/// <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>
/// Contructor.
/// </summary>
/// <param name="designerCanvas">Designer items canvas.</param>
/// <param name="dragStartPoint">Start point.</param>
public DiagramDesignerRubberbandAdorner(DiagramDesignerCanvas designerCanvas, Point? dragStartPoint)
: base(designerCanvas)
{
this.designerCanvas = designerCanvas;
this.designer = DiagramHelper.GetDiagramDesigner(this.designerCanvas);
this.startPoint = dragStartPoint;
rubberbandPen = new Pen(Brushes.LightSlateGray, 1);
rubberbandPen.DashStyle = new DashStyle(new double[] { 2 }, 1);
}
/// <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>
/// 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>
/// Constructor
/// </summary>
/// <param name="designer">Diagram designer.</param>
/// <param name="sourceConnector">Source item of the relationship.</param>
/// <param name="startPoint">Start point.</param>
public DiagramConnectorAdorner(DiagramDesigner designer, DiagramConnector sourceConnector, Point startPoint)
: base(designer)
{
this.diagramDesigner = designer;
if (this.diagramDesigner.DataContext is IDiagramViewModel)
diagramDesignerVM = this.diagramDesigner.DataContext as IDiagramViewModel;
this.sourceConnector = sourceConnector;
this.startPoint = startPoint;
sourceItem = sourceConnector.DiagramItem;
//if (sourceConnector.DiagramItem is ISelectable)
// this.sourceElement = (sourceConnector.DiagramItem as ISelectable).SelectedData;
drawingPen = new Pen(Brushes.LightSlateGray, 1);
drawingPen.LineJoin = PenLineJoin.Round;
this.Cursor = Cursors.Cross;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="designer">Diagram designer.</param>
/// <param name="sourceConnector">Source item of the relationship.</param>
/// <param name="startPoint">Start point.</param>
public DiagramConnectorAdorner(DiagramDesigner designer, DiagramConnector sourceConnector, Point startPoint)
: base(designer)
{
this.diagramDesigner = designer;
if (this.diagramDesigner.DataContext is IDiagramViewModel)
{
diagramDesignerVM = this.diagramDesigner.DataContext as IDiagramViewModel;
}
this.sourceConnector = sourceConnector;
this.startPoint = startPoint;
sourceItem = sourceConnector.DiagramItem;
//if (sourceConnector.DiagramItem is ISelectable)
// this.sourceElement = (sourceConnector.DiagramItem as ISelectable).SelectedData;
drawingPen = new Pen(Brushes.LightSlateGray, 1);
drawingPen.LineJoin = PenLineJoin.Round;
this.Cursor = Cursors.Cross;
}
private static void SelectedItemsPropertyChanged(DependencyObject obj, DependencyPropertyChangedEventArgs args)
{
DiagramDesigner designer = obj as DiagramDesigner;
if (designer != null)
{
if (designer.SelectedItems == null)
{
designer.SelectionService.ClearSelection(false);
}
else
{
if (designer.SelectedItems.Count == 0)
{
designer.SelectionService.ClearSelection(false);
}
else
{
// TODO
}
}
}
}
//private Point? rubberbandSelectionStartPoint = null;
/*
* /// <summary>
* /// Cancels the rubberband selection.
* /// </summary>
* public void CancelRubberbandSelection()
* {
* this.rubberbandSelectionStartPoint = null;
* }*/
/// <summary>
/// Set the starting point for a possible rubberband selection. Clear selection if
/// this is the top most container.
/// </summary>
/// <param name="e"></param>
protected override void OnMouseDown(MouseButtonEventArgs e)
{
base.OnMouseDown(e);
if (e.Source == this && e.LeftButton == MouseButtonState.Pressed)
{
// in case that this click is the start of a
// drag operation we cache the start point
//this.rubberbandSelectionStartPoint = new Point?(e.GetPosition(this));
DiagramRubberbandSelector.RubberbandSelectionStartPoint = new Point?(e.GetPosition(this));
}
if (e.Source == this && IsTopMostContainer())
{
DiagramDesigner designer = DiagramHelper.GetDiagramDesigner(this);
if (designer != null)
{
if (designer.SelectionService.CurrentSelection.Count > 0)
{
designer.SelectionService.ClearSelection(true);
}
Focus();
}
}
}
/// <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>
/// Constructor.
/// </summary>
/// <param name="diagramDesigner">Designer for which this service is to be initialized.</param>
public DiagramDesignerSelectionService(DiagramDesigner diagramDesigner)
{
this.currentSelection = new List<ISelectable>();
this.diagramDesigner = diagramDesigner;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="diagramDesigner">Designer for which this service is to be initialized.</param>
public DiagramDesignerSelectionService(DiagramDesigner diagramDesigner)
{
this.currentSelection = new List <ISelectable>();
this.diagramDesigner = diagramDesigner;
}
/// <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;
}
