From ebba6d3795076c4e06ac6fc66079013cd2bd16dc Mon Sep 17 00:00:00 2001
From: Arvind Tiwari <tiwariav@gmail.com>
Date: Thu, 12 Apr 2018 08:56:24 +0530
Subject: [PATCH] cms page extension favicon

---
 datacenterlight/admin.py                      |  8 ++++-
 datacenterlight/cms_models.py                 | 11 ++++++-
 datacenterlight/cms_toolbar.py                | 24 +++++++++++++++
 .../migrations/0019_cmsfaviconextension.py    | 29 +++++++++++++++++++
 .../templates/datacenterlight/cms/base.html   | 12 +++++---
 5 files changed, 78 insertions(+), 6 deletions(-)
 create mode 100644 datacenterlight/cms_toolbar.py
 create mode 100644 datacenterlight/migrations/0019_cmsfaviconextension.py

diff --git a/datacenterlight/admin.py b/datacenterlight/admin.py
index acb93fff..b8dc2f32 100644
--- a/datacenterlight/admin.py
+++ b/datacenterlight/admin.py
@@ -1,10 +1,16 @@
 from django.contrib import admin
 from cms.admin.placeholderadmin import PlaceholderAdminMixin
-from .cms_models import CMSIntegration
+from cms.extensions import PageExtensionAdmin
+from .cms_models import CMSIntegration, CMSFaviconExtension
 
 
 class CMSIntegrationAdmin(PlaceholderAdminMixin, admin.ModelAdmin):
     list_display = ('name', 'domain')
 
 
+class CMSFaviconExtensionAdmin(PageExtensionAdmin):
+    pass
+
+
 admin.site.register(CMSIntegration, CMSIntegrationAdmin)
+admin.site.register(CMSFaviconExtension, CMSFaviconExtensionAdmin)
diff --git a/datacenterlight/cms_models.py b/datacenterlight/cms_models.py
index 9eb55e0c..4aec69b1 100644
--- a/datacenterlight/cms_models.py
+++ b/datacenterlight/cms_models.py
@@ -1,9 +1,12 @@
+from cms.extensions import PageExtension
+from cms.extensions.extension_pool import extension_pool
 from cms.models.fields import PlaceholderField
 from cms.models.pluginmodel import CMSPlugin
 from django.contrib.sites.models import Site
 from django.db import models
 from django.utils.safestring import mark_safe
 from djangocms_text_ckeditor.fields import HTMLField
+from filer.fields.file import FilerFileField
 from filer.fields.image import FilerImageField
 
 
@@ -30,9 +33,15 @@ class CMSIntegration(models.Model):
         return self.name
 
 
-# Models for CMS Plugins
+class CMSFaviconExtension(PageExtension):
+    favicon = FilerFileField(related_name="cms_favicon_image")
 
 
+extension_pool.register(CMSFaviconExtension)
+
+
+# Models for CMS Plugins
+
 class DCLSectionPluginModel(CMSPlugin):
     heading = models.CharField(
         blank=True, null=True, max_length=100,
diff --git a/datacenterlight/cms_toolbar.py b/datacenterlight/cms_toolbar.py
new file mode 100644
index 00000000..15a8cb4b
--- /dev/null
+++ b/datacenterlight/cms_toolbar.py
@@ -0,0 +1,24 @@
+from cms.extensions.toolbar import ExtensionToolbar
+from cms.toolbar_pool import toolbar_pool
+from django.utils.translation import ugettext_lazy as _
+
+from .cms_models import CMSFaviconExtension
+
+
+@toolbar_pool.register
+class CMSFaviconExtensionToolbar(ExtensionToolbar):
+    # defineds the model for the current toolbar
+    model = CMSFaviconExtension
+
+    def populate(self):
+        # setup the extension toolbar with permissions and sanity checks
+        current_page_menu = self._setup_extension_toolbar()
+        # if it's all ok
+        if current_page_menu:
+            # retrieves the instance of the current extension (if any) and the toolbar item url
+            page_extension, url = self.get_page_extension_admin()
+            if url:
+                # adds a toolbar item
+                current_page_menu.add_modal_item(
+                    _('CMS Favicon'), url=url, disabled=not self.toolbar.edit_mode
+                )
diff --git a/datacenterlight/migrations/0019_cmsfaviconextension.py b/datacenterlight/migrations/0019_cmsfaviconextension.py
new file mode 100644
index 00000000..7b350a70
--- /dev/null
+++ b/datacenterlight/migrations/0019_cmsfaviconextension.py
@@ -0,0 +1,29 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.4 on 2018-04-12 03:16
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+import filer.fields.file
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('datacenterlight', '0018_auto_20180403_1930'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='CMSFaviconExtension',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('extended_object', models.OneToOneField(editable=False, on_delete=django.db.models.deletion.CASCADE, to='cms.Page')),
+                ('favicon', filer.fields.file.FilerFileField(on_delete=django.db.models.deletion.CASCADE, related_name='cms_favicon_image', to='filer.File')),
+                ('public_extension', models.OneToOneField(editable=False, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='draft_extension', to='datacenterlight.CMSFaviconExtension')),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+    ]
diff --git a/datacenterlight/templates/datacenterlight/cms/base.html b/datacenterlight/templates/datacenterlight/cms/base.html
index 0c356735..942a0ad4 100644
--- a/datacenterlight/templates/datacenterlight/cms/base.html
+++ b/datacenterlight/templates/datacenterlight/cms/base.html
@@ -8,9 +8,9 @@
     <meta charset="utf-8">
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport" content="width=device-width, initial-scale=1">
-    <meta name="description" content="Data Center Light by ungleich">
+    <meta name="description" content="{% page_attribute 'meta_description' %}">
     <meta name="author" content="ungleich glarus ag">
-    <title>{% page_attribute page_title %}</title>
+    <title>{% page_attribute "page_title" %}</title>
 
     <!-- Vendor CSS -->
     <!-- Bootstrap Core CSS -->
@@ -30,7 +30,11 @@
     <!-- External Fonts -->
     <link href="//fonts.googleapis.com/css?family=Lato:300,400,600,700" rel="stylesheet" type="text/css">
 
-    <link rel="shortcut icon" href="{% static 'datacenterlight/img/favicon.ico' %}" type="image/x-icon">
+    {% if request.current_page.cmsfaviconextension %}
+        <link rel="shortcut icon" href="{% static request.current_page.cmsfaviconextension.favicon.url %}" type="image/x-icon">
+    {% else %}
+        <link rel="shortcut icon" href="{% static 'datacenterlight/img/favicon.ico' %}" type="image/x-icon">
+    {% endif %}
 
     <!-- HTML5 Shim and Respond.js IE8 support of HTML5 elements and media queries -->
     <!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
@@ -52,7 +56,7 @@
     {% placeholder 'Datacenterlight Header' or %}
         <div class="dcl-header">
             <div class="container">
-                <h1>{% page_attribute page_title %}</h1>
+                <h1>{% page_attribute "page_title" %}</h1>
             </div>
         </div>
     {% endplaceholder %}