public void Child_Control_Should_Appear_In_LogicalChildren()
{
var target = new Popup();
var child = new Control();
target.Child = child;
Assert.Equal(new[] { child }, target.GetLogicalChildren());
}
public void Clearing_Child_Should_Remove_From_LogicalChildren()
{
var target = new Popup();
var child = new Control();
target.Child = child;
target.Child = null;
Assert.Equal(new ILogical[0], ((ILogical)target).LogicalChildren.ToList());
}
public void Setting_Child_Should_Set_Child_Controls_LogicalParent()
{
var target = new Popup();
var child = new Control();
target.Child = child;
Assert.Equal(child.Parent, target);
Assert.Equal(((ILogical)child).LogicalParent, target);
}
public void Clearing_Child_Should_Clear_Child_Controls_Parent()
{
var target = new Popup();
var child = new Control();
target.Child = child;
target.Child = null;
Assert.Null(child.Parent);
Assert.Null(((ILogical)child).LogicalParent);
}
public void Setting_Child_Should_Fire_LogicalChildren_CollectionChanged()
{
var target = new Popup();
var child = new Control();
var called = false;
((ILogical)target).LogicalChildren.CollectionChanged += (s, e) =>
called = e.Action == NotifyCollectionChangedAction.Add;
target.Child = child;
Assert.True(called);
}
public void PopupRoot_Should_Have_Template_Applied()
{
using (CreateServices())
{
var target = new Popup();
var child = new Control();
target.Open();
Assert.Equal(1, target.PopupRoot.GetVisualChildren().Count());
var templatedChild = target.PopupRoot.GetVisualChildren().Single();
Assert.IsType<ContentPresenter>(templatedChild);
Assert.Equal(target.PopupRoot, ((IControl)templatedChild).TemplatedParent);
}
}
public void PopupRoot_Should_Have_Popup_As_LogicalParent()
{
using (CreateServices())
{
var target = new Popup();
target.Open();
Assert.Equal(target, target.PopupRoot.Parent);
Assert.Equal(target, target.PopupRoot.GetLogicalParent());
}
}
public void PopupRoot_Should_Be_Detached_From_Logical_Tree_When_Popup_Is_Detached()
{
using (CreateServices())
{
var target = new Popup();
var root = new TestRoot { Child = target };
target.Open();
var popupRoot = (ILogical)target.PopupRoot;
Assert.True(popupRoot.IsAttachedToLogicalTree);
root.Child = null;
Assert.False(((ILogical)target).IsAttachedToLogicalTree);
}
}
public void PopupRoot_Should_Initially_Be_Null()
{
using (CreateServices())
{
var target = new Popup();
Assert.Null(target.PopupRoot);
}
}
public void PopupRoot_Should_Have_Null_VisualParent()
{
using (CreateServices())
{
var target = new Popup();
target.Open();
Assert.Null(target.PopupRoot.GetVisualParent());
}
}
public void Setting_Child_Should_Not_Set_Childs_VisualParent()
{
var target = new Popup();
var child = new Control();
target.Child = child;
Assert.Null(((IVisual)child).VisualParent);
}
public void Changing_Child_Should_Fire_LogicalChildren_CollectionChanged()
{
var target = new Popup();
var child1 = new Control();
var child2 = new Control();
var called = false;
target.Child = child1;
((ILogical)target).LogicalChildren.CollectionChanged += (s, e) => called = true;
target.Child = child2;
Assert.True(called);
}
/// <inheritdoc/>
protected override void OnTemplateApplied(TemplateAppliedEventArgs e)
{
if (_popup != null)
{
_popup.Opened -= PopupOpened;
}
_popup = e.NameScope.Get<Popup>("PART_Popup");
_popup.Opened += PopupOpened;
}
private void InitializeComponent()
{
Application.LoadComponent(this, new Uri("/Test;component/MainWindow.xaml", UriKind.Relative));
this.textBox = (TextBox)this.FindName("textBox");
this.popup = (Popup)this.FindName("popup");
}
/// <inheritdoc/>
protected override void OnTemplateApplied(TemplateAppliedEventArgs e)
{
base.OnTemplateApplied(e);
_popup = e.NameScope.Get<Popup>("PART_Popup");
_popup.DependencyResolver = DependencyResolver.Instance;
_popup.Opened += PopupOpened;
_popup.Closed += PopupClosed;
}