From 4fdf0be9fec3ace5a1789a155d4f7a331bb089ce Mon Sep 17 00:00:00 2001
From: "Christophe.Boulain" <>
Date: Fri, 2 Oct 2009 13:02:23 +0000
Subject: Enhancement on drag & drop controls.

---
 framework/Web/UI/ActiveControls/TDropContainer.php | 86 +++++++++++++++-------
 1 file changed, 58 insertions(+), 28 deletions(-)

(limited to 'framework/Web/UI/ActiveControls/TDropContainer.php')

diff --git a/framework/Web/UI/ActiveControls/TDropContainer.php b/framework/Web/UI/ActiveControls/TDropContainer.php
index 75a80625..8f7792f3 100755
--- a/framework/Web/UI/ActiveControls/TDropContainer.php
+++ b/framework/Web/UI/ActiveControls/TDropContainer.php
@@ -30,7 +30,9 @@ Prado::using('System.Web.UI.ActiveControls.TActivePanel');
  * 
  * Events:
  * 
- * <b>{@link OnDrop OnDrop} : raised when a TDraggable control is dropped. The dropped control is encapsulated in the event parameter
+ * <b>{@link OnDrop OnDrop} : raised when a TDraggable control is dropped. The dropped control id is encapsulated in the event parameter,
+ * as well as mouse coordinates and key modifiers status
+ *
  * 
  * @author Christophe BOULAIN (Christophe.Boulain@gmail.com)
  * @copyright Copyright &copy; 2008, PradoSoft
@@ -115,17 +117,13 @@ class TDropContainer extends TPanel implements IActiveControl, ICallbackEventHan
 	
 	/**
 	 * Raises the onDrop event. 
-	 * The dropped control is encapsulated into a {@link TDropContainerEventParameter}
+	 * The dropp parameters are encapsulated into a {@link TDropContainerEventParameter}
 	 * 
-	 * @param string $dropControlId
+	 * @param object $dropControlId
 	 */
-	public function onDrop ($dropControlId)
+	public function onDrop ($dropParams)
 	{
-		// Find the control
-		// Warning, this will not work if you have a '_' in your control Id !
-		$dropControlId=str_replace(TControl::CLIENT_ID_SEPARATOR,TControl::ID_SEPARATOR,$dropControlId);
-		$control=$this->getPage()->findControl($dropControlId);
-		$this->raiseEvent('OnDrop', $this, new TDropContainerEventParameter ($control));
+		$this->raiseEvent('OnDrop', $this, new TDropContainerEventParameter ($dropParams));
 		
 	}
 	
@@ -244,28 +242,60 @@ class TDropContainer extends TPanel implements IActiveControl, ICallbackEventHan
  */
 class TDropContainerEventParameter extends TEventParameter
 {
-	/*
-	 * the id of control which has been dropped
-	 * @var string
-	 */
-	private $_droppedControl;
-	
-	/**
-	 * constructor
-	 *
-	 * @param string the id of control which been dropped
-	 */
-	public function __construct ($control)
+	private $_dragElementId;
+	private $_screenX;
+	private $_screenY;
+	private $_offsetX;
+	private $_offsetY;
+	private $_clientX;
+	private $_clientY;
+	private $_shiftKey;
+	private $_ctrlKey;
+	private $_altKey;
+
+	public function __construct($dropParams)
 	{
-		$this->_droppedControl=$control;
+		$this->_dragElementId = $dropParams->DragElementID;
+		$this->_screenX = $dropParams->ScreenX;
+		$this->_screenY = $dropParams->ScreenY;
+		$this->_offsetX = isset($dropParams->OffsetX) ? $dropParams->OffsetX : false;
+		$this->_offsetY = isset($dropParams->OffsetY) ? $dropParams->OffsetY : false;
+		$this->_clientX = $dropParams->ClientX;
+		$this->_clientY = $dropParams->ClientY;
+		$this->_shiftKey = TPropertyValue::ensureBoolean($dropParams->ShiftKey);
+		$this->_ctrlKey = TPropertyValue::ensureBoolean($dropParams->CtrlKey);
+		$this->_altKey = TPropertyValue::ensureBoolean($dropParams->AltKey);
 	}
-	
+
+	public function getDragElementId()			{ return $this->_dragElementId; }
+	public function getScreenX()				{ return $this->_screenX; }
+	public function getScreenY()				{ return $this->_screenY; }
+	public function getOffsetX()				{ return $this->_offsetX; }
+	public function geOffsetY()					{ return $this->_offsetY; }
+	public function getClientX()				{ return $this->_clientX; }
+	public function getClientY()				{ return $this->_clientY; }
+	public function getShiftKey()				{ return $this->_shiftKey; }
+	public function getCtrlKey()				{ return $this->_ctrlKey; }
+	public function getAltKey()					{ return $this->_altKey; }
+
 	/**
-	 * @return TDraggable 
+	 * GetDroppedControl
+	 *
+	 * Compatibility method to get the dropped control
+	 * @return TControl dropped control, or null if not found
 	 */
-	public function getDroppedControl ()
-	{
-		return $this->_droppedControl;
-	}
+	 public function getDroppedControl ()
+	 {
+		 $control=null;
+		 $service=prado::getApplication()->getService();
+		 if ($service instanceof TPageService)
+		 {
+			// Find the control
+			// Warning, this will not work if you have a '_' in your control Id !
+			$dropControlId=str_replace(TControl::CLIENT_ID_SEPARATOR,TControl::ID_SEPARATOR,$this->_dragElementId);
+			$control=$service->getRequestedPage()->findControl($dropControlId);
+		 }
+		 return $control;
+	 }
 }
 ?>
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