Example Depot

// Check if the cell (1,2) is completely visible int rowIndex = 1; int vColIndex = 2; isCellVisible(table, rowIndex, vColIndex); // Assumes table is contained in a JScrollPane. Returns true iff the // cell (rowIndex, vColIndex) is completely visible within the viewport. public boolean isCellVisible(JTable table, int rowIndex, int vColIndex) { if (!(table.getParent() instanceof JViewport)) { return false; } 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); // Check if view completely contains cell return new Rectangle(viewport.getExtentSize()).contains(rect); }