Dont replace all issue context when change assignee/milestone

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/assets/javascripts/dispatcher.js.coffee

@@ -19,6 +19,8 @@ class Dispatcher
     switch page
       when 'projects:issues:index'
         Issues.init()
+      when 'projects:issues:show'
+        new Issue()
       when 'projects:issues:new', 'projects:merge_requests:new'
         GitLab.GfmAutoComplete.setup()
       when 'dashboard:show'

app/assets/javascripts/issue.js.coffee

+class Issue
+  constructor: ->
+    $('.edit-issue.inline-update input[type="submit"]').hide()
+    $(".issue-box .inline-update").on "change", "select", ->
+      $(this).submit()
+    $(".issue-box .inline-update").on "change", "#issue_assignee_id", ->
+      $(this).submit()
+
+@Issue = Issue

app/assets/javascripts/issues.js.coffee

@@ -77,9 +77,3 @@
       $("#update_issues_ids").val []
       $(".issues_bulk_update").hide()
       $(".issues-filters").show()
-
-$ ->
-  $('.edit-issue.inline-update input[type="submit"]').hide();
-  $("body").on "change", ".edit-issue.inline-update select", ->
-      $(this).submit()
-

app/assets/javascripts/project_users_select.js.coffee

-$ ->
-  projectUserFormatResult = (user) ->
+@projectUsersSelect =
+  init: ->
+    $('.ajax-project-users-select').each (i, select) ->
+      project_id = $('body').data('project-id')
+
+      $(select).select2
+        placeholder: $(select).data('placeholder') || "Search for a user"
+        multiple: $(select).hasClass('multiselect')
+        minimumInputLength: 0
+        query: (query) ->
+          Api.projectUsers project_id, query.term, (users) ->
+            data = { results: users }
+            query.callback(data)
+
+        initSelection: (element, callback) ->
+          id = $(element).val()
+          if id isnt ""
+            Api.user(id, callback)
+
+
+        formatResult: projectUsersSelect.projectUserFormatResult
+        formatSelection: projectUsersSelect.projectUserFormatSelection
+        dropdownCssClass: "ajax-project-users-dropdown"
+        dropdownAutoWidth: true
+        escapeMarkup: (m) -> # we do not want to escape markup since we are displaying html in results
+          m
+
+  projectUserFormatResult: (user) ->
     if user.avatar_url
       avatar = user.avatar_url
     else if gon.gravatar_enabled
@@ -15,30 +41,8 @@ $ ->
        <div class='user-username'>#{user.username}</div>
      </div>"
 
-  projectUserFormatSelection = (user) ->
+  projectUserFormatSelection: (user) ->
     user.name
 
-  $('.ajax-project-users-select').each (i, select) ->
-    project_id = $('body').data('project-id')
-
-    $(select).select2
-      placeholder: $(select).data('placeholder') || "Search for a user"
-      multiple: $(select).hasClass('multiselect')
-      minimumInputLength: 0
-      query: (query) ->
-        Api.projectUsers project_id, query.term, (users) ->
-          data = { results: users }
-          query.callback(data)
-
-      initSelection: (element, callback) ->
-        id = $(element).val()
-        if id isnt ""
-          Api.user(id, callback)
-
-
-      formatResult: projectUserFormatResult
-      formatSelection: projectUserFormatSelection
-      dropdownCssClass: "ajax-project-users-dropdown"
-      dropdownAutoWidth: true
-      escapeMarkup: (m) -> # we do not want to escape markup since we are displaying html in results
-        m
+$ ->
+  projectUsersSelect.init()

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

@@ -4,9 +4,6 @@
     \ and currently assigned to
 
   - if can?(current_user, :modify_issue, @issue)
-    = link_to profile_path(issue.assignee) do
-      = image_tag(avatar_icon(issue.assignee.email), class: 'avatar avatar-inline s16 assignee') if issue.assignee
-
     = project_users_select_tag('issue[assignee_id]', placeholder: 'Select a user', class: 'custom-form-control', selected: @issue.assignee_id)
   - elsif issue.assignee
     = link_to_member(@project, @issue.assignee)

app/views/projects/issues/update.js.haml

@@ -3,10 +3,7 @@
     :plain
       $("##{dom_id(@issue)}").fadeOut();
 - elsif params[:issue_context]
-  $('.issue-box .context').html("#{escape_javascript(render partial: 'issue_context', locals: { issue: @issue })}");
   $('.issue-box .context').effect('highlight');
-  $('.select2').select2();
-  $('.edit-issue.inline-update input[type="submit"]').hide();
   - if @issue.milestone
     $('.milestone-nav-link').replaceWith("<span class='milestone-nav-link'>| <span class='light'>Milestone</span> #{escape_javascript(link_to @issue.milestone.title, project_milestone_path(@issue.project, @issue.milestone))}</span>")
   - else