public void GetTemplateChildren_Should_Not_Return_Nested_Template_Controls()
{
var target = new TestTemplatedControl();
var border1 = new Border {
Name = "border1", TemplatedParent = target
};
var inner = new TestTemplatedControl {
Name = "inner", TemplatedParent = target
};
var border2 = new Border {
Name = "border2", TemplatedParent = inner
};
var border3 = new Border {
Name = "border3", TemplatedParent = inner
};
var border4 = new Border {
Name = "border4", TemplatedParent = target
};
var border5 = new Border {
Name = "border5", TemplatedParent = null
};
target.AddVisualChild(border1);
border1.Child = inner;
inner.AddVisualChild(border2);
inner.AddVisualChild(border3);
border3.Child = border4;
border4.Child = border5;
var result = target.GetTemplateChildren().Select(x => x.Name).ToArray();
Assert.Equal(new[] { "border1", "inner", "border4" }, result);
}
public void Nested_Templated_Controls_Have_Correct_TemplatedParent()
{
var target = new TestTemplatedControl
{
Template = new FuncControlTemplate(_ =>
{
return(new ContentControl
{
Template = new FuncControlTemplate(parent =>
{
return new Border
{
Child = new ContentPresenter
{
[~ContentPresenter.ContentProperty] = parent.GetObservable(ContentControl.ContentProperty),
}
};
}),
Content = new Decorator
{
Child = new TextBlock()
}
});
}),
};
target.ApplyTemplate();
var contentControl = target.GetTemplateChildren().OfType <ContentControl>().Single();
contentControl.ApplyTemplate();
var border = contentControl.GetTemplateChildren().OfType <Border>().Single();
var presenter = contentControl.GetTemplateChildren().OfType <ContentPresenter>().Single();
var decorator = (Decorator)presenter.Content;
var textBlock = (TextBlock)decorator.Child;
Assert.Equal(target, contentControl.TemplatedParent);
Assert.Equal(contentControl, border.TemplatedParent);
Assert.Equal(contentControl, presenter.TemplatedParent);
Assert.Equal(target, decorator.TemplatedParent);
Assert.Equal(target, textBlock.TemplatedParent);
}
public void Nested_Templated_Controls_Have_Correct_TemplatedParent()
{
var target = new TestTemplatedControl
{
Template = new FuncControlTemplate(_ =>
{
return new ContentControl
{
Template = new FuncControlTemplate(parent =>
{
return new Border
{
Child = new ContentPresenter
{
[~ContentPresenter.ContentProperty] = parent.GetObservable(ContentControl.ContentProperty).AsBinding(),
}
};
}),
Content = new Decorator
{
Child = new TextBlock()
}
};
}),
};
target.ApplyTemplate();
var contentControl = target.GetTemplateChildren().OfType<ContentControl>().Single();
contentControl.ApplyTemplate();
var border = contentControl.GetTemplateChildren().OfType<Border>().Single();
var presenter = contentControl.GetTemplateChildren().OfType<ContentPresenter>().Single();
var decorator = (Decorator)presenter.Content;
var textBlock = (TextBlock)decorator.Child;
Assert.Equal(target, contentControl.TemplatedParent);
Assert.Equal(contentControl, border.TemplatedParent);
Assert.Equal(contentControl, presenter.TemplatedParent);
Assert.Equal(target, decorator.TemplatedParent);
Assert.Equal(target, textBlock.TemplatedParent);
}