collapse.js in flashgrid-3.0.0

- old
+ new

@@ -45,10 +45,11 @@
     var dimension = this.dimension()
 
     this.$element
       .removeClass('collapse')
       .addClass('collapsing')[dimension](0)
+      .attr('aria-expanded', true)
 
     this.transitioning = 1
 
     var complete = function () {
       this.$element
@@ -80,19 +81,20 @@
     this.$element[dimension](this.$element[dimension]())[0].offsetHeight
 
     this.$element
       .addClass('collapsing')
       .removeClass('collapse in')
+      .attr('aria-expanded', false)
 
     this.transitioning = 1
 
     var complete = function () {
       this.transitioning = 0
       this.$element
-        .trigger('hidden.bs.collapse')
         .removeClass('collapsing')
         .addClass('collapse')
+        .trigger('hidden.bs.collapse')
     }
 
     if (!$.support.transition) return complete.call(this)
 
     this.$element
@@ -150,11 +152,12 @@
     var option  = data ? 'toggle' : $this.data()
     var parent  = $this.attr('data-parent')
     var $parent = parent && $(parent)
 
     if (!data || !data.transitioning) {
-      if ($parent) $parent.find('[data-toggle="collapse"][data-parent="' + parent + '"]').not($this).addClass('collapsed')
-      $this.toggleClass('collapsed', $target.hasClass('in'))
+      if ($parent) $parent.find('[data-toggle="collapse"][data-parent="' + parent + '"]').not($this).addClass('collapsed').attr('aria-expanded', false)
+      var isCollapsed = $target.hasClass('in')
+      $this.toggleClass('collapsed', isCollapsed).attr('aria-expanded', !isCollapsed)
     }
 
     Plugin.call($target, option)
   })
 
\ No newline at end of file