1 /*

     2  * Copyright (c) 2007, 2016, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 package com.sun.swingset3.demos.scrollpane;

    24 

    25 import java.awt.*;

    26 import javax.swing.*;

    27 

    28 import com.sun.swingset3.DemoProperties;

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

    30 

    31 /**

    32  * Scroll Pane Demo

    33  *

    34  * @version 1.9 11/17/05

    35  * @author Jeff Dinkins

    36  */

    37 @DemoProperties(

    38         value = "JScrollPane Demo",

    39         category = "Containers",

    40         description = "Demonstrates JScrollPane, a container for scrolling contents within a view port",

    41         sourceFiles = {

    42             "com/sun/swingset3/demos/scrollpane/ScrollPaneDemo.java",

    43             "com/sun/swingset3/demos/ResourceManager.java",

    44             "com/sun/swingset3/demos/scrollpane/resources/ScrollPaneDemo.properties",

    45             "com/sun/swingset3/demos/scrollpane/resources/images/colheader.jpg",

    46             "com/sun/swingset3/demos/scrollpane/resources/images/COPYRIGHT",

    47             "com/sun/swingset3/demos/scrollpane/resources/images/crayons.jpg",

    48             "com/sun/swingset3/demos/scrollpane/resources/images/lowerleft.jpg",

    49             "com/sun/swingset3/demos/scrollpane/resources/images/rowheader.jpg",

    50             "com/sun/swingset3/demos/scrollpane/resources/images/ScrollPaneDemo.gif",

    51             "com/sun/swingset3/demos/scrollpane/resources/images/upperleft.jpg",

    52             "com/sun/swingset3/demos/scrollpane/resources/images/upperright.jpg"}

    53 )

    54 public class ScrollPaneDemo extends JPanel {

    55 

    56     private final ResourceManager resourceManager = new ResourceManager(this.getClass());

    57     public static final String DEMO_TITLE = ScrollPaneDemo.class.getAnnotation(DemoProperties.class).value();

    58 

    59     /**

    60      * main method allows us to run as a standalone demo.

    61      *

    62      * @param args

    63      */

    64     public static void main(String[] args) {

    65         JFrame frame = new JFrame(DEMO_TITLE);

    66 

    67         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    68         frame.getContentPane().add(new ScrollPaneDemo());

    69         frame.setPreferredSize(new Dimension(800, 600));

    70         frame.pack();

    71         frame.setLocationRelativeTo(null);

    72         frame.setVisible(true);

    73     }

    74 

    75     /**

    76      * ScrollPaneDemo Constructor

    77      */

    78     public ScrollPaneDemo() {

    79         setLayout(new BorderLayout());

    80 

    81         ImageIcon crayons = resourceManager.createImageIcon("crayons.jpg",

    82                 resourceManager.getString("ScrollPaneDemo.crayons"));

    83         add(new ImageScroller(crayons), BorderLayout.CENTER);

    84     }

    85 

    86     /**

    87      * ScrollPane class that demonstrates how to set the various column and row

    88      * headers and corners.

    89      */

    90     private class ImageScroller extends JScrollPane {

    91 

    92         public ImageScroller(Icon icon) {

    93             super();

    94 

    95             // Panel to hold the icon image

    96             JPanel p = new JPanel(new BorderLayout());

    97             p.add(new JLabel(icon), BorderLayout.CENTER);

    98             getViewport().add(p);

    99 

   100             // Create and add a column header to the scrollpane

   101             JLabel colHeader = new JLabel(

   102                     resourceManager.createImageIcon("colheader.jpg", resourceManager.getString("ScrollPaneDemo.colheader")));

   103             setColumnHeaderView(colHeader);

   104 

   105             // Create and add a row header to the scrollpane

   106             JLabel rowHeaderLabel = new JLabel(

   107                     resourceManager.createImageIcon("rowheader.jpg", resourceManager.getString("ScrollPaneDemo.rowheader")));

   108             setRowHeaderView(rowHeaderLabel);

   109 

   110             // Create and add the upper left corner

   111             JLabel cornerUL = new JLabel(

   112                     resourceManager.createImageIcon("upperleft.jpg", resourceManager.getString("ScrollPaneDemo.upperleft")));

   113             setCorner(UPPER_LEFT_CORNER, cornerUL);

   114 

   115             // Create and add the upper right corner

   116             JLabel cornerUR = new JLabel(

   117                     resourceManager.createImageIcon("upperright.jpg", resourceManager.getString("ScrollPaneDemo.upperright")));

   118             setCorner(UPPER_RIGHT_CORNER, cornerUR);

   119 

   120             // Create and add the lower left corner

   121             JLabel cornerLL = new JLabel(

   122                     resourceManager.createImageIcon("lowerleft.jpg", resourceManager.getString("ScrollPaneDemo.lowerleft")));

   123             setCorner(LOWER_LEFT_CORNER, cornerLL);

   124 

   125             JScrollBar vsb = getVerticalScrollBar();

   126             JScrollBar hsb = getHorizontalScrollBar();

   127 

   128             vsb.setValue(icon.getIconHeight());

   129             hsb.setValue(icon.getIconWidth() / 10);

   130         }

   131     }

   132 

   133 }