Java JTable Column Width Get getPreferredHeaderWidth(JTable tbl, int iColumn)

Description

calculates the preferred header width by asking the header renderer.

License

Open Source License

Parameter

Parameter	Description
tbl	a parameter
iColumn	a parameter

Return

the preferred header width for column iColumn of the given table

Declaration

public static int getPreferredHeaderWidth(JTable tbl, int iColumn) 

Method Source Code

//package com.java2s;
//it under the terms of the GNU Affero General Public License as published by

import java.awt.Component;

import javax.swing.JTable;

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

public class Main {
    /**/*from w  ww .jav a  2s. co m*/
     * calculates the preferred header width by asking the header renderer.
     * @param tbl
     * @param iColumn
     * @return the preferred header width for column <code>iColumn</code> of the given table
     */
    public static int getPreferredHeaderWidth(JTable tbl, int iColumn) {
        TableColumn column = tbl.getColumnModel().getColumn(iColumn);

        TableCellRenderer renderer = column.getHeaderRenderer();
        if (renderer == null) {
            renderer = tbl.getTableHeader().getDefaultRenderer();
        }
        final Component compHeader = renderer.getTableCellRendererComponent(tbl, column.getHeaderValue(), false,
                false, 0, iColumn);

        int result = compHeader.getPreferredSize().width;

        result += tbl.getIntercellSpacing().getWidth();
        // this is necessary for JRE 1.4+

        return result;
    }
}

Related

1. getColumnWidths(final 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)