Java JTable Column fitColumns(JTable table)

Description

Fit the columns of a JTable regarding it's contents.

License

Open Source License

Parameter

Parameter	Description
table	JTable to fit the columns of.

Declaration

public static void fitColumns(JTable table) 

Method Source Code

//package com.java2s;
/******************************************************************************
 * Copyright (c) Child-In-Time 2016. All rights reserved.                     *
 *                                                                            *
 * @author Tim Visee                                                          *
 * @author Nathan Bakhuijzen                                                  *
 * @author Timo van den Boom                                                  *
 * @author Jos van Gent                                                       *
 *                                                                            *
 * Open Source != No Copyright                                                *
 *                                                                            *
 * Permission is hereby granted, free of charge, to any person obtaining a    *
 * copy of this software and associated documentation files (the "Software")  *
 * to deal in the Software without restriction, including without limitation  *
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,   *
 * and/or sell copies of the Software, and to permit persons to whom the      *
 * Software is furnished to do so, subject to the following conditions:       *
 *                                                                            *
 * The above copyright notice and this permission notice shall be included    *
 * in all copies or substantial portions of the Software.                     *
 *                                                                            *
 * You should have received a copy of The MIT License (MIT) along with this   *
 * program. If not, see <http://opensource.org/licenses/MIT/>.                *
 ******************************************************************************/

import javax.swing.*;
import javax.swing.table.TableColumnModel;
import java.awt.*;

public class Main {
    /**//w w w  .  ja  v a  2 s.  co m
     * The default minimum width of a column.
     */
    public static final int COLUMN_WIDTH_MIN = 50;

    /**
     * Fit the columns of a JTable regarding it's contents.
     *
     * @param table JTable to fit the columns of.
     */
    public static void fitColumns(JTable table) {
        // Get the table's column model
        final TableColumnModel columnModel = table.getColumnModel();

        // Go through each column
        for (int column = 0; column < table.getColumnCount(); column++) {
            // Create a variable for the column width
            int width = COLUMN_WIDTH_MIN;

            // Loop through each row finding the maximum cell width
            for (int row = 0; row < table.getRowCount(); row++) {
                // Get the current cell
                Component comp = table.prepareRenderer(table.getCellRenderer(row, column), row, column);

                // Calculate the preferred maximum width
                width = Math.max(comp.getPreferredSize().width + 1, width);
            }

            // Set the determined column width as preferred
            columnModel.getColumn(column).setPreferredWidth(width);
        }
    }
}

Related

1. createUneditableTableModel(String... columnNames)
2. ensureColumnCount(int count, JTable table)
3. filterTable(JTable table, DefaultTableModel dtm, String text, int[] columns, boolean forceRegEx)
4. findColumn(TableModel m, String columnName)
5. findColumn(TableModel model, String name)
6. FitTableColumns(JTable myTable)
7. formatStringListToTable(List columnNames, List rows)
8. getColumnData(final JTable table, final int iSelectedRow)
9. getColumnIndex(JTable table, String columnTitle)