/**
* Add cell by specifying column key and value
*
* @param string $columnKey
* @param string|HtmlElement $value
* @return HtmlElement
* @throws Exception
*/
public function addCell($columnKey, $value = null)
{
if ($this->existsCell($columnKey)) {
throw new Exception('cell "' . $columnKey . '" already exists.');
}
$cell = new HtmlElement($this->_cellTagName);
$cell->setIsReturnInner(false);
$attrs = $this->_parentTable->getColumnAttributes($columnKey);
if ($attrs) {
$cell->setAttributes($attrs);
}
if ($value !== null) {
$nodes = $value;
if (!is_array($value)) {
$nodes = array($value);
}
$cell->addNodes($nodes);
}
$this->_addCellElement($columnKey, $cell);
return $cell;
}
