From b904a24660f4a4dc5ad73a1cbb9ca6b80314f694 Mon Sep 17 00:00:00 2001
From: rojaro <>
Date: Sun, 1 Nov 2009 21:06:03 +0000
Subject: merged fix for asynchronous callback requests from
 http://www.pradosoft.com/forum/index.php?topic=12179.0

---
 .../source/prado/activecontrols/ajax3.js           | 23 +++++++++++++++++++---
 1 file changed, 20 insertions(+), 3 deletions(-)

(limited to 'framework')

diff --git a/framework/Web/Javascripts/source/prado/activecontrols/ajax3.js b/framework/Web/Javascripts/source/prado/activecontrols/ajax3.js
index 331a1f79..cf7ae7a2 100644
--- a/framework/Web/Javascripts/source/prado/activecontrols/ajax3.js
+++ b/framework/Web/Javascripts/source/prado/activecontrols/ajax3.js
@@ -471,9 +471,10 @@ Prado.CallbackRequest.prototype = Object.extend(Prado.AjaxRequest.prototype,
 		this.transport = Ajax.getTransport();
 		this.Enabled = true;
 		this.id = id;
+		this.randomId = this.randomString();
 		
 		if(typeof(id)=="string"){
-			Prado.CallbackRequest.requests[id] = this;
+			Prado.CallbackRequest.requests[id+"__"+this.randomId] = this;
 		}
 		
 		this.setOptions(Object.extend(
@@ -487,6 +488,7 @@ Prado.CallbackRequest.prototype = Object.extend(Prado.AjaxRequest.prototype,
 		}, options || {}));
 
 		this.ActiveControl = this.options;
+		Prado.CallbackRequest.requests[id+"__"+this.randomId].ActiveControl = this.options;
 	},
 	
 	/**
@@ -528,7 +530,9 @@ Prado.CallbackRequest.prototype = Object.extend(Prado.AjaxRequest.prototype,
 	 */
 	setCallbackParameter : function(value)
 	{
+		var requestId = this.id+"__"+this.randomId;
 		this.ActiveControl['CallbackParameter'] = value;
+		Prado.CallbackRequest.requests[requestId].ActiveControl['CallbackParameter'] = value;
 	},
 
 	/**
@@ -536,7 +540,7 @@ Prado.CallbackRequest.prototype = Object.extend(Prado.AjaxRequest.prototype,
 	 */
 	getCallbackParameter : function()
 	{
-		return this.ActiveControl['CallbackParameter'];
+		return Prado.CallbackRequest.requests[this.id+"__"+this.randomId].ActiveControl['CallbackParameter'];
 	},
 
 	/**
@@ -670,7 +674,7 @@ Prado.CallbackRequest.prototype = Object.extend(Prado.AjaxRequest.prototype,
 			})
 		}
 		if(typeof(this.ActiveControl.CallbackParameter) != "undefined")
-			data[callback.FIELD_CALLBACK_PARAMETER] = callback.encode(this.ActiveControl.CallbackParameter);
+			data[callback.FIELD_CALLBACK_PARAMETER] = callback.encode(this.getCallbackParameter());
 		var pageState = $F(callback.FIELD_CALLBACK_PAGESTATE);
 		if(typeof(pageState) != "undefined")
 			data[callback.FIELD_CALLBACK_PAGESTATE] = pageState;
@@ -680,6 +684,19 @@ Prado.CallbackRequest.prototype = Object.extend(Prado.AjaxRequest.prototype,
 		if(this.ActiveControl.EventParameter)
 			data[callback.FIELD_POSTBACK_PARAMETER] = this.ActiveControl.EventParameter;
 		return $H(data).toQueryString();
+	},
+
+	/**
+	 * Creates a random string with a length of 8 chars.
+	 * @return string
+	 */
+	randomString : function()
+	{
+		chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
+		randomString = "";
+		for(x=0;x<8;x++)
+			randomString += chars.charAt(Math.floor(Math.random() * 62));
+		return randomString
 	}
 });
 
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