1 files changed, 51 insertions, 1 deletions
diff --git a/app/assets/javascripts/issuable_form.js.coffee b/app/assets/javascripts/issuable_form.js.coffee
index 48c249943f2..7a788f761b7 100644
--- a/app/assets/javascripts/issuable_form.js.coffee
+++ b/app/assets/javascripts/issuable_form.js.coffee
@@ -1,4 +1,7 @@
 class @IssuableForm
+  issueMoveConfirmMsg: 'Are you sure you want to move this issue to another project?'
+  wipRegex: /^\s*(\[WIP\]\s*|WIP:\s*|WIP\s+)+\s*/i
+
   constructor: (@form) ->
     GitLab.GfmAutoComplete.setup()
     new UsersSelect()
@@ -6,14 +9,17 @@ class @IssuableForm
 
     @titleField       = @form.find("input[name*='[title]']")
     @descriptionField = @form.find("textarea[name*='[description]']")
+    @issueMoveField   = @form.find("#move_to_project_id")
 
     return unless @titleField.length && @descriptionField.length
 
     @initAutosave()
 
-    @form.on "submit", @resetAutosave
+    @form.on "submit", @handleSubmit
     @form.on "click", ".btn-cancel", @resetAutosave
 
+    @initWip()
+
   initAutosave: ->
     new Autosave @titleField, [
       document.location.pathname,
@@ -27,6 +33,50 @@ class @IssuableForm
       "description"
     ]
 
+  handleSubmit: =>
+    if (parseInt(@issueMoveField?.val()) ? 0) > 0
+      return false unless confirm(@issueMoveConfirmMsg)
+
+    @resetAutosave()
+
   resetAutosave: =>
     @titleField.data("autosave").reset()
     @descriptionField.data("autosave").reset()
+
+  initWip: ->
+    @$wipExplanation = @form.find(".js-wip-explanation")
+    @$noWipExplanation = @form.find(".js-no-wip-explanation")
+    return unless @$wipExplanation.length and @$noWipExplanation.length
+
+    @form.on "click", ".js-toggle-wip", @toggleWip
+
+    @titleField.on "keyup blur", @renderWipExplanation
+
+    @renderWipExplanation()
+
+  workInProgress: ->
+    @wipRegex.test @titleField.val()
+
+  renderWipExplanation: =>
+    if @workInProgress()
+      @$wipExplanation.show()
+      @$noWipExplanation.hide()
+    else
+      @$wipExplanation.hide()
+      @$noWipExplanation.show()
+
+  toggleWip: (event) =>
+    event.preventDefault()
+
+    if @workInProgress()
+      @removeWip()
+    else
+      @addWip()
+
+    @renderWipExplanation()
+
+  removeWip: ->
+    @titleField.val @titleField.val().replace(@wipRegex, "")
+
+  addWip: ->
+    @titleField.val "WIP: #{@titleField.val()}"