PHP url_select::set_old_help_icon方法代码示例

/**
 * Implements a complete little form with a dropdown menu.
 *
 * @deprecated since Moodle 2.0
 *
 * When JavaScript is on selecting an option from the dropdown automatically
 * submits the form (while avoiding the usual acessibility problems with this appoach).
 * With JavaScript off, a 'Go' button is printed.
 *
 * @global object
 * @global object
 * @param string $baseurl The target URL up to the point of the variable that changes
 * @param array $options A list of value-label pairs for the popup list
 * @param string $formid id for the control. Must be unique on the page. Used in the HTML.
 * @param string $selected The option that is initially selected
 * @param string $nothing The label for the "no choice" option
 * @param string $help The name of a help page if help is required
 * @param string $helptext The name of the label for the help button
 * @param boolean $return Indicates whether the function should return the HTML
 *         as a string or echo it directly to the page being rendered
 * @param string $targetwindow The name of the target page to open the linked page in.
 * @param string $selectlabel Text to place in a [label] element - preferred for accessibility.
 * @param array $optionsextra an array with the same keys as $options. The values are added within the corresponding <option ...> tag.
 * @param string $submitvalue Optional label for the 'Go' button. Defaults to get_string('go').
 * @param boolean $disabled If true, the menu will be displayed disabled.
 * @param boolean $showbutton If true, the button will always be shown even if JavaScript is available
 * @return string|void If $return=true returns string, else echo's and returns void
 */
function popup_form($baseurl, $options, $formid, $selected='', $nothing='choose', $help='', $helptext='', $return=false,
    $targetwindow='self', $selectlabel='', $optionsextra=NULL, $submitvalue='', $disabled=false, $showbutton=false) {
    global $OUTPUT, $CFG;

    debugging('popup_form() has been deprecated. Please change your code to use $OUTPUT->single_select() or $OUTPUT->url_select().');

    if (empty($options)) {
        return '';
    }

    $urls = array();

    foreach ($options as $value=>$label) {
        $url = $baseurl.$value;
        $url = str_replace($CFG->wwwroot, '', $url);
        $url = str_replace('&amp;', '&', $url);
        $urls[$url] = $label;
        if ($selected == $value) {
            $active = $url;
        }
    }

    $nothing = $nothing ? array(''=>$nothing) : null;

    $select = new url_select($urls, $active, $nothing, $formid);
    $select->disabled = $disabled;

    $select->set_label($selectlabel);
    $select->set_old_help_icon($help, $helptext);

    $output = $OUTPUT->render($select);

    if ($return) {
        return $output;
    } else {
        echo $output;
    }
}