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<?php
/**
* @file
* Contains the entity_views_handler_field_entity class.
*/
/**
* A handler to provide proper displays for entities retrieved via data selection.
*
* This handler may only be used in conjunction with data selection based Views
* tables or other base tables using a query plugin that supports data
* selection.
*
* @see entity_views_field_definition()
* @ingroup views_field_handlers
*/
class entity_views_handler_field_entity extends views_handler_field {
/**
* Stores the entity type of the result entities.
*/
public $entity_type;
/**
* Stores the result entities' metadata wrappers.
*/
public $wrappers = array();
/**
* The entity type of the entity displayed by this field.
*/
public $field_entity_type;
/**
* Stores the current value when rendering list fields.
*/
public $current_value;
/**
* Initialize the entity type with the field's entity type.
*/
public function init(&$view, &$options) {
parent::init($view, $options);
$this->field_entity_type = entity_property_extract_innermost_type($this->definition['type']);
}
/**
* Overridden to add the field for the entity ID (if necessary).
*/
public function query() {
EntityFieldHandlerHelper::query($this);
}
/**
* Adds a click-sort to the query.
*/
public function click_sort($order) {
EntityFieldHandlerHelper::click_sort($this, $order);
}
/**
* Load the entities for all rows that are about to be displayed.
*/
public function pre_render(&$values) {
EntityFieldHandlerHelper::pre_render($this, $values);
}
/**
* Overridden to use a metadata wrapper.
*/
public function get_value($values, $field = NULL) {
return EntityFieldHandlerHelper::get_value($this, $values, $field);
}
public function option_definition() {
$options = parent::option_definition();
$options += EntityFieldHandlerHelper::option_definition($this);
$options['display'] = array('default' => 'label');
$options['link_to_entity']['default'] = TRUE;
$options['view_mode'] = array('default' => 'default');
$options['bypass_access'] = array('default' => FALSE);
return $options;
}
public function options_form(&$form, &$form_state) {
parent::options_form($form, $form_state);
EntityFieldHandlerHelper::options_form($this, $form, $form_state);
// We want a different form field at a different place.
unset($form['link_to_entity']);
$options = array(
'label' => t('Show entity label'),
'id' => t('Show entity ID'),
'view' => t('Show complete entity'),
);
$form['display'] = array(
'#type' => 'select',
'#title' => t('Display'),
'#description' => t('Decide how this field will be displayed.'),
'#options' => $options,
'#default_value' => $this->options['display'],
);
$form['link_to_entity'] = array(
'#type' => 'checkbox',
'#title' => t('Link to entity'),
'#description' => t('Link this field to the entity.'),
'#default_value' => $this->options['link_to_entity'],
'#dependency' => array('edit-options-display' => array('label', 'id')),
);
// Stolen from entity_views_plugin_row_entity_view.
$entity_info = entity_get_info($this->field_entity_type);
$options = array();
if (!empty($entity_info['view modes'])) {
foreach ($entity_info['view modes'] as $mode => $settings) {
$options[$mode] = $settings['label'];
}
}
if (count($options) > 1) {
$form['view_mode'] = array(
'#type' => 'select',
'#options' => $options,
'#title' => t('View mode'),
'#default_value' => $this->options['view_mode'],
'#dependency' => array('edit-options-display' => array('view')),
);
}
else {
$form['view_mode'] = array(
'#type' => 'value',
'#value' => $options ? key($options) : 'default',
);
}
$form['bypass_access'] = array(
'#type' => 'checkbox',
'#title' => t('Bypass access checks'),
'#description' => t('If enabled, access permissions for rendering the entity are not checked.'),
'#default_value' => !empty($this->options['bypass_access']),
);
}
public function render($values) {
return EntityFieldHandlerHelper::render($this, $values);
}
/**
* Render a value as a link to the entity if applicable.
*
* @param $value
* The value to render.
* @param $values
* The values for the current row retrieved from the Views query, as an
* object.
*/
public function render_entity_link($entity, $values) {
$type = $this->field_entity_type;
if (!is_object($entity) && isset($entity) && $entity !== FALSE) {
$entity = entity_load_single($type, $entity);
}
if (!$entity) {
return '';
}
$render = $this->render_single_value($entity, $values);
if (!$this->options['link_to_entity'] || $this->options['display'] == 'view') {
return $render;
}
if (is_object($entity) && ($url = entity_uri($type, $entity))) {
return l($render, $url['path'], array('html' => TRUE) + $url['options']);
}
return $render;
}
/**
* Render a single field value.
*/
public function render_single_value($entity, $values) {
$type = $this->field_entity_type;
if (!is_object($entity) && isset($entity) && $entity !== FALSE) {
$entity = entity_load_single($type, $entity);
}
// Make sure the entity exists and access is either given or bypassed.
if (!$entity || !(!empty($this->options['bypass_access']) || entity_access('view', $type, $entity))) {
return '';
}
if ($this->options['display'] === 'view') {
$entity_view = entity_view($type, array($entity), $this->options['view_mode']);
return render($entity_view);
}
if ($this->options['display'] == 'label') {
$value = entity_label($type, $entity);
}
// Either $options[display] == 'id', or we have no label.
if (empty($value)) {
$value = entity_id($type, $entity);
}
$value = $this->sanitize_value($value);
return $value;
}
}
|
