From ccdce52caaa66c8c9647a5334e7ecd9fae61e8d3 Mon Sep 17 00:00:00 2001
From: Oskar Hahn <mail@oshahn.de>
Date: Fri, 16 Mar 2012 12:28:42 +0100
Subject: [PATCH] start a way to send messages to the projector. Start to use
 this api for the countdown

---
 openslides/projector/projector.py             | 19 +++++++++++++++++++
 openslides/projector/signals.py               | 15 +++++++++++++++
 .../projector/templates/base-projector.html   |  8 +++++++-
 .../templates/projector/base_projector.html   |  2 +-
 .../templates/projector/control.html          |  4 ++--
 openslides/projector/urls.py                  |  2 +-
 openslides/projector/views.py                 | 15 +++++++++++----
 openslides/static/javascript/projector.js     |  1 +
 openslides/static/styles/projector.css        |  5 +++--
 openslides/system/models.py                   |  2 +-
 openslides/utils/views.py                     |  2 +-
 11 files changed, 62 insertions(+), 13 deletions(-)
 create mode 100644 openslides/projector/signals.py

diff --git a/openslides/projector/projector.py b/openslides/projector/projector.py
index 6cafd5696..a009c894d 100644
--- a/openslides/projector/projector.py
+++ b/openslides/projector/projector.py
@@ -1,5 +1,12 @@
+from datetime import datetime
+
+from django.dispatch import receiver
+
 from system import config
 
+from openslides.projector.signals import projector_messages
+
+
 SLIDE = {}
 
 class SlideMixin(object):
@@ -58,3 +65,15 @@ class Slide(object):
 
     def get_items(self):
         return self.model.objects.all()
+
+
+@receiver(projector_messages, dispatch_uid="projector_countdown")
+def countdown(sender, **kwargs):
+    if config['countdown_visible']:
+        starttime = config['countdown_start']
+        if type(starttime) != type(datetime.now()):
+            config['countdown_start'] = datetime.now()
+            starttime = config['countdown_start']
+            #todo: return the time passt sinth starttime
+        return  datetime.now() - starttime
+    return None
diff --git a/openslides/projector/signals.py b/openslides/projector/signals.py
new file mode 100644
index 000000000..5dbd32ef8
--- /dev/null
+++ b/openslides/projector/signals.py
@@ -0,0 +1,15 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+"""
+    openslides.projector.signals
+    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    Defines Signals for the projector.
+
+    :copyright: 2011 by the OpenSlides team, see AUTHORS.
+    :license: GNU GPL, see LICENSE for more details.
+"""
+
+from django.dispatch import Signal
+
+projector_messages = Signal()
diff --git a/openslides/projector/templates/base-projector.html b/openslides/projector/templates/base-projector.html
index f239d95b6..f2d909b9e 100644
--- a/openslides/projector/templates/base-projector.html
+++ b/openslides/projector/templates/base-projector.html
@@ -29,7 +29,13 @@
             {% now "H:i" %}
         </div>
 
-        <div id="countdown">0:00</div>
+        <div id="messages">
+            <ul>
+            {% for message in messages %}
+                <li>{{ message }}</li>
+            {% endfor %}
+            </ul>
+        </div>
 
         <div id="content">
         {% block content %}
diff --git a/openslides/projector/templates/projector/base_projector.html b/openslides/projector/templates/projector/base_projector.html
index 087fa4e35..f38e43aa1 100644
--- a/openslides/projector/templates/projector/base_projector.html
+++ b/openslides/projector/templates/projector/base_projector.html
@@ -3,7 +3,7 @@
 {% load tags %}
 {% load i18n %}
 
-{% block title %}foasdfasdfafs {% endblock %}
+{% block title %}{{ block.super}} – {% trans 'Projector' %} {% endblock %}
 
 {% block submenu %}
     {% url item_overview as url_itemoverview %}
diff --git a/openslides/projector/templates/projector/control.html b/openslides/projector/templates/projector/control.html
index 809391fa4..aee228a6f 100644
--- a/openslides/projector/templates/projector/control.html
+++ b/openslides/projector/templates/projector/control.html
@@ -54,8 +54,8 @@
         <!-- countdown -->
         <input type="checkbox" name="countdown" onchange="document.location='{% if countdown_visible %}{% url countdown_close %}{% else %}{% url countdown_open %}{% endif %}'"{% if countdown_visible %} checked{% endif %}>
         {% trans "Countdown" %} (<a href="{% url config_agenda %}">{{countdown_time}}{% trans "sec" %}</a>)
-        {% if countdown_visible == "True" %}:
-            <a class="projector_countdown" href="{% url countdown_reset countdown_time %}" title="{% trans 'Reset countdown' %}">
+        {% if countdown_visible %}:
+            <a class="projector_countdown" href="{% url countdown_reset %}" title="{% trans 'Reset countdown' %}">
                 <img src="/static/images/icons/media-skip-backward.png" />
             </a>
             <a class="projector_countdown" href="{% url countdown_start %}" title="{% trans 'Start countdown' %}">
diff --git a/openslides/projector/urls.py b/openslides/projector/urls.py
index 432fe666b..3801612dd 100644
--- a/openslides/projector/urls.py
+++ b/openslides/projector/urls.py
@@ -63,7 +63,7 @@ urlpatterns = patterns('projector.views',
     url(r'^countdown/hide/$', 'projector_countdown', {'command': 'hide'},
         name='countdown_close'),
 
-    url(r'^countdown/reset/(?P<time>\d+)/$', 'projector_countdown', {'command': 'reset'},
+    url(r'^countdown/reset/$', 'projector_countdown', {'command': 'reset'},
         name='countdown_reset'),
 
     url(r'^countdown/start/$', 'projector_countdown', {'command': 'start'},
diff --git a/openslides/projector/views.py b/openslides/projector/views.py
index 60a0d4417..6a699f686 100644
--- a/openslides/projector/views.py
+++ b/openslides/projector/views.py
@@ -27,6 +27,7 @@ from system import config
 
 from api import get_active_slide, set_active_slide
 from projector import SLIDE
+from openslides.projector.signals import projector_messages
 
 
 class ControlView(TemplateView):
@@ -76,6 +77,11 @@ def active_slide(request):
         }
 
     data['ajax'] = 'on'
+    data['messages'] = []
+    for receiver, response in projector_messages.send(sender='active_slide'):
+        if response is not None:
+            data['messages'].append(response)
+
 
     if request.is_ajax():
         content = render_block_to_string(data['template'], 'content', data)
@@ -117,18 +123,19 @@ def projector_edit(request, direction):
     return redirect(reverse('projector_control'))
 
 
-@permission_required('agenda.can_manage_agenda')
+@permission_required('projector.can_manage_projector')
 def projector_countdown(request, command, time=60):
+    #todo: why is there the time argument?
     if command == 'show':
         config['countdown_visible'] = True
     elif command == 'hide':
         config['countdown_visible'] = False
     elif command == 'reset':
-        config['countdown_control'] = 'reset'
+        config['countdown_start'] = datetime.now()
     elif command == 'start':
-        config['countdown_control'] = 'start'
+        config['countdown_run'] = True
     elif command == 'stop':
-        config['countdown_control'] = 'stop'
+        config['countdown_run'] = False
 
     if request.is_ajax():
         if command == "show":
diff --git a/openslides/static/javascript/projector.js b/openslides/static/javascript/projector.js
index 99f1e0d2e..2692baadd 100644
--- a/openslides/static/javascript/projector.js
+++ b/openslides/static/javascript/projector.js
@@ -14,6 +14,7 @@ function presentation_reload() {
                 $('#content li').css({'font-size': data.bigger + '%'}, 200);
                 $('#content #sidebar').css({'font-size': '16px'}, 0);
                 $('#content').animate({'margin-top': data.up + 'em'}, 200);
+                /*TODO: messages neu schreiben*/
 
                 if (data.countdown_visible == true)
                     $('#countdown').slideDown();
diff --git a/openslides/static/styles/projector.css b/openslides/static/styles/projector.css
index b028860dd..2f8cc4b00 100644
--- a/openslides/static/styles/projector.css
+++ b/openslides/static/styles/projector.css
@@ -56,11 +56,12 @@ body{
     padding-left:30px;
     background: url(../images/icons/clock.png) no-repeat scroll 0px 4px;
 }
+
 #currentTime.ajax_error {
     border-bottom: 4px solid red;
 }
-#countdown {
-    display: none;
+
+#messages ul li {
     font-size: 4em;
     font-weight: bold;
     padding: 0 1em;
diff --git a/openslides/system/models.py b/openslides/system/models.py
index e7b610ab4..030f7cb94 100644
--- a/openslides/system/models.py
+++ b/openslides/system/models.py
@@ -50,7 +50,7 @@ class Config(object):
     def load_config(self):
         self.config = {}
         for key, value in ConfigStore.objects.all().values_list():
-            self.config[key] = base64.decodestring(loads(str(value)))
+            self.config[key] = loads(base64.decodestring(str(value)))
 
     def __getitem__(self, key):
         try:
diff --git a/openslides/utils/views.py b/openslides/utils/views.py
index 0ca691cbe..bf3dc9a99 100644
--- a/openslides/utils/views.py
+++ b/openslides/utils/views.py
@@ -60,7 +60,7 @@ class PermissionMixin(object):
 class TemplateView(_TemplateView, PermissionMixin):
     def get_context_data(self, **kwargs):
         context = super(TemplateView, self).get_context_data(**kwargs)
-        template_manipulation.send(sender=self, context=context, blub=True)
+        template_manipulation.send(sender=self, context=context)
         return context