Fix up some strings and come bugs in the alerts plugin.

openlp/plugins/alerts/alertsplugin.py

@@ -35,7 +35,7 @@ from openlp.plugins.alerts.forms import AlertForm
 
 log = logging.getLogger(__name__)
 
-class alertsPlugin(Plugin):
+class AlertsPlugin(Plugin):
     log.info(u'Alerts Plugin loaded')
 
     def __init__(self, plugin_helpers):
@@ -88,7 +88,7 @@ class alertsPlugin(Plugin):
         Plugin.finalise(self)
         self.toolsAlertItem.setVisible(False)
 
-    def togglealertsState(self):
+    def toggleAlertsState(self):
         self.alertsActive = not self.alertsActive
         QtCore.QSettings().setValue(
             self.settingsSection + u'/active',
@@ -102,4 +102,5 @@ class alertsPlugin(Plugin):
         about_text = translate('AlertsPlugin',
             '<b>Alerts Plugin</b><br>This plugin '
             'controls the displaying of alerts on the presentations screen')
-        return about_text
+        return about_text
+

openlp/plugins/alerts/forms/alertform.py

@@ -88,13 +88,14 @@ class AlertForm(QtGui.QDialog, Ui_AlertDialog):
         self.AlertTextEdit.setText(u'')
         self.SaveButton.setEnabled(False)
         self.DeleteButton.setEnabled(False)
-        self.EditButton.setEnabled(False)
 
     def onNewClick(self):
         if len(self.AlertTextEdit.text()) == 0:
             QtGui.QMessageBox.information(self,
-                translate('AlertsPlugin.AlertForm', 'Item selected to Add'),
-                translate('AlertsPlugin.AlertForm', 'Missing data'))
+                translate('AlertsPlugin.AlertForm', 'New Alert'),
+                translate('AlertsPlugin.AlertForm', 'You haven\'t specified '
+                    'any text for your alert. Please type in some text before '
+                    'clicking New.'))
         else:
             alert = AlertItem()
             alert.text = unicode(self.AlertTextEdit.text())

openlp/plugins/alerts/lib/alertsmanager.py

@@ -95,7 +95,7 @@ class AlertsManager(QtCore.QObject):
         alertTab = self.parent.alertsTab
         text = HTMLCODE % (alertTab.font_color, alertTab.bg_color,
                            alertTab.font_face, alertTab.font_size, text)
-        self.parent.preview_controller.parent.displayManager.addAlert(text,
+        self.parent.previewController.parent.displayManager.addAlert(text,
             alertTab.location)
         # check to see if we have a timer running
         if self.timer_id == 0:
@@ -112,8 +112,9 @@ class AlertsManager(QtCore.QObject):
         log.debug(u'timer event')
         alertTab = self.parent.alertsTab
         if event.timerId() == self.timer_id:
-            self.parent.preview_controller.parent.displayManager.addAlert(u'',
+            self.parent.previewController.parent.displayManager.addAlert(u'',
                 alertTab.location)
         self.killTimer(self.timer_id)
         self.timer_id = 0
         self.generateAlert()
+