Proyectos de Subversion Moodle

<?php

// This file is part of Moodle - http://moodle.org/

//

// Moodle is free software: you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 3 of the License, or

// (at your option) any later version.

//

// Moodle is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

//

// You should have received a copy of the GNU General Public License

// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

namespace theme_boost\output;

use moodle_url;

use html_writer;

use get_string;

defined('MOODLE_INTERNAL') || die;

/**

 * Renderers to align Moodle's HTML with that expected by Bootstrap

 *

 * @package    theme_boost

 * @copyright  2012 Bas Brands, www.basbrands.nl

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

class core_renderer extends \core_renderer {

    /**

     * Returns HTML to display a "Turn editing on/off" button in a form.

     *

     * @param moodle_url $url The URL + params to send through when clicking the button

     * @param string $method

     * @return string HTML the button

     */

    public function edit_button(moodle_url $url, string $method = 'post') {

        if ($this->page->theme->haseditswitch) {

            return;

        }

        $url->param('sesskey', sesskey());

        if ($this->page->user_is_editing()) {

            $url->param('edit', 'off');

            $editstring = get_string('turneditingoff');

        } else {

            $url->param('edit', 'on');

            $editstring = get_string('turneditingon');

        }

        $button = new \single_button($url, $editstring, $method, \single_button::BUTTON_PRIMARY);

        return $this->render_single_button($button);

    }

    /**

     * Renders the "breadcrumb" for all pages in boost.

     *

     * @return string the HTML for the navbar.

     */

    public function navbar(): string {

        $newnav = new \theme_boost\boostnavbar($this->page);

        return $this->render_from_template('core/navbar', $newnav);

    }

    /**

     * Renders the context header for the page.

     *

     * @param array $headerinfo Heading information.

     * @param int $headinglevel What 'h' level to make the heading.

     * @return string A rendered context header.

     */

    public function context_header($headerinfo = null, $headinglevel = 1): string {

        global $DB, $USER, $CFG;

        require_once($CFG->dirroot . '/user/lib.php');

        $context = $this->page->context;

        $heading = null;

        $imagedata = null;

        $userbuttons = null;

        // Make sure to use the heading if it has been set.

        if (isset($headerinfo['heading'])) {

            $heading = $headerinfo['heading'];

        } else {

            $heading = $this->page->heading;

        }

        // The user context currently has images and buttons. Other contexts may follow.

        if ((isset($headerinfo['user']) || $context->contextlevel == CONTEXT_USER) && $this->page->pagetype !== 'my-index') {

            if (isset($headerinfo['user'])) {

                $user = $headerinfo['user'];

            } else {

                // Look up the user information if it is not supplied.

                $user = $DB->get_record('user', array('id' => $context->instanceid));

            }

            // If the user context is set, then use that for capability checks.

            if (isset($headerinfo['usercontext'])) {

                $context = $headerinfo['usercontext'];

            }

            // Only provide user information if the user is the current user, or a user which the current user can view.

            // When checking user_can_view_profile(), either:

            // If the page context is course, check the course context (from the page object) or;

            // If page context is NOT course, then check across all courses.

            $course = ($this->page->context->contextlevel == CONTEXT_COURSE) ? $this->page->course : null;

            if (user_can_view_profile($user, $course)) {

                // Use the user's full name if the heading isn't set.

                if (empty($heading)) {

                    $heading = fullname($user);

                }

                $imagedata = $this->user_picture($user, array('size' => 100));

                // Check to see if we should be displaying a message button.

                if (!empty($CFG->messaging) && has_capability('moodle/site:sendmessage', $context)) {

                    $userbuttons = array(

                        'messages' => array(

                            'buttontype' => 'message',

                            'title' => get_string('message', 'message'),

                            'url' => new moodle_url('/message/index.php', array('id' => $user->id)),

                            'image' => 'message',

                            'linkattributes' => \core_message\helper::messageuser_link_params($user->id),

                            'page' => $this->page

                        )

                    );

                    if ($USER->id != $user->id) {

                        $iscontact = \core_message\api::is_contact($USER->id, $user->id);

                        $isrequested = \core_message\api::get_contact_requests_between_users($USER->id, $user->id);

                        $contacturlaction = '';

                        $linkattributes = \core_message\helper::togglecontact_link_params(

                            $user,

                            $iscontact,

                            true,

                            !empty($isrequested),

                        );

                        // If the user is not a contact.

                        if (!$iscontact) {

                            if ($isrequested) {

                                // We just need the first request.

                                $requests = array_shift($isrequested);

                                if ($requests->userid == $USER->id) {

                                    // If the user has requested to be a contact.

                                    $contacttitle = 'contactrequestsent';

                                } else {

                                    // If the user has been requested to be a contact.

                                    $contacttitle = 'waitingforcontactaccept';

                                }

                                $linkattributes = array_merge($linkattributes, [

                                    'class' => 'disabled',

                                    'tabindex' => '-1',

                                ]);

                            } else {

                                // If the user is not a contact and has not requested to be a contact.

                                $contacttitle = 'addtoyourcontacts';

                                $contacturlaction = 'addcontact';

                            }

                            $contactimage = 'addcontact';

                        } else {

                            // If the user is a contact.

                            $contacttitle = 'removefromyourcontacts';

                            $contacturlaction = 'removecontact';

                            $contactimage = 'removecontact';

                        }

                        $userbuttons['togglecontact'] = array(

                                'buttontype' => 'togglecontact',

                                'title' => get_string($contacttitle, 'message'),

                                'url' => new moodle_url('/message/index.php', array(

                                        'user1' => $USER->id,

                                        'user2' => $user->id,

                                        $contacturlaction => $user->id,

                                        'sesskey' => sesskey())

                                ),

                                'image' => $contactimage,

                                'linkattributes' => $linkattributes,

                                'page' => $this->page

                            );

                    }

                    $this->page->requires->string_for_js('changesmadereallygoaway', 'moodle');

                }

            } else {

                $heading = null;

            }

        }

        $prefix = null;

        if ($context->contextlevel == CONTEXT_MODULE) {

            if ($this->page->course->format === 'singleactivity') {

                $heading = format_string($this->page->course->fullname, true, ['context' => $context]);

            } else {

                $heading = $this->page->cm->get_formatted_name();

                $iconurl = $this->page->cm->get_icon_url();

                $iconclass = $iconurl->get_param('filtericon') ? '' : 'nofilter';

                $iconattrs = [

                    'class' => "icon activityicon $iconclass",

                    'aria-hidden' => 'true'

                ];

                $imagedata = html_writer::img($iconurl->out(false), '', $iconattrs);

                $purposeclass = plugin_supports('mod', $this->page->activityname, FEATURE_MOD_PURPOSE);

                $purposeclass .= ' activityiconcontainer icon-size-6';

                $purposeclass .= ' modicon_' . $this->page->activityname;

                $isbranded = component_callback('mod_' . $this->page->activityname, 'is_branded', [], false);

                $imagedata = html_writer::tag('div', $imagedata, ['class' => $purposeclass . ($isbranded ? ' isbranded' : '')]);

                if (!empty($USER->editing)) {

                    $prefix = get_string('modulename', $this->page->activityname);

                }

            }

        }

        // Return the heading wrapped in an sr-only element so it is only visible to screen-readers.

        if (!empty($this->page->layout_options['nocontextheader'])) {

            return html_writer::div($heading, 'sr-only');

        }

        $contextheader = new \context_header($heading, $headinglevel, $imagedata, $userbuttons, $prefix);

        return $this->render($contextheader);

    }

    /**

     * See if this is the first view of the current cm in the session if it has fake blocks.

     *

     * (We track up to 100 cms so as not to overflow the session.)

     * This is done for drawer regions containing fake blocks so we can show blocks automatically.

     *

     * @return boolean true if the page has fakeblocks and this is the first visit.

     */

    public function firstview_fakeblocks(): bool {

        global $SESSION;

        $firstview = false;

        if ($this->page->cm) {

            if (!$this->page->blocks->region_has_fakeblocks('side-pre')) {

                return false;

            }

            if (!property_exists($SESSION, 'firstview_fakeblocks')) {

                $SESSION->firstview_fakeblocks = [];

            }

            if (array_key_exists($this->page->cm->id, $SESSION->firstview_fakeblocks)) {

                $firstview = false;

            } else {

                $SESSION->firstview_fakeblocks[$this->page->cm->id] = true;

                $firstview = true;

                if (count($SESSION->firstview_fakeblocks) > 100) {

                    array_shift($SESSION->firstview_fakeblocks);

                }

            }

        }

        return $firstview;

    }

}