Add nav_topbar signal

src/pretix/control/context.py

@@ -1,7 +1,7 @@
 from django.conf import settings
 from django.core.urlresolvers import Resolver404, get_script_prefix, resolve
 
-from .signals import html_head, nav_event
+from .signals import html_head, nav_event, nav_topbar
 from .utils.i18n import get_javascript_format, get_moment_locale
 
 
@@ -37,6 +37,11 @@ def contextprocessor(request):
     ctx['js_payment_weekdays_disabled'] = _js_payment_weekdays_disabled
     ctx['nav_event'] = _nav_event
 
+    _nav_topbar = []
+    for receiver, response in nav_topbar.send(request, request=request):
+        _nav_topbar += response
+    ctx['nav_topbar'] = _nav_topbar
+
     ctx['js_datetime_format'] = get_javascript_format('DATETIME_INPUT_FORMATS')
     ctx['js_date_format'] = get_javascript_format('DATE_INPUT_FORMATS')
     ctx['js_locale'] = get_moment_locale()

src/pretix/control/signals.py

@@ -28,7 +28,7 @@ nav_event = EventPluginSignal(
 )
 """
 This signal allows you to add additional views to the admin panel
-navigation. You will get the request as a keyword argument ``return``.
+navigation. You will get the request as a keyword argument ``request``.
 Receivers are expected to return a list of dictionaries. The dictionaries
 should contain at least the keys ``label`` and ``url``. You can also return
 a fontawesome icon name with the key ``icon``, it will  be respected depending
@@ -42,6 +42,24 @@ in pretix.
 As with all plugin signals, the ``sender`` keyword argument will contain the event.
 """
 
+nav_topbar = Signal(
+    providing_args=["request"]
+)
+"""
+This signal allows you to add additional views to the top navigation bar.
+You will get the request as a keyword argument ``return``.
+Receivers are expected to return a list of dictionaries. The dictionaries
+should contain at least the keys ``label`` and ``url``. You can also return
+a fontawesome icon name with the key ``icon``, it will be respected depending
+on the type of navigation. If set, on desktops only the ``icon`` will be shown.
+
+If you use this, you should read the documentation on :ref:`how to deal with URLs <urlconf>`
+in pretix.
+
+This is no ``EventPluginSignal``, so you do not get the event in the ``sender`` argument
+and you may get the signal regardless of whether your plugin is active.
+"""
+
 event_dashboard_widgets = EventPluginSignal(
     providing_args=[]
 )

src/pretix/control/templates/pretixcontrol/base.html

@@ -74,6 +74,35 @@
                     </li>
                 </ul>
                 <ul class="nav navbar-nav navbar-top-links navbar-right">
+                    {% for nav in nav_topbar %}
+                        <li {% if nav.children %}class="dropdown"{% endif %}>
+                            <a href="{{ nav.url }}" {% if nav.active %}class="active"{% endif %}
+                                    {% if nav.children %}class="dropdown-toggle" data-toggle="dropdown"{% endif %}>
+                                {% if nav.icon %}
+                                    <span class="fa fa-{{ nav.icon }}"></span>
+                                    <span class="visible-xs-inline">{{ nav.label }}</span>
+                                {% else %}
+                                    {{ nav.label }}
+                                {% endif %}
+                            </a>
+                            {% if nav.children %}
+                                <ul class="dropdown-menu" role="menu">
+                                    {% for item in nav.children %}
+                                        <li>
+                                            <a href="{{ item.url }}"
+                                                    {% if item.active %}class="active"{% endif %}>
+                                                {% if item.icon %}
+                                                    <span class="fa fa-{{ item.icon }}"></span>
+                                                {% endif %}
+                                                {{ item.label|safe }}
+                                            </a>
+                                        </li>
+                                    {% endfor %}
+                                </ul>
+                            {% endif %}
+                        </li>
+                    {% endfor %}
+
                     <li>
                         <a href="{% url 'control:user.settings' %}">
                             <i class="fa fa-user"></i> {{ request.user.get_full_name }}