// Initialize the ResizingAdorner.
public ScatterResizeAdorner(FrameworkElement adornedElement, ScatterViewItem scatterViewItem)
: base(adornedElement)
{
svi = scatterViewItem;
this.adornedElement = adornedElement;
visualChildren = new VisualCollection(this);
BuildAdornerCornerRotate(ref rotate, Cursors.Hand);
// Call a helper method to initialize the Thumbs
// with a customized cursors.
BuildAdornerCorner(ref topLeft, Cursors.SizeNWSE);
BuildAdornerCorner(ref topRight, Cursors.SizeNESW);
BuildAdornerCorner(ref bottomLeft, Cursors.SizeNESW);
BuildAdornerCorner(ref bottomRight, Cursors.SizeNWSE);
// Add handlers for resizing.
bottomLeft.DragDelta += new DragDeltaEventHandler(HandleBottomLeft);
bottomRight.DragDelta += new DragDeltaEventHandler(HandleBottomRight);
topLeft.DragDelta += new DragDeltaEventHandler(HandleTopLeft);
topRight.DragDelta += new DragDeltaEventHandler(HandleTopRight);
rotate.DragDelta += new DragDeltaEventHandler(HandleRotate);
}
// Initialize the ResizingAdorner.
public ScatterResizeAdorner(FrameworkElement adornedElement, ScatterViewItem scatterViewItem)
: base(adornedElement)
{
svi = scatterViewItem;
this.adornedElement = adornedElement;
visualChildren = new VisualCollection(this);
BuildAdornerCornerRotate(ref rotate, Cursors.Hand);
// Call a helper method to initialize the Thumbs
// with a customized cursors.
BuildAdornerCorner(ref topLeft, Cursors.SizeNWSE);
BuildAdornerCorner(ref topRight, Cursors.SizeNESW);
BuildAdornerCorner(ref bottomLeft, Cursors.SizeNESW);
BuildAdornerCorner(ref bottomRight, Cursors.SizeNWSE);
// Add handlers for resizing.
bottomLeft.DragDelta += new DragDeltaEventHandler(HandleBottomLeft);
bottomRight.DragDelta += new DragDeltaEventHandler(HandleBottomRight);
topLeft.DragDelta += new DragDeltaEventHandler(HandleTopLeft);
topRight.DragDelta += new DragDeltaEventHandler(HandleTopRight);
rotate.DragDelta += new DragDeltaEventHandler(HandleRotate);
}
private static void OnIsSelectedChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
ScatterViewItem container = d as ScatterViewItem;
bool newValue = (bool)e.NewValue;
ScatterView parentSelector = container._parent;
if (newValue)
{
parentSelector.SetSelectedItem(container, true);
container.RaiseEvent(new RoutedEventArgs(Selector.SelectedEvent, container));
container.OnSelected();
}
else
{
parentSelector.SetSelectedItem(container, false);
container.RaiseEvent(new RoutedEventArgs(Selector.UnselectedEvent, container));
container.OnUnSelected();
}
}
internal void SetSelectedItem(ScatterViewItem item, bool value)
{
if (SelectedItem != null)
{
if (SelectedItem is DependencyObject)
{
SetIsSelected((DependencyObject)SelectedItem, false);
ScatterViewItem.SetIsSelected((DependencyObject)SelectedItem, false);
}
else
{
DependencyObject dp = ItemContainerGenerator.ContainerFromItem(SelectedItem);
SetIsSelected(dp, false);
ScatterViewItem.SetIsSelected(dp, false);
}
}
SetIsSelected(item , value);
}
internal void SetSelectedItem(ScatterViewItem item, bool value)
{
if (SelectedItem != null)
{
if (SelectedItem is DependencyObject)
{
SetIsSelected((DependencyObject)SelectedItem, false);
ScatterViewItem.SetIsSelected((DependencyObject)SelectedItem, false);
}
else
{
DependencyObject dp = ItemContainerGenerator.ContainerFromItem(SelectedItem);
SetIsSelected(dp, false);
ScatterViewItem.SetIsSelected(dp, false);
}
}
SetIsSelected(item, value);
}
