/// <summary>
/// Lazy loading of pivot tabs for perf.
/// only load a tab when a user access it
/// Naturally all pivots are loaded when the control is created (we dont want this)
/// </summary>
private void UpdateTabInfoOnPivotLoading(Pivot sender, PivotItemEventArgs args)
{
int currentTabIndex = PhoneTabs.SelectedIndex;
//Set device oritentation based on tab
switch (currentTabIndex)
{
//For the contact and dialer tabs, we should disable landscape
case 1:
case 2:
DisplayInformation.AutoRotationPreferences = DisplayOrientations.Portrait;
break;
//Other tabs can be both portrait and landscape
default:
DisplayInformation.AutoRotationPreferences =
DisplayOrientations.Portrait | DisplayOrientations.Landscape |
DisplayOrientations.PortraitFlipped | DisplayOrientations.LandscapeFlipped;
break;
}
//Update content as its already loaded
if (args.Item.Content != null)
{
//Content loaded already, perform an update instead and exit
UpdateTabInfo(currentTabIndex);
return;
}
//Lazy load the tabs. Only load when accessed
UserControl CurrentPanel;
switch (currentTabIndex)
{
case 0:
statusVM = ViewModelDispatcher.StatusViewModel;
CurrentPanel = new StatusPanel();
CurrentPanel.Height = Double.NaN; //Auto height
args.Item.Content = CurrentPanel;
break;
case 1:
CurrentPanel = new ContactsPanel();
CurrentPanel.Height = Double.NaN; //Auto height
args.Item.Content = CurrentPanel;
break;
case 2:
CurrentPanel = new DialerPanel();
CurrentPanel.Height = Double.NaN; //Auto height
args.Item.Content = CurrentPanel;
break;
case 3:
voicemailVM = ViewModelDispatcher.VoicemailViewModel;
CurrentPanel = new VoicemailPanel();
CurrentPanel.Height = Double.NaN; //Auto height
args.Item.Content = CurrentPanel;
break;
default:
break;
}
}
/// <summary>
/// A user control that hosts the voicemail panel in the main pivot/tab.
/// </summary>
public VoicemailPanel()
{
this.InitializeComponent();
voicemailVM = ViewModelDispatcher.VoicemailViewModel;
}
