/**
* Ensure that the specified JavaScript function is called from an inline script
* from page footer.
*
* @param string $function the name of the JavaScritp function to with init code,
* usually something like 'M.mod_mymodule.init'
* @param array $extraarguments and array of arguments to be passed to the function.
* The first argument is always the YUI3 Y instance with all required dependencies
* already loaded.
* @param bool $ondomready wait for dom ready (helps with some IE problems when modifying DOM)
* @param array $module JS module specification array
*/
public function js_init_call($function, array $extraarguments = null, $ondomready = false, array $module = null)
{
$jscode = js_writer::function_call_with_Y($function, $extraarguments);
if (!$module) {
// Detect module automatically.
if (preg_match('/M\\.([a-z0-9]+_[^\\.]+)/', $function, $matches)) {
$module = $this->find_module($matches[1]);
}
}
$this->js_init_code($jscode, $ondomready, $module);
}
/**
* Renders a custom menu object (located in outputcomponents.php)
*
* The custom menu this method produces makes use of the YUI3 menunav widget
* and requires very specific html elements and classes.
*
* @staticvar int $menucount
* @param custom_menu $menu
* @return string
*/
protected function render_custom_menu(custom_menu $menu) {
static $menucount = 0;
// If the menu has no children return an empty string
if (!$menu->has_children()) {
return '';
}
// Increment the menu count. This is used for ID's that get worked with
// in JavaScript as is essential
$menucount++;
// Initialise this custom menu (the custom menu object is contained in javascript-static
$jscode = js_writer::function_call_with_Y('M.core_custom_menu.init', array('custom_menu_'.$menucount));
$jscode = "(function(){{$jscode}})";
$this->page->requires->yui_module('node-menunav', $jscode);
// Build the root nodes as required by YUI
$content = html_writer::start_tag('div', array('id'=>'custom_menu_'.$menucount, 'class'=>'yui3-menu yui3-menu-horizontal javascript-disabled custom-menu'));
$content .= html_writer::start_tag('div', array('class'=>'yui3-menu-content'));
$content .= html_writer::start_tag('ul');
// Render each child
foreach ($menu->get_children() as $item) {
$content .= $this->render_custom_menu_item($item);
}
// Close the open tags
$content .= html_writer::end_tag('ul');
$content .= html_writer::end_tag('div');
$content .= html_writer::end_tag('div');
// Return the custom menu
return $content;
}
