Expose the INSTALLED_APPS to templates

Via a context processor.

EXTENDING.md

@@ -189,3 +189,16 @@ Example:
     {% extends "base.html" %}
     {% block extra_css %}<link rel="stylesheet" href="{% static "myapp/css/local.css" %}">{% endblock %}
     {% block extra_js %}<script>alert("So extra !");</script>{% endblock %}
+
+
+Menu items
+----------
+
+If you want to add your own links to the main coin menu (left sidebar); edit
+the *coin/templates/menu_items.html* adding a conditional like that :
+
+    {% if 'my_app' in INSTALLED_APPS %}
+    <li></li>
+    {% endif %}
+
+… That way, your links will display only if your app is enabled.

coin/context_processors.py

@@ -0,0 +1,7 @@
+from django.conf import settings
+
+
+def installed_apps(request):
+    """ Expose the settings INSTALLED_APPS to templates
+    """
+    return {'INSTALLED_APPS': settings.INSTALLED_APPS}

coin/settings.py

@@ -205,6 +205,7 @@ TEMPLATE_CONTEXT_PROCESSORS = (
     "django.core.context_processors.tz",
     "django.core.context_processors.request",
     "coin.isp_database.context_processors.branding",
+    "coin.context_processors.installed_apps",
     "django.contrib.messages.context_processors.messages")
 
 AUTH_USER_MODEL = 'members.Member'