[-] BO : fix bug #PSCFV-341 - ajax call could be made twice for the same product tab

git-svn-id: http://dev.prestashop.com/svn/v1/branches/1.5.x@15065 b9a71923-0436-4b27-9f14-aed3839534dd

admin-dev/themes/default/template/controllers/products/helpers/form/form.tpl

@@ -148,15 +148,15 @@
 					$("#product-tab-content-"+currentId).hide();
 				}
 
-				if ($("#product-tab-content-"+id).hasClass('not-loaded') && !$("#product-tab-content-"+id).hasClass('loading'))
-					tabs_manager.display(id, true, 0, null);
-				else
-				{
+				// if the tab has not already been loaded, load it now
+				tabs_manager.display(id, true, 0, null);
+
+				tabs_manager.onLoad(id, function(){
 					$("#product-tab-content-"+id).show(0, function(){
 						$(this).trigger('displayed');
 					});
 					$("#link-"+id).addClass('selected');
-				}
+				});
 
 				var languages = new Array();
 				if (btn_name == "Combinations")

js/productTabsManager.js

@@ -75,9 +75,13 @@ function ProductTabsManager(){
 	 */
 	this.display = function (id, selected, index, stack)
 	{
-		var myurl = $('#link-'+id).attr("href")+"&ajax=1";
 		var tab_selector = $("#product-tab-content-"+id);
-		// Used to check if the tab is already in the process of being loaded
+
+		// Is the tab already being loaded?
+		if (!tab_selector.hasClass('not-loaded') || tab_selector.hasClass('loading'))
+			return;
+
+		// Mark the tab as being currently loading
 		tab_selector.addClass('loading');
 
 		if (selected)
@@ -89,7 +93,7 @@ function ProductTabsManager(){
 			data = post_data;
 
 		$.ajax({
-			url : myurl,
+			url : $('#link-'+id).attr("href")+"&ajax=1",
 			async : true,
 			cache: false, // cache needs to be set to false or IE will cache the page with outdated product values
 			type: 'POST',