protected void paintGrid(Graphics g, int rowMin, int rowMax, int colMin, int colMax) {
if (!grid.getShowGrid()) {
return; // do nothing
}
int y1 = grid.getRowPosition(rowMin);
int y2 = grid.getRowPosition(rowMax) + grid.getRowHeight(rowMax);
int x1 = grid.getColumnPosition(colMin);
int x2 = grid.getColumnPosition(colMax) + grid.getColumnWidth(colMax);
g.setColor(grid.getGridColor());
// Draw the horizontal lines
for (int row = rowMin; row <= rowMax; row++) {
int rowY = grid.getRowPosition(row);
g.drawLine(x1, rowY, x2, rowY);
}
g.drawLine(x1, y2, x2, y2);
// Draw the vertical gridlines
for (int col = colMin; col <= colMax; col++) {
int colX = grid.getColumnPosition(col);
g.drawLine(colX, y1, colX, y2);
}
g.drawLine(x2, y1, x2, y2);
}
/** 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);
}
}
}
}