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<?php
// $Id$
/**
* @file
* Contains the basic 'node' field handler.
*/
/**
* Field handler to provide simple renderer that allows linking to a node.
*/
class views_handler_field_node extends views_handler_field {
/**
* Constructor to provide additional field to add.
*/
function construct() {
parent::construct();
$this->additional_fields['nid'] = array('table' => 'node', 'field' => 'nid');
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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' => TRUE);
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return $options;
}
/**
* Provide link to node option
*/
function options_form(&$form, &$form_state) {
parent::options_form($form, $form_state);
$form['link_to_node'] = array(
'#title' => t('Link this field to its node'),
'#description' => t('This will override any other link you have set.'),
'#type' => 'checkbox',
'#default_value' => !empty($this->options['link_to_node']),
);
}
/**
* 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'])) {
if ($data !== NULL && $data !== '') {
$this->options['alter']['make_link'] = TRUE;
$this->options['alter']['path'] = "node/" . $values->{$this->aliases['nid']};
if (isset($this->aliases['language'])) {
$languages = language_list();
if (isset($languages[$values->{$this->aliases['language']}])) {
$this->options['alter']['language'] = $languages[$values->{$this->aliases['language']}];
}
else {
unset($this->options['alter']['language']);
}
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}
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}
else {
$this->options['alter']['make_link'] = FALSE;
}
}
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return $data;
}
function render($values) {
return $this->render_link(check_plain($values->{$this->field_alias}), $values);
}
}