1 /*

     2  * CDDL HEADER START

     3  *

     4  * The contents of this file are subject to the terms of the

     5  * Common Development and Distribution License (the "License").

     6  * You may not use this file except in compliance with the License.

     7  *

     8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

     9  * or http://www.opensolaris.org/os/licensing.

    10  * See the License for the specific language governing permissions

    11  * and limitations under the License.

    12  *

    13  * When distributing Covered Code, include this CDDL HEADER in each

    14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.

    15  * If applicable, add the following below this CDDL HEADER, with the

    16  * fields enclosed by brackets "[]" replaced with your own identifying

    17  * information: Portions Copyright [yyyy] [name of copyright owner]

    18  *

    19  * CDDL HEADER END

    20  */

    21 

    22 /*

    23  * Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved.

    24  */

    25 

    26 package com.oracle.solaris.vp.util.swing;

    27 

    28 import java.awt.*;

    29 import javax.swing.*;

    30 

    31 /**

    32  * The {@code ExtRootPane} class, when {@link #validate validated}, can

    33  * optionally:

    34  * <ol>

    35  *   <li>

    36  *     {@link #setAutoResizeEnabled automatically} resize its enclosing {@code

    37  *     Window} to it's preferred size

    38  *   </li>

    39  *   <li>

    40  *     {@link #setAutoMinSizeEnabled automatically} set its enclosing {@code

    41  *     Window}'s minimum size to it's preferred size

    42  *   </li>

    43  * </ol>

    44  *

    45  * Additionally, the {@code ExtRootPane} takes any visible glass pane into

    46  * account when calculating its preferred size.

    47  *

    48  * @see         ExtDialog

    49  * @see         ExtFrame

    50  */

    51 @SuppressWarnings({"serial"})

    52 public class ExtRootPane extends JRootPane {

    53     //

    54     // Instance data

    55     //

    56 

    57     private boolean doingValidate;

    58     private boolean autoResizeEnabled = true;

    59     private boolean autoMinSizeEnabled = true;

    60 

    61     //

    62     // Component methods

    63     //

    64 

    65     @Override

    66     public void validate() {

    67 	if (!doingValidate && (autoResizeEnabled || autoMinSizeEnabled)) {

    68 	    doingValidate = true;

    69 	    try {

    70 		Window window = SwingUtilities.getWindowAncestor(this);

    71 		if (window != null) {

    72 		    if (autoResizeEnabled) {

    73 			window.pack();

    74 		    }

    75 		    if (autoMinSizeEnabled) {

    76 			window.setMinimumSize(window.getPreferredSize());

    77 		    }

    78 		}

    79 	    } finally {

    80 		doingValidate = false;

    81 	    }

    82 	}

    83 	super.validate();

    84     }

    85 

    86     @Override

    87     public Dimension getPreferredSize() {

    88         Dimension size = super.getPreferredSize();

    89 	if (isPreferredSizeSet()) {

    90 	    return size;

    91 	}

    92 

    93         Component glass = getGlassPane();

    94 

    95         // Resize for glass pane

    96         if (glass.isVisible()) {

    97             Dimension gSize = glass.getPreferredSize();

    98 	    if (gSize.width > size.width) {

    99 		size.width = gSize.width;

   100 	    }

   101 	    if (gSize.height > size.height) {

   102 		size.height = gSize.height;

   103 	    }

   104 	}

   105 

   106         return size;

   107     }

   108 

   109     //

   110     // ExtRootPane methods

   111     //

   112 

   113     /**

   114      * Gets whether auto-minimum size is enabled.

   115      */

   116     public boolean isAutoMinSizeEnabled() {

   117 	return autoMinSizeEnabled;

   118     }

   119 

   120     /**

   121      * Gets whether auto-resize is enabled.

   122      */

   123     public boolean isAutoResizeEnabled() {

   124 	return autoResizeEnabled;

   125     }

   126 

   127     /**

   128      * Sets whether auto-minimum size is enabled.

   129      */

   130     public void setAutoMinSizeEnabled(boolean autoMinSizeEnabled) {

   131 	this.autoMinSizeEnabled = autoMinSizeEnabled;

   132     }

   133 

   134     /**

   135      * Sets whether auto-resize is enabled.

   136      */

   137     public void setAutoResizeEnabled(boolean autoResizeEnabled) {

   138 	this.autoResizeEnabled = autoResizeEnabled;

   139     }

   140 }