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renderer.php
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<?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/>.
/**
* Grid Format - A topics based format that uses a grid of user selectable images to popup a light box of the section.
*
* @package course/format
* @subpackage grid
* @version See the value of '$plugin->version' in version.php.
* @copyright © 2012 G J Barnard in respect to modifications of standard topics format.
* @author G J Barnard - {@link http://about.me/gjbarnard} and
* {@link http://moodle.org/user/profile.php?id=442195}
* @author Based on code originally written by Paul Krix and Julian Ridden.
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
require_once($CFG->dirroot . '/course/format/renderer.php');
require_once($CFG->dirroot . '/course/format/grid/lib.php');
class format_grid_renderer extends format_section_renderer_base {
protected $section0attop; // Boolean to state if section zero is at the top (true) or in the grid (false).
protected $courseformat; // Our course format object as defined in lib.php.
private $settings; // Settings array.
private $shadeboxshownarray = array(); // Value of 1 = not shown, value of 2 = shown - to reduce ambiguity in JS.
private $portable = 0; // 1 = mobile, 2 = tablet.
/**
* Constructor method, calls the parent constructor - MDL-21097
*
* @param moodle_page $page
* @param string $target one of rendering target constants
*/
public function __construct(moodle_page $page, $target) {
parent::__construct($page, $target);
$this->courseformat = course_get_format($page->course);
$this->settings = $this->courseformat->get_settings();
$this->section0attop = $this->courseformat->is_section0_attop();
/* Since format_grid_renderer::section_edit_controls() only displays the 'Set current section' control when editing
mode is on we need to be sure that the link 'Turn editing mode on' is available for a user who does not have any
other managing capability. */
$page->set_other_editing_capability('moodle/course:setcurrentsection');
}
/**
* Generate the starting container html for a list of sections
* @return string HTML to output.
*/
protected function start_section_list() {
return html_writer::start_tag('ul', array('class' => 'gtopics', 'id' => 'gtopics'));
}
/**
* Generate the closing container html for a list of sections
* @return string HTML to output.
*/
protected function end_section_list() {
return html_writer::end_tag('ul');
}
/**
* Generate the title for this section page
* @return string the page title
*/
protected function page_title() {
return get_string('sectionname', 'format_grid');
}
/**
* Generate the section title, wraps it in a link to the section page if page is to be displayed on a separate page
*
* @param stdClass $section The course_section entry from DB
* @param stdClass $course The course entry from DB
* @return string HTML to output.
*/
public function section_title($section, $course) {
return $this->render($this->courseformat->inplace_editable_render_section_name($section));
}
/**
* Generate the section title to be displayed on the section page, without a link
*
* @param stdClass $section The course_section entry from DB
* @param stdClass $course The course entry from DB
* @return string HTML to output.
*/
public function section_title_without_link($section, $course) {
return $this->render($this->courseformat->inplace_editable_render_section_name($section, false));
}
/**
* Generate next/previous section links for naviation
*
* @param stdClass $course The course entry from DB
* @param array $sections The course_sections entries from the DB
* @param int $sectionno The section number in the coruse which is being dsiplayed
* @return array associative array with previous and next section link
*/
protected function get_nav_links($course, $sections, $sectionno) {
// FIXME: This is really evil and should by using the navigation API.
$course = course_get_format($course)->get_course();
$canviewhidden = has_capability('moodle/course:viewhiddensections', context_course::instance($course->id))
or !$course->hiddensections;
$links = array('previous' => '', 'next' => '');
$back = $sectionno - 1;
if (!$this->section0attop) {
$buffer = -1;
} else if ($this->settings['setsection0ownpagenogridonesection'] == 2) {
$buffer = -1;
} else {
$buffer = 0;
}
while ($back > $buffer and empty($links['previous'])) {
if ($canviewhidden || $sections[$back]->uservisible) {
$params = array();
if (!$sections[$back]->visible) {
$params = array('class' => 'dimmed_text');
}
$previouslink = html_writer::tag('span', $this->output->larrow(), array('class' => 'larrow'));
$previouslink .= get_section_name($course, $sections[$back]);
$links['previous'] = html_writer::link(course_get_url($course, $back), $previouslink, $params);
}
$back--;
}
$coursenumsections = $this->courseformat->get_last_section_number();
$forward = $sectionno + 1;
while ($forward <= $coursenumsections and empty($links['next'])) {
if ($canviewhidden || $sections[$forward]->uservisible) {
$params = array();
if (!$sections[$forward]->visible) {
$params = array('class' => 'dimmed_text');
}
$nextlink = get_section_name($course, $sections[$forward]);
$nextlink .= html_writer::tag('span', $this->output->rarrow(), array('class' => 'rarrow'));
$links['next'] = html_writer::link(course_get_url($course, $forward), $nextlink, $params);
}
$forward++;
}
return $links;
}
/**
* Generate the html for the 'Jump to' menu on a single section page.
*
* @param stdClass $course The course entry from DB
* @param array $sections The course_sections entries from the DB
* @param $displaysection the current displayed section number.
*
* @return string HTML to output.
*/
protected function section_nav_selection($course, $sections, $displaysection) {
$o = '';
$sectionmenu = array();
$sectionmenu[course_get_url($course)->out(false)] = get_string('maincoursepage');
$modinfo = get_fast_modinfo($course);
$section = 1;
if (!$this->section0attop) {
$section = 0;
} else if ($this->settings['setsection0ownpagenogridonesection'] == 2) {
$section = 0;
} else {
$section = 1;
}
$coursenumsections = $this->courseformat->get_last_section_number();
while ($section <= $coursenumsections) {
$thissection = $modinfo->get_section_info($section);
$showsection = $thissection->uservisible or !$course->hiddensections;
if (($showsection) && ($section != $displaysection) && ($url = course_get_url($course, $section))) {
$sectionmenu[$url->out(false)] = get_section_name($course, $section);
}
$section++;
}
$select = new url_select($sectionmenu, '', array('' => get_string('jumpto')));
$select->class = 'jumpmenu';
$select->formid = 'sectionmenu';
$o .= $this->output->render($select);
return $o;
}
/**
* Generate the display of the header part of a section before
* course modules are included for when section 0 is in the grid
* and a single section page.
*
* @param stdClass $section The course_section entry from DB
* @param stdClass $course The course entry from DB
* @return string HTML to output.
*/
protected function section_header_onsectionpage_topic0notattop($section, $course) {
$o = '';
$sectionstyle = '';
if ($section->section != 0) {
// Only in the non-general sections.
if (!$section->visible) {
$sectionstyle = ' hidden';
} else if (course_get_format($course)->is_section_current($section)) {
$sectionstyle = ' current';
}
}
$o .= html_writer::start_tag('li', array('id' => 'section-'.$section->section,
'class' => 'section main clearfix'.$sectionstyle, 'role' => 'region',
'aria-label' => get_section_name($course, $section)));
// Create a span that contains the section title to be used to create the keyboard section move menu.
$o .= html_writer::tag('span', get_section_name($course, $section), array('class' => 'hidden sectionname'));
$leftcontent = $this->section_left_content($section, $course, true);
$o .= html_writer::tag('div', $leftcontent, array('class' => 'left side'));
$rightcontent = $this->section_right_content($section, $course, true);
$o .= html_writer::tag('div', $rightcontent, array('class' => 'right side'));
$o .= html_writer::start_tag('div', array('class' => 'content'));
$sectionname = html_writer::tag('span', $this->section_title($section, $course));
$o .= $this->output->heading($sectionname, 3, 'sectionname accesshide');
$o .= html_writer::start_tag('div', array('class' => 'summary'));
$o .= $this->format_summary_text($section);
$o .= html_writer::end_tag('div');
$o .= $this->section_availability($section);
return $o;
}
/**
* Output the html for a single section page .
*
* @param stdClass $course The course entry from DB
* @param array $sections (argument not used)
* @param array $mods (argument not used)
* @param array $modnames (argument not used)
* @param array $modnamesused (argument not used)
* @param int $displaysection The section number in the course which is being displayed
*/
public function print_single_section_page($course, $sections, $mods, $modnames, $modnamesused, $displaysection) {
if (($this->section0attop) && ($this->settings['setsection0ownpagenogridonesection'] == 1)) {
return parent::print_single_section_page($course, $sections, $mods, $modnames, $modnamesused, $displaysection);
} else {
$modinfo = get_fast_modinfo($course);
$course = course_get_format($course)->get_course();
// Can we view the section in question?
if (!($sectioninfo = $modinfo->get_section_info($displaysection))) {
// This section doesn't exist.
print_error('unknowncoursesection', 'error', null, $course->fullname);
return;
}
if (!$sectioninfo->uservisible) {
if (!$course->hiddensections) {
echo $this->start_section_list();
echo $this->section_hidden($displaysection, $course->id);
echo $this->end_section_list();
}
// Can't view this section.
return;
}
// Copy activity clipboard..
echo $this->course_activity_clipboard($course, $displaysection);
// Start single-section div.
echo html_writer::start_tag('div', array('class' => 'single-section'));
// The requested section page.
$thissection = $modinfo->get_section_info($displaysection);
// Title with section navigation links.
$sectionnavlinks = $this->get_nav_links($course, $modinfo->get_section_info_all(), $displaysection);
$sectiontitle = '';
$sectiontitle .= html_writer::start_tag('div', array('class' => 'section-navigation navigationtitle'));
$sectiontitle .= html_writer::tag('span', $sectionnavlinks['previous'], array('class' => 'mdl-left'));
$sectiontitle .= html_writer::tag('span', $sectionnavlinks['next'], array('class' => 'mdl-right'));
// Title attributes.
$classes = 'sectionname';
if (!$thissection->visible) {
$classes .= ' dimmed_text';
}
$sectionname = html_writer::tag('span', get_section_name($course, $displaysection));
$sectiontitle .= $this->output->heading($sectionname, 3, $classes);
$sectiontitle .= html_writer::end_tag('div');
echo $sectiontitle;
// Now the list of sections..
echo $this->start_section_list();
echo $this->section_header_onsectionpage_topic0notattop($thissection, $course);
// Show completion help icon.
$completioninfo = new completion_info($course);
echo $completioninfo->display_help_icon();
echo $this->courserenderer->course_section_cm_list($course, $thissection, $displaysection);
echo $this->courserenderer->course_section_add_cm_control($course, $displaysection, $displaysection);
echo $this->section_footer();
echo $this->end_section_list();
// Display section bottom navigation.
$sectionbottomnav = '';
$sectionbottomnav .= html_writer::start_tag('div', array('class' => 'section-navigation mdl-bottom'));
$sectionbottomnav .= html_writer::tag('span', $sectionnavlinks['previous'], array('class' => 'mdl-left'));
$sectionbottomnav .= html_writer::tag('span', $sectionnavlinks['next'], array('class' => 'mdl-right'));
$sectionbottomnav .= html_writer::tag('div', $this->section_nav_selection($course, $sections, $displaysection),
array('class' => 'mdl-align'));
$sectionbottomnav .= html_writer::end_tag('div');
echo $sectionbottomnav;
// Close single-section div.
echo html_writer::end_tag('div');
}
}
/**
* Output the html for a multiple section page
*
* @param stdClass $course The course entry from DB
* @param array $sections The course_sections entries from the DB
* @param array $mods
* @param array $modnames
* @param array $modnamesused
*/
public function print_multiple_section_page($course, $sections, $mods, $modnames, $modnamesused) {
global $USER;
if (!empty($USER->profile['accessible'])) {
return parent::print_multiple_section_page($course, $sections, $mods, $modnames, $modnamesused);
}
global $PAGE;
$coursecontext = context_course::instance($course->id);
$editing = $PAGE->user_is_editing();
$hascapvishidsect = has_capability('moodle/course:viewhiddensections', $coursecontext);
if ($editing) {
$streditsummary = get_string('editsummary');
$urlpicedit = $this->output->image_url('t/edit');
} else {
$urlpicedit = false;
$streditsummary = '';
}
echo html_writer::start_tag('div', array('id' => 'gridmiddle-column'));
echo $this->output->skip_link_target();
$modinfo = get_fast_modinfo($course);
$sections = $modinfo->get_section_info_all();
// Start at 1 to skip the summary block or include the summary block if it's in the grid display.
if ($this->section0attop) {
$this->section0attop = $this->make_block_topic0($course, $sections, $modinfo, $editing, $urlpicedit,
$streditsummary, false);
// For the purpose of the grid shade box shown array topic 0 is not shown.
$this->shadeboxshownarray[0] = 1;
}
echo html_writer::start_tag('div', array('id' => 'gridiconcontainer', 'role' => 'navigation',
'aria-label' => get_string('gridimagecontainer', 'format_grid')));
$gridiconsclass = 'gridicons';
if ($this->settings['sectiontitleboxposition'] == 1) {
$gridiconsclass .= ' content_inside';
}
$defaultcustommousepointers = get_config('format_grid', 'defaultcustommousepointers');
if ($defaultcustommousepointers == 2) { // Yes.
$gridiconsclass .= ' gridcursor';
}
echo html_writer::start_tag('ul', array('class' => $gridiconsclass));
// Print all of the image containers.
$this->make_block_icon_topics($coursecontext->id, $modinfo, $course, $editing, $hascapvishidsect, $urlpicedit);
echo html_writer::end_tag('ul');
echo html_writer::end_tag('div');
$rtl = right_to_left();
$coursenumsections = $this->courseformat->get_last_section_number();
if (!(($course->coursedisplay == COURSE_DISPLAY_MULTIPAGE) && (!$editing))) {
$gridshadeboxattributes = array('id' => 'gridshadebox');
if ($defaultcustommousepointers == 2) { // Yes.
$gridshadeboxattributes['class'] = 'gridcursor';
}
echo html_writer::start_tag('div', $gridshadeboxattributes);
echo html_writer::tag('div', '', array('id' => 'gridshadebox_overlay', 'style' => 'display: none;'));
$gridshadeboxcontentclasses = array('hide_content');
if (!$editing) {
if ($this->settings['fitsectioncontainertowindow'] == 2) {
$gridshadeboxcontentclasses[] = 'fit_to_window';
} else {
$gridshadeboxcontentclasses[] = 'absolute';
}
}
echo html_writer::start_tag('div', array('id' => 'gridshadebox_content', 'class' => implode(' ',
$gridshadeboxcontentclasses),
'role' => 'region',
'aria-label' => get_string('shadeboxcontent', 'format_grid')));
$deviceextra = '';
switch ($this->portable) {
case 1: // Mobile.
$deviceextra = ' gridshadebox_mobile';
break;
case 2: // Tablet.
$deviceextra = ' gridshadebox_tablet';
break;
default:
break;
}
$closeshadebox = get_string('closeshadebox', 'format_grid');
echo html_writer::tag('img', '', array('id' => 'gridshadebox_close', 'style' => 'display: none;',
'class' => $deviceextra,
'src' => $this->output->image_url('close', 'format_grid'),
'role' => 'link',
'alt' => $closeshadebox,
'aria-label' => $closeshadebox));
// Only show the arrows if there is more than one box shown.
if (($coursenumsections > 1) || (($coursenumsections == 1) && (!$this->section0attop))) {
if ($rtl) {
$previcon = 'right';
$nexticon = 'left';
$areadir = 'rtl';
} else {
$previcon = 'left';
$nexticon = 'right';
$areadir = 'ltr';
}
$previoussection = get_string('previoussection', 'format_grid');
$prev = html_writer::start_tag('div', array('id' => 'gridshadebox_previous',
'class' => 'gridshadebox_area gridshadebox_previous_area '.$areadir,
'style' => 'display: none;',
'role' => 'link',
'aria-label' => $previoussection)
);
$prev .= html_writer::tag('img', '', array('class' => 'gridshadebox_arrow gridshadebox_previous'.$deviceextra,
'src' => $this->output->image_url('fa-arrow-circle-'.$previcon.'-w', 'format_grid'),
'alt' => $previoussection,
'aria-label' => $previoussection
)
);
$prev .= html_writer::end_tag('div');
$nextsection = get_string('nextsection', 'format_grid');
$next = html_writer::start_tag('div', array('id' => 'gridshadebox_next',
'class' => 'gridshadebox_area gridshadebox_next_area '.$areadir,
'style' => 'display: none;',
'role' => 'link',
'aria-label' => $nextsection)
);
$next .= html_writer::tag('img', '', array('class' => 'gridshadebox_arrow gridshadebox_next'.$deviceextra,
'src' => $this->output->image_url('fa-arrow-circle-'.$nexticon.'-w', 'format_grid'),
'alt' => $nextsection,
'aria-label' => $nextsection
)
);
$next .= html_writer::end_tag('div');
if ($rtl) {
echo $next.$prev;
} else {
echo $prev.$next;
}
}
echo $this->start_section_list();
// If currently moving a file then show the current clipboard.
$this->make_block_show_clipboard_if_file_moving($course);
// Print Section 0 with general activities.
if (!$this->section0attop) {
$this->make_block_topic0($course, $sections, $modinfo, $editing, $urlpicedit, $streditsummary, false);
}
// Now all the normal modules by topic.
// Everything below uses "section" terminology - each "section" is a topic/module.
$this->make_block_topics($course, $sections, $modinfo, $editing, $hascapvishidsect, $streditsummary,
$urlpicedit, false);
echo html_writer::end_tag('div');
echo html_writer::end_tag('div');
echo html_writer::tag('div', ' ', array('class' => 'clearer'));
}
echo html_writer::end_tag('div');
$sectionredirect = null;
if ($course->coursedisplay == COURSE_DISPLAY_MULTIPAGE) {
// Get the redirect URL prefix for keyboard control with the 'Show one section per page' layout.
$sectionredirect = $this->courseformat->get_view_url(null)->out(true);
}
// Initialise the shade box functionality:...
$PAGE->requires->js_init_call('M.format_grid.init', array(
$PAGE->user_is_editing(),
$sectionredirect,
$coursenumsections,
json_encode($this->shadeboxshownarray)));
if (!$PAGE->user_is_editing()) {
// Initialise the key control functionality...
$PAGE->requires->yui_module('moodle-format_grid-gridkeys', 'M.format_grid.gridkeys.init',
array(array('rtl' => $rtl)), null, true);
}
}
/**
* Generate the edit controls of a section
*
* @param stdClass $course The course entry from DB
* @param stdClass $section The course_section entry from DB
* @param bool $onsectionpage true if being printed on a section page
* @return array of links with edit controls
*/
protected function section_edit_control_items($course, $section, $onsectionpage = false) {
if (!$this->page->user_is_editing()) {
return array();
}
$coursecontext = context_course::instance($course->id);
if ($onsectionpage) {
$url = course_get_url($course, $section->section);
} else {
$url = course_get_url($course);
}
$url->param('sesskey', sesskey());
$controls = array();
if ($section->section && has_capability('moodle/course:setcurrentsection', $coursecontext)) {
if ($course->marker == $section->section) { // Show the "light globe" on/off.
$url->param('marker', 0);
$markedthissection = get_string('markedthissection', 'format_grid');
$highlightoff = get_string('highlightoff');
$controls['highlight'] = array('url' => $url, "icon" => 'i/marked',
'name' => $highlightoff,
'pixattr' => array('class' => '', 'alt' => $markedthissection),
'attr' => array('class' => 'editing_highlight', 'title' => $markedthissection,
'data-action' => 'removemarker'));
$url->param('marker', 0);
} else {
$url->param('marker', $section->section);
$markthissection = get_string('markthissection', 'format_grid');
$highlight = get_string('highlight');
$controls['highlight'] = array('url' => $url, "icon" => 'i/marker',
'name' => $highlight,
'pixattr' => array('class' => '', 'alt' => $markthissection),
'attr' => array('class' => 'editing_highlight', 'title' => $markthissection,
'data-action' => 'setmarker'));
}
}
$parentcontrols = parent::section_edit_control_items($course, $section, $onsectionpage);
// If the edit key exists, we are going to insert our controls after it.
if (array_key_exists("edit", $parentcontrols)) {
$merged = array();
// We can't use splice because we are using associative arrays.
// Step through the array and merge the arrays.
foreach ($parentcontrols as $key => $action) {
$merged[$key] = $action;
if ($key == "edit") {
// If we have come to the edit key, merge these controls here.
$merged = array_merge($merged, $controls);
}
}
return $merged;
} else {
return array_merge($controls, $parentcontrols);
}
}
// Grid format specific code.
/**
* Makes section zero.
*/
private function make_block_topic0($course, $sections, $modinfo, $editing, $urlpicedit, $streditsummary,
$onsectionpage) {
$section = 0;
if (!array_key_exists($section, $sections)) {
return false;
}
$thissection = $modinfo->get_section_info($section);
if (!is_object($thissection)) {
return false;
}
if ($this->section0attop) {
echo html_writer::start_tag('ul', array('class' => 'gtopics-0'));
}
$sectionname = $this->courseformat->get_section_name($thissection);
echo html_writer::start_tag('li', array(
'id' => 'section-0',
'class' => 'section main' . ($this->section0attop ? '' : ' grid_section hide_section'),
'role' => 'region',
'aria-label' => $sectionname)
);
echo html_writer::start_tag('div', array('class' => 'content'));
if (!$onsectionpage) {
echo $this->output->heading($sectionname, 3, 'sectionname');
}
echo html_writer::start_tag('div', array('class' => 'summary'));
echo $this->format_summary_text($thissection);
if ($editing) {
echo html_writer::link(
new moodle_url('editsection.php', array('id' => $thissection->id)),
html_writer::empty_tag('img', array('src' => $urlpicedit,
'alt' => $streditsummary,
'class' => 'iconsmall edit')),
array('title' => $streditsummary));
}
echo html_writer::end_tag('div');
echo $this->courserenderer->course_section_cm_list($course, $thissection, 0);
if ($editing) {
echo $this->courserenderer->course_section_add_cm_control($course, $thissection->section, 0, 0);
if ($this->section0attop) {
$strhidesummary = get_string('hide_summary', 'format_grid');
$strhidesummaryalt = get_string('hide_summary_alt', 'format_grid');
echo html_writer::link(
$this->courseformat->grid_moodle_url('mod_summary.php', array(
'sesskey' => sesskey(),
'course' => $course->id,
'showsummary' => 0)), html_writer::empty_tag('img', array(
'src' => $this->output->image_url('into_grid', 'format_grid'),
'alt' => $strhidesummaryalt)) . ' ' . $strhidesummary, array('title' => $strhidesummaryalt));
}
}
echo html_writer::end_tag('div');
echo html_writer::end_tag('li');
if ($this->section0attop) {
echo html_writer::end_tag('ul');
}
return true;
}
/**
* States if the icon is to be greyed out.
*
* For logic see: section_availability_message() + a bit more!
*
* @param stdClass $course The course entry from DB
* @param section_info $section The course_section entry from DB
* @param bool $canviewhidden True if user can view hidden sections
* @return bool Grey out the section icon, true or false?
*/
protected function section_greyedout($course, $section, $canviewhidden) {
global $CFG;
$sectiongreyedout = false;
if (!$section->visible) {
if ($canviewhidden) {
$sectiongreyedout = true;
} else if (!$course->hiddensections) { // Hidden sections in collapsed form.
$sectiongreyedout = true;
}
} else if (!$section->uservisible) {
if (($section->availableinfo) && ((!$course->hiddensections) || ($canviewhidden))) { // Hidden sections in collapsed form.
// Note: We only get to this function if availableinfo is non-empty,
// so there is definitely something to print.
$sectiongreyedout = true;
}
} else if ($canviewhidden && !empty($CFG->enableavailability)) {
// Check if there is an availability restriction.
$ci = new \core_availability\info_section($section);
$fullinfo = $ci->get_full_information();
$information = '';
if ($fullinfo && (!$ci->is_available($information))) {
$sectiongreyedout = true;
$information = '';
}
}
return $sectiongreyedout;
}
/**
* Makes the grid image containers.
*/
private function make_block_icon_topics($contextid, $modinfo, $course, $editing, $hascapvishidsect,
$urlpicedit) {
global $CFG;
if ($this->settings['newactivity'] == 2) {
$currentlanguage = current_language();
if (!file_exists("$CFG->dirroot/course/format/grid/pix/new_activity_".$currentlanguage.".png")) {
$currentlanguage = 'en';
}
$urlpicnewactivity = $this->output->image_url('new_activity_'.$currentlanguage, 'format_grid');
// Get all the section information about which items should be marked with the NEW picture.
$sectionupdated = $this->new_activity($course);
}
// Get the section images for the course.
$sectionimages = $this->courseformat->get_images($course->id);
// CONTRIB-4099:...
$gridimagepath = $this->courseformat->get_image_path();
if ($course->coursedisplay == COURSE_DISPLAY_MULTIPAGE) {
$singlepageurl = $this->courseformat->get_view_url(null)->out(true);
}
if ($this->settings['showsectiontitlesummary'] == 2) {
$this->page->requires->js_call_amd('format_grid/tooltip', 'init');
}
// Start at 1 to skip the summary block or include the summary block if it's in the grid display.
$coursenumsections = $this->courseformat->get_last_section_number();
$sections = $modinfo->get_section_info_all();
for ($section = $this->section0attop ? 1 : 0; $section <= $coursenumsections; $section++) {
$thissection = $sections[$section];
// Check if section is visible to user.
$showsection = $thissection->uservisible ||
($thissection->visible && !$thissection->available &&
!empty($thissection->availableinfo) && ((!$course->hiddensections) || ($hascapvishidsect)));
// If we should grey it out, flag that here.
$sectiongreyedout = false;
if ($this->settings['greyouthidden'] == 2) {
$sectiongreyedout = $this->section_greyedout($course, $thissection, $hascapvishidsect);
}
if ($showsection || $sectiongreyedout) {
// We now know the value for the grid shade box shown array.
$this->shadeboxshownarray[$section] = 2;
$sectionname = $this->courseformat->get_section_name($thissection);
$sectiontitleattribues = array();
if ($this->settings['hidesectiontitle'] == 1) {
$displaysectionname = $sectionname;
} else {
$displaysectionname = '';
$sectiontitleattribues['aria-label'] = $sectionname;
}
if ($this->settings['sectiontitlegridlengthmaxoption'] != 0) {
$sectionnamelen = core_text::strlen($displaysectionname);
if ($sectionnamelen !== false) {
if ($sectionnamelen > $this->settings['sectiontitlegridlengthmaxoption']) {
$displaysectionname = core_text::substr($displaysectionname, 0, $this->settings['sectiontitlegridlengthmaxoption']).'...';
}
}
}
$sectiontitleclass = 'icon_content';
if ($this->settings['sectiontitleboxposition'] == 1) {
// Only bother if there is a section name to show.
$canshow = false;
$sectionnamelen = core_text::strlen($displaysectionname);
if (($sectionnamelen !== false) && ($sectionnamelen > 0)) {
if ($sectionnamelen == 1) {
if ($displaysectionname[0] != ' ') {
$canshow = true;
}
} else {
$canshow = true;
}
}
if ($canshow) {
$sectiontitleclass .= ' content_inside';
if ($this->settings['sectiontitleboxinsideposition'] == 2) {
$sectiontitleclass .= ' middle';
} else if ($this->settings['sectiontitleboxinsideposition'] == 3) {
$sectiontitleclass .= ' bottom';
}
}
}
$sectiontitleattribues['id'] = 'gridsectionname-'.$thissection->section;
$sectiontitleattribues['class'] = $sectiontitleclass;
if ($this->settings['showsectiontitlesummary'] == 2) {
$summary = strip_tags($thissection->summary);
$summary = str_replace(" ", ' ', $summary);
$summarylen = core_text::strlen($summary);
if ($summarylen > 0) {
if ($this->settings['sectiontitlesummarymaxlength'] != 0) {
if ($summarylen > $this->settings['sectiontitlesummarymaxlength']) {
$summary = core_text::substr($summary, 0, $this->settings['sectiontitlesummarymaxlength']).'...';
}
}
$sectiontitleattribues['title'] = $summary;
$sectiontitleattribues['data-toggle'] = 'gridtooltip';
$sectiontitleattribues['data-placement'] = $this->courseformat->get_set_show_section_title_summary_position();
}
}
/* Roles info on based on: http://www.w3.org/TR/wai-aria/roles.
Looked into the 'grid' role but that requires 'row' before 'gridcell' and there are none as the grid
is responsive, so as the container is a 'navigation' then need to look into converting the containing
'div' to a 'nav' tag (www.w3.org/TR/2010/WD-html5-20100624/sections.html#the-nav-element) when I'm
that all browsers support it against the browser requirements of Moodle. */
$liattributes = array(
'role' => 'region',
'aria-labelledby' => 'gridsectionname-'.$thissection->section
);
if ($this->courseformat->is_section_current($section)) {
$liattributes['class'] = 'currenticon';
}
if (!empty($summary)) {
$liattributes['aria-describedby'] = 'gridsectionsummary-'.$thissection->section;
}
echo html_writer::start_tag('li', $liattributes);
// Ensure the record exists.
if (($sectionimages === false) || (!array_key_exists($thissection->id, $sectionimages))) {
// Method get_image has 'repair' functionality for when there are issues with the data.
$sectionimage = $this->courseformat->get_image($course->id, $thissection->id);
} else {
$sectionimage = $sectionimages[$thissection->id];
}
// If the image is set then check that displayedimageindex is greater than 0 otherwise create the displayed image.
// This is a catch-all for existing courses.
if (isset($sectionimage->image) && ($sectionimage->displayedimageindex < 1)) {
// Set up the displayed image:...
$sectionimage->newimage = $sectionimage->image;
$icbc = $this->courseformat->hex2rgb($this->settings['imagecontainerbackgroundcolour']);
$sectionimage = $this->courseformat->setup_displayed_image($sectionimage, $contextid,
$this->settings, $icbc);
}
if ($course->coursedisplay != COURSE_DISPLAY_MULTIPAGE) {
if (($editing) && ($section == 0)) {
$this->make_block_icon_topic0_editing($course);
}
echo html_writer::start_tag('a', array(
'href' => '#section-'.$thissection->section,
'id' => 'gridsection-'.$thissection->section,
'class' => 'gridicon_link',
'role' => 'link')
);
if ($this->settings['sectiontitleboxposition'] == 2) {
echo html_writer::tag('div', $displaysectionname, $sectiontitleattribues);
}
if (($this->settings['newactivity'] == 2) && (isset($sectionupdated[$thissection->id]))) {
// The section has been updated since the user last visited this course, add NEW label.
echo html_writer::empty_tag('img', array(
'class' => 'new_activity',
'src' => $urlpicnewactivity,
'alt' => ''));
}
$imageclass = 'image_holder';
if ($sectiongreyedout) {
$imageclass .= ' inaccessible';
}
echo html_writer::start_tag('div', array('class' => $imageclass));
if ($this->settings['sectiontitleboxposition'] == 1) {
echo html_writer::tag('div', $displaysectionname, $sectiontitleattribues);
}
if (!empty($summary)) {
echo html_writer::tag('div', '', array('id' => 'gridsectionsummary-'.$thissection->section,
'hidden' => true, 'aria-label' => $summary));
}
echo $this->courseformat->output_section_image($section, $sectionname, $sectionimage, $contextid, $thissection, $gridimagepath);
echo html_writer::end_tag('div');
echo html_writer::end_tag('a');
if ($editing) {
$this->make_block_icon_topics_editing($thissection, $contextid, $urlpicedit);
}
echo html_writer::end_tag('li');
} else {
$content = '';
if ($this->settings['sectiontitleboxposition'] == 2) {
$content .= html_writer::tag('div', $displaysectionname, $sectiontitleattribues);
}
if (($this->settings['newactivity'] == 2) && (isset($sectionupdated[$thissection->id]))) {
$content .= html_writer::empty_tag('img', array(
'class' => 'new_activity',
'src' => $urlpicnewactivity));
}
// Grey out code: Justin 2016/05/14.
$imageclass = 'image_holder';
if ($sectiongreyedout) {
$imageclass .= ' inaccessible';
}
$content .= html_writer::start_tag('div', array('class' => $imageclass));
if ($this->settings['sectiontitleboxposition'] == 1) {
$content .= html_writer::tag('div', $displaysectionname, $sectiontitleattribues);
}
if (!empty($summary)) {
$content .= html_writer::tag('div', '', array('id' => 'gridsectionsummary-'.$thissection->section,
'hidden' => true, 'aria-label' => $summary));
}
$content .= $this->coursformat->output_section_image($section, $sectionname, $sectionimage, $contextid, $thissection, $gridimagepath);
$content .= html_writer::end_tag('div');
if ($editing) {
if ($section == 0) {
$this->make_block_icon_topic0_editing($course);
}
// Section greyed out by Justin 2016/05/14.
if (!$sectiongreyedout) {
echo html_writer::link($singlepageurl.'#section-'.$thissection->section, $content, array(
'id' => 'gridsection-'.$thissection->section,
'class' => 'gridicon_link',
'role' => 'link'));
} else {
// Need an enclosing 'span' for IE.
echo html_writer::tag('span', $content);
}
$this->make_block_icon_topics_editing($thissection, $contextid, $urlpicedit);
} else {
if (!$sectiongreyedout) {
echo html_writer::link($singlepageurl.'§ion='.$thissection->section, $content, array(
'id' => 'gridsection-'.$thissection->section,
'class' => 'gridicon_link',
'role' => 'link'));
} else {
// Need an enclosing 'span' for IE.
echo html_writer::tag('span', $content);
}
}
echo html_writer::end_tag('li');
}
} else {
// We now know the value for the grid shade box shown array.
$this->shadeboxshownarray[$section] = 1;
}
}
}
private function make_block_icon_topics_editing($thissection, $contextid, $urlpicedit) {
global $USER;
$streditimage = get_string('editimage', 'format_grid');
$streditimagealt = get_string('editimage_alt', 'format_grid');
echo html_writer::link(
$this->courseformat->grid_moodle_url('editimage.php', array(
'sectionid' => $thissection->id,
'contextid' => $contextid,
'userid' => $USER->id,
'role' => 'link',
'aria-label' => $streditimagealt)
),
html_writer::empty_tag('img', array(
'src' => $urlpicedit,
'alt' => $streditimagealt,
'role' => 'img',
'aria-label' => $streditimagealt)).' '.$streditimage,
array('title' => $streditimagealt)
);
}
private function make_block_icon_topic0_editing($course) {
$strdisplaysummary = get_string('display_summary', 'format_grid');
$strdisplaysummaryalt = get_string('display_summary_alt', 'format_grid');
echo html_writer::link(
$this->courseformat->grid_moodle_url('mod_summary.php', array(
'sesskey' => sesskey(),
'course' => $course->id,
'showsummary' => 1,