Here you can find the source of getLastVisibleRowIndex(JTable table)
public static int getLastVisibleRowIndex(JTable table)
//package com.java2s; /*/*from w ww . j a v a 2 s .c o m*/ * Copyright (c) 2009 Albert Kurucz. * * This file, Util.java is part of JTStand. * * JTStand is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * JTStand 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 General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with GTStand. If not, see <http://www.gnu.org/licenses/>. */ import java.awt.ComponentOrientation; import java.awt.Rectangle; import javax.swing.JTable; public class Main { /** * Returns the row index of the last visible row. */ public static int getLastVisibleRowIndex(JTable table) { ComponentOrientation or = table.getComponentOrientation(); Rectangle r = table.getVisibleRect(); r.translate(0, (int) r.getHeight() - 1); if (or.isLeftToRight()) { r.translate((int) r.getWidth() - 1, 0); // The next if makes sure that we don't return -1 simply because // there is white space at the bottom of the table (ie, the display // area is larger than the table) } if (table.rowAtPoint(r.getLocation()) == -1) { if (getFirstVisibleRowIndex(table) == -1) { return -1; } else { return table.getModel().getRowCount() - 1; } } return table.rowAtPoint(r.getLocation()); } /** * Returns the row index of the last visible row. */ public static int getFirstVisibleRowIndex(JTable table) { ComponentOrientation or = table.getComponentOrientation(); Rectangle r = table.getVisibleRect(); if (!or.isLeftToRight()) { r.translate((int) r.getWidth() - 1, 0); } return table.rowAtPoint(r.getLocation()); } }