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efrain |
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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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* Library functions to facilitate the use of JavaScript in Moodle.
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*
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* Note: you can find history of this file in lib/ajax/ajaxlib.php
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*
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* @copyright 2009 Tim Hunt, 2010 Petr Skoda
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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* @package core
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* @category output
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*/
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defined('MOODLE_INTERNAL') || die();
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/**
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* This class tracks all the things that are needed by the current page.
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*
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* Normally, the only instance of this class you will need to work with is the
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* one accessible via $PAGE->requires.
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*
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* Typical usage would be
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* <pre>
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* $PAGE->requires->js_call_amd('mod_forum/view', 'init');
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* </pre>
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*
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* It also supports obsoleted coding style with/without YUI3 modules.
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* <pre>
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* $PAGE->requires->js_init_call('M.mod_forum.init_view');
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* $PAGE->requires->css('/mod/mymod/userstyles.php?id='.$id); // not overridable via themes!
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* $PAGE->requires->js('/mod/mymod/script.js');
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* $PAGE->requires->js('/mod/mymod/small_but_urgent.js', true);
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* $PAGE->requires->js_function_call('init_mymod', array($data), true);
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* </pre>
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*
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* There are some natural restrictions on some methods. For example, {@link css()}
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* can only be called before the <head> tag is output. See the comments on the
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* individual methods for details.
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*
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* @copyright 2009 Tim Hunt, 2010 Petr Skoda
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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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* @package core
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* @category output
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*/
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class page_requirements_manager {
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/**
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* @var array List of string available from JS
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*/
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protected $stringsforjs = array();
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/**
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* @var array List of get_string $a parameters - used for validation only.
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*/
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protected $stringsforjs_as = array();
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/**
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* @var array List of JS variables to be initialised
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*/
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protected $jsinitvariables = array('head'=>array(), 'footer'=>array());
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/**
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* @var array Included JS scripts
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*/
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protected $jsincludes = array('head'=>array(), 'footer'=>array());
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/**
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* @var array Inline scripts using RequireJS module loading.
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*/
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protected $amdjscode = array('');
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/**
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* @var array List of needed function calls
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*/
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protected $jscalls = array('normal'=>array(), 'ondomready'=>array());
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/**
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* @var array List of skip links, those are needed for accessibility reasons
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*/
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protected $skiplinks = array();
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/**
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* @var array Javascript code used for initialisation of page, it should
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* be relatively small
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*/
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protected $jsinitcode = array();
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/**
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* @var array of moodle_url Theme sheets, initialised only from core_renderer
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*/
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protected $cssthemeurls = array();
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/**
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* @var array of moodle_url List of custom theme sheets, these are strongly discouraged!
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* Useful mostly only for CSS submitted by teachers that is not part of the theme.
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*/
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protected $cssurls = array();
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/**
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* @var array List of requested event handlers
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*/
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protected $eventhandlers = array();
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/**
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* @var array Extra modules
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*/
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protected $extramodules = array();
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/**
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* @var array trackes the names of bits of HTML that are only required once
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* per page. See {@link has_one_time_item_been_created()},
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* {@link set_one_time_item_created()} and {@link should_create_one_time_item_now()}.
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*/
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protected $onetimeitemsoutput = array();
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/**
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* @var bool Flag indicated head stuff already printed
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*/
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protected $headdone = false;
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/**
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* @var bool Flag indicating top of body already printed
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*/
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protected $topofbodydone = false;
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/**
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* @var stdClass YUI PHPLoader instance responsible for YUI3 loading from PHP only
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*/
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protected $yui3loader;
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/**
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* @var YUI_config default YUI loader configuration
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*/
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protected $YUI_config;
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/**
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* @var array $yuicssmodules
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*/
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protected $yuicssmodules = array();
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/**
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* @var array Some config vars exposed in JS, please no secret stuff there
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*/
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protected $M_cfg;
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/**
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* @var array list of requested jQuery plugins
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*/
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protected $jqueryplugins = array();
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/**
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* @var array list of jQuery plugin overrides
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*/
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protected $jquerypluginoverrides = array();
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/**
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* Page requirements constructor.
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*/
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public function __construct() {
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global $CFG;
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// You may need to set up URL rewrite rule because oversized URLs might not be allowed by web server.
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$sep = empty($CFG->yuislasharguments) ? '?' : '/';
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$this->yui3loader = new stdClass();
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$this->YUI_config = new YUI_config();
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// Set up some loader options.
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$this->yui3loader->local_base = $CFG->wwwroot . '/lib/yuilib/'. $CFG->yui3version . '/';
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$this->yui3loader->local_comboBase = $CFG->wwwroot . '/theme/yui_combo.php'.$sep;
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$this->yui3loader->base = $this->yui3loader->local_base;
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$this->yui3loader->comboBase = $this->yui3loader->local_comboBase;
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// Enable combo loader? This significantly helps with caching and performance!
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$this->yui3loader->combine = !empty($CFG->yuicomboloading);
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$jsrev = $this->get_jsrev();
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// Set up JS YUI loader helper object.
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$this->YUI_config->base = $this->yui3loader->base;
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$this->YUI_config->comboBase = $this->yui3loader->comboBase;
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$this->YUI_config->combine = $this->yui3loader->combine;
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// If we've had to patch any YUI modules between releases, we must override the YUI configuration to include them.
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if (!empty($CFG->yuipatchedmodules) && !empty($CFG->yuipatchlevel)) {
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$this->YUI_config->define_patched_core_modules($this->yui3loader->local_comboBase,
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$CFG->yui3version,
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$CFG->yuipatchlevel,
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$CFG->yuipatchedmodules);
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}
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$configname = $this->YUI_config->set_config_source('lib/yui/config/yui2.js');
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$this->YUI_config->add_group('yui2', array(
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// Loader configuration for our 2in3.
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'base' => $CFG->wwwroot . '/lib/yuilib/2in3/' . $CFG->yui2version . '/build/',
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'comboBase' => $CFG->wwwroot . '/theme/yui_combo.php'.$sep,
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'combine' => $this->yui3loader->combine,
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'ext' => false,
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'root' => '2in3/' . $CFG->yui2version .'/build/',
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'patterns' => array(
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'yui2-' => array(
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'group' => 'yui2',
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'configFn' => $configname,
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)
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)
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));
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$configname = $this->YUI_config->set_config_source('lib/yui/config/moodle.js');
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$this->YUI_config->add_group('moodle', array(
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'name' => 'moodle',
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'base' => $CFG->wwwroot . '/theme/yui_combo.php' . $sep . 'm/' . $jsrev . '/',
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'combine' => $this->yui3loader->combine,
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'comboBase' => $CFG->wwwroot . '/theme/yui_combo.php'.$sep,
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'ext' => false,
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'root' => 'm/'.$jsrev.'/', // Add the rev to the root path so that we can control caching.
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'patterns' => array(
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'moodle-' => array(
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'group' => 'moodle',
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'configFn' => $configname,
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)
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)
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));
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$this->YUI_config->add_group('gallery', array(
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'name' => 'gallery',
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'base' => $CFG->wwwroot . '/lib/yuilib/gallery/',
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'combine' => $this->yui3loader->combine,
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'comboBase' => $CFG->wwwroot . '/theme/yui_combo.php' . $sep,
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'ext' => false,
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'root' => 'gallery/' . $jsrev . '/',
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'patterns' => array(
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'gallery-' => array(
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'group' => 'gallery',
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)
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)
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));
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// Set some more loader options applying to groups too.
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if ($CFG->debugdeveloper) {
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// When debugging is enabled, we want to load the non-minified (RAW) versions of YUI library modules rather
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// than the DEBUG versions as these generally generate too much logging for our purposes.
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// However we do want the DEBUG versions of our Moodle-specific modules.
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// To debug a YUI-specific issue, change the yui3loader->filter value to DEBUG.
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$this->YUI_config->filter = 'RAW';
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$this->YUI_config->groups['moodle']['filter'] = 'DEBUG';
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// We use the yui3loader->filter setting when writing the YUI3 seed scripts into the header.
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$this->yui3loader->filter = $this->YUI_config->filter;
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$this->YUI_config->debug = true;
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} else {
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$this->yui3loader->filter = null;
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$this->YUI_config->groups['moodle']['filter'] = null;
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$this->YUI_config->debug = false;
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}
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// Include the YUI config log filters.
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if (!empty($CFG->yuilogexclude) && is_array($CFG->yuilogexclude)) {
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$this->YUI_config->logExclude = $CFG->yuilogexclude;
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}
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if (!empty($CFG->yuiloginclude) && is_array($CFG->yuiloginclude)) {
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$this->YUI_config->logInclude = $CFG->yuiloginclude;
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}
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if (!empty($CFG->yuiloglevel)) {
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$this->YUI_config->logLevel = $CFG->yuiloglevel;
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}
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// Add the moodle group's module data.
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$this->YUI_config->add_moodle_metadata();
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// Every page should include definition of following modules.
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$this->js_module($this->find_module('core_filepicker'));
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$this->js_module($this->find_module('core_comment'));
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}
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/**
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* Return the safe config values that get set for javascript in "M.cfg".
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*
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* @since 2.9
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* @return array List of safe config values that are available to javascript.
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*/
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public function get_config_for_javascript(moodle_page $page, renderer_base $renderer) {
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global $CFG;
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if (empty($this->M_cfg)) {
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$iconsystem = \core\output\icon_system::instance();
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// It is possible that the $page->context is null, so we can't use $page->context->id.
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$contextid = null;
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$contextinstanceid = null;
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if (!is_null($page->context)) {
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$contextid = $page->context->id;
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$contextinstanceid = $page->context->instanceid;
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$courseid = $page->course->id;
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$coursecontext = context_course::instance($courseid);
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}
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$this->M_cfg = array(
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'wwwroot' => $CFG->wwwroot,
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'homeurl' => $page->navigation->action,
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'sesskey' => sesskey(),
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'sessiontimeout' => $CFG->sessiontimeout,
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'sessiontimeoutwarning' => $CFG->sessiontimeoutwarning,
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'themerev' => theme_get_revision(),
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'slasharguments' => (int)(!empty($CFG->slasharguments)),
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'theme' => $page->theme->name,
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'iconsystemmodule' => $iconsystem->get_amd_name(),
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'jsrev' => $this->get_jsrev(),
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'admin' => $CFG->admin,
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'svgicons' => $page->theme->use_svg_icons(),
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'usertimezone' => usertimezone(),
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'language' => current_language(),
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'courseId' => isset($courseid) ? (int) $courseid : 0,
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'courseContextId' => isset($coursecontext) ? $coursecontext->id : 0,
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'contextid' => $contextid,
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'contextInstanceId' => (int) $contextinstanceid,
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'langrev' => get_string_manager()->get_revision(),
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'templaterev' => $this->get_templaterev(),
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'siteId' => (int) SITEID,
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);
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if ($CFG->debugdeveloper) {
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$this->M_cfg['developerdebug'] = true;
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}
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if (defined('BEHAT_SITE_RUNNING')) {
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$this->M_cfg['behatsiterunning'] = true;
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}
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}
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return $this->M_cfg;
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|
|
345 |
}
|
|
|
346 |
|
|
|
347 |
/**
|
|
|
348 |
* Initialise with the bits of JavaScript that every Moodle page should have.
|
|
|
349 |
*
|
|
|
350 |
* @param moodle_page $page
|
|
|
351 |
* @param core_renderer $renderer
|
|
|
352 |
*/
|
|
|
353 |
protected function init_requirements_data(moodle_page $page, core_renderer $renderer) {
|
|
|
354 |
global $CFG;
|
|
|
355 |
|
|
|
356 |
// Init the js config.
|
|
|
357 |
$this->get_config_for_javascript($page, $renderer);
|
|
|
358 |
|
|
|
359 |
// Accessibility stuff.
|
|
|
360 |
$this->skip_link_to('maincontent', get_string('tocontent', 'access'));
|
|
|
361 |
|
|
|
362 |
// Add strings used on many pages.
|
|
|
363 |
$this->string_for_js('confirmation', 'admin');
|
|
|
364 |
$this->string_for_js('cancel', 'moodle');
|
|
|
365 |
$this->string_for_js('yes', 'moodle');
|
|
|
366 |
|
|
|
367 |
// Alter links in top frame to break out of frames.
|
|
|
368 |
if ($page->pagelayout === 'frametop') {
|
|
|
369 |
$this->js_init_call('M.util.init_frametop');
|
|
|
370 |
}
|
|
|
371 |
|
|
|
372 |
// Include block drag/drop if editing is on
|
|
|
373 |
if ($page->user_is_editing()) {
|
|
|
374 |
$params = array(
|
|
|
375 |
'regions' => $page->blocks->get_regions(),
|
|
|
376 |
'pagehash' => $page->get_edited_page_hash(),
|
|
|
377 |
);
|
|
|
378 |
if (!empty($page->cm->id)) {
|
|
|
379 |
$params['cmid'] = $page->cm->id;
|
|
|
380 |
}
|
|
|
381 |
// Strings for drag and drop.
|
|
|
382 |
$this->strings_for_js(array('movecontent',
|
|
|
383 |
'tocontent',
|
|
|
384 |
'emptydragdropregion'),
|
|
|
385 |
'moodle');
|
|
|
386 |
$page->requires->yui_module('moodle-core-blocks', 'M.core_blocks.init_dragdrop', array($params), null, true);
|
|
|
387 |
$page->requires->js_call_amd('core_block/edit', 'init', ['pagehash' => $page->get_edited_page_hash()]);
|
|
|
388 |
}
|
|
|
389 |
|
|
|
390 |
// Include the YUI CSS Modules.
|
|
|
391 |
$page->requires->set_yuicssmodules($page->theme->yuicssmodules);
|
|
|
392 |
}
|
|
|
393 |
|
|
|
394 |
/**
|
|
|
395 |
* Determine the correct JS Revision to use for this load.
|
|
|
396 |
*
|
|
|
397 |
* @return int the jsrev to use.
|
|
|
398 |
*/
|
|
|
399 |
public function get_jsrev() {
|
|
|
400 |
global $CFG;
|
|
|
401 |
|
|
|
402 |
if (empty($CFG->cachejs)) {
|
|
|
403 |
$jsrev = -1;
|
|
|
404 |
} else if (empty($CFG->jsrev)) {
|
|
|
405 |
$jsrev = 1;
|
|
|
406 |
} else {
|
|
|
407 |
$jsrev = $CFG->jsrev;
|
|
|
408 |
}
|
|
|
409 |
|
|
|
410 |
return $jsrev;
|
|
|
411 |
}
|
|
|
412 |
|
|
|
413 |
/**
|
|
|
414 |
* Determine the correct Template revision to use for this load.
|
|
|
415 |
*
|
|
|
416 |
* @return int the templaterev to use.
|
|
|
417 |
*/
|
|
|
418 |
protected function get_templaterev() {
|
|
|
419 |
global $CFG;
|
|
|
420 |
|
|
|
421 |
if (empty($CFG->cachetemplates)) {
|
|
|
422 |
$templaterev = -1;
|
|
|
423 |
} else if (empty($CFG->templaterev)) {
|
|
|
424 |
$templaterev = 1;
|
|
|
425 |
} else {
|
|
|
426 |
$templaterev = $CFG->templaterev;
|
|
|
427 |
}
|
|
|
428 |
|
|
|
429 |
return $templaterev;
|
|
|
430 |
}
|
|
|
431 |
|
|
|
432 |
/**
|
|
|
433 |
* Ensure that the specified JavaScript file is linked to from this page.
|
|
|
434 |
*
|
|
|
435 |
* NOTE: This function is to be used in RARE CASES ONLY, please store your JS in module.js file
|
|
|
436 |
* and use $PAGE->requires->js_init_call() instead or use /yui/ subdirectories for YUI modules.
|
|
|
437 |
*
|
|
|
438 |
* By default the link is put at the end of the page, since this gives best page-load performance.
|
|
|
439 |
*
|
|
|
440 |
* Even if a particular script is requested more than once, it will only be linked
|
|
|
441 |
* to once.
|
|
|
442 |
*
|
|
|
443 |
* @param string|moodle_url $url The path to the .js file, relative to $CFG->dirroot / $CFG->wwwroot.
|
|
|
444 |
* For example '/mod/mymod/customscripts.js'; use moodle_url for external scripts
|
|
|
445 |
* @param bool $inhead initialise in head
|
|
|
446 |
*/
|
|
|
447 |
public function js($url, $inhead = false) {
|
|
|
448 |
if ($url == '/question/qengine.js') {
|
|
|
449 |
debugging('The question/qengine.js has been deprecated. ' .
|
|
|
450 |
'Please use core_question/question_engine', DEBUG_DEVELOPER);
|
|
|
451 |
}
|
|
|
452 |
$url = $this->js_fix_url($url);
|
|
|
453 |
$where = $inhead ? 'head' : 'footer';
|
|
|
454 |
$this->jsincludes[$where][$url->out()] = $url;
|
|
|
455 |
}
|
|
|
456 |
|
|
|
457 |
/**
|
|
|
458 |
* Request inclusion of jQuery library in the page.
|
|
|
459 |
*
|
|
|
460 |
* NOTE: this should not be used in official Moodle distribution!
|
|
|
461 |
*
|
|
|
462 |
* {@link https://moodledev.io/docs/guides/javascript/jquery}
|
|
|
463 |
*/
|
|
|
464 |
public function jquery() {
|
|
|
465 |
$this->jquery_plugin('jquery');
|
|
|
466 |
}
|
|
|
467 |
|
|
|
468 |
/**
|
|
|
469 |
* Request inclusion of jQuery plugin.
|
|
|
470 |
*
|
|
|
471 |
* NOTE: this should not be used in official Moodle distribution!
|
|
|
472 |
*
|
|
|
473 |
* jQuery plugins are located in plugin/jquery/* subdirectory,
|
|
|
474 |
* plugin/jquery/plugins.php lists all available plugins.
|
|
|
475 |
*
|
|
|
476 |
* Included core plugins:
|
|
|
477 |
* - jQuery UI
|
|
|
478 |
*
|
|
|
479 |
* Add-ons may include extra jQuery plugins in jquery/ directory,
|
|
|
480 |
* plugins.php file defines the mapping between plugin names and
|
|
|
481 |
* necessary page includes.
|
|
|
482 |
*
|
|
|
483 |
* Examples:
|
|
|
484 |
* <code>
|
|
|
485 |
* // file: mod/xxx/view.php
|
|
|
486 |
* $PAGE->requires->jquery();
|
|
|
487 |
* $PAGE->requires->jquery_plugin('ui');
|
|
|
488 |
* $PAGE->requires->jquery_plugin('ui-css');
|
|
|
489 |
* </code>
|
|
|
490 |
*
|
|
|
491 |
* <code>
|
|
|
492 |
* // file: theme/yyy/lib.php
|
|
|
493 |
* function theme_yyy_page_init(moodle_page $page) {
|
|
|
494 |
* $page->requires->jquery();
|
|
|
495 |
* $page->requires->jquery_plugin('ui');
|
|
|
496 |
* $page->requires->jquery_plugin('ui-css');
|
|
|
497 |
* }
|
|
|
498 |
* </code>
|
|
|
499 |
*
|
|
|
500 |
* <code>
|
|
|
501 |
* // file: blocks/zzz/block_zzz.php
|
|
|
502 |
* public function get_required_javascript() {
|
|
|
503 |
* parent::get_required_javascript();
|
|
|
504 |
* $this->page->requires->jquery();
|
|
|
505 |
* $page->requires->jquery_plugin('ui');
|
|
|
506 |
* $page->requires->jquery_plugin('ui-css');
|
|
|
507 |
* }
|
|
|
508 |
* </code>
|
|
|
509 |
*
|
|
|
510 |
* {@link https://moodledev.io/docs/guides/javascript/jquery}
|
|
|
511 |
*
|
|
|
512 |
* @param string $plugin name of the jQuery plugin as defined in jquery/plugins.php
|
|
|
513 |
* @param string $component name of the component
|
|
|
514 |
* @return bool success
|
|
|
515 |
*/
|
|
|
516 |
public function jquery_plugin($plugin, $component = 'core') {
|
|
|
517 |
global $CFG;
|
|
|
518 |
|
|
|
519 |
if ($this->headdone) {
|
|
|
520 |
debugging('Can not add jQuery plugins after starting page output!');
|
|
|
521 |
return false;
|
|
|
522 |
}
|
|
|
523 |
|
|
|
524 |
if ($component !== 'core' and in_array($plugin, array('jquery', 'ui', 'ui-css'))) {
|
|
|
525 |
debugging("jQuery plugin '$plugin' is included in Moodle core, other components can not use the same name.", DEBUG_DEVELOPER);
|
|
|
526 |
$component = 'core';
|
|
|
527 |
} else if ($component !== 'core' and strpos($component, '_') === false) {
|
|
|
528 |
// Let's normalise the legacy activity names, Frankenstyle rulez!
|
|
|
529 |
$component = 'mod_' . $component;
|
|
|
530 |
}
|
|
|
531 |
|
|
|
532 |
if (empty($this->jqueryplugins) and ($component !== 'core' or $plugin !== 'jquery')) {
|
|
|
533 |
// Make sure the jQuery itself is always loaded first,
|
|
|
534 |
// the order of all other plugins depends on order of $PAGE_>requires->.
|
|
|
535 |
$this->jquery_plugin('jquery', 'core');
|
|
|
536 |
}
|
|
|
537 |
|
|
|
538 |
if (isset($this->jqueryplugins[$plugin])) {
|
|
|
539 |
// No problem, we already have something, first Moodle plugin to register the jQuery plugin wins.
|
|
|
540 |
return true;
|
|
|
541 |
}
|
|
|
542 |
|
|
|
543 |
$componentdir = core_component::get_component_directory($component);
|
|
|
544 |
if (!file_exists($componentdir) or !file_exists("$componentdir/jquery/plugins.php")) {
|
|
|
545 |
debugging("Can not load jQuery plugin '$plugin', missing plugins.php in component '$component'.", DEBUG_DEVELOPER);
|
|
|
546 |
return false;
|
|
|
547 |
}
|
|
|
548 |
|
|
|
549 |
$plugins = array();
|
|
|
550 |
require("$componentdir/jquery/plugins.php");
|
|
|
551 |
|
|
|
552 |
if (!isset($plugins[$plugin])) {
|
|
|
553 |
debugging("jQuery plugin '$plugin' can not be found in component '$component'.", DEBUG_DEVELOPER);
|
|
|
554 |
return false;
|
|
|
555 |
}
|
|
|
556 |
|
|
|
557 |
$this->jqueryplugins[$plugin] = new stdClass();
|
|
|
558 |
$this->jqueryplugins[$plugin]->plugin = $plugin;
|
|
|
559 |
$this->jqueryplugins[$plugin]->component = $component;
|
|
|
560 |
$this->jqueryplugins[$plugin]->urls = array();
|
|
|
561 |
|
|
|
562 |
foreach ($plugins[$plugin]['files'] as $file) {
|
|
|
563 |
if ($CFG->debugdeveloper) {
|
|
|
564 |
if (!file_exists("$componentdir/jquery/$file")) {
|
|
|
565 |
debugging("Invalid file '$file' specified in jQuery plugin '$plugin' in component '$component'");
|
|
|
566 |
continue;
|
|
|
567 |
}
|
|
|
568 |
$file = str_replace('.min.css', '.css', $file);
|
|
|
569 |
$file = str_replace('.min.js', '.js', $file);
|
|
|
570 |
}
|
|
|
571 |
if (!file_exists("$componentdir/jquery/$file")) {
|
|
|
572 |
debugging("Invalid file '$file' specified in jQuery plugin '$plugin' in component '$component'");
|
|
|
573 |
continue;
|
|
|
574 |
}
|
|
|
575 |
if (!empty($CFG->slasharguments)) {
|
|
|
576 |
$url = new moodle_url("/theme/jquery.php");
|
|
|
577 |
$url->set_slashargument("/$component/$file");
|
|
|
578 |
|
|
|
579 |
} else {
|
|
|
580 |
// This is not really good, we need slasharguments for relative links, this means no caching...
|
|
|
581 |
$path = realpath("$componentdir/jquery/$file");
|
|
|
582 |
if (strpos($path, $CFG->dirroot) === 0) {
|
|
|
583 |
$url = $CFG->wwwroot.preg_replace('/^'.preg_quote($CFG->dirroot, '/').'/', '', $path);
|
|
|
584 |
// Replace all occurences of backslashes characters in url to forward slashes.
|
|
|
585 |
$url = str_replace('\\', '/', $url);
|
|
|
586 |
$url = new moodle_url($url);
|
|
|
587 |
} else {
|
|
|
588 |
// Bad luck, fix your server!
|
|
|
589 |
debugging("Moodle jQuery integration requires 'slasharguments' setting to be enabled.");
|
|
|
590 |
continue;
|
|
|
591 |
}
|
|
|
592 |
}
|
|
|
593 |
$this->jqueryplugins[$plugin]->urls[] = $url;
|
|
|
594 |
}
|
|
|
595 |
|
|
|
596 |
return true;
|
|
|
597 |
}
|
|
|
598 |
|
|
|
599 |
/**
|
|
|
600 |
* Request replacement of one jQuery plugin by another.
|
|
|
601 |
*
|
|
|
602 |
* This is useful when themes want to replace the jQuery UI theme,
|
|
|
603 |
* the problem is that theme can not prevent others from including the core ui-css plugin.
|
|
|
604 |
*
|
|
|
605 |
* Example:
|
|
|
606 |
* 1/ generate new jQuery UI theme and place it into theme/yourtheme/jquery/
|
|
|
607 |
* 2/ write theme/yourtheme/jquery/plugins.php
|
|
|
608 |
* 3/ init jQuery from theme
|
|
|
609 |
*
|
|
|
610 |
* <code>
|
|
|
611 |
* // file theme/yourtheme/lib.php
|
|
|
612 |
* function theme_yourtheme_page_init($page) {
|
|
|
613 |
* $page->requires->jquery_plugin('yourtheme-ui-css', 'theme_yourtheme');
|
|
|
614 |
* $page->requires->jquery_override_plugin('ui-css', 'yourtheme-ui-css');
|
|
|
615 |
* }
|
|
|
616 |
* </code>
|
|
|
617 |
*
|
|
|
618 |
* This code prevents loading of standard 'ui-css' which my be requested by other plugins,
|
|
|
619 |
* the 'yourtheme-ui-css' gets loaded only if some other code requires jquery.
|
|
|
620 |
*
|
|
|
621 |
* {@link https://moodledev.io/docs/guides/javascript/jquery}
|
|
|
622 |
*
|
|
|
623 |
* @param string $oldplugin original plugin
|
|
|
624 |
* @param string $newplugin the replacement
|
|
|
625 |
*/
|
|
|
626 |
public function jquery_override_plugin($oldplugin, $newplugin) {
|
|
|
627 |
if ($this->headdone) {
|
|
|
628 |
debugging('Can not override jQuery plugins after starting page output!');
|
|
|
629 |
return;
|
|
|
630 |
}
|
|
|
631 |
$this->jquerypluginoverrides[$oldplugin] = $newplugin;
|
|
|
632 |
}
|
|
|
633 |
|
|
|
634 |
/**
|
|
|
635 |
* Return jQuery related markup for page start.
|
|
|
636 |
* @return string
|
|
|
637 |
*/
|
|
|
638 |
protected function get_jquery_headcode() {
|
|
|
639 |
if (empty($this->jqueryplugins['jquery'])) {
|
|
|
640 |
// If nobody requested jQuery then do not bother to load anything.
|
|
|
641 |
// This may be useful for themes that want to override 'ui-css' only if requested by something else.
|
|
|
642 |
return '';
|
|
|
643 |
}
|
|
|
644 |
|
|
|
645 |
$included = array();
|
|
|
646 |
$urls = array();
|
|
|
647 |
|
|
|
648 |
foreach ($this->jqueryplugins as $name => $unused) {
|
|
|
649 |
if (isset($included[$name])) {
|
|
|
650 |
continue;
|
|
|
651 |
}
|
|
|
652 |
if (array_key_exists($name, $this->jquerypluginoverrides)) {
|
|
|
653 |
// The following loop tries to resolve the replacements,
|
|
|
654 |
// use max 100 iterations to prevent infinite loop resulting
|
|
|
655 |
// in blank page.
|
|
|
656 |
$cyclic = true;
|
|
|
657 |
$oldname = $name;
|
|
|
658 |
for ($i=0; $i<100; $i++) {
|
|
|
659 |
$name = $this->jquerypluginoverrides[$name];
|
|
|
660 |
if (!array_key_exists($name, $this->jquerypluginoverrides)) {
|
|
|
661 |
$cyclic = false;
|
|
|
662 |
break;
|
|
|
663 |
}
|
|
|
664 |
}
|
|
|
665 |
if ($cyclic) {
|
|
|
666 |
// We can not do much with cyclic references here, let's use the old plugin.
|
|
|
667 |
$name = $oldname;
|
|
|
668 |
debugging("Cyclic overrides detected for jQuery plugin '$name'");
|
|
|
669 |
|
|
|
670 |
} else if (empty($name)) {
|
|
|
671 |
// Developer requested removal of the plugin.
|
|
|
672 |
continue;
|
|
|
673 |
|
|
|
674 |
} else if (!isset($this->jqueryplugins[$name])) {
|
|
|
675 |
debugging("Unknown jQuery override plugin '$name' detected");
|
|
|
676 |
$name = $oldname;
|
|
|
677 |
|
|
|
678 |
} else if (isset($included[$name])) {
|
|
|
679 |
// The plugin was already included, easy.
|
|
|
680 |
continue;
|
|
|
681 |
}
|
|
|
682 |
}
|
|
|
683 |
|
|
|
684 |
$plugin = $this->jqueryplugins[$name];
|
|
|
685 |
$urls = array_merge($urls, $plugin->urls);
|
|
|
686 |
$included[$name] = true;
|
|
|
687 |
}
|
|
|
688 |
|
|
|
689 |
$output = '';
|
|
|
690 |
$attributes = array('rel' => 'stylesheet', 'type' => 'text/css');
|
|
|
691 |
foreach ($urls as $url) {
|
|
|
692 |
if (preg_match('/\.js$/', $url)) {
|
|
|
693 |
$output .= html_writer::script('', $url);
|
|
|
694 |
} else if (preg_match('/\.css$/', $url)) {
|
|
|
695 |
$attributes['href'] = $url;
|
|
|
696 |
$output .= html_writer::empty_tag('link', $attributes) . "\n";
|
|
|
697 |
}
|
|
|
698 |
}
|
|
|
699 |
|
|
|
700 |
return $output;
|
|
|
701 |
}
|
|
|
702 |
|
|
|
703 |
/**
|
|
|
704 |
* Returns the actual url through which a JavaScript file is served.
|
|
|
705 |
*
|
|
|
706 |
* @param moodle_url|string $url full moodle url, or shortened path to script.
|
|
|
707 |
* @throws coding_exception if the given $url isn't a shortened url starting with / or a moodle_url instance.
|
|
|
708 |
* @return moodle_url
|
|
|
709 |
*/
|
|
|
710 |
protected function js_fix_url($url) {
|
|
|
711 |
global $CFG;
|
|
|
712 |
|
|
|
713 |
if ($url instanceof moodle_url) {
|
|
|
714 |
// If the URL is external to Moodle, it won't be handled by Moodle (!).
|
|
|
715 |
if ($url->is_local_url()) {
|
|
|
716 |
$localurl = $url->out_as_local_url();
|
|
|
717 |
// Check if the URL points to a Moodle PHP resource.
|
|
|
718 |
if (strpos($localurl, '.php') !== false) {
|
|
|
719 |
// It's a Moodle PHP resource e.g. a resource already served by the proper Moodle Handler.
|
|
|
720 |
return $url;
|
|
|
721 |
}
|
|
|
722 |
// It's a local resource: we need to further examine it.
|
|
|
723 |
return $this->js_fix_url($url->out_as_local_url(false));
|
|
|
724 |
}
|
|
|
725 |
// The URL is not a Moodle resource.
|
|
|
726 |
return $url;
|
|
|
727 |
} else if (null !== $url && strpos($url, '/') === 0) {
|
|
|
728 |
// Fix the admin links if needed.
|
|
|
729 |
if ($CFG->admin !== 'admin') {
|
|
|
730 |
if (strpos($url, "/admin/") === 0) {
|
|
|
731 |
$url = preg_replace("|^/admin/|", "/$CFG->admin/", $url);
|
|
|
732 |
}
|
|
|
733 |
}
|
|
|
734 |
if (debugging()) {
|
|
|
735 |
// Check file existence only when in debug mode.
|
|
|
736 |
if (!file_exists($CFG->dirroot . strtok($url, '?'))) {
|
|
|
737 |
throw new coding_exception('Attempt to require a JavaScript file that does not exist.', $url);
|
|
|
738 |
}
|
|
|
739 |
}
|
|
|
740 |
if (substr($url, -3) === '.js') {
|
|
|
741 |
$jsrev = $this->get_jsrev();
|
|
|
742 |
if (empty($CFG->slasharguments)) {
|
|
|
743 |
return new moodle_url('/lib/javascript.php', ['rev' => $jsrev, 'jsfile' => $url]);
|
|
|
744 |
} else {
|
|
|
745 |
$returnurl = new moodle_url('/lib/javascript.php');
|
|
|
746 |
$returnurl->set_slashargument('/'.$jsrev.$url);
|
|
|
747 |
return $returnurl;
|
|
|
748 |
}
|
|
|
749 |
} else {
|
|
|
750 |
return new moodle_url($url);
|
|
|
751 |
}
|
|
|
752 |
} else {
|
|
|
753 |
throw new coding_exception('Invalid JS url, it has to be shortened url starting with / or moodle_url instance.', $url);
|
|
|
754 |
}
|
|
|
755 |
}
|
|
|
756 |
|
|
|
757 |
/**
|
|
|
758 |
* Find out if JS module present and return details.
|
|
|
759 |
*
|
|
|
760 |
* @param string $component name of component in frankenstyle, ex: core_group, mod_forum
|
|
|
761 |
* @return array description of module or null if not found
|
|
|
762 |
*/
|
|
|
763 |
protected function find_module($component) {
|
|
|
764 |
global $CFG, $PAGE;
|
|
|
765 |
|
|
|
766 |
$module = null;
|
|
|
767 |
|
|
|
768 |
if (strpos($component, 'core_') === 0) {
|
|
|
769 |
// Must be some core stuff - list here is not complete, this is just the stuff used from multiple places
|
|
|
770 |
// so that we do nto have to repeat the definition of these modules over and over again.
|
|
|
771 |
switch($component) {
|
|
|
772 |
case 'core_filepicker':
|
|
|
773 |
$module = array('name' => 'core_filepicker',
|
|
|
774 |
'fullpath' => '/repository/filepicker.js',
|
|
|
775 |
'requires' => array(
|
|
|
776 |
'base', 'node', 'node-event-simulate', 'json', 'async-queue', 'io-base', 'io-upload-iframe', 'io-form',
|
|
|
777 |
'yui2-treeview', 'panel', 'cookie', 'datatable', 'datatable-sort', 'resize-plugin', 'dd-plugin',
|
|
|
778 |
'escape', 'moodle-core_filepicker', 'moodle-core-notification-dialogue'
|
|
|
779 |
),
|
|
|
780 |
'strings' => array(array('lastmodified', 'moodle'), array('name', 'moodle'), array('type', 'repository'), array('size', 'repository'),
|
|
|
781 |
array('invalidjson', 'repository'), array('error', 'moodle'), array('info', 'moodle'),
|
|
|
782 |
array('nofilesattached', 'repository'), array('filepicker', 'repository'), array('logout', 'repository'),
|
|
|
783 |
array('nofilesavailable', 'repository'), array('norepositoriesavailable', 'repository'),
|
|
|
784 |
array('fileexistsdialogheader', 'repository'), array('fileexistsdialog_editor', 'repository'),
|
|
|
785 |
array('fileexistsdialog_filemanager', 'repository'), array('renameto', 'repository'),
|
|
|
786 |
array('referencesexist', 'repository'), array('select', 'repository')
|
|
|
787 |
));
|
|
|
788 |
break;
|
|
|
789 |
case 'core_comment':
|
|
|
790 |
$module = array('name' => 'core_comment',
|
|
|
791 |
'fullpath' => '/comment/comment.js',
|
|
|
792 |
'requires' => array('base', 'io-base', 'node', 'json', 'yui2-animation', 'overlay', 'escape'),
|
|
|
793 |
'strings' => array(array('confirmdeletecomments', 'admin'), array('yes', 'moodle'), array('no', 'moodle'))
|
|
|
794 |
);
|
|
|
795 |
break;
|
|
|
796 |
case 'core_role':
|
|
|
797 |
$module = array('name' => 'core_role',
|
|
|
798 |
'fullpath' => '/admin/roles/module.js',
|
|
|
799 |
'requires' => array('node', 'cookie'));
|
|
|
800 |
break;
|
|
|
801 |
case 'core_completion':
|
|
|
802 |
break;
|
|
|
803 |
case 'core_message':
|
|
|
804 |
$module = array('name' => 'core_message',
|
|
|
805 |
'requires' => array('base', 'node', 'event', 'node-event-simulate'),
|
|
|
806 |
'fullpath' => '/message/module.js');
|
|
|
807 |
break;
|
|
|
808 |
case 'core_group':
|
|
|
809 |
$module = array('name' => 'core_group',
|
|
|
810 |
'fullpath' => '/group/module.js',
|
|
|
811 |
'requires' => array('node', 'overlay', 'event-mouseenter'));
|
|
|
812 |
break;
|
|
|
813 |
case 'core_question_engine':
|
|
|
814 |
$module = array('name' => 'core_question_engine',
|
|
|
815 |
'fullpath' => '/question/qengine.js',
|
|
|
816 |
'requires' => array('node', 'event'));
|
|
|
817 |
break;
|
|
|
818 |
case 'core_rating':
|
|
|
819 |
$module = array('name' => 'core_rating',
|
|
|
820 |
'fullpath' => '/rating/module.js',
|
|
|
821 |
'requires' => array('node', 'event', 'overlay', 'io-base', 'json'));
|
|
|
822 |
break;
|
|
|
823 |
case 'core_dndupload':
|
|
|
824 |
$module = array('name' => 'core_dndupload',
|
|
|
825 |
'fullpath' => '/lib/form/dndupload.js',
|
|
|
826 |
'requires' => array('node', 'event', 'json', 'core_filepicker'),
|
|
|
827 |
'strings' => array(array('uploadformlimit', 'moodle'), array('droptoupload', 'moodle'), array('maxfilesreached', 'moodle'),
|
|
|
828 |
array('dndenabled_inbox', 'moodle'), array('fileexists', 'moodle'), array('maxbytesfile', 'error'),
|
|
|
829 |
array('sizegb', 'moodle'), array('sizemb', 'moodle'), array('sizekb', 'moodle'), array('sizeb', 'moodle'),
|
|
|
830 |
array('maxareabytesreached', 'moodle'), array('serverconnection', 'error'),
|
|
|
831 |
array('changesmadereallygoaway', 'moodle'), array('complete', 'moodle')
|
|
|
832 |
));
|
|
|
833 |
break;
|
|
|
834 |
}
|
|
|
835 |
|
|
|
836 |
} else {
|
|
|
837 |
if ($dir = core_component::get_component_directory($component)) {
|
|
|
838 |
if (file_exists("$dir/module.js")) {
|
|
|
839 |
if (strpos($dir, $CFG->dirroot.'/') === 0) {
|
|
|
840 |
$dir = substr($dir, strlen($CFG->dirroot));
|
|
|
841 |
$module = array('name'=>$component, 'fullpath'=>"$dir/module.js", 'requires' => array());
|
|
|
842 |
}
|
|
|
843 |
}
|
|
|
844 |
}
|
|
|
845 |
}
|
|
|
846 |
|
|
|
847 |
return $module;
|
|
|
848 |
}
|
|
|
849 |
|
|
|
850 |
/**
|
|
|
851 |
* Append YUI3 module to default YUI3 JS loader.
|
|
|
852 |
* The structure of module array is described at {@link http://developer.yahoo.com/yui/3/yui/}
|
|
|
853 |
*
|
|
|
854 |
* @param string|array $module name of module (details are autodetected), or full module specification as array
|
|
|
855 |
* @return void
|
|
|
856 |
*/
|
|
|
857 |
public function js_module($module) {
|
|
|
858 |
global $CFG;
|
|
|
859 |
|
|
|
860 |
if (empty($module)) {
|
|
|
861 |
throw new coding_exception('Missing YUI3 module name or full description.');
|
|
|
862 |
}
|
|
|
863 |
|
|
|
864 |
if (is_string($module)) {
|
|
|
865 |
$module = $this->find_module($module);
|
|
|
866 |
}
|
|
|
867 |
|
|
|
868 |
if (empty($module) or empty($module['name']) or empty($module['fullpath'])) {
|
|
|
869 |
throw new coding_exception('Missing YUI3 module details.');
|
|
|
870 |
}
|
|
|
871 |
|
|
|
872 |
$module['fullpath'] = $this->js_fix_url($module['fullpath'])->out(false);
|
|
|
873 |
// Add all needed strings.
|
|
|
874 |
if (!empty($module['strings'])) {
|
|
|
875 |
foreach ($module['strings'] as $string) {
|
|
|
876 |
$identifier = $string[0];
|
|
|
877 |
$component = isset($string[1]) ? $string[1] : 'moodle';
|
|
|
878 |
$a = isset($string[2]) ? $string[2] : null;
|
|
|
879 |
$this->string_for_js($identifier, $component, $a);
|
|
|
880 |
}
|
|
|
881 |
}
|
|
|
882 |
unset($module['strings']);
|
|
|
883 |
|
|
|
884 |
// Process module requirements and attempt to load each. This allows
|
|
|
885 |
// moodle modules to require each other.
|
|
|
886 |
if (!empty($module['requires'])){
|
|
|
887 |
foreach ($module['requires'] as $requirement) {
|
|
|
888 |
$rmodule = $this->find_module($requirement);
|
|
|
889 |
if (is_array($rmodule)) {
|
|
|
890 |
$this->js_module($rmodule);
|
|
|
891 |
}
|
|
|
892 |
}
|
|
|
893 |
}
|
|
|
894 |
|
|
|
895 |
if ($this->headdone) {
|
|
|
896 |
$this->extramodules[$module['name']] = $module;
|
|
|
897 |
} else {
|
|
|
898 |
$this->YUI_config->add_module_config($module['name'], $module);
|
|
|
899 |
}
|
|
|
900 |
}
|
|
|
901 |
|
|
|
902 |
/**
|
|
|
903 |
* Returns true if the module has already been loaded.
|
|
|
904 |
*
|
|
|
905 |
* @param string|array $module
|
|
|
906 |
* @return bool True if the module has already been loaded
|
|
|
907 |
*/
|
|
|
908 |
protected function js_module_loaded($module) {
|
|
|
909 |
if (is_string($module)) {
|
|
|
910 |
$modulename = $module;
|
|
|
911 |
} else {
|
|
|
912 |
$modulename = $module['name'];
|
|
|
913 |
}
|
|
|
914 |
return array_key_exists($modulename, $this->YUI_config->modules) ||
|
|
|
915 |
array_key_exists($modulename, $this->extramodules);
|
|
|
916 |
}
|
|
|
917 |
|
|
|
918 |
/**
|
|
|
919 |
* Ensure that the specified CSS file is linked to from this page.
|
|
|
920 |
*
|
|
|
921 |
* Because stylesheet links must go in the <head> part of the HTML, you must call
|
|
|
922 |
* this function before {@link get_head_code()} is called. That normally means before
|
|
|
923 |
* the call to print_header. If you call it when it is too late, an exception
|
|
|
924 |
* will be thrown.
|
|
|
925 |
*
|
|
|
926 |
* Even if a particular style sheet is requested more than once, it will only
|
|
|
927 |
* be linked to once.
|
|
|
928 |
*
|
|
|
929 |
* Please note use of this feature is strongly discouraged,
|
|
|
930 |
* it is suitable only for places where CSS is submitted directly by teachers.
|
|
|
931 |
* (Students must not be allowed to submit any external CSS because it may
|
|
|
932 |
* contain embedded javascript!). Example of correct use is mod/data.
|
|
|
933 |
*
|
|
|
934 |
* @param string $stylesheet The path to the .css file, relative to $CFG->wwwroot.
|
|
|
935 |
* For example:
|
|
|
936 |
* $PAGE->requires->css('mod/data/css.php?d='.$data->id);
|
|
|
937 |
*/
|
|
|
938 |
public function css($stylesheet) {
|
|
|
939 |
global $CFG;
|
|
|
940 |
|
|
|
941 |
if ($this->headdone) {
|
|
|
942 |
throw new coding_exception('Cannot require a CSS file after <head> has been printed.', $stylesheet);
|
|
|
943 |
}
|
|
|
944 |
|
|
|
945 |
if ($stylesheet instanceof moodle_url) {
|
|
|
946 |
// ok
|
|
|
947 |
} else if (strpos($stylesheet, '/') === 0) {
|
|
|
948 |
$stylesheet = new moodle_url($stylesheet);
|
|
|
949 |
} else {
|
|
|
950 |
throw new coding_exception('Invalid stylesheet parameter.', $stylesheet);
|
|
|
951 |
}
|
|
|
952 |
|
|
|
953 |
$this->cssurls[$stylesheet->out()] = $stylesheet;
|
|
|
954 |
}
|
|
|
955 |
|
|
|
956 |
/**
|
|
|
957 |
* Add theme stylesheet to page - do not use from plugin code,
|
|
|
958 |
* this should be called only from the core renderer!
|
|
|
959 |
*
|
|
|
960 |
* @param moodle_url $stylesheet
|
|
|
961 |
* @return void
|
|
|
962 |
*/
|
|
|
963 |
public function css_theme(moodle_url $stylesheet) {
|
|
|
964 |
$this->cssthemeurls[] = $stylesheet;
|
|
|
965 |
}
|
|
|
966 |
|
|
|
967 |
/**
|
|
|
968 |
* Ensure that a skip link to a given target is printed at the top of the <body>.
|
|
|
969 |
*
|
|
|
970 |
* You must call this function before {@link get_top_of_body_code()}, (if not, an exception
|
|
|
971 |
* will be thrown). That normally means you must call this before the call to print_header.
|
|
|
972 |
*
|
|
|
973 |
* If you ask for a particular skip link to be printed, it is then your responsibility
|
|
|
974 |
* to ensure that the appropriate <a name="..."> tag is printed in the body of the
|
|
|
975 |
* page, so that the skip link goes somewhere.
|
|
|
976 |
*
|
|
|
977 |
* Even if a particular skip link is requested more than once, only one copy of it will be output.
|
|
|
978 |
*
|
|
|
979 |
* @param string $target the name of anchor this link should go to. For example 'maincontent'.
|
|
|
980 |
* @param string $linktext The text to use for the skip link. Normally get_string('skipto', 'access', ...);
|
|
|
981 |
*/
|
|
|
982 |
public function skip_link_to($target, $linktext) {
|
|
|
983 |
if ($this->topofbodydone) {
|
|
|
984 |
debugging('Page header already printed, can not add skip links any more, code needs to be fixed.');
|
|
|
985 |
return;
|
|
|
986 |
}
|
|
|
987 |
$this->skiplinks[$target] = $linktext;
|
|
|
988 |
}
|
|
|
989 |
|
|
|
990 |
/**
|
|
|
991 |
* !!!DEPRECATED!!! please use js_init_call() if possible
|
|
|
992 |
* Ensure that the specified JavaScript function is called from an inline script
|
|
|
993 |
* somewhere on this page.
|
|
|
994 |
*
|
|
|
995 |
* By default the call will be put in a script tag at the
|
|
|
996 |
* end of the page after initialising Y instance, since this gives best page-load
|
|
|
997 |
* performance and allows you to use YUI3 library.
|
|
|
998 |
*
|
|
|
999 |
* If you request that a particular function is called several times, then
|
|
|
1000 |
* that is what will happen (unlike linking to a CSS or JS file, where only
|
|
|
1001 |
* one link will be output).
|
|
|
1002 |
*
|
|
|
1003 |
* The main benefit of the method is the automatic encoding of all function parameters.
|
|
|
1004 |
*
|
|
|
1005 |
* @deprecated
|
|
|
1006 |
*
|
|
|
1007 |
* @param string $function the name of the JavaScritp function to call. Can
|
|
|
1008 |
* be a compound name like 'Y.Event.purgeElement'. Can also be
|
|
|
1009 |
* used to create and object by using a 'function name' like 'new user_selector'.
|
|
|
1010 |
* @param array $arguments and array of arguments to be passed to the function.
|
|
|
1011 |
* When generating the function call, this will be escaped using json_encode,
|
|
|
1012 |
* so passing objects and arrays should work.
|
|
|
1013 |
* @param bool $ondomready If tru the function is only called when the dom is
|
|
|
1014 |
* ready for manipulation.
|
|
|
1015 |
* @param int $delay The delay before the function is called.
|
|
|
1016 |
*/
|
|
|
1017 |
public function js_function_call($function, array $arguments = null, $ondomready = false, $delay = 0) {
|
|
|
1018 |
$where = $ondomready ? 'ondomready' : 'normal';
|
|
|
1019 |
$this->jscalls[$where][] = array($function, $arguments, $delay);
|
|
|
1020 |
}
|
|
|
1021 |
|
|
|
1022 |
/**
|
|
|
1023 |
* This function appends a block of code to the AMD specific javascript block executed
|
|
|
1024 |
* in the page footer, just after loading the requirejs library.
|
|
|
1025 |
*
|
|
|
1026 |
* The code passed here can rely on AMD module loading, e.g. require('jquery', function($) {...});
|
|
|
1027 |
*
|
|
|
1028 |
* @param string $code The JS code to append.
|
|
|
1029 |
*/
|
|
|
1030 |
public function js_amd_inline($code) {
|
|
|
1031 |
$this->amdjscode[] = $code;
|
|
|
1032 |
}
|
|
|
1033 |
|
|
|
1034 |
/**
|
|
|
1035 |
* Load an AMD module and eventually call its method.
|
|
|
1036 |
*
|
|
|
1037 |
* This function creates a minimal inline JS snippet that requires an AMD module and eventually calls a single
|
|
|
1038 |
* function from the module with given arguments. If it is called multiple times, it will be create multiple
|
|
|
1039 |
* snippets.
|
|
|
1040 |
*
|
|
|
1041 |
* @param string $fullmodule The name of the AMD module to load, formatted as <component name>/<module name>.
|
|
|
1042 |
* @param string $func Optional function from the module to call, defaults to just loading the AMD module.
|
|
|
1043 |
* @param array $params The params to pass to the function (will be serialized into JSON).
|
|
|
1044 |
*/
|
|
|
1045 |
public function js_call_amd($fullmodule, $func = null, $params = array()) {
|
|
|
1046 |
global $CFG;
|
|
|
1047 |
|
|
|
1048 |
$modulepath = explode('/', $fullmodule);
|
|
|
1049 |
|
|
|
1050 |
$modname = clean_param(array_shift($modulepath), PARAM_COMPONENT);
|
|
|
1051 |
foreach ($modulepath as $module) {
|
|
|
1052 |
$modname .= '/' . clean_param($module, PARAM_ALPHANUMEXT);
|
|
|
1053 |
}
|
|
|
1054 |
|
|
|
1055 |
$functioncode = [];
|
|
|
1056 |
if ($func !== null) {
|
|
|
1057 |
$func = clean_param($func, PARAM_ALPHANUMEXT);
|
|
|
1058 |
|
|
|
1059 |
$jsonparams = array();
|
|
|
1060 |
foreach ($params as $param) {
|
|
|
1061 |
$jsonparams[] = json_encode($param);
|
|
|
1062 |
}
|
|
|
1063 |
$strparams = implode(', ', $jsonparams);
|
|
|
1064 |
if ($CFG->debugdeveloper) {
|
|
|
1065 |
$toomanyparamslimit = 1024;
|
|
|
1066 |
if (strlen($strparams) > $toomanyparamslimit) {
|
|
|
1067 |
debugging('Too much data passed as arguments to js_call_amd("' . $fullmodule . '", "' . $func .
|
|
|
1068 |
'"). Generally there are better ways to pass lots of data from PHP to JavaScript, for example via Ajax, ' .
|
|
|
1069 |
'data attributes, ... . This warning is triggered if the argument string becomes longer than ' .
|
|
|
1070 |
$toomanyparamslimit . ' characters.', DEBUG_DEVELOPER);
|
|
|
1071 |
}
|
|
|
1072 |
}
|
|
|
1073 |
|
|
|
1074 |
$functioncode[] = "amd.{$func}({$strparams});";
|
|
|
1075 |
}
|
|
|
1076 |
|
|
|
1077 |
$functioncode[] = "M.util.js_complete('{$modname}');";
|
|
|
1078 |
|
|
|
1079 |
$initcode = implode(' ', $functioncode);
|
|
|
1080 |
$js = "M.util.js_pending('{$modname}'); require(['{$modname}'], function(amd) {{$initcode}});";
|
|
|
1081 |
|
|
|
1082 |
$this->js_amd_inline($js);
|
|
|
1083 |
}
|
|
|
1084 |
|
|
|
1085 |
/**
|
|
|
1086 |
* Creates a JavaScript function call that requires one or more modules to be loaded.
|
|
|
1087 |
*
|
|
|
1088 |
* This function can be used to include all of the standard YUI module types within JavaScript:
|
|
|
1089 |
* - YUI3 modules [node, event, io]
|
|
|
1090 |
* - YUI2 modules [yui2-*]
|
|
|
1091 |
* - Moodle modules [moodle-*]
|
|
|
1092 |
* - Gallery modules [gallery-*]
|
|
|
1093 |
*
|
|
|
1094 |
* Before writing new code that makes extensive use of YUI, you should consider it's replacement AMD/JQuery.
|
|
|
1095 |
* @see js_call_amd()
|
|
|
1096 |
*
|
|
|
1097 |
* @param array|string $modules One or more modules
|
|
|
1098 |
* @param string $function The function to call once modules have been loaded
|
|
|
1099 |
* @param array $arguments An array of arguments to pass to the function
|
|
|
1100 |
* @param string $galleryversion Deprecated: The gallery version to use
|
|
|
1101 |
* @param bool $ondomready
|
|
|
1102 |
*/
|
|
|
1103 |
public function yui_module($modules, $function, array $arguments = null, $galleryversion = null, $ondomready = false) {
|
|
|
1104 |
if (!is_array($modules)) {
|
|
|
1105 |
$modules = array($modules);
|
|
|
1106 |
}
|
|
|
1107 |
|
|
|
1108 |
if ($galleryversion != null) {
|
|
|
1109 |
debugging('The galleryversion parameter to yui_module has been deprecated since Moodle 2.3.');
|
|
|
1110 |
}
|
|
|
1111 |
|
|
|
1112 |
$jscode = 'Y.use('.join(',', array_map('json_encode', convert_to_array($modules))).',function() {'.js_writer::function_call($function, $arguments).'});';
|
|
|
1113 |
if ($ondomready) {
|
|
|
1114 |
$jscode = "Y.on('domready', function() { $jscode });";
|
|
|
1115 |
}
|
|
|
1116 |
$this->jsinitcode[] = $jscode;
|
|
|
1117 |
}
|
|
|
1118 |
|
|
|
1119 |
/**
|
|
|
1120 |
* Set the CSS Modules to be included from YUI.
|
|
|
1121 |
*
|
|
|
1122 |
* @param array $modules The list of YUI CSS Modules to include.
|
|
|
1123 |
*/
|
|
|
1124 |
public function set_yuicssmodules(array $modules = array()) {
|
|
|
1125 |
$this->yuicssmodules = $modules;
|
|
|
1126 |
}
|
|
|
1127 |
|
|
|
1128 |
/**
|
|
|
1129 |
* Ensure that the specified JavaScript function is called from an inline script
|
|
|
1130 |
* from page footer.
|
|
|
1131 |
*
|
|
|
1132 |
* @param string $function the name of the JavaScritp function to with init code,
|
|
|
1133 |
* usually something like 'M.mod_mymodule.init'
|
|
|
1134 |
* @param array $extraarguments and array of arguments to be passed to the function.
|
|
|
1135 |
* The first argument is always the YUI3 Y instance with all required dependencies
|
|
|
1136 |
* already loaded.
|
|
|
1137 |
* @param bool $ondomready wait for dom ready (helps with some IE problems when modifying DOM)
|
|
|
1138 |
* @param array $module JS module specification array
|
|
|
1139 |
*/
|
|
|
1140 |
public function js_init_call($function, array $extraarguments = null, $ondomready = false, array $module = null) {
|
|
|
1141 |
$jscode = js_writer::function_call_with_Y($function, $extraarguments);
|
|
|
1142 |
if (!$module) {
|
|
|
1143 |
// Detect module automatically.
|
|
|
1144 |
if (preg_match('/M\.([a-z0-9]+_[^\.]+)/', $function, $matches)) {
|
|
|
1145 |
$module = $this->find_module($matches[1]);
|
|
|
1146 |
}
|
|
|
1147 |
}
|
|
|
1148 |
|
|
|
1149 |
$this->js_init_code($jscode, $ondomready, $module);
|
|
|
1150 |
}
|
|
|
1151 |
|
|
|
1152 |
/**
|
|
|
1153 |
* Add short static javascript code fragment to page footer.
|
|
|
1154 |
* This is intended primarily for loading of js modules and initialising page layout.
|
|
|
1155 |
* Ideally the JS code fragment should be stored in plugin renderer so that themes
|
|
|
1156 |
* may override it.
|
|
|
1157 |
*
|
|
|
1158 |
* @param string $jscode
|
|
|
1159 |
* @param bool $ondomready wait for dom ready (helps with some IE problems when modifying DOM)
|
|
|
1160 |
* @param array $module JS module specification array
|
|
|
1161 |
*/
|
|
|
1162 |
public function js_init_code($jscode, $ondomready = false, array $module = null) {
|
|
|
1163 |
$jscode = trim($jscode, " ;\n"). ';';
|
|
|
1164 |
|
|
|
1165 |
$uniqid = html_writer::random_id();
|
|
|
1166 |
$startjs = " M.util.js_pending('" . $uniqid . "');";
|
|
|
1167 |
$endjs = " M.util.js_complete('" . $uniqid . "');";
|
|
|
1168 |
|
|
|
1169 |
if ($module) {
|
|
|
1170 |
$this->js_module($module);
|
|
|
1171 |
$modulename = $module['name'];
|
|
|
1172 |
$jscode = "$startjs Y.use('$modulename', function(Y) { $jscode $endjs });";
|
|
|
1173 |
}
|
|
|
1174 |
|
|
|
1175 |
if ($ondomready) {
|
|
|
1176 |
$jscode = "$startjs Y.on('domready', function() { $jscode $endjs });";
|
|
|
1177 |
}
|
|
|
1178 |
|
|
|
1179 |
$this->jsinitcode[] = $jscode;
|
|
|
1180 |
}
|
|
|
1181 |
|
|
|
1182 |
/**
|
|
|
1183 |
* Make a language string available to JavaScript.
|
|
|
1184 |
*
|
|
|
1185 |
* All the strings will be available in a M.str object in the global namespace.
|
|
|
1186 |
* So, for example, after a call to $PAGE->requires->string_for_js('course', 'moodle');
|
|
|
1187 |
* then the JavaScript variable M.str.moodle.course will be 'Course', or the
|
|
|
1188 |
* equivalent in the current language.
|
|
|
1189 |
*
|
|
|
1190 |
* The arguments to this function are just like the arguments to get_string
|
|
|
1191 |
* except that $component is not optional, and there are some aspects to consider
|
|
|
1192 |
* when the string contains {$a} placeholder.
|
|
|
1193 |
*
|
|
|
1194 |
* If the string does not contain any {$a} placeholder, you can simply use
|
|
|
1195 |
* M.str.component.identifier to obtain it. If you prefer, you can call
|
|
|
1196 |
* M.util.get_string(identifier, component) to get the same result.
|
|
|
1197 |
*
|
|
|
1198 |
* If you need to use {$a} placeholders, there are two options. Either the
|
|
|
1199 |
* placeholder should be substituted in PHP on server side or it should
|
|
|
1200 |
* be substituted in Javascript at client side.
|
|
|
1201 |
*
|
|
|
1202 |
* To substitute the placeholder at server side, just provide the required
|
|
|
1203 |
* value for the placeholder when you require the string. Because each string
|
|
|
1204 |
* is only stored once in the JavaScript (based on $identifier and $module)
|
|
|
1205 |
* you cannot get the same string with two different values of $a. If you try,
|
|
|
1206 |
* an exception will be thrown. Once the placeholder is substituted, you can
|
|
|
1207 |
* use M.str or M.util.get_string() as shown above:
|
|
|
1208 |
*
|
|
|
1209 |
* // Require the string in PHP and replace the placeholder.
|
|
|
1210 |
* $PAGE->requires->string_for_js('fullnamedisplay', 'moodle', $USER);
|
|
|
1211 |
* // Use the result of the substitution in Javascript.
|
|
|
1212 |
* alert(M.str.moodle.fullnamedisplay);
|
|
|
1213 |
*
|
|
|
1214 |
* To substitute the placeholder at client side, use M.util.get_string()
|
|
|
1215 |
* function. It implements the same logic as {@link get_string()}:
|
|
|
1216 |
*
|
|
|
1217 |
* // Require the string in PHP but keep {$a} as it is.
|
|
|
1218 |
* $PAGE->requires->string_for_js('fullnamedisplay', 'moodle');
|
|
|
1219 |
* // Provide the values on the fly in Javascript.
|
|
|
1220 |
* user = { firstname : 'Harry', lastname : 'Potter' }
|
|
|
1221 |
* alert(M.util.get_string('fullnamedisplay', 'moodle', user);
|
|
|
1222 |
*
|
|
|
1223 |
* If you do need the same string expanded with different $a values in PHP
|
|
|
1224 |
* on server side, then the solution is to put them in your own data structure
|
|
|
1225 |
* (e.g. and array) that you pass to JavaScript with {@link data_for_js()}.
|
|
|
1226 |
*
|
|
|
1227 |
* @param string $identifier the desired string.
|
|
|
1228 |
* @param string $component the language file to look in.
|
|
|
1229 |
* @param mixed $a any extra data to add into the string (optional).
|
|
|
1230 |
*/
|
|
|
1231 |
public function string_for_js($identifier, $component, $a = null) {
|
|
|
1232 |
if (!$component) {
|
|
|
1233 |
throw new coding_exception('The $component parameter is required for page_requirements_manager::string_for_js().');
|
|
|
1234 |
}
|
|
|
1235 |
if (isset($this->stringsforjs_as[$component][$identifier]) and $this->stringsforjs_as[$component][$identifier] !== $a) {
|
|
|
1236 |
throw new coding_exception("Attempt to re-define already required string '$identifier' " .
|
|
|
1237 |
"from lang file '$component' with different \$a parameter?");
|
|
|
1238 |
}
|
|
|
1239 |
if (!isset($this->stringsforjs[$component][$identifier])) {
|
|
|
1240 |
$this->stringsforjs[$component][$identifier] = new lang_string($identifier, $component, $a);
|
|
|
1241 |
$this->stringsforjs_as[$component][$identifier] = $a;
|
|
|
1242 |
}
|
|
|
1243 |
}
|
|
|
1244 |
|
|
|
1245 |
/**
|
|
|
1246 |
* Make an array of language strings available for JS.
|
|
|
1247 |
*
|
|
|
1248 |
* This function calls the above function {@link string_for_js()} for each requested
|
|
|
1249 |
* string in the $identifiers array that is passed to the argument for a single module
|
|
|
1250 |
* passed in $module.
|
|
|
1251 |
*
|
|
|
1252 |
* <code>
|
|
|
1253 |
* $PAGE->requires->strings_for_js(array('one', 'two', 'three'), 'mymod', array('a', null, 3));
|
|
|
1254 |
*
|
|
|
1255 |
* // The above is identical to calling:
|
|
|
1256 |
*
|
|
|
1257 |
* $PAGE->requires->string_for_js('one', 'mymod', 'a');
|
|
|
1258 |
* $PAGE->requires->string_for_js('two', 'mymod');
|
|
|
1259 |
* $PAGE->requires->string_for_js('three', 'mymod', 3);
|
|
|
1260 |
* </code>
|
|
|
1261 |
*
|
|
|
1262 |
* @param array $identifiers An array of desired strings
|
|
|
1263 |
* @param string $component The module to load for
|
|
|
1264 |
* @param mixed $a This can either be a single variable that gets passed as extra
|
|
|
1265 |
* information for every string or it can be an array of mixed data where the
|
|
|
1266 |
* key for the data matches that of the identifier it is meant for.
|
|
|
1267 |
*
|
|
|
1268 |
*/
|
|
|
1269 |
public function strings_for_js($identifiers, $component, $a = null) {
|
|
|
1270 |
foreach ($identifiers as $key => $identifier) {
|
|
|
1271 |
if (is_array($a) && array_key_exists($key, $a)) {
|
|
|
1272 |
$extra = $a[$key];
|
|
|
1273 |
} else {
|
|
|
1274 |
$extra = $a;
|
|
|
1275 |
}
|
|
|
1276 |
$this->string_for_js($identifier, $component, $extra);
|
|
|
1277 |
}
|
|
|
1278 |
}
|
|
|
1279 |
|
|
|
1280 |
/**
|
|
|
1281 |
* !!!!!!DEPRECATED!!!!!! please use js_init_call() for everything now.
|
|
|
1282 |
*
|
|
|
1283 |
* Make some data from PHP available to JavaScript code.
|
|
|
1284 |
*
|
|
|
1285 |
* For example, if you call
|
|
|
1286 |
* <pre>
|
|
|
1287 |
* $PAGE->requires->data_for_js('mydata', array('name' => 'Moodle'));
|
|
|
1288 |
* </pre>
|
|
|
1289 |
* then in JavsScript mydata.name will be 'Moodle'.
|
|
|
1290 |
*
|
|
|
1291 |
* @deprecated
|
|
|
1292 |
* @param string $variable the the name of the JavaScript variable to assign the data to.
|
|
|
1293 |
* Will probably work if you use a compound name like 'mybuttons.button[1]', but this
|
|
|
1294 |
* should be considered an experimental feature.
|
|
|
1295 |
* @param mixed $data The data to pass to JavaScript. This will be escaped using json_encode,
|
|
|
1296 |
* so passing objects and arrays should work.
|
|
|
1297 |
* @param bool $inhead initialise in head
|
|
|
1298 |
* @return void
|
|
|
1299 |
*/
|
|
|
1300 |
public function data_for_js($variable, $data, $inhead=false) {
|
|
|
1301 |
$where = $inhead ? 'head' : 'footer';
|
|
|
1302 |
$this->jsinitvariables[$where][] = array($variable, $data);
|
|
|
1303 |
}
|
|
|
1304 |
|
|
|
1305 |
/**
|
|
|
1306 |
* Creates a YUI event handler.
|
|
|
1307 |
*
|
|
|
1308 |
* @param mixed $selector standard YUI selector for elements, may be array or string, element id is in the form "#idvalue"
|
|
|
1309 |
* @param string $event A valid DOM event (click, mousedown, change etc.)
|
|
|
1310 |
* @param string $function The name of the function to call
|
|
|
1311 |
* @param array $arguments An optional array of argument parameters to pass to the function
|
|
|
1312 |
*/
|
|
|
1313 |
public function event_handler($selector, $event, $function, array $arguments = null) {
|
|
|
1314 |
$this->eventhandlers[] = array('selector'=>$selector, 'event'=>$event, 'function'=>$function, 'arguments'=>$arguments);
|
|
|
1315 |
}
|
|
|
1316 |
|
|
|
1317 |
/**
|
|
|
1318 |
* Returns code needed for registering of event handlers.
|
|
|
1319 |
* @return string JS code
|
|
|
1320 |
*/
|
|
|
1321 |
protected function get_event_handler_code() {
|
|
|
1322 |
$output = '';
|
|
|
1323 |
foreach ($this->eventhandlers as $h) {
|
|
|
1324 |
$output .= js_writer::event_handler($h['selector'], $h['event'], $h['function'], $h['arguments']);
|
|
|
1325 |
}
|
|
|
1326 |
return $output;
|
|
|
1327 |
}
|
|
|
1328 |
|
|
|
1329 |
/**
|
|
|
1330 |
* Get the inline JavaScript code that need to appear in a particular place.
|
|
|
1331 |
* @param bool $ondomready
|
|
|
1332 |
* @return string
|
|
|
1333 |
*/
|
|
|
1334 |
protected function get_javascript_code($ondomready) {
|
|
|
1335 |
$where = $ondomready ? 'ondomready' : 'normal';
|
|
|
1336 |
$output = '';
|
|
|
1337 |
if ($this->jscalls[$where]) {
|
|
|
1338 |
foreach ($this->jscalls[$where] as $data) {
|
|
|
1339 |
$output .= js_writer::function_call($data[0], $data[1], $data[2]);
|
|
|
1340 |
}
|
|
|
1341 |
if (!empty($ondomready)) {
|
|
|
1342 |
$output = " Y.on('domready', function() {\n$output\n});";
|
|
|
1343 |
}
|
|
|
1344 |
}
|
|
|
1345 |
return $output;
|
|
|
1346 |
}
|
|
|
1347 |
|
|
|
1348 |
/**
|
|
|
1349 |
* Returns js code to be executed when Y is available.
|
|
|
1350 |
* @return string
|
|
|
1351 |
*/
|
|
|
1352 |
protected function get_javascript_init_code() {
|
|
|
1353 |
if (count($this->jsinitcode)) {
|
|
|
1354 |
return implode("\n", $this->jsinitcode) . "\n";
|
|
|
1355 |
}
|
|
|
1356 |
return '';
|
|
|
1357 |
}
|
|
|
1358 |
|
|
|
1359 |
/**
|
|
|
1360 |
* Returns js code to load amd module loader, then insert inline script tags
|
|
|
1361 |
* that contain require() calls using RequireJS.
|
|
|
1362 |
* @return string
|
|
|
1363 |
*/
|
|
|
1364 |
protected function get_amd_footercode() {
|
|
|
1365 |
global $CFG;
|
|
|
1366 |
$output = '';
|
|
|
1367 |
|
|
|
1368 |
// We will cache JS if cachejs is not set, or it is true.
|
|
|
1369 |
$cachejs = !isset($CFG->cachejs) || $CFG->cachejs;
|
|
|
1370 |
$jsrev = $this->get_jsrev();
|
|
|
1371 |
|
|
|
1372 |
$jsloader = new moodle_url('/lib/javascript.php');
|
|
|
1373 |
$jsloader->set_slashargument('/' . $jsrev . '/');
|
|
|
1374 |
$requirejsloader = new moodle_url('/lib/requirejs.php');
|
|
|
1375 |
$requirejsloader->set_slashargument('/' . $jsrev . '/');
|
|
|
1376 |
|
|
|
1377 |
$requirejsconfig = file_get_contents($CFG->dirroot . '/lib/requirejs/moodle-config.js');
|
|
|
1378 |
|
|
|
1379 |
// No extension required unless slash args is disabled.
|
|
|
1380 |
$jsextension = '.js';
|
|
|
1381 |
if (!empty($CFG->slasharguments)) {
|
|
|
1382 |
$jsextension = '';
|
|
|
1383 |
}
|
|
|
1384 |
|
|
|
1385 |
$minextension = '.min';
|
|
|
1386 |
if (!$cachejs) {
|
|
|
1387 |
$minextension = '';
|
|
|
1388 |
}
|
|
|
1389 |
|
|
|
1390 |
$requirejsconfig = str_replace('[BASEURL]', $requirejsloader, $requirejsconfig);
|
|
|
1391 |
$requirejsconfig = str_replace('[JSURL]', $jsloader, $requirejsconfig);
|
|
|
1392 |
$requirejsconfig = str_replace('[JSMIN]', $minextension, $requirejsconfig);
|
|
|
1393 |
$requirejsconfig = str_replace('[JSEXT]', $jsextension, $requirejsconfig);
|
|
|
1394 |
|
|
|
1395 |
$output .= html_writer::script($requirejsconfig);
|
|
|
1396 |
if ($cachejs) {
|
|
|
1397 |
$output .= html_writer::script('', $this->js_fix_url('/lib/requirejs/require.min.js'));
|
|
|
1398 |
} else {
|
|
|
1399 |
$output .= html_writer::script('', $this->js_fix_url('/lib/requirejs/require.js'));
|
|
|
1400 |
}
|
|
|
1401 |
|
|
|
1402 |
// First include must be to a module with no dependencies, this prevents multiple requests.
|
|
|
1403 |
$prefix = <<<EOF
|
|
|
1404 |
M.util.js_pending("core/first");
|
|
|
1405 |
require(['core/first'], function() {
|
|
|
1406 |
|
|
|
1407 |
EOF;
|
|
|
1408 |
|
|
|
1409 |
if (during_initial_install()) {
|
|
|
1410 |
// Do not run a prefetch during initial install as the DB is not available to service WS calls.
|
|
|
1411 |
$prefetch = '';
|
|
|
1412 |
} else {
|
|
|
1413 |
$prefetch = "require(['core/prefetch'])\n";
|
|
|
1414 |
}
|
|
|
1415 |
|
|
|
1416 |
$suffix = <<<EOF
|
|
|
1417 |
|
|
|
1418 |
M.util.js_complete("core/first");
|
|
|
1419 |
});
|
|
|
1420 |
EOF;
|
|
|
1421 |
|
|
|
1422 |
$output .= html_writer::script($prefix . $prefetch . implode(";\n", $this->amdjscode) . $suffix);
|
|
|
1423 |
return $output;
|
|
|
1424 |
}
|
|
|
1425 |
|
|
|
1426 |
/**
|
|
|
1427 |
* Returns basic YUI3 CSS code.
|
|
|
1428 |
*
|
|
|
1429 |
* @return string
|
|
|
1430 |
*/
|
|
|
1431 |
protected function get_yui3lib_headcss() {
|
|
|
1432 |
global $CFG;
|
|
|
1433 |
|
|
|
1434 |
$yuiformat = '-min';
|
|
|
1435 |
if ($this->yui3loader->filter === 'RAW') {
|
|
|
1436 |
$yuiformat = '';
|
|
|
1437 |
}
|
|
|
1438 |
|
|
|
1439 |
$code = '';
|
|
|
1440 |
if ($this->yui3loader->combine) {
|
|
|
1441 |
if (!empty($this->yuicssmodules)) {
|
|
|
1442 |
$modules = array();
|
|
|
1443 |
foreach ($this->yuicssmodules as $module) {
|
|
|
1444 |
$modules[] = "$CFG->yui3version/$module/$module-min.css";
|
|
|
1445 |
}
|
|
|
1446 |
$code .= '<link rel="stylesheet" type="text/css" href="'.$this->yui3loader->comboBase.implode('&', $modules).'" />';
|
|
|
1447 |
}
|
|
|
1448 |
$code .= '<link rel="stylesheet" type="text/css" href="'.$this->yui3loader->local_comboBase.'rollup/'.$CFG->yui3version.'/yui-moodlesimple' . $yuiformat . '.css" />';
|
|
|
1449 |
|
|
|
1450 |
} else {
|
|
|
1451 |
if (!empty($this->yuicssmodules)) {
|
|
|
1452 |
foreach ($this->yuicssmodules as $module) {
|
|
|
1453 |
$code .= '<link rel="stylesheet" type="text/css" href="'.$this->yui3loader->base.$module.'/'.$module.'-min.css" />';
|
|
|
1454 |
}
|
|
|
1455 |
}
|
|
|
1456 |
$code .= '<link rel="stylesheet" type="text/css" href="'.$this->yui3loader->local_comboBase.'rollup/'.$CFG->yui3version.'/yui-moodlesimple' . $yuiformat . '.css" />';
|
|
|
1457 |
}
|
|
|
1458 |
|
|
|
1459 |
if ($this->yui3loader->filter === 'RAW') {
|
|
|
1460 |
$code = str_replace('-min.css', '.css', $code);
|
|
|
1461 |
} else if ($this->yui3loader->filter === 'DEBUG') {
|
|
|
1462 |
$code = str_replace('-min.css', '.css', $code);
|
|
|
1463 |
}
|
|
|
1464 |
return $code;
|
|
|
1465 |
}
|
|
|
1466 |
|
|
|
1467 |
/**
|
|
|
1468 |
* Returns basic YUI3 JS loading code.
|
|
|
1469 |
*
|
|
|
1470 |
* @return string
|
|
|
1471 |
*/
|
|
|
1472 |
protected function get_yui3lib_headcode() {
|
|
|
1473 |
global $CFG;
|
|
|
1474 |
|
|
|
1475 |
$jsrev = $this->get_jsrev();
|
|
|
1476 |
|
|
|
1477 |
$yuiformat = '-min';
|
|
|
1478 |
if ($this->yui3loader->filter === 'RAW') {
|
|
|
1479 |
$yuiformat = '';
|
|
|
1480 |
}
|
|
|
1481 |
|
|
|
1482 |
$format = '-min';
|
|
|
1483 |
if ($this->YUI_config->groups['moodle']['filter'] === 'DEBUG') {
|
|
|
1484 |
$format = '-debug';
|
|
|
1485 |
}
|
|
|
1486 |
|
|
|
1487 |
$rollupversion = $CFG->yui3version;
|
|
|
1488 |
if (!empty($CFG->yuipatchlevel)) {
|
|
|
1489 |
$rollupversion .= '_' . $CFG->yuipatchlevel;
|
|
|
1490 |
}
|
|
|
1491 |
|
|
|
1492 |
$baserollups = array(
|
|
|
1493 |
'rollup/' . $rollupversion . "/yui-moodlesimple{$yuiformat}.js",
|
|
|
1494 |
);
|
|
|
1495 |
|
|
|
1496 |
if ($this->yui3loader->combine) {
|
|
|
1497 |
return '<script src="' .
|
|
|
1498 |
$this->yui3loader->local_comboBase .
|
|
|
1499 |
implode('&', $baserollups) .
|
|
|
1500 |
'"></script>';
|
|
|
1501 |
} else {
|
|
|
1502 |
$code = '';
|
|
|
1503 |
foreach ($baserollups as $rollup) {
|
|
|
1504 |
$code .= '<script src="'.$this->yui3loader->local_comboBase.$rollup.'"></script>';
|
|
|
1505 |
}
|
|
|
1506 |
return $code;
|
|
|
1507 |
}
|
|
|
1508 |
|
|
|
1509 |
}
|
|
|
1510 |
|
|
|
1511 |
/**
|
|
|
1512 |
* Returns html tags needed for inclusion of theme CSS.
|
|
|
1513 |
*
|
|
|
1514 |
* @return string
|
|
|
1515 |
*/
|
|
|
1516 |
protected function get_css_code() {
|
|
|
1517 |
// First of all the theme CSS, then any custom CSS
|
|
|
1518 |
// Please note custom CSS is strongly discouraged,
|
|
|
1519 |
// because it can not be overridden by themes!
|
|
|
1520 |
// It is suitable only for things like mod/data which accepts CSS from teachers.
|
|
|
1521 |
$attributes = array('rel'=>'stylesheet', 'type'=>'text/css');
|
|
|
1522 |
|
|
|
1523 |
// Add the YUI code first. We want this to be overridden by any Moodle CSS.
|
|
|
1524 |
$code = $this->get_yui3lib_headcss();
|
|
|
1525 |
|
|
|
1526 |
// This line of code may look funny but it is currently required in order
|
|
|
1527 |
// to avoid MASSIVE display issues in Internet Explorer.
|
|
|
1528 |
// As of IE8 + YUI3.1.1 the reference stylesheet (firstthemesheet) gets
|
|
|
1529 |
// ignored whenever another resource is added until such time as a redraw
|
|
|
1530 |
// is forced, usually by moving the mouse over the affected element.
|
|
|
1531 |
$code .= html_writer::tag('script', '/** Required in order to fix style inclusion problems in IE with YUI **/', array('id'=>'firstthemesheet', 'type'=>'text/css'));
|
|
|
1532 |
|
|
|
1533 |
$urls = $this->cssthemeurls + $this->cssurls;
|
|
|
1534 |
foreach ($urls as $url) {
|
|
|
1535 |
$attributes['href'] = $url;
|
|
|
1536 |
$code .= html_writer::empty_tag('link', $attributes) . "\n";
|
|
|
1537 |
// This id is needed in first sheet only so that theme may override YUI sheets loaded on the fly.
|
|
|
1538 |
unset($attributes['id']);
|
|
|
1539 |
}
|
|
|
1540 |
|
|
|
1541 |
return $code;
|
|
|
1542 |
}
|
|
|
1543 |
|
|
|
1544 |
/**
|
|
|
1545 |
* Adds extra modules specified after printing of page header.
|
|
|
1546 |
*
|
|
|
1547 |
* @return string
|
|
|
1548 |
*/
|
|
|
1549 |
protected function get_extra_modules_code() {
|
|
|
1550 |
if (empty($this->extramodules)) {
|
|
|
1551 |
return '';
|
|
|
1552 |
}
|
|
|
1553 |
return html_writer::script(js_writer::function_call('M.yui.add_module', array($this->extramodules)));
|
|
|
1554 |
}
|
|
|
1555 |
|
|
|
1556 |
/**
|
|
|
1557 |
* Generate any HTML that needs to go inside the <head> tag.
|
|
|
1558 |
*
|
|
|
1559 |
* Normally, this method is called automatically by the code that prints the
|
|
|
1560 |
* <head> tag. You should not normally need to call it in your own code.
|
|
|
1561 |
*
|
|
|
1562 |
* @param moodle_page $page
|
|
|
1563 |
* @param core_renderer $renderer
|
|
|
1564 |
* @return string the HTML code to to inside the <head> tag.
|
|
|
1565 |
*/
|
|
|
1566 |
public function get_head_code(moodle_page $page, core_renderer $renderer) {
|
|
|
1567 |
global $CFG;
|
|
|
1568 |
|
|
|
1569 |
// Note: the $page and $output are not stored here because it would
|
|
|
1570 |
// create circular references in memory which prevents garbage collection.
|
|
|
1571 |
$this->init_requirements_data($page, $renderer);
|
|
|
1572 |
|
|
|
1573 |
$output = '';
|
|
|
1574 |
|
|
|
1575 |
// Add all standard CSS for this page.
|
|
|
1576 |
$output .= $this->get_css_code();
|
|
|
1577 |
|
|
|
1578 |
// Set up the M namespace.
|
|
|
1579 |
$js = "var M = {}; M.yui = {};\n";
|
|
|
1580 |
|
|
|
1581 |
// Capture the time now ASAP during page load. This minimises the lag when
|
|
|
1582 |
// we try to relate times on the server to times in the browser.
|
|
|
1583 |
// An example of where this is used is the quiz countdown timer.
|
|
|
1584 |
$js .= "M.pageloadstarttime = new Date();\n";
|
|
|
1585 |
|
|
|
1586 |
// Add a subset of Moodle configuration to the M namespace.
|
|
|
1587 |
$js .= js_writer::set_variable('M.cfg', $this->M_cfg, false);
|
|
|
1588 |
|
|
|
1589 |
// Set up global YUI3 loader object - this should contain all code needed by plugins.
|
|
|
1590 |
// Note: in JavaScript just use "YUI().use('overlay', function(Y) { .... });",
|
|
|
1591 |
// this needs to be done before including any other script.
|
|
|
1592 |
$js .= $this->YUI_config->get_config_functions();
|
|
|
1593 |
$js .= js_writer::set_variable('YUI_config', $this->YUI_config, false) . "\n";
|
|
|
1594 |
$js .= "M.yui.loader = {modules: {}};\n"; // Backwards compatibility only, not used any more.
|
|
|
1595 |
$js = $this->YUI_config->update_header_js($js);
|
|
|
1596 |
|
|
|
1597 |
$output .= html_writer::script($js);
|
|
|
1598 |
|
|
|
1599 |
// Add variables.
|
|
|
1600 |
if ($this->jsinitvariables['head']) {
|
|
|
1601 |
$js = '';
|
|
|
1602 |
foreach ($this->jsinitvariables['head'] as $data) {
|
|
|
1603 |
list($var, $value) = $data;
|
|
|
1604 |
$js .= js_writer::set_variable($var, $value, true);
|
|
|
1605 |
}
|
|
|
1606 |
$output .= html_writer::script($js);
|
|
|
1607 |
}
|
|
|
1608 |
|
|
|
1609 |
// Mark head sending done, it is not possible to anything there.
|
|
|
1610 |
$this->headdone = true;
|
|
|
1611 |
|
|
|
1612 |
return $output;
|
|
|
1613 |
}
|
|
|
1614 |
|
|
|
1615 |
/**
|
|
|
1616 |
* Generate any HTML that needs to go at the start of the <body> tag.
|
|
|
1617 |
*
|
|
|
1618 |
* Normally, this method is called automatically by the code that prints the
|
|
|
1619 |
* <head> tag. You should not normally need to call it in your own code.
|
|
|
1620 |
*
|
|
|
1621 |
* @param renderer_base $renderer
|
|
|
1622 |
* @return string the HTML code to go at the start of the <body> tag.
|
|
|
1623 |
*/
|
|
|
1624 |
public function get_top_of_body_code(renderer_base $renderer) {
|
|
|
1625 |
global $CFG;
|
|
|
1626 |
|
|
|
1627 |
// First the skip links.
|
|
|
1628 |
$output = $renderer->render_skip_links($this->skiplinks);
|
|
|
1629 |
|
|
|
1630 |
// Include the Polyfills.
|
|
|
1631 |
$output .= html_writer::script('', $this->js_fix_url('/lib/polyfills/polyfill.js'));
|
|
|
1632 |
|
|
|
1633 |
// YUI3 JS needs to be loaded early in the body. It should be cached well by the browser.
|
|
|
1634 |
$output .= $this->get_yui3lib_headcode();
|
|
|
1635 |
|
|
|
1636 |
// Add hacked jQuery support, it is not intended for standard Moodle distribution!
|
|
|
1637 |
$output .= $this->get_jquery_headcode();
|
|
|
1638 |
|
|
|
1639 |
// Link our main JS file, all core stuff should be there.
|
|
|
1640 |
$output .= html_writer::script('', $this->js_fix_url('/lib/javascript-static.js'));
|
|
|
1641 |
|
|
|
1642 |
// All the other linked things from HEAD - there should be as few as possible.
|
|
|
1643 |
if ($this->jsincludes['head']) {
|
|
|
1644 |
foreach ($this->jsincludes['head'] as $url) {
|
|
|
1645 |
$output .= html_writer::script('', $url);
|
|
|
1646 |
}
|
|
|
1647 |
}
|
|
|
1648 |
|
|
|
1649 |
// Then the clever trick for hiding of things not needed when JS works.
|
|
|
1650 |
$output .= html_writer::script("document.body.className += ' jsenabled';") . "\n";
|
|
|
1651 |
$this->topofbodydone = true;
|
|
|
1652 |
return $output;
|
|
|
1653 |
}
|
|
|
1654 |
|
|
|
1655 |
/**
|
|
|
1656 |
* Generate any HTML that needs to go at the end of the page.
|
|
|
1657 |
*
|
|
|
1658 |
* Normally, this method is called automatically by the code that prints the
|
|
|
1659 |
* page footer. You should not normally need to call it in your own code.
|
|
|
1660 |
*
|
|
|
1661 |
* @return string the HTML code to to at the end of the page.
|
|
|
1662 |
*/
|
|
|
1663 |
public function get_end_code() {
|
| 11 |
efrain |
1664 |
global $CFG, $USER;
|
| 1 |
efrain |
1665 |
$output = '';
|
|
|
1666 |
|
|
|
1667 |
// Set the log level for the JS logging.
|
|
|
1668 |
$logconfig = new stdClass();
|
|
|
1669 |
$logconfig->level = 'warn';
|
|
|
1670 |
if ($CFG->debugdeveloper) {
|
|
|
1671 |
$logconfig->level = 'trace';
|
|
|
1672 |
}
|
|
|
1673 |
$this->js_call_amd('core/log', 'setConfig', array($logconfig));
|
|
|
1674 |
// Add any global JS that needs to run on all pages.
|
|
|
1675 |
$this->js_call_amd('core/page_global', 'init');
|
|
|
1676 |
$this->js_call_amd('core/utility');
|
| 11 |
efrain |
1677 |
$this->js_call_amd('core/storage_validation', 'init', [
|
|
|
1678 |
!empty($USER->currentlogin) ? (int) $USER->currentlogin : null
|
|
|
1679 |
]);
|
| 1 |
efrain |
1680 |
|
|
|
1681 |
// Call amd init functions.
|
|
|
1682 |
$output .= $this->get_amd_footercode();
|
|
|
1683 |
|
|
|
1684 |
// Add other requested modules.
|
|
|
1685 |
$output .= $this->get_extra_modules_code();
|
|
|
1686 |
|
|
|
1687 |
$this->js_init_code('M.util.js_complete("init");', true);
|
|
|
1688 |
|
|
|
1689 |
// All the other linked scripts - there should be as few as possible.
|
|
|
1690 |
if ($this->jsincludes['footer']) {
|
|
|
1691 |
foreach ($this->jsincludes['footer'] as $url) {
|
|
|
1692 |
$output .= html_writer::script('', $url);
|
|
|
1693 |
}
|
|
|
1694 |
}
|
|
|
1695 |
|
|
|
1696 |
// Add all needed strings.
|
|
|
1697 |
// First add core strings required for some dialogues.
|
|
|
1698 |
$this->strings_for_js(array(
|
|
|
1699 |
'confirm',
|
|
|
1700 |
'yes',
|
|
|
1701 |
'no',
|
|
|
1702 |
'areyousure',
|
|
|
1703 |
'closebuttontitle',
|
|
|
1704 |
'unknownerror',
|
|
|
1705 |
'error',
|
|
|
1706 |
'file',
|
|
|
1707 |
'url',
|
|
|
1708 |
// TODO MDL-70830 shortforms should preload the collapseall/expandall strings properly.
|
|
|
1709 |
'collapseall',
|
|
|
1710 |
'expandall',
|
|
|
1711 |
), 'moodle');
|
|
|
1712 |
$this->strings_for_js(array(
|
|
|
1713 |
'debuginfo',
|
|
|
1714 |
'line',
|
|
|
1715 |
'stacktrace',
|
|
|
1716 |
), 'debug');
|
|
|
1717 |
$this->string_for_js('labelsep', 'langconfig');
|
|
|
1718 |
if (!empty($this->stringsforjs)) {
|
|
|
1719 |
$strings = array();
|
|
|
1720 |
foreach ($this->stringsforjs as $component=>$v) {
|
|
|
1721 |
foreach($v as $indentifier => $langstring) {
|
|
|
1722 |
$strings[$component][$indentifier] = $langstring->out();
|
|
|
1723 |
}
|
|
|
1724 |
}
|
|
|
1725 |
$output .= html_writer::script(js_writer::set_variable('M.str', $strings));
|
|
|
1726 |
}
|
|
|
1727 |
|
|
|
1728 |
// Add variables.
|
|
|
1729 |
if ($this->jsinitvariables['footer']) {
|
|
|
1730 |
$js = '';
|
|
|
1731 |
foreach ($this->jsinitvariables['footer'] as $data) {
|
|
|
1732 |
list($var, $value) = $data;
|
|
|
1733 |
$js .= js_writer::set_variable($var, $value, true);
|
|
|
1734 |
}
|
|
|
1735 |
$output .= html_writer::script($js);
|
|
|
1736 |
}
|
|
|
1737 |
|
|
|
1738 |
$inyuijs = $this->get_javascript_code(false);
|
|
|
1739 |
$ondomreadyjs = $this->get_javascript_code(true);
|
|
|
1740 |
$jsinit = $this->get_javascript_init_code();
|
|
|
1741 |
$handlersjs = $this->get_event_handler_code();
|
|
|
1742 |
|
|
|
1743 |
// There is a global Y, make sure it is available in your scope.
|
|
|
1744 |
$js = "(function() {{$inyuijs}{$ondomreadyjs}{$jsinit}{$handlersjs}})();";
|
|
|
1745 |
|
|
|
1746 |
$output .= html_writer::script($js);
|
|
|
1747 |
|
|
|
1748 |
return $output;
|
|
|
1749 |
}
|
|
|
1750 |
|
|
|
1751 |
/**
|
|
|
1752 |
* Have we already output the code in the <head> tag?
|
|
|
1753 |
*
|
|
|
1754 |
* @return bool
|
|
|
1755 |
*/
|
|
|
1756 |
public function is_head_done() {
|
|
|
1757 |
return $this->headdone;
|
|
|
1758 |
}
|
|
|
1759 |
|
|
|
1760 |
/**
|
|
|
1761 |
* Have we already output the code at the start of the <body> tag?
|
|
|
1762 |
*
|
|
|
1763 |
* @return bool
|
|
|
1764 |
*/
|
|
|
1765 |
public function is_top_of_body_done() {
|
|
|
1766 |
return $this->topofbodydone;
|
|
|
1767 |
}
|
|
|
1768 |
|
|
|
1769 |
/**
|
|
|
1770 |
* Should we generate a bit of content HTML that is only required once on
|
|
|
1771 |
* this page (e.g. the contents of the modchooser), now? Basically, we call
|
|
|
1772 |
* {@link has_one_time_item_been_created()}, and if the thing has not already
|
|
|
1773 |
* been output, we return true to tell the caller to generate it, and also
|
|
|
1774 |
* call {@link set_one_time_item_created()} to record the fact that it is
|
|
|
1775 |
* about to be generated.
|
|
|
1776 |
*
|
|
|
1777 |
* That is, a typical usage pattern (in a renderer method) is:
|
|
|
1778 |
* <pre>
|
|
|
1779 |
* if (!$this->page->requires->should_create_one_time_item_now($thing)) {
|
|
|
1780 |
* return '';
|
|
|
1781 |
* }
|
|
|
1782 |
* // Else generate it.
|
|
|
1783 |
* </pre>
|
|
|
1784 |
*
|
|
|
1785 |
* @param string $thing identifier for the bit of content. Should be of the form
|
|
|
1786 |
* frankenstyle_things, e.g. core_course_modchooser.
|
|
|
1787 |
* @return bool if true, the caller should generate that bit of output now, otherwise don't.
|
|
|
1788 |
*/
|
|
|
1789 |
public function should_create_one_time_item_now($thing) {
|
|
|
1790 |
if ($this->has_one_time_item_been_created($thing)) {
|
|
|
1791 |
return false;
|
|
|
1792 |
}
|
|
|
1793 |
|
|
|
1794 |
$this->set_one_time_item_created($thing);
|
|
|
1795 |
return true;
|
|
|
1796 |
}
|
|
|
1797 |
|
|
|
1798 |
/**
|
|
|
1799 |
* Has a particular bit of HTML that is only required once on this page
|
|
|
1800 |
* (e.g. the contents of the modchooser) already been generated?
|
|
|
1801 |
*
|
|
|
1802 |
* Normally, you can use the {@link should_create_one_time_item_now()} helper
|
|
|
1803 |
* method rather than calling this method directly.
|
|
|
1804 |
*
|
|
|
1805 |
* @param string $thing identifier for the bit of content. Should be of the form
|
|
|
1806 |
* frankenstyle_things, e.g. core_course_modchooser.
|
|
|
1807 |
* @return bool whether that bit of output has been created.
|
|
|
1808 |
*/
|
|
|
1809 |
public function has_one_time_item_been_created($thing) {
|
|
|
1810 |
return isset($this->onetimeitemsoutput[$thing]);
|
|
|
1811 |
}
|
|
|
1812 |
|
|
|
1813 |
/**
|
|
|
1814 |
* Indicate that a particular bit of HTML that is only required once on this
|
|
|
1815 |
* page (e.g. the contents of the modchooser) has been generated (or is about to be)?
|
|
|
1816 |
*
|
|
|
1817 |
* Normally, you can use the {@link should_create_one_time_item_now()} helper
|
|
|
1818 |
* method rather than calling this method directly.
|
|
|
1819 |
*
|
|
|
1820 |
* @param string $thing identifier for the bit of content. Should be of the form
|
|
|
1821 |
* frankenstyle_things, e.g. core_course_modchooser.
|
|
|
1822 |
*/
|
|
|
1823 |
public function set_one_time_item_created($thing) {
|
|
|
1824 |
if ($this->has_one_time_item_been_created($thing)) {
|
|
|
1825 |
throw new coding_exception($thing . ' is only supposed to be ouput ' .
|
|
|
1826 |
'once per page, but it seems to be being output again.');
|
|
|
1827 |
}
|
|
|
1828 |
return $this->onetimeitemsoutput[$thing] = true;
|
|
|
1829 |
}
|
|
|
1830 |
}
|
|
|
1831 |
|
|
|
1832 |
/**
|
|
|
1833 |
* This class represents the YUI configuration.
|
|
|
1834 |
*
|
|
|
1835 |
* @copyright 2013 Andrew Nicols
|
|
|
1836 |
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
|
|
|
1837 |
* @since Moodle 2.5
|
|
|
1838 |
* @package core
|
|
|
1839 |
* @category output
|
|
|
1840 |
*/
|
|
|
1841 |
class YUI_config {
|
|
|
1842 |
/**
|
|
|
1843 |
* These settings must be public so that when the object is converted to json they are exposed.
|
|
|
1844 |
* Note: Some of these are camelCase because YUI uses camelCase variable names.
|
|
|
1845 |
*
|
|
|
1846 |
* The settings are described and documented in the YUI API at:
|
|
|
1847 |
* - http://yuilibrary.com/yui/docs/api/classes/config.html
|
|
|
1848 |
* - http://yuilibrary.com/yui/docs/api/classes/Loader.html
|
|
|
1849 |
*/
|
|
|
1850 |
public $debug = false;
|
|
|
1851 |
public $base;
|
|
|
1852 |
public $comboBase;
|
|
|
1853 |
public $combine;
|
|
|
1854 |
public $filter = null;
|
|
|
1855 |
public $insertBefore = 'firstthemesheet';
|
|
|
1856 |
public $groups = array();
|
|
|
1857 |
public $modules = array();
|
|
|
1858 |
/** @var array The log sources that should be not be logged. */
|
|
|
1859 |
public $logInclude = [];
|
|
|
1860 |
/** @var array Tog sources that should be logged. */
|
|
|
1861 |
public $logExclude = [];
|
|
|
1862 |
/** @var string The minimum log level for YUI logging statements. */
|
|
|
1863 |
public $logLevel;
|
|
|
1864 |
|
|
|
1865 |
/**
|
|
|
1866 |
* @var array List of functions used by the YUI Loader group pattern recognition.
|
|
|
1867 |
*/
|
|
|
1868 |
protected $jsconfigfunctions = array();
|
|
|
1869 |
|
|
|
1870 |
/**
|
|
|
1871 |
* Create a new group within the YUI_config system.
|
|
|
1872 |
*
|
|
|
1873 |
* @param string $name The name of the group. This must be unique and
|
|
|
1874 |
* not previously used.
|
|
|
1875 |
* @param array $config The configuration for this group.
|
|
|
1876 |
* @return void
|
|
|
1877 |
*/
|
|
|
1878 |
public function add_group($name, $config) {
|
|
|
1879 |
if (isset($this->groups[$name])) {
|
|
|
1880 |
throw new coding_exception("A YUI configuration group for '{$name}' already exists. To make changes to this group use YUI_config->update_group().");
|
|
|
1881 |
}
|
|
|
1882 |
$this->groups[$name] = $config;
|
|
|
1883 |
}
|
|
|
1884 |
|
|
|
1885 |
/**
|
|
|
1886 |
* Update an existing group configuration
|
|
|
1887 |
*
|
|
|
1888 |
* Note, any existing configuration for that group will be wiped out.
|
|
|
1889 |
* This includes module configuration.
|
|
|
1890 |
*
|
|
|
1891 |
* @param string $name The name of the group. This must be unique and
|
|
|
1892 |
* not previously used.
|
|
|
1893 |
* @param array $config The configuration for this group.
|
|
|
1894 |
* @return void
|
|
|
1895 |
*/
|
|
|
1896 |
public function update_group($name, $config) {
|
|
|
1897 |
if (!isset($this->groups[$name])) {
|
|
|
1898 |
throw new coding_exception('The Moodle YUI module does not exist. You must define the moodle module config using YUI_config->add_module_config first.');
|
|
|
1899 |
}
|
|
|
1900 |
$this->groups[$name] = $config;
|
|
|
1901 |
}
|
|
|
1902 |
|
|
|
1903 |
/**
|
|
|
1904 |
* Set the value of a configuration function used by the YUI Loader's pattern testing.
|
|
|
1905 |
*
|
|
|
1906 |
* Only the body of the function should be passed, and not the whole function wrapper.
|
|
|
1907 |
*
|
|
|
1908 |
* The JS function your write will be passed a single argument 'name' containing the
|
|
|
1909 |
* name of the module being loaded.
|
|
|
1910 |
*
|
|
|
1911 |
* @param $function String the body of the JavaScript function. This should be used i
|
|
|
1912 |
* @return string the name of the function to use in the group pattern configuration.
|
|
|
1913 |
*/
|
|
|
1914 |
public function set_config_function($function) {
|
|
|
1915 |
$configname = 'yui' . (count($this->jsconfigfunctions) + 1) . 'ConfigFn';
|
|
|
1916 |
if (isset($this->jsconfigfunctions[$configname])) {
|
|
|
1917 |
throw new coding_exception("A YUI config function with this name already exists. Config function names must be unique.");
|
|
|
1918 |
}
|
|
|
1919 |
$this->jsconfigfunctions[$configname] = $function;
|
|
|
1920 |
return '@' . $configname . '@';
|
|
|
1921 |
}
|
|
|
1922 |
|
|
|
1923 |
/**
|
|
|
1924 |
* Allow setting of the config function described in {@see set_config_function} from a file.
|
|
|
1925 |
* The contents of this file are then passed to set_config_function.
|
|
|
1926 |
*
|
|
|
1927 |
* When jsrev is positive, the function is minified and stored in a MUC cache for subsequent uses.
|
|
|
1928 |
*
|
|
|
1929 |
* @param $file The path to the JavaScript function used for YUI configuration.
|
|
|
1930 |
* @return string the name of the function to use in the group pattern configuration.
|
|
|
1931 |
*/
|
|
|
1932 |
public function set_config_source($file) {
|
|
|
1933 |
global $CFG;
|
|
|
1934 |
$cache = cache::make('core', 'yuimodules');
|
|
|
1935 |
|
|
|
1936 |
// Attempt to get the metadata from the cache.
|
|
|
1937 |
$keyname = 'configfn_' . $file;
|
|
|
1938 |
$fullpath = $CFG->dirroot . '/' . $file;
|
|
|
1939 |
if (!isset($CFG->jsrev) || $CFG->jsrev == -1) {
|
|
|
1940 |
$cache->delete($keyname);
|
|
|
1941 |
$configfn = file_get_contents($fullpath);
|
|
|
1942 |
} else {
|
|
|
1943 |
$configfn = $cache->get($keyname);
|
|
|
1944 |
if ($configfn === false) {
|
|
|
1945 |
require_once($CFG->libdir . '/jslib.php');
|
|
|
1946 |
$configfn = core_minify::js_files(array($fullpath));
|
|
|
1947 |
$cache->set($keyname, $configfn);
|
|
|
1948 |
}
|
|
|
1949 |
}
|
|
|
1950 |
return $this->set_config_function($configfn);
|
|
|
1951 |
}
|
|
|
1952 |
|
|
|
1953 |
/**
|
|
|
1954 |
* Retrieve the list of JavaScript functions for YUI_config groups.
|
|
|
1955 |
*
|
|
|
1956 |
* @return string The complete set of config functions
|
|
|
1957 |
*/
|
|
|
1958 |
public function get_config_functions() {
|
|
|
1959 |
$configfunctions = '';
|
|
|
1960 |
foreach ($this->jsconfigfunctions as $functionname => $function) {
|
|
|
1961 |
$configfunctions .= "var {$functionname} = function(me) {";
|
|
|
1962 |
$configfunctions .= $function;
|
|
|
1963 |
$configfunctions .= "};\n";
|
|
|
1964 |
}
|
|
|
1965 |
return $configfunctions;
|
|
|
1966 |
}
|
|
|
1967 |
|
|
|
1968 |
/**
|
|
|
1969 |
* Update the header JavaScript with any required modification for the YUI Loader.
|
|
|
1970 |
*
|
|
|
1971 |
* @param $js String The JavaScript to manipulate.
|
|
|
1972 |
* @return string the modified JS string.
|
|
|
1973 |
*/
|
|
|
1974 |
public function update_header_js($js) {
|
|
|
1975 |
// Update the names of the the configFn variables.
|
|
|
1976 |
// The PHP json_encode function cannot handle literal names so we have to wrap
|
|
|
1977 |
// them in @ and then replace them with literals of the same function name.
|
|
|
1978 |
foreach ($this->jsconfigfunctions as $functionname => $function) {
|
|
|
1979 |
$js = str_replace('"@' . $functionname . '@"', $functionname, $js);
|
|
|
1980 |
}
|
|
|
1981 |
return $js;
|
|
|
1982 |
}
|
|
|
1983 |
|
|
|
1984 |
/**
|
|
|
1985 |
* Add configuration for a specific module.
|
|
|
1986 |
*
|
|
|
1987 |
* @param string $name The name of the module to add configuration for.
|
|
|
1988 |
* @param array $config The configuration for the specified module.
|
|
|
1989 |
* @param string $group The name of the group to add configuration for.
|
|
|
1990 |
* If not specified, then this module is added to the global
|
|
|
1991 |
* configuration.
|
|
|
1992 |
* @return void
|
|
|
1993 |
*/
|
|
|
1994 |
public function add_module_config($name, $config, $group = null) {
|
|
|
1995 |
if ($group) {
|
|
|
1996 |
if (!isset($this->groups[$name])) {
|
|
|
1997 |
throw new coding_exception('The Moodle YUI module does not exist. You must define the moodle module config using YUI_config->add_module_config first.');
|
|
|
1998 |
}
|
|
|
1999 |
if (!isset($this->groups[$group]['modules'])) {
|
|
|
2000 |
$this->groups[$group]['modules'] = array();
|
|
|
2001 |
}
|
|
|
2002 |
$modules = &$this->groups[$group]['modules'];
|
|
|
2003 |
} else {
|
|
|
2004 |
$modules = &$this->modules;
|
|
|
2005 |
}
|
|
|
2006 |
$modules[$name] = $config;
|
|
|
2007 |
}
|
|
|
2008 |
|
|
|
2009 |
/**
|
|
|
2010 |
* Add the moodle YUI module metadata for the moodle group to the YUI_config instance.
|
|
|
2011 |
*
|
|
|
2012 |
* If js caching is disabled, metadata will not be served causing YUI to calculate
|
|
|
2013 |
* module dependencies as each module is loaded.
|
|
|
2014 |
*
|
|
|
2015 |
* If metadata does not exist it will be created and stored in a MUC entry.
|
|
|
2016 |
*
|
|
|
2017 |
* @return void
|
|
|
2018 |
*/
|
|
|
2019 |
public function add_moodle_metadata() {
|
|
|
2020 |
global $CFG;
|
|
|
2021 |
if (!isset($this->groups['moodle'])) {
|
|
|
2022 |
throw new coding_exception('The Moodle YUI module does not exist. You must define the moodle module config using YUI_config->add_module_config first.');
|
|
|
2023 |
}
|
|
|
2024 |
|
|
|
2025 |
if (!isset($this->groups['moodle']['modules'])) {
|
|
|
2026 |
$this->groups['moodle']['modules'] = array();
|
|
|
2027 |
}
|
|
|
2028 |
|
|
|
2029 |
$cache = cache::make('core', 'yuimodules');
|
|
|
2030 |
if (!isset($CFG->jsrev) || $CFG->jsrev == -1) {
|
|
|
2031 |
$metadata = array();
|
|
|
2032 |
$metadata = $this->get_moodle_metadata();
|
|
|
2033 |
$cache->delete('metadata');
|
|
|
2034 |
} else {
|
|
|
2035 |
// Attempt to get the metadata from the cache.
|
|
|
2036 |
if (!$metadata = $cache->get('metadata')) {
|
|
|
2037 |
$metadata = $this->get_moodle_metadata();
|
|
|
2038 |
$cache->set('metadata', $metadata);
|
|
|
2039 |
}
|
|
|
2040 |
}
|
|
|
2041 |
|
|
|
2042 |
// Merge with any metadata added specific to this page which was added manually.
|
|
|
2043 |
$this->groups['moodle']['modules'] = array_merge($this->groups['moodle']['modules'],
|
|
|
2044 |
$metadata);
|
|
|
2045 |
}
|
|
|
2046 |
|
|
|
2047 |
/**
|
|
|
2048 |
* Determine the module metadata for all moodle YUI modules.
|
|
|
2049 |
*
|
|
|
2050 |
* This works through all modules capable of serving YUI modules, and attempts to get
|
|
|
2051 |
* metadata for each of those modules.
|
|
|
2052 |
*
|
|
|
2053 |
* @return array of module metadata
|
|
|
2054 |
*/
|
|
|
2055 |
private function get_moodle_metadata() {
|
|
|
2056 |
$moodlemodules = array();
|
|
|
2057 |
// Core isn't a plugin type or subsystem - handle it seperately.
|
|
|
2058 |
if ($module = $this->get_moodle_path_metadata(core_component::get_component_directory('core'))) {
|
|
|
2059 |
$moodlemodules = array_merge($moodlemodules, $module);
|
|
|
2060 |
}
|
|
|
2061 |
|
|
|
2062 |
// Handle other core subsystems.
|
|
|
2063 |
$subsystems = core_component::get_core_subsystems();
|
|
|
2064 |
foreach ($subsystems as $subsystem => $path) {
|
|
|
2065 |
if (is_null($path)) {
|
|
|
2066 |
continue;
|
|
|
2067 |
}
|
|
|
2068 |
if ($module = $this->get_moodle_path_metadata($path)) {
|
|
|
2069 |
$moodlemodules = array_merge($moodlemodules, $module);
|
|
|
2070 |
}
|
|
|
2071 |
}
|
|
|
2072 |
|
|
|
2073 |
// And finally the plugins.
|
|
|
2074 |
$plugintypes = core_component::get_plugin_types();
|
|
|
2075 |
foreach ($plugintypes as $plugintype => $pathroot) {
|
|
|
2076 |
$pluginlist = core_component::get_plugin_list($plugintype);
|
|
|
2077 |
foreach ($pluginlist as $plugin => $path) {
|
|
|
2078 |
if ($module = $this->get_moodle_path_metadata($path)) {
|
|
|
2079 |
$moodlemodules = array_merge($moodlemodules, $module);
|
|
|
2080 |
}
|
|
|
2081 |
}
|
|
|
2082 |
}
|
|
|
2083 |
|
|
|
2084 |
return $moodlemodules;
|
|
|
2085 |
}
|
|
|
2086 |
|
|
|
2087 |
/**
|
|
|
2088 |
* Helper function process and return the YUI metadata for all of the modules under the specified path.
|
|
|
2089 |
*
|
|
|
2090 |
* @param string $path the UNC path to the YUI src directory.
|
|
|
2091 |
* @return array the complete array for frankenstyle directory.
|
|
|
2092 |
*/
|
|
|
2093 |
private function get_moodle_path_metadata($path) {
|
|
|
2094 |
// Add module metadata is stored in frankenstyle_modname/yui/src/yui_modname/meta/yui_modname.json.
|
|
|
2095 |
$baseyui = $path . '/yui/src';
|
|
|
2096 |
$modules = array();
|
|
|
2097 |
if (is_dir($baseyui)) {
|
|
|
2098 |
$items = new DirectoryIterator($baseyui);
|
|
|
2099 |
foreach ($items as $item) {
|
|
|
2100 |
if ($item->isDot() or !$item->isDir()) {
|
|
|
2101 |
continue;
|
|
|
2102 |
}
|
|
|
2103 |
$metafile = realpath($baseyui . '/' . $item . '/meta/' . $item . '.json');
|
|
|
2104 |
if (!is_readable($metafile)) {
|
|
|
2105 |
continue;
|
|
|
2106 |
}
|
|
|
2107 |
$metadata = file_get_contents($metafile);
|
|
|
2108 |
$modules = array_merge($modules, (array) json_decode($metadata));
|
|
|
2109 |
}
|
|
|
2110 |
}
|
|
|
2111 |
return $modules;
|
|
|
2112 |
}
|
|
|
2113 |
|
|
|
2114 |
/**
|
|
|
2115 |
* Define YUI modules which we have been required to patch between releases.
|
|
|
2116 |
*
|
|
|
2117 |
* We must do this because we aggressively cache content on the browser, and we must also override use of the
|
|
|
2118 |
* external CDN which will serve the true authoritative copy of the code without our patches.
|
|
|
2119 |
*
|
|
|
2120 |
* @param string $combobase The local combobase
|
|
|
2121 |
* @param string $yuiversion The current YUI version
|
|
|
2122 |
* @param int $patchlevel The patch level we're working to for YUI
|
|
|
2123 |
* @param array $patchedmodules An array containing the names of the patched modules
|
|
|
2124 |
* @return void
|
|
|
2125 |
*/
|
|
|
2126 |
public function define_patched_core_modules($combobase, $yuiversion, $patchlevel, $patchedmodules) {
|
|
|
2127 |
// The version we use is suffixed with a patchlevel so that we can get additional revisions between YUI releases.
|
|
|
2128 |
$subversion = $yuiversion . '_' . $patchlevel;
|
|
|
2129 |
|
|
|
2130 |
if ($this->comboBase == $combobase) {
|
|
|
2131 |
// If we are using the local combobase in the loader, we can add a group and still make use of the combo
|
|
|
2132 |
// loader. We just need to specify a different root which includes a slightly different YUI version number
|
|
|
2133 |
// to include our patchlevel.
|
|
|
2134 |
$patterns = array();
|
|
|
2135 |
$modules = array();
|
|
|
2136 |
foreach ($patchedmodules as $modulename) {
|
|
|
2137 |
// We must define the pattern and module here so that the loader uses our group configuration instead of
|
|
|
2138 |
// the standard module definition. We may lose some metadata provided by upstream but this will be
|
|
|
2139 |
// loaded when the module is loaded anyway.
|
|
|
2140 |
$patterns[$modulename] = array(
|
|
|
2141 |
'group' => 'yui-patched',
|
|
|
2142 |
);
|
|
|
2143 |
$modules[$modulename] = array();
|
|
|
2144 |
}
|
|
|
2145 |
|
|
|
2146 |
// Actually add the patch group here.
|
|
|
2147 |
$this->add_group('yui-patched', array(
|
|
|
2148 |
'combine' => true,
|
|
|
2149 |
'root' => $subversion . '/',
|
|
|
2150 |
'patterns' => $patterns,
|
|
|
2151 |
'modules' => $modules,
|
|
|
2152 |
));
|
|
|
2153 |
|
|
|
2154 |
} else {
|
|
|
2155 |
// The CDN is in use - we need to instead use the local combobase for this module and override the modules
|
|
|
2156 |
// definition. We cannot use the local base - we must use the combobase because we cannot invalidate the
|
|
|
2157 |
// local base in browser caches.
|
|
|
2158 |
$fullpathbase = $combobase . $subversion . '/';
|
|
|
2159 |
foreach ($patchedmodules as $modulename) {
|
|
|
2160 |
$this->modules[$modulename] = array(
|
|
|
2161 |
'fullpath' => $fullpathbase . $modulename . '/' . $modulename . '-min.js'
|
|
|
2162 |
);
|
|
|
2163 |
}
|
|
|
2164 |
}
|
|
|
2165 |
}
|
|
|
2166 |
}
|
|
|
2167 |
|
|
|
2168 |
/**
|
|
|
2169 |
* Invalidate all server and client side template caches.
|
|
|
2170 |
*/
|
|
|
2171 |
function template_reset_all_caches() {
|
|
|
2172 |
global $CFG;
|
|
|
2173 |
|
|
|
2174 |
$next = time();
|
|
|
2175 |
if (isset($CFG->templaterev) and $next <= $CFG->templaterev and $CFG->templaterev - $next < 60 * 60) {
|
|
|
2176 |
// This resolves problems when reset is requested repeatedly within 1s,
|
|
|
2177 |
// the < 1h condition prevents accidental switching to future dates
|
|
|
2178 |
// because we might not recover from it.
|
|
|
2179 |
$next = $CFG->templaterev + 1;
|
|
|
2180 |
}
|
|
|
2181 |
|
|
|
2182 |
set_config('templaterev', $next);
|
|
|
2183 |
}
|
|
|
2184 |
|
|
|
2185 |
/**
|
|
|
2186 |
* Invalidate all server and client side JS caches.
|
|
|
2187 |
*/
|
|
|
2188 |
function js_reset_all_caches() {
|
|
|
2189 |
global $CFG;
|
|
|
2190 |
|
|
|
2191 |
$next = time();
|
|
|
2192 |
if (isset($CFG->jsrev) and $next <= $CFG->jsrev and $CFG->jsrev - $next < 60*60) {
|
|
|
2193 |
// This resolves problems when reset is requested repeatedly within 1s,
|
|
|
2194 |
// the < 1h condition prevents accidental switching to future dates
|
|
|
2195 |
// because we might not recover from it.
|
|
|
2196 |
$next = $CFG->jsrev+1;
|
|
|
2197 |
}
|
|
|
2198 |
|
|
|
2199 |
set_config('jsrev', $next);
|
|
|
2200 |
}
|