public void LoadDiagram(string filename)
{
DiagramModel model = xmlSettings.ModelFromSettings(filename);
diagramViewModel.ClearDiagram();
using (var bm = new DiagramBatchMode(diagramViewModel))
{
Dictionary <DiagramNodeBase, NodeBaseViewModel> nodeDictionary = new Dictionary <DiagramNodeBase, NodeBaseViewModel>();
foreach (var node in model.Nodes)
{
NodeBaseViewModel nodeViewModel = diagramViewModel.Definition.ModelToViewModel(node);
if (nodeViewModel == null)
{
continue;
}
diagramViewModel.AddNode(nodeViewModel, node.Location);
nodeDictionary.Add(node, nodeViewModel);
}
// Force rendering so we can have sizes of all nodes
// diagramViewModel.ForceRedraw();
foreach (var edge in model.Edges)
{
diagramViewModel.AddConnection(nodeDictionary[edge.From], nodeDictionary[edge.To]);
}
// Render again so we can have sizes of attach descriptors
diagramViewModel.ForceRedraw();
Console.WriteLine("Model loaded");
// dont need to call RaiseInitialize, it was allready called in AddNode
//foreach (var node in diagramViewModel.Nodes)
// node.RaiseInitialize();
foreach (var node in diagramViewModel.AttachDescriptors)
{
node.RaiseInitialize();
}
diagramViewModel.ForceRedraw();
}
foreach (var conn in diagramViewModel.Edges)
{
conn.UpdateConnection();
}
}
public void QueryPossibleConnections(SelectionMenu menu, DiagramViewModel diagramViewModel,
ConnectorViewModel startConnector,
Vector2 mousePosition)
{
var currentGraph = InvertApplication.Container.Resolve <WorkspaceService>().CurrentWorkspace.CurrentGraph;
var allowedFilterNodes = FilterExtensions.AllowedFilterNodes[currentGraph.CurrentFilter.GetType()];
foreach (var item in allowedFilterNodes)
{
if (item.IsInterface)
{
continue;
}
if (item.IsAbstract)
{
continue;
}
//if(item.FullName == "uFrame.MVVM.ViewNode") continue;
var node = Activator.CreateInstance(item) as IDiagramNode;
node.Repository = diagramViewModel.CurrentRepository;
node.GraphId = currentGraph.Identifier;
var vm = InvertGraphEditor.Container.GetNodeViewModel(node, diagramViewModel) as DiagramNodeViewModel;
if (vm == null)
{
continue;
}
vm.IsCollapsed = false;
var connectors = new List <ConnectorViewModel>();
vm.GetConnectors(connectors);
var config = InvertGraphEditor.Container.Resolve <NodeConfigBase>(item.Name);
var name = config == null ? item.Name : config.Name;
foreach (var connector in connectors)
{
foreach (var strategy in InvertGraphEditor.ConnectionStrategies)
{
var connection = strategy.Connect(diagramViewModel, startConnector, connector);
if (connection == null)
{
continue;
}
var node1 = node;
var message = string.Format("Create {0}", name);
//if (!string.IsNullOrEmpty(connector.Name))
//{
// message += string.Format(" and connect to {0}", connector.Name);
//}
var value = new KeyValuePair <IDiagramNode, ConnectionViewModel>(node1, connection);
var qaItem = new SelectionMenuItem("Connect", message, () =>
{
diagramViewModel.AddNode(value.Key, mousePosition);
connection.Apply(value.Value as ConnectionViewModel);
value.Key.IsSelected = true;
value.Key.IsEditing = true;
value.Key.Name = "";
});
menu.AddItem(qaItem);
}
}
}
}