org.eclipse.swt.snippets.Snippet103.java Source code

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Here is the source code for org.eclipse.swt.snippets.Snippet103.java

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/*******************************************************************************
 * Copyright (c) 2000, 2016 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;

/*
 * Table example snippet: update table item text
 *
 * For a list of all SWT example snippets see
 * http://www.eclipse.org/swt/snippets/
 */
import org.eclipse.swt.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.widgets.*;

public class Snippet103 {

    static char content = 'a';

    public static void main(String[] args) {
        final Display display = new Display();
        Shell shell = new Shell(display);
        shell.setText("Snippet 103");
        shell.setBounds(10, 10, 200, 240);
        Table table = new Table(shell, SWT.NONE);
        Rectangle clientArea = shell.getClientArea();
        table.setBounds(clientArea.x + 10, clientArea.y + 10, 160, 160);

        final TableItem[] items = new TableItem[4];
        for (int i = 0; i < 4; i++) {
            new TableColumn(table, SWT.NONE).setWidth(40);
        }
        for (int i = 0; i < 4; i++) {
            items[i] = new TableItem(table, SWT.NONE);
            populateItem(items[i]);
        }

        Button button = new Button(shell, SWT.PUSH);
        button.setText("Change");
        button.pack();
        button.setLocation(10, 180);
        button.addListener(SWT.Selection, event -> {
            for (int i = 0; i < 4; i++) {
                populateItem(items[i]);
            }
        });

        shell.open();
        while (!shell.isDisposed()) {
            if (!display.readAndDispatch())
                display.sleep();
        }
        display.dispose();
    }

    static void populateItem(TableItem item) {
        String stringContent = String.valueOf(content);
        item.setText(new String[] { stringContent, stringContent, stringContent, stringContent });
        content++;
        if (content > 'z')
            content = 'a';
    }

}