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
}
protected override void OnMouseUp(MouseButtonEventArgs e)
{
if (HitConnector != null)
{
this.hitConnector.IsConnectorMouseOver = false;
Connector sourceConnector = this.sourceConnector;
Connector sinkConnector = this.HitConnector;
var sourceItemInfo = (this.sourceConnector.ParentDesignItem.Content as Shape).ShapeInfoUnit.ShapeInfo as DesignItemInfo;
var sinkItemInfo = (this.hitConnector.ParentDesignItem.Content as Shape).ShapeInfoUnit.ShapeInfo as DesignItemInfo;
this.designCanvas.RaiseAddingDesignConnection(sourceItemInfo, sinkItemInfo);
var defaultConnectionShapeInfo = (ConnectionShapeInfo)null;
if (this.designCanvas.ConnectionShapeInfos!=null && this.designCanvas.ConnectionShapeInfos.Length > 0)
{
defaultConnectionShapeInfo = this.designCanvas.ConnectionShapeInfos[0];
}
Connection newConnection = new Connection(sourceConnector, sinkConnector, defaultConnectionShapeInfo);
this.designCanvas.RaiseAddedDesignConnection(newConnection.ShapeInfoUnit.ShapeInfo as DesignConnectionInfo);
Canvas.SetZIndex(newConnection, designCanvas.Children.Count);
this.designCanvas.Children.Add(newConnection);
}
if (HitDesignItem != null)
{
this.HitDesignItem.IsDragConnectionOver = false;
}
if (this.IsMouseCaptured) this.ReleaseMouseCapture();
AdornerLayer adornerLayer = AdornerLayer.GetAdornerLayer(this.designCanvas);
if (adornerLayer != null)
{
adornerLayer.Remove(this);
}
}
private void Paste_Executed(object sender, ExecutedRoutedEventArgs e)
{
XElement root = LoadSerializedDataFromClipBoard();
if (root == null)
return;
// create DesignItems
Dictionary<Guid, Guid> mappingOldToNewIDs = new Dictionary<Guid, Guid>();
List<ISelectable> newItems = new List<ISelectable>();
IEnumerable<XElement> itemsXML = root.Elements("DesignItems").Elements("DesignItem");
double offsetX = Double.Parse(root.Attribute("OffsetX").Value, CultureInfo.InvariantCulture);
double offsetY = Double.Parse(root.Attribute("OffsetY").Value, CultureInfo.InvariantCulture);
foreach (XElement itemXML in itemsXML)
{
Guid oldID = new Guid(itemXML.Element("ID").Value);
Guid newID = Guid.NewGuid();
mappingOldToNewIDs.Add(oldID, newID);
DesignItem item = DeserializeDesignItem(itemXML, newID, offsetX, offsetY);
this.Children.Add(item);
SetConnectorDecoratorTemplate(item);
newItems.Add(item);
}
// update group hierarchy
SelectionService.ClearSelection();
foreach (DesignItem el in newItems)
{
if (el.ParentID != Guid.Empty)
el.ParentID = mappingOldToNewIDs[el.ParentID];
}
foreach (DesignItem item in newItems)
{
if (item.ParentID == Guid.Empty)
{
SelectionService.AddToSelection(item);
}
}
// create Connections
IEnumerable<XElement> connectionsXML = root.Elements("Connections").Elements("Connection");
foreach (XElement connectionXML in connectionsXML)
{
Guid oldSourceID = new Guid(connectionXML.Element("SourceID").Value);
Guid oldSinkID = new Guid(connectionXML.Element("SinkID").Value);
if (mappingOldToNewIDs.ContainsKey(oldSourceID) && mappingOldToNewIDs.ContainsKey(oldSinkID))
{
Guid newSourceID = mappingOldToNewIDs[oldSourceID];
Guid newSinkID = mappingOldToNewIDs[oldSinkID];
String sourceConnectorName = connectionXML.Element("SourceConnectorName").Value;
String sinkConnectorName = connectionXML.Element("SinkConnectorName").Value;
Connector sourceConnector = GetConnector(newSourceID, sourceConnectorName);
Connector sinkConnector = GetConnector(newSinkID, sinkConnectorName);
Connection connection = new Connection(sourceConnector, sinkConnector);
Canvas.SetZIndex(connection, Int32.Parse(connectionXML.Element("zIndex").Value));
this.Children.Add(connection);
SelectionService.AddToSelection(connection);
}
}
DesignCanvas.BringToFront.Execute(null, this);
// update paste offset
root.Attribute("OffsetX").Value = (offsetX + 10).ToString();
root.Attribute("OffsetY").Value = (offsetY + 10).ToString();
Clipboard.Clear();
Clipboard.SetData(DataFormats.Xaml, root);
}
internal void OnAddConnection(Connection connection)
{
if (this._AddConnection == null) return;
this._AddConnection(this, new SingleDesignItemActionEventArgs(connection.ShapeInfoUnit.ShapeInfo as DesignItemInfo));
}
private void Open_Executed(object sender, ExecutedRoutedEventArgs e)
{
XElement root = LoadSerializedDataFromFile();
if (root == null)
return;
this.Children.Clear();
this.SelectionService.ClearSelection();
IEnumerable<XElement> itemsXML = root.Elements("DesignItems").Elements("DesignItem");
foreach (XElement itemXML in itemsXML)
{
Guid id = new Guid(itemXML.Element("ID").Value);
DesignItem item = DeserializeDesignItem(itemXML, id, 0, 0);
this.Children.Add(item);
SetConnectorDecoratorTemplate(item);
}
this.InvalidateVisual();
IEnumerable<XElement> connectionsXML = root.Elements("Connections").Elements("Connection");
foreach (XElement connectionXML in connectionsXML)
{
Guid sourceID = new Guid(connectionXML.Element("SourceID").Value);
Guid sinkID = new Guid(connectionXML.Element("SinkID").Value);
String sourceConnectorName = connectionXML.Element("SourceConnectorName").Value;
String sinkConnectorName = connectionXML.Element("SinkConnectorName").Value;
Connector sourceConnector = GetConnector(sourceID, sourceConnectorName);
Connector sinkConnector = GetConnector(sinkID, sinkConnectorName);
Connection connection = new Connection(sourceConnector, sinkConnector);
Canvas.SetZIndex(connection, Int32.Parse(connectionXML.Element("zIndex").Value));
this.Children.Add(connection);
}
}
