function faq_page in Frequently Asked Questions 7
Same name and namespace in other branches
- 5.2 faq.module \faq_page()
- 5 faq.module \faq_page()
- 6 faq.module \faq_page()
Function to display the faq page.
Parameters
int $tid: Default is 0, determines if the questions and answers on the page will be shown according to a category or non-categorized.
string $faq_display: Optional parameter to override default question layout setting.
string $category_display: Optional parameter to override default category layout setting.
Return value
string|NULL The output variable which contains an HTML formatted page with FAQ questions and answers.
1 call to faq_page()
- _faq_faq_page_filter_replacer in ./
faq.module - Helper function for faq input filter.
1 string reference to 'faq_page'
- faq_menu in ./
faq.module - Implements hook_menu().
File
- ./
faq.module, line 414 - The FAQ module allows users to create a FAQ page, with questions and answers displayed in different styles, according to the settings.
Code
function faq_page($tid = 0, $faq_display = '', $category_display = '') {
if (module_exists('pathauto')) {
module_load_include('inc', 'pathauto');
}
$faqpath = _faq_path();
// Things to provide translations for.
$default_values = array(
t('Frequently Asked Questions'),
t('Back to Top'),
t('Q:'),
t('A:'),
);
$output = $output_answers = '';
drupal_add_css(drupal_get_path('module', 'faq') . '/faq.css');
if (arg(0) == $faqpath) {
drupal_set_title(t(variable_get('faq_title', 'Frequently Asked Questions')));
}
if (!module_exists("taxonomy")) {
$tid = 0;
}
// Configure the breadcrumb trail.
if (!empty($tid) && ($current_term = taxonomy_term_load($tid))) {
if (variable_get('faq_auto_generate_alias', TRUE) && !drupal_lookup_path('alias', arg(0) . '/' . $tid) && module_exists('pathauto')) {
$alias = pathauto_create_alias('faq', 'insert', arg(0) . '/' . arg(1), array(
'term' => $current_term,
));
if ($alias) {
drupal_goto($alias['alias']);
}
}
if (drupal_match_path($_GET['q'], $faqpath . '/*')) {
faq_set_breadcrumb($current_term);
}
}
if (empty($faq_display)) {
$faq_display = variable_get('faq_display', 'questions_top');
}
$use_categories = variable_get('faq_use_categories', FALSE);
if (!empty($category_display)) {
$use_categories = TRUE;
}
else {
$category_display = variable_get('faq_category_display', 'categories_inline');
}
if (!module_exists("taxonomy")) {
$use_categories = FALSE;
}
$faq_path = drupal_get_path('module', 'faq') . '/includes';
if ($use_categories && $category_display == 'hide_qa' || $faq_display == 'hide_answer') {
drupal_add_js(array(
'faq' => array(
'faq_hide_qa_accordion' => variable_get('faq_hide_qa_accordion', FALSE),
),
), array(
'type' => 'setting',
'scope' => JS_DEFAULT,
));
drupal_add_js(array(
'faq' => array(
'faq_category_hide_qa_accordion' => variable_get('faq_category_hide_qa_accordion', FALSE),
),
), array(
'type' => 'setting',
'scope' => JS_DEFAULT,
));
drupal_add_js(drupal_get_path('module', 'faq') . '/faq.js');
}
// Non-categorized questions and answers.
if (!$use_categories || $category_display == 'none' && empty($tid)) {
if (!empty($tid)) {
drupal_not_found();
return;
}
$default_sorting = variable_get('faq_default_sorting', 'DESC');
$query = db_select('node', 'n');
$weight_alias = $query
->leftJoin('faq_weights', 'w', '%alias.nid=n.nid');
$query
->addTag('node_access')
->fields('n', array(
'nid',
))
->condition('n.type', 'faq')
->condition('n.status', 1)
->condition(db_or()
->condition("{$weight_alias}.tid", 0)
->isNull("{$weight_alias}.tid"));
$default_weight = 0;
if ($default_sorting == 'ASC') {
$default_weight = 1000000;
}
// Works, but involves variable concatenation - safe though, since
// $default_weight is an integer.
$query
->addExpression("COALESCE(w.weight, {$default_weight})", 'effective_weight');
// @codingStandardsIgnoreStart
// @todo Doesn't work in Postgres.
//$query->addExpression('COALESCE(w.weight, CAST(:default_weight as SIGNED))', 'effective_weight', array(':default_weight' => $default_weight));
// @codingStandardsIgnoreEnd
$query
->orderBy('effective_weight', 'ASC')
->orderBy('n.sticky', 'DESC');
if ($default_sorting == 'ASC') {
$query
->orderBy('n.created', 'ASC');
}
else {
$query
->orderBy('n.created', 'DESC');
}
if (module_exists('i18n_select')) {
$query
->condition('n.language', i18n_select_langcodes());
}
// Only need the nid column.
$nids = $query
->execute()
->fetchCol();
$data = node_load_multiple($nids);
switch ($faq_display) {
case 'questions_top':
include_once DRUPAL_ROOT . '/' . $faq_path . '/faq.questions_top.inc';
$output = theme('faq_questions_top', array(
'data' => $data,
));
break;
case 'hide_answer':
include_once DRUPAL_ROOT . '/' . $faq_path . '/faq.hide_answer.inc';
$output = theme('faq_hide_answer', array(
'data' => $data,
));
break;
case 'questions_inline':
include_once DRUPAL_ROOT . '/' . $faq_path . '/faq.questions_inline.inc';
$output = theme('faq_questions_inline', array(
'data' => $data,
));
break;
case 'new_page':
include_once DRUPAL_ROOT . '/' . $faq_path . '/faq.new_page.inc';
$output = theme('faq_new_page', array(
'data' => $data,
));
break;
}
}
else {
$hide_child_terms = variable_get('faq_hide_child_terms', FALSE);
// If we're viewing a specific category/term.
if (!empty($tid)) {
if ($term = taxonomy_term_load($tid)) {
$title = t(variable_get('faq_title', 'Frequently Asked Questions'));
if (arg(0) == 'faq-page' && is_numeric(arg(1))) {
drupal_set_title($title . ($title ? ' - ' : '') . faq_tt("taxonomy:term:{$term->tid}:name", $term->name));
}
_display_faq_by_category($faq_display, $category_display, $term, 0, $output, $output_answers);
return theme('faq_page', array(
'content' => $output,
'answers' => $output_answers,
));
}
else {
drupal_not_found();
return;
}
}
$list_style = variable_get('faq_category_listing', 'ul');
$vocabularies = taxonomy_get_vocabularies('faq');
$vocab_omit = variable_get('faq_omit_vocabulary', array());
$items = array();
$vocab_items = array();
$valid_vocab = FALSE;
foreach ($vocabularies as $vid => $vobj) {
if (isset($vocab_omit[$vid]) && $vocab_omit[$vid] != 0) {
continue;
}
$valid_vocab = TRUE;
if ($category_display == 'new_page') {
$vocab_items = _get_indented_faq_terms($vid, 0);
$items = array_merge($items, $vocab_items);
}
else {
if ($hide_child_terms && $category_display == 'hide_qa') {
$tree = taxonomy_get_tree($vid, 0, 1, TRUE);
}
else {
$tree = taxonomy_get_tree($vid, 0, NULL, TRUE);
}
if (function_exists('i18n_taxonomy_localize_terms')) {
$tree = i18n_taxonomy_localize_terms($tree);
}
foreach ($tree as $term) {
switch ($category_display) {
case 'hide_qa':
case 'categories_inline':
if (faq_taxonomy_term_count_nodes($term->tid)) {
_display_faq_by_category($faq_display, $category_display, $term, 1, $output, $output_answers);
}
break;
}
}
}
}
if ($category_display == "new_page") {
$output = theme('item_list', array(
'items' => $items,
'title' => NULL,
'type' => $list_style,
));
}
if (!$valid_vocab) {
drupal_set_message(t('Categories are enabled but no vocabulary is associated with the FAQ content type. Either create a vocabulary or disable categorization in order for questions to appear.'), 'error');
}
}
$faq_description_default = array(
'value' => '',
'format' => filter_fallback_format(),
);
$faq_description = variable_get('faq_description', $faq_description_default);
$format = $faq_description['format'];
if ($format) {
$description = check_markup($faq_description['value'], $format);
}
else {
$description = check_plain($faq_description['value']);
}
return theme('faq_page', array(
'content' => $output,
'answers' => $output_answers,
'description' => $description,
));
}