scroll JTable Cell To Visible - Java Swing

Java examples for Swing:JTable Scroll

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Description

scroll JTable Cell To Visible

Demo Code


//package com.java2s;
import javax.swing.*;

import java.awt.*;

public class Main {
    /**//from   ww w.  j av a2  s . c  o  m
     * This comes from http://www.exampledepot.com/egs/javax.swing.table/Vis.html
     * which is part of http://www.exampledepot.com/egs/javax.swing.table/pkg.html
     * 
     * @param table
     * @param rowIndex
     * @param vColIndex
     */
    public static void scrollToVisible(JTable table, int rowIndex,
            int vColIndex) {
        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(rowIndex, vColIndex, 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);
    }
}

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