Consolidate JS into a single file; drop support for older jquery-ui

Author: zorab47

app/assets/javascripts/active_admin/sortable.js.coffee

@@ -1,2 +1,72 @@
 #= require jquery-ui/widgets/sortable
-#= require active_admin/sortable_core
+#= require jquery.mjs.nestedSortable
+
+window.ActiveAdminSortableEvent = do ->
+  eventToListeners = {}
+
+  return {
+    add: (event, callback) ->
+      if not eventToListeners.hasOwnProperty(event)
+        eventToListeners[event] = []
+      eventToListeners[event].push(callback)
+
+    trigger: (event, args) ->
+      if eventToListeners.hasOwnProperty(event)
+        for callback in eventToListeners[event]
+          try
+            callback.call(null, args)
+          catch e
+            console.error(e) if console and console.error
+  }
+
+$ ->
+  $('.disclose').bind 'click', (event) ->
+    $(this).closest('li').toggleClass('mjs-nestedSortable-collapsed').toggleClass('mjs-nestedSortable-expanded')
+
+  $(".index_as_sortable [data-sortable-type]").each ->
+    $this = $(@)
+
+    if $this.data('sortable-type') == "tree"
+      max_levels = $this.data('max-levels')
+      tab_hack = 20 # nestedSortable default
+    else
+      max_levels = 1
+      tab_hack = 99999
+
+    $this.nestedSortable
+      forcePlaceholderSize: true
+      forceHelperSizeType: true
+      errorClass: 'cantdoit'
+      disableNesting: 'cantdoit'
+      handle: '> .item'
+      listType: 'ol'
+      items: 'li'
+      opacity: .6
+      placeholder: 'placeholder'
+      revert: 250
+      maxLevels: max_levels,
+      tabSize: tab_hack
+      protectRoot: $this.data('protect-root')
+      # prevent drag flickers
+      tolerance: 'pointer'
+      toleranceElement: '> div'
+      isTree: true
+      startCollapsed: $this.data("start-collapsed")
+      update: ->
+        $this.nestedSortable("disable")
+        $.ajax
+          url: $this.data("sortable-url")
+          type: "post"
+          data: $this.nestedSortable("serialize")
+        .always ->
+          $this.find('.item').each (index) ->
+            if index % 2
+              $(this).removeClass('odd').addClass('even')
+            else
+              $(this).removeClass('even').addClass('odd')
+          $this.nestedSortable("enable")
+          ActiveAdminSortableEvent.trigger('ajaxAlways')
+        .done ->
+          ActiveAdminSortableEvent.trigger('ajaxDone')
+        .fail ->
+          ActiveAdminSortableEvent.trigger('ajaxFail')