public void ApplyTemplate_Should_Create_Visual_Children()
{
var target = new TemplatedControl
{
Template = new FuncControlTemplate((_, __) => new Decorator
{
Child = new Panel
{
Children =
{
new TextBlock(),
new Border(),
}
}
}),
};
target.ApplyTemplate();
var types = target.GetVisualDescendants().Select(x => x.GetType()).ToList();
Assert.Equal(
new[]
{
typeof(Decorator),
typeof(Panel),
typeof(TextBlock),
typeof(Border)
},
types);
Assert.Empty(target.GetLogicalChildren());
}
public void Changing_Template_Should_Clear_Old_Templated_Childs_Parent()
{
var target = new TemplatedControl
{
Template = new FuncControlTemplate((_, __) => new Decorator())
};
target.ApplyTemplate();
var child = (Decorator)target.GetVisualChildren().Single();
target.Template = new FuncControlTemplate((_, __) => new Canvas());
target.ApplyTemplate();
Assert.Null(child.Parent);
}
public void Templated_Children_Should_Have_TemplatedParent_Set()
{
var target = new TemplatedControl
{
Template = new FuncControlTemplate(_ => new Decorator
{
Child = new Panel
{
Children = new Controls
{
new TextBlock(),
new Border(),
}
}
}),
};
target.ApplyTemplate();
var templatedParents = target.GetVisualDescendents()
.OfType <IControl>()
.Select(x => x.TemplatedParent)
.ToList();
Assert.Equal(4, templatedParents.Count);
Assert.True(templatedParents.All(x => x == target));
}
public void Nested_Templated_Control_Should_Not_Have_Template_Applied()
{
var target = new TemplatedControl
{
Template = new FuncControlTemplate(_ => new ScrollViewer())
};
target.ApplyTemplate();
var child = (ScrollViewer)target.GetVisualChildren().Single();
Assert.Empty(child.GetVisualChildren());
}
public void Templated_Child_Should_Have_Parent_Set()
{
var target = new TemplatedControl
{
Template = new FuncControlTemplate(_ => new Decorator())
};
target.ApplyTemplate();
var child = (Decorator)target.GetVisualChildren().Single();
Assert.Equal(target, child.Parent);
Assert.Equal(target, child.GetLogicalParent());
}
public void Templated_Child_Should_Have_ApplyTemplate_Called_With_Logical_Then_Visual_Parent()
{
var target = new TemplatedControl
{
Template = new FuncControlTemplate(_ => new ApplyTemplateTracker())
};
target.ApplyTemplate();
var child = (ApplyTemplateTracker)target.GetVisualChildren().Single();
Assert.Equal(
new[]
{
new Tuple <IVisual, ILogical>(null, target),
new Tuple <IVisual, ILogical>(target, target),
},
child.Invocations);
}
public void Templated_Child_Should_Be_NameScope()
{
var target = new TemplatedControl
{
Template = new FuncControlTemplate(_ => new Decorator
{
Child = new Panel
{
Children = new Controls
{
new TextBlock(),
new Border(),
}
}
}),
};
target.ApplyTemplate();
Assert.NotNull(NameScope.GetNameScope((Control)target.GetVisualChildren().Single()));
}
public void TemplatedControl ()
{
TemplatedControl c = new TemplatedControl { Name = "Custom" };
c.ApplyTemplate ();
Rectangle Bob = new Rectangle { Name = "Bob" };
Storyboard resourceSB = c.Resources ["ResourceSB"] as Storyboard;
Storyboard templateSb = (Storyboard) c.GetTemplateChild ("TemplateSB");
Grid grid = c.TemplateGrid;
Rectangle rect = (Rectangle) grid.FindName ("Rect");
Rectangle fakeGrid = new Rectangle { Name = "Grid" };
c.TemplateGrid.Children.Add (Bob);
testArea.Children.Add (c);
Assert.IsNull (testArea.FindName ("LayoutRoot"), "LayoutRoot.FindName (\"LayoutRoot\")");
Assert.IsTrue (testArea.FindName ("Custom") == c, "LayoutRoot.FindName (\"Custom\")");
Assert.IsNull (testArea.FindName ("Grid"), "LayoutRoot.FindName (\"Grid\")");
Assert.IsNull (testArea.FindName ("Bob"), "LayoutRoot.FindName (\"Bob\")");
Assert.IsNull (testArea.FindName ("Rect"), "LayoutRoot.FindName (\"Rect\")");
Assert.IsNull (c.FindName ("LayoutRoot"), "c.FindName (\"LayoutRoot\")");
Assert.IsTrue (c.FindName ("Custom") == c, "c.FindName (\"Custom\")");
Assert.IsNull (c.FindName ("Grid"), "c.FindName (\"Grid\")");
Assert.IsTrue (c.FindName ("Bob") == Bob, "c.FindName (\"Bob\")");
Assert.IsNull (c.FindName ("Rect"), "c.FindName (\"Rect\")");
Assert.IsNull (grid.FindName ("LayoutRoot"), "grid.FindName (\"LayoutRoot\")");
Assert.IsNull (grid.FindName ("Custom"), "grid.FindName (\"Custom\")");
Assert.IsTrue (grid.FindName ("Grid") == grid, "grid.FindName (\"Grid\")");
Assert.IsNull (grid.FindName ("Bob"), "grid.FindName (\"Bob\")");
Assert.IsTrue (grid.FindName ("Rect") == rect, "grid.FindName (\"Rect\")");
Assert.IsNull (Bob.FindName ("LayoutRoot"), "Bob.FindName (\"LayoutRoot\")");
Assert.IsTrue (Bob.FindName ("Custom") == c, "Bob.FindName (\"Custom\")");
Assert.IsNull (Bob.FindName ("Grid"), "Bob.FindName (\"Grid\")");
Assert.IsTrue (Bob.FindName ("Bob") == Bob, "Bob.FindName (\"Bob\")");
Assert.IsNull (Bob.FindName ("Rect"), "Bob.FindName (\"Rect\")");
Assert.IsNull (rect.FindName ("LayoutRoot"), "rect.FindName (\"LayoutRoot\")");
Assert.IsNull (rect.FindName ("Custom"), "rect.FindName (\"Custom\")");
Assert.IsTrue (rect.FindName ("Grid") == c.TemplateGrid, "rect.FindName (\"Grid\")");
Assert.IsNull (rect.FindName ("Bob"), "rect.FindName (\"Bob\")");
Assert.IsTrue (rect.FindName ("Rect") == rect, "rect.FindName (\"Rect\")");
}
