accordion: trigger changestart event when the animation starts (implements 2932)

diff --git a/ui/ui.accordion.js b/ui/ui.accordion.js
index 0f13a73fa3e2aba0938e14a0266da46f39c04557..cb3b39031a4b200029ec18fbe2ecfe9ef54f4330 100644 (file)
--- a/ui/ui.accordion.js
+++ b/ui/ui.accordion.js
@@ -121,6 +121,8 @@ function toggle(toShow, toHide, data, clickedActive, down) {
        options.data = data;
        var complete = scopeCallback(completed, this);
        
+       $.data(this, "accordion")._trigger("changestart", null, options.data); 
+       
        // count elements to animate
        options.running = toHide.size() === 0 ? toShow.size() : toHide.size();