org.eclipse.swt.snippets.Snippet291.java Source code

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Here is the source code for org.eclipse.swt.snippets.Snippet291.java

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/*******************************************************************************
 * Copyright (c) 2000, 2013 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.swt.snippets;

/*
 * Give accessible names to a tree and its tree items
 *
 * For a list of all SWT example snippets see
 * http://www.eclipse.org/swt/snippets/
 */
import org.eclipse.swt.*;
import org.eclipse.swt.accessibility.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;

public class Snippet291 {
    public static void main(String[] args) {
        final Display display = new Display();
        Shell shell = new Shell(display);
        shell.setText("Snippet 291");
        shell.setLayout(new FillLayout());
        final Tree tree = new Tree(shell, SWT.BORDER);
        for (int i = 0; i < 5; i++) {
            TreeItem treeItem = new TreeItem(tree, SWT.NONE);
            treeItem.setText("item" + i);
            for (int j = 0; j < 3; j++) {
                TreeItem subItem = new TreeItem(treeItem, SWT.NONE);
                subItem.setText("item" + i + j);
            }
        }
        tree.getAccessible().addAccessibleListener(new AccessibleAdapter() {
            @Override
            public void getName(AccessibleEvent e) {
                if (e.childID == ACC.CHILDID_SELF) {
                    e.result = "This is the Accessible Name for the Tree";
                } else {
                    TreeItem item = (TreeItem) display.findWidget(tree, e.childID);
                    if (item != null) {
                        e.result = "This is the Accessible Name for the TreeItem: " + item.getText();
                    }
                }
            }
        });
        shell.pack();
        shell.open();
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch())
                display.sleep();
        }
        display.dispose();
    }
}