ensure_my_table();
// Add the field.
$this->query->add_orderby($this->table_alias, $this->real_field, $this->options['order']);
}
function option_definition() {
$options = parent::option_definition();
$options['order'] = array('default' => 'ASC');
$options['exposed'] = array('default' => FALSE);
$options['expose'] = array(
'contains' => array(
'label' => array('default' => '', 'translatable' => TRUE),
),
);
return $options;
}
/**
* Display whether or not the sort order is ascending or descending
*/
function admin_summary() {
if (!empty($this->options['exposed'])) {
return t('Exposed');
}
switch ($this->options['order']) {
case 'ASC':
case 'asc':
default:
return t('asc');
break;
case 'DESC';
case 'desc';
return t('desc');
break;
}
}
/**
* Basic options for all sort criteria
*/
function options_form(&$form, &$form_state) {
parent::options_form($form, $form_state);
if ($this->can_expose()) {
$this->show_expose_button($form, $form_state);
}
$form['op_val_start'] = array('#value' => '');
$this->show_sort_form($form, $form_state);
$form['op_val_end'] = array('#value' => '
');
if ($this->can_expose()) {
$this->show_expose_form($form, $form_state);
}
}
/**
* Simple validate handler
*/
function options_validate(&$form, &$form_state) {
$this->sort_validate($form, $form_state);
if (!empty($this->options['exposed'])) {
$this->expose_validate($form, $form_state);
}
}
/**
* Simple submit handler
*/
function options_submit(&$form, &$form_state) {
unset($form_state['values']['expose_button']); // don't store this.
$this->sort_submit($form, $form_state);
if (!empty($this->options['exposed'])) {
$this->expose_submit($form, $form_state);
}
}
/**
* Shortcut to display the value form.
*/
function show_sort_form(&$form, &$form_state) {
$options = $this->sort_options();
if (!empty($options)) {
$form['order'] = array(
'#type' => 'radios',
'#options' => $options,
'#default_value' => $this->options['order'],
);
}
}
function sort_validate(&$form, &$form_state) { }
function sort_submit(&$form, &$form_state) { }
/**
* Provide a list of options for the default sort form.
* Should be overridden by classes that don't override sort_form
*/
function sort_options() {
return array(
'ASC' => t('Sort ascending'),
'DESC' => t('Sort descending'),
);
}
/**
* Since all exposed sorts are grouped into one select box.
* We don't return nothing when views call to exposed_form()
*/
function exposed_form(&$form, &$form_state) { }
/**
* Handle the 'left' side fo the exposed options form.
*/
function expose_form_left(&$form, &$form_state) {
$form['expose']['label'] = array(
'#type' => 'textfield',
'#default_value' => $this->options['expose']['label'],
'#title' => t('Label'),
'#required' => TRUE,
'#size' => 40,
);
}
/**
* Handle the 'right' side fo the exposed options form.
*/
function expose_form_right(&$form, &$form_state) {
$form['expose']['order'] = array(
'#type' => 'value',
'#value' => 'ASC',
);
}
/**
* Provide default options for exposed sorts.
*/
function expose_options() {
$this->options['expose'] = array(
'order' => $this->options['order'],
'label' => $this->ui_name(),
);
}
}
/**
* A special handler to take the place of missing or broken handlers.
*/
class views_handler_sort_broken extends views_handler_sort {
function ui_name($short = FALSE) {
return t('Broken/missing handler');
}
function ensure_my_table() { /* No table to ensure! */ }
function query() { /* No query to run */ }
function options_form(&$form, &$form_state) {
$form['markup'] = array(
'#prefix' => '',
'#value' => t('The handler for this item is broken or missing and cannot be used. If a module provided the handler and was disabled, re-enabling the module may restore it. Otherwise, you should probably delete this item.'),
);
}
/**
* Determine if the handler is considered 'broken'
*/
function broken() { return TRUE; }
}
/**
* @}
*/