public virtual FrameworkElement GetNewGUIInstance(DObject obj)
{
DTextLabel editingLabel = obj is IHavingDLabel ? (obj as IHavingDLabel).Label as DTextLabel : obj as DTextLabel;
if (editingLabel == null)
{
return(null);
}
var tb = new TextBox()
{
MinWidth = 50.0, Text = editingLabel.Text, SelectionStart = 0, SelectionLength = editingLabel.Text.Length, AcceptsReturn = true
};
tb.KeyDown += (sender, args) =>
{
if (System.Windows.Input.Keyboard.Modifiers == System.Windows.Input.ModifierKeys.None)
{
if (args.Key == System.Windows.Input.Key.Enter)
{
Owner.LabelEditor.Close(true);
}
else if (args.Key == System.Windows.Input.Key.Escape)
{
Owner.LabelEditor.Close(false);
}
}
};
return(tb);
}
internal DNode(DGraph graph, DrawingNode drawingNode)
: base(graph)
{
this.DrawingNode = drawingNode;
_OutEdges = new List<DEdge>();
_InEdges = new List<DEdge>();
_SelfEdges = new List<DEdge>();
PortsToDraw = new Set<Port>();
if (drawingNode.Label != null)
Label = new DTextLabel(this, drawingNode.Label);
}
internal DNode(DGraph graph, DrawingNode drawingNode)
: base(graph)
{
this.DrawingNode = drawingNode;
_OutEdges = new List <DEdge>();
_InEdges = new List <DEdge>();
_SelfEdges = new List <DEdge>();
PortsToDraw = new Set <Port>();
if (drawingNode.Label != null)
{
Label = new DTextLabel(this, drawingNode.Label);
}
}
internal DNode(DObject graph, DrawingNode drawingNode)
: base(graph)
{
this.DrawingNode = drawingNode;
_OutEdges = new List<DEdge>();
_InEdges = new List<DEdge>();
_SelfEdges = new List<DEdge>();
PortsToDraw = new Set<Port>();
if (drawingNode.Label != null && drawingNode.Label.GeometryLabel != null)
Label = new DTextLabel(this, drawingNode.Label);
if (!(this is DCluster))
Canvas.SetZIndex(this, 10000);
}
internal DNode(DObject graph, DrawingNode drawingNode)
: base(graph)
{
this.DrawingNode = drawingNode;
_OutEdges = new List <DEdge>();
_InEdges = new List <DEdge>();
_SelfEdges = new List <DEdge>();
PortsToDraw = new Set <Port>();
if (drawingNode.Label != null && drawingNode.Label.GeometryLabel != null)
{
Label = new DTextLabel(this, drawingNode.Label);
}
if (!(this is DCluster))
{
Canvas.SetZIndex(this, 10000);
}
}
internal static void SetNodeBoundaryCurve(DrawingGraph drawingGraph, DrawingNode drawingNode, DLabel existingLabel)
{
// Create the boundary curve. Note that a delegate may be allowed to create the curve (or replace it, if it already exists).
GeometryNode geomNode = drawingNode.GeometryNode;
if (geomNode == null)
return;
ICurve curve;
if (drawingNode.NodeBoundaryDelegate == null || (curve = drawingNode.NodeBoundaryDelegate(drawingNode)) == null)
{
// I need to know the node size, which may depend on a label.
double width = 0.0;
double height = 0.0;
if (existingLabel != null)
{
//existingLabel.MakeVisual();
width = existingLabel.Label.Width;
height = existingLabel.Label.Height;
width += 2 * drawingNode.Attr.LabelMargin;
height += 2 * drawingNode.Attr.LabelMargin;
}
else if (drawingNode.Label != null && drawingNode.Label.GeometryLabel != null)
{
// Measure the label's size (the only safe way is to instantiate it).
var dLabel = new DTextLabel(null, drawingNode.Label);
dLabel.MakeVisual();
width = dLabel.Label.Width;
height = dLabel.Label.Height;
// Add node label margin.
width += 2 * drawingNode.Attr.LabelMargin;
height += 2 * drawingNode.Attr.LabelMargin;
}
// Apply lower cap to node size
if (width < drawingGraph.Attr.MinNodeWidth)
width = drawingGraph.Attr.MinNodeWidth;
if (height < drawingGraph.Attr.MinNodeHeight)
height = drawingGraph.Attr.MinNodeHeight;
curve = NodeBoundaryCurves.GetNodeBoundaryCurve(drawingNode, width, height);
}
if (geomNode.BoundaryCurve != null)
curve.Translate(geomNode.BoundingBox.Center);
geomNode.BoundaryCurve = curve;
}
public virtual void UpdateLabel(FrameworkElement guiElement, DObject obj)
{
DTextLabel editingLabel = obj is IHavingDLabel ? (obj as IHavingDLabel).Label as DTextLabel : obj as DTextLabel;
editingLabel.Text = (guiElement as TextBox).Text;
}
