Set up the rest of the component/system buttons and nav bars.

app/templates/editor/level/system/edit.jade

@@ -7,6 +7,8 @@ nav.navbar.navbar-default(role='navigation')
       a(href="#system-config-schema" data-toggle="tab") Config Schema
     li
       a(href="#system-settings" data-toggle="tab") Settings
+    li
+      a(href="#system-patches" data-toggle="tab" data-i18n="resources.patches")#system-patches-tab Patches
 
   ul.nav.navbar-nav.navbar-right
     li.dropdown
@@ -14,15 +16,15 @@ nav.navbar.navbar-default(role='navigation')
         span.glyphicon-chevron-down.glyphicon
       ul.dropdown-menu
         li.dropdown-header Actions
-        li#component-watch-button
-          a
+        li
+          a#system-watch-button
             span.watch
               span.glyphicon.glyphicon-eye-open
               span.spl Watch
             span.unwatch.secret
               span.glyphicon.glyphicon-eye-close
               span.spl Unwatch
-        li#patch-component-button
+        li#patch-system-button
           a(data-i18n="common.submit_patch") Submit Patch
         li#create-new-system
           a(data-i18n="editor.level_system_btn_new") Create New System
@@ -41,3 +43,5 @@ nav.navbar.navbar-default(role='navigation')
     #config-schema-treema
   .tab-pane#system-settings
     #edit-system-treema
+  .tab-pane#system-patches
+    .patches-view

app/views/editor/level/component/edit.coffee

@@ -1,7 +1,7 @@
 View = require 'views/kinds/CocoView'
-VersionHistoryView = require 'views/editor/component/versions_view'
 template = require 'templates/editor/level/component/edit'
 LevelComponent = require 'models/LevelComponent'
+VersionHistoryView = require 'views/editor/component/versions_view'
 PatchesView = require 'views/editor/patches_view'
 SaveVersionModal = require 'views/modal/save_version_modal'
 
@@ -12,9 +12,9 @@ module.exports = class LevelComponentEditView extends View
 
   events:
     'click #done-editing-component-button': 'endEditing'
-    'click #component-history-button': 'showVersionHistory'
     'click .nav a': (e) -> $(e.target).tab('show')
     'click #component-patches-tab': -> @patchesView.load()
+    'click #component-history-button': 'showVersionHistory'
     'click #patch-component-button': 'startPatchingComponent'
     'click #component-watch-button': 'toggleWatchComponent'
 
@@ -96,7 +96,7 @@ module.exports = class LevelComponentEditView extends View
     null
 
   showVersionHistory: (e) ->
-    versionHistoryView = new VersionHistoryView component:@levelComponent, @levelComponent.id
+    versionHistoryView = new VersionHistoryView {}, @levelComponent.id
     @openModalView versionHistoryView
     Backbone.Mediator.publish 'level:view-switched', e
     

app/views/editor/level/system/edit.coffee

@@ -1,6 +1,9 @@
 View = require 'views/kinds/CocoView'
 template = require 'templates/editor/level/system/edit'
 LevelSystem = require 'models/LevelSystem'
+VersionHistoryView = require 'views/editor/system/versions_view'
+PatchesView = require 'views/editor/patches_view'
+SaveVersionModal = require 'views/modal/save_version_modal'
 
 module.exports = class LevelSystemEditView extends View
   id: "editor-level-system-edit-view"
@@ -10,6 +13,10 @@ module.exports = class LevelSystemEditView extends View
   events:
     'click #done-editing-system-button': 'endEditing'
     'click .nav a': (e) -> $(e.target).tab('show')
+    'click #system-patches-tab': -> @patchesView.load()
+    'click #system-history-button': 'showVersionHistory'
+    'click #patch-system-button': 'startPatchingSystem'
+    'click #system-watch-button': 'toggleWatchSystem'
 
   constructor: (options) ->
     super options
@@ -26,6 +33,7 @@ module.exports = class LevelSystemEditView extends View
     @buildSettingsTreema()
     @buildConfigSchemaTreema()
     @buildCodeEditor()
+    @patchesView = @insertSubView(new PatchesView(@levelSystem), @$el.find('.patches-view'))
 
   buildSettingsTreema: ->
     data = _.pick @levelSystem.attributes, (value, key) => key in @editableSettings
@@ -88,6 +96,21 @@ module.exports = class LevelSystemEditView extends View
     Backbone.Mediator.publish 'level-system-editing-ended', levelSystem: @levelSystem
     null
 
+  showVersionHistory: (e) ->
+    versionHistoryView = new VersionHistoryView {}, @levelSystem.id
+    @openModalView versionHistoryView
+    Backbone.Mediator.publish 'level:view-switched', e
+
+  startPatchingSystem: (e) ->
+    @openModalView new SaveVersionModal({model:@levelSystem})
+    Backbone.Mediator.publish 'level:view-switched', e
+
+  toggleWatchSystem: ->
+    console.log 'toggle watch system?'
+    button = @$el.find('#system-watch-button')
+    @levelSystem.watch(button.find('.watch').is(':visible'))
+    button.find('> span').toggleClass('secret')
+
   destroy: ->
     @editor?.destroy()
     super()

app/views/editor/system/versions_view.coffee

@@ -0,0 +1,9 @@
+VersionsModalView = require 'views/modal/versions_modal'
+
+module.exports = class SystemVersionsView extends VersionsModalView
+  id: "editor-system-versions-view"
+  url: "/db/level.system/"
+  page: "system"
+
+  constructor: (options, @ID) ->
+    super options, ID, require 'models/LevelSystem'