Java JTable Column Width Get getColumnWidths(final JTable table)

Description

Returns the column widths of a table in a formatted String .

License

Open Source License

Parameter

Parameter	Description
table	The table to collect column widths from

Return

A String in the format "34 56 56 56"

Declaration

public static String getColumnWidths(final JTable table) 

Method Source Code

//package com.java2s;
/*//  www  .j  a  va 2 s  . co  m
 * jGnash, a personal finance application
 * Copyright (C) 2001-2017 Craig Cavanaugh
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.util.Objects;

import javax.swing.JTable;

import javax.swing.table.TableColumnModel;

public class Main {
    /**
     * Returns the column widths of a table in a formatted
     * {@code String}.
     *
     * @param table The table to collect column widths from
     * @return A String in the format "34 56 56 56"
     */
    public static String getColumnWidths(final JTable table) {
        Objects.requireNonNull(table);

        TableColumnModel model = table.getColumnModel();
        int count = model.getColumnCount();
        StringBuilder buffer = new StringBuilder();
        for (int i = 0; i < count; i++) {
            if (i > 0) {
                buffer.append(' ');
            }
            int index = table.convertColumnIndexToView(i);
            buffer.append(model.getColumn(index).getWidth());
        }
        return buffer.toString();
    }
}

Related

1. getColumnWidth(JTable table)
2. getColumnWidths(JTable p_Table)
3. getColumnWidths(JTable tbl)
4. getPreferredColumnWidth(JTable table, int vColIndex, int margin)
5. getPreferredColumnWidth(JTable table, TableColumn col)