private PlacementOperation(DesignItem[] items, PlacementType type)
{
List <DesignItem> moveableItems;
this.currentContainerBehavior = GetPlacementBehavior(items, out moveableItems, type);
PlacementInformation[] information = new PlacementInformation[moveableItems.Count];
for (int i = 0; i < information.Length; i++)
{
information[i] = new PlacementInformation(moveableItems[i], this);
}
this.placedItems = new ReadOnlyCollection <PlacementInformation>(information);
this.type = type;
this.currentContainer = moveableItems[0].Parent;
this.changeGroup = moveableItems[0].Context.OpenGroup(type.ToString(), moveableItems);
}
/// <summary>
/// Make the placed item switch the container.
/// This method assumes that you already have checked if changing the container is possible.
/// </summary>
public void ChangeContainer(DesignItem newContainer)
{
if (newContainer == null)
{
throw new ArgumentNullException("newContainer");
}
if (isAborted || isCommitted)
{
throw new PlacementOperationException("The operation is not running anymore.");
}
if (currentContainer == newContainer)
{
return;
}
if (!currentContainerBehavior.CanLeaveContainer(this))
{
throw new PlacementOperationException("The items cannot be removed from their parent container.");
}
try {
currentContainerBehavior.LeaveContainer(this);
GeneralTransform transform = currentContainer.View.TransformToVisual(newContainer.View);
foreach (PlacementInformation info in placedItems)
{
info.OriginalBounds = TransformRectByMiddlePoint(transform, info.OriginalBounds);
info.Bounds = TransformRectByMiddlePoint(transform, info.Bounds).Round();
}
currentContainer = newContainer;
currentContainerBehavior = newContainer.GetBehavior <IPlacementBehavior>();
Debug.Assert(currentContainerBehavior != null);
currentContainerBehavior.EnterContainer(this);
} catch (Exception ex) {
Debug.WriteLine(ex.ToString());
Abort();
throw;
}
}
void OnMouseDown(object sender, MouseButtonEventArgs e)
{
if (e.ChangedButton == MouseButton.Left && MouseGestureBase.IsOnlyButtonPressed(e, MouseButton.Left))
{
e.Handled = true;
IDesignPanel designPanel = (IDesignPanel)sender;
DesignPanelHitTestResult result = designPanel.HitTest(e.GetPosition(designPanel), false, true, HitTestType.Default);
if (result.ModelHit != null)
{
IPlacementBehavior behavior = result.ModelHit.GetBehavior <IPlacementBehavior>();
if (behavior != null)
{
DesignItem createdItem = CreateItem(designPanel.Context);
new CreateComponentMouseGesture(result.ModelHit, createdItem, changeGroup).Start(designPanel, e);
// CreateComponentMouseGesture now is responsible for the changeGroup created by CreateItem()
changeGroup = null;
}
}
}
}
protected override void OnInitialized()
{
if (this.ExtendedItem.Component is WindowClone)
{
return;
}
base.OnInitialized();
extendedItemArray[0] = this.ExtendedItem;
this.ExtendedItem.PropertyChanged += OnPropertyChanged;
this.Services.Selection.PrimarySelectionChanged += OnPrimarySelectionChanged;
resizeBehavior = PlacementOperation.GetPlacementBehavior(extendedItemArray);
OnPrimarySelectionChanged(null, null);
var designerItem = this.ExtendedItem.Component as FrameworkElement;
this.rotateTransform = designerItem.RenderTransform as RotateTransform;
if (rotateTransform != null)
{
angle = rotateTransform.Angle;
}
}
protected override void OnInitialized()
{
base.OnInitialized();
extendedItemArray[0] = this.ExtendedItem;
this.ExtendedItem.PropertyChanged += OnPropertyChanged;
this.Services.Selection.PrimarySelectionChanged += OnPrimarySelectionChanged;
resizeBehavior = PlacementOperation.GetPlacementBehavior(extendedItemArray);
UpdateAdornerVisibility();
OnPrimarySelectionChanged(null, null);
}
/// <summary>
/// Make the placed item switch the container.
/// This method assumes that you already have checked if changing the container is possible.
/// </summary>
public void ChangeContainer(DesignItem newContainer)
{
if (newContainer == null)
throw new ArgumentNullException("newContainer");
if (isAborted || isCommitted)
throw new InvalidOperationException("The operation is not running anymore.");
if (currentContainer == newContainer)
return;
if (!currentContainerBehavior.CanLeaveContainer(this))
throw new NotSupportedException("The items cannot be removed from their parent container.");
try {
currentContainerBehavior.LeaveContainer(this);
GeneralTransform transform = currentContainer.View.TransformToVisual(newContainer.View);
foreach (PlacementInformation info in placedItems) {
info.OriginalBounds = TransformRectByMiddlePoint(transform, info.OriginalBounds);
info.Bounds = TransformRectByMiddlePoint(transform, info.Bounds).Round();
}
currentContainer = newContainer;
currentContainerBehavior = newContainer.GetBehavior<IPlacementBehavior>();
Debug.Assert(currentContainerBehavior != null);
currentContainerBehavior.EnterContainer(this);
} catch (Exception ex) {
Debug.WriteLine(ex.ToString());
Abort();
throw;
}
}
private PlacementOperation(DesignItem[] items, PlacementType type)
{
PlacementInformation[] information = new PlacementInformation[items.Length];
for (int i = 0; i < information.Length; i++) {
information[i] = new PlacementInformation(items[i], this);
}
this.placedItems = new ReadOnlyCollection<PlacementInformation>(information);
this.type = type;
this.currentContainer = items[0].Parent;
this.currentContainerBehavior = GetPlacementBehavior(items);
this.changeGroup = items[0].Context.OpenGroup(type.ToString(), items);
}
protected override void OnInitialized()
{
if (this.ExtendedItem.Component is WindowClone)
return;
base.OnInitialized();
extendedItemArray[0] = this.ExtendedItem;
this.ExtendedItem.PropertyChanged += OnPropertyChanged;
this.Services.Selection.PrimarySelectionChanged += OnPrimarySelectionChanged;
resizeBehavior = PlacementOperation.GetPlacementBehavior(extendedItemArray);
OnPrimarySelectionChanged(null, null);
var designerItem = this.ExtendedItem.Component as FrameworkElement;
this.rotateTransform = designerItem.RenderTransform as RotateTransform;
if (rotateTransform != null)
angle = rotateTransform.Angle;
}
protected override void OnInitialized()
{
if (this.ExtendedItem.Component is WindowClone)
return;
base.OnInitialized();
extendedItemArray[0] = this.ExtendedItem;
this.ExtendedItem.PropertyChanged += OnPropertyChanged;
this.Services.Selection.PrimarySelectionChanged += OnPrimarySelectionChanged;
resizeBehavior = PlacementOperation.GetPlacementBehavior(extendedItemArray);
OnPrimarySelectionChanged(null, null);
var designerItem = this.ExtendedItem.Component as FrameworkElement;
this.rotateTransform = designerItem.RenderTransform as RotateTransform;
if (this.rotateTransform == null) {
var tg = designerItem.RenderTransform as TransformGroup;
if (tg != null) {
this.rotateTransform = tg.Children.FirstOrDefault(x => x is RotateTransform) as RotateTransform;
}
}
}
