Remove Theme Delete button on Golbal theme

openlp/core/lib/mediamanageritem.py

@@ -266,7 +266,7 @@ class MediaManagerItem(QtGui.QWidget):
         """
         Creates the main widget for listing items the media item is tracking
         """
-        #Add the List widget
+        # Add the List widget
         self.listView = self.ListViewWithDnD_class(self)
         self.listView.uniformItemSizes = True
         self.listView.setSpacing(1)
@@ -275,9 +275,9 @@ class MediaManagerItem(QtGui.QWidget):
         self.listView.setAlternatingRowColors(True)
         self.listView.setDragEnabled(True)
         self.listView.setObjectName(u'%sListView' % self.plugin.name)
-        #Add to pageLayout
+        # Add to pageLayout
         self.pageLayout.addWidget(self.listView)
-        #define and add the context menu
+        # define and add the context menu
         self.listView.setContextMenuPolicy(QtCore.Qt.ActionsContextMenu)
         name_string = self.plugin.getString(StringContent.Name)
         if self.hasEditIcon:

openlp/core/ui/thememanager.py

@@ -51,7 +51,8 @@ class ThemeManager(QtGui.QWidget):
         self.settingsSection = u'themes'
         self.themeForm = ThemeForm(self)
         self.fileRenameForm = FileRenameForm(self)
-        self.serviceComboBox = self.mainwindow.ServiceManagerContents.themeComboBox
+        self.serviceComboBox =\
+            self.mainwindow.ServiceManagerContents.themeComboBox
         # start with the layout
         self.layout = QtGui.QVBoxLayout(self)
         self.layout.setSpacing(0)
@@ -68,7 +69,7 @@ class ThemeManager(QtGui.QWidget):
             u':/themes/theme_edit.png',
             translate('OpenLP.ThemeManager', 'Edit a theme.'),
             self.onEditTheme)
-        self.toolbar.addToolbarButton(
+        self.deleteToolbarAction = self.toolbar.addToolbarButton(
             translate('OpenLP.ThemeManager', 'Delete Theme'),
             u':/general/general_delete.png',
             translate('OpenLP.ThemeManager', 'Delete a theme.'),
@@ -123,6 +124,9 @@ class ThemeManager(QtGui.QWidget):
         QtCore.QObject.connect(self.themeListWidget,
             QtCore.SIGNAL(u'doubleClicked(QModelIndex)'),
             self.changeGlobalFromScreen)
+        QtCore.QObject.connect(self.themeListWidget,
+            QtCore.SIGNAL(u'itemClicked(QListWidgetItem *)'),
+            self.checkListState)
         QtCore.QObject.connect(Receiver.get_receiver(),
             QtCore.SIGNAL(u'theme_update_global'), self.changeGlobalFromTab)
         QtCore.QObject.connect(Receiver.get_receiver(),
@@ -146,6 +150,17 @@ class ThemeManager(QtGui.QWidget):
             self.settingsSection + u'/global theme',
             QtCore.QVariant(u'')).toString())
 
+    def checkListState(self, item):
+        """
+        If Default theme selected remove delete button.
+        """
+        realThemeName = unicode(item.data(QtCore.Qt.UserRole).toString())
+        themeName = unicode(item.text())
+        if realThemeName == themeName:
+            self.deleteToolbarAction.setVisible(True)
+        else:
+            self.deleteToolbarAction.setVisible(False)
+
     def contextMenu(self, point):
         """
         Build the Right Click Context menu and set state depending on

openlp/core/utils/__init__.py

@@ -207,7 +207,7 @@ def check_latest_version(current_version):
         The current version of OpenLP.
     """
     version_string = current_version[u'full']
-    #set to prod in the distribution config file.
+    # set to prod in the distribution config file.
     settings = QtCore.QSettings()
     settings.beginGroup(u'general')
     last_test = unicode(settings.value(u'last version test',