column Fit JTable - Java Swing

Java examples for Swing:JTable Column

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Description

column Fit JTable

Demo Code


//package com.java2s;

import javax.swing.JTable;
import javax.swing.table.DefaultTableModel;

public class Main {
    public static void columnFit(JTable table) {
        DefaultTableModel model = (DefaultTableModel) table.getModel();

        int rows = model.getRowCount();
        int cols = model.getColumnCount();

        for (int i = 0; i < cols; i++) {
            int max = 0;
            for (int j = 0; j < rows; j++) {
                Object obj = table.getValueAt(j, i);
                if (obj == null)
                    continue;

                String tmp = obj.toString();
                if (tmp.length() > max)
                    max = tmp.length();/*from   w  w w  . jav  a2s .c o  m*/
            }

            table.getColumnModel().getColumn(i).setWidth(max + 75);
            table.getTableHeader().setResizingColumn(
                    table.getColumnModel().getColumn(i));
        }
    }
}

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