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<?php
/**
* @file
* TimelineJS module.
*/
/**
* Implements hook_node_view().
*/
function timelinejs_node_view($node, $view_mode, $langcode) {
if ($node->type == 'timeline' && $view_mode == 'full') {
$node->content['timeline']['#markup'] = timelinejs($node->nid);
$node->content['timeline']['#weight'] = -1;
}
}
/**
* Implements hook_menu()
*/
function timelinejs_menu() {
$items['timelinejs/json'] = array(
'page callback' => 'timelinejs_json',
'access arguments' => array('access content'),
'type' => MENU_CALLBACK,
);
$items['timeline'] = array(
'page callback' => 'timelinejs',
'access arguments' => array('access content'),
'type' => MENU_CALLBACK,
);
return $items;
}
/**
* Implements hook_theme()
*/
function timelinejs_theme($existing, $type, $theme, $path) {
return array(
'timelinejs' => array(
'template' => 'timelinejs',
'variables' => array(
'width' => NULL,
'height' => NULL,
'source' => NULL,
'start_at_end' => 'false',
'hash_bookmark' => 'true',
'css' => NULL,
'js' => '/sites/all/libraries/timelinejs/compiled/js/timeline.js',
'lang' => NULL,
),
),
'timelinejs_json' => array(
'template' => 'timelinejs_json',
'variables' => array('headline', 'date', 'text', 'media', 'events'),
),
'timelinejs_json_event' => array(
'template' => 'timelinejs_json_event',
'variables' => array('event'),
),
);
}
/**
* Get a score nid from a timeline nid.
*/
function timelinejs_load_events($nid) {
$query = db_select('field_data_field_timeline', 't');
// Basic query.
$query
->fields('t', array('entity_id'))
->condition('t.bundle', 'event')
->condition('t.field_timeline_target_id', $nid, '=');
$result = $query->execute();
return $result->fetchAll();
}
/**
* Menu callback.
*/
function timelinejs_json($nid) {
// Sanitization and basic data.
$nid = (int) $nid;
$timeline = node_load($nid);
$nodes = timelinejs_load_events($nid);
foreach ($nodes as $node) {
$items[] = node_load($node->entity_id);
}
if (empty($items)) {
$items[0] = new stdClass();
$items[0]->field_date['und'][0]['value'] = NULL;
$items[0]->title = t('No items');
$items[0]->body['und'][0]['value'] = t('Currently there are no items in this timeline.');
}
foreach ($items as $event) {
$output[] = theme('timelinejs_json_event', array('event' => $event));
$events = implode(',', $output);
}
$text = $media = NULL;
$headline = $timeline->title;
$date = NULL;
print theme('timelinejs_json', array(
'headline' => $headline,
'date' => $date,
'text' => $text,
'media' => $media,
'events' => $events,
));
# Avoid themable output.
exit;
}
/**
* Menu callback.
*/
function timelinejs($nid, $width = '960px', $height = '500px') {
global $language;
global $theme;
$path = drupal_get_path('theme', $theme);
$css = (file_exists($path .'/timeline.css')) ? '/'. $path .'/timeline.css' : NULL;
return theme('timelinejs', array(
'width' => $width,
'height' => $height,
'source' => '/timelinejs/json/'. (int) $nid,
'css' => $css,
'lang' => '/sites/all/libraries/timelinejs/compiled/js/locale/'. $language->language .'.js',
));
}
|
