From 5f6c96b3e888d7d1accf6287dcf1497a9dc59389 Mon Sep 17 00:00:00 2001
From: Oskar Hahn <mail@oshahn.de>
Date: Fri, 3 Feb 2012 23:12:28 +0100
Subject: [PATCH] assignment and application can be beamt without a
 item-element

---
 openslides/agenda/admin.py                    |  3 +-
 openslides/agenda/api.py                      | 22 +-----
 openslides/agenda/forms.py                    | 32 +-------
 openslides/agenda/models.py                   | 65 ++++++----------
 .../agenda/templates/agenda/base_agenda.html  |  2 +-
 .../templates/beamer/AgendaSummary.html}      |  0
 .../templates/beamer/AgendaText.html}         |  0
 openslides/agenda/urls.py                     |  7 +-
 openslides/agenda/views.py                    | 43 ++++-------
 openslides/application/models.py              | 34 ++++++---
 .../templates/application/view.html           | 17 +----
 .../templates/beamer/Application.html}        | 18 ++---
 openslides/application/views.py               |  4 +-
 openslides/assignment/models.py               | 18 ++++-
 .../assignment/templates/assignment/view.html | 13 +---
 .../templates/beamer/Assignment.html}         | 22 +++---
 openslides/assignment/views.py                |  4 +-
 openslides/beamer/api.py                      | 32 ++++++++
 openslides/beamer/models.py                   | 39 +++++++++-
 .../beamer/templates/beamer/ItemPoll.html     | 19 -----
 openslides/beamer/views.py                    | 75 ++++++++++---------
 21 files changed, 223 insertions(+), 246 deletions(-)
 rename openslides/{beamer/templates/beamer/overview.html => agenda/templates/beamer/AgendaSummary.html} (100%)
 rename openslides/{beamer/templates/beamer/ItemText.html => agenda/templates/beamer/AgendaText.html} (100%)
 rename openslides/{beamer/templates/beamer/ItemApplication.html => application/templates/beamer/Application.html} (77%)
 rename openslides/{beamer/templates/beamer/ItemAssignment.html => assignment/templates/beamer/Assignment.html} (82%)
 delete mode 100644 openslides/beamer/templates/beamer/ItemPoll.html

diff --git a/openslides/agenda/admin.py b/openslides/agenda/admin.py
index 52fa6ef0b..bfab6d8f6 100644
--- a/openslides/agenda/admin.py
+++ b/openslides/agenda/admin.py
@@ -12,7 +12,6 @@
 
 from django.contrib import admin
 
-from openslides.agenda.models import Item, ItemText
+from openslides.agenda.models import Item
 
 admin.site.register(Item)
-admin.site.register(ItemText)
diff --git a/openslides/agenda/api.py b/openslides/agenda/api.py
index 3c0b86ba0..d07c306af 100644
--- a/openslides/agenda/api.py
+++ b/openslides/agenda/api.py
@@ -15,23 +15,7 @@ from django.contrib import messages
 from django.core.context_processors import csrf
 
 from openslides.system.api import config_get
-
-
-def get_active_item(only_id=False):
-    """
-    Returns the active Item. If no item is active, or it can not find an Item,
-    it raise Item.DoesNotExist
-
-    if only_id is True, returns only the id of this item. Returns None if not Item
-    is active. Does not Raise Item.DoesNotExist
-    """
-    from agenda.models import Item
-    id = config_get("presentation", None)
-    if only_id:
-        if id is None:
-            return None
-        return int(id)
-    return Item.objects.get(pk=id)
+from beamer.api import get_active_element
 
 
 def is_summary():
@@ -40,7 +24,7 @@ def is_summary():
     """
     from agenda.models import Item
     try:
-        get_active_item()
+        get_active_element()
     except Item.DoesNotExist:
         return True
     if config_get('summary', False):
@@ -70,4 +54,4 @@ def del_confirm_form_for_items(request, object, name=None):
     if object.children:
         gen_confirm_form_for_items(request, _('Do you really want to delete <b>%s</b>?') % name, object.get_absolute_url('delete'), False)
     else:
-        gen_confirm_form_for_items(request, _('Do you really want to delete <b>%s</b>?') % name, object.get_absolute_url('delete'), True)
\ No newline at end of file
+        gen_confirm_form_for_items(request, _('Do you really want to delete <b>%s</b>?') % name, object.get_absolute_url('delete'), True)
diff --git a/openslides/agenda/forms.py b/openslides/agenda/forms.py
index 69f761e75..fdd5b9c2d 100644
--- a/openslides/agenda/forms.py
+++ b/openslides/agenda/forms.py
@@ -13,8 +13,7 @@
 from django.forms import Form, ModelForm, IntegerField, ChoiceField, \
                          ModelChoiceField, HiddenInput, Select
 from django.utils.translation import ugettext as _
-from openslides.agenda.models import Item, ItemText, ItemApplication, \
-                                     ItemAssignment
+from openslides.agenda.models import Item, ItemText
 
 class ItemFormText(ModelForm):
     error_css_class = 'error'
@@ -26,28 +25,6 @@ class ItemFormText(ModelForm):
         exclude = ('closed', 'weight')
 
 
-class ItemFormApplication(ModelForm):
-    error_css_class = 'error'
-    required_css_class = 'required'
-    items = Item.objects.all().filter(parent=None).order_by('weight')
-    parent = ModelChoiceField(queryset=items, label=_("Parent item"), required=False)
-
-    class Meta:
-        model = ItemApplication
-        exclude = ('closed', 'weight')
-
-
-class ItemFormAssignment(ModelForm):
-    error_css_class = 'error'
-    required_css_class = 'required'
-    items = Item.objects.all().filter(parent=None).order_by('weight')
-    parent = ModelChoiceField(queryset=items, label=_("Parent item"), required=False)
-
-    class Meta:
-        model = ItemAssignment
-        exclude = ('closed', 'weight')
-
-
 def genweightchoices():
     l = []
     for i in range(-50, 51):
@@ -61,10 +38,3 @@ class ElementOrderForm(Form):
                          label="")
     self = IntegerField(widget=HiddenInput(attrs={'class': 'menu-mlid'}))
     parent = IntegerField(widget=HiddenInput(attrs={'class': 'menu-plid'}))
-
-
-MODELFORM = {
-    'ItemText': ItemFormText,
-    'ItemApplication': ItemFormApplication,
-    'ItemAssignment': ItemFormAssignment,
-}
diff --git a/openslides/agenda/models.py b/openslides/agenda/models.py
index 40bebf658..f0228ef53 100644
--- a/openslides/agenda/models.py
+++ b/openslides/agenda/models.py
@@ -18,40 +18,45 @@ except ImportError:
 from django.db import models
 from django.utils.translation import ugettext as _
 
-from model_utils.models import InheritanceCastModel
-
-from openslides.agenda.api import get_active_item
-from openslides.system.api import config_set
-from openslides.application.models import Application
-from openslides.poll.models import Poll
-from openslides.assignment.models import Assignment
+from beamer.models import Element
+from beamer.api import element_register
+from system.api import config_set
+from application.models import Application
+from poll.models import Poll
+from assignment.models import Assignment
 
 
-class Item(InheritanceCastModel):
+class Item(models.Model, Element):
     """
-    The BasisItem.
-    Has all the attributes all Items need.
+    An Agenda Item
     """
     title = models.CharField(max_length=100, verbose_name=_("Title"))
+    text = models.TextField(null=True, blank=True, verbose_name=_("Text"))
+    transcript = models.TextField(null=True, blank=True, verbose_name=_("Transcript"))
     closed = models.BooleanField(default=False, verbose_name=_("Closed"))
     weight = models.IntegerField(default=0, verbose_name=_("Weight"))
     parent = models.ForeignKey('self', blank=True, null=True)
     hidden = models.BooleanField(default=False,
                                      verbose_name=_("Hidden (visible for agenda manager only)"))
+    prefix = 'item'
 
-    @property
-    def active(self):
+
+    def beamer(self):
         """
-        Return True, if the the item is the active one.
+        Return a map with all Data for the Beamer
         """
-        return True if get_active_item(only_id=True) == self.id else False
+        return {
+            'item': self,
+            'title': self.title,
+            'template': 'beamer/AgendaText.html',
+        }
 
     @property
     def active_parent(self):
         """
         Return True if the item has a activ parent
         """
-        if get_active_item(only_id=True) in \
+        if get_active_element(only_id=True) in \
         [parent.id for parent in self.parents]:
             return True
         return False
@@ -60,7 +65,7 @@ class Item(InheritanceCastModel):
         """
         Appoint this item as the active one.
         """
-        config_set("presentation", self.id)
+        Element.set_active(self)
         if summary:
             config_set("summary", True)
         else:
@@ -182,32 +187,8 @@ class Item(InheritanceCastModel):
         )
 
 
-class ItemText(Item):
-    """
-    An Item with a TextField.
-    """
-    text = models.TextField(null=True, blank=True, verbose_name=_("Text"))
-
-    class Meta:
-        pass
+ItemText = Item # ItemText is Depricated
 
 
-class ItemApplication(Item):
-    """
-    An Item which is connected to an application.
-    """
-    application = models.ForeignKey(Application, verbose_name=_("Application"))
 
-
-class ItemAssignment(Item):
-    """
-    An Item which is connected to an assignment.
-    """
-    assignment = models.ForeignKey(Assignment, verbose_name=_("Election"))
-
-
-class ItemPoll(Item):
-    """
-    An Item which is connected to a poll
-    """
-    poll = models.ForeignKey(Poll, verbose_name=_("Poll"))
+element_register(Item.prefix, Item)
diff --git a/openslides/agenda/templates/agenda/base_agenda.html b/openslides/agenda/templates/agenda/base_agenda.html
index 8b4f73db0..331f98d6f 100644
--- a/openslides/agenda/templates/agenda/base_agenda.html
+++ b/openslides/agenda/templates/agenda/base_agenda.html
@@ -8,7 +8,7 @@
     <ul>
         <li class="{% if request.path == url_itemoverview %}selected{% endif %}"><a href="{% url item_overview %}">{%trans "All items" %}</a></li>
         {% if perms.agenda.can_manage_agenda %}
-        <li class="{% active request '/agenda/new/' %}"><a href="{% url item_new 'ItemText' %}">{%trans "New item" %}</a></li>
+        <li class="{% active request '/agenda/new/' %}"><a href="{% url item_new %}">{%trans "New item" %}</a></li>
         {% endif %}
         {% if perms.agenda.can_see_projector %}
         <li><a href="{% url beamer_show %}"><img src="/static/images/icons/video-projector.png"> {%trans 'Projector view' %}</a></li>
diff --git a/openslides/beamer/templates/beamer/overview.html b/openslides/agenda/templates/beamer/AgendaSummary.html
similarity index 100%
rename from openslides/beamer/templates/beamer/overview.html
rename to openslides/agenda/templates/beamer/AgendaSummary.html
diff --git a/openslides/beamer/templates/beamer/ItemText.html b/openslides/agenda/templates/beamer/AgendaText.html
similarity index 100%
rename from openslides/beamer/templates/beamer/ItemText.html
rename to openslides/agenda/templates/beamer/AgendaText.html
diff --git a/openslides/agenda/urls.py b/openslides/agenda/urls.py
index e890540db..c8cc08ea2 100644
--- a/openslides/agenda/urls.py
+++ b/openslides/agenda/urls.py
@@ -40,14 +40,9 @@ urlpatterns = patterns('agenda.views',
     url(r'^agenda/new/$', 'edit',
         name='item_new_default'),
 
-    url(r'^agenda/new/(?P<form>ItemText|ItemApplication|ItemPoll|'
-                           r'ItemAssignment)/$', 'edit',
+    url(r'^agenda/new$', 'edit',
         name='item_new'),
 
-    url(r'^agenda/new/(?P<form>ItemText|ItemApplication|ItemPoll|'
-                           r'ItemAssignment)/(?P<default>\d+)/$', 'edit',
-        name='item_new_default'),
-
     url(r'^agenda/(?P<item_id>\d+)/del/$', 'delete',
         name='item_delete'),
 
diff --git a/openslides/agenda/views.py b/openslides/agenda/views.py
index b7ae02247..e34734156 100644
--- a/openslides/agenda/views.py
+++ b/openslides/agenda/views.py
@@ -17,18 +17,19 @@ from django.core.urlresolvers import reverse
 from django.contrib import messages
 from django.utils.translation import ugettext as _
 
-from openslides.agenda.models import Item
-from openslides.agenda.api import get_active_item, is_summary, children_list, \
+from beamer.api import get_active_element
+from agenda.models import Item
+from agenda.api import is_summary, children_list, \
                                   del_confirm_form_for_items
-from openslides.agenda.forms import ElementOrderForm, MODELFORM
-from openslides.application.models import Application
-from openslides.assignment.models import Assignment
-from openslides.poll.models import Poll
-from openslides.system.api import config_set, config_get
-from openslides.utils.template import render_block_to_string
-from openslides.utils.utils import template, permission_required, \
+from agenda.forms import ElementOrderForm, ItemFormText
+from application.models import Application
+from assignment.models import Assignment
+from poll.models import Poll
+from system.api import config_set, config_get
+from utils.template import render_block_to_string
+from utils.utils import template, permission_required, \
                                    del_confirm_form, ajax_request
-from openslides.utils.pdf import print_agenda
+from utils.pdf import print_agenda
 from poll.models import Poll, Option
 
 def view(request, item_id):
@@ -69,7 +70,7 @@ def overview(request):
     items = children_list(Item.objects.filter(parent=None).exclude(hidden=True).order_by('weight'))
     items_hidden = children_list(Item.objects.filter(parent=None).exclude(hidden=False).order_by('weight'))
     try:
-        overview = is_summary() and not get_active_item()
+        overview = is_summary() and not get_active_element()
     except Item.DoesNotExist:
         overview = True
     return {
@@ -163,25 +164,7 @@ def edit(request, item_id=None, form='ItemText', default=None):
         else:
             messages.error(request, _('Please check the form for errors.'))
     else:
-        initial = {}
-        if default:
-            if form == "ItemAssignment":
-                assignment = Assignment.objects.get(pk=default)
-                initial = {
-                    'assignment': assignment,
-                    'title': assignment.name,
-                }
-            elif form == "ItemApplication":
-                application = Application.objects.get(pk=default)
-                initial = {
-                    'application': application,
-                    'title': application.title,
-                }
-
-        if item_id is None:
-            form = MODELFORM[form](initial=initial)
-        else:
-            form = item.edit_form()
+        form = ItemFormText()
     return { 'form': form,
              'item': item }
 
diff --git a/openslides/application/models.py b/openslides/application/models.py
index 0cedf991b..79404ed5e 100644
--- a/openslides/application/models.py
+++ b/openslides/application/models.py
@@ -17,12 +17,16 @@ from django.db.models import Max
 from django.contrib.auth.models import User
 from django.utils.translation import ugettext as _
 
-from openslides.participant.models import Profile
-from openslides.system.api import config_get
-from openslides.utils.utils import _propper_unicode
+from beamer.api import element_register
+from beamer.models import Element
+
+from participant.models import Profile
+from system.api import config_get
+from utils.utils import _propper_unicode
 
 
-class Application(models.Model):
+class Application(models.Model, Element):
+    prefix = "application"
     STATUS = (
         ('pub', _('Published')),
         ('per', _('Permitted')),
@@ -328,7 +332,7 @@ class Application(models.Model):
                 actions.append("support")
         except Profile.DoesNotExist:
             pass
-        
+
         if self.status == "pub" and user in self.supporter.all():
             actions.append("unsupport")
 
@@ -365,12 +369,6 @@ class Application(models.Model):
                 actions.append("permitversion")
                 actions.append("rejectversion")
 
-        if self.number:
-            if self.itemapplication_set.all():
-                actions.append("activateitem")
-            else:
-                actions.append("createitem")
-
         return actions
 
     def delete(self, force=False):
@@ -431,7 +429,17 @@ class Application(models.Model):
                 if poll.votesinvalid != None and poll.votescast != None:
                     results.append([option.yes, option.no, option.undesided, poll.votesinvalidf, poll.votescastf])
         return results
-    
+
+    def beamer(self):
+        """
+        return the beamer dict
+        """
+        data = super(Application, self).beamer()
+        data['application'] = self
+        data['title'] = self.title
+        data['template'] = 'beamer/Application.html'
+        return data
+
     @models.permalink
     def get_absolute_url(self, link='view'):
         if link == 'view':
@@ -474,3 +482,5 @@ class AVersion(models.Model):
                 .filter(application=self.application) \
                 .filter(id__lte=self.id).count()
             return self._aid
+
+element_register(Application.prefix, Application)
diff --git a/openslides/application/templates/application/view.html b/openslides/application/templates/application/view.html
index 1e68decab..de52fb8bc 100644
--- a/openslides/application/templates/application/view.html
+++ b/openslides/application/templates/application/view.html
@@ -154,19 +154,10 @@
         </p>
     {% endif %}
 
-    {% if "createitem" in actions %}
-        <h4></h4>
-        <a href='{% url item_new_default 'ItemApplication' application.id %}'>
-            <span class="button"><span class="icon item">{%trans 'New agenda item' %}</span></span>
-        </a>
-    {% endif %}
-
-    {% if "activateitem" in actions %}
-        <h4></h4>
-        <a href='{% url application_activate_item application.id %}'>
-            <span class="button"><span class="icon projector">{%trans 'Show agenda item' %}</span></span>
-        </a>
-    {% endif %}
+    <h4></h4>
+    <a href='{% url application_activate_item application.id %}'>
+        <span class="button"><span class="icon projector">{%trans 'Beam Application' %}</span></span>
+    </a>
 
     {% if "acc" in actions or "rej" in actions %}
         <h4>{% trans "Result after vote" %}:</h4>
diff --git a/openslides/beamer/templates/beamer/ItemApplication.html b/openslides/application/templates/beamer/Application.html
similarity index 77%
rename from openslides/beamer/templates/beamer/ItemApplication.html
rename to openslides/application/templates/beamer/Application.html
index 8bbde4567..cad4db3e1 100644
--- a/openslides/beamer/templates/beamer/ItemApplication.html
+++ b/openslides/application/templates/beamer/Application.html
@@ -6,19 +6,19 @@
     <div id="sidebar">
     <div class="box">
         <p><b>{%trans "Status" %}:</b><br>
-        {% if item.application.status != "pub" %}
-            {%trans item.application.get_status_display %}
+        {% if application.status != "pub" %}
+            {%trans application.get_status_display %}
             <br>
         {% else %}
-            {% for note in item.application.notes %}
+            {% for note in application.notes %}
             {{ note }}
             {% endfor %}
         {% endif %}
         </p>
 
         <p><b>{% trans "Submitter" %}:</b><br>
-        {{ item.application.submitter.profile }}</p>
-    {% with item.application.poll_set.all as polls %}
+        {{ application.submitter.profile }}</p>
+    {% with application.poll_set.all as polls %}
     {% if polls|length > 0 and polls.0.has_vote %}
     <p><b>{% trans "Poll result" %}:</b></p>
     {% for p in polls %}
@@ -47,14 +47,14 @@
     </div>
     </div>
 
-    <h1>{% trans "Application No." %} {{ item.application.number }}</h1>
+    <h1>{% trans "Application No." %} {{ application.number }}</h1>
     <b>{{ item.title }}</b>
     <p>
-    <div class="text">{{ item.application.public_version.text|linebreaks }}</div>
-    {% if item.application.public_version.reason %}
+    <div class="text">{{ application.public_version.text|linebreaks }}</div>
+    {% if application.public_version.reason %}
         <br>
         <div class="reason"><p><b>{% trans "Reason" %}:</b></p>
-        {{ item.application.public_version.reason|linebreaks }}</div>
+        {{ application.public_version.reason|linebreaks }}</div>
     {% endif %}
     </p>
 {% endblock %}
diff --git a/openslides/application/views.py b/openslides/application/views.py
index 3c1f3f266..c0f98b0a6 100644
--- a/openslides/application/views.py
+++ b/openslides/application/views.py
@@ -332,8 +332,8 @@ def unsupport(request, application_id):
 
 @permission_required('application.can_manage_application')
 def set_active(request, application_id):
-    item = Item.objects.get(itemapplication__application__id=application_id)
-    item.set_active(False)
+    application = Application.objects.get(pk=application_id)
+    application.set_active()
     return redirect(reverse('application_view', args=[application_id]))
 
 
diff --git a/openslides/assignment/models.py b/openslides/assignment/models.py
index 899ca9af9..337a6bb0b 100644
--- a/openslides/assignment/models.py
+++ b/openslides/assignment/models.py
@@ -15,8 +15,12 @@ from django.utils.translation import ugettext as _
 
 from participant.models import Profile
 
+from beamer.models import Element
+from beamer.api import element_register
 
-class Assignment(models.Model):
+
+class Assignment(models.Model, Element):
+    prefix = 'assignment'
     STATUS = (
         ('sea', _('Searching for candidates')),
         ('vot', _('Voting')),
@@ -113,6 +117,16 @@ class Assignment(models.Model):
             poll.add_option(candidate)
         return poll
 
+    def beamer(self):
+        """
+        return the beamer dict
+        """
+        data = super(Assignment, self).beamer()
+        data['assignment'] = self
+        data['title'] = self.name
+        data['template'] = 'beamer/Assignment.html'
+        return data
+
     @models.permalink
     def get_absolute_url(self, link='view'):
         if link == 'view':
@@ -130,3 +144,5 @@ class Assignment(models.Model):
             ('can_nominate_self', "Can nominate themselves"),
             ('can_manage_assignment', "Can manage assignment"),
         )
+
+element_register(Assignment.prefix, Assignment)
diff --git a/openslides/assignment/templates/assignment/view.html b/openslides/assignment/templates/assignment/view.html
index 49f590f98..2a5d56754 100644
--- a/openslides/assignment/templates/assignment/view.html
+++ b/openslides/assignment/templates/assignment/view.html
@@ -36,21 +36,14 @@
     </span>
     </a>
 
-    {% if not assignment.itemassignment_set.all %}
-    <h4></h4>
-    <a href='{% url item_new_default 'ItemAssignment' assignment.id %}'>
-    <span class="button">
-        <span class="icon item">{%trans 'New agenda item' %}</span>
-    </span>
-    </a>
-    {% else %}
+
     <h4></h4>
     <a href='{% url assignment_activate_item assignment.id %}'>
     <span class="button">
-        <span class="icon projector">{%trans 'Show agenda item' %}</span>
+        <span class="icon projector">{%trans 'Beam assignment' %}</span>
     </span>
     </a>
-    {% endif %}
+
     </div>
     {% endif %}
 
diff --git a/openslides/beamer/templates/beamer/ItemAssignment.html b/openslides/assignment/templates/beamer/Assignment.html
similarity index 82%
rename from openslides/beamer/templates/beamer/ItemAssignment.html
rename to openslides/assignment/templates/beamer/Assignment.html
index 6304d71f3..b0a6c38eb 100644
--- a/openslides/beamer/templates/beamer/ItemAssignment.html
+++ b/openslides/assignment/templates/beamer/Assignment.html
@@ -5,31 +5,31 @@
     <script type="text/javascript" src="/static/javascript/assignment.js"></script>
 {% endblock %}
 {% block content %}
-    <h1>{% trans "Election" %}: {{ item.assignment }}</h1>
+    <h1>{% trans "Election" %}: {{ assignment }}</h1>
 
-    {% if item.assignment.status != "fin" %}
+    {% if assignment.status != "fin" %}
     <div id="sidebar">
     <div class="box">
     <p><b>{% trans "Status" %}:</b><br>
-    {% trans item.assignment.get_status_display %}</p>
-    {% if item.assignment.status == "sea" or item.assignment.status == "vot" %}
+    {% trans assignment.get_status_display %}</p>
+    {% if assignment.status == "sea" or assignment.status == "vot" %}
         <p><b>{% trans "Number of available posts" %}:</b><br>
-        {{ item.assignment.posts }}</p>
+        {{ assignment.posts }}</p>
     {% endif %}
     </div>
     </div>
     {% endif %}
 
-    {% if not item.assignment.profile.exists %}
+    {% if not assignment.profile.exists %}
     <p>
-    <div class="text">{{ item.assignment.description|linebreaks }}</div>
+    <div class="text">{{ assignment.description|linebreaks }}</div>
     </p>
     {% endif %}
 
-    {% if item.assignment.profile.exists and item.assignment.status != "fin" %}
+    {% if assignment.profile.exists and assignment.status != "fin" %}
     <h3>{% trans "Candidates" %}</h3>
     <ol>
-    {% for profile in item.assignment.profile.all|dictsort:"user.first_name" %}
+    {% for profile in assignment.profile.all|dictsort:"user.first_name" %}
         <li>{{ profile }} </li>
     {% empty %}
         <li style="list-style: none outside none;">
@@ -46,7 +46,7 @@
     <table>
     <tr>
         <th>{% trans "Candidates" %}</th>
-        {% for poll in item.assignment.poll_set.all %}
+        {% for poll in assignment.poll_set.all %}
             {% if poll.published %}
             <th><nobr>{{forloop.counter}}. {% trans "ballot" %}</nobr></th>
             {% endif %}
@@ -78,7 +78,7 @@
     </tr>
     {% empty %}
     <tr>
-        <td {% if item.assignment.profile.exist %}colspan="2"{% endif %}><i>{% trans "No ballots available." %}</i></td>
+        <td {% if assignment.profile.exist %}colspan="2"{% endif %}><i>{% trans "No ballots available." %}</i></td>
     </tr>
     {% endfor %}
     <tr>
diff --git a/openslides/assignment/views.py b/openslides/assignment/views.py
index 9c06ac1b4..70e7394e7 100644
--- a/openslides/assignment/views.py
+++ b/openslides/assignment/views.py
@@ -187,8 +187,8 @@ def delother(request, assignment_id, profile_id):
 
 @permission_required('assignment.can_manage_application')
 def set_active(request, assignment_id):
-    item = Item.objects.get(itemassignment__assignment__id=assignment_id)
-    item.set_active(False)
+    assignment = Assignment.objects.get(pk=assignment_id)
+    assignment.set_active()
     return redirect(reverse('assignment_view', args=[assignment_id]))
 
 @permission_required('assignment.can_manage_assignment')
diff --git a/openslides/beamer/api.py b/openslides/beamer/api.py
index 39f57d320..ae7f03374 100644
--- a/openslides/beamer/api.py
+++ b/openslides/beamer/api.py
@@ -1,3 +1,35 @@
+from system.api import config_set, config_get
+from beamer.models import ELEMENT
+
+
+def get_element_from_eid(eid):
+    try:
+        model, id = eid.split()
+    except ValueError:
+        return None # We need a elementError hier
+    return ELEMENT[model].objects.get(pk=id)
+
+
+def get_active_element(only_eid=False):
+    """
+    Returns the active element. If no element is active, or it can not find an Item,
+    it raise Element.DoesNotExist
+
+    if only_id is True, returns only the id of this item. Returns None if not Item
+    is active. Does not Raise Item.DoesNotExist
+    """
+    from beamer.models import Element
+    eid = config_get("presentation", None)
+
+    if only_eid:
+        return eid
+    return get_element_from_eid(eid)
+
+
+def element_register(prefix, model):
+    ELEMENT[prefix] = model
+
+
 def assignment_votes(item):
     votes = []
     if item.type == "ItemAssignment":
diff --git a/openslides/beamer/models.py b/openslides/beamer/models.py
index 71a836239..8e81c967e 100644
--- a/openslides/beamer/models.py
+++ b/openslides/beamer/models.py
@@ -1,3 +1,40 @@
 from django.db import models
 
-# Create your models here.
+from system.api import config_set, config_get
+
+ELEMENT = {}
+
+class Element(object):
+
+    def beamer(self):
+        """
+        Return a map with all Data for the Beamer
+        """
+        return {
+            'element': self,
+            'title': 'dummy-title',
+        }
+
+    @property
+    def eid(self):
+        """
+        Return the eid from this element
+        """
+        for key, value in ELEMENT.iteritems():
+            if type(self) == value:
+                return "%s %d" % (key, self.id)
+        return None
+
+    @property
+    def active(self):
+        """
+        Return True, if the the element is the active one.
+        """
+        from beamer.api import get_active_element
+        return True if get_active_element(only_eid=True) == self.eid else False
+
+    def set_active(self):
+        """
+        Appoint this item as the active one.
+        """
+        config_set("presentation", "%s %d" % (self.prefix, self.id))
diff --git a/openslides/beamer/templates/beamer/ItemPoll.html b/openslides/beamer/templates/beamer/ItemPoll.html
deleted file mode 100644
index fe26c9197..000000000
--- a/openslides/beamer/templates/beamer/ItemPoll.html
+++ /dev/null
@@ -1,19 +0,0 @@
-{% extends "beamer.html" %}
-{% block title %}{{ block.super }} - {{ item.title }}{% endblock %}
-{% block content %}
-    {%trans "Poll about" %}:
-    <h1>{{ item.title }}</h1>
-
-    <table>
-    {% for option in item.poll.get_options %}
-        <tr>
-        <td>{{ option }}</td>
-        <td>{{ option.voteyes }}</td>
-        {% if item.poll.optiondecision %}
-        <td>{{ option.voteno }}</td>
-        <td>{{ option.voteundesided }}</td>
-        {% endif %}
-        </tr>
-    {% endfor %}
-    </table>
-{% endblock %}
diff --git a/openslides/beamer/views.py b/openslides/beamer/views.py
index c1dfa9c73..269e738f7 100644
--- a/openslides/beamer/views.py
+++ b/openslides/beamer/views.py
@@ -24,11 +24,11 @@ from utils.template import render_block_to_string
 
 from system.api import config_set, config_get
 
-from agenda.api import get_active_item, is_summary, children_list, \
+from agenda.api import is_summary, children_list, \
                                   del_confirm_form_for_items
 from agenda.models import Item
 
-from beamer.api import assignment_votes, assignment_polls
+from beamer.api import get_active_element, assignment_votes, assignment_polls
 
 
 @permission_required('agenda.can_see_projector')
@@ -36,46 +36,51 @@ def beamer(request):
     """
     Shows the active Slide.
     """
-    data = {'ajax': 'on'}
-    template = ''
     try:
-        item = get_active_item()
-        votes = assignment_votes(item)
-        polls = assignment_polls(item)
-        if is_summary():
-            items = item.children.filter(hidden=False)
-            data['items'] = items
-            data['title'] = item.title
-            template = 'beamer/overview.html'
+        element = get_active_element()
+    except Item.DoesNotExist: #TODO: It has to be an Element.DoesNotExist
+        element = None
+
+
+    if element is None:
+        data = {}
+    else:
+        data = element.beamer()
+
+    data['ajax'] = 'on'
+
+    if element is None or (type(element) == Item and is_summary()):
+
+        if element is None:
+            items = Item.objects.filter(parent=None) \
+                    .filter(hidden=False).order_by('weight')
+            data['title'] = _("Agenda")
         else:
-            data['item'] = item.cast()
-            data['title'] = item.title
-            data['votes'] = votes
-            data['polls'] = polls
-            template = 'beamer/%s.html' % (item.type)
-    except Item.DoesNotExist:
-        items = Item.objects.filter(parent=None).filter(hidden=False) \
-                            .order_by('weight')
+            items = element.children.filter(hidden=False)
+            data['title'] = element.title
         data['items'] = items
-        data['title'] = _("Agenda")
-        template = 'beamer/overview.html'
+        data['template'] = 'beamer/AgendaSummary.html'
+
 
     if request.is_ajax():
-        content = render_block_to_string(template, 'content', data)
-        jsondata = {'content': content,
-                    'title': data['title'],
-                    'time': datetime.now().strftime('%H:%M'),
-                    'bigger': config_get('bigger'),
-                    'up': config_get('up'),
-                    'countdown_visible': config_get('countdown_visible'),
-                    'countdown_time': config_get('agenda_countdown_time'),
-                    'countdown_control': config_get('countdown_control'),
-                   }
+        content = render_block_to_string(data['template'], 'content', data)
+        jsondata = {
+            'content': content,
+            'title': data['title'],
+            'time': datetime.now().strftime('%H:%M'),
+            'bigger': config_get('bigger'),
+            'up': config_get('up'),
+            'countdown_visible': config_get('countdown_visible'),
+            'countdown_time': config_get('agenda_countdown_time'),
+            'countdown_control': config_get('countdown_control'),
+        }
         return ajax_request(jsondata)
     else:
-        return render_to_response(template,
-                                  data,
-                                  context_instance=RequestContext(request))
+        return render_to_response(
+            data['template'],
+            data,
+            context_instance=RequestContext(request)
+        )
 
 
 @permission_required('agenda.can_manage_agenda')