Video length tagging and display

openlp/core/lib/serviceitem.py

@@ -28,11 +28,14 @@ The :mod:`serviceitem` provides the service item functionality including the
 type and capability of an item.
 """
 
+import datetime
 import logging
+import mutagen
 import os
 import uuid
 
 from openlp.core.lib import build_icon, clean_tags, expand_tags
+from openlp.core.lib.ui import UiStrings
 
 log = logging.getLogger(__name__)
 
@@ -106,7 +109,7 @@ class ServiceItem(object):
         self.data_string = u''
         self.edit_id = None
         self.xml_version = None
-        self.start_time =[0, 0, 0]
+        self.start_time = [0, 0, 0]
         self._new_item()
 
     def _new_item(self):
@@ -425,3 +428,30 @@ class ServiceItem(object):
             return self._raw_frames[row][u'path']
         except IndexError:
             return u''
+
+    def get_media_time(self):
+        """
+        Returns the start and finish time for a media item
+        """
+        tooltip = None
+        start = None
+        end = None
+        if self.start_time != [0, 0, 0]:
+            start = UiStrings.Start % \
+                (self.start_time[0], self.start_time[1], self.start_time[2])
+        path = os.path.join(self.get_frames()[0][u'path'],
+            self.get_frames()[0][u'title'])
+        if os.path.isfile(path):
+            file = mutagen.File(path)
+            if file is not None:
+                seconds = int(file.info.length)
+                end = UiStrings.Length % \
+                    unicode(datetime.timedelta(seconds=seconds))
+        if not start and not end:
+            return None
+        elif start and not end:
+            return start
+        elif not start and end:
+            return end
+        else:
+            return u'%s : %s' % (start, end)

openlp/core/lib/ui.py

@@ -58,6 +58,7 @@ class UiStrings(object):
     ExportType = unicode(translate('OpenLP.Ui', 'Export %s'))
     Import = translate('OpenLP.Ui', 'Import')
     ImportType = unicode(translate('OpenLP.Ui', 'Import %s'))
+    Length = unicode(translate('OpenLP.Ui', 'Length %s'))
     Live = translate('OpenLP.Ui', 'Live')
     Load = translate('OpenLP.Ui', 'Load')
     LoadANew = unicode(translate('OpenLP.Ui', 'Load a new %s.'))
@@ -75,10 +76,10 @@ class UiStrings(object):
     SendSelectLive = unicode(translate('OpenLP.Ui',
         'Send the selected %s live.'))
     Service = translate('OpenLP.Ui', 'Service')
+    Start = unicode(translate('OpenLP.Ui', 'Start %02d:%02d:%02d'))
     Theme = translate('OpenLP.Ui', 'Theme')
     Themes = translate('OpenLP.Ui', 'Themes')
 
-
 def add_welcome_page(parent, image):
     """
     Generate an opening welcome page for a wizard using a provided image.

openlp/core/ui/servicemanager.py

@@ -611,12 +611,14 @@ class ServiceManager(QtGui.QWidget):
         item = self.findServiceItem()[0]
         self.startTimeForm.item = self.serviceItems[item]
         if self.startTimeForm.exec_():
+            self.serviceItems[item][u'service_item'].start_time = [0, 0, 0]
             self.serviceItems[item][u'service_item'].start_time[0] = \
                 self.startTimeForm.hourSpinBox.value()
             self.serviceItems[item][u'service_item'].start_time[1] = \
                 self.startTimeForm.minuteSpinBox.value()
             self.serviceItems[item][u'service_item'].start_time[2] = \
                 self.startTimeForm.secondSpinBox.value()
+            self.repaintServiceList(item, -1)
 
     def onServiceItemEditForm(self):
         item = self.findServiceItem()[0]
@@ -864,6 +866,9 @@ class ServiceManager(QtGui.QWidget):
                 text = frame[u'title'].replace(u'\n', u' ')
                 child.setText(0, text[:40])
                 child.setData(0, QtCore.Qt.UserRole, QtCore.QVariant(count))
+                tip= item[u'service_item'].get_media_time()
+                if tip:
+                    child.setToolTip(0, tip)
                 if serviceItem == itemcount:
                     if item[u'expanded'] and serviceItemChild == count:
                         self.serviceManagerList.setCurrentItem(child)

openlp/core/ui/starttimeform.py

@@ -46,3 +46,4 @@ class StartTimeForm(QtGui.QDialog, Ui_StartTimeDialog):
         self.minuteSpinBox.setValue(self.item[u'service_item'].start_time[1])
         self.secondSpinBox.setValue(self.item[u'service_item'].start_time[2])
         return QtGui.QDialog.exec_(self)
+