J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2004-2006 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | package sun.tools.jconsole.inspector; |
| 26 | |
| 27 | import java.awt.*; |
| 28 | import java.awt.dnd.*; |
| 29 | import java.awt.event.*; |
| 30 | import java.awt.datatransfer.*; |
| 31 | import java.io.*; |
| 32 | import java.util.*; |
| 33 | import javax.swing.plaf.*; |
| 34 | import javax.swing.event.*; |
| 35 | import javax.swing.*; |
| 36 | |
| 37 | |
| 38 | /** |
| 39 | * This list implements the drag and drop functionality. |
| 40 | */ |
| 41 | @SuppressWarnings("serial") |
| 42 | public class XTextField extends JPanel |
| 43 | implements DocumentListener, |
| 44 | ActionListener { |
| 45 | |
| 46 | private static final Color selF = Color.red; |
| 47 | private static final Color selB = Color.yellow; |
| 48 | private Color fore=null, back=null; |
| 49 | private HashMap items = null; //used for popup menu selection |
| 50 | private XObject selectedObject; |
| 51 | private XObject currentObject; |
| 52 | private Class expectedClass; |
| 53 | private Object value; |
| 54 | protected JTextField textField; |
| 55 | private JButton browseObjects; |
| 56 | |
| 57 | private static boolean allowNullSelection = false; |
| 58 | |
| 59 | protected final static int COMPATIBLE_VALUE = 1; |
| 60 | protected final static int CURRENT_VALUE = 2; |
| 61 | protected final static int NULL_VALUE = 3; |
| 62 | |
| 63 | private JButton button; |
| 64 | private XOperations operation; |
| 65 | |
| 66 | //used in XTestFieldEditor |
| 67 | public XTextField() { |
| 68 | super(new BorderLayout()); |
| 69 | add(textField = new JTextField(),BorderLayout.CENTER); |
| 70 | textField.addActionListener(this); |
| 71 | // |
| 72 | } |
| 73 | |
| 74 | public XTextField(Object value) { |
| 75 | this(value,value.toString().length()); |
| 76 | } |
| 77 | |
| 78 | public XTextField(Object value, int colWidth) { |
| 79 | this(value,value.getClass(),colWidth, true, null, null); |
| 80 | } |
| 81 | |
| 82 | public XTextField(Object value, |
| 83 | Class expectedClass, |
| 84 | int colWidth, |
| 85 | boolean isCallable, |
| 86 | JButton button, |
| 87 | XOperations operation) { |
| 88 | super(new BorderLayout()); |
| 89 | this.expectedClass = expectedClass; |
| 90 | this.button = button; |
| 91 | this.operation = operation; |
| 92 | add(textField = new JTextField(value.toString(),colWidth), |
| 93 | BorderLayout.CENTER); |
| 94 | if(isCallable) |
| 95 | textField.addActionListener(this); |
| 96 | |
| 97 | boolean fieldEditable = Utils.isEditableType(expectedClass.getName()); |
| 98 | if (fieldEditable && isCallable) { |
| 99 | textField.setEditable(true); |
| 100 | } |
| 101 | else { |
| 102 | textField.setEditable(false); |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | public static void setNullSelectionAllowed(boolean allowNullSelection) { |
| 107 | XTextField.allowNullSelection = allowNullSelection; |
| 108 | } |
| 109 | |
| 110 | public static boolean getNullSelectionAllowed() { |
| 111 | return allowNullSelection; |
| 112 | } |
| 113 | |
| 114 | protected void init(Object value, Class expectedClass) { |
| 115 | this.expectedClass = expectedClass; |
| 116 | this.value = value; |
| 117 | boolean fieldEditable = Utils.isEditableType(expectedClass.getName()); |
| 118 | clearObject(); |
| 119 | if (value != null) { |
| 120 | currentObject = new XObject(value); |
| 121 | textField.setText(value.toString()); |
| 122 | } |
| 123 | else { |
| 124 | currentObject = XObject.NULL_OBJECT; |
| 125 | //null String value for the moment |
| 126 | textField.setText(""); |
| 127 | } |
| 128 | textField.setToolTipText(null); |
| 129 | if (fieldEditable) { |
| 130 | if (!textField.isEditable()) { |
| 131 | textField.setEditable(true); |
| 132 | } |
| 133 | |
| 134 | } |
| 135 | else { |
| 136 | if (textField.isEditable()) { |
| 137 | textField.setEditable(false); |
| 138 | } |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | |
| 143 | |
| 144 | |
| 145 | |
| 146 | private synchronized void setObject(XObject object) { |
| 147 | clearObject(); |
| 148 | selectedObject = object; |
| 149 | currentObject = object; |
| 150 | setSelectedColors(); |
| 151 | textField.setText(object.getText()); |
| 152 | textField.getDocument().addDocumentListener(this); |
| 153 | paintImmediately(getVisibleRect()); |
| 154 | } |
| 155 | |
| 156 | private synchronized void clearObject() { |
| 157 | textField.getDocument().removeDocumentListener(this); |
| 158 | selectedObject = null; |
| 159 | currentObject = null; |
| 160 | setDefaultColors(); |
| 161 | } |
| 162 | |
| 163 | private synchronized void setSelectedColors() { |
| 164 | // fore = textField.getForeground(); |
| 165 | // back = textField.getBackground(); |
| 166 | |
| 167 | //textField.setForeground(Color.red); |
| 168 | // textField.setBackground(Color.yellow); |
| 169 | } |
| 170 | |
| 171 | private synchronized void setDefaultColors() { |
| 172 | // if (fore != null) textField.setForeground(fore); |
| 173 | // if (back != null) textField.setBackground(back); |
| 174 | } |
| 175 | |
| 176 | public void setHorizontalAlignment(int h) { |
| 177 | textField.setHorizontalAlignment(h); |
| 178 | } |
| 179 | |
| 180 | //can be overwritten |
| 181 | protected JMenuItem buildJMenuItem(XObject xobject, int valueType) { |
| 182 | if (valueType == COMPATIBLE_VALUE) { |
| 183 | return new JMenuItem(xobject.getText()); |
| 184 | } |
| 185 | else if (valueType == CURRENT_VALUE) { |
| 186 | return new JMenuItem("> "+xobject.getText()); |
| 187 | } |
| 188 | else if (valueType == NULL_VALUE) { |
| 189 | return new JMenuItem("null"); |
| 190 | } |
| 191 | else { |
| 192 | return null; |
| 193 | } |
| 194 | } |
| 195 | |
| 196 | private JPopupMenu buildEditPopupMenu() { |
| 197 | JPopupMenu menu = new JPopupMenu(); |
| 198 | return menu; |
| 199 | } |
| 200 | |
| 201 | |
| 202 | // ACTIONLISTENER IMPLEMENTATION |
| 203 | public void actionPerformed(ActionEvent e) { |
| 204 | if (e.getSource() instanceof JTextField) { |
| 205 | if(operation != null) |
| 206 | operation.performInvokeRequest(button); |
| 207 | } |
| 208 | } |
| 209 | |
| 210 | /** |
| 211 | * This method returns either the user inputted String, or an XObject |
| 212 | * if one was dropped on the input field. |
| 213 | */ |
| 214 | public Object getValue() { |
| 215 | if (selectedObject!=null) { |
| 216 | if (selectedObject == XObject.NULL_OBJECT) { |
| 217 | //null case |
| 218 | return null; |
| 219 | } |
| 220 | else { |
| 221 | return selectedObject; |
| 222 | } |
| 223 | } |
| 224 | else { |
| 225 | return textField.getText(); |
| 226 | } |
| 227 | } |
| 228 | |
| 229 | public void changedUpdate(DocumentEvent e) { |
| 230 | // the user typed something, so remove references |
| 231 | // to the obejct that was dropped. |
| 232 | clearObject(); |
| 233 | } |
| 234 | |
| 235 | public void removeUpdate(DocumentEvent e) { |
| 236 | // the user typed something, so remove references |
| 237 | // to the obejct that was dropped. |
| 238 | clearObject(); |
| 239 | } |
| 240 | |
| 241 | public void insertUpdate(DocumentEvent e) { |
| 242 | // the user typed something, so remove references |
| 243 | // to the obejct that was dropped. |
| 244 | clearObject(); |
| 245 | } |
| 246 | |
| 247 | } |