Reduced code duplication in creating page headers

The same line of code to add a page title to a template was repeated in many templates, this patch moves that line into the base.html, and also tries to standardize the way page titles are defined in the python. Change-Id: I11367d3007ebae727ba45446076a31307d477995 Closes-Bug: 1399840
2014-12-18 10:21:22 +00:00 · 2014-12-18 10:21:22 +00:00 · 1934a7eaa8
commit 1934a7eaa8
parent c7123d3f57
40 changed files with 151 additions and 136 deletions
--- a/horizon/forms/views.py
+++ b/horizon/forms/views.py
@ -18,9 +18,9 @@ import os
 from django.conf import settings
 from django import http
 from django.utils.translation import ugettext_lazy as _
-from django.views import generic

 from horizon import exceptions
+from horizon import views


 ADD_TO_FIELD_HEADER = "HTTP_X_HORIZON_ADD_TO_FIELD"
@ -77,7 +77,7 @@ class ModalFormMixin(object):
        return context


-class ModalFormView(ModalBackdropMixin, ModalFormMixin, generic.FormView):
+class ModalFormView(ModalBackdropMixin, ModalFormMixin, views.HorizonFormView):
    """The main view class from which all views which handle forms in Horizon
    should inherit. It takes care of all details with processing
    :class:`~horizon.forms.base.SelfHandlingForm` classes, and modal concerns
--- a/horizon/tables/views.py
+++ b/horizon/tables/views.py
@ -15,7 +15,8 @@
 from collections import defaultdict

 from django import shortcuts
-from django.views import generic
+
+from horizon import views

 from horizon.templatetags.horizon import has_permissions  # noqa

@ -125,7 +126,7 @@ class MultiTableMixin(object):
        return handled


-class MultiTableView(MultiTableMixin, generic.TemplateView):
+class MultiTableView(MultiTableMixin, views.HorizonTemplateView):
    """A class-based generic view to handle the display and processing of
    multiple :class:`~horizon.tables.DataTable` classes in a single view.

@ -136,6 +137,7 @@ class MultiTableView(MultiTableMixin, generic.TemplateView):
    which returns a set of data for that table; and specify a template for
    the ``template_name`` attribute.
    """
+
    def construct_tables(self):
        tables = self.get_tables().values()
        # Early out before data is loaded
--- a/horizon/tabs/views.py
+++ b/horizon/tabs/views.py
@ -11,14 +11,14 @@
 # under the License.

 from django import http
-from django.views import generic

 from horizon import exceptions
 from horizon import tables
 from horizon.tabs.base import TableTab  # noqa
+from horizon import views


-class TabView(generic.TemplateView):
+class TabView(views.HorizonTemplateView):
    """A generic class-based view for displaying a
    :class:`horizon.tabs.TabGroup`.

--- a/horizon/templates/base.html
+++ b/horizon/templates/base.html
@ -33,7 +33,9 @@
          <div id='content_body'>
            <div class="row">
              <div class="col-xs-12">
-                {% block page_header %}{% endblock %}
+                {% block page_header %}
+                  {% include "horizon/common/_page_header.html" with title=page_title %}
+                {% endblock %}
                {% block main %}{% endblock %}
              </div>
            </div>
--- a/horizon/test/tests/views.py
+++ b/horizon/test/tests/views.py
@ -0,0 +1,92 @@
+# Copyright 2015 Cisco Systems, Inc.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+
+from horizon.test import helpers as test
+from horizon import views
+
+from django import forms
+from django.test import client
+from django.views import generic
+
+FAKENAME = "FakeName"
+
+
+class ViewData(object):
+
+    template_name = 'fake'
+
+    def get_context_data(self, **kwargs):
+        context = super(ViewData, self).get_context_data(**kwargs)
+        context['object'] = {'name': 'myName'}
+        return context
+
+
+class PageWithNoTitle(ViewData, views.HorizonTemplateView):
+    pass
+
+
+class PageWithTitle(ViewData, views.HorizonTemplateView):
+    page_title = "A Title"
+
+
+class PageWithTitleData(ViewData, views.HorizonTemplateView):
+    page_title = "A Title: {{ object.name }}"
+
+
+class FormWithTitle(ViewData, views.HorizonFormView):
+    form_class = forms.Form
+    page_title = "A Title: {{ object.name }}"
+
+
+class ViewWithTitle(views.PageTitleMixin, generic.TemplateView):
+    page_title = "Fake"
+
+
+class PageTitleTests(test.TestCase):
+
+    def setUp(self):
+        super(PageTitleTests, self).setUp()
+        self.request = client.RequestFactory().get('fake')
+
+    def _dispatch(self, viewClass):
+        p = viewClass()
+        p.request = self.request
+        return p.dispatch(self.request)
+
+    def test_render_title(self):
+        tm = ViewWithTitle()
+        context = tm.render_title({})
+        self.assertEqual("Fake", context['page_title'])
+
+    def test_render_title_override(self):
+        tm = ViewWithTitle()
+        context = tm.render_title({'page_title': "ekaF"})
+        self.assertEqual("ekaF", context['page_title'])
+
+    def test_no_title_set(self):
+        res = self._dispatch(PageWithNoTitle)
+        self.assertEqual("", res.context_data['page_title'])
+
+    def test_title_set(self):
+        res = self._dispatch(PageWithTitle)
+        self.assertEqual("A Title", res.context_data['page_title'])
+
+    def test_title_with_data(self):
+        res = self._dispatch(PageWithTitleData)
+        self.assertEqual("A Title: myName", res.context_data['page_title'])
+
+    def test_form_with_title(self):
+        res = self._dispatch(FormWithTitle)
+        self.assertEqual("A Title: myName", res.context_data['page_title'])
--- a/horizon/views.py
+++ b/horizon/views.py
@ -13,18 +13,44 @@
 #    under the License.

 from django import shortcuts
+from django import template
 from django.views import generic

 import horizon
 from horizon import exceptions


+class PageTitleMixin(object):
+    page_title = ""
+
+    def render_title(self, context):
+        if "page_title" not in context:
+            con = template.Context(context)
+            # NOTE(sambetts): Cast to unicode to ensure lazy translations
+            # are handled correctly.
+            temp = template.Template(unicode(self.page_title))
+            context["page_title"] = temp.render(con)
+        return context
+
+    def render_to_response(self, context):
+        context = self.render_title(context)
+        return super(PageTitleMixin, self).render_to_response(context)
+
+
+class HorizonTemplateView(PageTitleMixin, generic.TemplateView):
+    pass
+
+
+class HorizonFormView(PageTitleMixin, generic.FormView):
+    pass
+
+
 def user_home(request):
    """Reversible named view to direct a user to the appropriate homepage."""
    return shortcuts.redirect(horizon.get_user_home(request.user))


-class APIView(generic.TemplateView):
+class APIView(HorizonTemplateView):
    """A quick class-based view for putting API data into a template.

    Subclasses must define one method, ``get_data``, and a template name
@ -34,6 +60,7 @@ class APIView(generic.TemplateView):
    the :func:`horizon.exceptions.handle` error handler if not otherwise
    caught.
    """
+
    def get_data(self, request, context, *args, **kwargs):
        """This method should handle any necessary API calls, update the
        context object, and return the context object at the end.
--- a/openstack_dashboard/dashboards/admin/metadata_defs/templates/metadata_defs/detail.html
+++ b/openstack_dashboard/dashboards/admin/metadata_defs/templates/metadata_defs/detail.html
@ -3,10 +3,6 @@

 {% block title %}{% trans "Namespace Details" %}{% endblock %}

-{% block page_header %}
-  {% include "horizon/common/_page_header.html" with title=_("Namespace Details: ")|add:namespace.namespace|default:_("None") %}
-{% endblock page_header %}
-
 {% block main %}
  <div class="row">
    <div class="col-sm-12">
--- a/openstack_dashboard/dashboards/admin/metadata_defs/views.py
+++ b/openstack_dashboard/dashboards/admin/metadata_defs/views.py
@ -86,9 +86,9 @@ class CreateView(forms.ModalFormView):

 class DetailView(tabs.TabView):
    redirect_url = constants.METADATA_INDEX_URL
-
    tab_group_class = admin_tabs.NamespaceDetailTabs
    template_name = constants.METADATA_DETAIL_TEMPLATE
+    page_title = _("Namespace Details: {{ namespace.namespace }}")

    def get_context_data(self, **kwargs):
        context = super(DetailView, self).get_context_data(**kwargs)
--- a/openstack_dashboard/dashboards/admin/overview/templates/overview/usage.html
+++ b/openstack_dashboard/dashboards/admin/overview/templates/overview/usage.html
@ -2,10 +2,6 @@
 {% load i18n %}
 {% block title %}{% trans "Usage Overview" %}{% endblock %}

-{% block page_header %}
-  {% include "horizon/common/_page_header.html" with title=_("Overview") %}
-{% endblock page_header %}
-
 {% block main %}
  {% if monitoring %}
    <div id="monitoring">
--- a/openstack_dashboard/dashboards/admin/volumes/templates/volumes/volumes/detail.html
+++ b/openstack_dashboard/dashboards/admin/volumes/templates/volumes/volumes/detail.html
@ -2,10 +2,6 @@
 {% load i18n %}
 {% block title %}{% trans "Volume Details" %}{% endblock %}

-{% block page_header %}
-  {% include "horizon/common/_page_header.html" with title=page_title %}
-{% endblock page_header %}
-
 {% block main %}
 <div class="row">
  <div class="col-sm-12">
--- a/openstack_dashboard/dashboards/admin/volumes/volumes/views.py
+++ b/openstack_dashboard/dashboards/admin/volumes/volumes/views.py
@ -28,14 +28,6 @@ from openstack_dashboard.dashboards.project.volumes.volumes \
 class DetailView(volumes_views.DetailView):
    template_name = "admin/volumes/volumes/detail.html"

-    def get_context_data(self, **kwargs):
-        context = super(DetailView, self).get_context_data(**kwargs)
-        volume = context["volume"]
-        context["page_title"] = _("Volume Details: "
-                                  "%(volume_name)s") % {'volume_name':
-                                                        volume.name}
-        return context
-
    def get_redirect_url(self):
        return reverse('horizon:admin:volumes:index')

--- a/openstack_dashboard/dashboards/identity/groups/templates/groups/manage.html
+++ b/openstack_dashboard/dashboards/identity/groups/templates/groups/manage.html
@ -2,10 +2,6 @@
 {% load i18n %}
 {% block title %}{% trans 'Group Management' %}{% endblock %}

-{% block page_header %}
-  {% include "horizon/common/_page_header.html" with title=page_title %}
-{% endblock page_header %}
-
 {% block main %}
    {{ group_members_table.render }}
 {% endblock %}
--- a/openstack_dashboard/dashboards/identity/groups/views.py
+++ b/openstack_dashboard/dashboards/identity/groups/views.py
@ -120,14 +120,11 @@ class GroupManageMixin(object):
 class ManageMembersView(GroupManageMixin, tables.DataTableView):
    table_class = project_tables.GroupMembersTable
    template_name = constants.GROUPS_MANAGE_VIEW_TEMPLATE
+    page_title = _("Group Management: {{ group.name }}")

    def get_context_data(self, **kwargs):
        context = super(ManageMembersView, self).get_context_data(**kwargs)
-        group = self._get_group()
-        context['group'] = group
-        context['page_title'] = _("Group Management: "
-                                  "%(group_name)s") % {'group_name':
-                                                       group.name}
+        context['group'] = self._get_group()
        return context

    def get_data(self):
--- a/openstack_dashboard/dashboards/project/access_and_security/security_groups/views.py
+++ b/openstack_dashboard/dashboards/project/access_and_security/security_groups/views.py
@ -40,6 +40,8 @@ from openstack_dashboard.dashboards.project.access_and_security.\
 class DetailView(tables.DataTableView):
    table_class = project_tables.RulesTable
    template_name = 'project/access_and_security/security_groups/detail.html'
+    page_title = _("Manage Security Group Rules: "
+                   "{{ security_group.name }} ({{ security_group.id }})")

    @memoized.memoized_method
    def _get_data(self):
@ -61,13 +63,7 @@ class DetailView(tables.DataTableView):

    def get_context_data(self, **kwargs):
        context = super(DetailView, self).get_context_data(**kwargs)
-        security_group = self._get_data()
-        security_group_name_id = "%s (%s)" % (security_group.name,
-                                              security_group.id)
-        context["security_group"] = security_group
-        context["page_title"] = _(
-            "Manage Security Group Rules: %(security_group)s") % {
-            'security_group': security_group_name_id}
+        context["security_group"] = self._get_data()
        return context


--- a/openstack_dashboard/dashboards/project/access_and_security/templates/access_and_security/security_groups/detail.html
+++ b/openstack_dashboard/dashboards/project/access_and_security/templates/access_and_security/security_groups/detail.html
@ -2,10 +2,6 @@
 {% load i18n %}
 {% block title %}{% trans "Manage Security Group Rules" %}{% endblock %}

-{% block page_header %}
-  {% include "horizon/common/_page_header.html" with title=page_title %}
-{% endblock page_header %}
-
 {% block main %}
 <div class="row">
  <div class="col-sm-12">
--- a/openstack_dashboard/dashboards/project/database_backups/templates/database_backups/details.html
+++ b/openstack_dashboard/dashboards/project/database_backups/templates/database_backups/details.html
@ -2,10 +2,6 @@
 {% load i18n sizeformat %}
 {% block title %}{% trans "Backup Details" %}{% endblock %}

-{% block page_header %}
-  {% include "horizon/common/_page_header.html" with title=page_title %}
-{% endblock page_header %}
-
 {% block main %}
 <div class="row">
  <div class="col-sm-12">
--- a/openstack_dashboard/dashboards/project/database_backups/views.py
+++ b/openstack_dashboard/dashboards/project/database_backups/views.py
@ -75,6 +75,7 @@ class BackupView(horizon_workflows.WorkflowView):

 class DetailView(horizon_views.APIView):
    template_name = "project/database_backups/details.html"
+    page_title = _("Backup Details: {{ backup.name }}")

    def get_data(self, request, context, *args, **kwargs):
        backup_id = kwargs.get("backup_id")
@ -103,8 +104,4 @@ class DetailView(horizon_views.APIView):
            instance = None
        context['backup'] = backup
        context['instance'] = instance
-        context['page_title'] = _("Backup Details: "
-                                  "%(backup_name)s") % {'backup_name':
-                                                        backup.name}
-
        return context
--- a/openstack_dashboard/dashboards/project/databases/templates/databases/detail.html
+++ b/openstack_dashboard/dashboards/project/databases/templates/databases/detail.html
@ -2,10 +2,6 @@
 {% load i18n sizeformat %}
 {% block title %}{% trans "Instance Details" %}{% endblock %}

-{% block page_header %}
-  {% include "horizon/common/_page_header.html" with title=page_title %}
-{% endblock page_header %}
-
 {% block main %}
 <div class="row">
  <div class="col-sm-12">
--- a/openstack_dashboard/dashboards/project/databases/views.py
+++ b/openstack_dashboard/dashboards/project/databases/views.py
@ -96,6 +96,7 @@ class LaunchInstanceView(horizon_workflows.WorkflowView):
 class DetailView(horizon_tabs.TabbedTableView):
    tab_group_class = tabs.InstanceDetailTabs
    template_name = 'project/databases/detail.html'
+    page_title = _("Instance Details: {{ instance.name }}")

    def get_context_data(self, **kwargs):
        context = super(DetailView, self).get_context_data(**kwargs)
@ -104,9 +105,6 @@ class DetailView(horizon_tabs.TabbedTableView):
        context["instance"] = instance
        context["url"] = self.get_redirect_url()
        context["actions"] = table.render_row_actions(instance)
-        context["page_title"] = _("Instance Details: "
-                                  "%(instance_name)s") % {'instance_name':
-                                                          instance.name}
        return context

    @memoized.memoized_method
--- a/openstack_dashboard/dashboards/project/firewalls/templates/firewalls/updatefirewall.html
+++ b/openstack_dashboard/dashboards/project/firewalls/templates/firewalls/updatefirewall.html
@ -2,10 +2,6 @@
 {% load i18n %}
 {% block title %}{% trans "Edit Firewall" %}{% endblock %}

-{% block page_header %}
-  {% include "horizon/common/_page_header.html" with title=page_title %}
-{% endblock page_header %}
-
 {% block main %}
  {% include 'project/firewalls/_updatefirewall.html' %}
 {% endblock %}
--- a/openstack_dashboard/dashboards/project/firewalls/templates/firewalls/updatepolicy.html
+++ b/openstack_dashboard/dashboards/project/firewalls/templates/firewalls/updatepolicy.html
@ -2,10 +2,6 @@
 {% load i18n %}
 {% block title %}{% trans "Edit Policy" %}{% endblock %}

-{% block page_header %}
-  {% include "horizon/common/_page_header.html" with title=page_title %}
-{% endblock page_header %}
-
 {% block main %}
  {% include 'project/firewalls/_updatepolicy.html' %}
 {% endblock %}
--- a/openstack_dashboard/dashboards/project/firewalls/templates/firewalls/updaterule.html
+++ b/openstack_dashboard/dashboards/project/firewalls/templates/firewalls/updaterule.html
@ -2,10 +2,6 @@
 {% load i18n %}
 {% block title %}{% trans "Edit Rule" %}{% endblock %}

-{% block page_header %}
-  {% include "horizon/common/_page_header.html" with title=page_title %}
-{% endblock page_header %}
-
 {% block main %}
  {% include 'project/firewalls/_updaterule.html' %}
 {% endblock %}
--- a/openstack_dashboard/dashboards/project/firewalls/views.py
+++ b/openstack_dashboard/dashboards/project/firewalls/views.py
@ -121,12 +121,12 @@ class UpdateRuleView(forms.ModalFormView):
    template_name = "project/firewalls/updaterule.html"
    context_object_name = 'rule'
    success_url = reverse_lazy("horizon:project:firewalls:index")
+    page_title = _("Edit Rule")

    def get_context_data(self, **kwargs):
        context = super(UpdateRuleView, self).get_context_data(**kwargs)
        context['rule_id'] = self.kwargs['rule_id']
        obj = self._get_object()
-        context['page_title'] = _("Edit Rule")
        if obj:
            context['name'] = obj.name_or_id
            context['page_title'] = _("Edit Rule "
@ -159,12 +159,12 @@ class UpdatePolicyView(forms.ModalFormView):
    template_name = "project/firewalls/updatepolicy.html"
    context_object_name = 'policy'
    success_url = reverse_lazy("horizon:project:firewalls:index")
+    page_title = _("Edit Policy")

    def get_context_data(self, **kwargs):
        context = super(UpdatePolicyView, self).get_context_data(**kwargs)
        context["policy_id"] = self.kwargs['policy_id']
        obj = self._get_object()
-        context['page_title'] = _("Edit Policy")
        if obj:
            context['name'] = obj.name_or_id
            context['page_title'] = _("Edit Policy %s") % obj.name
@ -192,12 +192,12 @@ class UpdateFirewallView(forms.ModalFormView):
    template_name = "project/firewalls/updatefirewall.html"
    context_object_name = 'firewall'
    success_url = reverse_lazy("horizon:project:firewalls:index")
+    page_title = _("Edit Firewall")

    def get_context_data(self, **kwargs):
        context = super(UpdateFirewallView, self).get_context_data(**kwargs)
        context["firewall_id"] = self.kwargs['firewall_id']
        obj = self._get_object()
-        context['page_title'] = _("Edit Firewall")
        if obj:
            context['name'] = obj.name
            context['page_title'] = _("Edit Firewall %s") % obj.name
--- a/openstack_dashboard/dashboards/project/images/images/views.py
+++ b/openstack_dashboard/dashboards/project/images/images/views.py
@ -83,6 +83,7 @@ class UpdateView(forms.ModalFormView):
 class DetailView(tabs.TabView):
    tab_group_class = project_tabs.ImageDetailTabs
    template_name = 'project/images/images/detail.html'
+    page_title = _("Image Details: {{ image.name }}")

    def get_context_data(self, **kwargs):
        context = super(DetailView, self).get_context_data(**kwargs)
@ -91,9 +92,6 @@ class DetailView(tabs.TabView):
        context["image"] = image
        context["url"] = self.get_redirect_url()
        context["actions"] = table.render_row_actions(image)
-        context["page_title"] = _("Image Details: "
-                                  "%(image_name)s") % {'image_name':
-                                                       image.name}
        return context

    @staticmethod
--- a/openstack_dashboard/dashboards/project/images/templates/images/images/detail.html
+++ b/openstack_dashboard/dashboards/project/images/templates/images/images/detail.html
@ -3,10 +3,6 @@

 {% block title %}{% trans "Image Details"%}{% endblock %}

-{% block page_header %}
-  {% include "horizon/common/_page_header.html" with title=page_title %}
-{% endblock page_header %}
-
 {% block main %}
 <div class="row">
  <div class="col-sm-12">
--- a/openstack_dashboard/dashboards/project/instances/templates/instances/detail.html
+++ b/openstack_dashboard/dashboards/project/instances/templates/instances/detail.html
@ -2,10 +2,6 @@
 {% load i18n sizeformat %}
 {% block title %}{% trans "Instance Details" %}{% endblock %}

-{% block page_header %}
-  {% include "horizon/common/_page_header.html" with title=page_title %}
-{% endblock page_header %}
-
 {% block main %}
 <div class="row">
  <div class="col-sm-12">
--- a/openstack_dashboard/dashboards/project/instances/views.py
+++ b/openstack_dashboard/dashboards/project/instances/views.py
@ -252,6 +252,7 @@ class DetailView(tabs.TabView):
    tab_group_class = project_tabs.InstanceDetailTabs
    template_name = 'project/instances/detail.html'
    redirect_url = 'horizon:project:instances:index'
+    page_title = _("Instance Details: {{ instance.name }}")

    def get_context_data(self, **kwargs):
        context = super(DetailView, self).get_context_data(**kwargs)
@ -260,9 +261,6 @@ class DetailView(tabs.TabView):
        table = project_tables.InstancesTable(self.request)
        context["url"] = reverse(self.redirect_url)
        context["actions"] = table.render_row_actions(instance)
-        context["page_title"] = _("Instance Details: "
-                                  "%(instance_name)s") % {'instance_name':
-                                                          instance.name}
        return context

    @memoized.memoized_method
--- a/openstack_dashboard/dashboards/project/networks/templates/networks/detail.html
+++ b/openstack_dashboard/dashboards/project/networks/templates/networks/detail.html
@ -2,10 +2,6 @@
 {% load i18n %}
 {% block title %}{% trans "Network Details"%}{% endblock %}

-{% block page_header %}
-  {% include "horizon/common/_page_header.html" with title=page_title %}
-{% endblock page_header %}
-
 {% block main %}
 <div class="row">
  <div class="col-sm-12">
--- a/openstack_dashboard/dashboards/project/networks/views.py
+++ b/openstack_dashboard/dashboards/project/networks/views.py
@ -94,6 +94,7 @@ class UpdateView(forms.ModalFormView):
 class DetailView(tables.MultiTableView):
    table_classes = (subnet_tables.SubnetsTable, port_tables.PortsTable)
    template_name = 'project/networks/detail.html'
+    page_title = _("Network Details: {{ network.name }}")

    def get_subnets_data(self):
        try:
@ -136,9 +137,6 @@ class DetailView(tables.MultiTableView):
        table = project_tables.NetworksTable(self.request)
        context["url"] = self.get_redirect_url()
        context["actions"] = table.render_row_actions(network)
-        context["page_title"] = _("Network Details: "
-                                  "%(network_name)s") % {'network_name':
-                                                         network.name}
        return context

    @staticmethod
--- a/openstack_dashboard/dashboards/project/overview/templates/overview/usage.html
+++ b/openstack_dashboard/dashboards/project/overview/templates/overview/usage.html
@ -2,10 +2,6 @@
 {% load i18n %}
 {% block title %}{% trans "Instance Overview" %}{% endblock %}

-{% block page_header %}
-  {% include "horizon/common/_page_header.html" with title=_("Overview") %}
-{% endblock page_header %}
-
 {% block main %}
  {% include "horizon/common/_limit_summary.html" %}

--- a/openstack_dashboard/dashboards/project/stacks/templates/stacks/detail.html
+++ b/openstack_dashboard/dashboards/project/stacks/templates/stacks/detail.html
@ -2,10 +2,6 @@
 {% load i18n sizeformat %}
 {% block title %}{% trans "Stack Details" %}{% endblock %}

-{% block page_header %}
-  {% include "horizon/common/_page_header.html" with title=page_title %}
-{% endblock page_header %}
-
 {% block main %}
 <div class="row">
  <div class="col-sm-12">
--- a/openstack_dashboard/dashboards/project/stacks/templates/stacks/resource.html
+++ b/openstack_dashboard/dashboards/project/stacks/templates/stacks/resource.html
@ -2,10 +2,6 @@
 {% load i18n sizeformat %}
 {% block title %}{% trans "Resource Details" %}{% endblock %}

-{% block page_header %}
-  {% include "horizon/common/_page_header.html" with title=page_title %}
-{% endblock page_header %}
-
 {% block main %}
 <div class="row">
  <div class="col-sm-12">
--- a/openstack_dashboard/dashboards/project/stacks/views.py
+++ b/openstack_dashboard/dashboards/project/stacks/views.py
@ -196,6 +196,7 @@ class EditStackView(CreateStackView):
 class DetailView(tabs.TabView):
    tab_group_class = project_tabs.StackDetailTabs
    template_name = 'project/stacks/detail.html'
+    page_title = _("Stack Details: {{ stack.stack_name }}")

    def get_context_data(self, **kwargs):
        context = super(DetailView, self).get_context_data(**kwargs)
@ -204,9 +205,6 @@ class DetailView(tabs.TabView):
        context["stack"] = stack
        context["url"] = self.get_redirect_url()
        context["actions"] = table.render_row_actions(stack)
-        context["page_title"] = _("Stack Details: "
-                                  "%(stack_name)s") % {'stack_name':
-                                                       stack.stack_name}
        return context

    @memoized.memoized_method
--- a/openstack_dashboard/dashboards/project/volumes/backups/views.py
+++ b/openstack_dashboard/dashboards/project/volumes/backups/views.py
@ -45,6 +45,7 @@ class CreateBackupView(forms.ModalFormView):
 class BackupDetailView(tabs.TabView):
    tab_group_class = backup_tabs.BackupDetailTabs
    template_name = 'project/volumes/backups/detail.html'
+    page_title = _("Volume Backup Details: {{ backup.name }}")

    def get_context_data(self, **kwargs):
        context = super(BackupDetailView, self).get_context_data(**kwargs)
@ -53,10 +54,6 @@ class BackupDetailView(tabs.TabView):
        context["backup"] = backup
        context["url"] = self.get_redirect_url()
        context["actions"] = table.render_row_actions(backup)
-        context["page_title"] = _("Volume Backup Details: "
-                                  "%(backup_name)s") % {'backup_name':
-                                                        backup.name}
-
        return context

    @memoized.memoized_method
--- a/openstack_dashboard/dashboards/project/volumes/snapshots/views.py
+++ b/openstack_dashboard/dashboards/project/volumes/snapshots/views.py
@ -61,6 +61,7 @@ class UpdateView(forms.ModalFormView):
 class DetailView(tabs.TabView):
    tab_group_class = vol_snapshot_tabs.SnapshotDetailTabs
    template_name = 'project/volumes/snapshots/detail.html'
+    page_title = _("Volume Snapshot Details: {{ snapshot.name }}")

    def get_context_data(self, **kwargs):
        context = super(DetailView, self).get_context_data(**kwargs)
@ -69,9 +70,6 @@ class DetailView(tabs.TabView):
        context["snapshot"] = snapshot
        context["url"] = self.get_redirect_url()
        context["actions"] = table.render_row_actions(snapshot)
-        context["page_title"] = _("Volume Snapshot Details: "
-                                  "%(snapshot_name)s") % {'snapshot_name':
-                                                          snapshot.name}
        return context

    @memoized.memoized_method
--- a/openstack_dashboard/dashboards/project/volumes/templates/volumes/backups/detail.html
+++ b/openstack_dashboard/dashboards/project/volumes/templates/volumes/backups/detail.html
@ -2,9 +2,6 @@
 {% load i18n %}
 {% block title %}{% trans "Volume Backup Details" %}{% endblock %}

-{% block page_header %}
-  {% include "horizon/common/_page_header.html" with title=page_title %}
-{% endblock page_header %}
 {% block main %}
 <div class="row">
  <div class="col-sm-12">
--- a/openstack_dashboard/dashboards/project/volumes/templates/volumes/snapshots/detail.html
+++ b/openstack_dashboard/dashboards/project/volumes/templates/volumes/snapshots/detail.html
@ -2,9 +2,6 @@
 {% load i18n %}
 {% block title %}{% trans "Volume Snapshot Details" %}{% endblock %}

-{% block page_header %}
-  {% include "horizon/common/_page_header.html" with title=page_title %}
-{% endblock page_header %}
 {% block main %}
 <div class="row">
  <div class="col-sm-12">
--- a/openstack_dashboard/dashboards/project/volumes/templates/volumes/volumes/detail.html
+++ b/openstack_dashboard/dashboards/project/volumes/templates/volumes/volumes/detail.html
@ -2,10 +2,6 @@
 {% load i18n %}
 {% block title %}{% trans "Volume Details" %}{% endblock %}

-{% block page_header %}
-  {% include "horizon/common/_page_header.html" with title=page_title %}
-{% endblock page_header %}
-
 {% block main %}
 <div class="row">
  <div class="col-sm-12">
--- a/openstack_dashboard/dashboards/project/volumes/volumes/views.py
+++ b/openstack_dashboard/dashboards/project/volumes/volumes/views.py
@ -43,6 +43,7 @@ from openstack_dashboard.dashboards.project.volumes \
 class DetailView(tabs.TabView):
    tab_group_class = project_tabs.VolumeDetailTabs
    template_name = 'project/volumes/volumes/detail.html'
+    page_title = _("Volume Details: {{ volume.name }}")

    def get_context_data(self, **kwargs):
        context = super(DetailView, self).get_context_data(**kwargs)
@ -51,10 +52,6 @@ class DetailView(tabs.TabView):
        context["volume"] = volume
        context["url"] = self.get_redirect_url()
        context["actions"] = table.render_row_actions(volume)
-        context["page_title"] = _("Volume Details: "
-                                  "%(volume_name)s") % {'volume_name':
-                                                        volume.name}
-
        return context

    @memoized.memoized_method
--- a/openstack_dashboard/usage/views.py
+++ b/openstack_dashboard/usage/views.py
@ -22,6 +22,7 @@ class UsageView(tables.DataTableView):
    usage_class = None
    show_terminated = True
    csv_template_name = None
+    page_title = _("Overview")

    def __init__(self, *args, **kwargs):
        super(UsageView, self).__init__(*args, **kwargs)
@ -72,6 +73,7 @@ class UsageView(tables.DataTableView):
            response_kwargs.setdefault("filename", "usage.csv")
        else:
            render_class = self.response_class
+        context = self.render_title(context)
        resp = render_class(request=self.request,
                            template=self.get_template_names(),
                            context=context,