public void initializeGraphControl(Netron.GraphLib.UI.GraphControl graphControl1,
Label globalLabelsText)
{
Random rnd = new Random();
#region display the nodes
for (int i = nodes.Count - 1; i >= 0; i--)
{
node n = nodes[i];
if (n.screenX == 0.0 && n.screenY == 0.0)
{
n.screenX = rnd.Next(50, graphControl1.Width - 100);
n.screenY = rnd.Next(20, graphControl1.Height - 20);
}
List<string> shapeData = StringCollectionConverter.convert(n.shapekey);
if (shapeData.Count == 0) shapeData.Add("");
n.displayShape = graphControl1.AddShape(shapeData[0], new PointF(n.screenX, n.screenY));
if (shapeData.Count > 1)
{
n.displayShape.ShapeColor = Color.FromArgb(int.Parse(shapeData[1]));
n.displayShape.Width = float.Parse(shapeData[2]);
n.displayShape.Height = float.Parse(shapeData[3]);
}
}
#endregion
#region display the arcs
foreach (arc a in arcs)
{
node fromNode = a.From;
node toNode = a.To;
Connector fromConnect = null;
Connector toConnect = null;
if ((fromNode == null) || (fromNode.displayShape == null))
{
a.fromConnector = 0;
fromConnect = addNullShape(graphControl1, 0).Connectors[0];
}
else if ((a.fromConnector == -1) ||
(a.fromConnector >= fromNode.displayShape.Connectors.Count))
{
a.fromConnector = rnd.Next(fromNode.displayShape.Connectors.Count);
fromConnect = fromNode.displayShape.Connectors[a.fromConnector];
}
else { fromConnect = fromNode.displayShape.Connectors[a.fromConnector]; }
/* now repeat same process for To */
if ((toNode == null) || (toNode.displayShape == null))
{
a.toConnector = 0;
toConnect = addNullShape(graphControl1, 1).Connectors[0];
}
else if ((a.toConnector == -1) ||
(a.toConnector >= toNode.displayShape.Connectors.Count))
{
a.toConnector = rnd.Next(toNode.displayShape.Connectors.Count);
toConnect = toNode.displayShape.Connectors[a.toConnector];
}
else { toConnect = toNode.displayShape.Connectors[a.toConnector]; }
a.displayShape = graphControl1.AddConnection(fromConnect, toConnect);
a.displayShape.ShowLabel = true;
List<string> styleData = StringCollectionConverter.convert(a.styleKey);
if (styleData.Count > 0) a.displayShape.LinePath = styleData[0];
if (styleData.Count > 1)
{
a.displayShape.LineColor = Color.FromArgb(int.Parse(styleData[1]));
a.displayShape.LineWeight = (ConnectionWeight)int.Parse(styleData[2]);
a.displayShape.LineStyle = (System.Drawing.Drawing2D.DashStyle)int.Parse(styleData[3]);
}
}
#endregion
this.updateGraphControl(graphControl1, globalLabelsText);
}
private Shape addNullShape(Netron.GraphLib.UI.GraphControl graphControl1, int onRight)
{
Shape nullNode = graphControl1.AddShape("smallCircleNode", "null",
new PointF(graphControl1.Width * onRight, graphControl1.Height / 2));
nullNode.ShapeColor = Color.White;
nullNode.ZOrder = 10;
return nullNode;
}
public void updateGraphControl(Netron.GraphLib.UI.GraphControl graphControl1,
Label globalLabelsText)
{
try
{
string defaultShapeKey = "8ED1469D-90B2-43ab-B000-4FF5C682F530";
Boolean isFixed = true;
Random rnd = new Random();
#region Global Labels
if (this.globalLabels.Count > 0)
{
globalLabelsText.Text = StringCollectionConverter.convert(this.globalLabels);
}
else
{
globalLabelsText.Text = " ";
}
#endregion
#region display the nodes
for (int i = nodes.Count - 1; i >= 0; i--)
{
node n = nodes[i];
#region if it has no displayShape
if (n.displayShape == null)
{
if (n.shapekey == null) n.shapekey = defaultShapeKey;
if (n.screenX == 0.0 && n.screenY == 0.0)
{
n.screenX = rnd.Next(50, graphControl1.Width - 100);
n.screenY = rnd.Next(20, graphControl1.Height - 20);
isFixed = false;
}
else isFixed = true;
n.displayShape = graphControl1.AddShape(n.shapekey, new PointF(n.screenX, n.screenY));
/* if the prev. statement didn't take, it's likely the shapekey wasn't recognized.
* there we try again with the default ShapeKey. */
if (n.displayShape == null)
n.displayShape = graphControl1.AddShape(defaultShapeKey, new PointF(n.screenX, n.screenY));
}
#endregion
else if (!graphControl1.Shapes.Contains(n.displayShape))
{
/* a shape is defined for the node but is not displayed */
n.displayShape = graphControl1.AddShape(n.displayShape);
}
n.displayShape.Text = textForNode(n);
n.displayShape.IsFixed = isFixed;
/* make sure node is of right type - if not call the replacement function */
if ((n.nodeType != null) && (n.GetType() != typeof(GraphSynth.Representation.ruleNode))
&& (n.GetType() != n.nodeType))
replaceNodeWithInheritedType(n);
}
#endregion
#region display the arcs
for (int i = arcs.Count - 1; i >= 0; i--)
{
arc a = arcs[i];
node fromNode = a.From;
node toNode = a.To;
Connector fromConnect = null;
Connector toConnect = null;
if ((fromNode == null) || (fromNode.displayShape == null))
{
a.fromConnector = 0;
if (a.displayShape == null || a.displayShape.From.BelongsTo == null)
fromConnect = addNullShape(graphControl1, 0).Connectors[0];
else fromConnect = a.displayShape.From;
}
else if ((a.fromConnector == -1) ||
(a.fromConnector >= fromNode.displayShape.Connectors.Count))
{
a.fromConnector = rnd.Next(fromNode.displayShape.Connectors.Count);
fromConnect = fromNode.displayShape.Connectors[a.fromConnector];
}
else { fromConnect = fromNode.displayShape.Connectors[a.fromConnector]; }
/* now repeat same process for To */
if ((toNode == null) || (toNode.displayShape == null))
{
a.toConnector = 0;
if (a.displayShape == null || a.displayShape.To.BelongsTo == null)
toConnect = addNullShape(graphControl1, 1).Connectors[0];
else toConnect = a.displayShape.To;
}
else if ((a.toConnector == -1) ||
(a.toConnector >= toNode.displayShape.Connectors.Count))
{
a.toConnector = rnd.Next(toNode.displayShape.Connectors.Count);
toConnect = toNode.displayShape.Connectors[a.toConnector];
}
else { toConnect = toNode.displayShape.Connectors[a.toConnector]; }
if (((a.displayShape != null) && (!graphControl1.Connections.Contains(a.displayShape)) &&
((a.displayShape.From == null) || (a.displayShape.To == null))) ||
((a.displayShape == null) && (fromConnect == null) && (toConnect == null)))
removeArc(a);
else
{
if (a.displayShape == null)
a.displayShape = graphControl1.AddConnection(fromConnect, toConnect);
else if (!graphControl1.Connections.Contains(a.displayShape))
a.displayShape = graphControl1.AddConnection(a.displayShape.From, a.displayShape.To);
/* a shape is defined for the node but is not displayed
* Rectangular, Default, Bezier */
if (a.curveStyle != null)
a.displayShape.LinePath = a.curveStyle;
if (a.doublyDirected)
a.displayShape.LineEnd = ConnectionEnd.BothFilledArrow;
else if (a.directed)
a.displayShape.LineEnd = ConnectionEnd.RightFilledArrow;
else a.displayShape.LineEnd = ConnectionEnd.NoEnds;
a.displayShape.Text = textForArc(a);
a.displayShape.ShowLabel = true;
}
/* make sure node is of right type - if not call the replacement function */
if ((a.arcType != null) && (a.GetType() != typeof(GraphSynth.Representation.ruleArc))
&& (a.GetType() != a.arcType))
replaceArcWithInheritedType(a, fromNode, toNode);
}
#endregion
}
catch (Exception e)
{
MessageBox.Show("There was an error displaying the graph. Please save work and re-open. (Error: " + e.ToString() + ")", "Error Displaying Graph", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}