
+/**
+ * TActiveHyperLink class.
+ *
+ * The active control counterpart of THyperLink component. When
+ * {@link TBaseActiveControl::setEnableUpdate ActiveControl.EnableUpdate}
+ * property is true the during a callback request, setting {@link setText Text} 
+ * property will also set the text of the label on the client upon callback 
+ * completion. Similarly, for other properties such as {@link setImageUrl ImageUrl},
+ * {@link setNavigateUrl NavigateUrl} and {@link setTarget Target}.
+ * 
+ * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
+ * @version : $  Mon Jun 26 00:08:24 EST 2006 $
+ * @package System.Web.UI.ActiveControls
+ * @since 3.0
+ */
+class TActiveHyperLink extends THyperLink 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 basic active control options.
+	 */
+	public function getActiveControl()
+	{
+		return $this->getAdapter()->getBaseActiveControl();
+	}
+	
+	/**
+	 * On callback response, the inner HTMl of the label is updated.
+	 * @param string the text value of the label
+	 */
+	public function setText($value)
+	{
+		parent::setText($value);
+		if($this->getActiveControl()->canUpdateClientSide())
+			$this->getPage()->getCallbackClient()->update($this, $value);
+	}
+	
+	/**
+	 * Sets the location of image file of the THyperLink.
+	 * @param string the image file location
+	 */
+	public function setImageUrl($value)
+	{
+		parent::setImageUrl($value);
+		if($this->getActiveControl()->canUpdateClientSide() && $value !== '')
+		{
+			$textWriter = new TTextWriter();
+			$renderer = new THtmlWriter($textWriter);
+			$this->createImage($value)->renderControl($renderer);
+			$this->getPage()->getCallbackClient()->update($this, $textWriter->flush());
+		}
+	}
+	
+	/**
+	 * Sets the URL to link to when the THyperLink component is clicked.
+	 * @param string the URL
+	 */
+	public function setNavigateUrl($value)
+	{
+		parent::setNavigateUrl($value);
+		if($this->getActiveControl()->canUpdateClientSide())
+			$this->getPage()->getCallbackClient()->setAttribute($this, 'href', $value);
+	}
+	
+	/**
+	 * Sets the target window or frame to display the Web page content linked to when the THyperLink component is clicked.
+	 * @param string the target window, valid values include '_blank', '_parent', '_self', '_top' and empty string.
+	 */
+	public function setTarget($value)
+	{
+		parent::setTarget($value);
+		if($this->getActiveControl()->canUpdateClientSide())
+			$this->getPage()->getCallbackClient()->setAttribute($this, 'target', $value);		
+	}			
+}
+
+?>
\ No newline at end of file
diff --git a/framework/Web/UI/ActiveControls/TActiveImage.php b/framework/Web/UI/ActiveControls/TActiveImage.php
new file mode 100644
index 00000000..eb0f4ca9
--- /dev/null
+++ b/framework/Web/UI/ActiveControls/TActiveImage.php
@@ -0,0 +1,27 @@
+<?php
+/**
+ * TActiveImage class file.
+ *
+ * @author Wei Zhuo <weizhuo[at]gamil[dot]com>
+ * @link http://www.pradosoft.com/
+ * @copyright Copyright &copy; 2006 PradoSoft
+ * @license http://www.pradosoft.com/license/
+ * @version $Revision: $  : $
+ * @package System.Web.UI.WebControls
+ */
+
+
+/**
+ * TActiveImage class.
+ *
+ * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
+ * @version : $  Mon Jun 26 00:44:25 EST 2006 $
+ * @package System.Web.UI.ActiveControls
+ * @since 3.0
+ */
+class TActiveImage extends TImage implements IActiveControl
+{
+
+}
+
+?>
\ No newline at end of file
diff --git a/framework/Web/UI/ActiveControls/TActiveImageButton.php b/framework/Web/UI/ActiveControls/TActiveImageButton.php
new file mode 100644
index 00000000..74e99781
--- /dev/null
+++ b/framework/Web/UI/ActiveControls/TActiveImageButton.php
@@ -0,0 +1,25 @@
+<?php
+/**
+ * TActiveImageButton class file.
+ *
+ * @author Wei Zhuo <weizhuo[at]gamil[dot]com>
+ * @link http://www.pradosoft.com/
+ * @copyright Copyright &copy; 2006 PradoSoft
+ * @license http://www.pradosoft.com/license/
+ * @version $Revision: $  : $
+ * @package System.Web.UI.ActiveControls
+ */
+
+/**
+ * TActiveImageButton class.
+ *
+ * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
+ * @version : $  Mon Jun 26 00:45:39 EST 2006 $
+ * @package System.Web.UI.ActiveControls
+ * @since 3.0
+ */
+class TActiveImageButton extends TImageButton implements IActiveControl, ICallbackEventHandler
+{
+}
+
+?>
\ No newline at end of file
diff --git a/framework/Web/UI/ActiveControls/TActiveLabel.php b/framework/Web/UI/ActiveControls/TActiveLabel.php
index f54e0b98..f6c0ce81 100644
--- a/framework/Web/UI/ActiveControls/TActiveLabel.php
+++ b/framework/Web/UI/ActiveControls/TActiveLabel.php
@@ -11,6 +11,11 @@
  */

 

 /**

+ * Load active control adapter.

+ */

+Prado::using('System.Web.UI.ActiveControls.TActiveControlAdapter');

+

+/**

  * TActiveLabel class

  *

  * The active control counterpart of TLabel component. When

diff --git a/framework/Web/UI/ActiveControls/TActiveLinkButton.php b/framework/Web/UI/ActiveControls/TActiveLinkButton.php
new file mode 100644
index 00000000..40b69391
--- /dev/null
+++ b/framework/Web/UI/ActiveControls/TActiveLinkButton.php
@@ -0,0 +1,25 @@
+<?php
+/**
+ * TActiveLinkButton class file.
+ *
+ * @author Wei Zhuo <weizhuo[at]gamil[dot]com>
+ * @link http://www.pradosoft.com/
+ * @copyright Copyright &copy; 2006 PradoSoft
+ * @license http://www.pradosoft.com/license/
+ * @version $Revision: $  : $
+ * @package System.Web.UI.ActiveControls
+ */
+
+/**
+ * TActiveLinkButton class.
+ *
+ * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
+ * @version : $  Mon Jun 26 00:49:25 EST 2006 $
+ * @package System.Web.UI.ActiveControls
+ * @since 3.0
+ */
+class TActiveLinkButton extends TLinkButton implements IActiveControl, ICallbackEventHandler
+{
+}
+
+?>
\ No newline at end of file
diff --git a/framework/Web/UI/ActiveControls/TActiveListBox.php b/framework/Web/UI/ActiveControls/TActiveListBox.php
new file mode 100644
index 00000000..37db5e27
--- /dev/null
+++ b/framework/Web/UI/ActiveControls/TActiveListBox.php
@@ -0,0 +1,26 @@
+<?php
+/**
+ * TActiveListBox class file.
+ *
+ * @author Wei Zhuo <weizhuo[at]gamil[dot]com>
+ * @link http://www.pradosoft.com/
+ * @copyright Copyright &copy; 2006 PradoSoft
+ * @license http://www.pradosoft.com/license/
+ * @version $Revision: $  : $
+ * @package System.Web.UI.ActiveControls
+ */
+
+/**
+ * TActiveListBox class.
+ *
+ * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
+ * @version : $  Mon Jun 26 00:50:16 EST 2006 $
+ * @package System.Web.UI.ActiveControls
+ * @since 3.0
+ */
+class TActiveListBox extends TListBox implements IActiveControl, ICallbackEventHandler
+{
+	
+}
+
+?>
\ No newline at end of file
diff --git a/framework/Web/UI/ActiveControls/TActiveListControlAdapter.php b/framework/Web/UI/ActiveControls/TActiveListControlAdapter.php
new file mode 100644
index 00000000..592c4c14
--- /dev/null
+++ b/framework/Web/UI/ActiveControls/TActiveListControlAdapter.php
@@ -0,0 +1,212 @@
+<?php
+/**
+ * TActiveListControlAdapter class file.
+ *
+ * @author Wei Zhuo <weizhuo[at]gamil[dot]com>
+ * @link http://www.pradosoft.com/
+ * @copyright Copyright &copy; 2006 PradoSoft
+ * @license http://www.pradosoft.com/license/
+ * @version $Revision: $  : $
+ * @package System.Web.UI.ActiveControls
+ */
+
+/**
+ * Load active control adapter.
+ */
+Prado::using('System.Web.UI.ActiveControls.TActiveControlAdapter');
+Prado::using('System.Web.UI.WebControls.TListControl');
+
+/**
+ * TActiveListControlAdapter class.
+ * 
+ * Adapte the list controls to allows the selections on the client-side to be altered
+ * during callback response.
+ *
+ * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
+ * @version $Revision: $  Sun Jun 25 04:53:43 EST 2006 $
+ * @package System.Web.UI.ActiveControls
+ * @since 3.0
+ */
+class TActiveListControlAdapter extends TActiveControlAdapter implements IListControlAdaptee
+{
+	/**
+	 * @return boolean true if can update client-side attributes.
+	 */
+	protected function canUpdateClientSide()
+	{
+		return $this->getControl()->getActiveControl()->canUpdateClientSide();
+	}
+	
+	/** 
+	 * Selects an item based on zero-base index on the client side. 
+	 * @param integer the index (zero-based) of the item to be selected
+	 */
+	public function setSelectedIndex($index)
+	{
+		if($this->canUpdateClientSide())
+			$this->getPage()->getCallbackClient()->select(
+					$this->getControl(), 'Index', $index);
+	}
+
+	/** 
+	 * Selects a list of item based on zero-base indices on the client side. 
+	 * @param array list of index of items to be selected
+	 */
+	public function setSelectedIndices($indices)
+	{
+		if($this->canUpdateClientSide())
+		{
+			$n = $this->getControl()->getItemCount();
+			$list = array();
+			foreach($indices as $index)
+			{
+				$index = intval($index);
+				if($index >= 0 && $index <= $n)
+					$list[] = $index;
+			}
+			if(count($list) > 0)
+				$this->getPage()->getCallbackClient()->select(
+					$this->getControl(), 'Indices', $list);			
+		}
+	}
+
+	/**
+	 * Sets selection by item value on the client side.
+	 * @param string the value of the item to be selected.
+	 */
+	public function setSelectedValue($value)
+	{
+		if($this->canUpdateClientSide())
+			$this->getPage()->getCallbackClient()->select(
+					$this->getControl(), 'Value', $value);
+	}
+	
+	/** 
+	 * Sets selection by a list of item values on the client side.
+	 * @param array list of the selected item values
+	 */
+	public function setSelectedValues($values)
+	{
+		if($this->canUpdateClientSide())
+		{
+			$list = array();
+			foreach($values as $value)
+				$list[] = $value;
+			if(count($list) > 0)
+				$this->getPage()->getCallbackClient()->select(
+					$this->getControl(), 'Values', $list);
+		}
+	}
+	
+    /**
+     * Clears all existing selections on the client side.
+     */
+    public function clearSelection()
+    {
+		if($this->canUpdateClientSide())
+			$this->getPage()->getCallbackClient()->select($this->getControl(), 'Clear');
+    }
+
+	/**
+	 * Update the client-side list options.
+	 */
+	public function updateListItems()
+	{
+		if($this->canUpdateClientSide() && $this->getControl()->getHasItems())
+		{
+			$items = $this->getControl()->getItems();
+			if($items instanceof TActiveListItemCollection && $items->getListHasChanged())
+				$this->getPage()->getCallbackClient()->setListItems($this->getControl(), $items);
+		}
+	}
+}
+
+/**
+ * TActiveListItemCollection class.
+ * 
+ * Allows TActiveDropDownList and TActiveListBox to add new options
+ * during callback response. New options can only be added <b>after</b> the
+ * {@link TControl::onLoad OnLoad} event. 
+ * 
+ * The {@link getListHasChanged ListHasChanged} property is true when the 
+ * list items has changed. The control responsible for the list needs to
+ * repopulate the client-side options.
+ *
+ * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
+ * @version $Revision: $  Sun Jun 25 21:15:05 EST 2006 $
+ * @package System.Web.UI.ActiveControls
+ * @since 3.0
+ */
+class TActiveListItemCollection extends TListItemCollection
+{
+	/**
+	 * @var IActiveControl control instance.
+	 */
+	private $_control;
+	/**
+	 * @var boolean true if list items were changed.
+	 */
+	private $_hasChanged=false;
+	
+	/**
+	 * @return boolean true if active controls can update client-side and
+	 * the onLoad event has already been raised.
+	 */
+	protected function canUpdateClientSide()
+	{
+		return $this->getControl()->getActiveControl()->canUpdateClientSide()
+				&& $this->getControl()->getHasLoaded();
+	}
+	
+	/**
+	 * @param IActiveControl a active list control.
+	 */
+	public function setControl(IActiveControl $control)
+	{
+		$this->_control = $control;
+	}
+	
+	/**
+	 * @return IActiveControl active control using the collection.
+	 */
+	public function getControl()
+	{
+		return $this->_control;
+	}
+	
+	/**
+	 * @return boolean true if the list has changed after onLoad event.
+	 */
+	public function getListHasChanged()
+	{
+		return $this->_hasChanged;
+	}
+	
+	/**
+	 * Inserts an item into the collection.
+	 * The new option is added on the client-side during callback.
+	 * @param integer the location where the item will be inserted.
+	 * The current item at the place and the following ones will be moved backward.
+	 * @param TListItem the item to be inserted.
+	 * @throws TInvalidDataTypeException if the item being inserted is neither a string nor TListItem
+	 */
+	public function insertAt($index, $value)
+	{
+		parent::insertAt($index, $value);
+		if($this->canUpdateClientSide())
+			$this->_hasChanged = true;
+	}
+	
+	/**
+	 * Removes an item from at specified index.
+	 * @param int zero based index.
+	 */
+	public function removeAt($index)
+	{
+		parent::removeAt($index);
+		if($this->canUpdateClientSide())
+			$this->_hasChanged = true;		
+	}
+}
+
+?>
\ No newline at end of file
diff --git a/framework/Web/UI/ActiveControls/TActivePageAdapter.php b/framework/Web/UI/ActiveControls/TActivePageAdapter.php
index 90c64820..656b959c 100644
--- a/framework/Web/UI/ActiveControls/TActivePageAdapter.php
+++ b/framework/Web/UI/ActiveControls/TActivePageAdapter.php
@@ -142,7 +142,7 @@ class TActivePageAdapter extends TControlAdapter
 		}

 		

 		//output the actions

-		$executeJavascript = $this->getCallbackClientHandler()->getClientFunctionsToExecute()->toArray();

+		$executeJavascript = $this->getCallbackClientHandler()->getClientFunctionsToExecute();

 		$actions = TJavascript::jsonEncode($executeJavascript);

 		$response->appendHeader(self::CALLBACK_ACTION_HEADER.': '.$actions);

 

diff --git a/framework/Web/UI/ActiveControls/TActivePanel.php b/framework/Web/UI/ActiveControls/TActivePanel.php
index 787b65d3..b7773e1c 100644
--- a/framework/Web/UI/ActiveControls/TActivePanel.php
+++ b/framework/Web/UI/ActiveControls/TActivePanel.php
@@ -11,6 +11,11 @@
  */

 

 /**

+ * 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 

diff --git a/framework/Web/UI/ActiveControls/TActiveRadioButton.php b/framework/Web/UI/ActiveControls/TActiveRadioButton.php
new file mode 100644
index 00000000..b9497051
--- /dev/null
+++ b/framework/Web/UI/ActiveControls/TActiveRadioButton.php
@@ -0,0 +1,27 @@
+<?php
+/**
+ * TActiveRadioButton class file.
+ *
+ * @author Wei Zhuo <weizhuo[at]gamil[dot]com>
+ * @link http://www.pradosoft.com/
+ * @copyright Copyright &copy; 2006 PradoSoft
+ * @license http://www.pradosoft.com/license/
+ * @version $Revision: $  : $
+ * @package System.Web.UI.ActiveControls
+ */
+
+
+/**
+ * TActiveRadioButton class.
+ *
+ * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
+ * @version $Revision: $  Mon Jun 26 00:47:14 EST 2006 $
+ * @package System.Web.UI.ActiveControls
+ * @since 3.0
+ */
+class TActiveRadioButton extends TRadioButton implements IActiveControl, ICallbackEventHandler
+{
+	
+}
+
+?>
\ No newline at end of file
diff --git a/framework/Web/UI/ActiveControls/TActiveRadioButtonList.php b/framework/Web/UI/ActiveControls/TActiveRadioButtonList.php
new file mode 100644
index 00000000..665a8542
--- /dev/null
+++ b/framework/Web/UI/ActiveControls/TActiveRadioButtonList.php
@@ -0,0 +1,25 @@
+<?php
+/**
+ * TActiveRadioButtonList class file.
+ *
+ * @author Wei Zhuo <weizhuo[at]gamil[dot]com>
+ * @link http://www.pradosoft.com/
+ * @copyright Copyright &copy; 2006 PradoSoft
+ * @license http://www.pradosoft.com/license/
+ * @version $Revision: $  : $
+ * @package System.Web.UI.ActiveControls
+ */
+
+/**
+ * TActiveRadioButtonList class.
+ *
+ * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
+ * @version : $  Mon Jun 26 00:48:08 EST 2006 $
+ * @package System.Web.UI.ActiveControls
+ * @since 3.0
+ */
+class TActiveRadioButtonList extends TRadioButtonList implements IActiveControl, ICallbackEventHandler
+{
+}
+
+?>
\ No newline at end of file
diff --git a/framework/Web/UI/ActiveControls/TActiveTextBox.php b/framework/Web/UI/ActiveControls/TActiveTextBox.php
index 2e207f92..950a5dcb 100644
--- a/framework/Web/UI/ActiveControls/TActiveTextBox.php
+++ b/framework/Web/UI/ActiveControls/TActiveTextBox.php
@@ -11,6 +11,11 @@
  */

 

 /**

+ * Load active control adapter.

+ */

+Prado::using('System.Web.UI.ActiveControls.TActiveControlAdapter');

+

+/**

  * TActiveTextBox class.

  * 

  * TActiveTextBox allows the {@link setText Text} property of the textbox to

@@ -58,16 +63,12 @@ class TActiveTextBox extends TTextBox implements ICallbackEventHandler, IActiveC
 	

 	/**

 	 * Raises the callback event. This method is required by {@link

-	 * ICallbackEventHandler} interface. If {@link getCausesValidation

-	 * CausesValidation} is true, it will invoke the page's {@link TPage::

-	 * validate validate} method first. It will raise {@link onTextChanged

-	 * onTextChanged} event first and then the {@link onCallback OnCallback} event. 

+	 * ICallbackEventHandler} interface. 

 	 * This method is mainly used by framework and control developers.

 	 * @param TCallbackEventParameter the event parameter

 	 */

  	public function raiseCallbackEvent($param)

 	{

-		$this->raisePostDataChangedEvent($param);

 		$this->onCallback($param);

 	}	

 	

diff --git a/framework/Web/UI/ActiveControls/TAutoComplete.php b/framework/Web/UI/ActiveControls/TAutoComplete.php
index 55ffde04..7d901e7f 100644
--- a/framework/Web/UI/ActiveControls/TAutoComplete.php
+++ b/framework/Web/UI/ActiveControls/TAutoComplete.php
@@ -11,6 +11,11 @@
  */

 

 /**

+ * Load active text box.

+ */

+Prado::using('System.Web.UI.ActiveControls.TActiveTextBox');

+

+/**

  * TAutoComplete class.

  * 

  * TAutoComplete is a textbox that provides a list of suggestion on 

diff --git a/framework/Web/UI/ActiveControls/TBaseActiveControl.php b/framework/Web/UI/ActiveControls/TBaseActiveControl.php
index c42f75e8..dfb7efeb 100644
--- a/framework/Web/UI/ActiveControls/TBaseActiveControl.php
+++ b/framework/Web/UI/ActiveControls/TBaseActiveControl.php
@@ -117,7 +117,7 @@ class TBaseActiveControl extends TComponent
 	 */

 	public function canUpdateClientSide()

 	{

-		return 	$this->getControl()->getIsInitialized()

+		return 	$this->getControl()->getHasChildInitialized()

 				&& $this->getPage()->getIsCallback()

 				&& $this->getEnableUpdate();

 	}

@@ -319,7 +319,9 @@ class TBaseActiveCallbackControl extends TBaseActiveControl
 		if(is_array($options))

 			$options = array_merge($this->getClientSideOptions(),$options);

 		else

-			$options = $this->getClientSideOptions();			

+			$options = $this->getClientSideOptions();

+		//remove true as default to save bytes

+		$options['CausesValidation']= $options['CausesValidation'] ? '' : false;		

 		$cs->registerCallbackControl($class, $options);

 	}

 

diff --git a/framework/Web/UI/ActiveControls/TCallback.php b/framework/Web/UI/ActiveControls/TCallback.php
index 3c7d70c5..e87cea11 100644
--- a/framework/Web/UI/ActiveControls/TCallback.php
+++ b/framework/Web/UI/ActiveControls/TCallback.php
@@ -11,6 +11,11 @@
  */

 

 /**

+ * Load active control adapter.

+ */

+Prado::using('System.Web.UI.ActiveControls.TActiveControlAdapter');

+

+/**

  * TCallback component class.

  *

  * The TCallback provides a basic callback handler that can be invoke from the

diff --git a/framework/Web/UI/ActiveControls/TCallbackClientScript.php b/framework/Web/UI/ActiveControls/TCallbackClientScript.php
index d83bf90a..0e1dff5c 100644
--- a/framework/Web/UI/ActiveControls/TCallbackClientScript.php
+++ b/framework/Web/UI/ActiveControls/TCallbackClientScript.php
@@ -53,7 +53,7 @@ class TCallbackClientScript extends TApplicationComponent
 	 */

 	public function getClientFunctionsToExecute()

 	{

-		return $this->_actions;

+		return $this->_actions->toArray();

 	}

 	

 	/**

@@ -89,18 +89,41 @@ class TCallbackClientScript extends TApplicationComponent
 	 * or radio button list.

 	 * The second parameter determines the selection method. Valid methods are

 	 *  - <b>Value</b>, select or check by value

-	 *  - <b>Index</b>, select or check by list index (zero based index)

-	 *  - <b>All</b>, selects or checks all in the list

+	 *  - <b>Values</b>, select or check by a list of values

+	 *  - <b>Index</b>, select or check by index (zero based index)

+	 *  - <b>Indices</b>, select or check by a list of index (zero based index)

 	 *  - <b>Clear</b>, clears or selections or checks in the list

-	 *  - <b>Invert</b>, inverts the current selection or checks.

+	 *  - <b>All</b>, select all

+	 *  - <b>Invert</b>, invert the selection.

 	 * @param TControl|string list control

 	 * @param string selection method

 	 * @param string|int the value or index to select/check.

+	 * @param string selection control type, either 'check' or 'select'

 	 */

-	public function select($listControl, $method="Value", $valueOrIndex=null)

+	public function select($control, $method='Value', $value=null, $type=null)

 	{

-		$this->callClientFunction('Prado.Element.select', array($listControl, $method, $valueOrIndex));

+		$method = TPropertyValue::ensureEnum($method, 

+				'Value', 'Index', 'Clear', 'Indices', 'Values', 'All', 'Invert');

+		$type = is_null($type) ? $this->getSelectionControlType($control) : $type;

+		$total = $this->getSelectionControlIsListType($control) ? $control->getItemCount() : 1;

+		$this->callClientFunction('Prado.Element.select', 

+				array($control, $type.$method, $value, $total));

 	}		

+	

+	private function getSelectionControlType($control)

+	{

+		if(is_string($control)) return 'check';

+		if($control instanceof TCheckBoxList)

+			return 'check';

+		if($control instanceof TCheckBox)

+			return 'check';

+		return 'select';

+	}

+	

+	private function getSelectionControlIsListType($control)

+	{

+		return $control instanceof TListControl;

+	}

 

 	/**

 	 * Client script to click on an element. <b>This client-side function

@@ -138,7 +161,7 @@ class TCallbackClientScript extends TApplicationComponent
 	 * @param TControl|string control element or element id

 	 * @param TCollection a list of new options

 	 */

-	public function setOptions($control, $items)

+	public function setListItems($control, $items)

 	{

 		$options = array();

 		foreach($items as $item)

diff --git a/framework/Web/UI/ActiveControls/TCallbackTimer.php b/framework/Web/UI/ActiveControls/TCallbackTimer.php
index 7f1aa692..bae41e1f 100644
--- a/framework/Web/UI/ActiveControls/TCallbackTimer.php
+++ b/framework/Web/UI/ActiveControls/TCallbackTimer.php
@@ -11,6 +11,11 @@
  */
 
 /**
+ * Load active callback control.
+ */
+Prado::using('System.Web.UI.ActiveControls.TCallback');
+
+/**
  * TCallbackTimer class.
  * 
  * TCallbackTimer sends callback request every {@link setInterval Interval} seconds.
diff --git a/framework/Web/UI/TClientScriptManager.php b/framework/Web/UI/TClientScriptManager.php
index 8f43fbab..540ea01e 100644
--- a/framework/Web/UI/TClientScriptManager.php
+++ b/framework/Web/UI/TClientScriptManager.php
@@ -198,12 +198,14 @@ class TClientScriptManager extends TApplicationComponent
 	}
 
 	/**
-	 * Registers postback javascript for a control.
+	 * Registers postback javascript for a control. A null class parameter will prevent
+	 * the javascript code registration.
 	 * @param string javascript class responsible for the control being registered for postback
 	 * @param array postback options
 	 */
 	public function registerPostBackControl($class,$options)
 	{
+		if(is_null($class)) return;
 		if(!isset($options['FormID']) && ($form=$this->_page->getForm())!==null)
 			$options['FormID']=$form->getClientID();
 		$optionString=TJavaScript::encode($options);
diff --git a/framework/Web/UI/TControl.php b/framework/Web/UI/TControl.php
index d1767d57..34aeb85e 100644
--- a/framework/Web/UI/TControl.php
+++ b/framework/Web/UI/TControl.php
@@ -1000,20 +1000,44 @@ class TControl extends TApplicationComponent implements IRenderable, IBindable
 	}

 

 	/**

-	 * @return boolean true if the control has been initialized.

+	 * @return boolean true if the child control has been initialized.

 	 */

-	public function getIsInitialized()

+	public function getHasChildInitialized()

 	{

 		return $this->getControlStage() >= self::CS_CHILD_INITIALIZED;

 	}

 

 	/**

+	 * @return boolean true if the onInit event has raised.

+	 */

+	public function getHasInitialized()

+	{

+		return $this->getControlStage() >= self::CS_INITIALIZED;		

+	}

+

+	/**

 	 * @return boolean true if the control has loaded post data.

 	 */

 	public function getHasLoadedPostData()

 	{

+		return $this->getControlStage() >= self::CS_STATE_LOADED;

+	}

+

+	/**

+	 * @return boolean true if the onLoad event has raised.

+	 */

+	public function getHasLoaded()

+	{

 		return $this->getControlStage() >= self::CS_LOADED;

 	}

+	

+	/**

+	 * @return boolean true if onPreRender event has raised.

+	 */

+	public function getHasPreRendered()

+	{

+		return $this->getControlStage() >= self::CS_PRERENDERED;

+	}

 

 	/**

 	 * Returns the named registered object.

@@ -1250,12 +1274,19 @@ class TControl extends TApplicationComponent implements IRenderable, IBindable
 						$control->evaluateDynamicContent();

 				}

 			}

-

-			if($this instanceof IPostBackDataHandler)

-				$this->getPage()->registerPostDataLoader($this);

+			$this->addToPostDataLoader();

 		}

 		$this->_stage=self::CS_PRERENDERED;

 	}

+	

+	/**

+	 * Add controls implementing IPostBackDataHandler to post data loaders. 

+	 */

+	protected function addToPostDataLoader()

+	{

+		if($this instanceof IPostBackDataHandler)

+			$this->getPage()->registerPostDataLoader($this);		

+	}

 

 	/**

 	 * Performs the Unload step for the control and all its child controls.

diff --git a/framework/Web/UI/TPage.php b/framework/Web/UI/TPage.php
index 838d0342..57c66a31 100644
--- a/framework/Web/UI/TPage.php
+++ b/framework/Web/UI/TPage.php
@@ -291,8 +291,10 @@ class TPage extends TTemplateControl
 		$this->onPreLoad(null);

 		Prado::trace("Page loadRecursive()",'System.Web.UI.TPage');

 		$this->loadRecursive();

+

 		Prado::trace("Page processPostData()",'System.Web.UI.TPage');

 		$this->processPostData($this->_restPostData,false);

+

 		Prado::trace("Page raiseChangedEvents()",'System.Web.UI.TPage');

 		$this->raiseChangedEvents();

 

@@ -388,7 +390,8 @@ class TPage extends TTemplateControl
 	 */

 	public function registerPostDataLoader($control)

 	{

-		$this->_postDataLoaders[] = $control->getUniqueID();

+		$id=is_string($control)?$control:$control->getUniqueID();

+		$this->_postDataLoaders[$id] = true;

 	}

 

 	/**

@@ -397,7 +400,7 @@ class TPage extends TTemplateControl
 	 */

 	public function getPostDataLoaders()

 	{

-		return $this->_postDataLoaders;

+		return array_keys($this->_postDataLoaders);

 	}

 

 	/**

@@ -747,6 +750,7 @@ class TPage extends TTemplateControl
 	{

 		$id=is_string($control)?$control:$control->getUniqueID();

 		$this->_controlsRegisteredForPostData[$id]=true;

+		$this->registerPostDataLoader($id);

 		$params=func_get_args();

 		foreach($this->getCachingStack() as $item)

 			$item->registerAction('Page','registerRequiresPostData',$id);

diff --git a/framework/Web/UI/WebControls/TBulletedList.php b/framework/Web/UI/WebControls/TBulletedList.php
index 5499a9eb..c47b1035 100644
--- a/framework/Web/UI/WebControls/TBulletedList.php
+++ b/framework/Web/UI/WebControls/TBulletedList.php
@@ -395,6 +395,14 @@ class TBulletedList extends TListControl implements IPostBackEventHandler
 	{

 		throw new TNotSupportedException('bulletedlist_selectedvalue_unsupported');

 	}

+	

+	/**

+	 * @throws TNotSupportedException if this method is invoked

+	 */

+	public function setSelectedValues($values)

+	{

+		throw new TNotSupportedException('bulletedlist_selectedvalue_unsupported');

+	}	

 }

 

 /**

diff --git a/framework/Web/UI/WebControls/TCheckBox.php b/framework/Web/UI/WebControls/TCheckBox.php
index 9f26b02c..6fe562c9 100644
--- a/framework/Web/UI/WebControls/TCheckBox.php
+++ b/framework/Web/UI/WebControls/TCheckBox.php
@@ -347,7 +347,7 @@ class TCheckBox extends TWebControl implements IPostBackDataHandler, IValidatabl
 		$writer->addAttribute('type','checkbox');

 		if(($value = $this->getValueAttribute()) !== '')

 			$writer->addAttribute('value',$value);

-		if($onclick!=='')

+		if(!empty($onclick))

 			$writer->addAttribute('onclick',$onclick);

 		if(($uniqueID=$this->getUniqueID())!=='')

 			$writer->addAttribute('name',$uniqueID);

diff --git a/framework/Web/UI/WebControls/THyperLink.php b/framework/Web/UI/WebControls/THyperLink.php
index 011ce4db..7827038a 100644
--- a/framework/Web/UI/WebControls/THyperLink.php
+++ b/framework/Web/UI/WebControls/THyperLink.php
@@ -68,15 +68,26 @@ class THyperLink extends TWebControl
 		}

 		else

 		{

-			$image=Prado::createComponent('System.Web.UI.WebControls.TImage');

-			$image->setImageUrl($imageUrl);

-			if(($toolTip=$this->getToolTip())!=='')

-				$image->setToolTip($toolTip);

-			if(($text=$this->getText())!=='')

-				$image->setAlternateText($text);

-			$image->renderControl($writer);

+			$this->createImage($imageUrl)->renderControl($writer);

 		}

 	}

+	

+	/** 

+	 * Gets the TImage for rendering the ImageUrl property. This is not for

+	 * creating dynamic images.

+	 * @param string image url.

+	 * @return TImage image control for rendering.

+	 */

+	protected function createImage($imageUrl)

+	{

+		$image=Prado::createComponent('System.Web.UI.WebControls.TImage');

+		$image->setImageUrl($imageUrl);

+		if(($toolTip=$this->getToolTip())!=='')

+			$image->setToolTip($toolTip);

+		if(($text=$this->getText())!=='')

+			$image->setAlternateText($text);

+		return $image;

+	}

 

 	/**

 	 * @return string the text caption of the THyperLink

diff --git a/framework/Web/UI/WebControls/TListControl.php b/framework/Web/UI/WebControls/TListControl.php
index a9087af5..3ad46db8 100644
--- a/framework/Web/UI/WebControls/TListControl.php
+++ b/framework/Web/UI/WebControls/TListControl.php
@@ -436,6 +436,8 @@ abstract class TListControl extends TDataBoundControl
 				throw new TInvalidDataValueException('listcontrol_selectedindex_invalid',get_class($this),$index);

 		}

 		$this->_cachedSelectedIndex=$index;

+		if($this->getAdapter() instanceof IListControlAdaptee)

+			$this->getAdapter()->setSelectedIndex($index);

 	}

 

 	/**

@@ -469,6 +471,9 @@ abstract class TListControl extends TDataBoundControl
 					$this->_items->itemAt($index)->setSelected(true);

 			}

 		}

+		

+		if($this->getAdapter() instanceof IListControlAdaptee)

+			$this->getAdapter()->setSelectedIndices($indices);

 	}

 

 	/**

@@ -512,6 +517,8 @@ abstract class TListControl extends TDataBoundControl
 	    		throw new TInvalidDataValueException('listcontrol_selectedvalue_invalid',get_class($this),$value);

     	}

     	$this->_cachedSelectedValue=$value;

+		if($this->getAdapter() instanceof IListControlAdaptee)

+			$this->getAdapter()->setSelectedValue($value);

     }

 

 

@@ -551,6 +558,9 @@ abstract class TListControl extends TDataBoundControl
 		    		throw new TInvalidDataValueException('listcontrol_selectedvalue_invalid',get_class($this),$value);

 			}

 		}

+		

+		if($this->getAdapter() instanceof IListControlAdaptee)

+			$this->getAdapter()->setSelectedValues($values);		

 	}

 

     /**

@@ -579,6 +589,9 @@ abstract class TListControl extends TDataBoundControl
 		    foreach($this->_items as $item)

 		    	$item->setSelected(false);

 	    }

+	

+		if($this->getAdapter() instanceof IListControlAdaptee)

+			$this->getAdapter()->clearSelection();	

     }

 

 	/**

@@ -707,13 +720,24 @@ class TListItemCollection extends TList
 	 */

 	public function createListItem($index=-1)

 	{

-		$item=new TListItem;

+		$item=$this->createNewListItem();

 		if($index<0)

 			$this->add($item);

 		else

 			$this->insertAt($index,$item);

 		return $item;

 	}

+	

+	/**

+	 * @return TListItem new item.

+	 */

+	protected function createNewListItem($text=null)

+	{

+		$item =  new TListItem;

+		if(!is_null($text))

+			$item->setText($text);

+		return $item;

+	}

 

 	/**

 	 * Inserts an item into the collection.

@@ -724,15 +748,11 @@ class TListItemCollection extends TList
 	 */

 	public function insertAt($index,$item)

 	{

-		if($item instanceof TListItem)

-			parent::insertAt($index,$item);

-		else if(is_string($item))

-		{

-			$item=$this->createListItem($index);

-			$item->setText($item);

-		}

-		else

+		if(is_string($item))

+			$item = $this->createNewListItem($item);

+		if(!($item instanceof TListItem))

 			throw new TInvalidDataTypeException('listitemcollection_item_invalid',get_class($this));

+		parent::insertAt($index,$item);

 	}

 

 	/**

@@ -824,4 +844,44 @@ class TListItemCollection extends TList
 	}

 }

 

+/**

+ * IListControlAdapter interface

+ *

+ * @author Wei Zhuo <weizhuo[at]gmail[dot]com>

+ * @version $Revision: $  Sun Jun 25 04:53:43 EST 2006 $

+ * @package System.Web.UI.ActiveControls

+ * @since 3.0

+ */

+interface IListControlAdaptee

+{

+	/** 

+	 * Selects an item based on zero-base index on the client side. 

+	 * @param integer the index (zero-based) of the item to be selected

+	 */

+	public function setSelectedIndex($index);

+	/** 

+	 * Selects a list of item based on zero-base indices on the client side. 

+	 * @param array list of index of items to be selected

+	 */

+	public function setSelectedIndices($indices);

+

+	/**

+	 * Sets selection by item value on the client side.

+	 * @param string the value of the item to be selected.

+	 */

+	public function setSelectedValue($value);

+	

+	/** 

+	 * Sets selection by a list of item values on the client side.

+	 * @param array list of the selected item values

+	 */

+	public function setSelectedValues($values);

+	

+    /**

+     * Clears all existing selections on the client side.

+     */

+    public function clearSelection();

+}

+

+

 ?>