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//////////////// New in this sample ////////////////
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/// <summary>
/// Adds and configures the <see cref="BridgeManager"/>.
/// </summary>
private void ConfigureBridges()
{
// create a new BridgeManager
// The graph item styles are responsible for both
// providing obstacles and drawing bridges,
// the bridge manager collects the obstacles and
// updates given edge paths to add bridges.
// see MySimpleEdgeStyle
var bridgeManager = new BridgeManager();
//Convenience class that just queries all model item
GraphObstacleProvider provider = new GraphObstacleProvider();
//Register an IObstacleProvider, bridgeManager will query all registered obstacle providers
//to determine if a bridge must be created
bridgeManager.AddObstacleProvider(provider);
//Bind the bridge manager to the GraphControl...
bridgeManager.CanvasControl = graphControl;
}
/// <summary>
/// Adds and configures the <see cref="BridgeManager"/>.
/// </summary>
private void ConfigureBridges()
{
bridgeManager = new BridgeManager();
// we would like to change the custom bridge rendering default,
// this can be done by decorating the existing default bridge creator
bridgeManager.DefaultBridgeCreator = new CustomBridgeCreator(bridgeManager.DefaultBridgeCreator);
//Convenience class that just queries all model item
GraphObstacleProvider provider = new GraphObstacleProvider();
//We also want to query nodes for potential obstacles (disabled by default)
provider.QueryNodes = true;
//Register an IObstacleProvider, bridgeManager will query all registered obstacle providers
//to determine if a bridge must be created
bridgeManager.AddObstacleProvider(provider);
//Bind the bridge manager to the GraphControl...
bridgeManager.CanvasControl = graphControl;
//We register a custom obstacle provider in the node's lookup of group nodes
// that can be used by bridgeManager (through provider...)
graphControl.Graph.GetDecorator().NodeDecorator.ObstacleProviderDecorator.SetFactory(
node => graphControl.Graph.IsGroupNode(node), node => new GroupNodeObstacleProvider(node));
// Initialize GUI components that configure bridge appearance
crossingStyleComboBox.ComboBox.DataSource = Enum.GetValues(typeof(BridgeCrossingStyle));
crossingStyleComboBox.SelectedItem = bridgeManager.DefaultBridgeCrossingStyle;
crossingStyleComboBox.SelectedIndexChanged += crossingStyleComboBox_SelectedIndexChanged;
crossingPolicyComboBox.ComboBox.DataSource = Enum.GetValues(typeof(BridgeCrossingPolicy));
crossingPolicyComboBox.SelectedItem = bridgeManager.BridgeCrossingPolicy;
crossingPolicyComboBox.SelectedIndexChanged += crossingPolicyComboBox_SelectedIndexChanged;
bridgeOrientationComboBox.ComboBox.DataSource = Enum.GetValues(typeof(BridgeOrientationStyle));
bridgeOrientationComboBox.SelectedItem = bridgeManager.DefaultBridgeOrientationStyle;
bridgeOrientationComboBox.SelectedIndexChanged += bridgeOrientationComboBox_SelectedIndexChanged;
heightTextBox.Text = bridgeManager.DefaultBridgeHeight.ToString();
widthTextBox.Text = bridgeManager.DefaultBridgeWidth.ToString();
}
