old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  # django import
  from django import forms
  
  from django.core.urlresolvers import reverse
  from django.core.exceptions import ImproperlyConfigured
  
  from django.utils.safestring import mark_safe
  from django.utils.html import conditional_escape
  from django.utils.encoding import force_unicode
  
  from emencia.django.layout.designer.settings import MEDIA_URL
  
  
  class LayoutDesignerWidget(forms.Textarea):
      """
      """
  
      class Media:
          js = (
              MEDIA_URL + 'js/bewype-yui3-gallery/yui/yui.js',
              MEDIA_URL + 'js/layout.designer.js'
          )
  
          css = { 'all': (MEDIA_URL + 'css/layout.designer.css',) }
  
      def render(self, name, value, attrs={}):
          if value is None: value = ''
          final_attrs = self.build_attrs(attrs, name=name)
          return mark_safe(u'''<div id='%s' class='yui3-skin-sam'>%s</div><br/>
  <center><a id="designer_preview" href="#">Preview</a></center><br/>
  <input id="content_id" "type="hidden" value="%s" name="content_id"/>
  <input id="upload_url" "type="hidden" value="%s" name="content_id"/>
  <input id="file_static_path" "type="hidden" value="%s" name="content_id"/>''' % (
      final_attrs['id'], force_unicode(value),
      final_attrs['id'], reverse('layout_designer_upload'),
      MEDIA_URL + 'uploads/'))
  
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  # django import
  from django import forms
  
  from django.core.urlresolvers import reverse
  from django.core.exceptions import ImproperlyConfigured
  
  from django.utils.safestring import mark_safe
  from django.utils.html import conditional_escape
  from django.utils.encoding import force_unicode
  
  from emencia.django.layout.designer.settings import MEDIA_URL
  
  
  class LayoutDesignerWidget(forms.Textarea):
      """
      """
  
      class Media:
          js = (
              MEDIA_URL + 'js/bewype-yui3-gallery/yui/yui.js',
              MEDIA_URL + 'js/layout.designer.js'
          )
  
          css = { 'all': (MEDIA_URL + 'css/layout.designer.css',) }
  
      def render(self, name, value, attrs={}):
          if value is None: value = ''
          final_attrs = self.build_attrs(attrs, name=name)
          return mark_safe(u'''<div id='%s' class='yui3-skin-sam'>%s</div><br/>
  <center><a id="designer_preview" href="#">Preview</a></center><br/>
  <input id="content_id" type="hidden" value="%s" name="content_id"/>
  <input id="upload_url" type="hidden" value="%s" name="content_id"/>
  <input id="file_static_path" type="hidden" value="%s" name="content_id"/>''' % (
      final_attrs['id'], force_unicode(value),
      final_attrs['id'], reverse('layout_designer_upload'),
      MEDIA_URL + 'uploads/'))
  
  
subject: fix programming error