Correctly fitlers remotely

app/assets/javascripts/gl_dropdown.js.coffee

 class GitLabDropdownFilter
   BLUR_KEYCODES = [27, 40]
 
-  constructor: (@dropdown, @remote, @data, @callback) ->
+  constructor: (@dropdown, @remote, @query, @data, @callback) ->
     @input = @dropdown.find(".dropdown-input-field")
 
     # Key events
+    timeout = ""
     @input.on "keyup", (e) =>
-      blur_field = @shouldBlur e.keyCode
-      search_text = @input.val()
+      clearTimeout timeout
+      timeout = setTimeout =>
+        blur_field = @shouldBlur e.keyCode
+        search_text = @input.val()
 
-      if blur_field
-        @input.blur()
+        if blur_field
+          @input.blur()
 
-      if @remote
-        @remote search_text, (data) =>
-          @callback(data)
-      else
-        @filter search_text
+        if @remote
+          @query search_text, (data) =>
+            @callback(data)
+        else
+          @filter search_text
+      , 250
 
   shouldBlur: (keyCode) ->
     return BLUR_KEYCODES.indexOf(keyCode) >= 0
@@ -38,7 +42,7 @@ class GitLabDropdownRemote
         @options.beforeSend()
 
       # Fetch the data by calling the data funcfion
-      @dataEndpoint (data) =>
+      @dataEndpoint "", (data) =>
         if @options.success
           @options.success(data)
 
@@ -86,13 +90,14 @@ class GitLabDropdown
 
     # Init filiterable
     if @options.filterable
-      @filter = new GitLabDropdownFilter @dropdown, @options.query, =>
+      @filter = new GitLabDropdownFilter @dropdown, @options.filterRemote, @options.data, =>
         return @fullData
       , (data) =>
         @parseData data
 
     # Event listeners
     $(@el).parent().on "shown.bs.dropdown", @opened
+    $(@el).parent().on "hidden.bs.dropdown", @hidden
 
     if @options.selectable
       @dropdown.on "click", "a", (e) ->
@@ -124,6 +129,13 @@ class GitLabDropdown
     if @remote
       @remote.execute()
 
+    if @options.filterable
+      @dropdown.find(".dropdown-input-field").focus()
+
+  hidden: =>
+    if @options.filterable
+      @dropdown.find(".dropdown-input-field").blur().val("")
+
   # Render the full menu
   renderMenu: (html) ->
     menu_html = ""

app/assets/javascripts/labels_select.js.coffee

@@ -5,7 +5,7 @@ class @LabelsSelect
       selectedLabel = $(dropdown).data('selected')
 
       $(dropdown).glDropdown(
-        data: (callback) ->
+        data: (term, callback) ->
           Api.projectLabels 8, callback
         renderRow: (label) ->
           selected = if label.name is selectedLabel then "is-active" else ""

app/assets/javascripts/milestone_select.js.coffee

@@ -5,11 +5,11 @@ class @MilestoneSelect
       selectedMilestone = $(dropdown).data('selected')
 
       $(dropdown).glDropdown(
-        data: (callback) ->
+        data: (term, callback) ->
           Api.milestones projectId, callback
         filterable: true
         search:
-          fields: ['name']
+          fields: ['title']
         selectable: true
         fieldName: $(dropdown).data('field-name')
         text: (milestone) ->

app/assets/javascripts/users_select.js.coffee

@@ -6,20 +6,41 @@ class @UsersSelect
     $('.js-user-search').each (i, dropdown) =>
       projectId = $(dropdown).data('project-id')
       showNullUser = $(dropdown).data('null-user')
+      showAnyUser = $(dropdown).data('any-user')
+      firstUser = $(dropdown).data('first-user')
       selectedId = $(dropdown).data('selected')
 
       $(dropdown).glDropdown(
-        data: (callback) =>
-          @users "", (users) =>
-            if showNullUser
-              users.unshift(
-                name: 'Unassigned',
-                id: 0
-              )
+        data: (term, callback) =>
+          @users term, (users) =>
+            if term.length is 0
+              if firstUser
+                # Move current user to the front of the list
+                for obj, index in users
+                  if obj.username == firstUser
+                    users.splice(index, 1)
+                    users.unshift(obj)
+                    break
+
+              if showNullUser
+                users.unshift(
+                  name: 'Unassigned',
+                  id: 0
+                )
+
+              if showAnyUser
+                name = showAnyUser
+                name = 'Any User' if name == true
+                anyUser = {
+                  name: name,
+                  id: null
+                }
+                users.unshift(anyUser)
 
             # Send the data back
             callback users
         filterable: true
+        filterRemote: true
         search:
           fields: ['name', 'username']
         selectable: true

app/helpers/dropdowns_helper.rb

@@ -17,7 +17,7 @@ module DropdownsHelper
           output += content_tag :div, class: "dropdown-title" do
             title_output = content_tag(:span, title)
 
-            title_output += content_tag :button, class: "dropdown-title-button dropdown-menu-close", aria: {label: "close"} do
+            title_output += content_tag :button, class: "dropdown-title-button dropdown-menu-close", aria: {label: "close"}, type: "button" do
               icon('times')
             end.html_safe
           end

app/views/shared/issuable/_filter.html.haml

@@ -7,18 +7,26 @@
             class: "check_all_issues left"
       .issues-other-filters
         .filter-item.inline
+          - if params[:author_id]
+            = hidden_field_tag(:author_id, params[:author_id])
           = dropdown_tag("Author", toggle_class: "js-user-search", title: "Filter by author", filter: true, dropdown_class: "dropdown-menu-user dropdown-menu-selectable",
             placeholder: "Search authors", data: {any_user: "Any Author", first_user: true, current_user: true, project_id: @project.id, selected: params[:author_id], field_name: "author_id"})
 
         .filter-item.inline
+          - if params[:assignee_id]
+            = hidden_field_tag(:assignee_id, params[:assignee_id])
           = dropdown_tag("Assignee", toggle_class: "js-user-search", title: "Filter by assignee", filter: true, dropdown_class: "dropdown-menu-user dropdown-menu-selectable",
             placeholder: "Search assignee", data: {any_user: "Any Author", first_user: true, null_user: true, current_user: true, project_id: @project.id, selected: params[:assignee_id], field_name: "assignee_id"})
 
         .filter-item.inline.milestone-filter
+          - if params[:milestone_title]
+            = hidden_field_tag(:milestone_title, params[:milestone_title])
           = dropdown_tag("Milestone", title: "Filter by milestone", toggle_class: 'js-milestone-select', filter: true, dropdown_class: "dropdown-menu-selectable",
             placeholder: "Search milestones", data: {field_name: "milestone_title", selected: params[:milestone_title], project_id: @project.id})
 
         .filter-item.inline.labels-filter
+          - if params[:label_name]
+            = hidden_field_tag(:label_name, params[:label_name])
           = dropdown_tag("Label", title: "Filter by label", toggle_class: "js-label-select", filter: true, dropdown_class: "dropdown-menu-labels dropdown-menu-selectable",
             placeholder: "Search labels", footer_content: true, data: {field_name: "label_name", selected: params[:label_name], project_id: @project.id}) do
             %ul.dropdown-footer-list