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<?php
function term_reference_tree_field_formatter_info() {
return array(
'term_reference_tree' => array(
'label' => t('Term reference tree'),
'field types' => array(
'taxonomy_term_reference',
),
'settings' => array(
'token_display_selected' => '',
'token_display_unselected' => '',
),
),
);
}
function term_reference_tree_field_formatter_view($entity_type, $entity, $field, $instance, $langcode, $items, $display) {
$element = array();
switch ($display['type']) {
case 'term_reference_tree':
if (!empty($items)) {
$element[] = array(
'#theme' => 'term_tree_list',
'#data' => $items,
'#display' => $display,
'#attached' => array(
'css' => array(
drupal_get_path('module', 'term_reference_tree') . '/term_reference_tree.css',
),
),
);
}
break;
}
return $element;
}
function term_reference_tree_field_formatter_settings_form($field, $instance, $view_mode, $form, &$form_state) {
$display = $instance['display'][$view_mode];
$settings = $display['settings'];
$element = array();
if ($display['type'] == 'term_reference_tree' && module_exists('token')) {
$element['token_display_selected'] = array(
'#type' => 'textarea',
'#title' => t('Custom Term Label'),
'#description' => t("Use tokens to change the term label. Leave this field blank to use the term name linked to its taxonomy page."),
'#default_value' => $settings['token_display_selected'],
);
$element['token_display_unselected'] = array(
'#type' => 'textarea',
'#title' => t('Custom Term Label (unselected)'),
'#description' => t("Use tokens to change the term label for unselected parent terms. Leave this field blank to use the same tokens as above."),
'#default_value' => $settings['token_display_unselected'],
);
$element['tokens_list'] = array(
'#theme' => 'token_tree',
'#token_types' => array(
'term',
),
);
}
return $element;
}
function term_reference_tree_field_formatter_settings_summary($field, $instance, $view_mode) {
$display = $instance['display'][$view_mode];
$settings = $display['settings'];
$summary = '';
if ($display['type'] == 'term_reference_tree') {
$summary = t('Uses tokens: ') . ($settings['token_display_selected'] != '' ? t('Yes') : t('No'));
}
return $summary;
}