From 534a81c46cb2a3b379989fe72c2b45c029372d0e Mon Sep 17 00:00:00 2001
From: Oskar Hahn <mail@oshahn.de>
Date: Mon, 16 Apr 2012 16:35:30 +0200
Subject: [PATCH] rewrote projector_messages system. Recalled it
 projector_overlay and added a special overlay for unique messages

---
 .../templates/projector/Application.html      |  1 -
 openslides/projector/api.py                   | 32 +++++++++-
 openslides/projector/models.py                | 14 ++++-
 openslides/projector/projector.py             | 18 +++++-
 openslides/projector/signals.py               |  2 +-
 .../projector/static/javascript/projector.js  |  6 +-
 .../projector/static/styles/projector.css     |  4 +-
 .../projector/templates/base-projector.html   |  6 +-
 .../templates/projector/control.html          | 16 +++--
 openslides/projector/views.py                 | 61 +++++++++++--------
 openslides/utils/templatetags/tags.py         |  2 +
 11 files changed, 112 insertions(+), 50 deletions(-)

diff --git a/openslides/application/templates/projector/Application.html b/openslides/application/templates/projector/Application.html
index fff83fa38..bcc354587 100644
--- a/openslides/application/templates/projector/Application.html
+++ b/openslides/application/templates/projector/Application.html
@@ -6,7 +6,6 @@
 
 {% block title %}{{ block.super }} - {{ item.title }}{% endblock %}
 {% block content %}
-
     <div id="sidebar">
     <div class="box">
         <p><b>{%trans "Status" %}:</b><br>
diff --git a/openslides/projector/api.py b/openslides/projector/api.py
index e3917b0c4..2f3ed887c 100644
--- a/openslides/projector/api.py
+++ b/openslides/projector/api.py
@@ -3,20 +3,30 @@ from projector import SLIDE, Slide
 from django.template.loader import render_to_string
 
 
-def get_slide_from_sid(sid):
+def split_sid(sid):
     data = sid.split('-')
     if len(data) == 2:
         model = data[0]
         id = data[1]
-        return SLIDE[model].model.objects.get(pk=id).slide()
+        return (model, id)
     if len(data) == 1:
         try:
-            return SLIDE[data[0]].func()
+            return (SLIDE[data[0]].func(), None)
         except KeyError:
             return None
     return None
 
 
+def get_slide_from_sid(sid):
+    key, id = split_sid(sid)
+    if id is not None:
+        return SLIDE[key].model.objects.get(pk=id).slide()
+    try:
+        return SLIDE[key].func()
+    except KeyError:
+        return None
+
+
 def get_active_slide(only_sid=False):
     """
     Returns the active slide. If no slide is active, or it can not find an Item,
@@ -70,3 +80,19 @@ def register_slidefunc(key, func, control_template=None, weight=0, name=''):
         weight=weight,
         name=name,
     )
+
+
+def projector_message_set(message, sid=None):
+    from models import ProjectorOverlay
+    config['projector_message'] = message
+    try:
+        overlay = ProjectorOverlay.objects.get(def_name='Message')
+    except ProjectorOverlay.DoesNotExist:
+        overlay = ProjectorOverlay(def_name='Message', active=True)
+    print "hier mal ein ", sid
+    overlay.sid=sid
+    overlay.save()
+
+
+def projector_message_delete():
+    config['projector_message'] = ''
diff --git a/openslides/projector/models.py b/openslides/projector/models.py
index c8ecb4879..1b12e641f 100644
--- a/openslides/projector/models.py
+++ b/openslides/projector/models.py
@@ -1,4 +1,7 @@
 from django.db import models
+from django.dispatch import receiver
+
+from openslides.config.signals import default_config_value
 
 from api import register_slidemodel
 from projector import SlideMixin
@@ -31,13 +34,22 @@ class ProjectorSlide(models.Model, SlideMixin):
         )
 
 
-class ProjectorMessage(models.Model):
+class ProjectorOverlay(models.Model):
     active = models.BooleanField(verbose_name=_('Active'))
     def_name = models.CharField(max_length=64)
+    sid = models.CharField(max_length=64, null=True, blank=True)
 
     def __unicode__(self):
+        if self.sid:
+            return "%s on %s" % (self.def_name, self.sid)
         return self.def_name
 
 
 register_slidemodel(ProjectorSlide, model_name=_('Projector Slide'))
 
+
+@receiver(default_config_value, dispatch_uid="config_default_config")
+def default_config(sender, key, **kwargs):
+    return {
+        'projector_message': '',
+    }.get(key)
diff --git a/openslides/projector/projector.py b/openslides/projector/projector.py
index c989b47e0..cb23f73bb 100644
--- a/openslides/projector/projector.py
+++ b/openslides/projector/projector.py
@@ -5,7 +5,7 @@ from django.utils.translation import ugettext as _
 
 from config.models import config
 
-from openslides.projector.signals import projector_messages
+from openslides.projector.signals import projector_overlays
 
 
 SLIDE = {}
@@ -75,9 +75,9 @@ class Slide(object):
             return 'No Model'
 
 
-@receiver(projector_messages, dispatch_uid="projector_countdown")
+@receiver(projector_overlays, dispatch_uid="projector_countdown")
 def countdown(sender, **kwargs):
-    name = _('Countdown')
+    name = 'Countdown'
     if kwargs['register']:
         return name
     if name in kwargs['call']:
@@ -85,3 +85,15 @@ def countdown(sender, **kwargs):
         seconds = max(0, int(starttime + config['agenda_countdown_time'] - time()))
         return (name, seconds)
     return None
+
+
+@receiver(projector_overlays, dispatch_uid="projector_message")
+def projector_message(sender, **kwargs):
+    name = 'Message'
+    if kwargs['register']:
+        return name
+    if name in kwargs['call']:
+        message = config['projector_message']
+        if message != '':
+            return (name, message)
+    return None
diff --git a/openslides/projector/signals.py b/openslides/projector/signals.py
index 41e227880..986721bce 100644
--- a/openslides/projector/signals.py
+++ b/openslides/projector/signals.py
@@ -12,6 +12,6 @@
 
 from django.dispatch import Signal
 
-projector_messages = Signal(providing_args=['register', 'call'])
+projector_overlays = Signal(providing_args=['register', 'call'])
 
 projector_control_box = Signal()
diff --git a/openslides/projector/static/javascript/projector.js b/openslides/projector/static/javascript/projector.js
index 02a942bea..53e1e941a 100644
--- a/openslides/projector/static/javascript/projector.js
+++ b/openslides/projector/static/javascript/projector.js
@@ -15,9 +15,9 @@ 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);
-                $('#messages li').remove();
-                $.each(data['messages'], function (index, value){
-                    $('#messages ul').append('<li id="message_' + value[0] + '">' + value[1] + '</li>');
+                $('#overlays li').remove();
+                $.each(data['overlays'], function (index, value){
+                    $('#overlays ul').append('<li id="overlay' + value[0] + '">' + value[1] + '</li>');
                 });
                 setTimeout("presentation_reload()", 500);
             },
diff --git a/openslides/projector/static/styles/projector.css b/openslides/projector/static/styles/projector.css
index 0a867ffdd..40c203bd6 100644
--- a/openslides/projector/static/styles/projector.css
+++ b/openslides/projector/static/styles/projector.css
@@ -61,7 +61,7 @@ body{
     border-bottom: 4px solid red;
 }
 
-#messages ul li {
+#overlays ul li {
     font-size: 4em;
     font-weight: bold;
     padding: 0 1em;
@@ -165,4 +165,4 @@ table td {
 tr.total td {
     border-top: 1px solid #333333;
     background-color: #e3e3e3;
-}
\ No newline at end of file
+}
diff --git a/openslides/projector/templates/base-projector.html b/openslides/projector/templates/base-projector.html
index 930302f05..8a0e6d268 100644
--- a/openslides/projector/templates/base-projector.html
+++ b/openslides/projector/templates/base-projector.html
@@ -30,10 +30,10 @@
             {% now "H:i" %}
         </div>
 
-        <div id="messages">
+        <div id="overlays">
             <ul>
-            {% for message in messages %}
-                <li id="message_{{ message.0 }}">{{ message.1 }}</li>
+            {% for overlay in overlays %}
+                <li id="overlay_{{ overlay.0 }}">{{ overlay.1 }}</li>
             {% endfor %}
             </ul>
         </div>
diff --git a/openslides/projector/templates/projector/control.html b/openslides/projector/templates/projector/control.html
index 8442854f3..1093a73c5 100644
--- a/openslides/projector/templates/projector/control.html
+++ b/openslides/projector/templates/projector/control.html
@@ -39,6 +39,10 @@
 
 {% block content %}
     <h1>{% trans 'Projector' %}</h1>
+    <form action="" method="post">{% csrf_token %}
+        <input name='message_text' type='text' value="{% get_config 'projector_message' %}">
+        <button type="submit" class="button" name='message'><span class="icon ok">{% trans 'Save' %}</span></button>
+    </form>
     <div style="text-align: right; padding: 0 10px 5px 0; margin-top:-20px;">
         <!-- projector control -->
         {% trans "Adjust projector view" %}:
@@ -97,18 +101,18 @@
             </div>
         </div> <!-- end portlet-->
 
-        <!-- Messages (Countdown etc.)-->
+        <!-- Overlays (Countdown etc.)-->
         <div class="portlet">
-            <div class="portlet-header">{% trans 'Messages' %}</div>
+            <div class="portlet-header">{% trans 'Overlays' %}</div>
             <div class="portlet-content">
                 <ul style="line-height: 180%">
                 <form action="" method="post">{% csrf_token %}
                     <ul>
-                    {% for message in projector_messages %}
+                    {% for overlay in overlays %}
                         <li>
-                            <input type="checkbox" name="{{ message }}" onchange="submit()"
-                            {% if message.active %} checked="checked"{% endif %}> {{ message }}
-                            {% if message.def_name == "Countdown" %}
+                            <input type="checkbox" name="{{ overlay }}" onchange="submit()"
+                            {% if overlay.active %} checked="checked"{% endif %}> {{ overlay }}
+                            {% if overlay.def_name == "Countdown" %}
                                 |
                                 <a href="{% url config_agenda %}">{{countdown_time}}{% trans "sec" %}</a>
                                 <a class="projector_countdown" href="{% url countdown_reset %}" title="{% trans 'Reset countdown' %}">
diff --git a/openslides/projector/views.py b/openslides/projector/views.py
index bb4bd187c..0ae5be8f8 100644
--- a/openslides/projector/views.py
+++ b/openslides/projector/views.py
@@ -15,11 +15,11 @@ from time import time
 from django.shortcuts import render_to_response, redirect
 from django.template import RequestContext
 from django.core.urlresolvers import reverse
-from django.contrib import messages
 from django.utils.translation import ugettext as _
 from django.utils.datastructures import SortedDict
 from django.dispatch import receiver
 from django.template.loader import render_to_string
+from django.db.models import Q
 
 
 from utils.views import TemplateView, RedirectView
@@ -30,10 +30,11 @@ from utils.template import Tab
 
 from config.models import config
 
-from api import get_active_slide, set_active_slide
+from api import get_active_slide, set_active_slide, projector_message_set
 from projector import SLIDE
-from models import ProjectorMessage
-from openslides.projector.signals import projector_messages, projector_control_box
+from models import ProjectorOverlay
+from openslides.projector.signals import projector_overlays, projector_control_box
+from openslides.utils.signals import template_manipulation
 
 from django.utils.importlib import import_module
 import settings
@@ -43,25 +44,28 @@ class ControlView(TemplateView):
     template_name = 'projector/control.html'
     permission_required = 'projector.can_manage_projector'
 
-    def get_projector_messages(self):
-        messages = []
-        for receiver, name in projector_messages.send(sender='registerer', register=True):
+    def get_projector_overlays(self):
+        overlays = []
+        for receiver, name in projector_overlays.send(sender='registerer', register=True):
             if name is not None:
                 try:
-                    projector_message = ProjectorMessage.objects.get(def_name=name)
-                except ProjectorMessage.DoesNotExist:
-                    projector_message = ProjectorMessage(def_name=name, active=False)
-                    projector_message.save()
-                messages.append(projector_message)
-        return messages
+                    projector_overlay = ProjectorOverlay.objects.get(def_name=name)
+                except ProjectorOverlay.DoesNotExist:
+                    projector_overlay = ProjectorOverlay(def_name=name, active=False)
+                    projector_overlay.save()
+                overlays.append(projector_overlay)
+        return overlays
 
     def post(self, request, *args, **kwargs):
-        for message in self.get_projector_messages():
-            if message.def_name in request.POST:
-                message.active = True
-            else:
-                message.active = False
-            message.save()
+        if 'message' in request.POST:
+            projector_message_set(request.POST['message_text'])
+        else:
+            for overlay in self.get_projector_overlays():
+                if overlay.def_name in request.POST:
+                    overlay.active = True
+                else:
+                    overlay.active = False
+                overlay.save()
         return self.get(request, *args, **kwargs)
 
     def get_context_data(self, **kwargs):
@@ -88,7 +92,7 @@ class ControlView(TemplateView):
             'categories': categories,
             'countdown_visible': config['countdown_visible'],
             'countdown_time': config['agenda_countdown_time'],
-            'projector_messages': self.get_projector_messages(),
+            'overlays': self.get_projector_overlays(),
         })
         return context
 
@@ -122,20 +126,23 @@ def active_slide(request):
         }
 
     data['ajax'] = 'on'
-    data['messages'] = []
+    data['overlays'] = []
+    data['overlay'] = ''
 
-    # Projector Messages
-    active_defs = ProjectorMessage.objects.filter(active=True).values_list('def_name', flat=True)
-    for receiver, response in projector_messages.send(sender='active_slide', register=False, call=active_defs):
+    # Projector Overlays
+    sid = get_active_slide(True)
+    active_defs = ProjectorOverlay.objects.filter(active=True).filter(Q(sid=sid) | Q(sid=None)).values_list('def_name', flat=True)
+    for receiver, response in projector_overlays.send(sender=sid, register=False, call=active_defs):
         if response is not None:
-            data['messages'].append(response)
+            data['overlays'].append(response)
 
 
+    template_manipulation.send(sender='projector', request=request, context=data)
     if request.is_ajax():
         content = render_block_to_string(data['template'], 'content', data)
         jsondata = {
             'content': content,
-            'messages': data['messages'],
+            'overlays': data['overlays'],
             'title': data['title'],
             'time': datetime.now().strftime('%H:%M'),
             'bigger': config['bigger'],
@@ -143,6 +150,7 @@ def active_slide(request):
             'countdown_visible': config['countdown_visible'],
             'countdown_time': config['agenda_countdown_time'],
             'countdown_control': config['countdown_control'],
+            'overlay': data['overlay']
         }
         return ajax_request(jsondata)
     else:
@@ -153,7 +161,6 @@ def active_slide(request):
         )
 
 
-
 @permission_required('agenda.can_manage_agenda')
 def projector_edit(request, direction):
     if direction == 'bigger':
diff --git a/openslides/utils/templatetags/tags.py b/openslides/utils/templatetags/tags.py
index 51a20c925..be73be047 100644
--- a/openslides/utils/templatetags/tags.py
+++ b/openslides/utils/templatetags/tags.py
@@ -10,10 +10,12 @@ register = template.Library()
 def get_min_supporters():
     return config['application_min_supporters']
 
+
 @register.simple_tag
 def get_config(key):
     return config[key]
 
+
 @register.simple_tag
 def active(request, pattern):
     if request.path.startswith(pattern):