Example Depot

// Make the cell (1,2) is appear in the center of the view int rowIndex = 1; int vColIndex = 2; scrollToCenter(table, rowIndex, vColIndex); // Assumes table is contained in a JScrollPane. Scrolls the // cell (rowIndex, vColIndex) so that it is visible at the center of viewport. public void scrollToCenter(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 view relative to the table Rectangle viewRect = viewport.getViewRect(); // 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-viewRect.x, rect.y-viewRect.y); // Calculate location of rect if it were at the center of view int centerX = (viewRect.width-rect.width)/2; int centerY = (viewRect.height-rect.height)/2; // Fake the location of the cell so that scrollRectToVisible // will move the cell to the center if (rect.x < centerX) { centerX = -centerX; } if (rect.y < centerY) { centerY = -centerY; } rect.translate(centerX, centerY); // Scroll the area into view. viewport.scrollRectToVisible(rect); }