Here you can find the source of getLeadingRow(JTable table, Rectangle visibleRect)
private static int getLeadingRow(JTable table, Rectangle visibleRect)
//package com.java2s; /*/*from w w w . j a v a2 s. co m*/ * Copyright 2000-2014 JetBrains s.r.o. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import javax.swing.*; import java.awt.*; public class Main { private static int getLeadingRow(JTable table, Rectangle visibleRect) { return table.rowAtPoint(getLeadingPoint(table, visibleRect)); } private static Point getLeadingPoint(JTable table, Rectangle visibleRect) { if (table.getComponentOrientation().isLeftToRight()) { return new Point(visibleRect.x, visibleRect.y); } else { return new Point(visibleRect.x + visibleRect.width, visibleRect.y); } } }