private void Label_box_LostFocus(object sender, RoutedEventArgs e)
{
var editingObj = _graphViewer.LayoutEditor.EditingObject;
if (editingObj == null)
{
return;
}
var obj = editingObj.DrawingObject as DrawingObject2;
if (obj == null)
{
return;
}
if (obj.Label == null)
{
if (label_box.Text == "")
{
return;
}
}
else if (obj.Label.Text == label_box.Text)
{
return;
}
var node = obj as Node;
if (node != null)
{
_graphViewer.updateVNodeLabelText(editingObj as VNode, label_box.Text);
//var sz = Common.MeasureLabel(label);
//node.GeometryNode.BoundaryCurve = NodeBoundaryCurves.GetNodeBoundaryCurve(node,sz.Width,sz.Height );
//(editingObj as VNode).Invalidate();
}
else
{
var edge = obj as Edge;
if (edge == null)
{
return;
}
var vedge = editingObj as VEdge;
var label = edge.Label;
if (label == null)
{
label = new DrawingLabel(label_box.Text);
edge.Label = label;
label.Owner = edge;
//var sz = Common.MeasureLabel(label);
//edge.GeometryEdge.Label = new Microsoft.Msagl.Core.Layout.Label(sz.Width, sz.Height, edge.GeometryEdge);
var llabel = new LLabel();
edge.GeometryEdge.Label = llabel;
llabel.GeometryParent = edge.GeometryEdge;
label.GeometryLabel = llabel;
//edge.GeometryEdge.Label.UserData = edge.Label;
//var fe = _graphViewer.CreateDefaultFrameworkElementForDrawingObject(edge);
//var vlabel = new VLabel(edge, fe);
//fe.Tag = vlabel;
//(editingObj as VEdge).VLabel = vlabel;
_graphViewer.SetVEdgeLabel(edge, vedge, _graphViewer.ZIndexOfEdge(edge));
_graphViewer.LayoutEditor.AttachLayoutChangeEvent(vedge.VLabel);
}
else
{
label.Text = label_box.Text;
var textBlock = _graphViewer.drawingObjectsToFrameworkElements[edge] as TextBlock;
textBlock.Text = label.Text;
//textBlock.InvalidateMeasure();
textBlock.Width = Double.NaN;
textBlock.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
textBlock.Width = textBlock.DesiredSize.Width;
//textBlock.Height = textBlock.DesiredSize.Height;
//label.GeometryLabel.Width
}
//var vedge = _graphViewer.GetIViewerObject(edge) as VEdge;
//_graphViewer.SetVEdgeLabel(edge, vedge, _graphViewer.ZIndexOfEdge(edge));
_graphViewer.AssignLabelWidthHeight(edge.GeometryEdge, edge);
//_graphViewer.LayoutEditor.AttachLayoutChangeEvent(vedge.VLabel);
//var labelCol = new List<LLabel>();
//labelCol.Add(label.GeometryLabel);
//EdgeLabelPlacement lp = new EdgeLabelPlacement(_graphViewer.Graph.GeometryGraph,labelCol);//,label.GeometryLabel)
//var lp=new EdgeLabelPlacement(_graphViewer.Graph.GeometryGraph, new List<LLabel> { label.GeometryLabel});
var lp = new EdgeLabelPlacement(_graphViewer.Graph.GeometryGraph, new [] { label.GeometryLabel });
lp.Run();
vedge.Invalidate();
//edge.LabelText = label_box.Text;
//var vedge = _graphViewer.GetIViewerObject(edge) as VEdge;
//_graphViewer.SetVEdgeLabel(edge, vedge, _graphViewer.ZIndexOfEdge(edge));
//vedge.Invalidate();
}
//if (label.Text == label_box.Text)
// return;
//label.Text = label_box.Text;
//obj.Label = label;
}