def render_header(self):
results = ['<tr>']
for column in itervalues(self._fields):
results.append(column.render_header())
results.append('</tr>')
return HTMLString(''.join(results))
def render_row(self, row):
tds = ['<tr>']
for column in itervalues(self._fields):
tds.append(column.render(row))
tds.append('</tr>')
return HTMLString(''.join(tds))
def __iter__(self):
return iter(itervalues(self._fields))