function test_escape_javascript()
{
$strings = array("\r" => '\\n', "\n" => '\\n', '\\' => '\\\\', '</' => '<\\/', '"' => '\\"', "'" => "\\'");
foreach ($strings as $string => $expect) {
$this->assertEqual(JsHelper::escape_javascript($string), $expect);
}
}
/**
* Returns the javascript needed for a remote function.
* Takes the same arguments as 'link_to_remote()'.
*
* Example:
* <select id="options" onchange="<?=
* remote_function(array('update' => 'options',
* 'url' => '@update_options')) ?>">
* <option value="0">Hello</option>
* <option value="1">World</option>
* </select>
*
* @param type <description>
*
* @return type <description>
*/
function remote_function($options)
{
$javascript_options = PrototypeHelper::options_for_ajax($options);
$update = '';
if (isset($options['update']) && is_array($options['update'])) {
$update = array();
if (isset($options['update']['success'])) {
$update[] = "success:'" . $options['update']['success'] . "'";
}
if (isset($options['update']['failure'])) {
$update[] = "failure:'" . $options['update']['failure'] . "'";
}
$update = '{' . join(',', $update) . '}';
} else {
if (isset($options['update'])) {
$update .= "'" . $options['update'] . "'";
}
}
$function = sprintf("new Ajax.%s(%s'%s', %s)", $update ? 'Updater' : 'Request', $update ? "{$update}, " : '', $options['url'], $javascript_options);
if (isset($options['before'])) {
$function = $options['before'] . '; ' . $function;
}
if (isset($options['after'])) {
$function = $function . '; ' . $options['after'];
}
if (isset($options['condition'])) {
$function = 'if (' . $options['condition'] . ') { ' . $function . '; }';
}
if (isset($options['confirm'])) {
$function = "if (confirm('" . JsHelper::escape_javascript($options['confirm']) . "')) { {$function}; }";
if (isset($options['cancel'])) {
$function .= ' else { ' . $options['cancel'] . ' }';
}
}
return $function;
}
