import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.swt.widgets.TreeItem;
/**
* Displays a single-selection tree, a multiselection tree, and a checkbox tree
*/
public class TreeMultiSelection {
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
shell.setText("TreeExample");
Tree tree = new Tree(shell, SWT.MULTI | SWT.BORDER);
// Turn off drawing to avoid flicker
tree.setRedraw(false);
for (int i = 0; i < 5; i++) {
TreeItem item = new TreeItem(tree, SWT.NONE);
item.setText("Root Item " + i);
for (int j = 0; j < 3; j++) {
TreeItem child = new TreeItem(item, SWT.NONE);
child.setText("Child Item " + i + " - " + j);
for (int k = 0; k < 3; k++) {
TreeItem grandChild = new TreeItem(child, SWT.NONE);
grandChild.setText("Grandchild Item " + i + " - " + j + " - " + k);
}
}
}
tree.setRedraw(true);
tree.setBounds(10,10,400,400);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
display.dispose();
}
}