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2584 lines
99 KiB
2584 lines
99 KiB
2 years ago
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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Block Class and Functions
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*
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* This file defines the {@link block_manager} class,
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*
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* @package core
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* @subpackage block
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* @copyright 1999 onwards Martin Dougiamas http://dougiamas.com
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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defined('MOODLE_INTERNAL') || die();
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/**#@+
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* Default names for the block regions in the standard theme.
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*/
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define('BLOCK_POS_LEFT', 'side-pre');
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define('BLOCK_POS_RIGHT', 'side-post');
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/**#@-*/
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define('BUI_CONTEXTS_FRONTPAGE_ONLY', 0);
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define('BUI_CONTEXTS_FRONTPAGE_SUBS', 1);
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define('BUI_CONTEXTS_ENTIRE_SITE', 2);
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define('BUI_CONTEXTS_CURRENT', 0);
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define('BUI_CONTEXTS_CURRENT_SUBS', 1);
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// Position of "Add block" control, to be used in theme config as a value for $THEME->addblockposition:
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// - default: as a fake block that is displayed in editing mode
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// - flatnav: "Add block" item in the flat navigation drawer in editing mode
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// - custom: none of the above, theme will take care of displaying the control.
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define('BLOCK_ADDBLOCK_POSITION_DEFAULT', 0);
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define('BLOCK_ADDBLOCK_POSITION_FLATNAV', 1);
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define('BLOCK_ADDBLOCK_POSITION_CUSTOM', -1);
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/**
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* Exception thrown when someone tried to do something with a block that does
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* not exist on a page.
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*
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* @copyright 2009 Tim Hunt
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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* @since Moodle 2.0
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*/
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class block_not_on_page_exception extends moodle_exception {
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/**
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* Constructor
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* @param int $instanceid the block instance id of the block that was looked for.
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* @param object $page the current page.
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*/
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public function __construct($instanceid, $page) {
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$a = new stdClass;
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$a->instanceid = $instanceid;
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$a->url = $page->url->out();
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parent::__construct('blockdoesnotexistonpage', '', $page->url->out(), $a);
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}
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}
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/**
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* This class keeps track of the block that should appear on a moodle_page.
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*
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* The page to work with as passed to the constructor.
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*
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* @copyright 2009 Tim Hunt
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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* @since Moodle 2.0
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*/
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class block_manager {
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/**
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* The UI normally only shows block weights between -MAX_WEIGHT and MAX_WEIGHT,
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* although other weights are valid.
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*/
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const MAX_WEIGHT = 10;
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/// Field declarations =========================================================
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/**
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* the moodle_page we are managing blocks for.
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* @var moodle_page
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*/
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protected $page;
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/** @var array region name => 1.*/
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protected $regions = array();
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/** @var string the region where new blocks are added.*/
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protected $defaultregion = null;
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/** @var array will be $DB->get_records('blocks') */
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protected $allblocks = null;
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/**
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* @var array blocks that this user can add to this page. Will be a subset
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* of $allblocks, but with array keys block->name. Access this via the
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* {@link get_addable_blocks()} method to ensure it is lazy-loaded.
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*/
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protected $addableblocks = null;
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/**
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* Will be an array region-name => array(db rows loaded in load_blocks);
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* @var array
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*/
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protected $birecordsbyregion = null;
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/**
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* array region-name => array(block objects); populated as necessary by
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* the ensure_instances_exist method.
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* @var array
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*/
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protected $blockinstances = array();
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/**
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* array region-name => array(block_contents objects) what actually needs to
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* be displayed in each region.
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* @var array
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*/
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protected $visibleblockcontent = array();
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/**
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* array region-name => array(block_contents objects) extra block-like things
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* to be displayed in each region, before the real blocks.
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* @var array
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*/
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protected $extracontent = array();
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/**
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* Used by the block move id, to track whether a block is currently being moved.
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*
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* When you click on the move icon of a block, first the page needs to reload with
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* extra UI for choosing a new position for a particular block. In that situation
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* this field holds the id of the block being moved.
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*
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* @var integer|null
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*/
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protected $movingblock = null;
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/**
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* Show only fake blocks
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*/
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protected $fakeblocksonly = false;
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/// Constructor ================================================================
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/**
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* Constructor.
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* @param object $page the moodle_page object object we are managing the blocks for,
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* or a reasonable faxilimily. (See the comment at the top of this class
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* and {@link http://en.wikipedia.org/wiki/Duck_typing})
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*/
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public function __construct($page) {
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$this->page = $page;
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}
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/// Getter methods =============================================================
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/**
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* Get an array of all region names on this page where a block may appear
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*
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* @return array the internal names of the regions on this page where block may appear.
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*/
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public function get_regions() {
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if (is_null($this->defaultregion)) {
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$this->page->initialise_theme_and_output();
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}
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return array_keys($this->regions);
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}
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/**
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* Get the region name of the region blocks are added to by default
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*
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* @return string the internal names of the region where new blocks are added
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* by default, and where any blocks from an unrecognised region are shown.
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* (Imagine that blocks were added with one theme selected, then you switched
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* to a theme with different block positions.)
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*/
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public function get_default_region() {
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$this->page->initialise_theme_and_output();
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return $this->defaultregion;
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}
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/**
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* The list of block types that may be added to this page.
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*
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* @return array block name => record from block table.
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*/
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public function get_addable_blocks() {
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$this->check_is_loaded();
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if (!is_null($this->addableblocks)) {
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return $this->addableblocks;
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}
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// Lazy load.
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$this->addableblocks = array();
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$allblocks = blocks_get_record();
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if (empty($allblocks)) {
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return $this->addableblocks;
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}
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$unaddableblocks = self::get_undeletable_block_types();
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$requiredbythemeblocks = $this->get_required_by_theme_block_types();
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$pageformat = $this->page->pagetype;
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foreach($allblocks as $block) {
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if (!$bi = block_instance($block->name)) {
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continue;
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}
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if ($block->visible && !in_array($block->name, $unaddableblocks) &&
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!in_array($block->name, $requiredbythemeblocks) &&
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($bi->instance_allow_multiple() || !$this->is_block_present($block->name)) &&
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blocks_name_allowed_in_format($block->name, $pageformat) &&
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$bi->user_can_addto($this->page)) {
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$block->title = $bi->get_title();
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$this->addableblocks[$block->name] = $block;
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}
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}
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core_collator::asort_objects_by_property($this->addableblocks, 'title');
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return $this->addableblocks;
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}
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/**
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* Given a block name, find out of any of them are currently present in the page
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* @param string $blockname - the basic name of a block (eg "navigation")
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* @return boolean - is there one of these blocks in the current page?
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*/
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public function is_block_present($blockname) {
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if (empty($this->blockinstances)) {
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return false;
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}
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$requiredbythemeblocks = $this->get_required_by_theme_block_types();
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foreach ($this->blockinstances as $region) {
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foreach ($region as $instance) {
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if (empty($instance->instance->blockname)) {
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continue;
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}
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if ($instance->instance->blockname == $blockname) {
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if ($instance->instance->requiredbytheme) {
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if (!in_array($blockname, $requiredbythemeblocks)) {
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continue;
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}
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}
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return true;
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}
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}
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}
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return false;
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}
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/**
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* Find out if a block type is known by the system
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*
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* @param string $blockname the name of the type of block.
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* @param boolean $includeinvisible if false (default) only check 'visible' blocks, that is, blocks enabled by the admin.
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* @return boolean true if this block in installed.
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*/
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public function is_known_block_type($blockname, $includeinvisible = false) {
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$blocks = $this->get_installed_blocks();
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foreach ($blocks as $block) {
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if ($block->name == $blockname && ($includeinvisible || $block->visible)) {
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return true;
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}
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}
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return false;
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}
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/**
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* Find out if a region exists on a page
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*
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* @param string $region a region name
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* @return boolean true if this region exists on this page.
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||
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*/
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public function is_known_region($region) {
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if (empty($region)) {
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return false;
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}
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return array_key_exists($region, $this->regions);
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}
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||
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/**
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* Get an array of all blocks within a given region
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*
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* @param string $region a block region that exists on this page.
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* @return array of block instances.
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||
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*/
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public function get_blocks_for_region($region) {
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$this->check_is_loaded();
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$this->ensure_instances_exist($region);
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return $this->blockinstances[$region];
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}
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||
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/**
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||
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* Returns an array of block content objects that exist in a region
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||
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*
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||
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* @param string $region a block region that exists on this page.
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||
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* @return array of block block_contents objects for all the blocks in a region.
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||
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*/
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||
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public function get_content_for_region($region, $output) {
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$this->check_is_loaded();
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$this->ensure_content_created($region, $output);
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||
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return $this->visibleblockcontent[$region];
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||
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}
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||
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||
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/**
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||
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* Returns an array of block content objects for all the existings regions
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||
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*
|
||
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* @param renderer_base $output the rendered to use
|
||
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* @return array of block block_contents objects for all the blocks in all regions.
|
||
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* @since Moodle 3.3
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||
|
|
*/
|
||
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public function get_content_for_all_regions($output) {
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||
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$contents = array();
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||
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$this->check_is_loaded();
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||
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|
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||
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foreach ($this->regions as $region => $val) {
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$this->ensure_content_created($region, $output);
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$contents[$region] = $this->visibleblockcontent[$region];
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||
|
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}
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||
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return $contents;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Helper method used by get_content_for_region.
|
||
|
|
* @param string $region region name
|
||
|
|
* @param float $weight weight. May be fractional, since you may want to move a block
|
||
|
|
* between ones with weight 2 and 3, say ($weight would be 2.5).
|
||
|
|
* @return string URL for moving block $this->movingblock to this position.
|
||
|
|
*/
|
||
|
|
protected function get_move_target_url($region, $weight) {
|
||
|
|
return new moodle_url($this->page->url, array('bui_moveid' => $this->movingblock,
|
||
|
|
'bui_newregion' => $region, 'bui_newweight' => $weight, 'sesskey' => sesskey()));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Determine whether a region contains anything. (Either any real blocks, or
|
||
|
|
* the add new block UI.)
|
||
|
|
*
|
||
|
|
* (You may wonder why the $output parameter is required. Unfortunately,
|
||
|
|
* because of the way that blocks work, the only reliable way to find out
|
||
|
|
* if a block will be visible is to get the content for output, and to
|
||
|
|
* get the content, you need a renderer. Fortunately, this is not a
|
||
|
|
* performance problem, because we cache the output that is generated, and
|
||
|
|
* in almost every case where we call region_has_content, we are about to
|
||
|
|
* output the blocks anyway, so we are not doing wasted effort.)
|
||
|
|
*
|
||
|
|
* @param string $region a block region that exists on this page.
|
||
|
|
* @param core_renderer $output a core_renderer. normally the global $OUTPUT.
|
||
|
|
* @return boolean Whether there is anything in this region.
|
||
|
|
*/
|
||
|
|
public function region_has_content($region, $output) {
|
||
|
|
|
||
|
|
if (!$this->is_known_region($region)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
$this->check_is_loaded();
|
||
|
|
$this->ensure_content_created($region, $output);
|
||
|
|
// if ($this->page->user_is_editing() && $this->page->user_can_edit_blocks()) {
|
||
|
|
// Mark Nielsen's patch - part 1
|
||
|
|
if ($this->page->user_is_editing() && $this->page->user_can_edit_blocks() && $this->movingblock) {
|
||
|
|
// If editing is on, we need all the block regions visible, for the
|
||
|
|
// move blocks UI.
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
return !empty($this->visibleblockcontent[$region]) || !empty($this->extracontent[$region]);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get an array of all of the installed blocks.
|
||
|
|
*
|
||
|
|
* @return array contents of the block table.
|
||
|
|
*/
|
||
|
|
public function get_installed_blocks() {
|
||
|
|
global $DB;
|
||
|
|
if (is_null($this->allblocks)) {
|
||
|
|
$this->allblocks = $DB->get_records('block');
|
||
|
|
}
|
||
|
|
return $this->allblocks;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @return array names of block types that must exist on every page with this theme.
|
||
|
|
*/
|
||
|
|
public function get_required_by_theme_block_types() {
|
||
|
|
$requiredbythemeblocks = false;
|
||
|
|
if (isset($this->page->theme->requiredblocks)) {
|
||
|
|
$requiredbythemeblocks = $this->page->theme->requiredblocks;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($requiredbythemeblocks === false) {
|
||
|
|
return array('navigation', 'settings');
|
||
|
|
} else if ($requiredbythemeblocks === '') {
|
||
|
|
return array();
|
||
|
|
} else if (is_string($requiredbythemeblocks)) {
|
||
|
|
return explode(',', $requiredbythemeblocks);
|
||
|
|
} else {
|
||
|
|
return $requiredbythemeblocks;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Make this block type undeletable and unaddable.
|
||
|
|
*
|
||
|
|
* @param mixed $blockidorname string or int
|
||
|
|
*/
|
||
|
|
public static function protect_block($blockidorname) {
|
||
|
|
global $DB;
|
||
|
|
|
||
|
|
$syscontext = context_system::instance();
|
||
|
|
|
||
|
|
require_capability('moodle/site:config', $syscontext);
|
||
|
|
|
||
|
|
$block = false;
|
||
|
|
if (is_int($blockidorname)) {
|
||
|
|
$block = $DB->get_record('block', array('id' => $blockidorname), 'id, name', MUST_EXIST);
|
||
|
|
} else {
|
||
|
|
$block = $DB->get_record('block', array('name' => $blockidorname), 'id, name', MUST_EXIST);
|
||
|
|
}
|
||
|
|
$undeletableblocktypes = self::get_undeletable_block_types();
|
||
|
|
if (!in_array($block->name, $undeletableblocktypes)) {
|
||
|
|
$undeletableblocktypes[] = $block->name;
|
||
|
|
set_config('undeletableblocktypes', implode(',', $undeletableblocktypes));
|
||
|
|
add_to_config_log('block_protect', "0", "1", $block->name);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Make this block type deletable and addable.
|
||
|
|
*
|
||
|
|
* @param mixed $blockidorname string or int
|
||
|
|
*/
|
||
|
|
public static function unprotect_block($blockidorname) {
|
||
|
|
global $DB;
|
||
|
|
|
||
|
|
$syscontext = context_system::instance();
|
||
|
|
|
||
|
|
require_capability('moodle/site:config', $syscontext);
|
||
|
|
|
||
|
|
$block = false;
|
||
|
|
if (is_int($blockidorname)) {
|
||
|
|
$block = $DB->get_record('block', array('id' => $blockidorname), 'id, name', MUST_EXIST);
|
||
|
|
} else {
|
||
|
|
$block = $DB->get_record('block', array('name' => $blockidorname), 'id, name', MUST_EXIST);
|
||
|
|
}
|
||
|
|
$undeletableblocktypes = self::get_undeletable_block_types();
|
||
|
|
if (in_array($block->name, $undeletableblocktypes)) {
|
||
|
|
$undeletableblocktypes = array_diff($undeletableblocktypes, array($block->name));
|
||
|
|
set_config('undeletableblocktypes', implode(',', $undeletableblocktypes));
|
||
|
|
add_to_config_log('block_protect', "1", "0", $block->name);
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the list of "protected" blocks via admin block manager ui.
|
||
|
|
*
|
||
|
|
* @return array names of block types that cannot be added or deleted. E.g. array('navigation','settings').
|
||
|
|
*/
|
||
|
|
public static function get_undeletable_block_types() {
|
||
|
|
global $CFG;
|
||
|
|
$undeletableblocks = false;
|
||
|
|
if (isset($CFG->undeletableblocktypes)) {
|
||
|
|
$undeletableblocks = $CFG->undeletableblocktypes;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (empty($undeletableblocks)) {
|
||
|
|
return array();
|
||
|
|
} else if (is_string($undeletableblocks)) {
|
||
|
|
return explode(',', $undeletableblocks);
|
||
|
|
} else {
|
||
|
|
return $undeletableblocks;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/// Setter methods =============================================================
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Add a region to a page
|
||
|
|
*
|
||
|
|
* @param string $region add a named region where blocks may appear on the current page.
|
||
|
|
* This is an internal name, like 'side-pre', not a string to display in the UI.
|
||
|
|
* @param bool $custom True if this is a custom block region, being added by the page rather than the theme layout.
|
||
|
|
*/
|
||
|
|
public function add_region($region, $custom = true) {
|
||
|
|
global $SESSION;
|
||
|
|
$this->check_not_yet_loaded();
|
||
|
|
if ($custom) {
|
||
|
|
if (array_key_exists($region, $this->regions)) {
|
||
|
|
// This here is EXACTLY why we should not be adding block regions into a page. It should
|
||
|
|
// ALWAYS be done in a theme layout.
|
||
|
|
debugging('A custom region conflicts with a block region in the theme.', DEBUG_DEVELOPER);
|
||
|
|
}
|
||
|
|
// We need to register this custom region against the page type being used.
|
||
|
|
// This allows us to check, when performing block actions, that unrecognised regions can be worked with.
|
||
|
|
$type = $this->page->pagetype;
|
||
|
|
if (!isset($SESSION->custom_block_regions)) {
|
||
|
|
$SESSION->custom_block_regions = array($type => array($region));
|
||
|
|
} else if (!isset($SESSION->custom_block_regions[$type])) {
|
||
|
|
$SESSION->custom_block_regions[$type] = array($region);
|
||
|
|
} else if (!in_array($region, $SESSION->custom_block_regions[$type])) {
|
||
|
|
$SESSION->custom_block_regions[$type][] = $region;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
$this->regions[$region] = 1;
|
||
|
|
|
||
|
|
// Checking the actual property instead of calling get_default_region as it ends up in a recursive call.
|
||
|
|
if (empty($this->defaultregion)) {
|
||
|
|
$this->set_default_region($region);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Add an array of regions
|
||
|
|
* @see add_region()
|
||
|
|
*
|
||
|
|
* @param array $regions this utility method calls add_region for each array element.
|
||
|
|
*/
|
||
|
|
public function add_regions($regions, $custom = true) {
|
||
|
|
foreach ($regions as $region) {
|
||
|
|
$this->add_region($region, $custom);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Finds custom block regions associated with a page type and registers them with this block manager.
|
||
|
|
*
|
||
|
|
* @param string $pagetype
|
||
|
|
*/
|
||
|
|
public function add_custom_regions_for_pagetype($pagetype) {
|
||
|
|
global $SESSION;
|
||
|
|
if (isset($SESSION->custom_block_regions[$pagetype])) {
|
||
|
|
foreach ($SESSION->custom_block_regions[$pagetype] as $customregion) {
|
||
|
|
$this->add_region($customregion, false);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set the default region for new blocks on the page
|
||
|
|
*
|
||
|
|
* @param string $defaultregion the internal names of the region where new
|
||
|
|
* blocks should be added by default, and where any blocks from an
|
||
|
|
* unrecognised region are shown.
|
||
|
|
*/
|
||
|
|
public function set_default_region($defaultregion) {
|
||
|
|
$this->check_not_yet_loaded();
|
||
|
|
if ($defaultregion) {
|
||
|
|
$this->check_region_is_known($defaultregion);
|
||
|
|
}
|
||
|
|
$this->defaultregion = $defaultregion;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Add something that looks like a block, but which isn't an actual block_instance,
|
||
|
|
* to this page.
|
||
|
|
*
|
||
|
|
* @param block_contents $bc the content of the block-like thing.
|
||
|
|
* @param string $region a block region that exists on this page.
|
||
|
|
*/
|
||
|
|
public function add_fake_block($bc, $region) {
|
||
|
|
$this->page->initialise_theme_and_output();
|
||
|
|
if (!$this->is_known_region($region)) {
|
||
|
|
$region = $this->get_default_region();
|
||
|
|
}
|
||
|
|
if (array_key_exists($region, $this->visibleblockcontent)) {
|
||
|
|
throw new coding_exception('block_manager has already prepared the blocks in region ' .
|
||
|
|
$region . 'for output. It is too late to add a fake block.');
|
||
|
|
}
|
||
|
|
if (!isset($bc->attributes['data-block'])) {
|
||
|
|
$bc->attributes['data-block'] = '_fake';
|
||
|
|
}
|
||
|
|
$bc->attributes['class'] .= ' block_fake';
|
||
|
|
$this->extracontent[$region][] = $bc;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Checks to see whether all of the blocks within the given region are docked
|
||
|
|
*
|
||
|
|
* @see region_uses_dock
|
||
|
|
* @param string $region
|
||
|
|
* @return bool True if all of the blocks within that region are docked
|
||
|
|
*
|
||
|
|
* Return false as from MDL-64506
|
||
|
|
*/
|
||
|
|
public function region_completely_docked($region, $output) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Checks to see whether any of the blocks within the given regions are docked
|
||
|
|
*
|
||
|
|
* @see region_completely_docked
|
||
|
|
* @param array|string $regions array of regions (or single region)
|
||
|
|
* @return bool True if any of the blocks within that region are docked
|
||
|
|
*
|
||
|
|
* Return false as from MDL-64506
|
||
|
|
*/
|
||
|
|
public function region_uses_dock($regions, $output) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
/// Actions ====================================================================
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method actually loads the blocks for our page from the database.
|
||
|
|
*
|
||
|
|
* @param boolean|null $includeinvisible
|
||
|
|
* null (default) - load hidden blocks if $this->page->user_is_editing();
|
||
|
|
* true - load hidden blocks.
|
||
|
|
* false - don't load hidden blocks.
|
||
|
|
*/
|
||
|
|
public function load_blocks($includeinvisible = null) {
|
||
|
|
global $DB, $CFG;
|
||
|
|
|
||
|
|
if (!is_null($this->birecordsbyregion)) {
|
||
|
|
// Already done.
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($CFG->version < 2009050619) {
|
||
|
|
// Upgrade/install not complete. Don't try too show any blocks.
|
||
|
|
$this->birecordsbyregion = array();
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Ensure we have been initialised.
|
||
|
|
if (is_null($this->defaultregion)) {
|
||
|
|
$this->page->initialise_theme_and_output();
|
||
|
|
// If there are still no block regions, then there are no blocks on this page.
|
||
|
|
if (empty($this->regions)) {
|
||
|
|
$this->birecordsbyregion = array();
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Check if we need to load normal blocks
|
||
|
|
if ($this->fakeblocksonly) {
|
||
|
|
$this->birecordsbyregion = $this->prepare_per_region_arrays();
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Exclude auto created blocks if they are not undeletable in this theme.
|
||
|
|
$requiredbytheme = $this->get_required_by_theme_block_types();
|
||
|
|
$requiredbythemecheck = '';
|
||
|
|
$requiredbythemeparams = array();
|
||
|
|
$requiredbythemenotparams = array();
|
||
|
|
if (!empty($requiredbytheme)) {
|
||
|
|
list($testsql, $requiredbythemeparams) = $DB->get_in_or_equal($requiredbytheme, SQL_PARAMS_NAMED, 'requiredbytheme');
|
||
|
|
list($testnotsql, $requiredbythemenotparams) = $DB->get_in_or_equal($requiredbytheme, SQL_PARAMS_NAMED,
|
||
|
|
'notrequiredbytheme', false);
|
||
|
|
$requiredbythemecheck = 'AND ((bi.blockname ' . $testsql . ' AND bi.requiredbytheme = 1) OR ' .
|
||
|
|
' (bi.blockname ' . $testnotsql . ' AND bi.requiredbytheme = 0))';
|
||
|
|
} else {
|
||
|
|
$requiredbythemecheck = 'AND (bi.requiredbytheme = 0)';
|
||
|
|
}
|
||
|
|
|
||
|
|
if (is_null($includeinvisible)) {
|
||
|
|
$includeinvisible = $this->page->user_is_editing();
|
||
|
|
}
|
||
|
|
if ($includeinvisible) {
|
||
|
|
$visiblecheck = '';
|
||
|
|
} else {
|
||
|
|
$visiblecheck = 'AND (bp.visible = 1 OR bp.visible IS NULL) AND (bs.visible = 1 OR bs.visible IS NULL)';
|
||
|
|
}
|
||
|
|
|
||
|
|
$context = $this->page->context;
|
||
|
|
$contexttest = 'bi.parentcontextid IN (:contextid2, :contextid3)';
|
||
|
|
$parentcontextparams = array();
|
||
|
|
$parentcontextids = $context->get_parent_context_ids();
|
||
|
|
if ($parentcontextids) {
|
||
|
|
list($parentcontexttest, $parentcontextparams) =
|
||
|
|
$DB->get_in_or_equal($parentcontextids, SQL_PARAMS_NAMED, 'parentcontext');
|
||
|
|
$contexttest = "($contexttest OR (bi.showinsubcontexts = 1 AND bi.parentcontextid $parentcontexttest))";
|
||
|
|
}
|
||
|
|
|
||
|
|
$pagetypepatterns = matching_page_type_patterns($this->page->pagetype);
|
||
|
|
list($pagetypepatterntest, $pagetypepatternparams) =
|
||
|
|
$DB->get_in_or_equal($pagetypepatterns, SQL_PARAMS_NAMED, 'pagetypepatterntest');
|
||
|
|
|
||
|
|
$ccselect = ', ' . context_helper::get_preload_record_columns_sql('ctx');
|
||
|
|
$ccjoin = "LEFT JOIN {context} ctx ON (ctx.instanceid = bi.id AND ctx.contextlevel = :contextlevel)";
|
||
|
|
|
||
|
|
$systemcontext = context_system::instance();
|
||
|
|
$params = array(
|
||
|
|
'contextlevel' => CONTEXT_BLOCK,
|
||
|
|
'subpage1' => $this->page->subpage,
|
||
|
|
'subpage2' => $this->page->subpage,
|
||
|
|
'subpage3' => $this->page->subpage,
|
||
|
|
'contextid1' => $context->id,
|
||
|
|
'contextid2' => $context->id,
|
||
|
|
'contextid3' => $systemcontext->id,
|
||
|
|
'contextid4' => $systemcontext->id,
|
||
|
|
'pagetype' => $this->page->pagetype,
|
||
|
|
'pagetype2' => $this->page->pagetype,
|
||
|
|
);
|
||
|
|
if ($this->page->subpage === '') {
|
||
|
|
$params['subpage1'] = '';
|
||
|
|
$params['subpage2'] = '';
|
||
|
|
$params['subpage3'] = '';
|
||
|
|
}
|
||
|
|
$sql = "SELECT
|
||
|
|
bi.id,
|
||
|
|
COALESCE(bp.id, bs.id) AS blockpositionid,
|
||
|
|
bi.blockname,
|
||
|
|
bi.parentcontextid,
|
||
|
|
bi.showinsubcontexts,
|
||
|
|
bi.pagetypepattern,
|
||
|
|
bi.requiredbytheme,
|
||
|
|
bi.subpagepattern,
|
||
|
|
bi.defaultregion,
|
||
|
|
bi.defaultweight,
|
||
|
|
COALESCE(bp.visible, bs.visible, 1) AS visible,
|
||
|
|
COALESCE(bp.region, bs.region, bi.defaultregion) AS region,
|
||
|
|
COALESCE(bp.weight, bs.weight, bi.defaultweight) AS weight,
|
||
|
|
bi.configdata
|
||
|
|
$ccselect
|
||
|
|
|
||
|
|
FROM {block_instances} bi
|
||
|
|
JOIN {block} b ON bi.blockname = b.name
|
||
|
|
LEFT JOIN {block_positions} bp ON bp.blockinstanceid = bi.id
|
||
|
|
AND bp.contextid = :contextid1
|
||
|
|
AND bp.pagetype = :pagetype
|
||
|
|
AND bp.subpage = :subpage1
|
||
|
|
LEFT JOIN {block_positions} bs ON bs.blockinstanceid = bi.id
|
||
|
|
AND bs.contextid = :contextid4
|
||
|
|
AND bs.pagetype = :pagetype2
|
||
|
|
AND bs.subpage = :subpage3
|
||
|
|
$ccjoin
|
||
|
|
|
||
|
|
WHERE
|
||
|
|
$contexttest
|
||
|
|
AND bi.pagetypepattern $pagetypepatterntest
|
||
|
|
AND (bi.subpagepattern IS NULL OR bi.subpagepattern = :subpage2)
|
||
|
|
$visiblecheck
|
||
|
|
AND b.visible = 1
|
||
|
|
$requiredbythemecheck
|
||
|
|
|
||
|
|
ORDER BY
|
||
|
|
COALESCE(bp.region, bs.region, bi.defaultregion),
|
||
|
|
COALESCE(bp.weight, bs.weight, bi.defaultweight),
|
||
|
|
bi.id";
|
||
|
|
|
||
|
|
$allparams = $params + $parentcontextparams + $pagetypepatternparams + $requiredbythemeparams + $requiredbythemenotparams;
|
||
|
|
$blockinstances = $DB->get_recordset_sql($sql, $allparams);
|
||
|
|
|
||
|
|
$this->birecordsbyregion = $this->prepare_per_region_arrays();
|
||
|
|
$unknown = array();
|
||
|
|
foreach ($blockinstances as $bi) {
|
||
|
|
context_helper::preload_from_record($bi);
|
||
|
|
if ($this->is_known_region($bi->region)) {
|
||
|
|
$this->birecordsbyregion[$bi->region][] = $bi;
|
||
|
|
} else {
|
||
|
|
$unknown[] = $bi;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
$blockinstances->close();
|
||
|
|
|
||
|
|
// Pages don't necessarily have a defaultregion. The one time this can
|
||
|
|
// happen is when there are no theme block regions, but the script itself
|
||
|
|
// has a block region in the main content area.
|
||
|
|
if (!empty($this->defaultregion)) {
|
||
|
|
$this->birecordsbyregion[$this->defaultregion] =
|
||
|
|
array_merge($this->birecordsbyregion[$this->defaultregion], $unknown);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Add a block to the current page, or related pages. The block is added to
|
||
|
|
* context $this->page->contextid. If $pagetypepattern $subpagepattern
|
||
|
|
*
|
||
|
|
* @param string $blockname The type of block to add.
|
||
|
|
* @param string $region the block region on this page to add the block to.
|
||
|
|
* @param integer $weight determines the order where this block appears in the region.
|
||
|
|
* @param boolean $showinsubcontexts whether this block appears in subcontexts, or just the current context.
|
||
|
|
* @param string|null $pagetypepattern which page types this block should appear on. Defaults to just the current page type.
|
||
|
|
* @param string|null $subpagepattern which subpage this block should appear on. NULL = any (the default), otherwise only the specified subpage.
|
||
|
|
*/
|
||
|
|
public function add_block($blockname, $region, $weight, $showinsubcontexts, $pagetypepattern = NULL, $subpagepattern = NULL) {
|
||
|
|
global $DB;
|
||
|
|
// Allow invisible blocks because this is used when adding default page blocks, which
|
||
|
|
// might include invisible ones if the user makes some default blocks invisible
|
||
|
|
$this->check_known_block_type($blockname, true);
|
||
|
|
$this->check_region_is_known($region);
|
||
|
|
|
||
|
|
if (empty($pagetypepattern)) {
|
||
|
|
$pagetypepattern = $this->page->pagetype;
|
||
|
|
}
|
||
|
|
|
||
|
|
$blockinstance = new stdClass;
|
||
|
|
$blockinstance->blockname = $blockname;
|
||
|
|
$blockinstance->parentcontextid = $this->page->context->id;
|
||
|
|
$blockinstance->showinsubcontexts = !empty($showinsubcontexts);
|
||
|
|
$blockinstance->pagetypepattern = $pagetypepattern;
|
||
|
|
$blockinstance->subpagepattern = $subpagepattern;
|
||
|
|
$blockinstance->defaultregion = $region;
|
||
|
|
$blockinstance->defaultweight = $weight;
|
||
|
|
$blockinstance->configdata = '';
|
||
|
|
$blockinstance->timecreated = time();
|
||
|
|
$blockinstance->timemodified = $blockinstance->timecreated;
|
||
|
|
$blockinstance->id = $DB->insert_record('block_instances', $blockinstance);
|
||
|
|
|
||
|
|
// Ensure the block context is created.
|
||
|
|
context_block::instance($blockinstance->id);
|
||
|
|
|
||
|
|
// If the new instance was created, allow it to do additional setup
|
||
|
|
if ($block = block_instance($blockname, $blockinstance)) {
|
||
|
|
$block->instance_create();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public function add_block_at_end_of_default_region($blockname) {
|
||
|
|
if (empty($this->birecordsbyregion)) {
|
||
|
|
// No blocks or block regions exist yet.
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
$defaulregion = $this->get_default_region();
|
||
|
|
|
||
|
|
$lastcurrentblock = end($this->birecordsbyregion[$defaulregion]);
|
||
|
|
if ($lastcurrentblock) {
|
||
|
|
$weight = $lastcurrentblock->weight + 1;
|
||
|
|
} else {
|
||
|
|
$weight = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($this->page->subpage) {
|
||
|
|
$subpage = $this->page->subpage;
|
||
|
|
} else {
|
||
|
|
$subpage = null;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Special case. Course view page type include the course format, but we
|
||
|
|
// want to add the block non-format-specifically.
|
||
|
|
$pagetypepattern = $this->page->pagetype;
|
||
|
|
if (strpos($pagetypepattern, 'course-view') === 0) {
|
||
|
|
$pagetypepattern = 'course-view-*';
|
||
|
|
}
|
||
|
|
|
||
|
|
// We should end using this for ALL the blocks, making always the 1st option
|
||
|
|
// the default one to be used. Until then, this is one hack to avoid the
|
||
|
|
// 'pagetypewarning' message on blocks initial edition (MDL-27829) caused by
|
||
|
|
// non-existing $pagetypepattern set. This way at least we guarantee one "valid"
|
||
|
|
// (the FIRST $pagetypepattern will be set)
|
||
|
|
|
||
|
|
// We are applying it to all blocks created in mod pages for now and only if the
|
||
|
|
// default pagetype is not one of the available options
|
||
|
|
if (preg_match('/^mod-.*-/', $pagetypepattern)) {
|
||
|
|
$pagetypelist = generate_page_type_patterns($this->page->pagetype, null, $this->page->context);
|
||
|
|
// Only go for the first if the pagetype is not a valid option
|
||
|
|
if (is_array($pagetypelist) && !array_key_exists($pagetypepattern, $pagetypelist)) {
|
||
|
|
$pagetypepattern = key($pagetypelist);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// Surely other pages like course-report will need this too, they just are not important
|
||
|
|
// enough now. This will be decided in the coming days. (MDL-27829, MDL-28150)
|
||
|
|
|
||
|
|
$this->add_block($blockname, $defaulregion, $weight, false, $pagetypepattern, $subpage);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Convenience method, calls add_block repeatedly for all the blocks in $blocks. Optionally, a starting weight
|
||
|
|
* can be used to decide the starting point that blocks are added in the region, the weight is passed to {@link add_block}
|
||
|
|
* and incremented by the position of the block in the $blocks array
|
||
|
|
*
|
||
|
|
* @param array $blocks array with array keys the region names, and values an array of block names.
|
||
|
|
* @param string $pagetypepattern optional. Passed to {@link add_block()}
|
||
|
|
* @param string $subpagepattern optional. Passed to {@link add_block()}
|
||
|
|
* @param boolean $showinsubcontexts optional. Passed to {@link add_block()}
|
||
|
|
* @param integer $weight optional. Determines the starting point that the blocks are added in the region.
|
||
|
|
*/
|
||
|
|
public function add_blocks($blocks, $pagetypepattern = NULL, $subpagepattern = NULL, $showinsubcontexts=false, $weight=0) {
|
||
|
|
$initialweight = $weight;
|
||
|
|
$this->add_regions(array_keys($blocks), false);
|
||
|
|
foreach ($blocks as $region => $regionblocks) {
|
||
|
|
foreach ($regionblocks as $offset => $blockname) {
|
||
|
|
$weight = $initialweight + $offset;
|
||
|
|
$this->add_block($blockname, $region, $weight, $showinsubcontexts, $pagetypepattern, $subpagepattern);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Move a block to a new position on this page.
|
||
|
|
*
|
||
|
|
* If this block cannot appear on any other pages, then we change defaultposition/weight
|
||
|
|
* in the block_instances table. Otherwise we just set the position on this page.
|
||
|
|
*
|
||
|
|
* @param $blockinstanceid the block instance id.
|
||
|
|
* @param $newregion the new region name.
|
||
|
|
* @param $newweight the new weight.
|
||
|
|
*/
|
||
|
|
public function reposition_block($blockinstanceid, $newregion, $newweight) {
|
||
|
|
global $DB;
|
||
|
|
|
||
|
|
$this->check_region_is_known($newregion);
|
||
|
|
$inst = $this->find_instance($blockinstanceid);
|
||
|
|
|
||
|
|
$bi = $inst->instance;
|
||
|
|
if ($bi->weight == $bi->defaultweight && $bi->region == $bi->defaultregion &&
|
||
|
|
!$bi->showinsubcontexts && strpos($bi->pagetypepattern, '*') === false &&
|
||
|
|
(!$this->page->subpage || $bi->subpagepattern)) {
|
||
|
|
|
||
|
|
// Set default position
|
||
|
|
$newbi = new stdClass;
|
||
|
|
$newbi->id = $bi->id;
|
||
|
|
$newbi->defaultregion = $newregion;
|
||
|
|
$newbi->defaultweight = $newweight;
|
||
|
|
$newbi->timemodified = time();
|
||
|
|
$DB->update_record('block_instances', $newbi);
|
||
|
|
|
||
|
|
if ($bi->blockpositionid) {
|
||
|
|
$bp = new stdClass;
|
||
|
|
$bp->id = $bi->blockpositionid;
|
||
|
|
$bp->region = $newregion;
|
||
|
|
$bp->weight = $newweight;
|
||
|
|
$DB->update_record('block_positions', $bp);
|
||
|
|
}
|
||
|
|
|
||
|
|
} else {
|
||
|
|
// Just set position on this page.
|
||
|
|
$bp = new stdClass;
|
||
|
|
$bp->region = $newregion;
|
||
|
|
$bp->weight = $newweight;
|
||
|
|
|
||
|
|
if ($bi->blockpositionid) {
|
||
|
|
$bp->id = $bi->blockpositionid;
|
||
|
|
$DB->update_record('block_positions', $bp);
|
||
|
|
|
||
|
|
} else {
|
||
|
|
$bp->blockinstanceid = $bi->id;
|
||
|
|
$bp->contextid = $this->page->context->id;
|
||
|
|
$bp->pagetype = $this->page->pagetype;
|
||
|
|
if ($this->page->subpage) {
|
||
|
|
$bp->subpage = $this->page->subpage;
|
||
|
|
} else {
|
||
|
|
$bp->subpage = '';
|
||
|
|
}
|
||
|
|
$bp->visible = $bi->visible;
|
||
|
|
$DB->insert_record('block_positions', $bp);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Find a given block by its instance id
|
||
|
|
*
|
||
|
|
* @param integer $instanceid
|
||
|
|
* @return block_base
|
||
|
|
*/
|
||
|
|
public function find_instance($instanceid) {
|
||
|
|
foreach ($this->regions as $region => $notused) {
|
||
|
|
$this->ensure_instances_exist($region);
|
||
|
|
foreach($this->blockinstances[$region] as $instance) {
|
||
|
|
if ($instance->instance->id == $instanceid) {
|
||
|
|
return $instance;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
throw new block_not_on_page_exception($instanceid, $this->page);
|
||
|
|
}
|
||
|
|
|
||
|
|
/// Inner workings =============================================================
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Check whether the page blocks have been loaded yet
|
||
|
|
*
|
||
|
|
* @return void Throws coding exception if already loaded
|
||
|
|
*/
|
||
|
|
protected function check_not_yet_loaded() {
|
||
|
|
if (!is_null($this->birecordsbyregion)) {
|
||
|
|
throw new coding_exception('block_manager has already loaded the blocks, to it is too late to change things that might affect which blocks are visible.');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Check whether the page blocks have been loaded yet
|
||
|
|
*
|
||
|
|
* Nearly identical to the above function {@link check_not_yet_loaded()} except different message
|
||
|
|
*
|
||
|
|
* @return void Throws coding exception if already loaded
|
||
|
|
*/
|
||
|
|
protected function check_is_loaded() {
|
||
|
|
if (is_null($this->birecordsbyregion)) {
|
||
|
|
throw new coding_exception('block_manager has not yet loaded the blocks, to it is too soon to request the information you asked for.');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Check if a block type is known and usable
|
||
|
|
*
|
||
|
|
* @param string $blockname The block type name to search for
|
||
|
|
* @param bool $includeinvisible Include disabled block types in the initial pass
|
||
|
|
* @return void Coding Exception thrown if unknown or not enabled
|
||
|
|
*/
|
||
|
|
protected function check_known_block_type($blockname, $includeinvisible = false) {
|
||
|
|
if (!$this->is_known_block_type($blockname, $includeinvisible)) {
|
||
|
|
if ($this->is_known_block_type($blockname, true)) {
|
||
|
|
throw new coding_exception('Unknown block type ' . $blockname);
|
||
|
|
} else {
|
||
|
|
throw new coding_exception('Block type ' . $blockname . ' has been disabled by the administrator.');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Check if a region is known by its name
|
||
|
|
*
|
||
|
|
* @param string $region
|
||
|
|
* @return void Coding Exception thrown if the region is not known
|
||
|
|
*/
|
||
|
|
protected function check_region_is_known($region) {
|
||
|
|
if (!$this->is_known_region($region)) {
|
||
|
|
throw new coding_exception('Trying to reference an unknown block region ' . $region);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns an array of region names as keys and nested arrays for values
|
||
|
|
*
|
||
|
|
* @return array an array where the array keys are the region names, and the array
|
||
|
|
* values are empty arrays.
|
||
|
|
*/
|
||
|
|
protected function prepare_per_region_arrays() {
|
||
|
|
$result = array();
|
||
|
|
foreach ($this->regions as $region => $notused) {
|
||
|
|
$result[$region] = array();
|
||
|
|
}
|
||
|
|
return $result;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Create a set of new block instance from a record array
|
||
|
|
*
|
||
|
|
* @param array $birecords An array of block instance records
|
||
|
|
* @return array An array of instantiated block_instance objects
|
||
|
|
*/
|
||
|
|
protected function create_block_instances($birecords) {
|
||
|
|
$results = array();
|
||
|
|
foreach ($birecords as $record) {
|
||
|
|
if ($blockobject = block_instance($record->blockname, $record, $this->page)) {
|
||
|
|
$results[] = $blockobject;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return $results;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Create all the block instances for all the blocks that were loaded by
|
||
|
|
* load_blocks. This is used, for example, to ensure that all blocks get a
|
||
|
|
* chance to initialise themselves via the {@link block_base::specialize()}
|
||
|
|
* method, before any output is done.
|
||
|
|
*
|
||
|
|
* It is also used to create any blocks that are "requiredbytheme" by the current theme.
|
||
|
|
* These blocks that are auto-created have requiredbytheme set on the block instance
|
||
|
|
* so they are only visible on themes that require them.
|
||
|
|
*/
|
||
|
|
public function create_all_block_instances() {
|
||
|
|
$missing = false;
|
||
|
|
|
||
|
|
// If there are any un-removable blocks that were not created - force them.
|
||
|
|
$requiredbytheme = $this->get_required_by_theme_block_types();
|
||
|
|
if (!$this->fakeblocksonly) {
|
||
|
|
foreach ($requiredbytheme as $forced) {
|
||
|
|
if (empty($forced)) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
$found = false;
|
||
|
|
foreach ($this->get_regions() as $region) {
|
||
|
|
foreach($this->birecordsbyregion[$region] as $instance) {
|
||
|
|
if ($instance->blockname == $forced) {
|
||
|
|
$found = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (!$found) {
|
||
|
|
$this->add_block_required_by_theme($forced);
|
||
|
|
$missing = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($missing) {
|
||
|
|
// Some blocks were missing. Lets do it again.
|
||
|
|
$this->birecordsbyregion = null;
|
||
|
|
$this->load_blocks();
|
||
|
|
}
|
||
|
|
foreach ($this->get_regions() as $region) {
|
||
|
|
$this->ensure_instances_exist($region);
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Add a block that is required by the current theme but has not been
|
||
|
|
* created yet. This is a special type of block that only shows in themes that
|
||
|
|
* require it (by listing it in undeletable_block_types).
|
||
|
|
*
|
||
|
|
* @param string $blockname the name of the block type.
|
||
|
|
*/
|
||
|
|
protected function add_block_required_by_theme($blockname) {
|
||
|
|
global $DB;
|
||
|
|
|
||
|
|
if (empty($this->birecordsbyregion)) {
|
||
|
|
// No blocks or block regions exist yet.
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Never auto create blocks when we are showing fake blocks only.
|
||
|
|
if ($this->fakeblocksonly) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Never add a duplicate block required by theme.
|
||
|
|
if ($DB->record_exists('block_instances', array('blockname' => $blockname, 'requiredbytheme' => 1))) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
$systemcontext = context_system::instance();
|
||
|
|
$defaultregion = $this->get_default_region();
|
||
|
|
// Add a special system wide block instance only for themes that require it.
|
||
|
|
$blockinstance = new stdClass;
|
||
|
|
$blockinstance->blockname = $blockname;
|
||
|
|
$blockinstance->parentcontextid = $systemcontext->id;
|
||
|
|
$blockinstance->showinsubcontexts = true;
|
||
|
|
$blockinstance->requiredbytheme = true;
|
||
|
|
$blockinstance->pagetypepattern = '*';
|
||
|
|
$blockinstance->subpagepattern = null;
|
||
|
|
$blockinstance->defaultregion = $defaultregion;
|
||
|
|
$blockinstance->defaultweight = 0;
|
||
|
|
$blockinstance->configdata = '';
|
||
|
|
$blockinstance->timecreated = time();
|
||
|
|
$blockinstance->timemodified = $blockinstance->timecreated;
|
||
|
|
$blockinstance->id = $DB->insert_record('block_instances', $blockinstance);
|
||
|
|
|
||
|
|
// Ensure the block context is created.
|
||
|
|
context_block::instance($blockinstance->id);
|
||
|
|
|
||
|
|
// If the new instance was created, allow it to do additional setup.
|
||
|
|
if ($block = block_instance($blockname, $blockinstance)) {
|
||
|
|
$block->instance_create();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Return an array of content objects from a set of block instances
|
||
|
|
*
|
||
|
|
* @param array $instances An array of block instances
|
||
|
|
* @param renderer_base The renderer to use.
|
||
|
|
* @param string $region the region name.
|
||
|
|
* @return array An array of block_content (and possibly block_move_target) objects.
|
||
|
|
*/
|
||
|
|
protected function create_block_contents($instances, $output, $region) {
|
||
|
|
$results = array();
|
||
|
|
|
||
|
|
$lastweight = 0;
|
||
|
|
$lastblock = 0;
|
||
|
|
if ($this->movingblock) {
|
||
|
|
$first = reset($instances);
|
||
|
|
if ($first) {
|
||
|
|
$lastweight = $first->instance->weight - 2;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach ($instances as $instance) {
|
||
|
|
$content = $instance->get_content_for_output($output);
|
||
|
|
if (empty($content)) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($this->movingblock && $lastweight != $instance->instance->weight &&
|
||
|
|
$content->blockinstanceid != $this->movingblock && $lastblock != $this->movingblock) {
|
||
|
|
$results[] = new block_move_target($this->get_move_target_url($region, ($lastweight + $instance->instance->weight)/2));
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($content->blockinstanceid == $this->movingblock) {
|
||
|
|
$content->add_class('beingmoved');
|
||
|
|
$content->annotation .= get_string('movingthisblockcancel', 'block',
|
||
|
|
html_writer::link($this->page->url, get_string('cancel')));
|
||
|
|
}
|
||
|
|
|
||
|
|
$results[] = $content;
|
||
|
|
$lastweight = $instance->instance->weight;
|
||
|
|
$lastblock = $instance->instance->id;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($this->movingblock && $lastblock != $this->movingblock) {
|
||
|
|
$results[] = new block_move_target($this->get_move_target_url($region, $lastweight + 1));
|
||
|
|
}
|
||
|
|
return $results;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Ensure block instances exist for a given region
|
||
|
|
*
|
||
|
|
* @param string $region Check for bi's with the instance with this name
|
||
|
|
*/
|
||
|
|
protected function ensure_instances_exist($region) {
|
||
|
|
$this->check_region_is_known($region);
|
||
|
|
if (!array_key_exists($region, $this->blockinstances)) {
|
||
|
|
$this->blockinstances[$region] =
|
||
|
|
$this->create_block_instances($this->birecordsbyregion[$region]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Ensure that there is some content within the given region
|
||
|
|
*
|
||
|
|
* @param string $region The name of the region to check
|
||
|
|
*/
|
||
|
|
public function ensure_content_created($region, $output) {
|
||
|
|
$this->ensure_instances_exist($region);
|
||
|
|
if (!array_key_exists($region, $this->visibleblockcontent)) {
|
||
|
|
$contents = array();
|
||
|
|
if (array_key_exists($region, $this->extracontent)) {
|
||
|
|
$contents = $this->extracontent[$region];
|
||
|
|
}
|
||
|
|
$contents = array_merge($contents, $this->create_block_contents($this->blockinstances[$region], $output, $region));
|
||
|
|
if (($region == $this->defaultregion) && (!isset($this->page->theme->addblockposition) ||
|
||
|
|
$this->page->theme->addblockposition == BLOCK_ADDBLOCK_POSITION_DEFAULT)) {
|
||
|
|
$addblockui = block_add_block_ui($this->page, $output);
|
||
|
|
if ($addblockui) {
|
||
|
|
$contents[] = $addblockui;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
$this->visibleblockcontent[$region] = $contents;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/// Process actions from the URL ===============================================
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the appropriate list of editing icons for a block. This is used
|
||
|
|
* to set {@link block_contents::$controls} in {@link block_base::get_contents_for_output()}.
|
||
|
|
*
|
||
|
|
* @param $output The core_renderer to use when generating the output. (Need to get icon paths.)
|
||
|
|
* @return an array in the format for {@link block_contents::$controls}
|
||
|
|
*/
|
||
|
|
public function edit_controls($block) {
|
||
|
|
global $CFG;
|
||
|
|
|
||
|
|
$controls = array();
|
||
|
|
$actionurl = $this->page->url->out(false, array('sesskey'=> sesskey()));
|
||
|
|
$blocktitle = $block->title;
|
||
|
|
if (empty($blocktitle)) {
|
||
|
|
$blocktitle = $block->arialabel;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($this->page->user_can_edit_blocks()) {
|
||
|
|
// Move icon.
|
||
|
|
$str = new lang_string('moveblock', 'block', $blocktitle);
|
||
|
|
$controls[] = new action_menu_link_primary(
|
||
|
|
new moodle_url($actionurl, array('bui_moveid' => $block->instance->id)),
|
||
|
|
new pix_icon('t/move', $str, 'moodle', array('class' => 'iconsmall', 'title' => '')),
|
||
|
|
$str,
|
||
|
|
array('class' => 'editing_move')
|
||
|
|
);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($this->page->user_can_edit_blocks() || $block->user_can_edit()) {
|
||
|
|
// Edit config icon - always show - needed for positioning UI.
|
||
|
|
$str = new lang_string('configureblock', 'block', $blocktitle);
|
||
|
|
$controls[] = new action_menu_link_secondary(
|
||
|
|
new moodle_url($actionurl, array('bui_editid' => $block->instance->id)),
|
||
|
|
new pix_icon('t/edit', $str, 'moodle', array('class' => 'iconsmall', 'title' => '')),
|
||
|
|
$str,
|
||
|
|
array('class' => 'editing_edit')
|
||
|
|
);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($this->page->user_can_edit_blocks() && $block->instance_can_be_hidden()) {
|
||
|
|
// Show/hide icon.
|
||
|
|
if ($block->instance->visible) {
|
||
|
|
$str = new lang_string('hideblock', 'block', $blocktitle);
|
||
|
|
$url = new moodle_url($actionurl, array('bui_hideid' => $block->instance->id));
|
||
|
|
$icon = new pix_icon('t/hide', $str, 'moodle', array('class' => 'iconsmall', 'title' => ''));
|
||
|
|
$attributes = array('class' => 'editing_hide');
|
||
|
|
} else {
|
||
|
|
$str = new lang_string('showblock', 'block', $blocktitle);
|
||
|
|
$url = new moodle_url($actionurl, array('bui_showid' => $block->instance->id));
|
||
|
|
$icon = new pix_icon('t/show', $str, 'moodle', array('class' => 'iconsmall', 'title' => ''));
|
||
|
|
$attributes = array('class' => 'editing_show');
|
||
|
|
}
|
||
|
|
$controls[] = new action_menu_link_secondary($url, $icon, $str, $attributes);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Assign roles.
|
||
|
|
if (get_assignable_roles($block->context, ROLENAME_SHORT)) {
|
||
|
|
$rolesurl = new moodle_url('/admin/roles/assign.php', array('contextid' => $block->context->id,
|
||
|
|
'returnurl' => $this->page->url->out_as_local_url()));
|
||
|
|
$str = new lang_string('assignrolesinblock', 'block', $blocktitle);
|
||
|
|
$controls[] = new action_menu_link_secondary(
|
||
|
|
$rolesurl,
|
||
|
|
new pix_icon('i/assignroles', $str, 'moodle', array('class' => 'iconsmall', 'title' => '')),
|
||
|
|
$str, array('class' => 'editing_assignroles')
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Permissions.
|
||
|
|
if (has_capability('moodle/role:review', $block->context) or get_overridable_roles($block->context)) {
|
||
|
|
$rolesurl = new moodle_url('/admin/roles/permissions.php', array('contextid' => $block->context->id,
|
||
|
|
'returnurl' => $this->page->url->out_as_local_url()));
|
||
|
|
$str = get_string('permissions', 'role');
|
||
|
|
$controls[] = new action_menu_link_secondary(
|
||
|
|
$rolesurl,
|
||
|
|
new pix_icon('i/permissions', $str, 'moodle', array('class' => 'iconsmall', 'title' => '')),
|
||
|
|
$str, array('class' => 'editing_permissions')
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Change permissions.
|
||
|
|
if (has_any_capability(array('moodle/role:safeoverride', 'moodle/role:override', 'moodle/role:assign'), $block->context)) {
|
||
|
|
$rolesurl = new moodle_url('/admin/roles/check.php', array('contextid' => $block->context->id,
|
||
|
|
'returnurl' => $this->page->url->out_as_local_url()));
|
||
|
|
$str = get_string('checkpermissions', 'role');
|
||
|
|
$controls[] = new action_menu_link_secondary(
|
||
|
|
$rolesurl,
|
||
|
|
new pix_icon('i/checkpermissions', $str, 'moodle', array('class' => 'iconsmall', 'title' => '')),
|
||
|
|
$str, array('class' => 'editing_checkroles')
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($this->user_can_delete_block($block)) {
|
||
|
|
// Delete icon.
|
||
|
|
$str = new lang_string('deleteblock', 'block', $blocktitle);
|
||
|
|
$controls[] = new action_menu_link_secondary(
|
||
|
|
new moodle_url($actionurl, array('bui_deleteid' => $block->instance->id)),
|
||
|
|
new pix_icon('t/delete', $str, 'moodle', array('class' => 'iconsmall', 'title' => '')),
|
||
|
|
$str,
|
||
|
|
array('class' => 'editing_delete')
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!empty($CFG->contextlocking) && has_capability('moodle/site:managecontextlocks', $block->context)) {
|
||
|
|
$parentcontext = $block->context->get_parent_context();
|
||
|
|
if (empty($parentcontext) || empty($parentcontext->locked)) {
|
||
|
|
if ($block->context->locked) {
|
||
|
|
$lockicon = 'i/unlock';
|
||
|
|
$lockstring = get_string('managecontextunlock', 'admin');
|
||
|
|
} else {
|
||
|
|
$lockicon = 'i/lock';
|
||
|
|
$lockstring = get_string('managecontextlock', 'admin');
|
||
|
|
}
|
||
|
|
$controls[] = new action_menu_link_secondary(
|
||
|
|
new moodle_url(
|
||
|
|
'/admin/lock.php',
|
||
|
|
[
|
||
|
|
'id' => $block->context->id,
|
||
|
|
]
|
||
|
|
),
|
||
|
|
new pix_icon($lockicon, $lockstring, 'moodle', array('class' => 'iconsmall', 'title' => '')),
|
||
|
|
$lockstring,
|
||
|
|
['class' => 'editing_lock']
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $controls;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param block_base $block a block that appears on this page.
|
||
|
|
* @return boolean boolean whether the currently logged in user is allowed to delete this block.
|
||
|
|
*/
|
||
|
|
protected function user_can_delete_block($block) {
|
||
|
|
return $this->page->user_can_edit_blocks() && $block->user_can_edit() &&
|
||
|
|
$block->user_can_addto($this->page) &&
|
||
|
|
!in_array($block->instance->blockname, self::get_undeletable_block_types()) &&
|
||
|
|
!in_array($block->instance->blockname, $this->get_required_by_theme_block_types());
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Process any block actions that were specified in the URL.
|
||
|
|
*
|
||
|
|
* @return boolean true if anything was done. False if not.
|
||
|
|
*/
|
||
|
|
public function process_url_actions() {
|
||
|
|
if (!$this->page->user_is_editing()) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
return $this->process_url_add() || $this->process_url_delete() ||
|
||
|
|
$this->process_url_show_hide() || $this->process_url_edit() ||
|
||
|
|
$this->process_url_move();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Handle adding a block.
|
||
|
|
* @return boolean true if anything was done. False if not.
|
||
|
|
*/
|
||
|
|
public function process_url_add() {
|
||
|
|
global $CFG, $PAGE, $OUTPUT;
|
||
|
|
|
||
|
|
$blocktype = optional_param('bui_addblock', null, PARAM_PLUGIN);
|
||
|
|
if ($blocktype === null) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
require_sesskey();
|
||
|
|
|
||
|
|
if (!$this->page->user_can_edit_blocks()) {
|
||
|
|
throw new moodle_exception('nopermissions', '', $this->page->url->out(), get_string('addblock'));
|
||
|
|
}
|
||
|
|
|
||
|
|
$addableblocks = $this->get_addable_blocks();
|
||
|
|
|
||
|
|
if ($blocktype === '') {
|
||
|
|
// Display add block selection.
|
||
|
|
$addpage = new moodle_page();
|
||
|
|
$addpage->set_pagelayout('admin');
|
||
|
|
$addpage->blocks->show_only_fake_blocks(true);
|
||
|
|
$addpage->set_course($this->page->course);
|
||
|
|
$addpage->set_context($this->page->context);
|
||
|
|
if ($this->page->cm) {
|
||
|
|
$addpage->set_cm($this->page->cm);
|
||
|
|
}
|
||
|
|
|
||
|
|
$addpagebase = str_replace($CFG->wwwroot . '/', '/', $this->page->url->out_omit_querystring());
|
||
|
|
$addpageparams = $this->page->url->params();
|
||
|
|
$addpage->set_url($addpagebase, $addpageparams);
|
||
|
|
$addpage->set_block_actions_done();
|
||
|
|
// At this point we are going to display the block selector, overwrite global $PAGE ready for this.
|
||
|
|
$PAGE = $addpage;
|
||
|
|
// Some functions use $OUTPUT so we need to replace that too.
|
||
|
|
$OUTPUT = $addpage->get_renderer('core');
|
||
|
|
|
||
|
|
$site = get_site();
|
||
|
|
$straddblock = get_string('addblock');
|
||
|
|
|
||
|
|
$PAGE->navbar->add($straddblock);
|
||
|
|
$PAGE->set_title($straddblock);
|
||
|
|
$PAGE->set_heading($site->fullname);
|
||
|
|
echo $OUTPUT->header();
|
||
|
|
echo $OUTPUT->heading($straddblock);
|
||
|
|
|
||
|
|
if (!$addableblocks) {
|
||
|
|
echo $OUTPUT->box(get_string('noblockstoaddhere'));
|
||
|
|
echo $OUTPUT->container($OUTPUT->action_link($addpage->url, get_string('back')), 'mx-3 mb-1');
|
||
|
|
} else {
|
||
|
|
$url = new moodle_url($addpage->url, array('sesskey' => sesskey()));
|
||
|
|
echo $OUTPUT->render_from_template('core/add_block_body',
|
||
|
|
['blocks' => array_values($addableblocks),
|
||
|
|
'url' => '?' . $url->get_query_string(false)]);
|
||
|
|
echo $OUTPUT->container($OUTPUT->action_link($addpage->url, get_string('cancel')), 'mx-3 mb-1');
|
||
|
|
}
|
||
|
|
|
||
|
|
echo $OUTPUT->footer();
|
||
|
|
// Make sure that nothing else happens after we have displayed this form.
|
||
|
|
exit;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!array_key_exists($blocktype, $addableblocks)) {
|
||
|
|
throw new moodle_exception('cannotaddthisblocktype', '', $this->page->url->out(), $blocktype);
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->add_block_at_end_of_default_region($blocktype);
|
||
|
|
|
||
|
|
// If the page URL was a guess, it will contain the bui_... param, so we must make sure it is not there.
|
||
|
|
$this->page->ensure_param_not_in_url('bui_addblock');
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Handle deleting a block.
|
||
|
|
* @return boolean true if anything was done. False if not.
|
||
|
|
*/
|
||
|
|
public function process_url_delete() {
|
||
|
|
global $CFG, $PAGE, $OUTPUT;
|
||
|
|
|
||
|
|
$blockid = optional_param('bui_deleteid', null, PARAM_INT);
|
||
|
|
$confirmdelete = optional_param('bui_confirm', null, PARAM_INT);
|
||
|
|
|
||
|
|
if (!$blockid) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
require_sesskey();
|
||
|
|
$block = $this->page->blocks->find_instance($blockid);
|
||
|
|
if (!$this->user_can_delete_block($block)) {
|
||
|
|
throw new moodle_exception('nopermissions', '', $this->page->url->out(), get_string('deleteablock'));
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!$confirmdelete) {
|
||
|
|
$deletepage = new moodle_page();
|
||
|
|
$deletepage->set_pagelayout('admin');
|
||
|
|
$deletepage->blocks->show_only_fake_blocks(true);
|
||
|
|
$deletepage->set_course($this->page->course);
|
||
|
|
$deletepage->set_context($this->page->context);
|
||
|
|
if ($this->page->cm) {
|
||
|
|
$deletepage->set_cm($this->page->cm);
|
||
|
|
}
|
||
|
|
|
||
|
|
$deleteurlbase = str_replace($CFG->wwwroot . '/', '/', $this->page->url->out_omit_querystring());
|
||
|
|
$deleteurlparams = $this->page->url->params();
|
||
|
|
$deletepage->set_url($deleteurlbase, $deleteurlparams);
|
||
|
|
$deletepage->set_block_actions_done();
|
||
|
|
// At this point we are either going to redirect, or display the form, so
|
||
|
|
// overwrite global $PAGE ready for this. (Formslib refers to it.)
|
||
|
|
$PAGE = $deletepage;
|
||
|
|
//some functions like MoodleQuickForm::addHelpButton use $OUTPUT so we need to replace that too
|
||
|
|
$output = $deletepage->get_renderer('core');
|
||
|
|
$OUTPUT = $output;
|
||
|
|
|
||
|
|
$site = get_site();
|
||
|
|
$blocktitle = $block->get_title();
|
||
|
|
$strdeletecheck = get_string('deletecheck', 'block', $blocktitle);
|
||
|
|
$message = get_string('deleteblockcheck', 'block', $blocktitle);
|
||
|
|
|
||
|
|
// If the block is being shown in sub contexts display a warning.
|
||
|
|
if ($block->instance->showinsubcontexts == 1) {
|
||
|
|
$parentcontext = context::instance_by_id($block->instance->parentcontextid);
|
||
|
|
$systemcontext = context_system::instance();
|
||
|
|
$messagestring = new stdClass();
|
||
|
|
$messagestring->location = $parentcontext->get_context_name();
|
||
|
|
|
||
|
|
// Checking for blocks that may have visibility on the front page and pages added on that.
|
||
|
|
if ($parentcontext->id != $systemcontext->id && is_inside_frontpage($parentcontext)) {
|
||
|
|
$messagestring->pagetype = get_string('showonfrontpageandsubs', 'block');
|
||
|
|
} else {
|
||
|
|
$pagetypes = generate_page_type_patterns($this->page->pagetype, $parentcontext);
|
||
|
|
$messagestring->pagetype = $block->instance->pagetypepattern;
|
||
|
|
if (isset($pagetypes[$block->instance->pagetypepattern])) {
|
||
|
|
$messagestring->pagetype = $pagetypes[$block->instance->pagetypepattern];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$message = get_string('deleteblockwarning', 'block', $messagestring);
|
||
|
|
}
|
||
|
|
|
||
|
|
$PAGE->navbar->add($strdeletecheck);
|
||
|
|
$PAGE->set_title($blocktitle . ': ' . $strdeletecheck);
|
||
|
|
$PAGE->set_heading($site->fullname);
|
||
|
|
echo $OUTPUT->header();
|
||
|
|
$confirmurl = new moodle_url($deletepage->url, array('sesskey' => sesskey(), 'bui_deleteid' => $block->instance->id, 'bui_confirm' => 1));
|
||
|
|
$cancelurl = new moodle_url($deletepage->url);
|
||
|
|
$yesbutton = new single_button($confirmurl, get_string('yes'));
|
||
|
|
$nobutton = new single_button($cancelurl, get_string('no'));
|
||
|
|
echo $OUTPUT->confirm($message, $yesbutton, $nobutton);
|
||
|
|
echo $OUTPUT->footer();
|
||
|
|
// Make sure that nothing else happens after we have displayed this form.
|
||
|
|
exit;
|
||
|
|
} else {
|
||
|
|
blocks_delete_instance($block->instance);
|
||
|
|
// bui_deleteid and bui_confirm should not be in the PAGE url.
|
||
|
|
$this->page->ensure_param_not_in_url('bui_deleteid');
|
||
|
|
$this->page->ensure_param_not_in_url('bui_confirm');
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Handle showing or hiding a block.
|
||
|
|
* @return boolean true if anything was done. False if not.
|
||
|
|
*/
|
||
|
|
public function process_url_show_hide() {
|
||
|
|
if ($blockid = optional_param('bui_hideid', null, PARAM_INT)) {
|
||
|
|
$newvisibility = 0;
|
||
|
|
} else if ($blockid = optional_param('bui_showid', null, PARAM_INT)) {
|
||
|
|
$newvisibility = 1;
|
||
|
|
} else {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
require_sesskey();
|
||
|
|
|
||
|
|
$block = $this->page->blocks->find_instance($blockid);
|
||
|
|
|
||
|
|
if (!$this->page->user_can_edit_blocks()) {
|
||
|
|
throw new moodle_exception('nopermissions', '', $this->page->url->out(), get_string('hideshowblocks'));
|
||
|
|
} else if (!$block->instance_can_be_hidden()) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
blocks_set_visibility($block->instance, $this->page, $newvisibility);
|
||
|
|
|
||
|
|
// If the page URL was a guses, it will contain the bui_... param, so we must make sure it is not there.
|
||
|
|
$this->page->ensure_param_not_in_url('bui_hideid');
|
||
|
|
$this->page->ensure_param_not_in_url('bui_showid');
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Handle showing/processing the submission from the block editing form.
|
||
|
|
* @return boolean true if the form was submitted and the new config saved. Does not
|
||
|
|
* return if the editing form was displayed. False otherwise.
|
||
|
|
*/
|
||
|
|
public function process_url_edit() {
|
||
|
|
global $CFG, $DB, $PAGE, $OUTPUT;
|
||
|
|
|
||
|
|
$blockid = optional_param('bui_editid', null, PARAM_INT);
|
||
|
|
if (!$blockid) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
require_sesskey();
|
||
|
|
require_once($CFG->dirroot . '/blocks/edit_form.php');
|
||
|
|
|
||
|
|
$block = $this->find_instance($blockid);
|
||
|
|
|
||
|
|
if (!$block->user_can_edit() && !$this->page->user_can_edit_blocks()) {
|
||
|
|
throw new moodle_exception('nopermissions', '', $this->page->url->out(), get_string('editblock'));
|
||
|
|
}
|
||
|
|
|
||
|
|
$editpage = new moodle_page();
|
||
|
|
$editpage->set_pagelayout('admin');
|
||
|
|
$editpage->blocks->show_only_fake_blocks(true);
|
||
|
|
$editpage->set_course($this->page->course);
|
||
|
|
//$editpage->set_context($block->context);
|
||
|
|
$editpage->set_context($this->page->context);
|
||
|
|
if ($this->page->cm) {
|
||
|
|
$editpage->set_cm($this->page->cm);
|
||
|
|
}
|
||
|
|
$editurlbase = str_replace($CFG->wwwroot . '/', '/', $this->page->url->out_omit_querystring());
|
||
|
|
$editurlparams = $this->page->url->params();
|
||
|
|
$editurlparams['bui_editid'] = $blockid;
|
||
|
|
$editpage->set_url($editurlbase, $editurlparams);
|
||
|
|
$editpage->set_block_actions_done();
|
||
|
|
// At this point we are either going to redirect, or display the form, so
|
||
|
|
// overwrite global $PAGE ready for this. (Formslib refers to it.)
|
||
|
|
$PAGE = $editpage;
|
||
|
|
//some functions like MoodleQuickForm::addHelpButton use $OUTPUT so we need to replace that to
|
||
|
|
$output = $editpage->get_renderer('core');
|
||
|
|
$OUTPUT = $output;
|
||
|
|
|
||
|
|
$formfile = $CFG->dirroot . '/blocks/' . $block->name() . '/edit_form.php';
|
||
|
|
if (is_readable($formfile)) {
|
||
|
|
require_once($formfile);
|
||
|
|
$classname = 'block_' . $block->name() . '_edit_form';
|
||
|
|
if (!class_exists($classname)) {
|
||
|
|
$classname = 'block_edit_form';
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
$classname = 'block_edit_form';
|
||
|
|
}
|
||
|
|
|
||
|
|
$mform = new $classname($editpage->url, $block, $this->page);
|
||
|
|
$mform->set_data($block->instance);
|
||
|
|
|
||
|
|
if ($mform->is_cancelled()) {
|
||
|
|
redirect($this->page->url);
|
||
|
|
|
||
|
|
} else if ($data = $mform->get_data()) {
|
||
|
|
$bi = new stdClass;
|
||
|
|
$bi->id = $block->instance->id;
|
||
|
|
|
||
|
|
// This may get overwritten by the special case handling below.
|
||
|
|
$bi->pagetypepattern = $data->bui_pagetypepattern;
|
||
|
|
$bi->showinsubcontexts = (bool) $data->bui_contexts;
|
||
|
|
if (empty($data->bui_subpagepattern) || $data->bui_subpagepattern == '%@NULL@%') {
|
||
|
|
$bi->subpagepattern = null;
|
||
|
|
} else {
|
||
|
|
$bi->subpagepattern = $data->bui_subpagepattern;
|
||
|
|
}
|
||
|
|
|
||
|
|
$systemcontext = context_system::instance();
|
||
|
|
$frontpagecontext = context_course::instance(SITEID);
|
||
|
|
$parentcontext = context::instance_by_id($data->bui_parentcontextid);
|
||
|
|
|
||
|
|
// Updating stickiness and contexts. See MDL-21375 for details.
|
||
|
|
if (has_capability('moodle/site:manageblocks', $parentcontext)) { // Check permissions in destination
|
||
|
|
|
||
|
|
// Explicitly set the default context
|
||
|
|
$bi->parentcontextid = $parentcontext->id;
|
||
|
|
|
||
|
|
if ($data->bui_editingatfrontpage) { // The block is being edited on the front page
|
||
|
|
|
||
|
|
// The interface here is a special case because the pagetype pattern is
|
||
|
|
// totally derived from the context menu. Here are the excpetions. MDL-30340
|
||
|
|
|
||
|
|
switch ($data->bui_contexts) {
|
||
|
|
case BUI_CONTEXTS_ENTIRE_SITE:
|
||
|
|
// The user wants to show the block across the entire site
|
||
|
|
$bi->parentcontextid = $systemcontext->id;
|
||
|
|
$bi->showinsubcontexts = true;
|
||
|
|
$bi->pagetypepattern = '*';
|
||
|
|
break;
|
||
|
|
case BUI_CONTEXTS_FRONTPAGE_SUBS:
|
||
|
|
// The user wants the block shown on the front page and all subcontexts
|
||
|
|
$bi->parentcontextid = $frontpagecontext->id;
|
||
|
|
$bi->showinsubcontexts = true;
|
||
|
|
$bi->pagetypepattern = '*';
|
||
|
|
break;
|
||
|
|
case BUI_CONTEXTS_FRONTPAGE_ONLY:
|
||
|
|
// The user want to show the front page on the frontpage only
|
||
|
|
$bi->parentcontextid = $frontpagecontext->id;
|
||
|
|
$bi->showinsubcontexts = false;
|
||
|
|
$bi->pagetypepattern = 'site-index';
|
||
|
|
// This is the only relevant page type anyway but we'll set it explicitly just
|
||
|
|
// in case the front page grows site-index-* subpages of its own later
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$bits = explode('-', $bi->pagetypepattern);
|
||
|
|
// hacks for some contexts
|
||
|
|
if (($parentcontext->contextlevel == CONTEXT_COURSE) && ($parentcontext->instanceid != SITEID)) {
|
||
|
|
// For course context
|
||
|
|
// is page type pattern is mod-*, change showinsubcontext to 1
|
||
|
|
if ($bits[0] == 'mod' || $bi->pagetypepattern == '*') {
|
||
|
|
$bi->showinsubcontexts = 1;
|
||
|
|
} else {
|
||
|
|
$bi->showinsubcontexts = 0;
|
||
|
|
}
|
||
|
|
} else if ($parentcontext->contextlevel == CONTEXT_USER) {
|
||
|
|
// for user context
|
||
|
|
// subpagepattern should be null
|
||
|
|
if ($bits[0] == 'user' or $bits[0] == 'my') {
|
||
|
|
// we don't need subpagepattern in usercontext
|
||
|
|
$bi->subpagepattern = null;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$bi->defaultregion = $data->bui_defaultregion;
|
||
|
|
$bi->defaultweight = $data->bui_defaultweight;
|
||
|
|
$bi->timemodified = time();
|
||
|
|
$DB->update_record('block_instances', $bi);
|
||
|
|
|
||
|
|
if (!empty($block->config)) {
|
||
|
|
$config = clone($block->config);
|
||
|
|
} else {
|
||
|
|
$config = new stdClass;
|
||
|
|
}
|
||
|
|
foreach ($data as $configfield => $value) {
|
||
|
|
if (strpos($configfield, 'config_') !== 0) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
$field = substr($configfield, 7);
|
||
|
|
$config->$field = $value;
|
||
|
|
}
|
||
|
|
$block->instance_config_save($config);
|
||
|
|
|
||
|
|
$bp = new stdClass;
|
||
|
|
$bp->visible = $data->bui_visible;
|
||
|
|
$bp->region = $data->bui_region;
|
||
|
|
$bp->weight = $data->bui_weight;
|
||
|
|
$needbprecord = !$data->bui_visible || $data->bui_region != $data->bui_defaultregion ||
|
||
|
|
$data->bui_weight != $data->bui_defaultweight;
|
||
|
|
|
||
|
|
if ($block->instance->blockpositionid && !$needbprecord) {
|
||
|
|
$DB->delete_records('block_positions', array('id' => $block->instance->blockpositionid));
|
||
|
|
|
||
|
|
} else if ($block->instance->blockpositionid && $needbprecord) {
|
||
|
|
$bp->id = $block->instance->blockpositionid;
|
||
|
|
$DB->update_record('block_positions', $bp);
|
||
|
|
|
||
|
|
} else if ($needbprecord) {
|
||
|
|
$bp->blockinstanceid = $block->instance->id;
|
||
|
|
$bp->contextid = $this->page->context->id;
|
||
|
|
$bp->pagetype = $this->page->pagetype;
|
||
|
|
if ($this->page->subpage) {
|
||
|
|
$bp->subpage = $this->page->subpage;
|
||
|
|
} else {
|
||
|
|
$bp->subpage = '';
|
||
|
|
}
|
||
|
|
$DB->insert_record('block_positions', $bp);
|
||
|
|
}
|
||
|
|
|
||
|
|
redirect($this->page->url);
|
||
|
|
|
||
|
|
} else {
|
||
|
|
$strheading = get_string('blockconfiga', 'moodle', $block->get_title());
|
||
|
|
$editpage->set_title($strheading);
|
||
|
|
$editpage->set_heading($strheading);
|
||
|
|
$bits = explode('-', $this->page->pagetype);
|
||
|
|
if ($bits[0] == 'tag' && !empty($this->page->subpage)) {
|
||
|
|
// better navbar for tag pages
|
||
|
|
$editpage->navbar->add(get_string('tags'), new moodle_url('/tag/'));
|
||
|
|
$tag = core_tag_tag::get($this->page->subpage);
|
||
|
|
// tag search page doesn't have subpageid
|
||
|
|
if ($tag) {
|
||
|
|
$editpage->navbar->add($tag->get_display_name(), $tag->get_view_url());
|
||
|
|
}
|
||
|
|
}
|
||
|
|
$editpage->navbar->add($block->get_title());
|
||
|
|
$editpage->navbar->add(get_string('configuration'));
|
||
|
|
echo $output->header();
|
||
|
|
echo $output->heading($strheading, 2);
|
||
|
|
$mform->display();
|
||
|
|
echo $output->footer();
|
||
|
|
exit;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Handle showing/processing the submission from the block editing form.
|
||
|
|
* @return boolean true if the form was submitted and the new config saved. Does not
|
||
|
|
* return if the editing form was displayed. False otherwise.
|
||
|
|
*/
|
||
|
|
public function process_url_move() {
|
||
|
|
global $CFG, $DB, $PAGE;
|
||
|
|
|
||
|
|
$blockid = optional_param('bui_moveid', null, PARAM_INT);
|
||
|
|
if (!$blockid) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
require_sesskey();
|
||
|
|
|
||
|
|
$block = $this->find_instance($blockid);
|
||
|
|
|
||
|
|
if (!$this->page->user_can_edit_blocks()) {
|
||
|
|
throw new moodle_exception('nopermissions', '', $this->page->url->out(), get_string('editblock'));
|
||
|
|
}
|
||
|
|
|
||
|
|
$newregion = optional_param('bui_newregion', '', PARAM_ALPHANUMEXT);
|
||
|
|
$newweight = optional_param('bui_newweight', null, PARAM_FLOAT);
|
||
|
|
if (!$newregion || is_null($newweight)) {
|
||
|
|
// Don't have a valid target position yet, must be just starting the move.
|
||
|
|
$this->movingblock = $blockid;
|
||
|
|
$this->page->ensure_param_not_in_url('bui_moveid');
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!$this->is_known_region($newregion)) {
|
||
|
|
throw new moodle_exception('unknownblockregion', '', $this->page->url, $newregion);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Move this block. This may involve moving other nearby blocks.
|
||
|
|
$blocks = $this->birecordsbyregion[$newregion];
|
||
|
|
|
||
|
|
$maxweight = self::MAX_WEIGHT;
|
||
|
|
$minweight = -self::MAX_WEIGHT;
|
||
|
|
|
||
|
|
// Initialise the used weights and spareweights array with the default values
|
||
|
|
$spareweights = array();
|
||
|
|
$usedweights = array();
|
||
|
|
for ($i = $minweight; $i <= $maxweight; $i++) {
|
||
|
|
$spareweights[$i] = $i;
|
||
|
|
$usedweights[$i] = array();
|
||
|
|
}
|
||
|
|
|
||
|
|
// Check each block and sort out where we have used weights
|
||
|
|
foreach ($blocks as $bi) {
|
||
|
|
if ($bi->weight > $maxweight) {
|
||
|
|
// If this statement is true then the blocks weight is more than the
|
||
|
|
// current maximum. To ensure that we can get the best block position
|
||
|
|
// we will initialise elements within the usedweights and spareweights
|
||
|
|
// arrays between the blocks weight (which will then be the new max) and
|
||
|
|
// the current max
|
||
|
|
$parseweight = $bi->weight;
|
||
|
|
while (!array_key_exists($parseweight, $usedweights)) {
|
||
|
|
$usedweights[$parseweight] = array();
|
||
|
|
$spareweights[$parseweight] = $parseweight;
|
||
|
|
$parseweight--;
|
||
|
|
}
|
||
|
|
$maxweight = $bi->weight;
|
||
|
|
} else if ($bi->weight < $minweight) {
|
||
|
|
// As above except this time the blocks weight is LESS than the
|
||
|
|
// the current minimum, so we will initialise the array from the
|
||
|
|
// blocks weight (new minimum) to the current minimum
|
||
|
|
$parseweight = $bi->weight;
|
||
|
|
while (!array_key_exists($parseweight, $usedweights)) {
|
||
|
|
$usedweights[$parseweight] = array();
|
||
|
|
$spareweights[$parseweight] = $parseweight;
|
||
|
|
$parseweight++;
|
||
|
|
}
|
||
|
|
$minweight = $bi->weight;
|
||
|
|
}
|
||
|
|
if ($bi->id != $block->instance->id) {
|
||
|
|
unset($spareweights[$bi->weight]);
|
||
|
|
$usedweights[$bi->weight][] = $bi->id;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// First we find the nearest gap in the list of weights.
|
||
|
|
$bestdistance = max(abs($newweight - self::MAX_WEIGHT), abs($newweight + self::MAX_WEIGHT)) + 1;
|
||
|
|
$bestgap = null;
|
||
|
|
foreach ($spareweights as $spareweight) {
|
||
|
|
if (abs($newweight - $spareweight) < $bestdistance) {
|
||
|
|
$bestdistance = abs($newweight - $spareweight);
|
||
|
|
$bestgap = $spareweight;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// If there is no gap, we have to go outside -self::MAX_WEIGHT .. self::MAX_WEIGHT.
|
||
|
|
if (is_null($bestgap)) {
|
||
|
|
$bestgap = self::MAX_WEIGHT + 1;
|
||
|
|
while (!empty($usedweights[$bestgap])) {
|
||
|
|
$bestgap++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Now we know the gap we are aiming for, so move all the blocks along.
|
||
|
|
if ($bestgap < $newweight) {
|
||
|
|
$newweight = floor($newweight);
|
||
|
|
for ($weight = $bestgap + 1; $weight <= $newweight; $weight++) {
|
||
|
|
if (array_key_exists($weight, $usedweights)) {
|
||
|
|
foreach ($usedweights[$weight] as $biid) {
|
||
|
|
$this->reposition_block($biid, $newregion, $weight - 1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
$this->reposition_block($block->instance->id, $newregion, $newweight);
|
||
|
|
} else {
|
||
|
|
$newweight = ceil($newweight);
|
||
|
|
for ($weight = $bestgap - 1; $weight >= $newweight; $weight--) {
|
||
|
|
if (array_key_exists($weight, $usedweights)) {
|
||
|
|
foreach ($usedweights[$weight] as $biid) {
|
||
|
|
$this->reposition_block($biid, $newregion, $weight + 1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
$this->reposition_block($block->instance->id, $newregion, $newweight);
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->page->ensure_param_not_in_url('bui_moveid');
|
||
|
|
$this->page->ensure_param_not_in_url('bui_newregion');
|
||
|
|
$this->page->ensure_param_not_in_url('bui_newweight');
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Turns the display of normal blocks either on or off.
|
||
|
|
*
|
||
|
|
* @param bool $setting
|
||
|
|
*/
|
||
|
|
public function show_only_fake_blocks($setting = true) {
|
||
|
|
$this->fakeblocksonly = $setting;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/// Helper functions for working with block classes ============================
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Call a class method (one that does not require a block instance) on a block class.
|
||
|
|
*
|
||
|
|
* @param string $blockname the name of the block.
|
||
|
|
* @param string $method the method name.
|
||
|
|
* @param array $param parameters to pass to the method.
|
||
|
|
* @return mixed whatever the method returns.
|
||
|
|
*/
|
||
|
|
function block_method_result($blockname, $method, $param = NULL) {
|
||
|
|
if(!block_load_class($blockname)) {
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
return call_user_func(array('block_'.$blockname, $method), $param);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns a new instance of the specified block instance id.
|
||
|
|
*
|
||
|
|
* @param int $blockinstanceid
|
||
|
|
* @return block_base the requested block instance.
|
||
|
|
*/
|
||
|
|
function block_instance_by_id($blockinstanceid) {
|
||
|
|
global $DB;
|
||
|
|
|
||
|
|
$blockinstance = $DB->get_record('block_instances', ['id' => $blockinstanceid]);
|
||
|
|
$instance = block_instance($blockinstance->blockname, $blockinstance);
|
||
|
|
return $instance;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Creates a new instance of the specified block class.
|
||
|
|
*
|
||
|
|
* @param string $blockname the name of the block.
|
||
|
|
* @param $instance block_instances DB table row (optional).
|
||
|
|
* @param moodle_page $page the page this block is appearing on.
|
||
|
|
* @return block_base the requested block instance.
|
||
|
|
*/
|
||
|
|
function block_instance($blockname, $instance = NULL, $page = NULL) {
|
||
|
|
if(!block_load_class($blockname)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
$classname = 'block_'.$blockname;
|
||
|
|
$retval = new $classname;
|
||
|
|
if($instance !== NULL) {
|
||
|
|
if (is_null($page)) {
|
||
|
|
global $PAGE;
|
||
|
|
$page = $PAGE;
|
||
|
|
}
|
||
|
|
$retval->_load_instance($instance, $page);
|
||
|
|
}
|
||
|
|
return $retval;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Load the block class for a particular type of block.
|
||
|
|
*
|
||
|
|
* @param string $blockname the name of the block.
|
||
|
|
* @return boolean success or failure.
|
||
|
|
*/
|
||
|
|
function block_load_class($blockname) {
|
||
|
|
global $CFG;
|
||
|
|
|
||
|
|
if(empty($blockname)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$classname = 'block_'.$blockname;
|
||
|
|
|
||
|
|
if(class_exists($classname)) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
$blockpath = $CFG->dirroot.'/blocks/'.$blockname.'/block_'.$blockname.'.php';
|
||
|
|
|
||
|
|
if (file_exists($blockpath)) {
|
||
|
|
require_once($CFG->dirroot.'/blocks/moodleblock.class.php');
|
||
|
|
include_once($blockpath);
|
||
|
|
}else{
|
||
|
|
//debugging("$blockname code does not exist in $blockpath", DEBUG_DEVELOPER);
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return class_exists($classname);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Given a specific page type, return all the page type patterns that might
|
||
|
|
* match it.
|
||
|
|
*
|
||
|
|
* @param string $pagetype for example 'course-view-weeks' or 'mod-quiz-view'.
|
||
|
|
* @return array an array of all the page type patterns that might match this page type.
|
||
|
|
*/
|
||
|
|
function matching_page_type_patterns($pagetype) {
|
||
|
|
$patterns = array($pagetype);
|
||
|
|
$bits = explode('-', $pagetype);
|
||
|
|
if (count($bits) == 3 && $bits[0] == 'mod') {
|
||
|
|
if ($bits[2] == 'view') {
|
||
|
|
$patterns[] = 'mod-*-view';
|
||
|
|
} else if ($bits[2] == 'index') {
|
||
|
|
$patterns[] = 'mod-*-index';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
while (count($bits) > 0) {
|
||
|
|
$patterns[] = implode('-', $bits) . '-*';
|
||
|
|
array_pop($bits);
|
||
|
|
}
|
||
|
|
$patterns[] = '*';
|
||
|
|
return $patterns;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Give an specific pattern, return all the page type patterns that would also match it.
|
||
|
|
*
|
||
|
|
* @param string $pattern the pattern, e.g. 'mod-forum-*' or 'mod-quiz-view'.
|
||
|
|
* @return array of all the page type patterns matching.
|
||
|
|
*/
|
||
|
|
function matching_page_type_patterns_from_pattern($pattern) {
|
||
|
|
$patterns = array($pattern);
|
||
|
|
if ($pattern === '*') {
|
||
|
|
return $patterns;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Only keep the part before the star because we will append -* to all the bits.
|
||
|
|
$star = strpos($pattern, '-*');
|
||
|
|
if ($star !== false) {
|
||
|
|
$pattern = substr($pattern, 0, $star);
|
||
|
|
}
|
||
|
|
|
||
|
|
$patterns = array_merge($patterns, matching_page_type_patterns($pattern));
|
||
|
|
$patterns = array_unique($patterns);
|
||
|
|
|
||
|
|
return $patterns;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Given a specific page type, parent context and currect context, return all the page type patterns
|
||
|
|
* that might be used by this block.
|
||
|
|
*
|
||
|
|
* @param string $pagetype for example 'course-view-weeks' or 'mod-quiz-view'.
|
||
|
|
* @param stdClass $parentcontext Block's parent context
|
||
|
|
* @param stdClass $currentcontext Current context of block
|
||
|
|
* @return array an array of all the page type patterns that might match this page type.
|
||
|
|
*/
|
||
|
|
function generate_page_type_patterns($pagetype, $parentcontext = null, $currentcontext = null) {
|
||
|
|
global $CFG; // Required for includes bellow.
|
||
|
|
|
||
|
|
$bits = explode('-', $pagetype);
|
||
|
|
|
||
|
|
$core = core_component::get_core_subsystems();
|
||
|
|
$plugins = core_component::get_plugin_types();
|
||
|
|
|
||
|
|
//progressively strip pieces off the page type looking for a match
|
||
|
|
$componentarray = null;
|
||
|
|
for ($i = count($bits); $i > 0; $i--) {
|
||
|
|
$possiblecomponentarray = array_slice($bits, 0, $i);
|
||
|
|
$possiblecomponent = implode('', $possiblecomponentarray);
|
||
|
|
|
||
|
|
// Check to see if the component is a core component
|
||
|
|
if (array_key_exists($possiblecomponent, $core) && !empty($core[$possiblecomponent])) {
|
||
|
|
$libfile = $core[$possiblecomponent].'/lib.php';
|
||
|
|
if (file_exists($libfile)) {
|
||
|
|
require_once($libfile);
|
||
|
|
$function = $possiblecomponent.'_page_type_list';
|
||
|
|
if (function_exists($function)) {
|
||
|
|
if ($patterns = $function($pagetype, $parentcontext, $currentcontext)) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//check the plugin directory and look for a callback
|
||
|
|
if (array_key_exists($possiblecomponent, $plugins) && !empty($plugins[$possiblecomponent])) {
|
||
|
|
|
||
|
|
//We've found a plugin type. Look for a plugin name by getting the next section of page type
|
||
|
|
if (count($bits) > $i) {
|
||
|
|
$pluginname = $bits[$i];
|
||
|
|
$directory = core_component::get_plugin_directory($possiblecomponent, $pluginname);
|
||
|
|
if (!empty($directory)){
|
||
|
|
$libfile = $directory.'/lib.php';
|
||
|
|
if (file_exists($libfile)) {
|
||
|
|
require_once($libfile);
|
||
|
|
$function = $possiblecomponent.'_'.$pluginname.'_page_type_list';
|
||
|
|
if (!function_exists($function)) {
|
||
|
|
$function = $pluginname.'_page_type_list';
|
||
|
|
}
|
||
|
|
if (function_exists($function)) {
|
||
|
|
if ($patterns = $function($pagetype, $parentcontext, $currentcontext)) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//we'll only get to here if we still don't have any patterns
|
||
|
|
//the plugin type may have a callback
|
||
|
|
$directory = $plugins[$possiblecomponent];
|
||
|
|
$libfile = $directory.'/lib.php';
|
||
|
|
if (file_exists($libfile)) {
|
||
|
|
require_once($libfile);
|
||
|
|
$function = $possiblecomponent.'_page_type_list';
|
||
|
|
if (function_exists($function)) {
|
||
|
|
if ($patterns = $function($pagetype, $parentcontext, $currentcontext)) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (empty($patterns)) {
|
||
|
|
$patterns = default_page_type_list($pagetype, $parentcontext, $currentcontext);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Ensure that the * pattern is always available if editing block 'at distance', so
|
||
|
|
// we always can 'bring back' it to the original context. MDL-30340
|
||
|
|
if ((!isset($currentcontext) or !isset($parentcontext) or $currentcontext->id != $parentcontext->id) && !isset($patterns['*'])) {
|
||
|
|
// TODO: We could change the string here, showing its 'bring back' meaning
|
||
|
|
$patterns['*'] = get_string('page-x', 'pagetype');
|
||
|
|
}
|
||
|
|
|
||
|
|
return $patterns;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Generates a default page type list when a more appropriate callback cannot be decided upon.
|
||
|
|
*
|
||
|
|
* @param string $pagetype
|
||
|
|
* @param stdClass $parentcontext
|
||
|
|
* @param stdClass $currentcontext
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
function default_page_type_list($pagetype, $parentcontext = null, $currentcontext = null) {
|
||
|
|
// Generate page type patterns based on current page type if
|
||
|
|
// callbacks haven't been defined
|
||
|
|
$patterns = array($pagetype => $pagetype);
|
||
|
|
$bits = explode('-', $pagetype);
|
||
|
|
while (count($bits) > 0) {
|
||
|
|
$pattern = implode('-', $bits) . '-*';
|
||
|
|
$pagetypestringname = 'page-'.str_replace('*', 'x', $pattern);
|
||
|
|
// guessing page type description
|
||
|
|
if (get_string_manager()->string_exists($pagetypestringname, 'pagetype')) {
|
||
|
|
$patterns[$pattern] = get_string($pagetypestringname, 'pagetype');
|
||
|
|
} else {
|
||
|
|
$patterns[$pattern] = $pattern;
|
||
|
|
}
|
||
|
|
array_pop($bits);
|
||
|
|
}
|
||
|
|
$patterns['*'] = get_string('page-x', 'pagetype');
|
||
|
|
return $patterns;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Generates the page type list for the my moodle page
|
||
|
|
*
|
||
|
|
* @param string $pagetype
|
||
|
|
* @param stdClass $parentcontext
|
||
|
|
* @param stdClass $currentcontext
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
function my_page_type_list($pagetype, $parentcontext = null, $currentcontext = null) {
|
||
|
|
return array('my-index' => get_string('page-my-index', 'pagetype'));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Generates the page type list for a module by either locating and using the modules callback
|
||
|
|
* or by generating a default list.
|
||
|
|
*
|
||
|
|
* @param string $pagetype
|
||
|
|
* @param stdClass $parentcontext
|
||
|
|
* @param stdClass $currentcontext
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
function mod_page_type_list($pagetype, $parentcontext = null, $currentcontext = null) {
|
||
|
|
$patterns = plugin_page_type_list($pagetype, $parentcontext, $currentcontext);
|
||
|
|
if (empty($patterns)) {
|
||
|
|
// if modules don't have callbacks
|
||
|
|
// generate two default page type patterns for modules only
|
||
|
|
$bits = explode('-', $pagetype);
|
||
|
|
$patterns = array($pagetype => $pagetype);
|
||
|
|
if ($bits[2] == 'view') {
|
||
|
|
$patterns['mod-*-view'] = get_string('page-mod-x-view', 'pagetype');
|
||
|
|
} else if ($bits[2] == 'index') {
|
||
|
|
$patterns['mod-*-index'] = get_string('page-mod-x-index', 'pagetype');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return $patterns;
|
||
|
|
}
|
||
|
|
/// Functions update the blocks if required by the request parameters ==========
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Return a {@link block_contents} representing the add a new block UI, if
|
||
|
|
* this user is allowed to see it.
|
||
|
|
*
|
||
|
|
* @return block_contents an appropriate block_contents, or null if the user
|
||
|
|
* cannot add any blocks here.
|
||
|
|
*/
|
||
|
|
function block_add_block_ui($page, $output) {
|
||
|
|
global $CFG, $OUTPUT;
|
||
|
|
if (!$page->user_is_editing() || !$page->user_can_edit_blocks()) {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
|
||
|
|
$bc = new block_contents();
|
||
|
|
$bc->title = get_string('addblock');
|
||
|
|
$bc->add_class('block_adminblock');
|
||
|
|
$bc->attributes['data-block'] = 'adminblock';
|
||
|
|
|
||
|
|
$missingblocks = $page->blocks->get_addable_blocks();
|
||
|
|
if (empty($missingblocks)) {
|
||
|
|
$bc->content = get_string('noblockstoaddhere');
|
||
|
|
return $bc;
|
||
|
|
}
|
||
|
|
|
||
|
|
$menu = array();
|
||
|
|
foreach ($missingblocks as $block) {
|
||
|
|
$menu[$block->name] = $block->title;
|
||
|
|
}
|
||
|
|
|
||
|
|
$actionurl = new moodle_url($page->url, array('sesskey'=>sesskey()));
|
||
|
|
$select = new single_select($actionurl, 'bui_addblock', $menu, null, array(''=>get_string('adddots')), 'add_block');
|
||
|
|
$select->set_label(get_string('addblock'), array('class'=>'accesshide'));
|
||
|
|
$bc->content = $OUTPUT->render($select);
|
||
|
|
return $bc;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Actually delete from the database any blocks that are currently on this page,
|
||
|
|
* but which should not be there according to blocks_name_allowed_in_format.
|
||
|
|
*
|
||
|
|
* @todo Write/Fix this function. Currently returns immediately
|
||
|
|
* @param $course
|
||
|
|
*/
|
||
|
|
function blocks_remove_inappropriate($course) {
|
||
|
|
// TODO
|
||
|
|
return;
|
||
|
|
/*
|
||
|
|
$blockmanager = blocks_get_by_page($page);
|
||
|
|
|
||
|
|
if (empty($blockmanager)) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (($pageformat = $page->pagetype) == NULL) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach($blockmanager as $region) {
|
||
|
|
foreach($region as $instance) {
|
||
|
|
$block = blocks_get_record($instance->blockid);
|
||
|
|
if(!blocks_name_allowed_in_format($block->name, $pageformat)) {
|
||
|
|
blocks_delete_instance($instance->instance);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}*/
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Check that a given name is in a permittable format
|
||
|
|
*
|
||
|
|
* @param string $name
|
||
|
|
* @param string $pageformat
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
function blocks_name_allowed_in_format($name, $pageformat) {
|
||
|
|
$accept = NULL;
|
||
|
|
$maxdepth = -1;
|
||
|
|
if (!$bi = block_instance($name)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$formats = $bi->applicable_formats();
|
||
|
|
if (!$formats) {
|
||
|
|
$formats = array();
|
||
|
|
}
|
||
|
|
foreach ($formats as $format => $allowed) {
|
||
|
|
$formatregex = '/^'.str_replace('*', '[^-]*', $format).'.*$/';
|
||
|
|
$depth = substr_count($format, '-');
|
||
|
|
if (preg_match($formatregex, $pageformat) && $depth > $maxdepth) {
|
||
|
|
$maxdepth = $depth;
|
||
|
|
$accept = $allowed;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if ($accept === NULL) {
|
||
|
|
$accept = !empty($formats['all']);
|
||
|
|
}
|
||
|
|
return $accept;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Delete a block, and associated data.
|
||
|
|
*
|
||
|
|
* @param object $instance a row from the block_instances table
|
||
|
|
* @param bool $nolongerused legacy parameter. Not used, but kept for backwards compatibility.
|
||
|
|
* @param bool $skipblockstables for internal use only. Makes @see blocks_delete_all_for_context() more efficient.
|
||
|
|
*/
|
||
|
|
function blocks_delete_instance($instance, $nolongerused = false, $skipblockstables = false) {
|
||
|
|
global $DB;
|
||
|
|
|
||
|
|
// Allow plugins to use this block before we completely delete it.
|
||
|
|
if ($pluginsfunction = get_plugins_with_function('pre_block_delete')) {
|
||
|
|
foreach ($pluginsfunction as $plugintype => $plugins) {
|
||
|
|
foreach ($plugins as $pluginfunction) {
|
||
|
|
$pluginfunction($instance);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($block = block_instance($instance->blockname, $instance)) {
|
||
|
|
$block->instance_delete();
|
||
|
|
}
|
||
|
|
context_helper::delete_instance(CONTEXT_BLOCK, $instance->id);
|
||
|
|
|
||
|
|
if (!$skipblockstables) {
|
||
|
|
$DB->delete_records('block_positions', array('blockinstanceid' => $instance->id));
|
||
|
|
$DB->delete_records('block_instances', array('id' => $instance->id));
|
||
|
|
$DB->delete_records_list('user_preferences', 'name', array('block'.$instance->id.'hidden','docked_block_instance_'.$instance->id));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Delete multiple blocks at once.
|
||
|
|
*
|
||
|
|
* @param array $instanceids A list of block instance ID.
|
||
|
|
*/
|
||
|
|
function blocks_delete_instances($instanceids) {
|
||
|
|
global $DB;
|
||
|
|
|
||
|
|
$limit = 1000;
|
||
|
|
$count = count($instanceids);
|
||
|
|
$chunks = [$instanceids];
|
||
|
|
if ($count > $limit) {
|
||
|
|
$chunks = array_chunk($instanceids, $limit);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Perform deletion for each chunk.
|
||
|
|
foreach ($chunks as $chunk) {
|
||
|
|
$instances = $DB->get_recordset_list('block_instances', 'id', $chunk);
|
||
|
|
foreach ($instances as $instance) {
|
||
|
|
blocks_delete_instance($instance, false, true);
|
||
|
|
}
|
||
|
|
$instances->close();
|
||
|
|
|
||
|
|
$DB->delete_records_list('block_positions', 'blockinstanceid', $chunk);
|
||
|
|
$DB->delete_records_list('block_instances', 'id', $chunk);
|
||
|
|
|
||
|
|
$preferences = array();
|
||
|
|
foreach ($chunk as $instanceid) {
|
||
|
|
$preferences[] = 'block' . $instanceid . 'hidden';
|
||
|
|
$preferences[] = 'docked_block_instance_' . $instanceid;
|
||
|
|
}
|
||
|
|
$DB->delete_records_list('user_preferences', 'name', $preferences);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Delete all the blocks that belong to a particular context.
|
||
|
|
*
|
||
|
|
* @param int $contextid the context id.
|
||
|
|
*/
|
||
|
|
function blocks_delete_all_for_context($contextid) {
|
||
|
|
global $DB;
|
||
|
|
$instances = $DB->get_recordset('block_instances', array('parentcontextid' => $contextid));
|
||
|
|
foreach ($instances as $instance) {
|
||
|
|
blocks_delete_instance($instance, true);
|
||
|
|
}
|
||
|
|
$instances->close();
|
||
|
|
$DB->delete_records('block_instances', array('parentcontextid' => $contextid));
|
||
|
|
$DB->delete_records('block_positions', array('contextid' => $contextid));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set a block to be visible or hidden on a particular page.
|
||
|
|
*
|
||
|
|
* @param object $instance a row from the block_instances, preferably LEFT JOINed with the
|
||
|
|
* block_positions table as return by block_manager.
|
||
|
|
* @param moodle_page $page the back to set the visibility with respect to.
|
||
|
|
* @param integer $newvisibility 1 for visible, 0 for hidden.
|
||
|
|
*/
|
||
|
|
function blocks_set_visibility($instance, $page, $newvisibility) {
|
||
|
|
global $DB;
|
||
|
|
if (!empty($instance->blockpositionid)) {
|
||
|
|
// Already have local information on this page.
|
||
|
|
$DB->set_field('block_positions', 'visible', $newvisibility, array('id' => $instance->blockpositionid));
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Create a new block_positions record.
|
||
|
|
$bp = new stdClass;
|
||
|
|
$bp->blockinstanceid = $instance->id;
|
||
|
|
$bp->contextid = $page->context->id;
|
||
|
|
$bp->pagetype = $page->pagetype;
|
||
|
|
if ($page->subpage) {
|
||
|
|
$bp->subpage = $page->subpage;
|
||
|
|
}
|
||
|
|
$bp->visible = $newvisibility;
|
||
|
|
$bp->region = $instance->defaultregion;
|
||
|
|
$bp->weight = $instance->defaultweight;
|
||
|
|
$DB->insert_record('block_positions', $bp);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the block record for a particular blockid - that is, a particular type os block.
|
||
|
|
*
|
||
|
|
* @param $int blockid block type id. If null, an array of all block types is returned.
|
||
|
|
* @param bool $notusedanymore No longer used.
|
||
|
|
* @return array|object row from block table, or all rows.
|
||
|
|
*/
|
||
|
|
function blocks_get_record($blockid = NULL, $notusedanymore = false) {
|
||
|
|
global $PAGE;
|
||
|
|
$blocks = $PAGE->blocks->get_installed_blocks();
|
||
|
|
if ($blockid === NULL) {
|
||
|
|
return $blocks;
|
||
|
|
} else if (isset($blocks[$blockid])) {
|
||
|
|
return $blocks[$blockid];
|
||
|
|
} else {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Find a given block by its blockid within a provide array
|
||
|
|
*
|
||
|
|
* @param int $blockid
|
||
|
|
* @param array $blocksarray
|
||
|
|
* @return bool|object Instance if found else false
|
||
|
|
*/
|
||
|
|
function blocks_find_block($blockid, $blocksarray) {
|
||
|
|
if (empty($blocksarray)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
foreach($blocksarray as $blockgroup) {
|
||
|
|
if (empty($blockgroup)) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
foreach($blockgroup as $instance) {
|
||
|
|
if($instance->blockid == $blockid) {
|
||
|
|
return $instance;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Functions for programatically adding default blocks to pages ================
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Parse a list of default blocks. See config-dist for a description of the format.
|
||
|
|
*
|
||
|
|
* @param string $blocksstr Determines the starting point that the blocks are added in the region.
|
||
|
|
* @return array the parsed list of default blocks
|
||
|
|
*/
|
||
|
|
function blocks_parse_default_blocks_list($blocksstr) {
|
||
|
|
$blocks = array();
|
||
|
|
$bits = explode(':', $blocksstr);
|
||
|
|
if (!empty($bits)) {
|
||
|
|
$leftbits = trim(array_shift($bits));
|
||
|
|
if ($leftbits != '') {
|
||
|
|
$blocks[BLOCK_POS_LEFT] = explode(',', $leftbits);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (!empty($bits)) {
|
||
|
|
$rightbits = trim(array_shift($bits));
|
||
|
|
if ($rightbits != '') {
|
||
|
|
$blocks[BLOCK_POS_RIGHT] = explode(',', $rightbits);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return $blocks;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @return array the blocks that should be added to the site course by default.
|
||
|
|
*/
|
||
|
|
function blocks_get_default_site_course_blocks() {
|
||
|
|
global $CFG;
|
||
|
|
|
||
|
|
if (isset($CFG->defaultblocks_site)) {
|
||
|
|
return blocks_parse_default_blocks_list($CFG->defaultblocks_site);
|
||
|
|
} else {
|
||
|
|
return array(
|
||
|
|
BLOCK_POS_LEFT => array(),
|
||
|
|
BLOCK_POS_RIGHT => array()
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Add the default blocks to a course.
|
||
|
|
*
|
||
|
|
* @param object $course a course object.
|
||
|
|
*/
|
||
|
|
function blocks_add_default_course_blocks($course) {
|
||
|
|
global $CFG;
|
||
|
|
|
||
|
|
if (isset($CFG->defaultblocks_override)) {
|
||
|
|
$blocknames = blocks_parse_default_blocks_list($CFG->defaultblocks_override);
|
||
|
|
|
||
|
|
} else if ($course->id == SITEID) {
|
||
|
|
$blocknames = blocks_get_default_site_course_blocks();
|
||
|
|
|
||
|
|
} else if (isset($CFG->{'defaultblocks_' . $course->format})) {
|
||
|
|
$blocknames = blocks_parse_default_blocks_list($CFG->{'defaultblocks_' . $course->format});
|
||
|
|
|
||
|
|
} else {
|
||
|
|
require_once($CFG->dirroot. '/course/lib.php');
|
||
|
|
$blocknames = course_get_format($course)->get_default_blocks();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($course->id == SITEID) {
|
||
|
|
$pagetypepattern = 'site-index';
|
||
|
|
} else {
|
||
|
|
$pagetypepattern = 'course-view-*';
|
||
|
|
}
|
||
|
|
$page = new moodle_page();
|
||
|
|
$page->set_course($course);
|
||
|
|
$page->blocks->add_blocks($blocknames, $pagetypepattern);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Add the default system-context blocks. E.g. the admin tree.
|
||
|
|
*/
|
||
|
|
function blocks_add_default_system_blocks() {
|
||
|
|
global $DB;
|
||
|
|
|
||
|
|
$page = new moodle_page();
|
||
|
|
$page->set_context(context_system::instance());
|
||
|
|
// We don't add blocks required by the theme, they will be auto-created.
|
||
|
|
$page->blocks->add_blocks(array(BLOCK_POS_LEFT => array('admin_bookmarks')), 'admin-*', null, null, 2);
|
||
|
|
|
||
|
|
if ($defaultmypage = $DB->get_record('my_pages', array('userid' => null, 'name' => '__default', 'private' => 1))) {
|
||
|
|
$subpagepattern = $defaultmypage->id;
|
||
|
|
} else {
|
||
|
|
$subpagepattern = null;
|
||
|
|
}
|
||
|
|
|
||
|
|
$newblocks = array('timeline', 'private_files', 'online_users', 'badges', 'calendar_month', 'calendar_upcoming');
|
||
|
|
$newcontent = array('lp', 'recentlyaccessedcourses', 'myoverview');
|
||
|
|
$page->blocks->add_blocks(array(BLOCK_POS_RIGHT => $newblocks, 'content' => $newcontent), 'my-index', $subpagepattern);
|
||
|
|
}
|