private void CreateEdgeControl(VertexControl targetVertexControl)
{
if (sourceVertexControl == null)
{
editorManager.CreateVirtualEdge(targetVertexControl, targetVertexControl.GetPosition());
sourceVertexControl = targetVertexControl;
HighlightBehaviour.SetHighlighted(sourceVertexControl, true);
return;
}
if (Equals(sourceVertexControl, targetVertexControl))
{
return;
}
var wordPrototype = viewModel.DataStructure.Elements.OfType<Word>().Single();
var addEdgeDialog =
new AddEdgeWindow(
new AddEdgeViewModel(
wordPrototype.Attributes.Single(
a => a.Name.Equals(CurrentConfiguration.Edge.LabelAttributeName))));
if (addEdgeDialog.ShowDialog().GetValueOrDefault())
{
var edgeLabelText = string.Empty;
var dataContext = addEdgeDialog.DataContext as AddEdgeViewModel;
if (dataContext != null)
{
edgeLabelText = dataContext.Attributes.First().Value;
}
var sourceWordVertex = sourceVertexControl.Vertex as WordVertex;
var targetWordVertex = targetVertexControl.Vertex as WordVertex;
if ((sourceWordVertex == null) || (targetWordVertex == null))
{
return;
}
targetWordVertex.WordWrapper.SetAttributeByName(
CurrentConfiguration.Edge.SourceVertexAttributeName,
sourceWordVertex.WordWrapper.GetAttributeByName(CurrentConfiguration.Edge.TargetVertexAttributeName));
targetWordVertex.WordWrapper.SetAttributeByName(
CurrentConfiguration.Edge.LabelAttributeName,
edgeLabelText);
var data = new WordEdge((WordVertex)sourceVertexControl.Vertex, targetWordVertex)
{
Text = edgeLabelText
};
var ec = new EdgeControl(sourceVertexControl, targetVertexControl, data);
GgArea.InsertEdgeAndData(data, ec, 0, true);
HighlightBehaviour.SetHighlighted(sourceVertexControl, false);
sourceVertexControl = null;
editorManager.DestroyVirtualEdge();
}
viewModel.InvalidateCommands();
}
/// <summary>
/// Shows windodow AddEdgeWindow
/// </summary>
private void AddEdge_Click(object sender, RoutedEventArgs e)
{
AddEdgeWindow addEdgeWindow = new AddEdgeWindow(this.machine);
addEdgeWindow.Show();
}
