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)
{
var darwItemBehaviors = result.ModelHit.Extensions.OfType <IDrawItemExtension>();
var drawItembehavior = darwItemBehaviors.FirstOrDefault(x => x.CanItemBeDrawn(componentType));
if (drawItembehavior != null && drawItembehavior.CanItemBeDrawn(componentType))
{
drawItembehavior.StartDrawItem(result.ModelHit, componentType, designPanel, e, SetPropertiesForDrawnItem);
}
else
{
var placementBehavior = result.ModelHit.GetBehavior <IPlacementBehavior>();
if (placementBehavior != null)
{
var 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;
}
}
}
}
}
void OnMouseDown(object sender, MouseButtonEventArgs e)
{
IDesignPanel designPanel = (IDesignPanel)sender;
DesignPanelHitTestResult result = designPanel.HitTest(e.GetPosition(designPanel), false, true);
if (result.ModelHit != null)
{
IHandlePointerToolMouseDown b = result.ModelHit.GetBehavior <IHandlePointerToolMouseDown>();
if (b != null)
{
b.HandleSelectionMouseDown(designPanel, e, result);
}
if (!e.Handled)
{
if (e.ChangedButton == MouseButton.Left && MouseGestureBase.IsOnlyButtonPressed(e, MouseButton.Left))
{
e.Handled = true;
ISelectionService selectionService = designPanel.Context.Services.Selection;
selectionService.SetSelectedComponents(new DesignItem[] { result.ModelHit }, SelectionTypes.Auto);
if (selectionService.IsComponentSelected(result.ModelHit))
{
new DragMoveMouseGesture(result.ModelHit, e.ClickCount == 2).Start(designPanel, e);
}
}
}
}
}
void designPanel_DragOver(object sender, DragEventArgs e)
{
try
{
IDesignPanel designPanel = (IDesignPanel)sender;
e.Effects = DragDropEffects.Copy;
e.Handled = true;
Point p = e.GetPosition(designPanel);
if (moveLogic == null)
{
if (e.Data.GetData(typeof(CreateComponentTool)) != this)
{
return;
}
// TODO: dropLayer in designPanel
designPanel.IsAdornerLayerHitTestVisible = false;
DesignPanelHitTestResult result = designPanel.HitTest(p, false, true, HitTestType.Default);
if (result.ModelHit != null)
{
designPanel.Focus();
DesignItem createdItem = CreateItem(designPanel.Context);
if (AddItemWithDefaultSize(result.ModelHit, createdItem, e.GetPosition(result.ModelHit.View)))
{
moveLogic = new MoveLogic(createdItem);
if (designPanel.Context.Services.Component is XamlComponentService)
{
((XamlComponentService)designPanel.Context.Services.Component)
.RaiseComponentRegisteredAndAddedToContainer(createdItem);
}
createPoint = p;
// We'll keep the ChangeGroup open as long as the moveLogic is active.
}
else
{
// Abort the ChangeGroup created by the CreateItem() call.
changeGroup.Abort();
}
}
}
else if ((moveLogic.ClickedOn.View as FrameworkElement).IsLoaded)
{
if (moveLogic.Operation == null)
{
moveLogic.Start(createPoint);
}
else
{
moveLogic.Move(p);
}
}
}
catch (Exception x)
{
DragDropExceptionHandler.RaiseUnhandledException(x);
}
}
void OnMouseDown(object sender, MouseButtonEventArgs e)
{
IDesignPanel designPanel = (IDesignPanel)sender;
DesignPanelHitTestResult result = designPanel.HitTest(e.GetPosition(designPanel), false, true,
HitTestType.ElementSelection);
if (result.ModelHit != null)
{
IHandlePointerToolMouseDown b = result.ModelHit.GetBehavior <IHandlePointerToolMouseDown>();
if (b != null)
{
b.HandleSelectionMouseDown(designPanel, e, result);
}
if (!e.Handled)
{
if (e.ChangedButton == MouseButton.Left &&
MouseGestureBase.IsOnlyButtonPressed(e, MouseButton.Left))
{
e.Handled = true;
ISelectionService selectionService = designPanel.Context.Services.Selection;
bool setSelectionIfNotMoving = false;
if (selectionService.IsComponentSelected(result.ModelHit))
{
setSelectionIfNotMoving = true;
// There might be multiple components selected. We might have
// to set the selection to only the item clicked on
// (or deselect the item clicked on if Ctrl is pressed),
// but we should do so only if the user isn't performing a drag operation.
}
else
{
selectionService.SetSelectedComponents(new DesignItem[] { result.ModelHit },
SelectionTypes.Auto);
}
if (selectionService.IsComponentSelected(result.ModelHit))
{
new DragMoveMouseGesture(result.ModelHit, e.ClickCount == 2,
setSelectionIfNotMoving).Start(designPanel, e);
}
}
}
}
}
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;
}
}
}
}
void designPanel_DragOver(object sender, DragEventArgs e)
{
try
{
IDesignPanel designPanel = (IDesignPanel)sender;
e.Effects = DragDropEffects.Copy;
e.Handled = true;
Point p = e.GetPosition(designPanel);
if (moveLogic == null)
{
if (ChangeGroup != null)
{
ChangeGroup.Abort();
ChangeGroup = null;
}
ChangeGroup = designPanel.Context.RootItem.OpenGroup("Add Control");
designPanel.IsAdornerLayerHitTestVisible = false;
DesignPanelHitTestResult result = designPanel.HitTest(p, false, true, HitTestType.Default);
if (result.ModelHit != null)
{
designPanel.Focus();
var items = CreateItemsWithPosition(designPanel.Context, e.GetPosition(result.ModelHit.View), e);
if (items != null)
{
if (AddItems(result.ModelHit, items))
{
moveLogic = new MoveLogic(items[0]);
foreach (var designItem in items)
{
if (designPanel.Context.Services.Component is XamlComponentService)
{
((XamlComponentService)designPanel.Context.Services.Component).RaiseComponentRegisteredAndAddedToContainer(designItem);
}
}
createPoint = p;
}
else
{
ChangeGroup.Abort();
ChangeGroup = null;
}
}
else
{
e.Effects = DragDropEffects.None;
}
}
}
else if ((moveLogic.ClickedOn.View as FrameworkElement).IsLoaded)
{
if (moveLogic.Operation == null)
{
moveLogic.Start(createPoint);
}
else
{
moveLogic.Move(p);
}
}
}
catch (Exception x)
{
DragDropExceptionHandler.RaiseUnhandledException(x);
}
}
