private static LayoutData CreateLayoutData(IGraph tree, INode centerNode)
{
var data = new TreeLayoutData
{
NodePlacers = { Delegate = delegate(INode node) {
var employee = node.Tag as XmlElement;
if (tree.OutDegree(node) == 0 || employee == null)
{
return(null);
}
var layout = employee.GetAttribute("layout");
switch (layout)
{
case "rightHanging":
return(new AssistantNodePlacer()
{
ChildNodePlacer = new DefaultNodePlacer(ChildPlacement.VerticalToRight, RootAlignment.LeadingOnBus, 30, 30)
{
RoutingStyle = RoutingStyle.ForkAtRoot
}
});
case "leftHanging":
return(new AssistantNodePlacer()
{
ChildNodePlacer = new DefaultNodePlacer(ChildPlacement.VerticalToLeft, RootAlignment.LeadingOnBus, 30, 30)
{
RoutingStyle = RoutingStyle.ForkAtRoot
}
});
case "bothHanging":
return(new AssistantNodePlacer()
{
ChildNodePlacer = new LeftRightNodePlacer()
{
PlaceLastOnBottom = false
}
});
default:
return(new AssistantNodePlacer()
{
ChildNodePlacer = new DefaultNodePlacer(ChildPlacement.HorizontalDownward, RootAlignment.Median, 30, 30)
});
}
} },
AssistantNodes = { Delegate = delegate(INode node) {
var employee = node.Tag as XmlElement;
var assistant = employee != null ? employee.Attributes["assistant"] : null;
return(assistant != null && assistant.Value == "true");
} }
};
return(data.CombineWith(new FixNodeLayoutData {
FixedNodes = { Item = centerNode }
}));
}
private static LayoutData CreateLayoutData(IGraph tree, INode centerNode)
{
var data = new TreeLayoutData
{
NodePlacers =
{
Delegate = delegate(INode node) {
var employee = node.Tag as Employee;
if (tree.OutDegree(node) == 0 || employee == null)
{
return(null);
}
var layout = employee.Layout;
switch (layout)
{
case EmployeeLayout.RightHanging:
return(new AssistantNodePlacer
{
ChildNodePlacer = new DefaultNodePlacer(ChildPlacement.VerticalToRight, RootAlignment.LeadingOnBus, 30, 30)
{
RoutingStyle = RoutingStyle.ForkAtRoot
}
});
case EmployeeLayout.LeftHanging:
return(new AssistantNodePlacer
{
ChildNodePlacer = new DefaultNodePlacer(ChildPlacement.VerticalToLeft, RootAlignment.LeadingOnBus, 30, 30)
{
RoutingStyle = RoutingStyle.ForkAtRoot
}
});
case EmployeeLayout.BothHanging:
return(new AssistantNodePlacer
{
ChildNodePlacer = new LeftRightNodePlacer()
{
PlaceLastOnBottom = false
}
});
default:
return(new AssistantNodePlacer
{
ChildNodePlacer = new DefaultNodePlacer(ChildPlacement.HorizontalDownward, RootAlignment.Median, 30, 30)
});
}
}
},
AssistantNodes =
{
Delegate = delegate(INode node) {
var employee = node.Tag as Employee;
return(employee != null && employee.Assistant);
}
}
};
return(data.CombineWith(new FixNodeLayoutData {
FixedNodes = { Item = centerNode }
}));
}
