public SensusMasterDetailPage()
{
_masterPage = new SensusMasterPage();
_masterPage.MasterPageItemsListView.ItemSelected += (sender, e) =>
{
try
{
SensusDetailPageItem selectedDetailPageItem = e.SelectedItem as SensusDetailPageItem;
if (selectedDetailPageItem != null)
{
if (selectedDetailPageItem.TargetType == null)
{
selectedDetailPageItem.Action?.Invoke();
}
else
{
Detail = new NavigationPage((Page)Activator.CreateInstance(selectedDetailPageItem.TargetType));
IsPresented = false;
}
_masterPage.MasterPageItemsListView.SelectedItem = null;
}
}
catch (Exception ex)
{
SensusException.Report("Exception while handling master-detail menu selection: " + ex.Message, ex);
}
};
Master = _masterPage;
// the SensusServiceHelper is not yet loaded when this page is constructed. as a result, we cannot assign the
// ProtocolsPage to the Detail property. instead, just assign a blank content page and show the user the master
// detail list. by the time the user selects from the list, the service helper will be available and the protocols
// page will be ready to go.
Detail = new NavigationPage(new ContentPage
{
Content = new Label
{
Text = "Welcome to Sensus." + Environment.NewLine + "Please select from the menu above.",
FontSize = 30,
HorizontalOptions = LayoutOptions.CenterAndExpand,
VerticalOptions = LayoutOptions.CenterAndExpand,
VerticalTextAlignment = TextAlignment.Center,
HorizontalTextAlignment = TextAlignment.Center
}
});
IsPresented = true;
}
public SensusMasterDetailPage()
{
_masterPage = new SensusMasterPage();
_masterPage.MasterPageItemsListView.ItemSelected += OnItemSelected;
Master = _masterPage;
// the SensusServiceHelper is not yet loaded when this page is constructed. as a result, we cannot assign the
// ProtocolsPage to the Detail property. instead, just assign a blank content page and show the user the master
// detail list. by the time the user selects from the list, the service helper will be available and the protocols
// page will be ready to go.
Detail = new NavigationPage(new ContentPage());
IsPresented = true;
}