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lib.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/>.
/**
* Theme Boost Union - Library
*
* @package theme_boost_union
* @copyright 2022 Alexander Bias, lern.link GmbH <[email protected]>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
// Constants which are use throughout this theme.
define('THEME_BOOST_UNION_SETTING_SELECT_YES', 'yes');
define('THEME_BOOST_UNION_SETTING_SELECT_NO', 'no');
define('THEME_BOOST_UNION_SETTING_STATICPAGELINKPOSITION_NONE', 'none');
define('THEME_BOOST_UNION_SETTING_STATICPAGELINKPOSITION_FOOTNOTE', 'footnote');
define('THEME_BOOST_UNION_SETTING_STATICPAGELINKPOSITION_FOOTER', 'footer');
define('THEME_BOOST_UNION_SETTING_STATICPAGELINKPOSITION_BOTH', 'both');
define('THEME_BOOST_UNION_SETTING_HIDENODESPRIMARYNAVIGATION_HOME', 'home');
define('THEME_BOOST_UNION_SETTING_HIDENODESPRIMARYNAVIGATION_MYHOME', 'myhome');
define('THEME_BOOST_UNION_SETTING_HIDENODESPRIMARYNAVIGATION_MYCOURSES', 'courses');
define('THEME_BOOST_UNION_SETTING_HIDENODESPRIMARYNAVIGATION_SITEADMIN', 'siteadminnode');
define('THEME_BOOST_UNION_SETTING_INFOBANNER_COUNT', 5);
define('THEME_BOOST_UNION_SETTING_INFOBANNERPAGES_MY', 'mydashboard');
define('THEME_BOOST_UNION_SETTING_INFOBANNERPAGES_MYCOURSES', 'mycourses');
define('THEME_BOOST_UNION_SETTING_INFOBANNERPAGES_SITEHOME', 'frontpage');
define('THEME_BOOST_UNION_SETTING_INFOBANNERPAGES_COURSE', 'course');
define('THEME_BOOST_UNION_SETTING_INFOBANNERPAGES_LOGIN', 'login');
define('THEME_BOOST_UNION_SETTING_INFOBANNERMODE_PERPETUAL', 'perp');
define('THEME_BOOST_UNION_SETTING_INFOBANNERMODE_TIMEBASED', 'time');
define('THEME_BOOST_UNION_SETTING_ADVERTISEMENTTILES_COUNT', 12);
define('THEME_BOOST_UNION_SETTING_ADVERTISEMENTTILES_COLUMN_COUNT', 4);
define('THEME_BOOST_UNION_SETTING_ADVERTISEMENTTILES_FRONTPAGEPOSITION_BEFORE', 1);
define('THEME_BOOST_UNION_SETTING_ADVERTISEMENTTILES_FRONTPAGEPOSITION_AFTER', 2);
define('THEME_BOOST_UNION_SETTING_SLIDES_COUNT', 6);
define('THEME_BOOST_UNION_SETTING_SLIDER_ANIMATIONTYPE_NONE', 0);
define('THEME_BOOST_UNION_SETTING_SLIDER_ANIMATIONTYPE_SLIDE', 1);
define('THEME_BOOST_UNION_SETTING_SLIDER_ANIMATIONTYPE_FADE', 2);
define('THEME_BOOST_UNION_SETTING_SLIDER_FRONTPAGEPOSITION_BEFOREBEFORE', 1);
define('THEME_BOOST_UNION_SETTING_SLIDER_FRONTPAGEPOSITION_BEFOREAFTER', 2);
define('THEME_BOOST_UNION_SETTING_SLIDER_FRONTPAGEPOSITION_AFTERBEFORE', 3);
define('THEME_BOOST_UNION_SETTING_SLIDER_FRONTPAGEPOSITION_AFTERAFTER', 4);
define('THEME_BOOST_UNION_SETTING_SLIDER_RIDE_ONPAGELOAD', 0);
define('THEME_BOOST_UNION_SETTING_SLIDER_RIDE_AFTERINTERACTION', 1);
define('THEME_BOOST_UNION_SETTING_SLIDER_RIDE_NEVER', 2);
define('THEME_BOOST_UNION_SETTING_SLIDER_LINKSOURCE_BOTH', 0);
define('THEME_BOOST_UNION_SETTING_SLIDER_LINKSOURCE_IMAGE', 1);
define('THEME_BOOST_UNION_SETTING_SLIDER_LINKSOURCE_TEXT', 2);
define('THEME_BOOST_UNION_SETTING_HEIGHT_100PX', '100px');
define('THEME_BOOST_UNION_SETTING_HEIGHT_150PX', '150px');
define('THEME_BOOST_UNION_SETTING_HEIGHT_200PX', '200px');
define('THEME_BOOST_UNION_SETTING_HEIGHT_250PX', '250px');
define('THEME_BOOST_UNION_SETTING_IMAGEPOSITION_CENTER_CENTER', 'center center');
define('THEME_BOOST_UNION_SETTING_IMAGEPOSITION_CENTER_TOP', 'center top');
define('THEME_BOOST_UNION_SETTING_IMAGEPOSITION_CENTER_BOTTOM', 'center bottom');
define('THEME_BOOST_UNION_SETTING_IMAGEPOSITION_LEFT_TOP', 'left top');
define('THEME_BOOST_UNION_SETTING_IMAGEPOSITION_LEFT_CENTER', 'left center');
define('THEME_BOOST_UNION_SETTING_IMAGEPOSITION_LEFT_BOTTOM', 'left bottom');
define('THEME_BOOST_UNION_SETTING_IMAGEPOSITION_RIGHT_TOP', 'right top');
define('THEME_BOOST_UNION_SETTING_IMAGEPOSITION_RIGHT_CENTER', 'right center');
define('THEME_BOOST_UNION_SETTING_IMAGEPOSITION_RIGHT_BOTTOM', 'right bottom');
define('THEME_BOOST_UNION_SETTING_COURSEIMAGELAYOUT_STACKEDDARK', 'stackeddark');
define('THEME_BOOST_UNION_SETTING_COURSEIMAGELAYOUT_STACKEDLIGHT', 'stackedlight');
define('THEME_BOOST_UNION_SETTING_COURSEIMAGELAYOUT_HEADINGABOVE', 'headingabove');
define('THEME_BOOST_UNION_SETTING_COMPLETIONINFOPOSITION_STARTOFLINE', 'startofline');
define('THEME_BOOST_UNION_SETTING_COMPLETIONINFOPOSITION_ENDOFLINE', 'endofline');
define('THEME_BOOST_UNION_SETTING_COMPLETIONINFOPOSITION_ICONCOLOR', 'iconcolor');
define('THEME_BOOST_UNION_SETTING_CONTENTSTYLE_NOCHANGE', 'nochange');
define('THEME_BOOST_UNION_SETTING_CONTENTSTYLE_LIGHT', 'light');
define('THEME_BOOST_UNION_SETTING_CONTENTSTYLE_LIGHTSHADOW', 'lightshadow');
define('THEME_BOOST_UNION_SETTING_CONTENTSTYLE_DARK', 'dark');
define('THEME_BOOST_UNION_SETTING_CONTENTSTYLE_DARKSHADOW', 'darkshadow');
define('THEME_BOOST_UNION_SETTING_LINKTARGET_SAMEWINDOW', 'same');
define('THEME_BOOST_UNION_SETTING_LINKTARGET_NEWTAB', 'new');
define('THEME_BOOST_UNION_SETTING_LOGINFORMPOS_CENTER', 'center');
define('THEME_BOOST_UNION_SETTING_LOGINFORMPOS_LEFT', 'left');
define('THEME_BOOST_UNION_SETTING_LOGINFORMPOS_RIGHT', 'right');
define('THEME_BOOST_UNION_SETTING_NAVBARCOLOR_LIGHT', 'light');
define('THEME_BOOST_UNION_SETTING_NAVBARCOLOR_DARK', 'dark');
define('THEME_BOOST_UNION_SETTING_NAVBARCOLOR_PRIMARYLIGHT', 'primarylight');
define('THEME_BOOST_UNION_SETTING_NAVBARCOLOR_PRIMARYDARK', 'primarydark');
define('THEME_BOOST_UNION_SETTING_OUTSIDEREGIONSPLACEMENT_NEXTMAINCONTENT', 'nextmaincontent');
define('THEME_BOOST_UNION_SETTING_OUTSIDEREGIONSPLACEMENT_NEARWINDOW', 'nearwindowedges');
define('THEME_BOOST_UNION_SETTING_OUTSIDEREGIONSWITH_FULLWIDTH', 'fullwidth');
define('THEME_BOOST_UNION_SETTING_OUTSIDEREGIONSWITH_COURSECONTENTWIDTH', 'coursecontentwidth');
define('THEME_BOOST_UNION_SETTING_OUTSIDEREGIONSWITH_HEROWIDTH', 'herowidth');
define('THEME_BOOST_UNION_SETTING_ENABLEFOOTER_ALL', 'enablefooterbuttonall');
define('THEME_BOOST_UNION_SETTING_ENABLEFOOTER_DESKTOP', 'enablefooterbuttondesktop');
define('THEME_BOOST_UNION_SETTING_ENABLEFOOTER_MOBILE', 'enablefooterbuttonmobile');
define('THEME_BOOST_UNION_SETTING_ENABLEFOOTER_NONE', 'enablefooterbuttonnone');
define('THEME_BOOST_UNION_SETTING_COURSEOVERVIEW_SHOWCOURSEIMAGES_CARD', 'card');
define('THEME_BOOST_UNION_SETTING_COURSEOVERVIEW_SHOWCOURSEIMAGES_LIST', 'list');
define('THEME_BOOST_UNION_SETTING_COURSEOVERVIEW_SHOWCOURSEIMAGES_SUMMARY', 'summary');
define('THEME_BOOST_UNION_SETTING_MARKLINKS_WHOLEPAGE', 'wholepage');
define('THEME_BOOST_UNION_SETTING_MARKLINKS_COURSEMAIN', 'coursemain');
define('THEME_BOOST_UNION_SETTING_EXTSCSSSOURCE_NONE', 0);
define('THEME_BOOST_UNION_SETTING_EXTSCSSSOURCE_DOWNLOAD', 1);
define('THEME_BOOST_UNION_SETTING_EXTSCSSSOURCE_GITHUB', 2);
/**
* Returns the main SCSS content.
*
* @param theme_config $theme The theme config object.
* @return string
*/
function theme_boost_union_get_main_scss_content($theme) {
global $CFG;
$scss = '';
// Require Boost Core library.
require_once($CFG->dirroot.'/theme/boost/lib.php');
// Include pre.scss from Boost Union.
$scss .= file_get_contents($CFG->dirroot . '/theme/boost_union/scss/boost_union/pre.scss');
// Get and include the main SCSS from Boost Core.
// This particularly covers the theme preset which is set in Boost Core and not Boost Union.
$scss .= theme_boost_get_main_scss_content(theme_config::load('boost'));
// Include post.scss from Boost Union.
$scss .= file_get_contents($CFG->dirroot . '/theme/boost_union/scss/boost_union/post.scss');
// Get and include the external Post SCSS.
// This should actually be in theme_boost_union_get_extra_scss().
// But as the *_get_extra_scss() functions work in practice, this is not possible as the external Raw SCSS code
// would end of _after_ the code from theme_boost_get_extra_scss() and not _before_.
// Thus, we sadly have to get and include the external Post SCSS here already.
$scss .= theme_boost_union_get_external_scss('post');
return $scss;
}
/**
* Get SCSS to prepend.
*
* @param theme_config $theme The theme config object.
* @return string
*/
function theme_boost_union_get_pre_scss($theme) {
global $CFG;
// Require local library.
require_once($CFG->dirroot . '/theme/boost_union/locallib.php');
$scss = '';
// Add SCSS constants for evaluating select setting values in SCSS code.
$scss .= '$boostunionsettingyes: '.THEME_BOOST_UNION_SETTING_SELECT_YES. ";\n";
$scss .= '$boostunionsettingno: '.THEME_BOOST_UNION_SETTING_SELECT_NO. ";\n";
$configurable = [
// Config key => [variableName, ...].
'brandcolor' => ['primary'],
'bootstrapcolorsuccess' => ['success'],
'bootstrapcolorinfo' => ['info'],
'bootstrapcolorwarning' => ['warning'],
'bootstrapcolordanger' => ['danger'],
'activityiconcoloradministration' => ['activity-icon-administration-bg'],
'activityiconcolorassessment' => ['activity-icon-assessment-bg'],
'activityiconcolorcollaboration' => ['activity-icon-collaboration-bg'],
'activityiconcolorcommunication' => ['activity-icon-communication-bg'],
'activityiconcolorcontent' => ['activity-icon-content-bg'],
'activityiconcolorinterface' => ['activity-icon-interface-bg'],
];
// Prepend variables first.
foreach ($configurable as $configkey => $targets) {
$value = get_config('theme_boost_union', $configkey);
if (!($value)) {
continue;
}
array_map(function($target) use (&$scss, $value) {
$scss .= '$' . $target . ': ' . $value . ";\n";
}, (array) $targets);
}
// Overwrite Boost core SCSS variables which need units and thus couldn't be added to $configurable above.
// Set variables which are influenced by the coursecontentmaxwidth setting.
if (get_config('theme_boost_union', 'coursecontentmaxwidth')) {
$scss .= '$course-content-maxwidth: '.get_config('theme_boost_union', 'coursecontentmaxwidth').";\n";
}
// Set variables which are influenced by the mediumcontentmaxwidth setting.
if (get_config('theme_boost_union', 'mediumcontentmaxwidth')) {
$scss .= '$medium-content-maxwidth: '.get_config('theme_boost_union', 'mediumcontentmaxwidth').";\n";
}
// Set variables which are influenced by the h5pcontentmaxwidth setting.
if (get_config('theme_boost_union', 'h5pcontentmaxwidth')) {
$scss .= '$h5p-content-maxwidth: '.get_config('theme_boost_union', 'h5pcontentmaxwidth').";\n";
}
// Set variables which are influenced by the courseindexdrawerwidth setting.
if (get_config('theme_boost_union', 'courseindexdrawerwidth')) {
$scss .= '$drawer-width: '.get_config('theme_boost_union', 'courseindexdrawerwidth').";\n";
$scss .= '$drawer-left-width: '.get_config('theme_boost_union', 'courseindexdrawerwidth').";\n";
}
// Set variables which are influenced by the blockdrawerwidth setting.
if (get_config('theme_boost_union', 'blockdrawerwidth')) {
$scss .= '$drawer-right-width: '.get_config('theme_boost_union', 'blockdrawerwidth').";\n";
}
// Set custom Boost Union SCSS variable: The block region outside left width.
$blockregionoutsideleftwidth = get_config('theme_boost_union', 'blockregionoutsideleftwidth');
// If the setting is not set.
if (!$blockregionoutsideleftwidth) {
// Set the variable to the default setting to make sure that the SCSS variable does not remain uninitialized.
$blockregionoutsideleftwidth = '300px';
}
$scss .= '$blockregionoutsideleftwidth: '.$blockregionoutsideleftwidth.";\n";
// Set custom Boost Union SCSS variable: The block region outside left width.
$blockregionoutsiderightwidth = get_config('theme_boost_union', 'blockregionoutsiderightwidth');
// If the setting is not set.
if (!$blockregionoutsiderightwidth) {
// Set the variable to the default setting to make sure that the SCSS variable does not remain uninitialized.
$blockregionoutsiderightwidth = '300px';
}
$scss .= '$blockregionoutsiderightwidth: '.$blockregionoutsiderightwidth.";\n";
// Add custom Boost Union SCSS variable as goody for designers: $themerev.
$scss .= '$themerev: '.$CFG->themerev.";\n";
// Get and include the external Pre SCSS.
$scss .= theme_boost_union_get_external_scss('pre');
// Prepend pre-scss.
if (get_config('theme_boost_union', 'scsspre')) {
$scss .= get_config('theme_boost_union', 'scsspre');
}
return $scss;
}
/**
* Inject additional SCSS.
*
* @param theme_config $theme The theme config object.
* @return string
*/
function theme_boost_union_get_extra_scss($theme) {
global $CFG;
// Require the necessary libraries.
require_once($CFG->dirroot . '/course/lib.php');
// Initialize extra SCSS.
$content = '';
// You might think that this extra SCSS function is only called for the activated theme.
// However, due to the way how the theme_*_get_extra_scss callback functions are searched and called within Boost child theme
// hierarchy Boost Union not only gets the extra SCSS from this function here but only from theme_boost_get_extra_scss as well.
//
// There, the CSS snippets for the background image and the login background images are added already to the SCSS codebase.
// Additionally, the custom SCSS from $theme->settings->scss (which hits the SCSS settings from theme_boost_union even though
// the code is within theme_boost) is already added to the SCSS codebase as well.
//
// We have to accept this fact here and must not copy the code from theme_boost_get_extra_scss into this function.
// Instead, we must only add additionally CSS code which is based on any Boost Union-only functionality.
// In contrast to Boost core, Boost Union should add the login page background to the body element as well.
// Thus, check if a login background image is set.
$loginbackgroundimagepresent = get_config('theme_boost_union', 'loginbackgroundimage');
if (!empty($loginbackgroundimagepresent)) {
// We first have to revert the background which is set to #page on the login page by Boost core already.
// Doing this, we also have to make the background of the #page element transparent on the login page.
$content .= 'body.pagelayout-login #page { ';
$content .= "background-image: none !important;";
$content .= "background-color: transparent !important;";
$content .= '}';
// Afterwards, we set the background-size attribute for the body element again.
$content .= 'body.pagelayout-login { ';
$content .= "background-size: cover;";
$content .= '}';
// Finally, we add all possible background image urls which will be picked based on the (random) loginpageimage class.
$content .= theme_boost_union_get_loginbackgroundimage_scss();
}
// Boost core has the behaviour that the normal background image is not shown on the login page, only the login background image
// is shown on the login page.
// This is fine, but it is done improperly as the normal background image is still there on the login page and just overlaid
// with a grey color in the #page element. This can result in flickering during the page load.
// We try to avoid this by removing the background image from the body tag if no login background image is set.
if (empty($loginbackgroundimagepresent)) {
$content .= 'body.pagelayout-login { ';
$content .= "background-image: none !important;";
$content .= '}';
}
// If a login background image is present, we set its background image position.
if (!empty($loginbackgroundimagepresent)) {
$content .= 'body.pagelayout-login { ';
$content .= "background-position: ".get_config('theme_boost_union', 'loginbackgroundimageposition').";";
$content .= '}';
}
// And we set the normal background image position in any case.
$content .= 'body { ';
$content .= "background-position: ".get_config('theme_boost_union', 'backgroundimageposition').";";
// Lastly, we make sure that the (normal and login) background image is fixed and not repeated. Just to be sure.
$content .= "background-repeat: no-repeat;";
$content .= "background-attachment: fixed;";
$content .= '}';
// Note: Boost Union is also capable of overriding the background image in its flavours.
// In contrast to the other flavour assets like the favicon overriding, this isn't done here in place as this function
// is composing Moodle core CSS which has to remain flavour-independent.
// Instead, the flavour is overriding the background image later in flavours/styles.php.
// For the rest of this function, we add SCSS snippets to the SCSS stack based on enabled admin settings.
// This is done here as it is quite easy to do. As an alternative, it could also been done in post.scss by using
// SCSS variables with @if conditions and SCSS variables. However, we preferred to do it here in a single place.
// Setting: Activity icon purpose.
$content .= theme_boost_union_get_scss_for_activity_icon_purpose($theme);
// Setting: Mark external links.
$content .= theme_boost_union_get_scss_to_mark_external_links($theme);
// Setting: Mark mailto links.
$content .= theme_boost_union_get_scss_to_mark_mailto_links($theme);
// Setting: Mark broken links.
$content .= theme_boost_union_get_scss_to_mark_broken_links($theme);
// Setting: Course overview block.
$content .= theme_boost_union_get_scss_courseoverview_block($theme);
// Setting: Login order.
$content .= theme_boost_union_get_scss_login_order($theme);
return $content;
}
/**
* Get compiled css.
*
* @return string compiled css
*/
function theme_boost_union_get_precompiled_css() {
global $CFG;
// Get the fallback CSS file from Boost Core as long as Boost Union does not use a fallback file of its own.
return file_get_contents($CFG->dirroot . '/theme/boost/style/moodle.css');
}
/**
* Serves any files associated with the theme settings.
*
* @param stdClass $course
* @param stdClass $cm
* @param context $context
* @param string $filearea
* @param array $args
* @param bool $forcedownload
* @param array $options
* @return bool
*/
function theme_boost_union_pluginfile($course, $cm, $context, $filearea, $args, $forcedownload, array $options = []) {
global $CFG;
// Serve the (general) logo files or favicon file from the theme settings.
// This code is copied and modified from core_admin_pluginfile() in admin/lib.php.
if (in_array($filearea, ['logo', 'logocompact', 'favicon'])) {
$size = array_shift($args); // The path hides the size.
$itemid = clean_param(array_shift($args), PARAM_INT);
$filename = clean_param(array_shift($args), PARAM_FILE);
$themerev = theme_get_revision();
if ($themerev <= 0) {
// Normalise to 0 as -1 doesn't place well with paths.
$themerev = 0;
}
// Extract the requested width and height.
$maxwidth = 0;
$maxheight = 0;
if (preg_match('/^\d+x\d+$/', $size)) {
list($maxwidth, $maxheight) = explode('x', $size);
$maxwidth = clean_param($maxwidth, PARAM_INT);
$maxheight = clean_param($maxheight, PARAM_INT);
}
$lifetime = 0;
if ($itemid > 0 && $themerev == $itemid) {
// The itemid is $CFG->themerev, when 0 or less no caching. Also no caching when they don't match.
$lifetime = DAYSECS * 60;
}
// Anyone, including guests and non-logged in users, can view the logos.
$options = ['cacheability' => 'public'];
// Check if we've got a cached file to return. When lifetime is 0 then we don't want to cached one.
$candidate = $CFG->localcachedir . "/theme_boost_union/$themerev/$filearea/{$maxwidth}x{$maxheight}/$filename";
if (file_exists($candidate) && $lifetime > 0) {
send_file($candidate, $filename, $lifetime, 0, false, false, '', false, $options);
}
// Find the original file.
$fs = get_file_storage();
$filepath = "/{$context->id}/theme_boost_union/{$filearea}/0/{$filename}";
if (!$file = $fs->get_file_by_hash(sha1($filepath))) {
send_file_not_found();
}
// Check whether width/height are specified, and we can resize the image (some types such as ICO cannot be resized).
if (($maxwidth === 0 && $maxheight === 0) ||
!$filedata = $file->resize_image($maxwidth, $maxheight)) {
if ($lifetime) {
file_safe_save_content($file->get_content(), $candidate);
}
send_stored_file($file, $lifetime, 0, false, $options);
}
// If we don't want to cached the file, serve now and quit.
if (!$lifetime) {
send_content_uncached($filedata, $filename);
}
// Save, serve and quit.
file_safe_save_content($filedata, $candidate);
send_file($candidate, $filename, $lifetime, 0, false, false, '', false, $options);
// Serve all other (general) image and resource files from the theme settings.
// This code is copied and modified from theme_boost_pluginfile() in theme/boost/lib.php.
} else if ($context->contextlevel == CONTEXT_SYSTEM && ($filearea === 'backgroundimage' ||
$filearea === 'loginbackgroundimage' || $filearea === 'additionalresources' ||
$filearea === 'customfonts' || $filearea === 'courseheaderimagefallback' ||
$filearea === 'touchiconsios' ||
preg_match("/tilebackgroundimage[2-9]|1[0-2]?/", $filearea) ||
preg_match("/slidebackgroundimage[2-9]|1[0-2]?/", $filearea))) {
$theme = theme_config::load('boost_union');
// By default, theme files must be cache-able by both browsers and proxies.
if (!array_key_exists('cacheability', $options)) {
$options['cacheability'] = 'public';
}
return $theme->setting_file_serve($filearea, $args, $forcedownload, $options);
// Serve the files from the theme flavours.
} else if ($filearea === 'flavours_look_logocompact' || $filearea === 'flavours_look_logo' ||
$filearea === 'flavours_look_favicon' || $filearea === 'flavours_look_backgroundimage') {
// Flavour files should not be top secret.
// Even if they apply to particular contexts or cohorts, we do not do any hard checks if a user should be
// allowed to request a file.
// We just make sure that the forcelogin setting is respected. This is ok as there isn't any possibility
// to apply a flavour to the login page / for non-logged-in users at the moment.
if ($CFG->forcelogin) {
require_login();
}
// Get file storage.
$fs = get_file_storage();
// Get the file from the filestorage.
$filename = clean_param(array_pop($args), PARAM_FILE);
array_pop($args); // This is the themerev number in the $args array which is used for browser caching, here we ignore it.
$itemid = clean_param(array_pop($args), PARAM_INT);
if ((!$file = $fs->get_file($context->id, 'theme_boost_union', $filearea, $itemid, '/', $filename)) ||
$file->is_directory()) {
send_file_not_found();
}
// Unlock session during file serving.
\core\session\manager::write_close();
// Send stored file (and cache it for 90 days, similar to other static assets within Moodle).
send_stored_file($file, DAYSECS * 90, 0, $forcedownload, $options);
// Serve the files from the smart menu card images.
} else if ($filearea === 'smartmenus_itemimage' && $context->contextlevel === CONTEXT_SYSTEM) {
// Get file storage.
$fs = get_file_storage();
// Get the file from the filestorage.
$file = $fs->get_file($context->id, 'theme_boost_union', $filearea, $args[0], '/', $args[1]);
if (!$file) {
send_file_not_found();
}
// Send stored file (and cache it for 90 days, similar to other static assets within Moodle).
send_stored_file($file, DAYSECS * 90, 0, $forcedownload, $options);
} else {
send_file_not_found();
}
}
/**
* Callback to add head elements (for releases up to Moodle 4.3).
*
* @return string
*/
function theme_boost_union_before_standard_html_head() {
global $CFG;
// Require local library.
require_once($CFG->dirroot.'/theme/boost_union/locallib.php');
// Call and return callback implementation.
return theme_boost_union_callbackimpl_before_standard_html();
}
/**
* Fetches the list of icons and creates an icon suggestion list to be sent to a fragment.
*
* @param array $args An array of arguments.
* @return string The rendered HTML of the icon suggestion list.
*/
function theme_boost_union_output_fragment_icons_list($args) {
global $OUTPUT, $PAGE;
// Proceed only if a context was given as argument.
if ($args['context']) {
// Initialize rendered icon list.
$icons = [];
// Load the theme config.
$theme = \theme_config::load($PAGE->theme->name);
// Get the FA system.
$faiconsystem = \core\output\icon_system_fontawesome::instance($theme->get_icon_system());
// Get the icon list.
$iconlist = $faiconsystem->get_core_icon_map();
// Add an empty element to the beginning of the icon list.
array_unshift($iconlist, '');
// Iterate over the icons.
foreach ($iconlist as $iconkey => $icontxt) {
// Split the component from the icon key.
$icon = explode(':', $iconkey);
// Pick the icon key.
$iconstr = isset($icon[1]) ? $icon[1] : 'moodle';
// Pick the component.
$component = isset($icon[0]) ? $icon[0] : '';
// Render the pix icon.
$icon = new \pix_icon($iconstr, "", $component);
$icons[] = [
'icon' => $faiconsystem->render_pix_icon($OUTPUT, $icon),
'value' => $iconkey,
'label' => $icontxt,
];
}
// Return the rendered icon list.
return $OUTPUT->render_from_template('theme_boost_union/fontawesome-iconpicker-popover', ['options' => $icons]);
}
}
/**
* Define preferences which may be set via the core_user_set_user_preferences external function.
*
* @uses core_user::is_current_user
*
* @return array[]
*/
function theme_boost_union_user_preferences(): array {
// Build preferences array.
$preferences = [];
for ($i = 1; $i <= THEME_BOOST_UNION_SETTING_INFOBANNER_COUNT; $i++) {
$preferences['theme_boost_union_infobanner'.$i.'_dismissed'] = [
'type' => PARAM_INT,
'null' => NULL_NOT_ALLOWED,
'default' => 0,
'choices' => [0, 1],
'permissioncallback' => [core_user::class, 'is_current_user'],
];
}
return $preferences;
}
/**
* Returns the html for the starred courses popover menu.
*
* @return string
*/
function theme_boost_union_render_navbar_output() {
global $CFG;
// Require local library.
require_once($CFG->dirroot . '/theme/boost_union/locallib.php');
// Initialize the navbar content.
$content = '';
// Setting: Show starred courses popover in the navbar.
$content .= theme_boost_union_get_navbar_starredcoursespopover();
// Return.
return $content;
}