Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 *    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 2 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, write to the Free Software
 *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

import java.awt.Point;
import java.awt.Rectangle;
import javax.swing.JTable;
import javax.swing.JViewport;

public class Main {
    private JTable jtable;

    /** 
     * Assumes table is contained in a JScrollPane.
     * Scrolls the cell (rowIndex, vColIndex) so that it is visible
     * within the viewport.
     */
    public void scrollToVisible(int row, int col) {
        scrollToVisible(getJTable(), row, col);
    }

    /** 
     * Assumes table is contained in a JScrollPane.
     * Scrolls the cell (rowIndex, vColIndex) so that it is visible
     * within the viewport.
     */
    public static void scrollToVisible(JTable table, int row, int col) {
        if (!(table.getParent() instanceof JViewport))
            return;

        JViewport viewport = (JViewport) table.getParent();

        // This rectangle is relative to the table where the
        // northwest corner of cell (0,0) is always (0,0).
        Rectangle rect = table.getCellRect(row, col, true);

        // The location of the viewport relative to the table
        Point pt = viewport.getViewPosition();

        // Translate the cell location so that it is relative
        // to the view, assuming the northwest corner of the
        // view is (0,0)
        rect.setLocation(rect.x - pt.x, rect.y - pt.y);

        // Scroll the area into view
        viewport.scrollRectToVisible(rect);
    }

    /**
     * returns the JTable
     */
    public JTable getJTable() {
        return jtable;
    }
}