Set indeterminated items

app/assets/javascripts/gl_dropdown.js.coffee

@@ -11,6 +11,8 @@ class GitLabDropdownFilter
     $inputContainer = @input.parent()
     $clearButton = $inputContainer.find('.js-dropdown-input-clear')
 
+    @indeterminatedIds = []
+
     # Clear click
     $clearButton.on 'click', (e) =>
       e.preventDefault()
@@ -298,6 +300,13 @@ class GitLabDropdown
   opened: =>
     @addArrowKeyEvent()
 
+    if @options.setIndeterminatedIds
+      @options.setIndeterminatedIds.call(@)
+
+    # Makes indeterminated items effective
+    if @fullData and @dropdown.find('.dropdown-menu-toggle').hasClass('js-filter-bulk-update')
+      @parseData @fullData
+
     contentHtml = $('.dropdown-content', @dropdown).html()
     if @remote && contentHtml is ""
       @remote.execute()
@@ -309,6 +318,9 @@ class GitLabDropdown
 
   hidden: (e) =>
     @removeArrayKeyEvent()
+
+    return if @dropdown.find('.dropdown-menu-toggle').hasClass('js-filter-bulk-update')
+
     if @options.filterable
       @dropdown
         .find(".dropdown-input-field")
@@ -358,7 +370,7 @@ class GitLabDropdown
 
     if @options.renderRow
       # Call the render function
-      html = @options.renderRow(data)
+      html = @options.renderRow.call(@options, data, @)
     else
       if not selected
         value = if @options.id then @options.id(data) else data.id

app/assets/javascripts/labels_select.js.coffee

 class @LabelsSelect
   constructor: ->
+    _this = @
+
     $('.js-label-select').each (i, dropdown) ->
       $dropdown = $(dropdown)
       projectId = $dropdown.data('project-id')
@@ -196,15 +198,25 @@ class @LabelsSelect
 
             callback data
 
-        renderRow: (label) ->
+        renderRow: (label, instance) ->
+          selectedClass = []
           removesAll = label.id is 0 or not label.id?
 
-          selectedClass = []
+          if $dropdown.hasClass('js-filter-bulk-update')
+            indeterminated = instance.indeterminatedIds
+            if indeterminated.indexOf(label.id) isnt -1
+              selectedClass.push 'indeterminated'
+
           if $form.find("input[type='hidden']\
             [name='#{$dropdown.data('fieldName')}']\
             [value='#{this.id(label)}']").length
             selectedClass.push 'is-active'
 
+            index = selectedClass.indexOf('indeterminated')
+
+            if index isnt -1
+              selectedClass.splice(index, 1)
+
           if $dropdown.hasClass('js-multiselect') and removesAll
             selectedClass.push 'dropdown-clear-active'
 
@@ -264,6 +276,8 @@ class @LabelsSelect
             label.id
 
         hidden: ->
+          return if $dropdown.hasClass('js-filter-bulk-update')
+
           page = $('body').data 'page'
           isIssueIndex = page is 'projects:issues:index'
           isMRIndex = page is 'projects:merge_requests:index'
@@ -301,4 +315,18 @@ class @LabelsSelect
               return
             else
               saveLabelData()
+
+        setIndeterminatedIds: ->
+          if @dropdown.find('.dropdown-menu-toggle').hasClass('js-filter-bulk-update')
+            console.log 'options.setIndeterminatedIds'
+            @indeterminatedIds = _this.getIndeterminatedIds()
       )
+
+  getIndeterminatedIds: ->
+    label_ids = []
+
+    $('.selected_issue:checked').each (i, el) ->
+      issue_id = $(el).data('id')
+      label_ids.push $("#issue_#{issue_id}").data('labels')
+
+    _.flatten(label_ids)

app/assets/stylesheets/framework/dropdowns.scss

@@ -232,9 +232,8 @@
   a {
     padding-left: 25px;
 
-    &.is-active {
+    &.indeterminated, &.is-active{
       &::before {
-        content: "\f00c";
         position: absolute;
         left: 5px;
         top: 50%;
@@ -246,6 +245,14 @@
         -moz-osx-font-smoothing: grayscale;
       }
     }
+
+    &.indeterminated::before {
+      content: "\f068";
+    }
+
+    &.is-active::before {
+      content: "\f00c";
+    }
   }
 }
 

app/helpers/issuables_helper.rb

@@ -97,4 +97,9 @@ module IssuablesHelper
     end
   end
 
+  def label_ids(issuable)
+    return nil if !issuable.labels.any?
+    issuable.labels.pluck :id
+  end
+
 end

app/views/projects/issues/_issue.html.haml

-%li{ id: dom_id(issue), class: issue_css_classes(issue), url: issue_path(issue) }
+%li{ id: dom_id(issue), class: issue_css_classes(issue), url: issue_path(issue), :'data-labels' => label_ids(issue) }
   - if controller.controller_name == 'issues' && can?(current_user, :admin_issue, @project)
     .issue-check
       = check_box_tag dom_id(issue,"selected"), nil, false, 'data-id' => issue.id, class: "selected_issue"