blocklib.php MDL-19236 added phpdocs and copyrights
This commit is contained in:
+318
-72
@@ -1,35 +1,33 @@
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<?php //$Id$
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<?php
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///////////////////////////////////////////////////////////////////////////
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// //
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// NOTICE OF COPYRIGHT //
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// //
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// Moodle - Modular Object-Oriented Dynamic Learning Environment //
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// http://moodle.org //
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// //
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// Copyright (C) 1999 onwards Martin Dougiamas http://dougiamas.com //
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// //
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// This program 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 2 of the License, or //
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// (at your option) any later version. //
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// //
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// This program 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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// http://www.gnu.org/copyleft/gpl.html //
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// //
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///////////////////////////////////////////////////////////////////////////
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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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* This library includes all the necessary stuff to use blocks on pages in Moodle.
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* Block Class and Functions
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*
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* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
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* @package pages
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* @todo Document what this file does
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*
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* @package moodlecore
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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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/**
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* Block Defines
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*/
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define('BLOCK_MOVE_LEFT', 0x01);
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define('BLOCK_MOVE_RIGHT', 0x02);
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define('BLOCK_MOVE_UP', 0x04);
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@@ -45,7 +43,18 @@ define('BLOCKS_PINNED_BOTH',2);
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require_once($CFG->libdir.'/pagelib.php');
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/**
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*
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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* @package moodlecore
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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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* Contructor
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*
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* @param int $instanceid
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* @param object $page
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*/
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public function __construct($instanceid, $page) {
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$a = new stdClass;
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$a->instanceid = $instanceid;
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@@ -55,6 +64,8 @@ class block_not_on_page_exception extends moodle_exception {
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}
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/**
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* Block Manager
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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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* The page to work with as passed to the constructor.
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* The only fields of moodle_page that is uses are ->context, ->pagetype and
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@@ -77,35 +88,41 @@ class block_not_on_page_exception extends moodle_exception {
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* deprecated functions mostly working by changing blocks_setup to return the
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* block_manger object, and then use 'implements ArrayAccess' so that the right
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* thing happens when legacy code does something like $pageblocks[BLOCK_POS_LEFT].
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*
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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* @package moodlecore
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*/
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class block_manager implements ArrayAccess {
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/// Field declarations =========================================================
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/** @var object */
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protected $page;
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/** @var array */
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protected $regions = array();
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/** @var string */
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protected $defaultregion;
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/** @var array */
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protected $allblocks = null; // Will be get_records('blocks');
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/** @var array */
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protected $addableblocks = null; // Will be a subset of $allblocks.
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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_content objects) what acutally 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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@@ -115,7 +132,7 @@ class block_manager implements ArrayAccess {
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* Constructor.
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* @param object $page the moodle_page object object we are managing the blocks for,
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* or a reasonable faxilimily. (See the comment at the top of this classe
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* and http://en.wikipedia.org/wiki/Duck_typing)
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* and {@link http://en.wikipedia.org/wiki/Duck_typing})
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*/
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public function __construct($page) {
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$this->page = $page;
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@@ -124,6 +141,8 @@ class block_manager implements ArrayAccess {
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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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@@ -131,6 +150,8 @@ class block_manager implements ArrayAccess {
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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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@@ -142,6 +163,7 @@ class block_manager implements ArrayAccess {
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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 id => record from block table.
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*/
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public function get_addable_blocks() {
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@@ -171,11 +193,17 @@ class block_manager implements ArrayAccess {
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return $this->addableblocks;
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}
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/**
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* Find out if a block is present ? just a guess
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* @todo Write this function and document
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*/
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public function is_block_present($blocktypeid) {
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// TODO
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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 ta 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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@@ -191,6 +219,8 @@ class block_manager implements ArrayAccess {
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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 retion exists on this page.
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*/
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@@ -199,7 +229,9 @@ class block_manager implements ArrayAccess {
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}
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/**
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* @param $region a block region that exists on this page.
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* Get an array of all blocks within a given region
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*
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* @param string $region a block region that exists on this page.
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* @return array of block instances.
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*/
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public function get_blocks_for_region($region) {
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@@ -209,6 +241,8 @@ class block_manager implements ArrayAccess {
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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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* @param $region a block region that exists on this page.
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* @return array of block block_content objects for all the blocks in a region.
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*/
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@@ -219,7 +253,9 @@ class block_manager implements ArrayAccess {
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}
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/**
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* Get the list of all installed blocks.
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* Get an array of all of the installed blocks.
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*
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* @global object
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* @return array contents of the block table.
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*/
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public function get_installed_blocks() {
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@@ -233,6 +269,8 @@ class block_manager implements ArrayAccess {
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/// Setter methods =============================================================
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/**
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* Add a region to a page
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*
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* @param string $region add a named region where blocks may appear on the
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* current page. This is an internal name, like 'side-pre', not a string to
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* display in the UI.
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@@ -243,6 +281,9 @@ class block_manager implements ArrayAccess {
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}
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/**
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* Add an array of regions
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* @see add_region()
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*
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* @param array $regions this utility method calls add_region for each array element.
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*/
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public function add_regions($regions) {
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@@ -252,6 +293,8 @@ class block_manager implements ArrayAccess {
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}
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/**
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* Set the default region for new blocks on the page
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*
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* @param string $defaultregion the internal names of the region where new
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* blocks should be added by default, and where any blocks from an
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* unrecognised region are shown.
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@@ -266,6 +309,12 @@ class block_manager implements ArrayAccess {
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/**
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* This method actually loads the blocks for our page from the database.
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*
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* @global object
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* @global object
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* @uses SQL_PARAMS_NAMED
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* @param bool|null $includeinvisible
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* @return void
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*/
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public function load_blocks($includeinvisible = NULL) {
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global $DB, $CFG;
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@@ -357,6 +406,10 @@ class block_manager implements ArrayAccess {
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/**
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* Add a block to the current page, or related pages. The block is added to
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* context $this->page->contextid. If $pagetypepattern $subpagepattern
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*
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* @global object
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* @uses CONTEXT_COURSE
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* @uses CONTEXT_BLOCK
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* @param string $blockname The type of block to add.
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* @param string $region the block region on this page to add the block to.
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* @param integer $weight determines the order where this block appears in the region.
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@@ -396,6 +449,7 @@ class block_manager implements ArrayAccess {
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/**
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* Convenience method, calls add_block repeatedly for all the blocks in $blocks.
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*
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* @param array $blocks array with arrray keys the region names, and values an array of block names.
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* @param string $pagetypepattern optional. Passed to @see add_block()
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* @param string $subpagepattern optional. Passed to @see add_block()
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@@ -412,9 +466,10 @@ class block_manager implements ArrayAccess {
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}
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/**
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*
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* Find a given block by its instance id
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*
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* @param integer $instanceid
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* @return unknown_type
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* @return object
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*/
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public function find_instance($instanceid) {
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foreach ($this->regions as $region => $notused) {
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@@ -433,6 +488,7 @@ class block_manager implements ArrayAccess {
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/**
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* Given a specific page type, return all the page type patterns that might
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* match it.
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*
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* @param string $pagetype for example 'course-view-weeks' or 'mod-quiz-view'.
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* @return array an array of all the page type patterns that might match this page type.
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*/
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@@ -453,18 +509,37 @@ class block_manager implements ArrayAccess {
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return $patterns;
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}
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/**
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* Check whether the page blocks have been loaded yet
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*
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* @return void Throws coding exception if already loaded
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*/
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protected function check_not_yet_loaded() {
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if (!is_null($this->birecordsbyregion)) {
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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.');
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}
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}
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/**
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* Check whether the page blocks have been loaded yet
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*
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* Nearly identical to the above function {@link check_not_yet_loaded()} except different message
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*
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* @return void Throws coding exception if already loaded
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*/
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protected function check_is_loaded() {
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if (is_null($this->birecordsbyregion)) {
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throw new coding_exception('block_manager has not yet loaded the blocks, to it is too soon to request the information you asked for.');
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}
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}
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/**
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* Check if a block type is known and usable
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*
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* @param string $blockname The block type name to search for
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* @param bool $includeinvisible Include disabled block types in the intial pass
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* @return void Coding Exception thrown if unknown or not enabled
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*/
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protected function check_known_block_type($blockname, $includeinvisible = false) {
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if (!$this->is_known_block_type($blockname, $includeinvisible)) {
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if ($this->is_known_block_type($blockname, true)) {
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@@ -475,6 +550,12 @@ class block_manager implements ArrayAccess {
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}
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}
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/**
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* Check if a region is known by its name
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*
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* @param string $region
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* @return void Coding Exception thrown if the region is not known
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*/
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protected function check_region_is_known($region) {
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if (!$this->is_known_region($region)) {
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throw new coding_exception('Trying to reference an unknown block region ' . $region);
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@@ -482,6 +563,8 @@ class block_manager implements ArrayAccess {
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}
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/**
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* Returns an array of region names as keys and nested arrays for values
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*
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* @return array an array where the array keys are the region names, and the array
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* values are empty arrays.
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*/
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@@ -493,6 +576,12 @@ class block_manager implements ArrayAccess {
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return $result;
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}
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/**
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* Create a set of new block instance from a record array
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*
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* @param array $birecords An array of block instance records
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* @return array An array of instantiated block_instance objects
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*/
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protected function create_block_instances($birecords) {
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$results = array();
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foreach ($birecords as $record) {
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@@ -501,6 +590,12 @@ class block_manager implements ArrayAccess {
|
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return $results;
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||||
}
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||||
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||||
/**
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||||
* Return an array of content vars from a set of block instances
|
||||
*
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||||
* @param array $instances An array of block instances
|
||||
* @return array An array of content vars
|
||||
*/
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protected function create_block_content($instances) {
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$results = array();
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foreach ($instances as $instance) {
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@@ -516,6 +611,11 @@ class block_manager implements ArrayAccess {
|
||||
return $results;
|
||||
}
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||||
|
||||
/**
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||||
* 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);
|
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if (!array_key_exists($region, $this->blockinstances)) {
|
||||
@@ -524,6 +624,11 @@ class block_manager implements ArrayAccess {
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Ensure that there is some content within the given region
|
||||
*
|
||||
* @param string $region The name of the region to check
|
||||
*/
|
||||
protected function ensure_content_created($region) {
|
||||
$this->ensure_instances_exist($region);
|
||||
if (!array_key_exists($region, $this->visibleblockcontent)) {
|
||||
@@ -533,14 +638,17 @@ class block_manager implements ArrayAccess {
|
||||
}
|
||||
|
||||
/// Deprecated stuff for backwards compatibility ===============================
|
||||
|
||||
/** @deprecated Remains to ensure backwards compatibility */
|
||||
public function offsetSet($offset, $value) {
|
||||
}
|
||||
/** @deprecated Remains to ensure backwards compatibility */
|
||||
public function offsetExists($offset) {
|
||||
return $this->is_known_region($offset);
|
||||
}
|
||||
/** @deprecated Remains to ensure backwards compatibility */
|
||||
public function offsetUnset($offset) {
|
||||
}
|
||||
/** @deprecated Remains to ensure backwards compatibility */
|
||||
public function offsetGet($offset) {
|
||||
return $this->get_blocks_for_region($offset);
|
||||
}
|
||||
@@ -548,32 +656,37 @@ class block_manager implements ArrayAccess {
|
||||
|
||||
/**
|
||||
* This class holds all the information required to view a block.
|
||||
*
|
||||
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
|
||||
* @package moodlecore
|
||||
*/
|
||||
abstract class block_content {
|
||||
/** Id used to uniquely identify this block in the HTML. */
|
||||
/** @var int Id used to uniquely identify this block in the HTML. */
|
||||
public $id = null;
|
||||
/** Class names to add to this block's container in the HTML. */
|
||||
/** @var array Class names to add to this block's container in the HTML. */
|
||||
public $classes = array();
|
||||
/** The content that appears in the title bar at the top of the block (HTML). */
|
||||
/** @var string The content that appears in the title bar at the top of the block (HTML). */
|
||||
public $heading = null;
|
||||
/** Plain text name of this block instance, used in the skip links. */
|
||||
/** @var string Plain text name of this block instance, used in the skip links. */
|
||||
public $title = null;
|
||||
/**
|
||||
* A (possibly empty) array of editing controls. Array keys should be a
|
||||
* short string, e.g. 'edit', 'move' and the values are the HTML of the icons.
|
||||
* @var array
|
||||
*/
|
||||
public $editingcontrols = array();
|
||||
/** The content that appears within the block, as HTML. */
|
||||
/** @var string The content that appears within the block, as HTML. */
|
||||
public $content = null;
|
||||
/** The content that appears at the end of the block. */
|
||||
/** @var string The content that appears at the end of the block. */
|
||||
public $footer = null;
|
||||
/**
|
||||
* Any small print that should appear under the block to explain to the
|
||||
* teacher about the block, for example 'This is a sticky block that was
|
||||
* added in the system context.'
|
||||
* @var string
|
||||
*/
|
||||
public $annotation = null;
|
||||
/** The result of the preferred_width method, which the theme may choose to use, or ignore. */
|
||||
/** @var string The result of the preferred_width method, which the theme may choose to use, or ignore. */
|
||||
public $preferredwidth = null;
|
||||
public abstract function get_content();
|
||||
}
|
||||
@@ -582,6 +695,7 @@ abstract class block_content {
|
||||
|
||||
/**
|
||||
* Call a class method (one that does not requrie a block instance) on a block class.
|
||||
*
|
||||
* @param string $blockname the name of the block.
|
||||
* @param string $method the method name.
|
||||
* @param array $param parameters to pass to the method.
|
||||
@@ -596,6 +710,7 @@ function block_method_result($blockname, $method, $param = NULL) {
|
||||
|
||||
/**
|
||||
* Creates a new object of the specified block class.
|
||||
*
|
||||
* @param string $blockname the name of the block.
|
||||
* @param $instance block_instances DB table row (optional).
|
||||
* @param moodle_page $page the page this block is appearing on.
|
||||
@@ -619,6 +734,8 @@ function block_instance($blockname, $instance = NULL, $page = NULL) {
|
||||
|
||||
/**
|
||||
* Load the block class for a particular type of block.
|
||||
*
|
||||
* @global object
|
||||
* @param string $blockname the name of the block.
|
||||
* @return boolean success or failure.
|
||||
*/
|
||||
@@ -645,8 +762,10 @@ function block_load_class($blockname) {
|
||||
|
||||
/**
|
||||
* @deprecated since Moodle 2.0 - use $page->blocks->get
|
||||
*
|
||||
* This function returns an array with the IDs of any blocks that you can add to your page.
|
||||
* Parameters are passed by reference for speed; they are not modified at all.
|
||||
*
|
||||
* @param $page the page object.
|
||||
* @param $blockmanager Not used.
|
||||
* @return array of block type ids.
|
||||
@@ -658,6 +777,8 @@ function blocks_get_missing(&$page, &$blockmanager) {
|
||||
/**
|
||||
* 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 immediatly
|
||||
* @param $page a page object.
|
||||
*/
|
||||
function blocks_remove_inappropriate($page) {
|
||||
@@ -683,6 +804,13 @@ function blocks_remove_inappropriate($page) {
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 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;
|
||||
$maxdepth = -1;
|
||||
@@ -706,9 +834,12 @@ function blocks_name_allowed_in_format($name, $pageformat) {
|
||||
|
||||
/**
|
||||
* Delete a block, and associated data.
|
||||
*
|
||||
* @global object
|
||||
* @uses CONTEXT_BLOCK
|
||||
* @param object $instance a row from the block_instances table
|
||||
* @param $nolongerused legacy parameter. Not used, but kept for bacwards compatibility.
|
||||
* @param $skipblockstables for internal use only. Makes @see blocks_delete_all_for_context() more efficient.
|
||||
* @param bool $nolongerused legacy parameter. Not used, but kept for bacwards 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 $DB;
|
||||
@@ -728,9 +859,10 @@ function blocks_delete_instance($instance, $nolongerused = false, $skipblockstab
|
||||
* @deprecated since 2.0
|
||||
* Delete all the blocks from a particular page.
|
||||
*
|
||||
* @global object
|
||||
* @param string $pagetype the page type.
|
||||
* @param integer $pageid the page id.
|
||||
* @return success of failure.
|
||||
* @return bool success or failure.
|
||||
*/
|
||||
function blocks_delete_all_on_page($pagetype, $pageid) {
|
||||
global $DB;
|
||||
@@ -743,7 +875,9 @@ function blocks_delete_all_on_page($pagetype, $pageid) {
|
||||
|
||||
/**
|
||||
* Delete all the blocks that belong to a particular context.
|
||||
* @param $contextid the context id.
|
||||
*
|
||||
* @global object
|
||||
* @param int $contextid the context id.
|
||||
*/
|
||||
function blocks_delete_all_for_context($contextid) {
|
||||
global $DB;
|
||||
@@ -756,16 +890,36 @@ function blocks_delete_all_for_context($contextid) {
|
||||
$DB->delete_records('block_positions', array('contextid' => $contextid));
|
||||
}
|
||||
|
||||
// Accepts an array of block instances and checks to see if any of them have content to display
|
||||
// (causing them to calculate their content in the process). Returns true or false. Parameter passed
|
||||
// by reference for speed; the array is actually not modified.
|
||||
/**
|
||||
* Accepts an array of block instances and checks to see if any of them have content to display
|
||||
* (causing them to calculate their content in the process). Returns true or false. Parameter passed
|
||||
* by reference for speed; the array is actually not modified.
|
||||
*
|
||||
* @todo Deprecate this function
|
||||
* @deprecated
|
||||
*
|
||||
* @param object $blockmanager
|
||||
* @param string $region
|
||||
* @return bool
|
||||
*/
|
||||
function blocks_have_content(&$blockmanager, $region) {
|
||||
// TODO deprecate
|
||||
$content = $blockmanager->get_content_for_region($region);
|
||||
return !empty($content);
|
||||
}
|
||||
|
||||
// This function prints one group of blocks in a page
|
||||
/**
|
||||
* This function prints one group of blocks in a page
|
||||
*
|
||||
* @todo Complete this function
|
||||
*
|
||||
* @global object
|
||||
* @global object
|
||||
* @global object
|
||||
* @param object $page
|
||||
* @param object $blockmanager
|
||||
* @param string $region
|
||||
*/
|
||||
function blocks_print_group($page, $blockmanager, $region) {
|
||||
global $COURSE, $CFG, $USER;
|
||||
|
||||
@@ -813,16 +967,24 @@ function blocks_print_group($page, $blockmanager, $region) {
|
||||
}
|
||||
}
|
||||
|
||||
// This iterates over an array of blocks and calculates the preferred width
|
||||
// Parameter passed by reference for speed; it's not modified.
|
||||
/**
|
||||
* This iterates over an array of blocks and calculates the preferred width
|
||||
* Parameter passed by reference for speed; it's not modified.
|
||||
*
|
||||
* @todo Finish this function
|
||||
*
|
||||
* @param mixed $instances
|
||||
*/
|
||||
function blocks_preferred_width($instances) {
|
||||
$width = 210;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the block record for a particulr blockid.
|
||||
* @param $blockid block type id. If null, an array of all block types is returned.
|
||||
* @param $notusedanymore No longer used.
|
||||
*
|
||||
* @global object
|
||||
* @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, $notusedanymore = false) {
|
||||
@@ -837,6 +999,13 @@ function blocks_get_record($blockid = NULL, $notusedanymore = 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;
|
||||
@@ -854,13 +1023,36 @@ function blocks_find_block($blockid, $blocksarray) {
|
||||
return false;
|
||||
}
|
||||
|
||||
// Simple entry point for anyone that wants to use blocks
|
||||
/**
|
||||
* Simple entry point for anyone that wants to use blocks
|
||||
*
|
||||
* @uses BLOCKS_PINNED_FALSE
|
||||
* @param object $page
|
||||
* @return array
|
||||
*/
|
||||
function blocks_setup(&$page, $pinned = BLOCKS_PINNED_FALSE) {
|
||||
$page->blocks->load_blocks();
|
||||
blocks_execute_url_action($page, $page->blocks);
|
||||
return $page->blocks;
|
||||
}
|
||||
|
||||
/**
|
||||
* @todo Document this function, description
|
||||
*
|
||||
* @global object
|
||||
* @global object
|
||||
* @global object
|
||||
* @uses BLOCK_MOVE_UP
|
||||
* @uses BLOCK_MOVE_DOWN
|
||||
* @uses BLOCK_MOVE_RIGHT
|
||||
* @uses BLOCK_MOVE_LEFT
|
||||
* @param object $page The page object
|
||||
* @param object $blockmanager The block manager object
|
||||
* @param string $blockaction One of [config, add, delete]
|
||||
* @param int|object $instanceorid The instance id or a block_instance object
|
||||
* @param bool $pinned
|
||||
* @param bool $redirect To redirect or not to that is the question but you should stick with true
|
||||
*/
|
||||
function blocks_execute_action($page, &$blockmanager, $blockaction, $instanceorid, $pinned=false, $redirect=true) {
|
||||
global $CFG, $USER, $DB;
|
||||
|
||||
@@ -1075,7 +1267,15 @@ function blocks_execute_action($page, &$blockmanager, $blockaction, $instanceori
|
||||
}
|
||||
}
|
||||
|
||||
// You can use this to get the blocks to respond to URL actions without much hassle
|
||||
/**
|
||||
* You can use this to get the blocks to respond to URL actions without much hassle
|
||||
*
|
||||
* @uses PARAM_ALPHA
|
||||
* @uses PARAM_INT
|
||||
* @param object $PAGE
|
||||
* @param object $blockmanager
|
||||
* @param bool $pinned
|
||||
*/
|
||||
function blocks_execute_url_action(&$PAGE, &$blockmanager,$pinned=false) {
|
||||
$blockaction = optional_param('blockaction', '', PARAM_ALPHA);
|
||||
|
||||
@@ -1094,8 +1294,18 @@ function blocks_execute_url_action(&$PAGE, &$blockmanager,$pinned=false) {
|
||||
}
|
||||
}
|
||||
|
||||
// This shouldn't be used externally at all, it's here for use by blocks_execute_action()
|
||||
// in order to reduce code repetition.
|
||||
/**
|
||||
* This shouldn't be used externally at all, it's here for use by blocks_execute_action()
|
||||
* in order to reduce code repetition.
|
||||
*
|
||||
* @todo Remove exception when MDL-19010 is fixed
|
||||
*
|
||||
* global object
|
||||
* @param $instance
|
||||
* @param $newpos
|
||||
* @param string|int $newweight
|
||||
* @param bool $pinned
|
||||
*/
|
||||
function blocks_execute_repositioning(&$instance, $newpos, $newweight, $pinned=false) {
|
||||
global $DB;
|
||||
|
||||
@@ -1135,15 +1345,18 @@ function blocks_execute_repositioning(&$instance, $newpos, $newweight, $pinned=f
|
||||
|
||||
/**
|
||||
* Moves a block to the new position (column) and weight (sort order).
|
||||
* @param $instance - The block instance to be moved.
|
||||
* @param $destpos - BLOCK_POS_LEFT or BLOCK_POS_RIGHT. The destination column.
|
||||
* @param $destweight - The destination sort order. If NULL, we add to the end
|
||||
* of the destination column.
|
||||
* @param $pinned - Are we moving pinned blocks? We can only move pinned blocks
|
||||
* to a new position withing the pinned list. Likewise, we
|
||||
* can only moved non-pinned blocks to a new position within
|
||||
* the non-pinned list.
|
||||
* @return boolean (success or failure).
|
||||
*
|
||||
* @global object
|
||||
* @global object
|
||||
* @param object $instance The block instance to be moved.
|
||||
* @param string $destpos BLOCK_POS_LEFT or BLOCK_POS_RIGHT. The destination column.
|
||||
* @param string $destweight The destination sort order. If NULL, we add to the end
|
||||
* of the destination column.
|
||||
* @param bool $pinned Are we moving pinned blocks? We can only move pinned blocks
|
||||
* to a new position withing the pinned list. Likewise, we
|
||||
* can only moved non-pinned blocks to a new position within
|
||||
* the non-pinned list.
|
||||
* @return boolean success or failure
|
||||
*/
|
||||
function blocks_move_block($page, &$instance, $destpos, $destweight=NULL, $pinned=false) {
|
||||
global $CFG, $DB;
|
||||
@@ -1213,6 +1426,9 @@ function blocks_move_block($page, &$instance, $destpos, $destweight=NULL, $pinne
|
||||
* Returns an array consisting of 2 arrays:
|
||||
* 1) Array of pinned blocks for position BLOCK_POS_LEFT
|
||||
* 2) Array of pinned blocks for position BLOCK_POS_RIGHT
|
||||
*
|
||||
* @global object
|
||||
* @param object $page
|
||||
*/
|
||||
function blocks_get_pinned($page) {
|
||||
global $DB;
|
||||
@@ -1253,6 +1469,9 @@ function blocks_get_pinned($page) {
|
||||
* Similar to blocks_get_by_page(), except that, the array returned includes
|
||||
* pinned blocks as well. Pinned blocks are always appended before normal
|
||||
* block instances.
|
||||
*
|
||||
* @param object $page
|
||||
* @return array
|
||||
*/
|
||||
function blocks_get_by_page_pinned($page) {
|
||||
$pinned = blocks_get_pinned($page);
|
||||
@@ -1282,6 +1501,10 @@ function blocks_get_by_page_pinned($page) {
|
||||
|
||||
/**
|
||||
* Returns an array of blocks for the page. Pinned blocks are excluded.
|
||||
*
|
||||
* @todo Check backwards compatibility hack
|
||||
* @global object
|
||||
* @param object $page
|
||||
*/
|
||||
function blocks_get_by_page($page) {
|
||||
global $DB;
|
||||
@@ -1290,8 +1513,14 @@ function blocks_get_by_page($page) {
|
||||
return $page->blocks;
|
||||
}
|
||||
|
||||
|
||||
//This function prints the block to admin blocks as necessary
|
||||
/**
|
||||
* This function prints the block to admin blocks as necessary
|
||||
*
|
||||
* @global object
|
||||
* @uses SORT_LOCALE_STRING
|
||||
* @param object $page
|
||||
* @param object $blockmanager
|
||||
*/
|
||||
function blocks_print_adminblock($page, $blockmanager) {
|
||||
global $USER;
|
||||
|
||||
@@ -1320,6 +1549,9 @@ function blocks_print_adminblock($page, $blockmanager) {
|
||||
|
||||
/**
|
||||
* Parse a list of default blocks. See config-dist for a description of the format.
|
||||
*
|
||||
* @uses BLOCK_POS_LEFT
|
||||
* @uses BLOCK_POS_RIGHT
|
||||
* @param string $blocksstr
|
||||
* @return array
|
||||
*/
|
||||
@@ -1336,6 +1568,9 @@ function blocks_parse_default_blocks_list($blocksstr) {
|
||||
}
|
||||
|
||||
/**
|
||||
* @global object
|
||||
* @uses BLOCK_POS_LEFT
|
||||
* @uses BLOCK_POS_RIGHT
|
||||
* @return array the blocks that should be added to the site course by default.
|
||||
*/
|
||||
function blocks_get_default_site_course_blocks() {
|
||||
@@ -1353,6 +1588,11 @@ function blocks_get_default_site_course_blocks() {
|
||||
|
||||
/**
|
||||
* Add the default blocks to a course.
|
||||
*
|
||||
* @global object
|
||||
* @uses SITEID
|
||||
* @uses BLOCK_POS_LEFT
|
||||
* @uses BLOCK_POS_RIGHT
|
||||
* @param object $course a course object.
|
||||
*/
|
||||
function blocks_add_default_course_blocks($course) {
|
||||
@@ -1402,6 +1642,9 @@ function blocks_add_default_course_blocks($course) {
|
||||
|
||||
/**
|
||||
* Add the default system-context blocks. E.g. the admin tree.
|
||||
*
|
||||
* @uses BLOCK_POS_LEFT
|
||||
* @uses CONTEXT_SYSTEM
|
||||
*/
|
||||
function blocks_add_default_system_blocks() {
|
||||
$page = new moodle_page();
|
||||
@@ -1410,9 +1653,12 @@ function blocks_add_default_system_blocks() {
|
||||
}
|
||||
|
||||
/**
|
||||
* @deprecated since 2.0
|
||||
* Dispite what this function is called, it seems to be mostly used to populate
|
||||
* the default blocks when a new course (or whatever) is created.
|
||||
*
|
||||
* @deprecated since 2.0
|
||||
* @global object
|
||||
* @uses DEBUG_DEVELOPER
|
||||
* @param object $page the page to add default blocks to.
|
||||
* @return boolean success or failure.
|
||||
*/
|
||||
|
||||
Reference in New Issue
Block a user