From 076699ff45eebb1e52e42be3defea79838dde2b4 Mon Sep 17 00:00:00 2001
From: Emanuel Schuetze <emanuel@intevation.de>
Date: Wed, 9 Nov 2011 21:16:02 +0100
Subject: [PATCH] #52: Added countdown on projector view with control unit
 (agenda overview) and time variable (general settings).

---
 .../agenda/templates/agenda/overview.html     | 25 +++++++--
 openslides/agenda/templates/beamer.html       |  2 +
 openslides/agenda/urls.py                     | 10 ++++
 openslides/agenda/views.py                    | 31 +++++++++-
 openslides/static/javascript/agenda.js        | 32 ++++++++++-
 openslides/static/javascript/beamer.js        | 56 +++++++++++++++++++
 openslides/static/styles/agenda.css           | 16 ++++++
 openslides/static/styles/beamer.css           | 14 ++++-
 openslides/system/forms.py                    |  6 ++
 openslides/system/models.py                   |  1 +
 .../system/templates/system/general.html      |  5 ++
 openslides/system/views.py                    | 11 +++-
 12 files changed, 197 insertions(+), 12 deletions(-)

diff --git a/openslides/agenda/templates/agenda/overview.html b/openslides/agenda/templates/agenda/overview.html
index 9aca890a5..8d8093f0d 100644
--- a/openslides/agenda/templates/agenda/overview.html
+++ b/openslides/agenda/templates/agenda/overview.html
@@ -12,7 +12,6 @@
     <script type="text/javascript" src="/static/javascript/tabledrag.js"></script>
     <script type="text/javascript" src="/static/javascript/knockout-1.2.1.js"></script>
     <script type="text/javascript" src="/static/javascript/agenda.js"></script>
-    <script type="text/html" src="/static/javascript/agenda.slideTemplate.js"></script>
 
     <script type="text/javascript">
     <!--//--><![CDATA[//><!--
@@ -48,13 +47,27 @@
                 <input type="button" onclick="window.location.href='{% url item_overview %}';" value="{%trans 'No' %}">
             </em>
         </div>
-        <div style="text-align:right; padding-bottom:3px;">
+
+        <div style="text-align: right; padding: 0 5px 5px 0; margin-top:-20px;">
+        <!-- countdown -->
+        <input type="checkbox" name="countdown" onchange="document.location='{% if countdown_visible == "True" %}{% url countdown_close %}{% else %}{% url countdown_open %}{% endif %}'"
+            {% if countdown_visible == "True" %}checked{% endif %}>
+        {% trans "Countdown" %} ({{countdown_time}} {% trans "sec" %}){% if countdown_visible == "True" %}:
+        <a class="beamer_countdown" href="{% url countdown_reset countdown_time %}" title="{% trans 'Reset countdown' %}"><img src="/static/images/icons/media-skip-backward.png"></a>
+        <a class="beamer_countdown" href="{% url countdown_start %}" title="{% trans 'Start countdown' %}"><img src="/static/images/icons/media-playback-start.png"></a>
+        <a class="beamer_countdown" href="{% url countdown_stop %}" title="{% trans 'Stop countdown' %}"><img src="/static/images/icons/media-playback-pause.png"></a>
+        {% endif %}
+        <p></p>
+        <!-- beamer control -->
         {% trans "Adjust projector view" %}:
-        <a class="beamer_edit" href="{% url beamer_bigger %}"><img src="/static/images/icons/zoom-in.png"></a> <a class="beamer_edit" href="{% url beamer_smaller %}"><img src="/static/images/icons/zoom-out.png"></a>
-        <a class="beamer_edit" href="{% url beamer_up %}"><img src="/static/images/icons/go-up.png"></a> <a class="beamer_edit" href="{% url beamer_down %}"><img src="/static/images/icons/go-down.png"></a>
-        <a class="beamer_edit" href="{% url beamer_clean %}"><img src="/static/images/icons/view-restore.png"></a>
+        <a class="beamer_edit" href="{% url beamer_bigger %}" title="{% trans 'Zoom in' %}"><img src="/static/images/icons/zoom-in.png"></a>
+        <a class="beamer_edit" href="{% url beamer_smaller %}" title="{% trans 'Zoom out' %}"><img src="/static/images/icons/zoom-out.png"></a>
+        <a class="beamer_edit" href="{% url beamer_up %}" title="{% trans 'Scroll text up' %}"><img src="/static/images/icons/go-up.png"></a>
+        <a class="beamer_edit" href="{% url beamer_down %}" title="{% trans 'Scroll text down' %}"><img src="/static/images/icons/go-down.png"></a>
+        <a class="beamer_edit" href="{% url beamer_clean %}" title="{% trans 'Reset projector view' %}"><img src="/static/images/icons/view-restore.png"></a>
         </div>
         {% endif %}
+
         <table id="menu-overview" class="agendatable">
             <tr>
                 {% if perms.agenda.can_manage_agenda %}
@@ -153,7 +166,7 @@
                 <td style="width: 1px;white-space: nowrap;">
                     <a href="{{ item.get_absolute_url }}"><img src="/static/images/icons/document-preview.png" title="{% trans 'Show projector preview' %}"></a>
 
-                    {% if  perms.agenda.can_manage_agenda %}
+                    {% if perms.agenda.can_manage_agenda %}
                     <a href="{% url item_edit item.id %}"><img src="/static/images/icons/document-edit.png" title="{% trans 'Edit item' %}"></a>
                     <a href="{% url item_delete item.id %}"><img src="/static/images/icons/edit-delete.png" title="{% trans 'Delete item' %}"></a>
 
diff --git a/openslides/agenda/templates/beamer.html b/openslides/agenda/templates/beamer.html
index d9dbacb96..18fdc4bfb 100644
--- a/openslides/agenda/templates/beamer.html
+++ b/openslides/agenda/templates/beamer.html
@@ -28,6 +28,8 @@
         {% now "H:i" %}
     </div>
 
+    <div id="countdown">0:00</div>
+
     <div id="content">
     {% block content %}
     {% endblock %}
diff --git a/openslides/agenda/urls.py b/openslides/agenda/urls.py
index cf056be23..c04888ee1 100644
--- a/openslides/agenda/urls.py
+++ b/openslides/agenda/urls.py
@@ -66,4 +66,14 @@ urlpatterns = patterns('agenda.views',
     url(r'^beamer/down$', 'beamer_edit', {'direction': 'down'}, name='beamer_down'),
 
     url(r'^beamer/clean$', 'beamer_edit', {'direction': 'clean'}, name='beamer_clean'),
+
+    url(r'^beamer/countdown/show$', 'beamer_countdown', {'command': 'show'}, name='countdown_open'),
+
+    url(r'^beamer/countdown/hide$', 'beamer_countdown', {'command': 'hide'}, name='countdown_close'),
+
+    url(r'^beamer/countdown/reset/(?P<time>\d+)$', 'beamer_countdown', {'command': 'reset'}, name='countdown_reset'),
+
+    url(r'^beamer/countdown/start$', 'beamer_countdown', {'command': 'start'}, name='countdown_start'),
+
+    url(r'^beamer/countdown/stop$', 'beamer_countdown', {'command': 'stop'}, name='countdown_stop'),
 )
diff --git a/openslides/agenda/views.py b/openslides/agenda/views.py
index a27c508d7..d060ca6fd 100644
--- a/openslides/agenda/views.py
+++ b/openslides/agenda/views.py
@@ -83,7 +83,11 @@ def beamer(request):
                     'title': data['title'],
                     'time': datetime.now().strftime('%H:%M'),
                     'bigger': config_get('bigger'),
-                    'up': config_get('up')}
+                    '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,
@@ -108,6 +112,27 @@ def beamer_edit(request, direction):
         return ajax_request({})
     return redirect(reverse('item_overview'))
 
+@permission_required('agenda.can_manage_agenda')
+def beamer_countdown(request, command, time=60):
+    if command == 'show':
+        config_set('countdown_visible', True)
+    elif command == 'hide':
+        config_set('countdown_visible', False)
+    elif command == 'reset':
+        config_set('countdown_control', 'reset')
+    elif command == 'start':
+        config_set('countdown_control', 'start')
+    elif command == 'stop':
+        config_set('countdown_control', 'stop')
+
+    if request.is_ajax():
+        if command == "show":
+            link = reverse('countdown_close')
+        else:
+            link = reverse('countdown_open')
+        return ajax_request({'countdown_visible': config_get('countdown_visible'),
+                             'link': link})
+    return redirect(reverse('item_overview'))
 
 def assignment_votes(item):
     votes = []
@@ -170,7 +195,9 @@ def overview(request):
         'items': items,
         'items_hidden': items_hidden,
         'overview': overview,
-        'summary': is_summary()
+        'summary': is_summary(),
+        'countdown_visible': config_get('countdown_visible'),
+        'countdown_time': config_get('agenda_countdown_time'),
         }
 
 
diff --git a/openslides/static/javascript/agenda.js b/openslides/static/javascript/agenda.js
index 9f0f6be6c..8e6e7a34e 100644
--- a/openslides/static/javascript/agenda.js
+++ b/openslides/static/javascript/agenda.js
@@ -104,7 +104,7 @@ $(function() {
         hideClosedSlides(true);
     }
 
-    // controll beamer
+    // control beamer
     $('.beamer_edit').click(function(event) {
         event.preventDefault();
         link = $(this);
@@ -117,5 +117,35 @@ $(function() {
         });
     });
 
+    // control countdown
+    $('.beamer_countdown').click(function(event) {
+        event.preventDefault();
+        link = $(this);
+        $.ajax({
+            type: 'GET',
+            url: link.attr('href'),
+            dataType: 'json',
+            success: function(data) {
+            }
+        });
+    });
+    $('.countdown_visible_link').click(function(event) {
+        event.preventDefault();
+        link = $(this);
+        $.ajax({
+            type: 'GET',
+            url: link.attr('href'),
+            dataType: 'json',
+            success: function(data) {
+                if (data.countdown_visible == "True") {
+                    newclass = 'open';
+                } else {
+                    newclass = 'closed';
+                }
+                link.removeClass('closed open').addClass(newclass);
+                link.attr('href', data.link);
+            }
+        });
+    });    
     ko.applyBindings(ViewModel);
 });
diff --git a/openslides/static/javascript/beamer.js b/openslides/static/javascript/beamer.js
index c3e93ae35..4f6cf0fdf 100644
--- a/openslides/static/javascript/beamer.js
+++ b/openslides/static/javascript/beamer.js
@@ -14,6 +14,18 @@ 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);
+                if (data.countdown_visible == "True")
+                    $('#countdown').slideDown();
+                if (data.countdown_visible == "False")
+                    $('#countdown').slideUp();
+                if (data.countdown_control == "reset")
+                    resetTimer(data.countdown_time);
+                if (data.countdown_control == 'start') {
+                    if (!timer_is_running)
+                        startTimer();
+                }
+                if (data.countdown_control == 'stop')
+                    stopTimer();
                 setTimeout("presentation_reload()", 500);
             },
             error: function () {
@@ -38,3 +50,47 @@ $(document).ready(function() {
     switchajax();
     presentation_reload();
 });
+
+// *** Countdown variables and functions *** 
+var timer_value;
+var timer_is_running=false;
+var timer_is_visible=false;
+var timerIntervalId;
+
+function resetTimer(value) {
+    stopTimer()
+    timer_value = value;
+    updateTimer();
+}
+function stopTimer() {
+  timer_is_running = false;
+  clearInterval(timerIntervalId);
+}
+
+function startTimer() {
+  timer_is_running = true;
+  if (timer_value > 0) {
+    timerIntervalId = setInterval("decrementTimer()", 1000);
+  }
+}
+function decrementTimer() {
+  timer_value--;
+  if (timer_value <= 0) {
+    timer_value = 0;
+    stopTimer();
+  }
+  updateTimer();
+}
+function convertSeconds(s) {
+  var m = Math.floor(s / 60);
+  s %= 60;
+  var h = Math.floor(m / 60);
+  m %= 60;
+  return (h>0?h+':':'') + (h>0&&m<10?'0':'') + m + ':' + (s<10?'0':'') + s;
+}
+
+function updateTimer() {
+  if (timer_value >= 0) {
+    $("#countdown").html(convertSeconds(timer_value));
+  }
+}
\ No newline at end of file
diff --git a/openslides/static/styles/agenda.css b/openslides/static/styles/agenda.css
index d2552c076..b5d5b21a6 100644
--- a/openslides/static/styles/agenda.css
+++ b/openslides/static/styles/agenda.css
@@ -47,3 +47,19 @@ a.hidelink.show div {
     display: inline-block;
 }
 
+a.countdown_visible_link.closed div {
+    background-image: url(/static/images/icons/user-offline.png);
+    background-repeat: no-repeat;
+    background-position: center;
+    width: 16px;
+    height: 16px;
+    display: inline-block;
+}
+a.countdown_visible_link.open div {
+    background-image: url(/static/images/icons/user-online.png);
+    background-repeat: no-repeat;
+    background-position: center;
+    width: 16px;
+    height: 16px;
+    display: inline-block;
+}
\ No newline at end of file
diff --git a/openslides/static/styles/beamer.css b/openslides/static/styles/beamer.css
index 22da8348d..2e6108ee6 100644
--- a/openslides/static/styles/beamer.css
+++ b/openslides/static/styles/beamer.css
@@ -56,10 +56,22 @@ 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;
+    font-size: 4em;
+    font-weight: bold;
+    padding: 0 1em;
+    position: fixed;
+    right: 40px;
+    top: 0;
+    background: #DDD9D9;
+    border-bottom-left-radius: 0.75em;
+    border-bottom-right-radius: 0.75em;
+}
+
 
 /*** CONTENT ***/
 #content {
diff --git a/openslides/system/forms.py b/openslides/system/forms.py
index b069d738e..13812fb7a 100644
--- a/openslides/system/forms.py
+++ b/openslides/system/forms.py
@@ -32,6 +32,12 @@ class EventConfigForm(Form):
     event_location = CharField(widget=TextInput(), required=False, label=_("Event location"))
     event_organizer = CharField(widget=TextInput(), required=False, label=_("Event organizer"))
 
+class AgendaConfigForm(Form):
+    error_css_class = 'error'
+    required_css_class = 'required'
+
+    agenda_countdown_time = IntegerField(widget=TextInput(attrs={'class':'small-input'}),label=_("Countdown (in seconds)"),initial=60, min_value=0)
+
 class ApplicationConfigForm(Form):
     error_css_class = 'error'
     required_css_class = 'required'
diff --git a/openslides/system/models.py b/openslides/system/models.py
index b14014462..166188bc3 100644
--- a/openslides/system/models.py
+++ b/openslides/system/models.py
@@ -16,6 +16,7 @@ from django.utils.translation import ugettext as _
 DEFAULT_DATA  = {
     'event_name': 'OpenSlides',
     'event_description': 'Presentation and voting system',
+    'agenda_countdown_time': 60,
     'application_min_supporters': 4,
     'application_preamble': 'Die Versammlung möge beschließen,',
     'application_pdf_title': _('Applications'),
diff --git a/openslides/system/templates/system/general.html b/openslides/system/templates/system/general.html
index e293ae246..d28c50ae9 100644
--- a/openslides/system/templates/system/general.html
+++ b/openslides/system/templates/system/general.html
@@ -9,6 +9,11 @@
         {{ form_event.as_p }}
     </fieldset>
     <p></p>
+    <fieldset>
+        <legend>{%trans "Agenda" %}</legend>
+        {{ form_agenda.as_p }}
+    </fieldset>
+    <p></p>
     <fieldset>
         <legend>{%trans "Application" %}</legend>
         {{ form_application.as_p }}
diff --git a/openslides/system/views.py b/openslides/system/views.py
index 9f2a5cac9..9239b3dea 100644
--- a/openslides/system/views.py
+++ b/openslides/system/views.py
@@ -16,7 +16,7 @@ from django.contrib import messages
 from django.utils.translation import ugettext as _
 from utils.utils import template
 from utils.utils import template, permission_required
-from system.forms import SystemConfigForm, EventConfigForm, ApplicationConfigForm, AssignmentConfigForm
+from system.forms import SystemConfigForm, EventConfigForm, AgendaConfigForm, ApplicationConfigForm, AssignmentConfigForm
 from system.api import config_get, config_set
 
 @permission_required('system.can_manage_system')
@@ -45,15 +45,18 @@ def get_system_config(request):
 def get_general_config(request):
     if request.method == 'POST':
         form_event = EventConfigForm(request.POST, prefix='event')
+        form_agenda = AgendaConfigForm(request.POST, prefix='agenda')
         form_application = ApplicationConfigForm(request.POST, prefix='application')
         form_assignment = AssignmentConfigForm(request.POST, prefix='assignment')
-        if form_event.is_valid() and form_application.is_valid() and form_assignment.is_valid():
+        if form_event.is_valid() and form_agenda.is_valid() and form_application.is_valid() and form_assignment.is_valid():
             # event form
             config_set('event_name', form_event.cleaned_data['event_name'])
             config_set('event_description', form_event.cleaned_data['event_description'])
             config_set('event_date', form_event.cleaned_data['event_date'])
             config_set('event_location', form_event.cleaned_data['event_location'])
             config_set('event_organizer', form_event.cleaned_data['event_organizer'])
+            # agenda form
+            config_set('agenda_countdown_time', form_agenda.cleaned_data['agenda_countdown_time'])
             # application form
             config_set('application_min_supporters', form_application.cleaned_data['application_min_supporters'])
             config_set('application_preamble', form_application.cleaned_data['application_preamble'])
@@ -78,6 +81,9 @@ def get_general_config(request):
             'event_location': config_get('event_location'),
             'event_organizer': config_get('event_organizer'),
         }, prefix='event')
+        form_agenda = AgendaConfigForm(initial={
+            'agenda_countdown_time': config_get('agenda_countdown_time'),
+        }, prefix='agenda')
         form_application = ApplicationConfigForm(initial={
             'application_min_supporters': config_get('application_min_supporters'),
             'application_preamble': config_get('application_preamble'),
@@ -94,6 +100,7 @@ def get_general_config(request):
         }, prefix='assignment')
     return {
         'form_event': form_event,
+        'form_agenda': form_agenda,
         'form_application': form_application,
         'form_assignment': form_assignment,
     }