/**
* Helper function to collect javascript code in a single location. Should be called at the end of each HTML
* page which uses the data entry helper so output all JavaScript required by previous calls.
* @param boolean $closure Set to true to close the JS with a function to ensure $ will refer to jQuery.
* @return string JavaScript to insert into the page for all the controls added to the page so far.
*
* @link http://code.google.com/p/indicia/wiki/TutorialBuildingBasicPage#Build_a_data_entry_page
*/
public static function dump_javascript($closure = false)
{
// Add the default stylesheet to the end of the list, so it has highest CSS priority
if (self::$default_styles) {
self::add_resource('defaultStylesheet');
}
// Jquery validation js has to be added at this late stage, because only then do we know all the messages required.
self::setup_jquery_validation_js();
$dump = self::internal_dump_resources(self::$required_resources);
$dump .= self::get_scripts(self::$javascript, self::$late_javascript, self::$onload_javascript, true, $closure);
// ensure scripted JS does not output again if recalled.
self::$javascript = "";
self::$late_javascript = "";
self::$onload_javascript = "";
return $dump;
}
