private static ContentPane EnsureDockWindow(object view)
{
var window = view as ContentPane;
if (window == null)
{
window = new ContentPane
{
CloseAction = PaneCloseAction.RemovePane,
Content = view as UIElement
};
window.SetValue(View.IsGeneratedProperty, true);
}
return(window);
}
/// <summary>
/// Prepares a view being injected as a ContentPane
/// </summary>
/// <param name="item">the view</param>
/// <returns>The injected view as a ContentPane</returns>
protected ContentPane PrepareContainerForItem(object item, IRegion region)
{
ContentPane container = item as ContentPane;
if (container == null)
{
container = new ContentPane();
container.Content = item; //the content is the item being injected
container.DataContext = ResolveDataContext(item); //make sure the dataContext is the same as the item. Most likely a ViewModel
container.SetValue(IsGeneratedProperty, true); //we generated this one
CreateDockAwareBindings(container);
}
container.SetValue(RegionProperty, region); //let's keep track of which region the container belongs to
container.CloseAction = PaneCloseAction.RemovePane; //make it easy on ourselves and have the pane manage removing itself from the XamDockManager
container.Closed += Container_Closed;
return(container);
}
internal static void SetAssociatedProxy(ContentPane pane, ContentPaneProxy value)
{
pane.SetValue(AssociatedProxyPropertyKey, value);
}
private static ContentPane EnsureDockWindow(object view)
{
var window = view as ContentPane;
if(window == null)
{
window = new ContentPane
{
CloseAction = PaneCloseAction.RemovePane,
Content = view as UIElement
};
window.SetValue(View.IsGeneratedProperty, true);
}
return window;
}
/// <summary>
/// Invoked when a ContentPane for a given item is being removed.
/// </summary>
/// <param name="cp">The pane being removed</param>
protected virtual void RemovePane(ContentPane cp)
{
// we need to temporarily change the close action while we close it
DependencyProperty closeProp = ContentPane.CloseActionProperty;
if(cp == null)
{
return;
}
object oldValue = cp.ReadLocalValue(closeProp);
BindingExpressionBase oldExpression = cp.GetBindingExpression(closeProp);
cp.CloseAction = PaneCloseAction.RemovePane;
// restore the original close action
if(oldExpression != null)
{
cp.SetBinding(closeProp, oldExpression.ParentBindingBase);
}
else if(oldValue == DependencyProperty.UnsetValue)
{
cp.ClearValue(closeProp);
}
else
{
cp.SetValue(closeProp, oldValue);
}
}
