From 0ccf3763474a18b72b6a166399fc1cf569b867f8 Mon Sep 17 00:00:00 2001
From: wei <>
Date: Sat, 23 Sep 2006 00:05:08 +0000
Subject: Fixed #389 and add OnPreDispatch for TCallbackClientSide

---
 framework/Web/Javascripts/js/compressed/ajax.js    |  3 ++-
 framework/Web/Javascripts/js/debug/ajax.js         |  3 +++
 framework/Web/Javascripts/prado/ajax3.js           |  3 +++
 .../Web/UI/ActiveControls/TCallbackClientSide.php  | 17 ++++++++++++++++
 .../UI/ActiveControls/TTimeTriggeredCallback.php   | 23 ++++++++++++++++++++++
 5 files changed, 48 insertions(+), 1 deletion(-)

(limited to 'framework/Web')

diff --git a/framework/Web/Javascripts/js/compressed/ajax.js b/framework/Web/Javascripts/js/compressed/ajax.js
index 32893e07..6bbb7a7c 100644
--- a/framework/Web/Javascripts/js/compressed/ajax.js
+++ b/framework/Web/Javascripts/js/compressed/ajax.js
@@ -94,7 +94,8 @@ Ajax.Responders.register(Prado.CallbackRequest.Exception);});Prado.CallbackReque
 tinyMCE.triggerSave();Object.extend(this.options,{postBody:this._getPostData(),parameters:''});if(this.options.CausesValidation&&typeof(Prado.Validation)!="undefined")
 {var form=this.options.Form||Prado.Validation.getForm();if(Prado.Validation.validate(form,this.options.ValidationGroup,this)==false)
 return false;}
-if(this.options.HasPriority)
+if(this.options.onPreDispatch)
+this.options.onPreDispatch(this,null);if(this.options.HasPriority)
 return Prado.CallbackRequest.dispatchPriorityRequest(this);else
 return Prado.CallbackRequest.dispatchNormalRequest(this);},_getPostData:function()
 {var data={};var callback=Prado.CallbackRequest;if(this.options.PostInputs!=false)
diff --git a/framework/Web/Javascripts/js/debug/ajax.js b/framework/Web/Javascripts/js/debug/ajax.js
index 76c7e52a..a6c8db82 100644
--- a/framework/Web/Javascripts/js/debug/ajax.js
+++ b/framework/Web/Javascripts/js/debug/ajax.js
@@ -763,6 +763,9 @@ Prado.CallbackRequest.prototype =
 				return false;
 		}
 
+		if(this.options.onPreDispatch)
+			this.options.onPreDispatch(this,null);
+
 		if(this.options.HasPriority)
 			return Prado.CallbackRequest.dispatchPriorityRequest(this);
 		else
diff --git a/framework/Web/Javascripts/prado/ajax3.js b/framework/Web/Javascripts/prado/ajax3.js
index 3b6a1d31..6e1b7d38 100644
--- a/framework/Web/Javascripts/prado/ajax3.js
+++ b/framework/Web/Javascripts/prado/ajax3.js
@@ -475,6 +475,9 @@ Prado.CallbackRequest.prototype =
 				return false;
 		}
 
+		if(this.options.onPreDispatch)
+			this.options.onPreDispatch(this,null);
+
 		if(this.options.HasPriority)
 			return Prado.CallbackRequest.dispatchPriorityRequest(this);
 		else
diff --git a/framework/Web/UI/ActiveControls/TCallbackClientSide.php b/framework/Web/UI/ActiveControls/TCallbackClientSide.php
index ac5e32c8..ff347659 100644
--- a/framework/Web/UI/ActiveControls/TCallbackClientSide.php
+++ b/framework/Web/UI/ActiveControls/TCallbackClientSide.php
@@ -16,6 +16,7 @@
  * The following client side events are executing in order if the callback
  * request and response are send and received successfuly.
  *
+ * - <b>onPreDispatch</b> executed before a request is dispatched.
  * - <b>onUninitialized</b> executed when callback request is uninitialized.
  * - <b>onLoading</b> executed when callback request is initiated
  * - <b>onLoaded</b> executed when callback request begins.
@@ -59,6 +60,22 @@ class TCallbackClientSide extends TClientSideOptions
 		return "function(sender, parameter){ {$javascript} }";
 	}
 
+	/**
+	 * @param string javascript code to be executed before a request is dispatched.
+	 */
+	public function setOnPreDispatch($javascript)
+	{
+		$this->setFunction('onPreDispatch', $javascript);
+	}
+
+	/**
+	 * @return string javascript code to be executed before a request is dispatched.
+	 */
+	public function getOnPreDispatch()
+	{
+		return $this->getOption('onPreDispatch');
+	}
+
 	/**
 	 * @return string javascript code for client-side onUninitialized event
 	 */
diff --git a/framework/Web/UI/ActiveControls/TTimeTriggeredCallback.php b/framework/Web/UI/ActiveControls/TTimeTriggeredCallback.php
index ea0c942c..10923d03 100644
--- a/framework/Web/UI/ActiveControls/TTimeTriggeredCallback.php
+++ b/framework/Web/UI/ActiveControls/TTimeTriggeredCallback.php
@@ -21,6 +21,10 @@ Prado::using('System.Web.UI.ActiveControls.TCallback');
  * TTimeTriggeredCallback sends callback request every {@link setInterval Interval} seconds.
  * Upon each callback request, the {@link onCallback OnCallback} event is raised.
  *
+ * The timer can be started by calling {@link startTimer()} and stopped using
+ * {@link stopTimer()}. The timer can be automatically started when
+ * {@link setStartTimerOnLoad StartTimerOnLoad} is true.
+ *
  * The intervals between each request can be increased when the browser is inactive
  * by changing the {@link setDecayRate DecayRate} to a positive number. The
  * default decay rate, {@link setDecayType DecayType}, is linear and can be changed to
@@ -112,6 +116,23 @@ class TTimeTriggeredCallback extends TCallback
 		$cs->registerEndScript("{$id}:stop", $code);
 	}
 
+	/**
+	 * @param boolean true to start the timer when page loads.
+	 */
+	public function setStartTimerOnLoad($value)
+	{
+		$this->setViewState('StartTimerOnLoad', 
+				TPropertyValue::ensureBoolean($value), false);
+	}
+
+	/**
+	 * @return boolean true to start the timer when page loads.
+	 */
+	public function getStartTimerOnLoad()
+	{
+		return $this->getViewState('StartTimerOnLoad', false);
+	}
+
 	/**
 	 * @return array list of timer options for client-side.
 	 */
@@ -134,6 +155,8 @@ class TTimeTriggeredCallback extends TCallback
 		parent::render($writer);
 		$this->getActiveControl()->registerCallbackClientScript(
 			$this->getClientClassName(), $this->getTriggerOptions());
+		if($this->getStartTimerOnLoad())
+			$this->startTimer();
 	}
 
 	/**
-- 
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