public override void AddAdorner(AdornerLayer s)
{
if (s != null && m_Line != null)
{
Adorner ad = new LineAdorner(this.m_Line);
s.Add(ad);
}
}
private void UserControl_Loaded(object sender, RoutedEventArgs e)
{
//Adorner
AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(ListGrid);
LineAdorner Adorner = new LineAdorner(ListGrid, (FocusGridModel)this.DataContext);
adornerLayer.Add(Adorner);
setupInternalFoci();
}
public void Dropped()
{
if (_adorner == null)
{
return;
}
var adornerLayer = AdornerLayer.GetAdornerLayer(Control);
adornerLayer.Remove(_adorner);
_adorner = null;
}
private void ControlDragEnter([NotNull] object sender, [NotNull] DragEventArgs e)
{
Debug.ArgumentNotNull(sender, nameof(sender));
Debug.ArgumentNotNull(e, nameof(e));
if (!Control.AllowDrop)
{
return;
}
_adorner = new LineAdorner(Control);
_adorner.SetValue(RenderOptions.EdgeModeProperty, EdgeMode.Aliased);
var adornerLayer = AdornerLayer.GetAdornerLayer(Control);
adornerLayer.Add(_adorner);
SetPosition(e);
e.Handled = true;
}
private void UserControl_Loaded(object sender, RoutedEventArgs e)
{
//Adorner
AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(ListGrid);
LineAdorner Adorner = new LineAdorner(ListGrid, (FocusGridModel)DataContext);
adornerLayer.Add(Adorner);
setupInternalFoci();
Mouse.OverrideCursor = null;
//Keydown
Window MainWindow = Application.Current.Windows.OfType <Window>()
.SingleOrDefault(x => x.IsActive);
if (MainWindow == null)
{
return;
}
MainWindow.KeyDown += FocusGrid_OnKeyDown;
MainWindow.KeyUp += FocusGrid_OnKeyUp;
//Check Tutorial
new ViewModelLocator().Tutorial.StartCommand.RaiseCanExecuteChanged();
}
public void AddAdorner(object sender, object followItem = null)
{
Drawer.Selector.FinishSelect();
if (sender is Line line)
{
var al = AdornerLayer.GetAdornerLayer(line);
var adn = new LineAdorner(line);
adn.Drawer = Drawer;
adn.FollowItem = followItem;
al?.Add(adn);
Drawer.DrawTool = Tool.MoveResize;
}
else
{
var al = AdornerLayer.GetAdornerLayer((UIElement)sender);
var adn = new ResizingAdorner((UIElement)sender);
adn.Drawer = Drawer;
al?.Add(adn);
Drawer.DrawTool = Tool.MoveResize;
}
}
private void DragEnter([NotNull] object sender, [NotNull] DragEventArgs e)
{
Debug.ArgumentNotNull(sender, nameof(sender));
Debug.ArgumentNotNull(e, nameof(e));
if (!ListView.AllowDrop)
{
return;
}
if (Line == null)
{
Line = new LineAdorner(ListView);
Line.SetValue(RenderOptions.EdgeModeProperty, EdgeMode.Aliased);
var adornerLayer = AdornerLayer.GetAdornerLayer(ListView);
if (adornerLayer != null)
{
adornerLayer.Add(Line);
}
}
UpdatePosition(e);
}
private static void ItemsControl_PreviewMouseMove(object sender, System.Windows.Input.MouseEventArgs e)
{
if (sender is ItemsControl itemsControl)
{
DragStatusEnum dragStatus = GetDragStatus(itemsControl);
switch (dragStatus)
{
case DragStatusEnum.None:
break;
case DragStatusEnum.Begining:
{
if (e.LeftButton == System.Windows.Input.MouseButtonState.Pressed)
{
Vector vector = e.GetPosition(itemsControl) - mouseDownPoint;
if (vector.X > dragBeginedOffset || vector.Y > dragBeginedOffset)
{
SetDragStatus(itemsControl, DragStatusEnum.Draging);
if (dragInfo.ItemContainer is FrameworkElement frameworkElement)
{
frameworkElement.CaptureMouse();
if (dragAdorner != null)
{
dragAdorner.Detath();
}
Point offset = e.GetPosition(frameworkElement);
dragAdorner = new DragAdorner(itemsControl, frameworkElement, new Point()
{
X = -offset.X, Y = -offset.Y
});
}
}
}
}
break;
case DragStatusEnum.Draging:
{
if (e.LeftButton == System.Windows.Input.MouseButtonState.Pressed)
{
if (dragAdorner != null)
{
dragAdorner.UpdatePoint(e.GetPosition(itemsControl));
}
if (GetItem(itemsControl.ItemContainerGenerator, itemsControl.InputHitTest(e.GetPosition(itemsControl)), out DependencyObject itemContainer, out object item))
{
if (/*itemContainer != dragInfo.ItemContainer && */ itemContainer is FrameworkElement frameworkElement)
{
if (lineAdorner == null)
{
lineAdorner = new LineAdorner(itemsControl);
lineAdorner.UpdateBrush(GetDropTargetLineBrush(itemsControl), GetDropTargetLineThickness(itemsControl));
lineAdorner.UpdateTarget(e.MouseDevice, frameworkElement, GetItemPanelOrientation(itemsControl));
}
else
{
lineAdorner.UpdateTarget(e.MouseDevice, frameworkElement, GetItemPanelOrientation(itemsControl));
}
}
}
else
{
if (lineAdorner != null)
{
lineAdorner.ClearTarget();
}
}
e.Handled = true;
}
}
break;
private void workSpace_PreviewMouseLeftButtonUp_1(object sender, MouseButtonEventArgs e)
{
var adornerLayer = AdornerLayer.GetAdornerLayer(workSpace);
if (_draggingConnectionLineAdorner != null)
{
adornerLayer.Remove(_draggingConnectionLineAdorner);
_draggingConnectionLineAdorner = null;
//workSpace.ReleaseMouseCapture();
ViewModel.PinViewModel.CancelConnect();
e.Handled = true;
}
}
private void Pin_PreviewMouseLeftButtonDown_1(object sender, MouseButtonEventArgs e)
{
var pin = ((FrameworkElement)sender).DataContext as ViewModel.PinViewModel;
pin.BeginConnect();
var adornerLayer = AdornerLayer.GetAdornerLayer(workSpace);
if( _draggingConnectionLineAdorner != null )
{
adornerLayer.Remove(_draggingConnectionLineAdorner);
}
var pos = e.GetPosition(workSpace);
_draggingConnectionLineAdorner = new LineAdorner(workSpace) { From = pos, To = pos };
adornerLayer.Add(_draggingConnectionLineAdorner);
//workSpace.CaptureMouse();
e.Handled = true;
}
private void PinEllipse_PreviewMouseLeftButtonUp_1(object sender, MouseButtonEventArgs e)
{
var adornerLayer = AdornerLayer.GetAdornerLayer(workSpace);
if (_draggingConnectionLineAdorner != null)
{
adornerLayer.Remove(_draggingConnectionLineAdorner);
_draggingConnectionLineAdorner = null;
//workSpace.ReleaseMouseCapture();
var pin = ((FrameworkElement)sender).DataContext as ViewModel.PinViewModel;
try
{
pin.EndConnect();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
UpdateWorkspaceViewModel();
e.Handled = true;
}
}
