SWTSimpleTree.java Source code

Introduction

Here is the source code for SWTSimpleTree.java

Source

/******************************************************************************
 * All Right Reserved. 
 * Copyright (c) 1998, 2004 Jackwind Li Guojie
 * 
 * Created on Mar 10, 2004 8:08:56 PM by JACK
 * $Id$
 * 
 *****************************************************************************/

import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
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;

public class SWTSimpleTree {
    Display display = new Display();
    Shell shell = new Shell(display);

    Tree tree;

    public SWTSimpleTree() {
        shell.setLayout(new GridLayout());

        tree = new Tree(shell, SWT.BORDER);

        tree.setLayoutData(new GridData(GridData.FILL_BOTH));

        TreeItem item = new TreeItem(tree, SWT.NULL);
        item.setText("ITEM");

        TreeItem item2 = new TreeItem(item, SWT.NULL);
        item2.setText("ITEM2");

        TreeItem item3 = new TreeItem(item2, SWT.NULL);
        item3.setText("ITEM3");

        System.out.println("item: " + item.getParent() + ", " + item.getParentItem());
        System.out.println("item2: " + item2.getParent() + ", " + item2.getParentItem());

        System.out.println(tree.getItemCount());
        System.out.println(tree.getItems().length);

        shell.setSize(300, 200);
        shell.open();
        //textUser.forceFocus();

        // Set up the event loop.
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch()) {
                // If no more entries in event queue
                display.sleep();
            }
        }

        display.dispose();
    }

    private void init() {

    }

    public static void main(String[] args) {
        new SWTSimpleTree();
    }
}