static ScalingLabelModel()
{
stretchModel = new InteriorStretchLabelModel();
stretchParameter = stretchModel.CreateParameter(InteriorStretchLabelModel.Position.Center);
dummyNode = new SimpleNode();
dummyLabel = new SimpleLabel(dummyNode, "", stretchParameter);
}
/// <inheritdoc />
protected override void InitializeFolderNodeLabels(FolderNodeState state, IFoldingView foldingView, INode viewNode, INode masterNode)
{
state.ClearLabels();
if (CopyLabels)
{
var labels = masterNode.Labels;
if (labels.Count > 0)
{
for (var i = 0; i < labels.Count; i++)
{
var label = labels[i];
// If the node is a choreographyNode, just copy all Labels
if (masterNode.Style is ChoreographyNodeStyle)
{
state.AddLabel(label.Text, label.LayoutParameter, label.Style, label.PreferredSize, label.Tag);
}
else
{
// if subProcessNode, create new Layout & Style
var labelStyle = CreateLabelStyle(foldingView, null, label);
var labelModel = new InteriorStretchLabelModel {
Insets = new InsetsD(3, 3, 3, 3)
};
var labelLayoutParameter = labelModel.CreateParameter(InteriorStretchLabelModel.Position.Center);
state.AddLabel(label.Text, labelLayoutParameter ?? label.LayoutParameter, labelStyle ?? label.Style, label.PreferredSize, label.Tag);
}
}
}
}
}
private void InitializeGraph()
{
var graph = graphControl.Graph;
graph.NodeDefaults.Style = new ShapeNodeStyle
{
Brush = (Brush) new SolidColorBrush(Color.FromRgb(102, 153, 204)).GetAsFrozen(),
Pen = null
};
graph.EdgeDefaults.Style = new BezierEdgeStyle(new DemoEdgeStyleRenderer(graphControl.Selection, false));
// use a label model that stretches the label over the full node layout, with small insets
var centerLabelModel = new InteriorStretchLabelModel {
Insets = new InsetsD(3)
};
graph.NodeDefaults.Labels.LayoutParameter = centerLabelModel.CreateParameter(InteriorStretchLabelModel.Position.Center);
// set the default style for the node labels
graph.NodeDefaults.Labels.Style = new DefaultLabelStyle
{
TextBrush = Brushes.White,
TextWrapping = TextWrapping.Wrap,
VerticalTextAlignment = VerticalAlignment.Center,
TextAlignment = TextAlignment.Center
};
// set the default node size
graph.NodeDefaults.Size = new SizeD(80, 30);
// add a node tag listener to change the node brush when the tag changes
graph.NodeTagChanged += (sender, e) => {
var item = e.Item;
var tag = (CustomTag)item.Tag;
if (item.Tag != null && e.OldValue != null && tag.brush != ((CustomTag)e.OldValue).brush)
{
((ShapeNodeStyle)item.Style).Brush = ((CustomTag)item.Tag).brush; //GetNodeColor(item);
graphControl.Invalidate();
}
};
// enable the undo engine
graph.SetUndoEngineEnabled(true);
// disable all edge handles
var edgeDecorator = graph.GetDecorator().EdgeDecorator;
edgeDecorator.HandleProviderDecorator.HideImplementation();
edgeDecorator.SelectionDecorator.HideImplementation();
edgeDecorator.BendCreatorDecorator.HideImplementation();
edgeDecorator.PositionHandlerDecorator.HideImplementation();
graph.GetDecorator().BendDecorator.HandleProviderDecorator.HideImplementation();
// allow nodes to be only moved vertically
graph.GetDecorator().NodeDecorator.PositionHandlerDecorator.SetImplementationWrapper((node, handler) => new HorizontallyConstrainedPositionHandler(handler));
graphControl.HighlightIndicatorManager = new HighlightManager(graphControl);
}
/// <summary>
/// Initializes the graph instance setting default styles
/// and creating a small sample graph.
/// </summary>
protected virtual void InitializeGraph()
{
// Enable folding
IFoldingView view = new FoldingManager().CreateFoldingView();
graphControl.Graph = view.Graph;
// Get the master graph instance and enable undoability support.
view.Manager.MasterGraph.SetUndoEngineEnabled(true);
#region Configure grouping
// get a hold of the group node defaults
var groupNodeDefaults = view.Graph.GroupNodeDefaults;
// configure the group node style.
//PanelNodeStyle is a nice style especially suited for group nodes
Color groupNodeColor = Color.FromArgb(255, 214, 229, 248);
groupNodeDefaults.Style = new CollapsibleNodeStyleDecorator(new PanelNodeStyle
{
Color = groupNodeColor,
Insets = new InsetsD(5, 20, 5, 5),
LabelInsetsColor = groupNodeColor,
});
// Set a different label style and parameter
groupNodeDefaults.Labels.Style = new DefaultLabelStyle
{
TextAlignment = TextAlignment.Left
};
var labelModel = new InteriorStretchLabelModel()
{
Insets = new InsetsD(15, 1, 1, 1)
};
var param = labelModel.CreateParameter(InteriorStretchLabelModel.Position.North);
groupNodeDefaults.Labels.LayoutParameter = param;
#endregion
#region Configure Graph defaults
// Set the default node style
Graph.NodeDefaults.Style = new ShinyPlateNodeStyle {
Brush = Brushes.Orange
};
// Set the default node label position to centered below the node with the FreeNodeLabelModel that supports label snapping
Graph.NodeDefaults.Labels.LayoutParameter = FreeNodeLabelModel.Instance.CreateParameter(
new PointD(0.5, 1.0), new PointD(0, 10), new PointD(0.5, 0.0), new PointD(0, 0), 0);
// Set the default edge label position with the SmartEdgeLabelModel that supports label snapping
Graph.EdgeDefaults.Labels.LayoutParameter = new SmartEdgeLabelModel().CreateParameterFromSource(0, 0, 0.5);
#endregion
}
/// <summary>
/// Initializes the graph instance setting default styles
/// and creating a small sample graph.
/// </summary>
private void InitializeGraph()
{
graphControl.ImportFromGraphML("Resources/sample.graphml");
graphControl.Graph.SetUndoEngineEnabled(true);
#region Configure grouping
// configure the group node style.
//PanelNodeStyle is a nice style especially suited for group nodes
Color groupNodeColor = Color.FromArgb(255, 214, 229, 248);
Graph.GroupNodeDefaults.Style = new CollapsibleNodeStyleDecorator(new PanelNodeStyle {
Color = groupNodeColor,
Insets = new InsetsD(5, 20, 5, 5),
LabelInsetsColor = Color.Bisque
});
// Set a different label style and parameter
Graph.GroupNodeDefaults.Labels.Style = new DefaultLabelStyle {
StringFormat = { Alignment = StringAlignment.Far }
};
var labelModel = new InteriorStretchLabelModel()
{
Insets = new InsetsD(15, 1, 1, 1)
};
var param = labelModel.CreateParameter(InteriorStretchLabelModel.Position.North);
Graph.GroupNodeDefaults.Labels.LayoutParameter = param;
#endregion
#region Configure Graph defaults
// Set the default node style
Graph.NodeDefaults.Style = new ShinyPlateNodeStyle {
Brush = Brushes.Orange,
DrawShadow = true
};
// Set the default node label position to centered below the node with the FreeNodeLabelModel that supports label snapping
Graph.NodeDefaults.Labels.LayoutParameter = FreeNodeLabelModel.Instance.CreateParameter(
new PointD(0.5, 1.0), new PointD(0, 10), new PointD(0.5, 0.0), new PointD(0, 0), 0);
// Set the default edge label position with the SmartEdgeLabelModel that supports label snapping
Graph.EdgeDefaults.Labels.LayoutParameter = new SmartEdgeLabelModel().CreateParameterFromSource(0, 0, 0.5);
#endregion
}
/// <summary>
/// Creates a group node for the sample graph with a specific styling.
/// </summary>
private static INode CreateGroupNode(IGraph graph, double x, double y, Color fillColor, string labelText)
{
var groupNode = graph.CreateGroupNode();
graph.SetStyle(groupNode, new PanelNodeStyle {
Color = fillColor, LabelInsetsColor = fillColor, Insets = new InsetsD(5, 20, 5, 5)
});
graph.SetNodeLayout(groupNode, new RectD(x, y, 130, 100));
// The label style and placement
var labelStyle = new DefaultLabelStyle();
labelStyle.TextBrush = Brushes.White;
var labelModel = new InteriorStretchLabelModel();
labelModel.Insets = new InsetsD(5, 2, 5, 4);
var modelParameter = labelModel.CreateParameter(InteriorStretchLabelModel.Position.North);
graph.AddLabel(groupNode, labelText, modelParameter, labelStyle);
groupNode.Tag = fillColor;
return(groupNode);
}
