001 /*
002 * This file is part of McIDAS-V
003 *
004 * Copyright 2007-2013
005 * Space Science and Engineering Center (SSEC)
006 * University of Wisconsin - Madison
007 * 1225 W. Dayton Street, Madison, WI 53706, USA
008 * https://www.ssec.wisc.edu/mcidas
009 *
010 * All Rights Reserved
011 *
012 * McIDAS-V is built on Unidata's IDV and SSEC's VisAD libraries, and
013 * some McIDAS-V source code is based on IDV and VisAD source code.
014 *
015 * McIDAS-V is free software; you can redistribute it and/or modify
016 * it under the terms of the GNU Lesser Public License as published by
017 * the Free Software Foundation; either version 3 of the License, or
018 * (at your option) any later version.
019 *
020 * McIDAS-V is distributed in the hope that it will be useful,
021 * but WITHOUT ANY WARRANTY; without even the implied warranty of
022 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
023 * GNU Lesser Public License for more details.
024 *
025 * You should have received a copy of the GNU Lesser Public License
026 * along with this program. If not, see http://www.gnu.org/licenses.
027 */
028
029 package edu.wisc.ssec.mcidasv.startupmanager.options;
030
031 import java.awt.BorderLayout;
032 import java.awt.Dimension;
033 import java.awt.event.ActionEvent;
034 import java.awt.event.ActionListener;
035 import java.io.File;
036
037 import javax.swing.JCheckBox;
038 import javax.swing.JComponent;
039 import javax.swing.JLabel;
040 import javax.swing.JPanel;
041 import javax.swing.JScrollPane;
042 import javax.swing.JTree;
043 import javax.swing.ToolTipManager;
044 import javax.swing.event.TreeSelectionEvent;
045 import javax.swing.event.TreeSelectionListener;
046 import javax.swing.tree.DefaultMutableTreeNode;
047 import javax.swing.tree.TreePath;
048 import javax.swing.tree.TreeSelectionModel;
049
050 import edu.wisc.ssec.mcidasv.ArgumentManager;
051 import edu.wisc.ssec.mcidasv.startupmanager.StartupManager;
052 import edu.wisc.ssec.mcidasv.startupmanager.StartupManager.TreeCellRenderer;
053 import edu.wisc.ssec.mcidasv.startupmanager.options.OptionMaster.OptionPlatform;
054 import edu.wisc.ssec.mcidasv.startupmanager.options.OptionMaster.Type;
055 import edu.wisc.ssec.mcidasv.startupmanager.options.OptionMaster.Visibility;
056
057 public class DirectoryOption extends AbstractOption {
058 private DefaultMutableTreeNode selected = null;
059
060 private String value = "";
061
062 private final String defaultValue;
063
064 public DirectoryOption(final String id, final String label, final String defaultValue, final OptionPlatform optionPlatform, final Visibility optionVisibility) {
065 super(id, label, Type.DIRTREE, optionPlatform, optionVisibility);
066 this.defaultValue = defaultValue;
067 setValue(defaultValue);
068 }
069
070 private void exploreDirectory(final String directory, final DefaultMutableTreeNode parent) {
071 assert directory != null : "Cannot traverse a null directory";
072
073 File dir = new File(directory);
074 assert dir.exists() : "Cannot traverse a directory that does not exist";
075
076 for (File f : dir.listFiles()) {
077 DefaultMutableTreeNode current = new DefaultMutableTreeNode(f);
078 if (f.isDirectory()) {
079 parent.add(current);
080 exploreDirectory(f.getPath(), current);
081 } else if (ArgumentManager.isBundle(f.getPath())){
082 parent.add(current);
083 if (f.getPath().equals(getUnquotedValue()))
084 selected = current;
085 }
086 }
087 }
088
089 private DefaultMutableTreeNode getRootNode(final String path) {
090 File bundleDir = new File(path);
091 if (bundleDir.isDirectory()) {
092 DefaultMutableTreeNode root = new DefaultMutableTreeNode(bundleDir);
093 return root;
094 }
095 return null;
096 }
097
098 private void useSelectedTreeValue(final JTree tree) {
099 assert tree != null : "cannot use a null JTree";
100 DefaultMutableTreeNode node = (DefaultMutableTreeNode)tree.getLastSelectedPathComponent();
101
102 File f = (File)node.getUserObject();
103 if (f.isDirectory()) {
104 setValue(defaultValue);
105 } else {
106 setValue(node.toString());
107 }
108
109 TreePath nodePath = new TreePath(node.getPath());
110 tree.setSelectionPath(nodePath);
111 tree.scrollPathToVisible(nodePath);
112 }
113
114 public JPanel getComponent() {
115
116 JPanel panel = new JPanel(new BorderLayout());
117
118 String path = StartupManager.getInstance().getPlatform().getUserBundles();
119 DefaultMutableTreeNode root = getRootNode(path);
120 if (root == null) {
121 return panel;
122 }
123
124 final JTree tree = new JTree(root);
125 tree.addTreeSelectionListener(new TreeSelectionListener() {
126 public void valueChanged(final TreeSelectionEvent e) {
127 useSelectedTreeValue(tree);
128 }
129 });
130 tree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
131 JScrollPane scroller = new JScrollPane(tree);
132 exploreDirectory(path, root);
133
134 ToolTipManager.sharedInstance().registerComponent(tree);
135 tree.setCellRenderer(new TreeCellRenderer());
136 scroller.setPreferredSize(new Dimension(140, 130));
137 tree.expandRow(0);
138
139 if (selected != null) {
140 TreePath nodePath = new TreePath(selected.getPath());
141 tree.setSelectionPath(nodePath);
142 tree.scrollPathToVisible(nodePath);
143 }
144
145 final JCheckBox enabled = new JCheckBox("Specify default bundle:", true);
146 enabled.addActionListener(new ActionListener() {
147 public void actionPerformed(final ActionEvent e) {
148 tree.setEnabled(enabled.isSelected());
149 if (!tree.isEnabled()) {
150 setValue(defaultValue);
151 } else {
152 useSelectedTreeValue(tree);
153 }
154 }
155 });
156
157 panel.add(enabled, BorderLayout.PAGE_START);
158 panel.add(scroller, BorderLayout.PAGE_END);
159 return panel;
160 }
161
162 public String getValue() {
163 return "\"" + value + "\"";
164 }
165
166 public String getUnquotedValue() {
167 return value;
168 }
169
170 public void setValue(final String newValue) {
171 value = newValue.replaceAll("\"", "");
172 }
173
174 public String toString() {
175 return String.format("[DirectoryOption@%x: optionId=%s, value=%s]", hashCode(), getOptionId(), getValue());
176 }
177 }