Zest: The Eclipse Visualization Toolkit

Zest: The Eclipse Visualization Toolkit
Zest Snippet Page

//-- Main.java --
import java.util.ArrayList;
import java.util.List;

import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.zest.core.widgets.Graph;
import org.eclipse.zest.core.widgets.GraphConnection;
import org.eclipse.zest.core.widgets.GraphNode;
import org.eclipse.zest.core.widgets.ZestStyles;
import org.eclipse.zest.layouts.LayoutStyles;
import org.eclipse.zest.layouts.algorithms.SpringLayoutAlgorithm;

public class Main {

  private Shell sShell = null;
  private static Image image  = Display.getDefault().getSystemImage(SWT.ICON_INFORMATION);

  public static void main(String[] args) {
    Display display = Display.getDefault();
    Main thisClass = new Main();
    thisClass.createSShell();
    thisClass.sShell.open();
    while (!thisClass.sShell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
    image.dispose();
  }

  private void createSShell() {
    sShell = new Shell();
    sShell.setText("Shell");
    sShell.setSize(new Point(492, 345));
    sShell.setLayout(new FillLayout());

    Graph g = new Graph(sShell, SWT.NONE);

    List<GraphNode> items = new ArrayList<GraphNode>();
    for (int i = 1; i <= 5; i++) {
      items.add(new GraphNode(g, SWT.NONE, "item" + i, image));
    }

    List<GraphConnection> connections = new ArrayList<GraphConnection>();

    List<GraphNode> items2 = new ArrayList<GraphNode>(items);

    for (GraphNode node1 : items) {
      items2.remove(node1);
      for (GraphNode node2 : items2) {
        connections.add(new GraphConnection(g, ZestStyles.CONNECTIONS_DIRECTED, node1, node2));
      }
    }
    g.setLayoutAlgorithm(new SpringLayoutAlgorithm(LayoutStyles.NO_LAYOUT_NODE_RESIZING), true);
  }

}