/// <summary>
/// Dragging has started, see if VM is IDiagramLinkViewModel and notify of moving start.
/// </summary>
void DragThumb_DragStarted(object sender, DragStartedEventArgs e)
{
diagramDesigner = DiagramHelper.GetDiagramDesigner(this);
diagramDesignerVM = diagramDesigner.DataContext as IDiagramViewModel;
selectedItem = null;
selectedItemVM = null;
edgePointVM = this.DataContext as IEdgePointViewModel;
List<ISelectable> selection = diagramDesigner.SelectionService.CurrentSelection;
if (selection.Count == 1)
{
foreach (ISelectable item in selection)
{
if (item is DiagramDesignerItem)
if ((item as DiagramDesignerItem).IsDiagramLink)
{
selectedItem = item as DiagramDesignerItem;
}
}
// create control to display on the drag adorner
dragCanvas = new Canvas();
IDiagramLinkViewModel designerItem = selectedItem.DataContext as IDiagramLinkViewModel;
selectedItemVM = designerItem;
AddLinkAnchorAndShape(new PointD(designerItem.StartEdgePoint.X, designerItem.StartEdgePoint.Y),
new PointD(designerItem.EndEdgePoint.X, designerItem.EndEdgePoint.Y));
// create drag adorner
if (diagramDesigner != null && selectedItemVM != null && selectedItem != null && edgePointVM != null)
{
AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(diagramDesigner);
if (adornerLayer != null)
{
this.dragAdorner = new DragAdorner(diagramDesigner, dragCanvas, false, 1.0);
if (this.dragAdorner != null)
{
adornerLayer.Add(this.dragAdorner);
e.Handled = true;
}
}
}
}
e.Handled = false;
}
/// <summary>
/// Start the drag operation.
/// </summary>
private void Start()
{
if (direction == null)
{
if (base.VerticalAlignment == System.Windows.VerticalAlignment.Top)
{
if (base.HorizontalAlignment == System.Windows.HorizontalAlignment.Left)
direction = DiagramItemsResizeDirection.LeftTop;
else if (base.HorizontalAlignment == System.Windows.HorizontalAlignment.Stretch)
direction = DiagramItemsResizeDirection.Top;
else
direction = DiagramItemsResizeDirection.RightTop;
}
else if (base.VerticalAlignment == System.Windows.VerticalAlignment.Bottom)
{
if (base.HorizontalAlignment == System.Windows.HorizontalAlignment.Left)
direction = DiagramItemsResizeDirection.LeftBottom;
else if (base.HorizontalAlignment == System.Windows.HorizontalAlignment.Stretch)
direction = DiagramItemsResizeDirection.Bottom;
else
direction = DiagramItemsResizeDirection.RightBottom;
}
else
{
if (base.HorizontalAlignment == System.Windows.HorizontalAlignment.Left)
direction = DiagramItemsResizeDirection.Left;
else
direction = DiagramItemsResizeDirection.Right;
}
}
diagramDesigner = DiagramHelper.GetDiagramDesigner(this);
diagramDesignerVM = diagramDesigner.DataContext as IDiagramViewModel;
selectedItems = new List<DiagramDesignerItem>();
selectedItemsVM = new List<IDiagramItemViewModel>();
List<ISelectable> selection = diagramDesigner.SelectionService.CurrentSelection;
foreach (ISelectable item in selection)
{
if (item is DiagramDesignerItem)
if (!(item as DiagramDesignerItem).IsDiagramLink)
{
selectedItems.Add(item as DiagramDesignerItem);
}
}
// create control to display on the drag adorner
dragCanvas = new Canvas();
foreach (DiagramDesignerItem item in selectedItems)
{
if (item.DataContext is IDiagramItemViewModel)
selectedItemsVM.Add(item.DataContext as IDiagramItemViewModel);
Rectangle r = new Rectangle();
r.Stroke = new SolidColorBrush(Colors.Black);
r.StrokeDashArray = new DoubleCollection();
r.StrokeDashArray.Add(3);
r.StrokeDashArray.Add(6);
r.StrokeThickness = 1.0;
r.Width = item.ActualWidth;
r.Height = item.ActualHeight;
r.Margin = new System.Windows.Thickness(item.AbsoluteLocation.X, item.AbsoluteLocation.Y, 0, 0);
dragCanvas.Children.Add(r);
}
// create drag adorner
if (diagramDesigner != null)
{
AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(diagramDesigner);
if (adornerLayer != null)
{
this.dragAdorner = new DragAdorner(diagramDesigner, dragCanvas, false, 1.0);
if (this.dragAdorner != null)
{
adornerLayer.Add(this.dragAdorner);
//e.Handled = true;
}
}
}
//e.Handled = false;
}
/// <summary>
/// Start the drag operation.
/// </summary>
private void Start()
{
if (direction == null)
{
if (base.VerticalAlignment == System.Windows.VerticalAlignment.Top)
{
if (base.HorizontalAlignment == System.Windows.HorizontalAlignment.Left)
{
direction = DiagramItemsResizeDirection.LeftTop;
}
else if (base.HorizontalAlignment == System.Windows.HorizontalAlignment.Stretch)
{
direction = DiagramItemsResizeDirection.Top;
}
else
{
direction = DiagramItemsResizeDirection.RightTop;
}
}
else if (base.VerticalAlignment == System.Windows.VerticalAlignment.Bottom)
{
if (base.HorizontalAlignment == System.Windows.HorizontalAlignment.Left)
{
direction = DiagramItemsResizeDirection.LeftBottom;
}
else if (base.HorizontalAlignment == System.Windows.HorizontalAlignment.Stretch)
{
direction = DiagramItemsResizeDirection.Bottom;
}
else
{
direction = DiagramItemsResizeDirection.RightBottom;
}
}
else
{
if (base.HorizontalAlignment == System.Windows.HorizontalAlignment.Left)
{
direction = DiagramItemsResizeDirection.Left;
}
else
{
direction = DiagramItemsResizeDirection.Right;
}
}
}
diagramDesigner = DiagramHelper.GetDiagramDesigner(this);
diagramDesignerVM = diagramDesigner.DataContext as IDiagramViewModel;
selectedItems = new List <DiagramDesignerItem>();
selectedItemsVM = new List <IDiagramItemViewModel>();
List <ISelectable> selection = diagramDesigner.SelectionService.CurrentSelection;
foreach (ISelectable item in selection)
{
if (item is DiagramDesignerItem)
{
if (!(item as DiagramDesignerItem).IsDiagramLink)
{
selectedItems.Add(item as DiagramDesignerItem);
}
}
}
// create control to display on the drag adorner
dragCanvas = new Canvas();
foreach (DiagramDesignerItem item in selectedItems)
{
if (item.DataContext is IDiagramItemViewModel)
{
selectedItemsVM.Add(item.DataContext as IDiagramItemViewModel);
}
Rectangle r = new Rectangle();
r.Stroke = new SolidColorBrush(Colors.Black);
r.StrokeDashArray = new DoubleCollection();
r.StrokeDashArray.Add(3);
r.StrokeDashArray.Add(6);
r.StrokeThickness = 1.0;
r.Width = item.ActualWidth;
r.Height = item.ActualHeight;
r.Margin = new System.Windows.Thickness(item.AbsoluteLocation.X, item.AbsoluteLocation.Y, 0, 0);
dragCanvas.Children.Add(r);
}
// create drag adorner
if (diagramDesigner != null)
{
AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(diagramDesigner);
if (adornerLayer != null)
{
this.dragAdorner = new DragAdorner(diagramDesigner, dragCanvas, false, 1.0);
if (this.dragAdorner != null)
{
adornerLayer.Add(this.dragAdorner);
//e.Handled = true;
}
}
}
//e.Handled = false;
}
/// <summary>
/// Start the drag operation.
/// </summary>
private void Start()
{
diagramDesigner = DiagramHelper.GetDiagramDesigner(this);
diagramDesignerVM = diagramDesigner.DataContext as IDiagramViewModel;
selectedItems = new List <DiagramDesignerItem>();
selectedItemsVM = new List <IDiagramItemViewModel>();
List <ISelectable> selection = diagramDesigner.SelectionService.CurrentSelection;
foreach (ISelectable item in selection)
{
if (item is DiagramDesignerItem)
{
if (!(item as DiagramDesignerItem).IsDiagramLink)
{
selectedItems.Add(item as DiagramDesignerItem);
}
}
}
// create control to display on the drag adorner
Canvas canvas = new Canvas();
foreach (DiagramDesignerItem item in selectedItems)
{
IDiagramItemViewModel designerItem = item.DataContext as IDiagramItemViewModel;
if (designerItem == null)
{
continue;
}
selectedItemsVM.Add(designerItem);
Rectangle r = new Rectangle();
r.Stroke = new SolidColorBrush(Colors.Black);
r.StrokeDashArray = new DoubleCollection();
r.StrokeDashArray.Add(3);
r.StrokeDashArray.Add(6);
r.StrokeThickness = 1.0;
r.Width = item.ActualWidth;
r.Height = item.ActualHeight;
r.Margin = new System.Windows.Thickness(designerItem.AbsoluteLocation.X, designerItem.AbsoluteLocation.Y, 0, 0);
canvas.Children.Add(r);
}
// create drag adorner
if (diagramDesigner != null)
{
AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(diagramDesigner);
if (adornerLayer != null)
{
this.dragAdorner = new DragAdorner(diagramDesigner, canvas, false, 1.0);
if (this.dragAdorner != null)
{
adornerLayer.Add(this.dragAdorner);
//e.Handled = true;
}
}
}
//e.Handled = false;
}
/// <summary>
/// Start the drag operation.
/// </summary>
private void Start()
{
diagramDesigner = DiagramHelper.GetDiagramDesigner(this);
diagramDesignerVM = diagramDesigner.DataContext as IDiagramViewModel;
selectedItems = new List<DiagramDesignerItem>();
selectedItemsVM = new List<IDiagramItemViewModel>();
List<ISelectable> selection = diagramDesigner.SelectionService.CurrentSelection;
foreach (ISelectable item in selection)
{
if (item is DiagramDesignerItem)
if (!(item as DiagramDesignerItem).IsDiagramLink)
{
selectedItems.Add(item as DiagramDesignerItem);
}
}
// create control to display on the drag adorner
Canvas canvas = new Canvas();
foreach (DiagramDesignerItem item in selectedItems)
{
IDiagramItemViewModel designerItem = item.DataContext as IDiagramItemViewModel;
if (designerItem == null)
continue;
selectedItemsVM.Add(designerItem);
Rectangle r = new Rectangle();
r.Stroke = new SolidColorBrush(Colors.Black);
r.StrokeDashArray = new DoubleCollection();
r.StrokeDashArray.Add(3);
r.StrokeDashArray.Add(6);
r.StrokeThickness = 1.0;
r.Width = item.ActualWidth;
r.Height = item.ActualHeight;
r.Margin = new System.Windows.Thickness(designerItem.AbsoluteLocation.X, designerItem.AbsoluteLocation.Y, 0, 0);
canvas.Children.Add(r);
}
// create drag adorner
if (diagramDesigner != null)
{
AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(diagramDesigner);
if (adornerLayer != null)
{
this.dragAdorner = new DragAdorner(diagramDesigner, canvas, false, 1.0);
if (this.dragAdorner != null)
{
adornerLayer.Add(this.dragAdorner);
//e.Handled = true;
}
}
}
//e.Handled = false;
}