public void TestDoubleAdd()
{
var menu = new NavigationMenu();
var child = new ContentPage {
Icon = "img.img",
Content = new View()
};
menu.Add(child);
bool signaled = false;
menu.PropertyChanged += (sender, args) => {
switch (args.PropertyName)
{
case "Targets":
signaled = true;
break;
}
};
menu.Add(child);
Assert.True(menu.Targets.Contains(child));
Assert.False(signaled);
}
public async Task TestSendTargetSelected()
{
var menu = new NavigationMenu();
var navForm = new NavigationPage();
await navForm.PushAsync(new ContentPage {
Title = "Menu",
Content = menu
});
bool pushed = false;
navForm.Pushed += (sender, arg) => pushed = true;
var child = new ContentPage {
Icon = "img.jpg",
Content = new View()
};
menu.Add(child);
menu.SendTargetSelected(child);
Assert.True(pushed);
Assert.AreEqual(child, navForm.CurrentPage);
}
public ExploderViewModel(CalendarGraph CalendarGraph) ///, IEnumerable<Element> Path
{
if (CalendarGraph == null)
{
return;
}
this.CalendarGraph = CalendarGraph;
int i = CalendarGraph.ActiveElement.Depth;
NavigationMenu.Add(CalendarGraph.ActiveElement);
var cursor = CalendarGraph.ActiveElement.Parent;
if (cursor != null)
{
while (cursor.Id != -1)
{
NavigationMenu.Add(cursor);
cursor = cursor.Parent;
if (cursor == null)
{
break;
}
}
}
SelectedElement = CalendarGraph.ActiveElement;
}
public void IconNotSet()
{
var menu = new NavigationMenu();
var childWithoutIcon = new ContentPage {
Title = "I have no image"
};
var ex = Assert.Throws <Exception> (() => menu.Add(childWithoutIcon));
Assert.That(ex.Message, Is.EqualTo("Icon must be set for each page before adding them to a Navigation Menu"));
}