public override void Update(ITimeService time)
{
var controlArray = TreeTraversal.PreOrderVisit(Content).ToArray();
for (int i = 1; i < controlArray.Length; i++)
{
var control = controlArray[i];
control.Update(time);
}
}
public UIElement Find(string id)
{
foreach (UIElement ctl in TreeTraversal.PreOrderVisit(this).Skip(1))
{
if (ctl.Name == id)
{
return(ctl);
}
}
return(null);
}
protected override void Dispose(bool disposeManagedResources)
{
base.Dispose(disposeManagedResources);
if (disposeManagedResources)
{
foreach (UIElement uiElement in TreeTraversal.PreOrderVisit(Content))
{
uiElement.Dispose();
}
}
IsInited = false;
}
private void PopulateItems()
{
if (ItemsSource == null)
{
return;
}
if (ItemTemplate.DataType != null && !ReflectionHelper.IsTypeDerived(ItemTemplate.DataType, GetType()))
{
LogEvent.UserInterface.Warning(string.Format("ItemTemplate '{0}' expects type {1}. Element '{2}' is of type {3}",
ItemTemplate.Key, ItemTemplate.DataType.Name, Name, GetType().Name));
return;
}
int itemCount = 1;
foreach (var item in ItemsSource)
{
UIElement previousElement = this;
foreach (UIElement element in TreeTraversal.PreOrderVisit(ItemTemplate.VisualTree))
{
UIElement newItem = ToDispose(element.Copy());
if (element.Parent is ContentControl)
{
((ContentControl)previousElement).Content = newItem;
}
else
{
container.Add(newItem);
}
newItem.DataContext = item;
foreach (var kvp in ItemTemplate.Bindings.Where(kvp => string.Equals(newItem.Name, kvp.Value.TargetElement)))
{
newItem.SetBinding(kvp.Value, kvp.Key);
}
newItem.Name = string.Format("{0}{1:D2}", newItem.Name, itemCount++);
previousElement = newItem;
}
}
}
private void CreateContainer()
{
Contract.Requires <InvalidOperationException>(ItemTemplate.VisualTree is Panel, "VisualTree root must be a Panel");
var panel = (Panel)ToDispose(ItemsPanelTemplate.VisualTree.Copy());
if (panel.IsItemsHost)
{
container = panel;
}
else
{
foreach (var child in TreeTraversal.PreOrderVisit(panel))
{
var childPanel = child as Panel;
if (childPanel != null && childPanel.IsItemsHost)
{
container = childPanel;
break;
}
}
}
foreach (var kvp in ItemsPanelTemplate.Bindings)
{
var target = panel.Find(kvp.Value.TargetElement);
if (target != null)
{
target.DataContext = DataContext;
target.SetBinding(kvp.Value, kvp.Key);
break;
}
}
if (container == null)
{
container = panel;
}
Children.Add(panel);
}
protected override TResource GetResource <TResource>(string resourceName)
{
return(TreeTraversal.PreOrderVisit(Content).First(c => string.Equals(c.Name, resourceName)) as TResource);
}
protected override bool ContainsResource(string resourceName)
{
return(TreeTraversal.PreOrderVisit(Content).Any(c => string.Equals(c.Name, resourceName)));
}
