Drag and drop fixes

app/assets/javascripts/supplier/app/views/section/table_view.js.coffee

@@ -14,6 +14,7 @@ App.SectionTableView = Ember.View.extend DragNDrop.Draggable,
     "section-table-#{@get('content.id')}"
   ).property('content.id')
   offsetX: (->
+    debugger unless @get('dpm')
     (@get('dpm') || 0) * (@get('content.position_x') || 0)
   ).property('dpm', 'content.position_x')
   offsetY: (->
@@ -28,7 +29,7 @@ App.SectionTableView = Ember.View.extend DragNDrop.Draggable,
   style: Ember.computed 'offsetX', 'offsetY', 'myWidth', 'myHeight', ->
     "position:absolute;width:#{@get('myWidth')}px;height:#{@get('myHeight')}px;left:#{@get('offsetX')}px;top:#{@get('offsetY')}px"
 
-  draggable: (->  if @get('controller.editmode') then 'true' else 'false' ).property('controller.editmode')
+  draggable: Ember.computed.alias 'context.editmode'
   targetObject: Ember.computed.alias 'controller'
   placeInSection: ->
     @$el.css 'left', @offsetX()
@@ -37,11 +38,11 @@ App.SectionTableView = Ember.View.extend DragNDrop.Draggable,
     dpm = @get('dpm')
     return if !dpm or parseFloat(dpm) is 0
 
-    @content.setProperties
+    @get('content').setProperties
       position_x: position.left / dpm
       position_y: position.top / dpm
-    @content.save()
-  dpm: Ember.computed.alias 'parentView.dpm'
+    @get('content').save()
+  dpm: Ember.computed.alias 'tablesContext.dpm'
   didInsertElement: ->
     @$el = @$()
     @$('.table-actions').hide()