| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| TableUtils |
|
| 3.5;3.5 |
| 1 | /* | |
| 2 | * Copyright (c) 2000 | |
| 3 | * Jon Schewe. All rights reserved | |
| 4 | * | |
| 5 | * Redistribution and use in source and binary forms, with or without | |
| 6 | * modification, are permitted provided that the following conditions | |
| 7 | * are met: | |
| 8 | * 1. Redistributions of source code must retain the above copyright | |
| 9 | * notice, this list of conditions and the following disclaimer. | |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 11 | * notice, this list of conditions and the following disclaimer in the | |
| 12 | * documentation and/or other materials provided with the distribution. | |
| 13 | * | |
| 14 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 15 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 16 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 17 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 18 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 19 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 20 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 21 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 22 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 23 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 24 | * SUCH DAMAGE. | |
| 25 | * | |
| 26 | * I'd appreciate comments/suggestions on the code jpschewe@mtu.net | |
| 27 | */ | |
| 28 | package net.mtu.eggplant.util.gui; | |
| 29 | ||
| 30 | import javax.swing.JTable; | |
| 31 | import javax.swing.table.TableCellRenderer; | |
| 32 | import javax.swing.table.TableColumn; | |
| 33 | import javax.swing.table.TableColumnModel; | |
| 34 | ||
| 35 | /** | |
| 36 | * utilities for working with tables | |
| 37 | * | |
| 38 | * @version $Revision$ | |
| 39 | */ | |
| 40 | public final class TableUtils { | |
| 41 | ||
| 42 | 0 | private TableUtils() { |
| 43 | // don't create instances | |
| 44 | 0 | } |
| 45 | ||
| 46 | /** | |
| 47 | * set the widths of all of the columns to the max width of the object in the | |
| 48 | * column. | |
| 49 | * | |
| 50 | * @pre (table != null) | |
| 51 | **/ | |
| 52 | public static void setColumnMinWidths(final JTable table) { | |
| 53 | 0 | final TableColumnModel colModel = table.getColumnModel(); |
| 54 | /** | |
| 55 | * @assert (colModel.getColumnCount() == table.getColumnCount()), | |
| 56 | * "table and column model don't agree"; | |
| 57 | **/ | |
| 58 | 0 | final int columns = colModel.getColumnCount(); |
| 59 | ||
| 60 | 0 | for (int columnIndex = 0; columnIndex < columns; columnIndex++) { |
| 61 | 0 | int maxWidth = 0; |
| 62 | 0 | final TableColumn column = colModel.getColumn(columnIndex); |
| 63 | /** | |
| 64 | * @assert (column != null) | |
| 65 | **/ | |
| 66 | 0 | TableCellRenderer renderer = column.getCellRenderer(); |
| 67 | ||
| 68 | 0 | if (renderer == null) { |
| 69 | 0 | renderer = table.getDefaultRenderer(table.getColumnClass(columnIndex)); |
| 70 | } | |
| 71 | 0 | if (renderer != null) { |
| 72 | 0 | final int rows = table.getRowCount(); |
| 73 | 0 | for (int rowIndex = 0; rowIndex < rows; rowIndex++) { |
| 74 | 0 | final Object object = table.getValueAt(rowIndex, columnIndex); |
| 75 | 0 | maxWidth = Math.max(maxWidth, renderer.getTableCellRendererComponent( |
| 76 | table, object, false, false, rowIndex, columnIndex) | |
| 77 | 0 | .getPreferredSize().width); |
| 78 | } | |
| 79 | // ????? | |
| 80 | // maxWidth = Math.max(maxWidth, column.getWidth()); | |
| 81 | ||
| 82 | 0 | renderer = column.getHeaderRenderer(); |
| 83 | 0 | if (renderer == null) { |
| 84 | 0 | renderer = table.getTableHeader().getDefaultRenderer(); |
| 85 | } | |
| 86 | 0 | maxWidth = Math.max(maxWidth, renderer.getTableCellRendererComponent( |
| 87 | 0 | table, column.getHeaderValue(), false, false, -1, columnIndex) |
| 88 | 0 | .getPreferredSize().width); |
| 89 | 0 | column.setMinWidth(maxWidth + 5); |
| 90 | } | |
| 91 | } | |
| 92 | 0 | } |
| 93 | } |