void ResetGraph()
{
start_node.Items.Clear();
goal_node.Items.Clear();
_gArea?.ResetNodesColor();
var bg = new BiGraph <string>();
current_graph = bg;
wpfHost.Child = GenerateWpfVisuals <string>(bg, ref _gArea);
_gArea.Generate();
_zoomctrl.ZoomToFill();
}
public void LoadGraph(string file)
{
ParserResults <string> res = null;
if (file.EndsWith(".xml"))
{
res = xml_parser.Parse(file);
}
else
{
res = text_parser.Parse(file);
}
ResetGraph();
var bg = new BiGraph <string>();
current_graph = bg;
foreach (var n in res.Nodes)
{
bg.AddVertex((Node <string>)n);
// add nodes to cboxes
var ci = new ComboBoxItem(n.Key + "_node", n.Key);
ci.Tag = n;
start_node.Items.Add(ci);
goal_node.Items.Add(ci);
// set defaults
goal_node.SelectedIndex = goal_node.Items.Count - 1;
start_node.SelectedIndex = 0;
// set nodes event handlers
n.OnPostVisit += N_OnPostVisit;
n.OnPreVisit += N_OnPreVisit;
n.OnVisit += N_OnVisit;
n.OnActionVisit += N_OnActionVisit;
}
foreach (var e in res.Edges)
{
// set node edges
e.Source.Edges.Add(e);
bg.AddEdge((Base.Edge <string>)e);
}
wpfHost.Child = GenerateWpfVisuals <string>(bg, ref _gArea);
_gArea.Generate();
_zoomctrl.ZoomToFill();
}
private UIElement GenerateWpfVisuals <K>(BiGraph <K> graph, ref BiGraphArea <K> _gArea)
where K : class, IComparable <K>
{
_zoomctrl = new ZoomControl();
ZoomControl.SetViewFinderVisibility(_zoomctrl, Visibility.Visible);
var logic = new GXLogicCore <Node <K>, Base.Edge <K>, BidirectionalGraph <Node <K>, Base.Edge <K> > >();
_gArea = new BiGraphArea <K>
{
// EnableWinFormsHostingMode = false,
LogicCore = logic,
EdgeLabelFactory = new DefaultEdgelabelFactory()
};
_gArea.ShowAllEdgesLabels(true);
logic.Graph = graph;
logic.DefaultLayoutAlgorithm = ((LayoutAlgorithmTypeEnum)(layoutcombo.SelectedItem as ComboBoxItem).Tag);
logic.DefaultLayoutAlgorithmParams = logic.AlgorithmFactory.CreateLayoutParameters(((LayoutAlgorithmTypeEnum)(layoutcombo.SelectedItem as ComboBoxItem).Tag));
//((LinLogLayoutParameters)logic.DefaultLayoutAlgorithmParams). = 100;
logic.DefaultOverlapRemovalAlgorithm = OverlapRemovalAlgorithmTypeEnum.FSA;
logic.DefaultOverlapRemovalAlgorithmParams = logic.AlgorithmFactory.CreateOverlapRemovalParameters(OverlapRemovalAlgorithmTypeEnum.FSA);
((OverlapRemovalParameters)logic.DefaultOverlapRemovalAlgorithmParams).HorizontalGap = 50;
((OverlapRemovalParameters)logic.DefaultOverlapRemovalAlgorithmParams).VerticalGap = 50;
logic.DefaultEdgeRoutingAlgorithm = ((EdgeRoutingAlgorithmTypeEnum)(ercombo.SelectedItem as ComboBoxItem).Tag);
logic.EnableParallelEdges = paredge.Checked;
logic.ParallelEdgeDistance = edgedist.Value;
logic.AsyncAlgorithmCompute = false;
_zoomctrl.Content = _gArea;
_gArea.RelayoutFinished += gArea_RelayoutFinished;
var myResourceDictionary = new ResourceDictionary {
Source = new Uri("WpfTemplate\\template.xaml", UriKind.Relative)
};
_zoomctrl.Resources.MergedDictionaries.Add(myResourceDictionary);
return(_zoomctrl);
}
