public void PersistentProperties_shall_requery_its_value_if_bound_id_is_changed()
{
PersistentPropertyControlTree ControlTree = new PersistentPropertyControlTree();
TestValueStore TestValueStore = (TestValueStore)ControlTree.FindResource("PersistentProperties");
TestValueStore["One.Bound.Three.Text"] = "Hello, binding!";
TestValueStore["One.Changed.Three.Text"] = "Hello, another binding!";
TestValueStore["One.Bound.ThreeTemplated.Opacity"] = .1;
TestValueStore["One.Changed.ThreeTemplated.Opacity"] = .9;
Values Values = new Values("Bound");
Binding Binding = new Binding("Value");
Binding.Mode = BindingMode.OneWay;
Binding.Source = Values;
ControlTree.Two.SetBinding(PersistentProperty.IdProperty, Binding);
Assert.AreEqual("Hello, binding!", ControlTree.Three.Text);
Assert.AreEqual(.1, ControlTree.DataTemplate.Opacity);
Values.Value = "Changed";
Assert.AreEqual("Hello, another binding!", ControlTree.Three.Text);
Assert.AreEqual(.9, ControlTree.DataTemplate.Opacity);
}
public void PersistentProperties_shall_use_default_values_if_no_value_exist()
{
PersistentPropertyControlTree ControlTree = new PersistentPropertyControlTree();
Assert.AreEqual(0.9, ControlTree.One.Opacity);
Assert.AreEqual(0.8, ControlTree.Two.Opacity);
Assert.AreEqual("Hello world", ControlTree.Three.Text);
Assert.AreEqual(0.7, ControlTree.DataTemplate.Opacity);
}
public void PersistentProperties_with_same_name_shall_always_have_the_same_value()
{
PersistentPropertyControlTree ControlTree = new PersistentPropertyControlTree();
PersistentProperty.SetId(ControlTree.DataTemplate, "Three");
ControlTree.Three.Text = "Hello, world!";
Assert.AreEqual("Hello, world!", ControlTree.Three.Text);
Assert.AreEqual("Hello, world!", ControlTree.Three2.Text);
Assert.AreEqual("Hello, world!", ControlTree.DataTemplate.Text);
}
public void PersistentProperties_shall_be_stored_when_changed_in_UI()
{
PersistentPropertyControlTree ControlTree = new PersistentPropertyControlTree();
TestValueStore TestValueStore = (TestValueStore)ControlTree.FindResource("PersistentProperties");
ControlTree.Three.Text = "Hello, world!";
ControlTree.DataTemplate.Opacity = 1;
Assert.AreEqual("Hello, world!", ControlTree.Three.Text);
Assert.AreEqual("Hello, world!", TestValueStore["One.Two.Three.Text"]);
Assert.AreEqual(1, ControlTree.DataTemplate.Opacity);
Assert.AreEqual(1d, TestValueStore["One.Two.ThreeTemplated.Opacity"]);
}
public void PersistentProperties_shall_work_also_with_bound_context_ids()
{
PersistentPropertyControlTree ControlTree = new PersistentPropertyControlTree();
TestValueStore TestValueStore = (TestValueStore)ControlTree.FindResource("PersistentProperties");
TestValueStore["One.Bound.Three.Text"] = "Hello, binding!";
TestValueStore["One.Bound.ThreeTemplated.Opacity"] = 1;
Binding Binding = new Binding("Value");
Binding.Mode = BindingMode.OneWay;
Binding.Source = new Values("Bound");
ControlTree.Two.SetBinding(PersistentProperty.IdProperty, Binding);
Assert.AreEqual("Hello, binding!", ControlTree.Three.Text);
Assert.AreEqual(1, ControlTree.DataTemplate.Opacity);
}
private static DependencyObject Find(DependencyObject item, string name)
{
for (int Index = 0; Index < VisualTreeHelper.GetChildrenCount(item); Index++)
{
DependencyObject Child = VisualTreeHelper.GetChild(item, Index);
if (Child is FrameworkElement)
{
if (((FrameworkElement)Child).Name == name)
{
return(Child);
}
}
DependencyObject Descendant = PersistentPropertyControlTree.Find(Child, name);
if (Descendant != null)
{
return(Descendant);
}
}
return(null);
}
