Java JTable Column Pack packColumn(JTable table, int colIndex)

Description

pack Column

License

Open Source License

Declaration

private static void packColumn(JTable table, int colIndex) 

Method Source Code

//package com.java2s;
/*/*from  ww  w .j ava  2s  .c o m*/
 RDS Surveyor -- RDS decoder, analyzer and monitor tool and library.
 For more information see
   http://www.jacquet80.eu/
   http://rds-surveyor.sourceforge.net/
     
 Copyright (c) 2009, 2010 Christophe Jacquet
    
 This file is part of RDS Surveyor.
    
 RDS Surveyor is free software: you can redistribute it and/or modify
 it under the terms of the GNU Lesser Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.
    
 RDS Surveyor 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 Lesser Public License for more details.
    
 You should have received a copy of the GNU Lesser Public License
 along with RDS Surveyor.  If not, see <http://www.gnu.org/licenses/>.
    
*/

import java.awt.Component;
import javax.swing.JTable;

import javax.swing.table.TableCellRenderer;
import javax.swing.table.TableColumn;
import javax.swing.table.TableColumnModel;

public class Main {
    private static void packColumn(JTable table, int colIndex) {
        TableColumnModel colModel = table.getColumnModel();
        TableColumn col = colModel.getColumn(colIndex);
        int width = 0;

        // Get width of column header
        TableCellRenderer renderer = col.getHeaderRenderer();
        if (renderer == null) {
            renderer = table.getTableHeader().getDefaultRenderer();
        }

        Component comp = renderer.getTableCellRendererComponent(table, col.getHeaderValue(), false, false, 0, 0);

        width = comp.getPreferredSize().width;

        // Get maximum width of column data
        for (int r = 0; r < table.getRowCount(); r++) {
            renderer = table.getCellRenderer(r, colIndex);
            comp = renderer.getTableCellRendererComponent(table, table.getValueAt(r, colIndex), false, false, r,
                    colIndex);
            width = Math.max(width, comp.getPreferredSize().width);
        }

        // Add margin
        width += 2 * 8;

        // Set the width
        col.setPreferredWidth(width);
    }
}

Related

1. packColumn(JTable table, int colIndex)
2. packColumn(JTable table, int vColIndex, int margin)
3. packColumn(JTable table, int vColIndex, int margin)
4. packColumn(JTable table, int vColIndex, int margin)
5. packColumn(JTable table, int vColIndex, int margin)