/**
* Get an array of link type classes
*
* @return array
**/
function pagemenu_get_link_classes()
{
$return = array();
foreach (pagemenu_get_links() as $type) {
$return[$type] = mod_pagemenu_link::factory($type);
}
return $return;
}
/**
* Constructor - basic setup
*
* @param int $pagemenuid Page menu instance ID
* @param array $links Page menu link records that belong to this page menu
* @param array $data Link data for the links
* @param int $firstlinkid First link ID
* @return void
**/
public function __construct($pagemenuid, $links = NULL, $data = NULL, $firstlinkid = false)
{
$this->pagemenuid = $pagemenuid;
if ($links === NULL) {
$links = get_records('pagemenu_links', 'pagemenuid', $this->pagemenuid);
}
if (!$firstlinkid) {
$firstlinkid = pagemenu_get_first_linkid($this->pagemenuid);
}
if ($data === NULL) {
if (!empty($links)) {
$data = pagemenu_get_link_data($links);
} else {
$data = array();
}
}
if (!empty($links) and !empty($firstlinkid)) {
$linkid = $firstlinkid;
while ($linkid) {
if (array_key_exists($linkid, $data)) {
$datum = $data[$linkid];
} else {
$datum = NULL;
}
$link = $links[$linkid];
$linkid = $link->nextid;
$this->links[$link->id] = mod_pagemenu_link::factory($link->type, $link, $datum);
}
}
$this->init();
}
/**
* Generates a menu
*
* @param int $pagemenuid ID of the instance to print
* @param boolean $editing True if your currently editing the menu
* @param boolean $yui Turn YUI Menu support On/Off - If On, then extra divs and classes will be added and full trees are printed
* @param boolean $menuinfo True, returns menu information object. False, return menu HTML
* @param array $links All of the links used by this menu
* @param array $data All of the data for the links used by this menu
* @param array $firstlinkids This is an array of IDs that are the first link for a pagemenu. Array keys are pagemenu IDs.
* @return mixed
**/
function pagemenu_build_menu($pagemenuid, $editing = false, $yui = false, $menuinfo = false, $links = NULL, $data = NULL, $firstlinkids = array())
{
global $CFG;
$info = new stdClass();
$info->html = '';
$info->menuitems = array();
$info->active = false;
// Set links if not already passed
if ($links === NULL) {
$links = get_records('pagemenu_links', 'pagemenuid', $pagemenuid);
}
// Check passed array first, otherwise go to DB
if (array_key_exists($pagemenuid, $firstlinkids)) {
$linkid = $firstlinkids[$pagemenuid];
} else {
$linkid = pagemenu_get_first_linkid($pagemenuid);
}
if (!empty($links) and !empty($linkid)) {
// Get all link config data if we don't have it already
if ($data === NULL) {
$data = pagemenu_get_link_data($links);
}
if ($editing) {
$action = optional_param('action', '', PARAM_ALPHA);
if ($action == 'move') {
$moveid = required_param('linkid', PARAM_INT);
$alt = s(get_string('movehere'));
$movewidget = "<a title=\"{$alt}\" href=\"{$CFG->wwwroot}/mod/pagemenu/edit.php?a={$pagemenuid}&action=movehere&linkid={$moveid}&sesskey=" . sesskey() . '&after=%d">' . "<img src=\"{$CFG->pixpath}/movehere.gif\" border=\"0\" alt=\"{$alt}\" /></a>";
$move = true;
} else {
$move = false;
}
$table = new stdClass();
$table->id = 'edit-table';
$table->width = '90%';
$table->tablealign = 'center';
$table->cellpadding = '5px';
$table->cellspacing = '0';
$table->data = array();
if ($move) {
$table->head = array(get_string('movingcancel', 'pagemenu', "{$CFG->wwwroot}/mod/pagemenu/edit.php?a={$pagemenuid}"));
$table->wrap = array('nowrap');
$table->data[] = array(sprintf($movewidget, 0));
} else {
$table->head = array(get_string('linktype', 'pagemenu'), get_string('actions', 'pagemenu'), get_string('rendered', 'pagemenu'));
$table->align = array('left', 'center', '');
$table->size = array('*', '*', '100%');
$table->wrap = array('nowrap', 'nowrap', 'nowrap');
}
}
while ($linkid) {
if (array_key_exists($linkid, $data)) {
$datum = $data[$linkid];
} else {
$datum = NULL;
}
$link = $links[$linkid];
$linkid = $link->nextid;
$link = mod_pagemenu_link::factory($link->type, $link, $datum);
$menuitem = $link->get_menuitem($editing, $yui);
// Update info
if ($link->active) {
$info->active = true;
}
if ($menuitem) {
$info->menuitems[] = $menuitem;
}
if ($editing) {
if (!$menuitem) {
$html = get_string('linkitemerror', 'pagemenu');
} else {
$html = pagemenu_menuitems_to_html(array($menuitem));
}
if ($move) {
if ($moveid != $link->link->id) {
$table->data[] = array($html);
$table->data[] = array(sprintf($movewidget, $link->link->id));
}
} else {
$widgets = array();
foreach (array('move', 'edit', 'delete') as $widget) {
$alt = s(get_string($widget));
$widgets[] = "<a title=\"{$alt}\" href=\"{$CFG->wwwroot}/mod/pagemenu/edit.php?a={$pagemenuid}&action={$widget}&linkid={$link->link->id}&sesskey=" . sesskey() . '">' . "<img src=\"{$CFG->pixpath}/t/{$widget}.gif\" height=\"11\" width=\"11\" border=\"0\" alt=\"{$alt}\" /></a>";
}
$table->data[] = array($link->get_name(), implode(' ', $widgets), $html);
}
}
}
if ($editing) {
$info->html = print_table($table, true);
} else {
$info->html = pagemenu_menuitems_to_html($info->menuitems, 0, $yui);
}
} else {
$info->html = print_box(get_string('nolinksinmenu', 'pagemenu'), 'generalbox boxaligncenter boxwidthnarrow centerpara', 'pagemenu-empty', true);
}
if ($menuinfo) {
return $info;
}
return $info->html;
}
foreach (pagemenu_get_link_classes() as $link) {
$link->save($data);
}
pagemenu_set_message(get_string('menuupdated', 'pagemenu'), 'notifysuccess');
redirect("{$CFG->wwwroot}/mod/pagemenu/edit.php?id={$cm->id}");
} else {
if (!empty($linkaction)) {
// These are special link actions that can be invoked by
// a link class. EG: hide show page menu items
if (!confirm_sesskey()) {
error(get_string('confirmsesskeybad', 'error'));
}
if (!in_array($linkaction, pagemenu_get_links())) {
error('Invalide link type');
}
$link = mod_pagemenu_link::factory($linkaction);
$link->handle_action();
redirect("{$CFG->wwwroot}/mod/pagemenu/edit.php?id={$cm->id}");
}
}
}
pagemenu_print_header($cm, $course, $pagemenu, 'edit', $mform->focus());
// Don't display menu when editing a single link
if (!($action == 'edit' and $linkid)) {
echo pagemenu_build_menu($pagemenu->id, true);
}
// Print the form - remember it has duel purposes
print_box_start('boxwidthwide boxaligncenter');
$mform->set_data($formdata);
$mform->display();
print_box_end();