/// <summary>
/// Initializes a new constructor for <see cref="LineRoutingVM"/> class.
/// </summary>
public LineRoutingVM()
{
//Initialize the nodes and connectors collection
this.Nodes = new ObservableCollection <RoutingNodeViewModel>();
this.Connectors = new ObservableCollection <ConnectorViewModel>();
//Enable bridging and routing constraints.
this.Constraints = GraphConstraints.Default | GraphConstraints.Bridging | GraphConstraints.Routing;
//Initialize the command to bring the elements to the center of the page.
ViewPortChangedCommand = new DelegateCommand(OnViewPortChangedCommandExecute);
//Create and add nodes
RoutingNodeViewModel start = CreateNodes("start", 115, 110, "Start", "#D5535D", "Terminator");
RoutingNodeViewModel process = CreateNodes("process", 115, 255, "Process", "#65B091", "Process");
RoutingNodeViewModel document = CreateNodes("document", 115, 400, "Document", "#5BA5F0", "Document");
RoutingNodeViewModel decision = CreateNodes("decision", 390, 110, "Decision", "#9A8AF7", "Decision");
RoutingNodeViewModel document2 = CreateNodes("document2", 390, 255, "Document", "#5BA5F0", "Document");
RoutingNodeViewModel end = CreateNodes("end", 390, 400, "End", "#D5535D", "Terminator");
RoutingNodeViewModel process2 = CreateNodes("process2", 640, 110, "Process", "#65B091", "Process");
RoutingNodeViewModel card = CreateNodes("card", 640, 255, "Card", "#76C3F0", "Card");
//Add Node to Nodes property of the Diagram
(this.Nodes as ObservableCollection <RoutingNodeViewModel>).Add(start);
(this.Nodes as ObservableCollection <RoutingNodeViewModel>).Add(process);
(this.Nodes as ObservableCollection <RoutingNodeViewModel>).Add(document);
(this.Nodes as ObservableCollection <RoutingNodeViewModel>).Add(decision);
(this.Nodes as ObservableCollection <RoutingNodeViewModel>).Add(document2);
(this.Nodes as ObservableCollection <RoutingNodeViewModel>).Add(end);
(this.Nodes as ObservableCollection <RoutingNodeViewModel>).Add(process2);
(this.Nodes as ObservableCollection <RoutingNodeViewModel>).Add(card);
CreateNodePort(start, "startPort1", 0, 0.5);
CreateNodePort(document, "documentPort1", 0, 0.5);
CreateNodePort(card, "cardPort1", 1, 0.5);
CreateNodePort(card, "cardPort2", 0.5, 1);
//Create and add connectors
CreateConnectors("start", "process", null, null);
CreateConnectors("process", "document", null, null);
CreateConnectors("document", "end", null, null);
CreateConnectors("start", "decision", null, null);
CreateConnectors("decision", "process2", null, null);
CreateConnectors("process2", "card", null, null);
CreateConnectors("process", "document2", null, null);
CreateConnectors("document2", "card", null, null);
CreateConnectors("start", "card", "startPort1", "cardPort1");
CreateConnectors("card", "document", "cardPort2", "documentPort1");
}
/// <summary>
/// Create and add the nodes.
/// </summary>
/// <param name="id">ID of the Node</param>
/// <param name="offsetx">Offset-x value of the node.</param>
/// <param name="offsety">Offset-y value of the node.</param>
/// <param name="text">Text to the node.</param>
private RoutingNodeViewModel CreateNodes(string id, double offsetx, double offsety, string text, string fillColor, string shape)
{
RoutingNodeViewModel node = new RoutingNodeViewModel()
{
ID = id,
UnitHeight = 50,
UnitWidth = 120,
OffsetX = offsetx,
OffsetY = offsety,
Shape = resourceDictionary[shape],
Fill = new SolidColorBrush((Color)ColorConverter.ConvertFromString(fillColor)),
Annotations = new ObservableCollection <IAnnotation>()
{
new TextAnnotationViewModel()
{
Text = text,
FontSize = 15,
Foreground = new SolidColorBrush(Colors.White),
}
},
};
return(node);
}