public void ResourceInheritanceTest()
{
object value;
FrameworkElement root = new FrameworkElement();
root.Resources = new ResourceDictionary();
root.Resources.Add("key1", "value1");
Assert.IsTrue(root.TryGetResource("key1", out value));
Assert.AreEqual("value1", value);
FrameworkElement child1 = new FrameworkElement();
root.AddVisualChild(child1);
root.AddLogicalChild(child1);
Assert.IsTrue(child1.TryGetResource("key1", out value));
Assert.AreEqual("value1", value);
child1.Resources = new ResourceDictionary();
child1.Resources.Add("key1", "value2");
FrameworkElement child2 = new FrameworkElement();
child1.AddVisualChild(child2);
Assert.IsTrue(child2.TryGetResource("key1", out value));
Assert.AreEqual("value2", value);
root.AddLogicalChild(child2);
Assert.IsTrue(child2.TryGetResource("key1", out value));
Assert.AreEqual("value1", value);
}
void SetErrorMessage(string message)
{
ClearOutput();
var textBlock = UIBuilder.Create <TextBlock>();
textBlock.Text = message;
Container.AddLogicalChild(textBlock);
}
internal static void LoadComponent(FrameworkElement control, Element node, bool isDesignMode = false, Action <int, FrameworkElement> ElementCreatedAtLine = null, string xml = null)
{
var builder = new UIBuilder
{
_rootNode = node,
DataContext = control,
Caller = control,
_isDesignMode = isDesignMode,
XmlString = xml
};
if (ElementCreatedAtLine != null)
{
builder.ElementCreatedAtLine += ElementCreatedAtLine;
}
var subControl = builder.BuildNode(builder._rootNode, control);
var subControlAsFrameworkElement = subControl as FrameworkElement;
if (subControlAsFrameworkElement == null)
{
throw new InvalidOperationException("ControlFirstItemMustBeHTMLElement");
}
InitDOM(control);
control.AddLogicalChild(subControlAsFrameworkElement);
}
public void ContainingNameScopeTest()
{
FrameworkElement logicalParent = new FrameworkElement();
FrameworkElement visualParent = new FrameworkElement();
FrameworkElement child = new FrameworkElement();
NameScope logicalNameScope = new NameScope();
NameScope.SetNameScope(logicalParent, logicalNameScope);
NameScope visualNameScope = new NameScope();
NameScope.SetNameScope(visualParent, visualNameScope);
Freezable value = new Freezable();
Freezable subValue = new Freezable();
// visual / context tree: logicalParent -> visualParent -> child -> value -> subValue
logicalParent.AddVisualChild(visualParent);
visualParent.AddVisualChild(child);
child.SetValue(ValueProperty, value);
value.SetValue(ValueProperty, subValue);
// logical tree: logicalParent -> child
logicalParent.AddLogicalChild(child);
Assert.AreEqual(logicalNameScope, NameScope.GetContainingNameScope(subValue));
}
private void SetLogicalParent(FrameworkElement parent, IList items)
{
foreach (DependencyObject o in items.OfType <DependencyObject>())
{
FrameworkElement p = LogicalTreeHelper.GetParent(o) as FrameworkElement;
if (p != null)
{
p.RemoveLogicalChild(o);
}
}
if (parent != null)
{
foreach (object o in items)
{
parent.AddLogicalChild(o);
}
}
}
private void SetLogicalParent(FrameworkElement parent, IList items)
{
foreach (DependencyObject o in items.OfType<DependencyObject>())
{
FrameworkElement p = LogicalTreeHelper.GetParent(o) as FrameworkElement;
if (p != null)
{
p.RemoveLogicalChild(o);
}
}
if (parent != null)
{
foreach (object o in items)
{
parent.AddLogicalChild(o);
}
}
}
