Add CommunitySolution

* Also slightly refactor some JS files

app/views/community_solutions/_form.html.slim

@@ -0,0 +1,66 @@
+.exercise.clearfix
+  div
+    span.badge.badge-pill.badge-primary.float-right.score
+
+    h1 id="exercise-headline"
+      i id="description-symbol" class=(@embed_options[:collapse_exercise_description] ? 'fa fa-chevron-right' : 'fa fa-chevron-down')
+      => @community_solution.model_name.human(count: 1)
+      = @community_solution.exercise.title
+
+  #description-card.lead class=(@embed_options[:collapse_exercise_description] ? 'description-card-collapsed' : 'description-card')
+    .card.border-success.mb-3
+      .card-header
+        i.fa.fa-info-circle.text-success
+        strong.text-success
+          => t('community_solutions.help_us_out')
+        = t('community_solutions.explanation')
+        br
+        i.fa.fa-flask.text-success
+        strong.text-success
+          => t('community_solutions.research_status')
+        == t('community_solutions.research_explanation')
+    hr
+    = render_markdown(@community_solution.exercise.description)
+
+  a#toggle href="#" data-show=t('shared.show') data-hide=t('shared.hide')
+    - if @embed_options[:collapse_exercise_description]
+      = t('shared.show')
+    - else
+      = t('shared.hide')
+.row.mt-4
+  .col-xl-6
+    h4
+      = t('community_solutions.current_community_solution')
+    #community-solution-editor.row
+      .pr-0 class=(@community_solution.exercise.hide_file_tree ? 'd-none col-sm-3' : 'col-sm-3')
+        .card.border-secondary
+          .card-header.d-flex.justify-content-between.align-items-center.px-0.py-2
+            .px-2 = I18n.t('exercises.editor_file_tree.file_root')
+          .card-body.pt-0.pr-0.pl-1.pb-1
+            #files data-entries=FileTree.new(@files).to_js_tree
+      div class=(@community_solution.exercise.hide_file_tree ? 'col-sm-12' : 'col-sm-9')
+        div.editor-col.col.p-0 id='frames'
+          - @files.each do |file|
+            = render('exercises/editor_frame', exercise: @community_solution.exercise, file: file)
+
+  .col-xl-6.container-fluid
+    div.bg-dark.h-100.float-left.row style="width: 1px"
+    div
+      h4
+        = t('community_solutions.your_submission')
+      #own-solution-editor.row
+        .pr-0 class=(@community_solution.exercise.hide_file_tree ? 'd-none col-sm-3' : 'col-sm-3')
+          .card.border-secondary
+            .card-header.d-flex.justify-content-between.align-items-center.px-0.py-2
+              .px-2 = I18n.t('exercises.editor_file_tree.file_root')
+            .card-body.pt-0.pr-0.pl-1.pb-1
+              #own-files data-entries=FileTree.new(@own_files).to_js_tree
+        div class=(@community_solution.exercise.hide_file_tree ? 'col-sm-12' : 'col-sm-9')
+          div.editor-col.col.p-0 id='own-frames'
+            - @own_files.each do |file|
+              = render('exercises/editor_frame', exercise: @community_solution.exercise, file: file, own_solution: true)
+#statusbar.visible.mt-2 style="height: 5em"
+  p.text-center
+    = render('exercises/editor_button', classes: 'btn-lg btn-success ml-5 mr-3', data: {'data-url': community_solution_path(@community_solution), 'data-http-method': 'PUT', 'data-cause': 'change-community-solution', 'data-exercise-id': @community_solution.exercise.id}, icon: 'fa fa-send', id: 'submit', label: t('community_solutions.change_community_solution'))
+    = render('exercises/editor_button', classes: 'btn-lg btn-secondary ml-5', data: {'data-url': community_solution_path(@community_solution), 'data-http-method': 'PUT', 'data-cause': 'accept-community-solution', 'data-exercise-id': @community_solution.exercise.id}, icon: 'fa fa-check', id: 'accept', label: t('community_solutions.accept_community_solution'))
+  button style="display:none" id="autosave" data-url=community_solution_path(@community_solution) data-http-method='PUT' data-cause='autosave-community-solution' data-exercise-id=@community_solution.exercise.id

app/views/community_solutions/edit.html.slim

@@ -0,0 +1,6 @@
+- content_for :head do
+  // Force a full page reload, see https://github.com/turbolinks/turbolinks/issues/326.
+     Otherwise, code might not be highlighted correctly (race condition)
+  meta name='turbolinks-visit-control' content='reload'
+
+== render 'form'

app/views/community_solutions/index.html.slim

@@ -0,0 +1,19 @@
+h1 Listing community_solutions
+
+table
+  thead
+    tr
+      th
+      th
+      th
+
+  tbody
+    - @community_solutions.each do |community_solution|
+      tr
+        td = link_to 'Show', community_solution
+        td = link_to 'Edit', edit_community_solution_path(community_solution)
+        td = link_to 'Destroy', community_solution, data: { confirm: 'Are you sure?' }, method: :delete
+
+br
+
+= link_to 'New Community solution', new_community_solution_path

app/views/exercises/_editor_frame.html.slim

@@ -1,4 +1,4 @@
-.frame data-executable=file.file_type.executable? data-filename=file.name_with_extension data-renderable=file.file_type.renderable? data-role=file.role data-binary=file.file_type.binary? data-context-type=file.context_type data-read-only=file.read_only
+div class=(defined?(own_solution) ? "own-frame" : "frame") data-executable=file.file_type.executable? data-filename=file.name_with_extension data-renderable=file.file_type.renderable? data-role=file.role data-binary=file.file_type.binary? data-context-type=file.context_type data-read-only=file.read_only
   - if file.file_type.binary?
     .binary-file data-file-id=file.ancestor_id
       - if file.file_type.renderable?
@@ -12,4 +12,4 @@
         = link_to(file.native_file.file.filename, file.native_file.url)
   - else
     .editor-content.d-none data-file-id=file.ancestor_id = file.content
-    .editor data-file-id=file.ancestor_id data-indent-size=file.file_type.indent_size data-mode=file.file_type.editor_mode data-allow-auto-completion=exercise.allow_auto_completion.to_s data-id=file.id
+    div class=(defined?(own_solution) ? "own-editor" : "editor") data-file-id=file.ancestor_id data-indent-size=file.file_type.indent_size data-mode=file.file_type.editor_mode data-allow-auto-completion=exercise.allow_auto_completion.to_s data-id=file.id

app/views/layouts/application.html.slim

@@ -55,7 +55,7 @@ html lang="#{I18n.locale || I18n.default_locale}"
       = render('flash')
       - if current_user.try(:admin?) or current_user.try(:teacher?) && !@embed_options[:hide_navbar]
         = yield(:breadcrumbs)
-    - if (controller_name == "exercises" && action_name == "implement")
+    - if (controller_name == "exercises" && action_name == "implement") || (controller_name == 'community_solutions' && action_name == 'edit')
       .container-fluid
         = yield
     - else