/// <summary>
/// Create the node ports
/// </summary>
/// <param name="node1">Node</param>
/// <param name="id">Port ID</param>
/// <param name="nodeoffsetx">Node offset-x value.</param>
/// <param name="nodeoffsety">Node offset-y value.</param>
private void CreateNodePort(CustomNodeViewModel node1, string id, double nodeoffsetx, double nodeoffsety)
{
NodePortViewModel nodePort = new NodePortViewModel()
{
ID = id,
NodeOffsetX = nodeoffsetx,
NodeOffsetY = nodeoffsety,
};
(node1.Ports as PortCollection).Add(nodePort);
}
/// <summary>
/// Create and return the node.
/// </summary>
/// <param name="offsetx">offset-x of the node</param>
/// <param name="offsety">offset-y of the node.</param>
/// <param name="height">Height of the node</param>
/// <param name="text">Text annotation of the node</param>
/// <returns></returns>
private CustomNodeViewModel CreateNodes(double offsetx, double offsety, double height, string text)
{
CustomNodeViewModel node = new CustomNodeViewModel()
{
UnitHeight = height,
UnitWidth = 100,
OffsetX = offsetx,
OffsetY = offsety,
Shape = App.Current.Resources["RoundedRectangle"],
Fill = new SolidColorBrush(Colors.White),
Annotations = new ObservableCollection <IAnnotation>()
{
new TextAnnotationViewModel()
{
Text = text,
FontSize = 13,
Foreground = new SolidColorBrush(Colors.Black),
FontFamily = new FontFamily("Calibri(Body)"),
}
},
};
return(node);
}
/// <summary>
/// Created the new instances of the <see cref="ConnectorsViewModel"/> class.
/// </summary>
public ConnectorsViewModel()
{
//Initialize the nodes and connectors collection
this.Nodes = new ObservableCollection <CustomNodeViewModel>();
this.Connectors = new ObservableCollection <CustomConnectorViewModel>();
//Initialize the port visibility as collapse
this.PortVisibility = PortVisibility.Collapse;
//Initialize the default connector type.
this.DefaultConnectorType = ConnectorType.CubicBezier;
//Enable the routing to the connectors.
this.Constraints |= GraphConstraints.Routing;
//Initialize the horizontal and vertical ruler.
this.HorizontalRuler = new Ruler()
{
Orientation = Orientation.Horizontal,
};
this.VerticalRuler = new Ruler()
{
Orientation = Orientation.Vertical,
};
//Initialize the snap settings.
this.SnapSettings = new SnapSettings()
{
SnapConstraints = SnapConstraints.ShowLines,
};
//Initialize the shape selection command.
SelectShapeCommand = new Command(OnSelectShapeCommandExecute);
//Initialize the item added command.
ItemAddedCommand = new Command(OnItemAddedCommandExecute);
//Initialize the view port chnaged command.
ViewPortChangedCommand = new Command(OnViewPortChangedCommandExecute);
//Create and add nodes
CustomNodeViewModel promotion = CreateNodes(140, 350, 30, "Promotion");
CustomNodeViewModel lead = CreateNodes(300, 350, 70, "Lead");
CustomNodeViewModel account = CreateNodes(500, 270, 30, "Account");
CustomNodeViewModel information = CreateNodes(500, 350, 30, "Information");
CustomNodeViewModel opportunity = CreateNodes(500, 430, 30, "Opportunity");
CustomNodeViewModel template = CreateNodes(700, 350, 204, "");
template.ContentTemplate = App.Current.Resources["ContentTemplateforNodeContent"] as DataTemplate;
//Create node ports
CreateNodePort(promotion, "promotion", 1, 0.5);
CreateNodePort(lead, "lead1", 0, 0.5);
CreateNodePort(lead, "lead2", 1, 0.5);
CreateNodePort(lead, "lead3", 1, 0.75);
CreateNodePort(lead, "lead4", 1, 0.25);
CreateNodePort(information, "information1", 0, 0.5);
CreateNodePort(information, "information2", 1, 0.5);
CreateNodePort(account, "account1", 0, 0.5);
CreateNodePort(account, "account2", 1, 0.5);
CreateNodePort(opportunity, "opportunity1", 0, 0.5);
CreateNodePort(opportunity, "opportunity2", 1, 0.5);
CreateNodePort(template, "template1", 0, 0.5);
CreateNodePort(template, "template2", 0, 0.4);
CreateNodePort(template, "template3", 0, 0.6);
//Add nodes to Nodes property of the Diagram
(this.Nodes as ObservableCollection <CustomNodeViewModel>).Add(promotion);
(this.Nodes as ObservableCollection <CustomNodeViewModel>).Add(lead);
(this.Nodes as ObservableCollection <CustomNodeViewModel>).Add(account);
(this.Nodes as ObservableCollection <CustomNodeViewModel>).Add(information);
(this.Nodes as ObservableCollection <CustomNodeViewModel>).Add(opportunity);
(this.Nodes as ObservableCollection <CustomNodeViewModel>).Add(template);
//Create and add connectors
CreateConnectors("promotion", "lead1");
CreateConnectors("lead4", "account1");
CreateConnectors("lead2", "information1");
CreateConnectors("lead3", "opportunity1");
CreateConnectors("template2", "account2");
CreateConnectors("template1", "information2");
CreateConnectors("template3", "opportunity2");
this.CreateDecoraorsCollection();
this.SelectedItems = new SelectorViewModel();
(this.SelectedItems as SelectorViewModel).SelectorConstraints &= ~(SelectorConstraints.QuickCommands);
}
