update preview when live background is replaaced

openlp/plugins/images/lib/mediaitem.py

@@ -31,7 +31,7 @@ from PyQt4 import QtCore, QtGui
 
 from openlp.core.lib import MediaManagerItem, BaseListWithDnD, build_icon, \
     ItemCapabilities, SettingsManager, translate, check_item_selected, \
-    check_directory_exists
+    check_directory_exists, Receiver
 from openlp.core.ui import criticalErrorMessageBox
 from openlp.core.utils import AppLocation, delete_file, get_images_filter
 
@@ -187,12 +187,17 @@ class ImageMediaItem(MediaManagerItem):
             return False
 
     def onResetClick(self):
+        """
+        Called to reset the Live backgound with the image selected,
+        """
         self.resetAction.setVisible(False)
         self.parent.liveController.display.resetImage()
+        # Update the preview frame.
+        Receiver.send_message(u'maindisplay_active')
 
     def onReplaceClick(self):
         """
-        Called to replace Live backgound with the video selected
+        Called to replace Live backgound with the image selected.
         """
         if check_item_selected(self.listView,
             translate('ImagePlugin.MediaItem',
@@ -204,6 +209,8 @@ class ImageMediaItem(MediaManagerItem):
                 (path, name) = os.path.split(filename)
                 self.parent.liveController.display.directImage(name, filename)
                 self.resetAction.setVisible(True)
+                # Update the preview frame.
+                Receiver.send_message(u'maindisplay_active')
             else:
                 criticalErrorMessageBox(
                     translate('ImagePlugin.MediaItem', 'Live Background Error'),

openlp/plugins/media/lib/mediaitem.py

@@ -30,7 +30,7 @@ import os
 from PyQt4 import QtCore, QtGui
 
 from openlp.core.lib import MediaManagerItem, BaseListWithDnD, build_icon, \
-    ItemCapabilities, SettingsManager, translate, check_item_selected
+    ItemCapabilities, SettingsManager, translate, check_item_selected, Receiver
 from openlp.core.ui import criticalErrorMessageBox
 
 log = logging.getLogger(__name__)
@@ -40,6 +40,7 @@ class MediaListView(BaseListWithDnD):
         self.PluginName = u'Media'
         BaseListWithDnD.__init__(self, parent)
 
+
 class MediaMediaItem(MediaManagerItem):
     """
     This is the custom media manager item for Media Slides.
@@ -92,10 +93,18 @@ class MediaMediaItem(MediaManagerItem):
         self.resetAction.setVisible(False)
 
     def onResetClick(self):
+        """
+        Called to reset the Live backgound with the media selected,
+        """
         self.resetAction.setVisible(False)
         self.parent.liveController.display.resetVideo()
+        # Update the preview frame.
+        Receiver.send_message(u'maindisplay_active')
 
     def onReplaceClick(self):
+        """
+        Called to replace Live backgound with the media selected.
+        """
         if check_item_selected(self.listView,
             translate('MediaPlugin.MediaItem',
             'You must select a media file to replace the background with.')):
@@ -105,6 +114,8 @@ class MediaMediaItem(MediaManagerItem):
                 (path, name) = os.path.split(filename)
                 self.parent.liveController.display.video(filename, 0, True)
                 self.resetAction.setVisible(True)
+                # Update the preview frame.
+                Receiver.send_message(u'maindisplay_active')
             else:
                 criticalErrorMessageBox(translate('MediaPlugin.MediaItem',
                     'Live Background Error'),