/**
* @param string $name
* @return Button
* @throws DuplicateButtonException
*/
protected function addButton($name, $label = NULL)
{
if ($name == self::ROW_FORM) {
$button = new Button($this['buttons'], $name);
$self = $this;
$primaryKey = $this->primaryKey;
$button->setLink(function ($row) use($self, $primaryKey) {
return $self->link("showRowForm!", $row[$primaryKey]);
});
} else {
if (!empty($this['buttons']->components[$name])) {
throw new DuplicateButtonException("Button {$name} already exists.");
}
$button = new Button($this['buttons'], $name);
}
$button->setLabel($label);
return $button;
}
