Changeset 13833 for branches/OptimizationNetworks/HeuristicLab.Networks.Views.NetworkVisualization.Views/3.3/NetworkVisualizationView.cs

Timestamp:

05/04/16 15:15:10 (8 years ago)

Author:

jkarder

Message:

#2205: worked on optimization networks

• added layout algorithm prototype
• fixed bug in LoadVisualProperties methods

File:

• branches/OptimizationNetworks/HeuristicLab.Networks.Views.NetworkVisualization.Views/3.3/NetworkVisualizationView.cs (modified) (3 diffs)

branches/OptimizationNetworks/HeuristicLab.Networks.Views.NetworkVisualization.Views/3.3/NetworkVisualizationView.cs

@@ -65 +65 @@
       base.OnContentChanged();
       UpdateContent();
+      if (Content != null)
+        LayoutNodes(Content.Nodes);
       chartControl.Tag = Content;
     }
@@ -132 +134 @@
       chartControl.SuspendRendering();
       try {
+        foreach (var r in primitiveDict.Values.OfType<NodeRectangle>())
+          r.NetworkItem = null;
+        primitiveDict.Clear();
         chartControl.Chart.Group.Clear();
         DrawNodes(Content.Nodes);
@@ -174 +179 @@
       }
     }
+
+    private void LayoutNodes(IKeyedItemCollection<string, INode> nodes) {
+      var layout = new Layout();
+      var layoutNodes = new Dictionary<string, Layout.LayoutNode>();
+
+      foreach (var node in nodes) {
+        var nodeRectangle = primitiveDict[node.Name] as NodeRectangle;
+        if (nodeRectangle == null) continue;
+
+        var nodeSize = chartControl.Chart.TransformWorldToPixel(nodeRectangle.Size);
+        Layout.LayoutNode layoutNode;
+        if (!layoutNodes.TryGetValue(node.Name, out layoutNode)) {
+          layoutNodes.Add(node.Name, layoutNode = new Layout.LayoutNode(nodeSize));
+          layout.AddNode(layoutNode);
+        }
+
+        foreach (var port in node.Ports.OfType<IConnectablePort>()) {
+          var connectedPort = port.ConnectedPort as IConnectablePort;
+          if (connectedPort == null) continue;
+
+          var connectedNode = connectedPort.Parent;
+          if (connectedNode == null) continue;
+
+          var connectedRectangle = primitiveDict[connectedNode.Name] as NodeRectangle;
+          if (connectedRectangle == null) continue;
+
+          nodeSize = chartControl.Chart.TransformWorldToPixel(connectedRectangle.Size);
+          if (!layoutNodes.ContainsKey(connectedNode.Name)) {
+            layoutNodes.Add(connectedNode.Name, new Layout.LayoutNode(nodeSize));
+            layout.AddNode(layoutNodes[connectedNode.Name]);
+          }
+
+          layoutNode.AddNode(layoutNodes[connectedNode.Name]);
+        }
+      }
+
+      var bounds = chartControl.GetPictureBounds();
+      bounds.Offset((int)chartControl.Chart.LowerLeft.X, -(int)chartControl.Chart.UpperRight.Y);
+
+      layout.Arrange(bounds);
+
+      foreach (var entry in layoutNodes) {
+        var nodeRectangle = primitiveDict[entry.Key] as NodeRectangle;
+        if (nodeRectangle == null) continue;
+        var rectangleNode = entry.Value;
+        nodeRectangle.Move(rectangleNode.Location - nodeRectangle.Center());
+      }
+    }
     #endregion
   }