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<?php // $Id$
require_once($CFG->libdir.'/pagelib.php');
define('PAGE_ADMIN', 'admin');
// Bounds for block widths
// more flexible for theme designers taken from theme config.php
$lmin = (empty($THEME->block_l_min_width)) ? 0 : $THEME->block_l_min_width;
$lmax = (empty($THEME->block_l_max_width)) ? 210 : $THEME->block_l_max_width;
$rmin = (empty($THEME->block_r_min_width)) ? 0 : $THEME->block_r_min_width;
$rmax = (empty($THEME->block_r_max_width)) ? 210 : $THEME->block_r_max_width;
define('BLOCK_L_MIN_WIDTH', $lmin);
define('BLOCK_L_MAX_WIDTH', $lmax);
define('BLOCK_R_MIN_WIDTH', $rmin);
define('BLOCK_R_MAX_WIDTH', $rmax);
page_map_class(PAGE_ADMIN, 'page_admin');
class page_admin extends page_base {
var $section = '';
var $visiblepathtosection;
var $extraurlparams = array();
var $extrabutton = '';
var $url = '';
// hack alert!
// this function works around the inability to store the section name
// in default block, maybe we should "improve" the blocks a bit?
function init_extra($section) {
global $CFG;
if($this->full_init_done) {
return;
}
$adminroot = admin_get_root(false, false); //settings not required - only pages
// fetch the path parameter
$this->section = $section;
$current = $adminroot->locate($section, true);
$this->visiblepathtosection = array_reverse($current->visiblepath);
// all done
$this->full_init_done = true;
}
function blocks_get_default() {
return 'admin_tree,admin_bookmarks';
}
// seems reasonable that the only people that can edit blocks on the admin pages
// are the admins... but maybe we want a role for this?
function user_allowed_editing() {
return has_capability('moodle/site:manageblocks', get_context_instance(CONTEXT_SYSTEM));
}
// has to be fixed. i know there's a "proper" way to do this
function user_is_editing() {
global $USER;
return $USER->adminediting;
}
function url_get_path() {
global $CFG;
if (!empty($this->url)) {
return $this->url;
}
$adminroot = admin_get_root(false, false); //settings not required - only pages
$root = $adminroot->locate($this->section);
if ($root instanceof admin_externalpage) {
return $root->url;
} else {
return ($CFG->wwwroot . '/' . $CFG->admin . '/settings.php');
}
}
/**
* Use this to pass extra HTML that is added after the turn blocks editing on/off button.
*
* @param string $extrabutton HTML code.
*/
function set_extra_button($extrabutton) {
$this->extrabutton = $extrabutton;
}
/**
* Use this to pass extra URL parameters that, for example, the blocks editing controls need to reload the current page accurately.
*
* @param array $extraurlparams paramname => value array.
*/
function set_extra_url_params($extraurlparams, $actualurl = '') {
$this->extraurlparams = $extraurlparams;
if (!empty($actualurl)) {
$this->url = $actualurl;
}
}
function url_get_parameters() { // only handles parameters relevant to the admin pagetype
return array_merge($this->extraurlparams, array('section' => $this->section));
}
function blocks_get_positions() {
return array(BLOCK_POS_LEFT, BLOCK_POS_RIGHT);
}
function blocks_default_position() {
return BLOCK_POS_LEFT;
}
function blocks_move_position(&$instance, $move) {
if($instance->position == BLOCK_POS_LEFT && $move == BLOCK_MOVE_RIGHT) {
return BLOCK_POS_RIGHT;
} else if ($instance->position == BLOCK_POS_RIGHT && $move == BLOCK_MOVE_LEFT) {
return BLOCK_POS_LEFT;
}
return $instance->position;
}
// does anything need to be done here?
function init_quick($data) {
parent::init_quick($data);
}
function print_header($section = '', $focus='') {
global $USER, $CFG, $SITE;
$this->init_full($section); // we're trusting that init_full() has already been called by now; it should have.
// if not, print_header() has to be called with a $section parameter
// The search page currently doesn't handle block editing
if ($this->section != 'search' and $this->user_allowed_editing()) {
$options = $this->url_get_parameters();
if ($this->user_is_editing()) {
$caption = get_string('blockseditoff');
$options['adminedit'] = 'off';
} else {
$caption = get_string('blocksediton');
$options['adminedit'] = 'on';
}
$buttons = print_single_button($this->url_get_path(), $options, $caption, 'get', '', true);
} else {
$buttons = '&nbsp;';
}
$buttons .= $this->extrabutton;
$navlinks = array();
foreach ($this->visiblepathtosection as $element) {
$navlinks[] = array('name' => $element, 'link' => null, 'type' => 'misc');
}
$navigation = build_navigation($navlinks);
print_header("$SITE->shortname: " . implode(": ",$this->visiblepathtosection), $SITE->fullname, $navigation, $focus, '', true, $buttons, '');
}
function get_type() {
return PAGE_ADMIN;
}
}
?>
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