option to hide the file tree in exercises.

app/controllers/exercises_controller.rb

@@ -62,7 +62,7 @@ class ExercisesController < ApplicationController
   end
 
   def exercise_params
-    params[:exercise].permit(:description, :execution_environment_id, :file_id, :instructions, :public, :team_id, :title, files_attributes: file_attributes).merge(user_id: current_user.id, user_type: current_user.class.name)
+    params[:exercise].permit(:description, :execution_environment_id, :file_id, :instructions, :public, :hide_file_tree, :team_id, :title, files_attributes: file_attributes).merge(user_id: current_user.id, user_type: current_user.class.name)
   end
   private :exercise_params
 

app/views/exercises/_editor.html.slim

@@ -1,6 +1,6 @@
 #editor.row data-exercise-id=exercise.id data-message-depleted=t('exercises.editor.depleted') data-message-timeout=t('exercises.editor.timeout', permitted_execution_time: @exercise.execution_environment.permitted_execution_time) data-errors-url=execution_environment_errors_path(exercise.execution_environment) data-submissions-url=submissions_path data-user-id=@current_user.id
-  .col-sm-3 = render('editor_file_tree', files: @files)
-  #frames.col-sm-9
+  div class=(@exercise.hide_file_tree ? 'hidden col-sm-3' : 'col-sm-3') = render('editor_file_tree', files: @files)
+  div id='frames' class=(@exercise.hide_file_tree ? 'col-sm-12' : 'col-sm-9')
     - @files.each do |file|
       = render('editor_frame', exercise: exercise, file: file)
     #autosave-label

app/views/exercises/_form.html.slim

@@ -23,6 +23,10 @@
     label
       = f.check_box(:public)
       = t('activerecord.attributes.exercise.public')
+  .checkbox
+    label
+      = f.check_box(:hide_file_tree)
+      = t('activerecord.attributes.exercise.hide_file_tree')
   h2 = t('activerecord.attributes.exercise.files')
   ul#files.list-unstyled
     = f.fields_for :files do |files_form|

app/views/exercises/implement.html.slim

@@ -13,19 +13,15 @@
     #development-environment
       ul.nav.nav-justified.nav-tabs role='tablist'
         li.active
-          a data-placement='top' data-toggle='tab' data-tooltip=true href='#instructions' role='tab' title=t('shared.tooltips.shortcut', shortcut: 'ALT + 1')
-            i.fa.fa-question
-            = t('activerecord.attributes.exercise.instructions')
-        li
-          a data-placement='top' data-toggle='tab' data-tooltip=true href='#workspace' role='tab' title=t('shared.tooltips.shortcut', shortcut: 'ALT + 2')
+          a data-placement='top' data-toggle='tab' data-tooltip=true href='#workspace' role='tab' title=t('shared.tooltips.shortcut', shortcut: 'ALT + 1')
             i.fa.fa-code
             = t('.workspace')
         li
-          a data-placement='top' data-toggle='tab' data-tooltip=true href='#outputInformation' role='tab' title=t('shared.tooltips.shortcut', shortcut: 'ALT + 3')
+          a data-placement='top' data-toggle='tab' data-tooltip=true href='#outputInformation' role='tab' title=t('shared.tooltips.shortcut', shortcut: 'ALT + 2')
             i.fa.fa-terminal
             = t('.output')
         li
-          a data-placement='top' data-toggle='tab' data-tooltip=true href='#progress' role='tab' title=t('shared.tooltips.shortcut', shortcut: 'ALT + 4')
+          a data-placement='top' data-toggle='tab' data-tooltip=true href='#progress' role='tab' title=t('shared.tooltips.shortcut', shortcut: 'ALT + 3')
             i.fa.fa-line-chart
             = t('.progress')
 
@@ -46,6 +42,7 @@
               .panel-heading = t('.hint')
               .panel-body
           .row
+            / #output-col1.col-sm-12
             #output-col1
               // todo set to full width if turtle isnt used
               #prompt.input-group.hidden

app/views/exercises/show.html.slim

@@ -14,6 +14,7 @@ h1
 = row(label: 'exercise.team', value: @exercise.team ? link_to(@exercise.team, @exercise.team) : nil)
 = row(label: 'exercise.maximum_score', value: @exercise.maximum_score)
 = row(label: 'exercise.public', value: @exercise.public?)
+= row(label: 'exercise.hide_file_tree', value: @exercise.hide_file_tree?)
 = row(label: 'exercise.embedding_parameters') do
   = content_tag(:input, nil, class: 'form-control', readonly: true, value: embedding_parameters(@exercise))
 

config/locales/de.yml

@@ -28,6 +28,7 @@ de:
         execution_environment: Ausführungsumgebung
         execution_environment_id: Ausführungsumgebung
         files: Dateien
+        hide_file_tree: Dateibaum verstecken
         instructions: Anweisungen
         maximum_score: Erreichbare Punktzahl
         public: Öffentlich

config/locales/en.yml

@@ -28,6 +28,7 @@ en:
         execution_environment: Execution Environment
         execution_environment_id: Execution Environment
         files: Files
+        hide_file_tree: Hide File Tree
         instructions: Instructions
         maximum_score: Maximum Score
         public: Public

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20150903152727) do
+ActiveRecord::Schema.define(version: 20150922125415) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -79,6 +79,7 @@ ActiveRecord::Schema.define(version: 20150903152727) do
     t.string   "user_type"
     t.string   "token"
     t.integer  "team_id"
+    t.boolean  "hide_file_tree"
   end
 
   create_table "external_users", force: true do |t|