/**
* Returns the fields for the given context.
* If the item is an object the returned fields do have an additional field
* "value" which represents the value for the given item. If the item has a
* catid field, then additionally fields which belong to that category will
* be returned.
* Should the value being prepared to be shown in a HTML context
* prepareValue must be set to true. Then no further escaping needs to be
* don.
*
* @param string $context
* @param stdClass $item
* @param boolean $prepareValue
* @return array
*/
public static function getFields($context, $item = null, $prepareValue = false)
{
if (self::$fieldsCache === null) {
// Load the model
JLoader::import('joomla.application.component.model');
JModelLegacy::addIncludePath(JPATH_ADMINISTRATOR . '/components/com_dpfields/models', 'DPFieldsModel');
self::$fieldsCache = JModelLegacy::getInstance('Fields', 'DPFieldsModel', array('ignore_request' => true));
self::$fieldsCache->setState('filter.published', 1);
self::$fieldsCache->setState('filter.language', JFactory::getLanguage()->getTag());
self::$fieldsCache->setState('list.limit', 0);
}
self::$fieldsCache->setState('filter.context', $context);
if (is_array($item)) {
$item = (object) $item;
}
// If item has catid parameter display only fields which belong to the
// category
if ($item && (isset($item->catid) || isset($item->dpfieldscatid))) {
$catids = isset($item->catid) ? $item->catid : $item->dpfieldscatid;
self::$fieldsCache->setState('filter.catid', is_array($catids) ? $catids : explode(',', $catids));
}
$fields = self::$fieldsCache->getItems();
if ($item && isset($item->id)) {
if (self::$fieldCache === null) {
self::$fieldCache = JModelLegacy::getInstance('Field', 'DPFieldsModel', array('ignore_request' => true));
}
$new = array();
foreach ($fields as $key => $original) {
// Doing a clone, otherwise fields for different items will
// always reference to the same object
$field = clone $original;
$field->value = self::$fieldCache->getFieldValue($field->id, $field->context, $item->id);
if (!$field->value) {
$field->value = $field->default_value;
}
$field->rawvalue = $field->value;
if ($prepareValue) {
$type = self::loadTypeObject($field->type, $field->context);
if ($type) {
$field->value = $type->prepareValueForDisplay($field->value, $field);
}
}
$new[$key] = $field;
}
$fields = $new;
}
return $fields;
}
