public override void OnApplyTemplate()
{
base.OnApplyTemplate();
if (this.ScrollViewer == null)
return;
this.designCanvas = this.ScrollViewer.Content as DesignCanvas;
if (this.designCanvas == null)
throw new Exception("DesignCanvas must not be null!");
this.zoomThumb = Template.FindName("PART_ZoomThumb", this) as Thumb;
if (this.zoomThumb == null)
throw new Exception("PART_ZoomThumb template is missing!");
this.zoomCanvas = Template.FindName("PART_ZoomCanvas", this) as Canvas;
if (this.zoomCanvas == null)
throw new Exception("PART_ZoomCanvas template is missing!");
this.zoomSlider = Template.FindName("PART_ZoomSlider", this) as Slider;
if (this.zoomSlider == null)
throw new Exception("PART_ZoomSlider template is missing!");
this.designCanvas.LayoutUpdated += new EventHandler(this.DesignCanvas_LayoutUpdated);
this.zoomThumb.DragDelta += new DragDeltaEventHandler(this.Thumb_DragDelta);
this.zoomSlider.ValueChanged += new RoutedPropertyChangedEventHandler<double>(this.ZoomSlider_ValueChanged);
this.scaleTransform = new ScaleTransform();
this.designCanvas.LayoutTransform = this.scaleTransform;
}
public ConnectorAdorner(DesignCanvas canvas, Connector sourceConnector)
: base(canvas)
{
this.designCanvas = canvas;
this.sourceConnector = sourceConnector;
drawingPen = new Pen(Brushes.LightSlateGray, 1);
drawingPen.LineJoin = PenLineJoin.Round;
this.Cursor = Cursors.Cross;
}
public ConnectionAdorner(DesignCanvas canvas, Connection connection)
: base(canvas)
{
this.designCanvas = canvas;
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); //Resolve the issue of swithing tabItem
}
public RubberbandAdorner(DesignCanvas designCanvas, Point? dragStartPoint)
: base(designCanvas)
{
this.designCanvas = designCanvas;
this.startPoint = dragStartPoint;
this.adornerCanvas = new Canvas();
this.adornerCanvas.Background = Brushes.Transparent;
this.visuals = new VisualCollection(this);
this.visuals.Add(this.adornerCanvas);
this.rubberband = new Rectangle();
this.rubberband.Stroke = Brushes.Navy;
this.rubberband.StrokeThickness = 1;
this.rubberband.StrokeDashArray = new DoubleCollection(new double[] { 2 });
this.adornerCanvas.Children.Add(this.rubberband);
}
public DesignerKernel()
{
InitializeComponent();
canvas = this.DesignCanvas;
canvas.DesignCanvasMouseClick += (o, e) => { this.RaiseDesignCanvasMouseClick(e.canvasInfo); };
canvas.DesignCanvasMouseDoubleClick += (o, e) => { this.RaiseDesignCanvasMouseDoubleClick(e.canvasInfo); };
canvas.DesignCanvasMouseRightClick += (o, e) => { this.RaiseDesignCanvasMouseRightClick(e.canvasInfo); };
canvas.DesignItemMouseDoubleClick += (o, e) => { this.RaiseDesignItemMouseDoubleClick(e.DesignItemInfo); };
canvas.DesignItemMouseRightClick += (o, e) => { this.RaiseDesignItemMouseRightClick(e.DesignItemInfo); };
canvas.DesignItemLinkButtonClick += (o, e) => { this.RaiseDesignItemLinkButtonClick(e.DesignItemInfo); };
canvas.DesignItemLinkButtonDoubleClick += (o, e) => { this.RaiseDesignItemLinkButtonDoubleClick(e.DesignItemInfo); };
canvas.DesignConnectionMouseDoubleClick += (o, e) => { this.RaiseDesignConnectionMouseDoubleClick(e.DesignConnection); };
canvas.DesignConnectionMouseRightClick += (o, e) => { this.RaiseDesignConnectionMouseRightClick(e.DesignConnection); };
canvas.DesignConnectionMouseRightClick += (o, e) => { this.RaiseDesignConnectionMouseRightClick(e.DesignConnection); };
canvas.DesignItemSelected += (o, e) =>{this.RaiseDesignItemSelected(e.DesignItemInfo);};
canvas.DesignConnectionSelected+=(o,e)=>{this.RaiseDesignConnectionSelected(e.DesignConnection);};
canvas.DesignItemMultiSelected += (o, e) =>{this.RaiseDesignItemMultiSelected(e.DesignItemInfos);};
canvas.DesignShapeMultiSelected += (o, e) =>{this.RaiseDesignShapeMultiSelected(e.DesignItemInfos,e.DesignConnectionInfos);};
canvas.PreAddDesignItem += (o, e) => { this.RaisePreAddDesignItem(e.DesignItemInfos); };
canvas.AddingDesignItem += (o, e) => { this.RaiseAddingDesignItem(e.DesignItemInfos); };
canvas.AddedDesignItem += (o, e) => { this.RaiseAddedDesignItem(e.DesignItemInfo); };
canvas.PreAddDesignConnection += (o, e) => { this.RaisePreAddDesignConnection(e.SourceItemInfo,e.SinkItemInfo); };
canvas.AddingDesignConnection += (o, e) => { this.RaiseAddingDesignConnection(e.SourceItemInfo,e.SinkItemInfo); };
canvas.AddedDesignConnection += (o, e) => { this.RaiseAddedDesignConnection(e.DesignConnection); };
canvas.AddingDesignShapes += (o, e) => { this.RaiseAddingDesignShapes(e.DesignItemInfos,e.DesignConnectionInfos); };
canvas.AddedDesignShapes += (o, e) => { this.RaiseAddedDesignShapes(e.DesignItemInfos,e.DesignConnectionInfos); };
canvas.DeletingDesignShapes += (o, e) => { this.RaiseDeletingDesignShapes(e.DesignItemInfos,e.DesignConnectionInfos); };
canvas.DeletedDesignShapes += (o, e) => { this.RaiseDeletedDesignShapes(e.DesignItemInfos,e.DesignConnectionInfos); };
canvas.ModifyingDesignShapes += (o, e) => { this.RaiseModifyingDesignShapes(e.DesignItemInfos,e.DesignConnectionInfos); };
canvas.ModifiedDesignShapes += (o, e) => { this.RaiseModifiedDesignShapes(e.DesignItemInfos,e.DesignConnectionInfos); };
canvas.DesignItemCollectionChanged += (o, e) => { this.RaiseDesignItemCollectionChanged(e.DesignItemInfos); };
canvas.DesignWorkspaceSaving += (o, e) => { this.RaiseDesignWorkspaceSaving(e.CanvasInfo,e.DesignItemInfos,e.DesignConnectionInfos); };
}
public SelectionService(DesignCanvas canvas)
{
this.designCanvas = canvas;
}
protected override void OnPreviewMouseDown(MouseButtonEventArgs e)
{
base.OnPreviewMouseDown(e);
canvas = VisualTreeHelper.GetParent(this) as DesignCanvas;
// update selection
if (canvas != null)
{
if ((Keyboard.Modifiers & (ModifierKeys.Shift | ModifierKeys.Control)) != ModifierKeys.None)
{
if (this.IsSelected)
{
canvas.SelectionService.RemoveFromSelection(this);
}
else
{
canvas.SelectionService.AddToSelection(this);
}
}
else if (!this.IsSelected)
{
canvas.SelectionService.SelectItem(this);
}
var designItemInfo = canvas.CurrentDesignItemInfos.First(a=>a.ID==this.ID);
if (VisualTreeHelperX.FindParentControl<Button>(e.OriginalSource as DependencyObject) == null)
{
if (e.ChangedButton == MouseButton.Left && e.LeftButton == MouseButtonState.Pressed)
{
if (e.ClickCount == 2)
{
canvas.RaiseDesignItemMouseDoubleClick(designItemInfo);
}
}
else if (e.ChangedButton == MouseButton.Right && e.RightButton == MouseButtonState.Pressed)
{
if (e.ClickCount == 1)
{
canvas.RaiseDesignItemMouseRightClick(designItemInfo);
}
}
}
Focus();
}
e.Handled = false;
}
protected override void OnMouseDown(System.Windows.Input.MouseButtonEventArgs e)
{
base.OnMouseDown(e);
// usual selection business
canvas = VisualTreeHelper.GetParent(this) as DesignCanvas;
if (canvas != null)
{
if ((Keyboard.Modifiers & (ModifierKeys.Shift | ModifierKeys.Control)) != ModifierKeys.None)
if (this.IsSelected)
{
canvas.SelectionService.RemoveFromSelection(this);
}
else
{
canvas.SelectionService.AddToSelection(this);
}
else if (!this.IsSelected)
{
canvas.SelectionService.SelectItem(this);
}
var designItemInfo = this.ShapeInfoUnit.ShapeInfo as DesignConnectionInfo;
if (e.ChangedButton == MouseButton.Left && e.LeftButton == MouseButtonState.Pressed)
{
if (e.ClickCount == 2)
{
canvas.RaiseDesignConnectionMouseDoubleClick(designItemInfo);
}
}
else if (e.ChangedButton == MouseButton.Right && e.RightButton == MouseButtonState.Pressed)
{
if (e.ClickCount == 1)
{
canvas.RaiseDesignConnectionMouseRightClick(designItemInfo);
}
}
Focus();
}
e.Handled = false;
}
