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<?php // $Id$
class block_admin_tree extends block_base {
var $currentdepth;
var $divcounter;
var $tempcontent;
var $pathtosection;
var $expandjavascript;
var $destination;
function init() {
global $PAGE;
$this->title = get_string('administrationsite');
$this->version = 2007101509;
$this->currentdepth = 0;
$this->divcounter = 1;
$this->tempcontent = '';
$this->section = (isset($PAGE->section) ? $PAGE->section : '');
$this->pathtosection = array();
$this->expandnodes = array();
}
function applicable_formats() {
if (has_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM))) {
return array('site' => true, 'admin' => true, 'my' => true);
} else {
return array('site' => true, 'admin' => true);
}
}
function preferred_width() {
return 210;
}
function open_folder($visiblename) {
global $CFG;
$strfolderopened = s(get_string('folderopened'));
$this->tempcontent .= '<div class="depth'.$this->currentdepth.'"><a name="d'.$this->divcounter.'">';
$this->tempcontent .= '<img id="vh_div'.$this->divcounter.'indicator" src="'.$CFG->pixpath.'/i/open.gif" alt="'.$strfolderopened.'" /> ';
$this->tempcontent .= $visiblename.'</a></div><div id="vh_div'.$this->divcounter.'">'."\n";
$this->currentdepth++;
$this->divcounter++;
}
function close_folder() {
$this->currentdepth--;
$this->tempcontent .= "</div>\n";
}
function create_item($visiblename,$link,$icon,$class) {
global $CFG;
$this->tempcontent .= '<div class="depth'.$this->currentdepth.'"><a class="'.$class.'" href="'.$link.'"><img src="'.$icon.'" alt="" />'.
$visiblename.'</a></div>'."\n";
}
function build_tree (&$content) {
global $CFG;
if ($content instanceof admin_settingpage) {
// show hidden pages in tree if hidden page active
if ($content->check_access() and (($content->name == $this->section) or !$content->is_hidden())) {
$class = ($content->name == $this->section) ? 'link current' : 'link';
if ($content->is_hidden()) {
$class .= ' hidden';
}
$this->create_item($content->visiblename, $CFG->wwwroot.'/'.$CFG->admin.'/settings.php?section='.$content->name,$CFG->pixpath.'/i/item.gif', $class);
}
} else if ($content instanceof admin_externalpage) {
// show hidden pages in tree if hidden page active
if ($content->check_access() and (($content->name == $this->section) or !$content->is_hidden())) {
$class = ($content->name == $this->section) ? 'link current' : 'link';
if ($content->name === 'adminnotifications') {
if (admin_critical_warnings_present()) {
$class .= ' criticalnotification';
}
}
if ($content->is_hidden()) {
$class .= ' hidden';
}
$this->create_item($content->visiblename, $content->url, $CFG->pixpath.'/i/item.gif', $class);
}
} else if ($content instanceof admin_category) {
if ($content->check_access() and !$content->is_hidden()) {
// check if the category we're currently printing is a parent category for the current page; if it is, we
// make a note (in the javascript) that it has to be expanded after the page has loaded
if ($this->section != '' and $this->pathtosection[count($this->pathtosection) - 1] == $content->name) {
$this->expandnodes[] = $this->divcounter;
array_pop($this->pathtosection);
}
$this->open_folder($content->visiblename);
$entries = array_keys($content->children);
foreach ($entries as $entry) {
$this->build_tree($content->children[$entry]);
}
$this->close_folder();
}
}
}
function get_content() {
global $CFG;
if ($this->content !== NULL) {
return $this->content;
}
if (isguestuser() or !isloggedin()) {
// these users can not change any settings
$this->content = '';
return '';
}
require_once($CFG->libdir.'/adminlib.php');
$adminroot = admin_get_root(false, false); // settings not required - only pages
if ($current = $adminroot->locate($this->section, true)) {
$this->pathtosection = $current->path;
array_pop($this->pathtosection);
}
// we need to do this instead of $this->build_tree($adminroot) because the top-level folder
// is redundant (and ideally ignored). (the top-level folder is "administration".)
$entries = array_keys($adminroot->children);
asort($entries);
foreach ($entries as $entry) {
$this->build_tree($adminroot->children[$entry]);
}
if ($this->tempcontent !== '') {
require_js(array('yui_yahoo','yui_event'));
require_js('blocks/admin_tree/admintree.js');
$this->content = new object();
$this->content->text = '<div class="admintree">' . $this->tempcontent . "</div>\n";
$this->content->text .= print_js_call('admin_tree.init',
array($this->divcounter - 1, $this->expandnodes, $CFG->pixpath,
get_string('folderopened'), get_string('folderclosed')), true);
// only do search if you have moodle/site:config
if (has_capability('moodle/site:config',get_context_instance(CONTEXT_SYSTEM)) ) {
$this->content->footer =
'<div class="adminsearchform">'.
'<form action="'.$CFG->wwwroot.'/'.$CFG->admin.'/search.php" method="get"><div>'.
'<label for="query" class="accesshide">'.get_string('searchinsettings', 'admin').'</label>'.
'<input type="text" name="query" id="query" size="8" value="'.s($adminroot->search).'" />'.
'<input type="submit" value="'.get_string('search').'" /></div>'.
'</form></div>';
} else {
$this->content->footer = '';
}
} else {
$this->content = new object();
$this->content->text = '';
}
return $this->content;
}
}
?>
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