ScrollPaneDemo.java

/*
 * Copyright (c) 2007, 2016, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 */
package com.sun.swingset3.demos.scrollpane;

import java.awt.*;
import javax.swing.*;

import com.sun.swingset3.DemoProperties;
import com.sun.swingset3.demos.ResourceManager;

/**
 * Scroll Pane Demo
 *
 * @version 1.9 11/17/05
 * @author Jeff Dinkins
 */
@DemoProperties(
        value = "JScrollPane Demo",
        category = "Containers",
        description = "Demonstrates JScrollPane, a container for scrolling contents within a view port",
        sourceFiles = {
            "com/sun/swingset3/demos/scrollpane/ScrollPaneDemo.java",
            "com/sun/swingset3/demos/ResourceManager.java",
            "com/sun/swingset3/demos/scrollpane/resources/ScrollPaneDemo.properties",
            "com/sun/swingset3/demos/scrollpane/resources/images/colheader.jpg",
            "com/sun/swingset3/demos/scrollpane/resources/images/COPYRIGHT",
            "com/sun/swingset3/demos/scrollpane/resources/images/crayons.jpg",
            "com/sun/swingset3/demos/scrollpane/resources/images/lowerleft.jpg",
            "com/sun/swingset3/demos/scrollpane/resources/images/rowheader.jpg",
            "com/sun/swingset3/demos/scrollpane/resources/images/ScrollPaneDemo.gif",
            "com/sun/swingset3/demos/scrollpane/resources/images/upperleft.jpg",
            "com/sun/swingset3/demos/scrollpane/resources/images/upperright.jpg"}
)
public class ScrollPaneDemo extends JPanel {

    private final ResourceManager resourceManager = new ResourceManager(this.getClass());
    public static final String DEMO_TITLE = ScrollPaneDemo.class.getAnnotation(DemoProperties.class).value();

    /**
     * main method allows us to run as a standalone demo.
     *
     * @param args
     */
    public static void main(String[] args) {
        JFrame frame = new JFrame(DEMO_TITLE);

        frame.getContentPane().add(new ScrollPaneDemo());
        frame.setPreferredSize(new Dimension(800, 600));
        frame.pack();
        frame.setLocationRelativeTo(null);
        frame.setVisible(true);
    }

    /**
     * ScrollPaneDemo Constructor
     */
    public ScrollPaneDemo() {
        setLayout(new BorderLayout());

        ImageIcon crayons = resourceManager.createImageIcon("crayons.jpg",
                resourceManager.getString("ScrollPaneDemo.crayons"));
        add(new ImageScroller(crayons), BorderLayout.CENTER);
    }

    /**
     * ScrollPane class that demonstrates how to set the various column and row
     * headers and corners.
     */
    private class ImageScroller extends JScrollPane {

        public ImageScroller(Icon icon) {
            super();

            // Panel to hold the icon image
            JPanel p = new JPanel(new BorderLayout());
            p.add(new JLabel(icon), BorderLayout.CENTER);
            getViewport().add(p);

            // Create and add a column header to the scrollpane
            JLabel colHeader = new JLabel(
                    resourceManager.createImageIcon("colheader.jpg", resourceManager.getString("ScrollPaneDemo.colheader")));
            setColumnHeaderView(colHeader);

            // Create and add a row header to the scrollpane
            JLabel rowHeaderLabel = new JLabel(
                    resourceManager.createImageIcon("rowheader.jpg", resourceManager.getString("ScrollPaneDemo.rowheader")));
            setRowHeaderView(rowHeaderLabel);

            // Create and add the upper left corner
            JLabel cornerUL = new JLabel(
                    resourceManager.createImageIcon("upperleft.jpg", resourceManager.getString("ScrollPaneDemo.upperleft")));
            setCorner(UPPER_LEFT_CORNER, cornerUL);

            // Create and add the upper right corner
            JLabel cornerUR = new JLabel(
                    resourceManager.createImageIcon("upperright.jpg", resourceManager.getString("ScrollPaneDemo.upperright")));
            setCorner(UPPER_RIGHT_CORNER, cornerUR);

            // Create and add the lower left corner
            JLabel cornerLL = new JLabel(
                    resourceManager.createImageIcon("lowerleft.jpg", resourceManager.getString("ScrollPaneDemo.lowerleft")));
            setCorner(LOWER_LEFT_CORNER, cornerLL);

            JScrollBar vsb = getVerticalScrollBar();
            JScrollBar hsb = getHorizontalScrollBar();

            vsb.setValue(icon.getIconHeight());
            hsb.setValue(icon.getIconWidth() / 10);
        }
    }

}