1 /*
2 * Copyright (c) 2004, 2008, 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package sun.tools.jconsole.inspector;
27
28 import java.awt.Color;
29 import java.awt.Component;
30 import java.awt.Font;
31 import javax.swing.JTable;
32 import javax.swing.table.DefaultTableCellRenderer;
33 import javax.swing.table.DefaultTableModel;
34 import javax.swing.table.TableCellRenderer;
35
36 public abstract class XTable extends JTable {
37 static final int NAME_COLUMN = 0;
38 static final int VALUE_COLUMN = 1;
39 private Color defaultColor, editableColor, droppableColor, errorColor;
40 private Font normalFont, boldFont;
41
42 public XTable () {
43 super();
44 @SuppressWarnings("serial")
45 final TableSorter sorter = new TableSorter();
46 setModel(sorter);
47 sorter.addMouseListenerToHeaderInTable(this);
48 setRowSelectionAllowed(false);
49 setColumnSelectionAllowed(false);
50 setAutoResizeMode(JTable.AUTO_RESIZE_LAST_COLUMN);
51 }
52
53 Color getDefaultColor() {
54 return defaultColor;
55 }
56
57 Color getEditableColor() {
58 return editableColor;
59 }
60
61 /**
62 * Called by TableSorter if a mouse event requests to sort the rows.
63 * @param column the column against which the rows are sorted
64 */
65 void sortRequested(int column) {
66 // This is a hook for subclasses
67 }
68
69 /**
70 * This returns the select index as the table was at initialization
71 */
72 public int getSelectedIndex() {
73 return convertRowToIndex(getSelectedRow());
74 }
75
76 /*
77 * Converts the row into index (before sorting)
78 */
79 public int convertRowToIndex(int row) {
80 if (row == -1) return row;
81 if (getModel() instanceof TableSorter) {
82 return ((TableSorter) getModel()).getIndexOfRow(row);
83 } else {
84 return row;
85 }
86 }
87
88 public void emptyTable() {
89 DefaultTableModel model = (DefaultTableModel)getModel();
90 while (model.getRowCount()>0)
91 model.removeRow(0);
92 }
93
94 public abstract boolean isTableEditable();
95 public abstract boolean isColumnEditable(int column);
96 public abstract boolean isReadable(int row);
97 public abstract boolean isWritable(int row);
98 public abstract boolean isCellError(int row, int col);
99 public abstract boolean isAttributeViewable(int row, int col);
100 public abstract void setTableValue(Object value,int row);
101 public abstract Object getValue(int row);
102 public abstract String getClassName(int row);
103 public abstract String getValueName(int row);
104
105 public boolean isReadWrite(int row) {
106 return (isReadable(row) && isWritable(row));
107 }
108
109 //JTable re-implementation
110
111 //attribute can be editable even if unavailable
112 @Override
113 public boolean isCellEditable(int row, int col) {
114 return ((isTableEditable() && isColumnEditable(col)
115 && isWritable(row)
116 && Utils.isEditableType(getClassName(row))));
117 }
118
119 //attribute can be droppable even if unavailable
120 public boolean isCellDroppable(int row, int col) {
121 return (isTableEditable() && isColumnEditable(col)
122 && isWritable(row));
123 }
124
125 //returns null, means no tool tip
126 public String getToolTip(int row, int column) {
127 return null;
128 }
129
130 /**
131 * This method sets read write rows to be blue, and other rows to be their
132 * default rendered colour.
133 */
134 @Override
135 public TableCellRenderer getCellRenderer(int row, int column) {
136 DefaultTableCellRenderer tcr =
137 (DefaultTableCellRenderer) super.getCellRenderer(row,column);
138 tcr.setToolTipText(getToolTip(row,column));
139 if (defaultColor == null) {
140 defaultColor = tcr.getForeground();
141 editableColor = Color.blue;
142 droppableColor = Color.green;
143 errorColor = Color.red;
144 // this sometimes happens for some reason
145 if (defaultColor == null) {
146 return tcr;
147 }
148 }
149 if (column != VALUE_COLUMN) {
150 tcr.setForeground(defaultColor);
151 return tcr;
152 }
153 if (isCellError(row,column)) {
154 tcr.setForeground(errorColor);
155 } else if (isCellEditable(row, column)) {
156 tcr.setForeground(editableColor);
157 } else {
158 tcr.setForeground(defaultColor);
159 }
160 return tcr;
161 }
162
163 @Override
164 public Component prepareRenderer(TableCellRenderer renderer,
165 int row, int column) {
166 Component comp = super.prepareRenderer(renderer, row, column);
167
168 if (normalFont == null) {
169 normalFont = comp.getFont();
170 boldFont = normalFont.deriveFont(Font.BOLD);
171 }
172
173 if (column == VALUE_COLUMN && isAttributeViewable(row, VALUE_COLUMN)) {
174 comp.setFont(boldFont);
175 } else {
176 comp.setFont(normalFont);
177 }
178
179 return comp;
180 }
181 }