public override bool Execute()
{
mPresenter = mContainer.Resolve<IPresenter>();
string cPageException = "Cannot create page";
var menuVmDef = new ViewModelDefinition();
menuVmDef.AddQuality<MenuQuality>();
menuVmDef.AddQuality<MyQuality>();
var mainChildVmDef = new ViewModelDefinition();
mainChildVmDef.AddQuality<MainChildQuality>();
try
{
mViewModelManager.RegisterPageForViewModel<FirstViewModel, FirstPage>(mainChildVmDef);
}
catch (Exception e) when (e.Message.StartsWith(cPageException)) { }
try
{
mViewModelManager.RegisterPageForViewModel<SecondViewModel, SecondPage>(menuVmDef);
}
catch (Exception e) when (e.Message.StartsWith(cPageException)) { }
// show
var first = mPresenter.Show<FirstViewModel>().Result;
if (first == null || !first.NavTo)
{
return false;
}
var second = mPresenter.Show(
def => def.HasQuality<MyQuality>())
.Result as SecondViewModel;
if (second == null || !second.NavTo)
{
return false;
}
// close
second = mPresenter.Close(
x => x.HasQuality<MyQuality>())
.Result as SecondViewModel;
if (second == null || !second.NavFrom)
{
return false;
}
first = mPresenter.Close<FirstViewModel>().Result;
if (first == null || !first.NavFrom)
{
return false;
}
// TODO : find way to test alerts
//return PathwayCore.DisplayAlertAsync("Alert", "Are you sure?", "Ok").Result;
return true;
}
/// <summary>
/// Handles the jump to an URL initiated by the user through either <see cref="IHistoryPanelPresenter"/> or <see cref="IFavoritesPanelPresenter"/>
/// </summary>
/// <param name="sender">Sender of the event</param>
/// <param name="e">Contains the URL to jump to</param>
private void JumpAskedEventHandler(object sender, JumpAskedEventArgs e)
{
IPresenter origin = (IPresenter)sender;
origin.Close();
this.mainController.InitiateJump(e.jumpTo);
}