protected override void OnMouseDown(System.Windows.Input.MouseButtonEventArgs e)
{
base.OnMouseDown(e);
// usual selection business
ViewModelDesignerCanvas designer = VisualTreeHelper.GetParent(this) as ViewModelDesignerCanvas;
if (designer != null)
{
if ((Keyboard.Modifiers & (ModifierKeys.Shift | ModifierKeys.Control)) != ModifierKeys.None)
{
if (this.IsSelected)
{
designer.SelectionService.RemoveFromSelection(this);
}
else
{
designer.SelectionService.AddToSelection(this);
}
}
else if (!this.IsSelected)
{
// designer.SelectionService.SelectItem(this);
}
Focus();
}
e.Handled = false;
}
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
// if mouse button is not pressed we have no drag operation, ...
if (e.LeftButton != MouseButtonState.Pressed)
{
this.dragStartPoint = null;
}
// but if mouse button is pressed and start point value is set we do have one
if (this.dragStartPoint.HasValue)
{
// create connection adorner
ViewModelDesignerCanvas canvas = GetDesignerCanvas(this);
if (canvas != null)
{
AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(canvas);
if (adornerLayer != null)
{
ViewModelConnectorAdorner adorner = new ViewModelConnectorAdorner(canvas, this);
if (adorner != null)
{
adornerLayer.Add(adorner);
e.Handled = true;
}
}
}
}
}
public ViewModelRubberbandAdorner(ViewModelDesignerCanvas designerCanvas, Point?dragStartPoint)
: base(designerCanvas)
{
this.designerCanvas = designerCanvas;
this.startPoint = dragStartPoint;
rubberbandPen = new Pen(Brushes.LightSlateGray, 1);
rubberbandPen.DashStyle = new DashStyle(new double[] { 2 }, 1);
}
public ViewModelConnectorAdorner(ViewModelDesignerCanvas designer, ViewModelConnector sourceConnector)
: base(designer)
{
this.designerCanvas = designer;
this.sourceConnector = sourceConnector;
drawingPen = new Pen(Brushes.LightSlateGray, 2);
drawingPen.LineJoin = PenLineJoin.Miter;
this.Cursor = Cursors.Cross;
}
// when the layout changes we update the position property
void Connector_LayoutUpdated(object sender, EventArgs e)
{
ViewModelDesignerCanvas designer = GetDesignerCanvas(this);
if (designer != null)
{
//get centre position of this Connector relative to the DesignerCanvas
this.Position = this.TransformToAncestor(designer).Transform(new Point(this.Width / 2, this.Height / 2));
}
}
protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
{
base.OnMouseLeftButtonDown(e);
ViewModelDesignerCanvas canvas = GetDesignerCanvas(this);
if (canvas != null)
{
// position relative to DesignerCanvas
this.dragStartPoint = new Point?(e.GetPosition(canvas));
e.Handled = true;
}
}
internal ModelConnectorInfo GetInfo()
{
ModelConnectorInfo info = new ModelConnectorInfo();
info.DesignerItemLeft = ViewModelDesignerCanvas.GetLeft(this.ParentDesignerItem);
info.DesignerItemTop = ViewModelDesignerCanvas.GetTop(this.ParentDesignerItem);
info.DesignerItemSize = new Size(this.ParentDesignerItem.ActualWidth, this.ParentDesignerItem.ActualHeight);
info.Orientation = this.Orientation;
info.Position = this.Position;
info.ToolTip = this.ToolTip.ToString();
return(info);
}
private void ShowAdorner()
{
// the ConnectionAdorner is created once for each Connection
if (this.connectionAdorner == null)
{
ViewModelDesignerCanvas designer = VisualTreeHelper.GetParent(this) as ViewModelDesignerCanvas;
AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(this);
if (adornerLayer != null)
{
this.connectionAdorner = new ViewModelConnectionAdorner(designer, this);
adornerLayer.Add(this.connectionAdorner);
}
}
this.connectionAdorner.Visibility = Visibility.Visible;
}
void Connection_Unloaded(object sender, RoutedEventArgs e)
{
this.Source = null;
this.Sink = null;
// remove adorner
if (this.connectionAdorner != null)
{
ViewModelDesignerCanvas designer = VisualTreeHelper.GetParent(this) as ViewModelDesignerCanvas;
AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(this);
if (adornerLayer != null)
{
adornerLayer.Remove(this.connectionAdorner);
this.connectionAdorner = null;
}
}
}
public ViewModelConnectionAdorner(ViewModelDesignerCanvas designer, ViewModelConnection connection)
: base(designer)
{
this.designerCanvas = designer;
adornerCanvas = new Canvas();
this.visualChildren = new VisualCollection(this);
this.visualChildren.Add(adornerCanvas);
this.connection = connection;
this.connection.PropertyChanged += new PropertyChangedEventHandler(AnchorPositionChanged);
InitializeDragThumbs();
drawingPen = new Pen(Brushes.LightSlateGray, 1);
drawingPen.LineJoin = PenLineJoin.Round;
base.Unloaded += new RoutedEventHandler(ConnectionAdorner_Unloaded);
}
public ViewModelSelectionService(ViewModelDesignerCanvas canvas)
{
this.designerCanvas = canvas;
}
protected override void OnDrop(DragEventArgs e)
{
Type t = e.GetType();
base.OnDrop(e);
ModelDragObject dragObject = e.Data.GetData(typeof(ModelDragObject)) as ModelDragObject;
ModelCanvasStateObject state = new ModelCanvasStateObject();
PropertyGrid SelectedPgrid = new PropertyGrid();
if (dragObject != null && !String.IsNullOrEmpty(dragObject.Xaml))
{
ViewModelDesignerItem newItem = null;
Object content = XamlReader.Load(XmlReader.Create(new StringReader(dragObject.Xaml)));
if (content != null)
{
newItem = new ViewModelDesignerItem();
DockPanel pnl = (DockPanel)content;
string StateBrandName = pnl.ToolTip.ToString();
if (StateBrandName != "P" && StateBrandName != "GENERIC")
{
string StateBrandId = ConfigurationManager.AppSettings[StateBrandName];
if (CurrentBrandId != StateBrandId)
{
return;
}
}
state.Id = avaliableStateNumberList[0].ToString();
avaliableStateNumberList.Remove(state.Id);
// GetStateType(pnl.Tag.ToString());
state.Type = pnl.Tag.ToString();
pnl.Name = state.Type + state.Id.ToString();
pnl.Uid = state.Id;
state.dockPanel = pnl;
content = pnl;
Type ClassType = Type.GetType("ATMDesigner.UI.States.State" + pnl.Tag.ToString());
Object ClassInstance = Activator.CreateInstance(ClassType, this);
PropertyInfo StateNo = ClassType.GetProperty("StateNumber");
StateNo.SetValue(ClassInstance, state.Id, null);
PropertyInfo BrandId = ClassType.GetProperty("BrandId");
BrandId.SetValue(ClassInstance, CurrentBrandId, null);
PropertyInfo ConfigId = ClassType.GetProperty("ConfigId");
ConfigId.SetValue(ClassInstance, CurrentConfigId, null);
SelectedPgrid.SelectedObject = ClassInstance;
SelectedPgrid.SelectedObjectName = state.Id;
state.PropertyGrid = SelectedPgrid;
state.TransactionName = CurrentTransactionName;
state.BrandId = CurrentBrandId;
state.ConfigId = CurrentConfigId;
newItem.Content = content;
Point position = e.GetPosition(this);
if (dragObject.DesiredSize.HasValue)
{
Size desiredSize = dragObject.DesiredSize.Value;
newItem.Width = desiredSize.Width;
newItem.Height = desiredSize.Height;
ViewModelDesignerCanvas.SetLeft(newItem, Math.Max(0, position.X - newItem.Width / 2));
ViewModelDesignerCanvas.SetTop(newItem, Math.Max(0, position.Y - newItem.Height / 2));
}
else
{
ViewModelDesignerCanvas.SetLeft(newItem, Math.Max(0, position.X));
ViewModelDesignerCanvas.SetTop(newItem, Math.Max(0, position.Y));
}
newItem.StateName = state.Type;
newItem.StateNumber = state.Id;
TransactionList.Add(state);
Canvas.SetZIndex(newItem, this.Children.Count);
this.Children.Add(newItem);
SetConnectorDecoratorTemplate(newItem);
this.SelectionService.SelectItem(newItem);
newItem.Focus();
}
e.Handled = true;
}
}