/// <summary>
/// Initializes the style panel of this demo.
/// </summary>
private void InitializeStylesList()
{
//Handle list item drawing
styleListBox.DrawItem += styleListBox_DrawItem;
// register for the mouse down event to initiate the drag operation
styleListBox.MouseDown += styleListBox_MouseDown;
int nodeSize = 30;
// Create a new Graph in which the palette nodes live
DefaultGraph nodeContainer = new DefaultGraph();
// Create some nodes
nodeContainer.CreateNode(new RectD(20, 20, nodeSize, nodeSize), new ShapeNodeStyle {
Shape = ShapeNodeShape.Rectangle, Pen = Pens.Black, Brush = Brushes.DarkOrange
});
nodeContainer.CreateNode(new RectD(20, 20, nodeSize, nodeSize), new ShapeNodeStyle {
Shape = ShapeNodeShape.RoundRectangle, Pen = Pens.Black, Brush = Brushes.DarkOrange
});
nodeContainer.CreateNode(new RectD(20, 20, nodeSize, nodeSize), new BevelNodeStyle {
Color = Color.DarkOrange
});
nodeContainer.CreateNode(new RectD(20, 20, nodeSize, nodeSize), new ShinyPlateNodeStyle {
Brush = Brushes.DarkOrange
});
INode node = nodeContainer.CreateNode(new RectD(0, 0, 70, 70), new PanelNodeStyle {
Color = Color.LightBlue, Insets = new InsetsD(0, 15, 0, 0)
});
nodeContainer.AddLabel(node, "Group Node", InteriorStretchLabelModel.North);
var nodeLabelContainer = nodeContainer.CreateNode(new RectD(0, 0, 70, 70), VoidNodeStyle.Instance, "Node Label Container");
var nodeLabel = nodeContainer.AddLabel(nodeLabelContainer, "Node Label", InteriorLabelModel.Center);
var edgeLabelContainer = nodeContainer.CreateNode(new RectD(0, 0, 70, 70), VoidNodeStyle.Instance, "Edge Label Container");
var edgeLabelTemplate = nodeContainer.AddLabel(edgeLabelContainer, "Edge Label", FreeNodeLabelModel.Instance.CreateDefaultParameter());
var portContainer = nodeContainer.CreateNode(new RectD(0, 0, 70, 70), VoidNodeStyle.Instance, "Port Container");
nodeContainer.AddPort(portContainer, FreeNodePortLocationModel.NodeCenterAnchored, new NodeStylePortStyleAdapter(new ShapeNodeStyle {
Brush = Brushes.Red, Pen = Pens.Black, Shape = ShapeNodeShape.Ellipse
})
{
RenderSize = new SizeD(10, 10)
});
// Add nodes to listview
foreach (INode n in nodeContainer.Nodes)
{
styleListBox.Items.Add(n);
}
}
/// <summary>
/// Initializes the style panel of this demo.
/// </summary>
private void InitializeStylesList()
{
int nodeSize = 30;
// Create a new Graph in which the palette nodes live
IGraph nodeContainer = new DefaultGraph();
// Create some nodes
nodeContainer.CreateNode(new RectD(0, 0, nodeSize, nodeSize), new ShapeNodeStyle {
Shape = ShapeNodeShape.Rectangle, Pen = Pens.Black, Brush = Brushes.DarkOrange
});
nodeContainer.CreateNode(new RectD(0, 0, nodeSize, nodeSize), new ShapeNodeStyle {
Shape = ShapeNodeShape.RoundRectangle, Pen = Pens.Black, Brush = Brushes.DarkOrange
});
nodeContainer.CreateNode(new RectD(0, 0, nodeSize, nodeSize), new BevelNodeStyle {
Color = Colors.DarkOrange
});
nodeContainer.CreateNode(new RectD(0, 0, nodeSize, nodeSize), new ShinyPlateNodeStyle {
Brush = Brushes.DarkOrange
});
INode node = nodeContainer.CreateNode(new RectD(0, 0, 70, 70), new PanelNodeStyle {
Color = Colors.LightBlue, Insets = new InsetsD(0, 15, 0, 0)
});
nodeContainer.AddLabel(node, "Group Node", InteriorStretchLabelModel.North);
var nodeLabelContainer = nodeContainer.CreateNode(new RectD(0, 0, 70, 70), VoidNodeStyle.Instance, "Node Label Container");
var nodeLabel = nodeContainer.AddLabel(nodeLabelContainer, "Node Label", InteriorLabelModel.Center);
var edgeLabelContainer = nodeContainer.CreateNode(new RectD(0, 0, 70, 70), VoidNodeStyle.Instance, "Edge Label Container");
var edgeLabelTemplate = nodeContainer.AddLabel(edgeLabelContainer, "Edge Label", FreeNodeLabelModel.Instance.CreateDefaultParameter());
// Add nodes to listview
foreach (INode n in nodeContainer.Nodes)
{
styleListBox.Items.Add(n);
}
}
/// <summary>
/// Fill the node list that acts as a source for nodes.
/// </summary>
private void PopulateNodesList()
{
// Create a new Graph in which the palette nodes live
// Copy all relevant settings
IGraph nodeContainer = new DefaultGraph();
nodeContainer.NodeDefaults.Style = defaultStyle;
// Create some nodes
CreateNode(nodeContainer, PointD.Origin, FlowChartType.Start);
CreateNode(nodeContainer, PointD.Origin, FlowChartType.Operation);
CreateNode(nodeContainer, PointD.Origin, FlowChartType.Branch);
CreateNode(nodeContainer, PointD.Origin, FlowChartType.End);
// Add nodes to listview
foreach (INode n in nodeContainer.Nodes)
{
var type = ((FlowChartNodeStyle)n.Style).FlowChartType;
nodeContainer.AddLabel(n, type.ToString(), ExteriorLabelModel.South);
styleListBox.Items.Add(n);
}
}
/// <summary>
/// Initializes the graph from the supplied GraphML file and creates the model from it.
/// </summary>
/// <remarks>
/// While this reads the graph from a GraphML file and constructs the model from an already-finished graph, a
/// real-world application would likely create the model from whichever data source is available and then create
/// the graph from it.
/// </remarks>
private void InitGraphAndModel()
{
var graph = new DefaultGraph
{
NodeDefaults = { Style = new NodeControlNodeStyle("NodeStyle")
{
OutlineShape = new Ellipse()
} },
EdgeDefaults = { Style = new EdgeSegmentControlEdgeStyle("EdgeStyle") }
};
var ioh = new GraphMLIOHandler();
// Parse node kinds and other info
IMapper <INode, NodeKind> nodeKinds = new DictionaryMapper <INode, NodeKind>();
IMapper <INode, NodeInfo> nodeInfos = new DictionaryMapper <INode, NodeInfo>();
ioh.AddInputMapper("NetworkMonitoring.NodeKind", nodeKinds);
ioh.AddInputMapper("NetworkMonitoring.NodeInfo", nodeInfos);
ioh.Read(graph, @"Resources\network.graphml");
foreach (var node in graph.Nodes)
{
// Create and attach the model node to the graph node.
var modelNode = new ModelNode
{
Name = nodeInfos[node].Name,
Ip = nodeInfos[node].Ip,
Enabled = true,
Kind = nodeKinds[node]
};
node.Tag = modelNode;
// Add the label
var label = graph.AddLabel(node, "", FreeLabelModel.Instance.CreateDefaultParameter(), nodeLabelStyle, tag: modelNode);
// Attach event handler for changing label visibility, so that the graph redraws accordingly.
// Since visibility can change via clicking on the node *and* from within the label, we have to use an event
// handler on the model node here.
modelNode.PropertyChanged += delegate(object sender, PropertyChangedEventArgs args) {
if (args.PropertyName == "LabelVisible")
{
GraphControl.Invalidate();
}
};
}
foreach (var edge in graph.Edges)
{
// Create and attach the model edge to the graph edge
var modelEdge = new ModelEdge
{
Source = (ModelNode)edge.GetSourceNode().Tag,
Target = (ModelNode)edge.GetTargetNode().Tag
};
edge.Tag = modelEdge;
// Add the edge label
var label = graph.AddLabel(edge, "", NinePositionsEdgeLabelModel.CenterCentered, edgeLabelStyle, tag: modelEdge);
}
// Create the mappings from model items to graph elements.
modelNodeToINode = graph.Nodes.ToDictionary(node => (ModelNode)node.Tag);
modelEdgeToIEdge = graph.Edges.ToDictionary(edge => (ModelEdge)edge.Tag);
model = new NetworkModel(modelNodeToINode.Keys, modelEdgeToIEdge.Keys);
GraphControl.Graph = graph;
}