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<?php
// $Id$
/**
* Field handler to provide a list of items.
*
* The items are expected to be loaded by a child object during pre_render,
* and 'my field' is expected to be the pointer to the items in the list.
*
* Items to render should be in a list in $this->items
*
* @ingroup views_field_handlers
*/
class views_handler_field_prerender_list extends views_handler_field {
function option_definition() {
$options = parent::option_definition();
$options['type'] = array('default' => 'separator');
$options['separator'] = array('default' => ', ');
$options['empty'] = array('default' => '', 'translatable' => TRUE);
return $options;
}
function options_form(&$form, &$form_state) {
parent::options_form($form, $form_state);
$form['type'] = array(
'#type' => 'radios',
'#title' => t('Display type'),
'#options' => array(
'ul' => t('Unordered list'),
'ol' => t('Ordered list'),
'separator' => t('Simple separator'),
),
'#default_value' => $this->options['type'],
);
$form['separator'] = array(
'#type' => 'textfield',
'#title' => t('Separator'),
'#default_value' => $this->options['separator'],
'#process' => array('views_process_dependency'),
'#dependency' => array('radio:options[type]' => array('separator')),
);
$form['empty'] = array(
'#type' => 'textfield',
'#title' => t('Empty list text'),
'#default_value' => $this->options['empty'],
'#description' => t('If the list is empty, you may enter text here that will be displayed.'),
);
}
function render($values) {
$field = $values->{$this->field_alias};
if (!empty($this->items[$field])) {
if ($this->options['type'] == 'separator') {
return implode(check_plain($this->options['separator']), $this->items[$field]);
}
else {
return theme('item_list', $this->items[$field], NULL, $this->options['type']);
}
}
else if (!empty($this->options['empty'])) {
return $this->options['empty'];
}
}
}