/**
* Method render.
*
* @param dotGraph IDotGraph
* @return Draw2dGraph
*/
public final Draw2dGraph render(final IDotGraph dotGraph) {
if (LOG.isDebugEnabled()) {
LOG.debug("Rendering Draw2d Graph");
}
final Draw2dGraph contents = new Draw2dGraph();
// Add a margin on the right & bottom edge.
// The 24 is a magic number which seems to be the same margin JzGraph is
// applying on the top & left edges.
// FIXME find out the real dot margin.
contents.setBorder(new MarginBorder(0, 0, 24, 24));
return createGraph(dotGraph, contents);
}
/**
* Builds a Figure for the given node and adds it to contents.
*
* @param contents the parent Figure to add the node to
* @param node the node to add
*/
private void buildNodeFigure(final Draw2dGraph contents, final IVertex node) {
if (LOG.isDebugEnabled()) {
LOG.debug("Building node " + node.getName());
}
final Draw2dNode polygon = contents.createNode(node);
polygon.setToolTip(new NodeTooltip(node));
if (node.hasAttr("inbus")) {
final PolylineConnection conn =
createBusConnexion(contents, node, ColorConstants.red, "inbus", "bus to");
conn.setLineWidth(2);
}
if (node.hasAttr("outbus")) {
final PolylineConnection conn =
createBusConnexion(contents, node, ColorConstants.blue, "outbus", "bus from");
conn.setLineWidth(2);
}
if (node.hasAttr("tobus")) {
@SuppressWarnings("unused")
final PolylineConnection conn =
createBusConnexion(contents, node, ColorConstants.blue, "tobus", "bus from");
}
if (node.hasAttr("frombus")) {
final PolylineConnection conn =
createBusConnexion(contents, node, ColorConstants.red, "frombus", "bus to");
final PolygonDecoration dec = new PolygonDecoration();
conn.setTargetDecoration(dec);
}
}
/**
* @param contents Draw2dGraph
* @param node IVertex
* @param color Color
* @param busLabel String
* @param busId String String
* @return PolylineConnection
*/
private PolylineConnection createBusConnexion(
final Draw2dGraph contents,
final IVertex node,
final Color color,
final String busId,
final String busLabel) {
final PolylineConnection conn =
addConnectionFromRoute(contents, null, (DotRoute) node.getAttr(busId));
conn.setForegroundColor(color);
contents.add(conn, conn.getBounds());
final Label label =
new Label(
busLabel + " " + node.getName(),
Application.getInstance().getImage(Application.LINK_ICON));
label.setFont(Application.getInstance().getBoldFont(Application.TOOLTIP_FONT));
conn.setToolTip(label);
return conn;
}
/**
* Fill an existing graph with a IDotGraph.
*
* @param contents Draw2dGraph
* @param dotGraph IDotGraph
* @return Draw2dGraph
*/
public final Draw2dGraph render(final Draw2dGraph contents, final IDotGraph dotGraph) {
contents.removeAll();
return createGraph(dotGraph, contents);
}
