//TODO: create unit tests
public void OnNodeConnect(object sender, EventArgs e)
{
var nodeControl = (NodeControl) sender;
if (_CurrentConnector == null)
{
_CurrentConnector = new Connector(this);
_CurrentConnector.Delete += OnConnectorDelete;
_CurrentConnector.SetSourceNode(nodeControl);
}
else
{
_CurrentConnector.SetTargetNode(nodeControl);
Controls.Add(_CurrentConnector);
if (ConnectionAdded != null)
{
var eventArgs = new NodeConnectionEventArgs
{
SourceNodeId = _CurrentConnector.SourceNodeId,
TargetNodeId = _CurrentConnector.TargetNodeId
};
ConnectionAdded(this, eventArgs);
}
StopNodeConnector();
}
}
public void OnConnectorDelete_WithConnectionRemovedHandler()
{
//Arrange
var sourceNode = Guid.NewGuid();
var targetNode = Guid.NewGuid();
var sourceNodeControl = new Mock<INodeControlView>();
sourceNodeControl.SetupGet(n => n.NodeId).Returns(sourceNode);
sourceNodeControl.SetupGet(n => n.CenterPosition).Returns(new Point());
var targetNodeControl = new Mock<INodeControlView>();
targetNodeControl.SetupGet(n => n.NodeId).Returns(targetNode);
targetNodeControl.SetupGet(n => n.CenterPosition).Returns(new Point());
var connector = new Connector(_control);
connector.SetSourceNode(sourceNodeControl.Object);
connector.SetTargetNode(targetNodeControl.Object);
NodeConnectionEventArgs eventArgs = null;
_control.ConnectionRemoved += (sender, args) => eventArgs = args;
//Act
_control.OnConnectorDelete(connector, EventArgs.Empty);
//Assert
Assert.IsNotNull(eventArgs);
Assert.AreEqual(sourceNode, eventArgs.SourceNodeId);
Assert.AreEqual(targetNode, eventArgs.TargetNodeId);
}
public void DataBind(NetworkMapModel model)
{
if (model == null || model.Nodes == null)
return;
var nodeControls = new List<NodeControl>();
foreach (var node in model.Nodes)
{
var nodeControl = CreateNodeControl(node);
nodeControls.Add(nodeControl);
Controls.Add(nodeControl);
}
if (model.Connections == null)
return;
foreach (var connection in model.Connections)
{
var sourceControl = nodeControls.FirstOrDefault(n => n.NodeId == connection.SourceNodeId);
var targetControl = nodeControls.FirstOrDefault(n => n.NodeId == connection.TargetNodeId);
if (sourceControl == null || targetControl == null)
continue;
var connector = new Connector(this);
connector.SetSourceNode(sourceControl);
connector.SetTargetNode(targetControl);
connector.Delete += OnConnectorDelete;
Controls.Add(connector);
}
}
