| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.log4j.chainsaw; |
| |
| import javax.swing.*; |
| import javax.swing.table.DefaultTableCellRenderer; |
| import javax.swing.table.JTableHeader; |
| import java.awt.*; |
| |
| |
| /** |
| * A Table Column header renederer that displays a nice Up/Down arrow |
| * depending on whether this column is the current sort column or not, |
| * and which way the sort is functioning |
| * |
| * @author Claude Duguay |
| */ |
| public class SortHeaderRenderer extends DefaultTableCellRenderer { |
| public static final Icon NONSORTED = new SortArrowIcon(SortArrowIcon.NONE); |
| public static final Icon ASCENDING = new SortArrowIcon(SortArrowIcon.ASCENDING); |
| public static final Icon DECENDING = new SortArrowIcon(SortArrowIcon.DECENDING); |
| |
| public SortHeaderRenderer() { |
| setHorizontalTextPosition(LEFT); |
| setHorizontalAlignment(CENTER); |
| } |
| |
| @Override |
| public Component getTableCellRendererComponent( |
| JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int col) { |
| int index = -1; |
| boolean ascending = true; |
| |
| if (table instanceof JSortTable) { |
| JSortTable sortTable = (JSortTable) table; |
| index = sortTable.getSortedColumnIndex(); |
| ascending = sortTable.isSortedColumnAscending(); |
| } |
| |
| if (table != null) { |
| JTableHeader header = table.getTableHeader(); |
| |
| if (header != null) { |
| setForeground(header.getForeground()); |
| setBackground(header.getBackground()); |
| Font font = header.getFont(); |
| if (col == index) { |
| setFont(new Font(font.getName(), Font.BOLD, font.getSize())); |
| } else { |
| setFont(font); |
| } |
| } |
| } |
| |
| Icon icon = ascending ? ASCENDING : DECENDING; |
| setIcon((col == index) ? icon : NONSORTED); |
| setText((value == null) ? "" : value.toString()); |
| setBorder(UIManager.getBorder("TableHeader.cellBorder")); |
| |
| return this; |
| } |
| } |