manager: add cell deletion

combo/manager/templates/combo/cell_form.html

@@ -6,7 +6,7 @@
   <p>There are no options for this cell</p>
 {% endif %}
 <div class="buttons">
-<a href="#">Delete</a> | <a class="close-button" href="#">Close</a>
+<a rel="popup" href="{% url 'combo-manager-page-delete-cell' page_pk=page.id cell_pk=cell.id %}">Delete</a> | <a class="close-button" href="#">Close</a>
 {% if form %}
 <button class="save">Save</button>
 {% endif %}

combo/manager/templates/combo/generic_confirm_delete.html

@@ -0,0 +1,17 @@
+{% extends "combo/manager_base.html" %}
+{% load i18n %}
+
+{% block appbar %}
+<h2>{{ view.model.get_verbose_name }}</h2>
+{% endblock %}
+
+{% block content %}
+<form method="post">
+  {% csrf_token %}
+  {% blocktrans %}Are you sure you want to delete this?{% endblocktrans %}
+  <div class="buttons">
+    <button>{% trans 'Confirm Deletion' %}</button>
+    <a class="cancel" href="{{ object.get_absolute_url }}">{% trans 'Cancel' %}</a>
+  </div>
+</form>
+{% endblock %}

combo/manager/urls.py

@@ -31,6 +31,8 @@ urlpatterns = patterns('combo.views',
             name='combo-manager-page-add-cell'),
         url(r'^pages/(?P<page_pk>\w+)/cell/(?P<cell_pk>\w+)/$', views.page_edit_cell,
             name='combo-manager-page-edit-cell'),
+        url(r'^pages/(?P<page_pk>\w+)/cell/(?P<cell_pk>\w+)/delete$', views.page_delete_cell,
+            name='combo-manager-page-delete-cell'),
         url(r'^pages/(?P<page_pk>\w+)/order$', views.cell_order,
             name='combo-manager-cell-order'),
         (r'^ckeditor/', include('ckeditor.urls')),

combo/manager/views.py

@@ -21,7 +21,7 @@ from django.forms import models as model_forms
 from django.http import HttpResponse, Http404
 from django.views.decorators.csrf import requires_csrf_token
 from django.views.generic import (TemplateView, RedirectView, DetailView,
-        CreateView, UpdateView, ListView)
+        CreateView, UpdateView, ListView, DeleteView)
 
 from combo.data.models import Page, CellBase
 
@@ -125,6 +125,23 @@ class PageEditCellView(UpdateView):
 page_edit_cell = PageEditCellView.as_view()
 
 
+class PageDeleteCellView(DeleteView):
+    template_name = 'combo/generic_confirm_delete.html'
+
+    def get_object(self, queryset=None):
+        page_pk = self.kwargs.get('page_pk')
+        cell_pk = self.kwargs.get('cell_pk')
+        try:
+            return CellBase.objects.get_subclass(id=cell_pk, page_id=page_pk)
+        except CellBase.DoesNotExist:
+            raise Http404()
+
+    def get_success_url(self):
+        return reverse('combo-manager-page-view', kwargs={'pk': self.kwargs.get('page_pk')})
+
+page_delete_cell = PageDeleteCellView.as_view()
+
+
 def cell_order(request, page_pk):
     for cell in CellBase.objects.filter(page_id=page_pk):
         old_order = cell.order