J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1997-1998 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions |
| 6 | * are met: |
| 7 | * |
| 8 | * - Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * |
| 11 | * - Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
| 14 | * |
| 15 | * - Neither the name of Sun Microsystems nor the names of its |
| 16 | * contributors may be used to endorse or promote products derived |
| 17 | * from this software without specific prior written permission. |
| 18 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
| 20 | * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| 21 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| 23 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 24 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 25 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 26 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| 27 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| 28 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 29 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 30 | */ |
| 31 | |
| 32 | /* |
| 33 | */ |
| 34 | |
| 35 | import javax.swing.tree.DefaultTreeModel; |
| 36 | import javax.swing.tree.TreeNode; |
| 37 | import javax.swing.tree.TreePath; |
| 38 | import javax.swing.tree.DefaultMutableTreeNode; |
| 39 | import java.awt.Color; |
| 40 | |
| 41 | /** |
| 42 | * SampleTreeModel extends JTreeModel to extends valueForPathChanged. |
| 43 | * This method is called as a result of the user editing a value in |
| 44 | * the tree. If you allow editing in your tree, are using TreeNodes |
| 45 | * and the user object of the TreeNodes is not a String, then you're going |
| 46 | * to have to subclass JTreeModel as this example does. |
| 47 | * |
| 48 | * @author Scott Violet |
| 49 | */ |
| 50 | |
| 51 | public class SampleTreeModel extends DefaultTreeModel |
| 52 | { |
| 53 | /** |
| 54 | * Creates a new instance of SampleTreeModel with newRoot set |
| 55 | * to the root of this model. |
| 56 | */ |
| 57 | public SampleTreeModel(TreeNode newRoot) { |
| 58 | super(newRoot); |
| 59 | } |
| 60 | |
| 61 | /** |
| 62 | * Subclassed to message setString() to the changed path item. |
| 63 | */ |
| 64 | public void valueForPathChanged(TreePath path, Object newValue) { |
| 65 | /* Update the user object. */ |
| 66 | DefaultMutableTreeNode aNode = (DefaultMutableTreeNode)path.getLastPathComponent(); |
| 67 | SampleData sampleData = (SampleData)aNode.getUserObject(); |
| 68 | |
| 69 | sampleData.setString((String)newValue); |
| 70 | /* UUUhhhhh, pretty colors. */ |
| 71 | sampleData.setColor(Color.green); |
| 72 | |
| 73 | /* Since we've changed how the data is to be displayed, message |
| 74 | nodeChanged. */ |
| 75 | nodeChanged(aNode); |
| 76 | } |
| 77 | } |