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<?php
/**
* @file
* Contains the basic 'node' field handler.
*/
/**
* Field handler to provide simple renderer that allows linking to a node.
* Definition terms:
* - link_to_node default: Should this field have the checkbox "link to node" enabled by default.
*
* @ingroup views_field_handlers
*/
class views_handler_field_node extends views_handler_field {
function init(&$view, &$options) {
parent::init($view, $options);
// Don't add the additional fields to groupby
if (!empty($this->options['link_to_node'])) {
$this->additional_fields['nid'] = array('table' => 'node', 'field' => 'nid');
if (module_exists('translation')) {
$this->additional_fields['language'] = array('table' => 'node', 'field' => 'language');
}
}
}
function option_definition() {
$options = parent::option_definition();
$options['link_to_node'] = array('default' => isset($this->definition['link_to_node default']) ? $this->definition['link_to_node default'] : FALSE, 'bool' => TRUE);
return $options;
}
/**
* Provide link to node option
*/
function options_form(&$form, &$form_state) {
$form['link_to_node'] = array(
'#title' => t('Link this field to the original piece of content'),
'#description' => t("Enable to override this field's links."),
'#type' => 'checkbox',
'#default_value' => !empty($this->options['link_to_node']),
);
parent::options_form($form, $form_state);
}
/**
* Render whatever the data is as a link to the node.
*
* Data should be made XSS safe prior to calling this function.
*/
function render_link($data, $values) {
if (!empty($this->options['link_to_node']) && !empty($this->additional_fields['nid'])) {
if ($data !== NULL && $data !== '') {
$this->options['alter']['make_link'] = TRUE;
$this->options['alter']['path'] = "node/" . $this->get_value($values, 'nid');
if (isset($this->aliases['language'])) {
$languages = language_list();
$language = $this->get_value($values, 'language');
if (isset($languages[$language])) {
$this->options['alter']['language'] = $languages[$language];
}
else {
unset($this->options['alter']['language']);
}
}
}
else {
$this->options['alter']['make_link'] = FALSE;
}
}
return $data;
}
function render($values) {
$value = $this->get_value($values);
return $this->render_link($this->sanitize_value($value), $values);
}
}
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