Author: piquadrat
Date: Thu Feb 26 13:53:47 2009
New Revision: 371
Modified:
trunk/pages/media/pages/javascript/change_list.js
Log:
cache sub_menu in javascript, avoids asking the server for the same sub_menu
multiple times when re-expanding parts of the tree
Modified: trunk/pages/media/pages/javascript/change_list.js
==============================================================================
--- trunk/pages/media/pages/javascript/change_list.js (original)
+++ trunk/pages/media/pages/javascript/change_list.js Thu Feb 26 13:53:47
2009
@@ -41,6 +41,7 @@
}
};
+var submenu_cache = new Array();
$(document).ready(function() {
@@ -165,11 +166,17 @@
var the_id = jtarget.attr('id').substring(1);
jtarget.toggleClass('expanded');
if(jtarget.hasClass('expanded')) {
- $.get("/admin/pages/page/"+the_id+"/sub-menu/",
- function(html) {
- $('#page-row-'+the_id).after(html);
- }
- );
+ if (submenu_cache[the_id]){
+ $('#page-row-'+the_id).after(submenu_cache[the_id]);
+ } else {
+ $.get("/admin/pages/page/"+the_id+"/sub-menu/",
+ function(html) {
+ $('#page-row-'+the_id).after(html);
+ submenu_cache[the_id] = html;
+ /* TODO: recursively re-expand submenus
according to cookie */
+ }
+ );
+ }
} else {
remove_children(the_id);
}
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