private void InitializeGraph()
{
// create new nodestyle that delegates to other
// styles for different zoom ranges
var nodeStyle = new OrgChartNodeStyle();
// specify the three different zoom ranges
overviewRange = new OrgChartNodeStyle.DoubleRange(0, 0.3);
intermediateRange = new OrgChartNodeStyle.DoubleRange(0.3, 0.8);
detailRange = new OrgChartNodeStyle.DoubleRange(0.8, Double.PositiveInfinity);
// set different node styles for the zoom ranges
nodeStyle.SetNodeStyle(overviewRange, new OverviewNodeStyle());
nodeStyle.SetNodeStyle(intermediateRange, new IntermediateNodeStyle());
DetailNodeStyle detailNodeStyle = new DetailNodeStyle();
// add buttons to detail node style
ButtonDecoratorNodeStyle buttonDecorator = new ButtonDecoratorNodeStyle();
buttonDecorator.DecoratedStyle = detailNodeStyle;
AddDecoratorButtons(buttonDecorator);
nodeStyle.SetNodeStyle(detailRange, buttonDecorator);
graphControl.Graph.NodeDefaults.Style = nodeStyle;
graphControl.Graph.NodeDefaults.Size = new SizeD(250, 100);
graphControl.Graph.EdgeDefaults.Style = new PolylineEdgeStyle {
SmoothingLength = 10
};
}
public MyClickHandler(INode node, ButtonDecoratorNodeStyle style)
{
this.node = node;
this.style = style;
}
/// <summary>
/// Adds the buttons to the <see cref="ButtonDecoratorNodeStyle" />.
/// </summary>
private void AddDecoratorButtons(ButtonDecoratorNodeStyle buttonDecorator)
{
int buttonSize = 14;
// show parent button
var b1 = new Button {
Command = ShowParentCommand,
CanExecuteHandler = CanExecuteShowParent,
CommandParameter = Button.UseNodeParameter,
CommandTarget = Button.UseCanvasControlTarget,
// set a label as the button visualization
Visualization = new SimpleLabel(null, "", FreeNodeLabelModel.Instance.CreateParameter(
new PointD(1, 1),
new PointD(-32, -32),
PointD.Origin,
PointD.Origin, 0))
{
// style the label
Style = new ButtonLabelStyle {
BackgroundColor = Color.Black,
ForegroundColor = Color.White,
Icon = ButtonLabelStyle.ButtonIcon.ShowParent
},
PreferredSize = new SizeD(buttonSize, buttonSize)
}
};
// set ButtonLabelStyle.Button so the style knows its owner
((ButtonLabelStyle)b1.Visualization.Style).Button = b1;
buttonDecorator.Buttons.Add(b1);
// hide parent button
var b2 = new Button {
Command = HideParentCommand,
CanExecuteHandler = CanExecuteHideParent,
CommandParameter = Button.UseNodeParameter,
CommandTarget = Button.UseCanvasControlTarget,
// set a label as the button visualization
Visualization = new SimpleLabel(null, "", FreeNodeLabelModel.Instance.CreateParameter(
new PointD(1, 1),
new PointD(-17, -32),
PointD.Origin, PointD.Origin, 0))
{
// style the label
Style = new ButtonLabelStyle {
BackgroundColor = Color.Black,
ForegroundColor = Color.White,
Icon = ButtonLabelStyle.ButtonIcon.HideParent
},
PreferredSize = new SizeD(buttonSize, buttonSize)
}
};
// set ButtonLabelStyle.Button so the style knows it's owner
((ButtonLabelStyle)b2.Visualization.Style).Button = b2;
buttonDecorator.Buttons.Add(b2);
// show children button
var b3 = new Button {
Command = ShowChildrenCommand,
CanExecuteHandler = CanExecuteShowChildren,
CommandParameter = Button.UseNodeParameter,
CommandTarget = Button.UseCanvasControlTarget,
// set a label as the button visualization
Visualization = new SimpleLabel(null, "", FreeNodeLabelModel.Instance.CreateParameter(
new PointD(1, 1),
new PointD(-32, -17),
PointD.Origin, PointD.Origin, 0))
{
// style the label
Style = new ButtonLabelStyle {
BackgroundColor = Color.Black,
ForegroundColor = Color.White,
Icon = ButtonLabelStyle.ButtonIcon.ShowChildren
},
PreferredSize = new SizeD(buttonSize, buttonSize)
}
};
// set ButtonLabelStyle.Button so the style knows it's owner
((ButtonLabelStyle)b3.Visualization.Style).Button = b3;
buttonDecorator.Buttons.Add(b3);
// hide children button
var b4 = new Button {
Command = HideChildrenCommand,
CanExecuteHandler = CanExecuteHideChildren,
CommandParameter = Button.UseNodeParameter,
CommandTarget = Button.UseCanvasControlTarget,
// set a label as the button visualization
Visualization = new SimpleLabel(null, "", FreeNodeLabelModel.Instance.CreateParameter(
new PointD(1, 1),
new PointD(-17, -17),
PointD.Origin, PointD.Origin, 0))
{
// style the label
Style = new ButtonLabelStyle {
BackgroundColor = Color.Black,
ForegroundColor = Color.White,
Icon = ButtonLabelStyle.ButtonIcon.HideChildren
},
PreferredSize = new SizeD(buttonSize, buttonSize)
}
};
// set ButtonLabelStyle.Button so the style knows it's owner
((ButtonLabelStyle)b4.Visualization.Style).Button = b4;
buttonDecorator.Buttons.Add(b4);
}