Add assignee/milestone block to merge request edit page. And remove branches selector from this page

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

app/views/projects/merge_requests/_form.html.haml

@@ -14,33 +14,6 @@
           - @merge_request.errors.full_messages.each do |msg|
             %div= msg
 
-  .merge-request-branches
-    .form-group
-      = label_tag nil, class: 'control-label' do
-        From
-      .col-sm-10
-        .clearfix
-          .pull-left
-            = f.select(:source_project_id, [[@merge_request.source_project_path,@merge_request.source_project.id]] , {}, { class: 'source_project select2 span3', disabled: @merge_request.persisted? })
-          .pull-left
-             
-            = f.select(:source_branch, @merge_request.source_branches, { include_blank: "Select branch" }, {class: 'source_branch select2 span2'})
-        .mr_source_commit
-    %br
-    .form-group
-      = label_tag nil, class: 'control-label' do
-        To
-      .col-sm-10
-        .clearfix
-          .pull-left
-            - projects =  @project.forked_from_project.nil? ? [@project] : [@project, @project.forked_from_project]
-            = f.select(:target_project_id, options_from_collection_for_select(projects, 'id', 'path_with_namespace', f.object.target_project_id), {}, { class: 'target_project select2 span3', disabled: @merge_request.persisted? })
-          .pull-left
-             
-            = f.select(:target_branch, @merge_request.target_branches, { include_blank: "Select branch" }, {class: 'target_branch select2 span2'})
-        .mr_target_commit
-
-  %hr
   .merge-request-form-info
     .form-group
       = f.label :title, class: 'control-label' do
@@ -51,6 +24,23 @@
       .col-sm-10
         = f.text_area :description, class: "form-control js-gfm-input", rows: 14
         %p.hint Description is parsed with #{link_to "GitLab Flavored Markdown", help_markdown_path, target: '_blank'}.
+    %hr
+    .form-group
+      .issue-assignee
+        = f.label :assignee_id, class: 'control-label' do
+          %i.icon-user
+          Assign to
+        .col-sm-10
+          = project_users_select_tag('merge_request[assignee_id]', placeholder: 'Select a user', class: 'custom-form-control', selected: @merge_request.assignee_id)
+           
+          = link_to 'Assign to me', '#', class: 'btn btn-small assign-to-me-link'
+    .form-group
+      .issue-milestone
+        = f.label :milestone_id, class: 'control-label' do
+          %i.icon-time
+          Milestone
+        .col-sm-10= f.select(:milestone_id, milestone_options(@merge_request), { include_blank: "Select milestone" }, {class: 'select2'})
+
 
   .form-actions
     - if @merge_request.new_record?
@@ -66,20 +56,3 @@
 
 :javascript
   disableButtonIfEmptyField("#merge_request_title", ".btn-save");
-
-  var source_branch = $("#merge_request_source_branch")
-    , target_branch = $("#merge_request_target_branch")
-    , target_project = $("#merge_request_target_project_id");
-
-  $.get("#{branch_from_project_merge_requests_path(@source_project)}", {ref: source_branch.val() });
-  $.get("#{branch_to_project_merge_requests_path(@source_project)}", {target_project_id: target_project.val(),ref: target_branch.val() });
-
-  target_project.on("change", function() {
-    $.get("#{update_branches_project_merge_requests_path(@source_project)}", {target_project_id:  $(this).val() });
-  });
-  source_branch.on("change", function() {
-    $.get("#{branch_from_project_merge_requests_path(@source_project)}", {ref: $(this).val() });
-  });
-  target_branch.on("change", function() {
-    $.get("#{branch_to_project_merge_requests_path(@source_project)}", {target_project_id: target_project.val(),ref: $(this).val() });
-  });

app/views/projects/merge_requests/branch_from.js.haml

@@ -1,7 +1,2 @@
 :plain
   $(".mr_source_commit").html("#{commit_to_html(@commit, @source_project, false)}");
-  var mrTitle = $('#merge_request_title');
-
-  if(mrTitle.val().length == 0) {
-    mrTitle.val("#{params[:ref].titleize.humanize}");
-  }

app/views/projects/merge_requests/show/_mr_title.html.haml

@@ -39,4 +39,4 @@
     - else
       %span= @merge_request.source_branch
       →
-      %spanh= @merge_request.target_branch
+      %span= @merge_request.target_branch