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<?php
/**
* Exposed form plugin that provides basic exposed form
*/
class views_plugin_exposed_form_input_required extends views_plugin_exposed_form {
function option_definition() {
$options = parent::option_definition();
$options['text_input_required'] = array('default' => t('Select any filter and click on Apply to see results'), 'translatable' => TRUE);
$options['text_input_required_format'] = array('default' => filter_default_format());
return $options;
}
function options_form(&$form, &$form_state) {
parent::options_form($form, $form_state);
$form['text_input_required'] = array(
'#type' => 'text_format',
'#title' => t('Text on demand'),
'#description' => t('Text to display instead of results until the user selects and applies an exposed filter.'),
'#default_value' => $this->options['text_input_required'],
'#format' => $this->options['text_input_required_format'],
);
}
function options_submit(&$form, &$form_state) {
$form_state['values']['exposed_form_options']['text_input_required_format'] = $form_state['values']['options']['text_input_required']['format'];
parent::options_submit($form, $form_state);
}
function exposed_filter_applied() {
static $cache = NULL;
if (!isset($cache)) {
$view = $this->view;
$exposed_data = $view->exposed_data;
if (is_array($view->filter) && count($view->filter)) {
foreach ($view->filter as $filter_id => $filter) {
if ($filter->is_exposed()) {
$identifier = $filter->options['expose']['identifier'];
if (isset($view->exposed_input[$identifier])) {
$cache = TRUE;
return $cache;
}
}
}
}
$cache = FALSE;
}
return $cache;
}
if (!$this->exposed_filter_applied()) {
Daniel Wehner
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$options = array(
'id' => 'area',
'table' => 'views',
'field' => 'area',
'label' => '',
'relationship' => 'none',
'group_type' => 'group',
'content' => $this->options['text_input_required'],
'format' => $this->options['text_input_required_format'],
);
$handler = views_get_handler('views', 'area', 'area');
$handler->init($this->view, $options);
$this->display->handler->handlers['empty'] = array(
'area' => $handler,
);
$this->display->handler->set_option('empty', array('text' => $options));
}
}
function query() {
if (!$this->exposed_filter_applied()) {
// We return with no query; this will force the empty text.
$this->view->built = TRUE;
$this->view->executed = TRUE;
$this->view->result = array();
}
else {
parent::query();
}