views_handler_field_contextual_links.inc
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<?php
/**
* @file
* Definition of views_handler_field_contextual_links.
*/
/**
* Provides a handler that adds contextual links.
*
* @ingroup views_field_handlers
*/
class views_handler_field_contextual_links extends views_handler_field {
function option_definition() {
$options = parent::option_definition();
$options['fields'] = array('default' => array());
$options['destination'] = array('default' => TRUE, 'bool' => TRUE);
return $options;
}
function options_form(&$form, &$form_state) {
$all_fields = $this->view->display_handler->get_field_labels();
// Offer to include only those fields that follow this one.
$field_options = array_slice($all_fields, 0, array_search($this->options['id'], array_keys($all_fields)));
$form['fields'] = array(
'#type' => 'checkboxes',
'#title' => t('Fields'),
'#description' => t('Fields to be included as contextual links.'),
'#options' => $field_options,
'#default_value' => $this->options['fields'],
);
$form['destination'] = array(
'#type' => 'checkbox',
'#title' => t('Include destination'),
'#description' => t('Include a "destination" parameter in the link to return the user to the original view upon completing the contextual action.'),
'#default_value' => $this->options['destination'],
);
}
function pre_render(&$values) {
// Add a row plugin css class for the contextual link.
$class = 'contextual-links-region';
if (!empty($this->view->style_plugin->options['row_class'])) {
$this->view->style_plugin->options['row_class'] .= " $class";
}
else {
$this->view->style_plugin->options['row_class'] = $class;
}
}
/**
* Render the contextual fields.
*/
function render($values) {
$links = array();
foreach ($this->options['fields'] as $field) {
if (empty($this->view->style_plugin->rendered_fields[$this->view->row_index][$field])) {
continue;
}
$title = $this->view->field[$field]->last_render_text;
$path = '';
if (!empty($this->view->field[$field]->options['alter']['path'])) {
$path = $this->view->field[$field]->options['alter']['path'];
}
if (!empty($title) && !empty($path)) {
// Make sure that tokens are replaced for this paths as well.
$tokens = $this->get_render_tokens(array());
$path = strip_tags(decode_entities(strtr($path, $tokens)));
$links[$field] = array(
'href' => $path,
'title' => $title,
);
if (!empty($this->options['destination'])) {
$links[$field]['query'] = drupal_get_destination();
}
}
}
if (!empty($links)) {
$build = array(
'#prefix' => '<div class="contextual-links-wrapper">',
'#suffix' => '</div>',
'#theme' => 'links__contextual',
'#links' => $links,
'#attributes' => array('class' => array('contextual-links')),
'#attached' => array(
'library' => array(array('contextual', 'contextual-links')),
),
'#access' => user_access('access contextual links'),
);
return drupal_render($build);
}
else {
return '';
}
}
function query() { }
}