protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
{
base.OnMouseLeftButtonDown(e);
FlowChart flowChart = ViewModel.Model.Owner;
FlowChartView flowChartView = flowChart.ViewModel.View;
Keyboard.Focus(flowChartView);
NodeGraphManager.EndConnection();
NodeGraphManager.EndDragNode();
NodeGraphManager.EndDragSelection(false);
NodeGraphManager.MouseLeftDownNode = ViewModel.Model;
NodeGraphManager.BeginDragNode(flowChart);
Node node = ViewModel.Model;
_DraggingStartPos = new Point(node.X, node.Y);
flowChart.History.BeginTransaction("Moving node");
_ZoomAndPanStartMatrix = flowChartView.ZoomAndPan.Matrix;
e.Handled = true;
}
private void ConnectorView_LayoutUpdated(object sender, EventArgs e)
{
FlowChart flowChart = ViewModel.Model.FlowChart;
FlowChartView flowChartView = flowChart.ViewModel.View;
BuildCurveData(Mouse.GetPosition(flowChartView));
}
public void BuildCurveData(Point mousePos)
{
Connector connector = ViewModel.Model;
FlowChart flowChart = connector.FlowChart;
FlowChartView flowChartView = flowChart.ViewModel.View;
NodePort startPort = connector.StartPort;
NodePort endPort = connector.EndPort;
Point start = (null != startPort) ? ViewUtil.GetRelativeCenterLocation(startPort.ViewModel.View.PartPort, flowChartView) : mousePos;
Point end = (null != endPort) ? ViewUtil.GetRelativeCenterLocation(endPort.ViewModel.View.PartPort, flowChartView) : mousePos;
Point center = new Point((start.X + end.X) * 0.5, (start.Y + end.Y) * 0.5);
if (start.X > end.X)
{
Point temp = start;
start = end;
end = temp;
}
double ratio = Math.Min(1.0, (center.X - start.X) / 100.0);
Point c0 = start;
Point c1 = end;
c0.X += 100 * ratio;
c1.X -= 100 * ratio;
CurveData = string.Format("M{0},{1} C{0},{1} {2},{3} {4},{5} " +
"M{4},{5} C{4},{5} {6},{7} {8},{9}",
( int )start.X, ( int )start.Y, // 0, 1
( int )c0.X, ( int )c0.Y, // 2, 3
( int )center.X, ( int )center.Y, // 4, 5
( int )c1.X, ( int )c1.Y, // 6, 7
( int )end.X, ( int )end.Y); // 8.9
}
protected override void OnMouseDoubleClick(MouseButtonEventArgs e)
{
base.OnMouseDoubleClick(e);
if (MouseButton.Left == e.ChangedButton)
{
Connector connector = ViewModel.Model;
FlowChart flowChart = connector.FlowChart;
FlowChartView flowChartView = flowChart.ViewModel.View;
Point vsMousePos = e.GetPosition(flowChartView);
Point nodePos = flowChartView.ZoomAndPan.MatrixInv.Transform(vsMousePos);
flowChart.History.BeginTransaction("Creating RouterNode");
{
NodeGraphManager.CreateRouterNodeForConnector(Guid.NewGuid(), flowChart, connector,
nodePos.X, nodePos.Y, 0);
}
flowChart.History.EndTransaction(false);
}
e.Handled = true;
}
