/*
This file is part of JNesBR.
JNesBR 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 3 of the License, or
(at your option) any later version.
JNesBR 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 JNesBR. If not, see .
*/
//package jnesbr.util;
import java.awt.Rectangle;
import javax.swing.JTable;
import javax.swing.JViewport;
/**
* @author dreampeppers99
*/
public class JTableHelper {
public static void scrollToCenter(JTable table, int rowIndex, int vColIndex) {
if (!(table.getParent() instanceof JViewport)) {
return;
}
JViewport viewport = (JViewport) table.getParent();
Rectangle rect = table.getCellRect(rowIndex, vColIndex, true);
Rectangle viewRect = viewport.getViewRect();
rect.setLocation(rect.x - viewRect.x, rect.y - viewRect.y);
int centerX = (viewRect.width - rect.width) / 2;
int centerY = (viewRect.height - rect.height) / 2;
if (rect.x < centerX) {
centerX = -centerX;
}
if (rect.y < centerY) {
centerY = -centerY;
}
rect.translate(centerX, centerY);
viewport.scrollRectToVisible(rect);
}
}