private void paintBorder(Graphics g, Rectangle cellRect, int row, int column) { if (grid.getSpanModel().isCellSpan(row, column)) { CellSpan span = grid.getSpanModel().getSpanOver(row, column); row = span.getRow(); column = span.getColumn(); } // Paint border javax.swing.border.Border border = grid.getStyleModel().getCellStyle(row, column).getBorder(); Insets borderInsets = border.getBorderInsets(grid); Rectangle borderRect = new Rectangle(cellRect); int topOffset = (borderInsets.top >> 1); int leftOffset = (borderInsets.left >> 1); int bottomOffset = (borderInsets.bottom / 3) + topOffset; int rightOffset = (borderInsets.right / 3) + leftOffset; borderRect.x -= leftOffset; borderRect.y -= topOffset; borderRect.width += rightOffset; borderRect.height += bottomOffset; border.paintBorder(grid, g, borderRect.x, borderRect.y, borderRect.width, borderRect.height); }
/** special paint handler for merged cell regions */ protected void paintSpans(Graphics g, int rowMin, int rowMax, int colMin, int colMax) { Rectangle clip = g.getClipBounds(); Iterator cell = grid.getSpanModel().getSpanIterator(); while (cell.hasNext()) { CellSpan span = (CellSpan) cell.next(); Rectangle cellBounds = grid.getCellBounds(span.getRow(), span.getColumn()); // Only paint cell if visible if (span.getLastRow() >= rowMin && span.getLastColumn() >= colMin && span.getFirstRow() <= rowMax && span.getFirstColumn() <= colMax) { paintCell(g, cellBounds, span.getRow(), span.getColumn()); // Paint grid line around cell if (grid.getShowGrid()) { g.setColor(grid.getGridColor()); g.drawRect(cellBounds.x, cellBounds.y, cellBounds.width, cellBounds.height); } } } }