<?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 {


<     public function edit_button(moodle_url $url) {



>     /**
>      * 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, 'post', ['class' => 'btn btn-primary']);



>         $button = new \single_button($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);
>                         $contacttitle = $iscontact ? 'removefromyourcontacts' : 'addtoyourcontacts';
>                         $contacturlaction = $iscontact ? 'removecontact' : 'addcontact';
>                         $contactimage = $iscontact ? 'removecontact' : 'addcontact';
>                         $userbuttons['togglecontact'] = array(
>                                 'buttontype' => 'togglecontact',
>                                 'title' => get_string($contacttitle, 'message'),
>                                 'url' => new moodle_url('/message/index.php', array(
>                                         'user1' => $USER->id,
>                                         'user2' => $user->id,
>                                         $contacturlaction => $user->id,
>                                         'sesskey' => sesskey())
>                                 ),
>                                 'image' => $contactimage,
>                                 'linkattributes' => \core_message\helper::togglecontact_link_params($user, $iscontact),
>                                 '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';
>                 $purposeclass .= ' modicon_' . $this->page->activityname;
>                 $imagedata = html_writer::tag('div', $imagedata, ['class' => $purposeclass]);
>                 if (!empty($USER->editing)) {
>                     $prefix = get_string('modulename', $this->page->activityname);
>                 }
>             }
>         }
> 
>         $contextheader = new \context_header($heading, $headinglevel, $imagedata, $userbuttons, $prefix);
>         return $this->render_context_header($contextheader);
>     }
> 
>      /**
>       * Renders the header bar.
>       *
>       * @param context_header $contextheader Header bar object.
>       * @return string HTML for the header bar.
>       */
>     protected function render_context_header(\context_header $contextheader) {
> 
>         // Generate the heading first and before everything else as we might have to do an early return.
>         if (!isset($contextheader->heading)) {
>             $heading = $this->heading($this->page->heading, $contextheader->headinglevel, 'h2');
>         } else {
>             $heading = $this->heading($contextheader->heading, $contextheader->headinglevel, 'h2');
>         }
> 
>         // All the html stuff goes here.
>         $html = html_writer::start_div('page-context-header');
> 
>         // Image data.
>         if (isset($contextheader->imagedata)) {
>             // Header specific image.
>             $html .= html_writer::div($contextheader->imagedata, 'page-header-image mr-2');
>         }
> 
>         // Headings.
>         if (isset($contextheader->prefix)) {
>             $prefix = html_writer::div($contextheader->prefix, 'text-muted text-uppercase small line-height-3');
>             $heading = $prefix . $heading;
>         }
>         $html .= html_writer::tag('div', $heading, array('class' => 'page-header-headings'));
> 
>         // Buttons.
>         if (isset($contextheader->additionalbuttons)) {
>             $html .= html_writer::start_div('btn-group header-button-group');
>             foreach ($contextheader->additionalbuttons as $button) {
>                 if (!isset($button->page)) {
>                     // Include js for messaging.
>                     if ($button['buttontype'] === 'togglecontact') {
>                         \core_message\helper::togglecontact_requirejs();
>                     }
>                     if ($button['buttontype'] === 'message') {
>                         \core_message\helper::messageuser_requirejs();
>                     }
>                     $image = $this->pix_icon($button['formattedimage'], $button['title'], 'moodle', array(
>                         'class' => 'iconsmall',
>                         'role' => 'presentation'
>                     ));
>                     $image .= html_writer::span($button['title'], 'header-button-title');
>                 } else {
>                     $image = html_writer::empty_tag('img', array(
>                         'src' => $button['formattedimage'],
>                         'role' => 'presentation'
>                     ));
>                 }
>                 $html .= html_writer::link($button['url'], html_writer::tag('span', $image), $button['linkattributes']);
>             }
>             $html .= html_writer::end_div();
>         }
>         $html .= html_writer::end_div();
> 
>         return $html;
>     }
> 
>     /**
>      * 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;
>     }