public function setupFields(Am_Grid_ReadOnly $grid)
{
$fields = array();
//it is special fields and user should not be able to disable or rearrange it
$fieldCheckboxes = null;
$fieldActions = null;
foreach ($grid->getFields() as $field) {
if ($field->getFieldName() == '_actions') {
$fieldActions = $field;
$grid->removeField($field->getFieldName());
continue;
}
if ($field->getFieldName() == '_checkboxes') {
$fieldCheckboxes = $field;
$grid->removeField($field->getFieldName());
continue;
}
$this->addField($field);
$fields[] = $field->getFieldName();
$grid->removeField($field->getFieldName());
}
$this->defaultFields = $fields;
$fields = $this->getSelectedFields();
foreach ($fields as $fieldName) {
if (isset($this->fields[$fieldName])) {
$grid->addField($this->fields[$fieldName]);
}
}
if ($fieldCheckboxes) {
$grid->prependField($fieldCheckboxes);
}
if ($fieldActions) {
$grid->addField($fieldActions);
}
}