Show powerpoint slide thumbnails in slidecontroller

openlp/core/lib/serviceitem.py

@@ -167,7 +167,7 @@ class ServiceItem(object):
         self.service_frames.append(
             {u'title': frame_title, u'raw_slide': raw_slide})
 
-    def add_from_command(self, path, frame_title):
+    def add_from_command(self, path, frame_title, image):
         """
         Add a slide from a command.
 
@@ -180,7 +180,7 @@ class ServiceItem(object):
         self.service_item_type = ServiceType.Command
         self.service_item_path = path
         self.service_frames.append(
-            {u'title': frame_title, u'command': None})
+            {u'title': frame_title, u'command': None, u'text':None, u'image': image})
 
     def get_service_repr(self):
         """

openlp/core/ui/slidecontroller.py

@@ -250,8 +250,7 @@ class SlideController(QtGui.QWidget):
             Receiver().send_message(u'%s_start' % item.name.lower(), \
                 [item.shortname, item.service_item_path,
                 item.service_frames[0][u'title']])
-        else:
+        self.displayServiceManagerItems(item, 0)
-            self.displayServiceManagerItems(item, 0)
 
     def addServiceManagerItem(self, item, slideno):
         """
@@ -270,8 +269,7 @@ class SlideController(QtGui.QWidget):
             Receiver().send_message(u'%s_start' % item.name.lower(), \
                 [item.shortname, item.service_item_path,
                 item.service_frames[0][u'title'], slideno])
-        else:
+        self.displayServiceManagerItems(item, slideno)
-            self.displayServiceManagerItems(item, slideno)
 
     def displayServiceManagerItems(self, serviceitem, slideno):
         """

openlp/plugins/presentations/lib/impresscontroller.py

@@ -129,9 +129,6 @@ class ImpressController(PresentationController):
                 0, properties)
             self.presentation = self.document.getPresentation()
             self.presentation.Display = self.plugin.render_manager.current_display + 1
-            self.presentation.start()
-            self.controller = \
-                desktop.getCurrentComponent().Presentation.getController()
         except:
             log.exception(u'Failed to load presentation')
             return
@@ -279,5 +276,9 @@ class ImpressController(PresentationController):
         ``slide_no``
         The slide an image is required for, starting at 1
         """
-        return os.path.join(self.thumbnailpath,
+        path = os.path.join(self.thumbnailpath,
             self.thumbnailprefix + unicode(slide_no) + u'.png')
+        if os.path.isfile(path):
+            return path
+        else:
+            return None

openlp/plugins/presentations/lib/mediaitem.py

@@ -132,9 +132,18 @@ class PresentationMediaItem(MediaManagerItem):
             return False
         service_item.title = unicode(self.DisplayTypeComboBox.currentText())
         service_item.shortname = unicode(self.DisplayTypeComboBox.currentText())
+        cont = self.controllers[service_item.shortname]
         for item in items:
             bitem = self.ListView.item(item.row())
             filename = unicode((bitem.data(QtCore.Qt.UserRole)).toString())
             (path, name) = os.path.split(filename)
-            service_item.add_from_command(path, name)
+            cont.store_filename(filename)
+            if cont.get_slide_preview_file(1) is None:
+                cont.load_presentation(filename)
+            i = 1
+            img = cont.get_slide_preview_file(i)
+            while img is not None:
+                service_item.add_from_command(path, name, img)
+                i = i + 1
+                img = cont.get_slide_preview_file(i)
         return True

openlp/plugins/presentations/lib/messagelistener.py

@@ -66,6 +66,7 @@ class MessageListener(object):
         if self.controller.is_loaded():
             self.shutdown(None)
         self.controller.load_presentation(file)
+        self.controller.start_presentation()
         self.controller.slidenumber = 0
 
     def activate(self):

openlp/plugins/presentations/lib/powerpointcontroller.py

@@ -127,7 +127,6 @@ class PowerpointController(PresentationController):
                 return
             self.presentation = self.process.Presentations(self.process.Presentations.Count)
             self.create_thumbnails()
-            self.start_presentation()
 
         def create_thumbnails(self):
             """
@@ -250,5 +249,9 @@ class PowerpointController(PresentationController):
             ``slide_no``
             The slide an image is required for, starting at 1
             """
-            return os.path.join(self.thumbnailpath,
+            path = os.path.join(self.thumbnailpath,
                 self.thumbnailprefix + unicode(slide_no) + u'.png')
+            if os.path.isfile(path):
+                return path
+            else:
+                return None

openlp/plugins/presentations/lib/pptviewcontroller.py

@@ -112,6 +112,7 @@ class PptviewController(PresentationController):
             try:
                 self.pptid = self.process.OpenPPT(filepath, None, rect,
                     str(os.path.join(self.thumbnailpath, self.thumbnailprefix)))
+                self.stop_presentation()
             except:
                 log.exception(u'Failed to load presentation')
 
@@ -201,6 +202,10 @@ class PptviewController(PresentationController):
             ``slide_no``
                 The slide an image is required for, starting at 1
             """
-            return os.path.join(self.thumbnailpath,
+            path = os.path.join(self.thumbnailpath,
                 self.thumbnailprefix + unicode(slide_no) + u'.bmp')
+            if os.path.isfile(path):
+                return path
+            else:
+                return None