Merge branch 'fix-issue-filter-dropdown-labels' into 'master'

Restore placeholders in issue filters from "Any" to "Milestone" and "Label"

1f11096c included new filters but made it hard to determine which dropdown did
what. This patch restores the original placeholders.

### Before

![image](https://gitlab.com/stanhu/gitlab-ce/uploads/2326b836e364275341ea0ad8c0a0926b/image.png)

### After

![image](https://gitlab.com/stanhu/gitlab-ce/uploads/b0e519f9cf8d1a3c0f054286e3b809cb/image.png)


See merge request !1554

app/helpers/labels_helper.rb

@@ -95,7 +95,8 @@ module LabelsHelper
   def project_labels_options(project)
     labels = project.labels.to_a
     labels.unshift(Label::None)
-    options_from_collection_for_select(labels, 'name', 'name', params[:label_name])
+    labels.unshift(Label::Any)
+    options_from_collection_for_select(labels, 'name', 'title', params[:label_name])
   end
 
   # Required for Gitlab::Markdown::LabelReferenceFilter

app/helpers/milestones_helper.rb

@@ -30,7 +30,8 @@ module MilestonesHelper
 
     grouped_milestones = Milestones::GroupService.new(milestones).execute
     grouped_milestones.unshift(Milestone::None)
+    grouped_milestones.unshift(Milestone::Any)
 
-    options_from_collection_for_select(grouped_milestones, 'title', 'title', params[:milestone_title])
+    options_from_collection_for_select(grouped_milestones, 'name', 'title', params[:milestone_title])
   end
 end

app/models/group_milestone.rb

 class GroupMilestone
 
+  alias_attribute :name, :title
+
   def initialize(title, milestones)
     @title = title
     @milestones = milestones

app/models/label.rb

@@ -14,7 +14,9 @@ class Label < ActiveRecord::Base
   include Referable
   # Represents a "No Label" state used for filtering Issues and Merge
   # Requests that have no label assigned.
-  None = Struct.new(:title, :name).new('No Label', 'No Label')
+  LabelStruct = Struct.new(:title, :name)
+  None = LabelStruct.new('No Label', 'No Label')
+  Any = LabelStruct.new('Any', '')
 
   DEFAULT_COLOR = '#428BCA'
 

app/models/milestone.rb

@@ -16,7 +16,9 @@
 class Milestone < ActiveRecord::Base
   # Represents a "No Milestone" state used for filtering Issues and Merge
   # Requests that have no milestone assigned.
-  None = Struct.new(:title).new('No Milestone')
+  MilestoneStruct = Struct.new(:title, :name)
+  None = MilestoneStruct.new('No Milestone', 'No Milestone')
+  Any = MilestoneStruct.new('Any', '')
 
   include InternalId
   include Sortable
@@ -47,6 +49,8 @@ class Milestone < ActiveRecord::Base
     state :active
   end
 
+  alias_attribute :name, :title
+
   class << self
     def search(query)
       query = "%#{query}%"

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

@@ -39,13 +39,13 @@
 
         .filter-item.inline.milestone-filter
           = select_tag('milestone_title', projects_milestones_options,
-            class: 'select2 trigger-submit', include_blank: 'Any',
+            class: 'select2 trigger-submit', include_blank: true,
             data: {placeholder: 'Milestone'})
 
         - if @project
           .filter-item.inline.labels-filter
             = select_tag('label_name', project_labels_options(@project),
-              class: 'select2 trigger-submit', include_blank: 'Any',
+              class: 'select2 trigger-submit', include_blank: true,
               data: {placeholder: 'Label'})
 
         .pull-right