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renderer.php
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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/>.
/**
* Renderer for use with the badges output
*
* @package core
* @subpackage badges
* @copyright 2012 onwards Totara Learning Solutions Ltd {@link http://www.totaralms.com/}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @author Yuliya Bozhko <yuliya.bozhko@totaralms.com>
*/
require_once($CFG->libdir . '/badgeslib.php');
require_once($CFG->libdir . '/tablelib.php');
/**
* Standard HTML output renderer for badges
*/
class core_badges_renderer extends plugin_renderer_base {
// Outputs badges list.
public function print_badges_list($badges, $userid, $profile = false, $external = false) {
global $USER, $CFG;
foreach ($badges as $badge) {
if (!$external) {
$context = ($badge->type == BADGE_TYPE_SITE) ? context_system::instance() : context_course::instance($badge->courseid);
$bname = $badge->name;
$imageurl = moodle_url::make_pluginfile_url($context->id, 'badges', 'badgeimage', $badge->id, '/', 'f1', false);
} else {
$bname = s($badge->assertion->badge->name);
$imageurl = $badge->imageUrl;
}
$name = html_writer::tag('span', $bname, array('class' => 'badge-name'));
$image = html_writer::empty_tag('img', array('src' => $imageurl, 'class' => 'badge-image'));
if (!empty($badge->dateexpire) && $badge->dateexpire < time()) {
$image .= $this->output->pix_icon('i/expired',
get_string('expireddate', 'badges', userdate($badge->dateexpire)),
'moodle',
array('class' => 'expireimage'));
$name .= '(' . get_string('expired', 'badges') . ')';
}
$download = $status = $push = '';
if (($userid == $USER->id) && !$profile) {
$url = new moodle_url('mybadges.php', array('download' => $badge->id, 'hash' => $badge->uniquehash, 'sesskey' => sesskey()));
$notexpiredbadge = (empty($badge->dateexpire) || $badge->dateexpire > time());
$backpackexists = badges_user_has_backpack($USER->id);
if (!empty($CFG->badges_allowexternalbackpack) && $notexpiredbadge && $backpackexists) {
$assertion = new moodle_url('/badges/assertion.php', array('b' => $badge->uniquehash));
$action = new component_action('click', 'addtobackpack', array('assertion' => $assertion->out(false)));
$push = $this->output->action_icon(new moodle_url('#'), new pix_icon('t/backpack', get_string('addtobackpack', 'badges')), $action);
}
$download = $this->output->action_icon($url, new pix_icon('t/download', get_string('download')));
if ($badge->visible) {
$url = new moodle_url('mybadges.php', array('hide' => $badge->issuedid, 'sesskey' => sesskey()));
$status = $this->output->action_icon($url, new pix_icon('t/hide', get_string('makeprivate', 'badges')));
} else {
$url = new moodle_url('mybadges.php', array('show' => $badge->issuedid, 'sesskey' => sesskey()));
$status = $this->output->action_icon($url, new pix_icon('t/show', get_string('makepublic', 'badges')));
}
}
if (!$profile) {
$url = new moodle_url('badge.php', array('hash' => $badge->uniquehash));
} else {
if (!$external) {
$url = new moodle_url('/badges/badge.php', array('hash' => $badge->uniquehash));
} else {
$hash = hash('md5', $badge->hostedUrl);
$url = new moodle_url('/badges/external.php', array('hash' => $hash, 'user' => $userid));
}
}
$actions = html_writer::tag('div', $push . $download . $status, array('class' => 'badge-actions'));
$items[] = html_writer::link($url, $image . $actions . $name, array('title' => $bname));
}
return html_writer::alist($items, array('class' => 'badges'));
}
// Recipients selection form.
public function recipients_selection_form(user_selector_base $existinguc, user_selector_base $potentialuc) {
$output = '';
$formattributes = array();
$formattributes['id'] = 'recipientform';
$formattributes['action'] = $this->page->url;
$formattributes['method'] = 'post';
$output .= html_writer::start_tag('form', $formattributes);
$output .= html_writer::empty_tag('input', array('type' => 'hidden', 'name' => 'sesskey', 'value' => sesskey()));
$existingcell = new html_table_cell();
$existingcell->text = $existinguc->display(true);
$existingcell->attributes['class'] = 'existing';
$actioncell = new html_table_cell();
$actioncell->text = html_writer::start_tag('div', array());
$actioncell->text .= html_writer::empty_tag('input', array(
'type' => 'submit',
'name' => 'award',
'value' => $this->output->larrow() . ' ' . get_string('award', 'badges'),
'class' => 'actionbutton')
);
$actioncell->text .= html_writer::end_tag('div', array());
$actioncell->attributes['class'] = 'actions';
$potentialcell = new html_table_cell();
$potentialcell->text = $potentialuc->display(true);
$potentialcell->attributes['class'] = 'potential';
$table = new html_table();
$table->attributes['class'] = 'recipienttable boxaligncenter';
$table->data = array(new html_table_row(array($existingcell, $actioncell, $potentialcell)));
$output .= html_writer::table($table);
$output .= html_writer::end_tag('form');
return $output;
}
// Prints a badge overview infomation.
public function print_badge_overview($badge, $context) {
$display = "";
// Badge details.
$display .= $this->heading(get_string('badgedetails', 'badges'), 3);
$dl = array();
$dl[get_string('name')] = $badge->name;
$dl[get_string('description', 'badges')] = $badge->description;
$dl[get_string('createdon', 'search')] = userdate($badge->timecreated);
$dl[get_string('badgeimage', 'badges')] = print_badge_image($badge, $context, 'large');
$display .= $this->definition_list($dl);
// Issuer details.
$display .= $this->heading(get_string('issuerdetails', 'badges'), 3);
$dl = array();
$dl[get_string('issuername', 'badges')] = $badge->issuername;
$dl[get_string('contact', 'badges')] = html_writer::tag('a', $badge->issuercontact, array('href' => 'mailto:' . $badge->issuercontact));
$display .= $this->definition_list($dl);
// Issuance details if any.
$display .= $this->heading(get_string('issuancedetails', 'badges'), 3);
if ($badge->can_expire()) {
if ($badge->expiredate) {
$display .= get_string('expiredate', 'badges', userdate($badge->expiredate));
} else if ($badge->expireperiod) {
if ($badge->expireperiod < 60) {
$display .= get_string('expireperiods', 'badges', round($badge->expireperiod, 2));
} else if ($badge->expireperiod < 60 * 60) {
$display .= get_string('expireperiodm', 'badges', round($badge->expireperiod / 60, 2));
} else if ($badge->expireperiod < 60 * 60 * 24) {
$display .= get_string('expireperiodh', 'badges', round($badge->expireperiod / 60 / 60, 2));
} else {
$display .= get_string('expireperiod', 'badges', round($badge->expireperiod / 60 / 60 / 24, 2));
}
}
} else {
$display .= get_string('noexpiry', 'badges');
}
// Criteria details if any.
$display .= $this->heading(get_string('bcriteria', 'badges'), 3);
if ($badge->has_criteria()) {
$display .= self::print_badge_criteria($badge);
} else {
$display .= get_string('nocriteria', 'badges');
if (has_capability('moodle/badges:configurecriteria', $context)) {
$display .= $this->output->single_button(
new moodle_url('/badges/criteria.php', array('id' => $badge->id)),
get_string('addcriteria', 'badges'), 'POST', array('class' => 'activatebadge'));
}
}
// Awards details if any.
if (has_capability('moodle/badges:viewawarded', $context)) {
$display .= $this->heading(get_string('awards', 'badges'), 3);
if ($badge->has_awards()) {
$url = new moodle_url('/badges/recipients.php', array('id' => $badge->id));
$a = new stdClass();
$a->link = $url->out();
$a->count = count($badge->get_awards());
$display .= get_string('numawards', 'badges', $a);
} else {
$display .= get_string('noawards', 'badges');
}
if (has_capability('moodle/badges:awardbadge', $context) &&
$badge->has_manual_award_criteria() &&
$badge->is_active()) {
$display .= $this->output->single_button(
new moodle_url('/badges/award.php', array('id' => $badge->id)),
get_string('award', 'badges'), 'POST', array('class' => 'activatebadge'));
}
}
return html_writer::div($display, null, array('id' => 'badge-overview'));
}
// Prints action icons for the badge.
public function print_badge_table_actions($badge, $context) {
$actions = "";
if (has_capability('moodle/badges:configuredetails', $context) && $badge->has_criteria()) {
// Activate/deactivate badge.
if ($badge->status == BADGE_STATUS_INACTIVE || $badge->status == BADGE_STATUS_INACTIVE_LOCKED) {
// "Activate" will go to another page and ask for confirmation.
$url = new moodle_url('/badges/action.php');
$url->param('id', $badge->id);
$url->param('activate', true);
$url->param('sesskey', sesskey());
$return = new moodle_url(qualified_me());
$url->param('return', $return->out_as_local_url(false));
$actions .= $this->output->action_icon($url, new pix_icon('t/show', get_string('activate', 'badges'))) . " ";
} else {
$url = new moodle_url(qualified_me());
$url->param('lock', $badge->id);
$url->param('sesskey', sesskey());
$actions .= $this->output->action_icon($url, new pix_icon('t/hide', get_string('deactivate', 'badges'))) . " ";
}
}
// Award badge manually.
if ($badge->has_manual_award_criteria() &&
has_capability('moodle/badges:awardbadge', $context) &&
$badge->is_active()) {
$url = new moodle_url('/badges/award.php', array('id' => $badge->id));
$actions .= $this->output->action_icon($url, new pix_icon('t/award', get_string('award', 'badges'))) . " ";
}
// Edit badge.
if (has_capability('moodle/badges:configuredetails', $context)) {
$url = new moodle_url('/badges/edit.php', array('id' => $badge->id, 'action' => 'details'));
$actions .= $this->output->action_icon($url, new pix_icon('t/edit', get_string('edit'))) . " ";
}
// Duplicate badge.
if (has_capability('moodle/badges:createbadge', $context)) {
$url = new moodle_url('/badges/action.php', array('copy' => '1', 'id' => $badge->id, 'sesskey' => sesskey()));
$actions .= $this->output->action_icon($url, new pix_icon('t/copy', get_string('copy'))) . " ";
}
// Delete badge.
if (has_capability('moodle/badges:deletebadge', $context)) {
$url = new moodle_url(qualified_me());
$url->param('delete', $badge->id);
$actions .= $this->output->action_icon($url, new pix_icon('t/delete', get_string('delete'))) . " ";
}
return $actions;
}
// Outputs issued badge with actions available.
protected function render_issued_badge(issued_badge $ibadge) {
global $USER, $CFG, $DB, $SITE;
$issued = $ibadge->issued;
$userinfo = $ibadge->recipient;
$badgeclass = $ibadge->badgeclass;
$badge = new badge($ibadge->badgeid);
$now = time();
$expiration = isset($issued['expires']) ? $issued['expires'] : $now + 86400;
$output = '';
$output .= html_writer::start_tag('div', array('id' => 'badge'));
$output .= html_writer::start_tag('div', array('id' => 'badge-image'));
$output .= html_writer::empty_tag('img', array('src' => $badgeclass['image'], 'alt' => $badge->name));
if ($expiration < $now) {
$output .= $this->output->pix_icon('i/expired',
get_string('expireddate', 'badges', userdate($issued['expires'])),
'moodle',
array('class' => 'expireimage'));
}
if ($USER->id == $userinfo->id && !empty($CFG->enablebadges)) {
$output .= $this->output->single_button(
new moodle_url('/badges/badge.php', array('hash' => $issued['uid'], 'bake' => true)),
get_string('download'),
'POST');
if (!empty($CFG->badges_allowexternalbackpack) && ($expiration > $now) && badges_user_has_backpack($USER->id)) {
$assertion = new moodle_url('/badges/assertion.php', array('b' => $issued['uid']));
$action = new component_action('click', 'addtobackpack', array('assertion' => $assertion->out(false)));
$attributes = array(
'type' => 'button',
'id' => 'addbutton',
'value' => get_string('addtobackpack', 'badges'));
$tobackpack = html_writer::tag('input', '', $attributes);
$this->output->add_action_handler($action, 'addbutton');
$output .= $tobackpack;
}
}
$output .= html_writer::end_tag('div');
$output .= html_writer::start_tag('div', array('id' => 'badge-details'));
// Recipient information.
$output .= $this->output->heading(get_string('recipientdetails', 'badges'), 3);
$dl = array();
if ($userinfo->deleted) {
$strdata = new stdClass();
$strdata->user = fullname($userinfo);
$strdata->site = format_string($SITE->fullname, true, array('context' => context_system::instance()));
$dl[get_string('name')] = get_string('error:userdeleted', 'badges', $strdata);
} else {
$dl[get_string('name')] = fullname($userinfo);
}
$output .= $this->definition_list($dl);
$output .= $this->output->heading(get_string('issuerdetails', 'badges'), 3);
$dl = array();
$dl[get_string('issuername', 'badges')] = $badge->issuername;
if (isset($badge->issuercontact) && !empty($badge->issuercontact)) {
$dl[get_string('contact', 'badges')] = obfuscate_mailto($badge->issuercontact);
}
$output .= $this->definition_list($dl);
$output .= $this->output->heading(get_string('badgedetails', 'badges'), 3);
$dl = array();
$dl[get_string('name')] = $badge->name;
$dl[get_string('description', 'badges')] = $badge->description;
if ($badge->type == BADGE_TYPE_COURSE && isset($badge->courseid)) {
$coursename = $DB->get_field('course', 'fullname', array('id' => $badge->courseid));
$dl[get_string('course')] = $coursename;
}
$dl[get_string('bcriteria', 'badges')] = self::print_badge_criteria($badge);
$output .= $this->definition_list($dl);
$output .= $this->output->heading(get_string('issuancedetails', 'badges'), 3);
$dl = array();
$dl[get_string('dateawarded', 'badges')] = userdate($issued['issuedOn']);
if (isset($issued['expires'])) {
if ($issued['expires'] < $now) {
$dl[get_string('expirydate', 'badges')] = userdate($issued['expires']) . get_string('warnexpired', 'badges');
} else {
$dl[get_string('expirydate', 'badges')] = userdate($issued['expires']);
}
}
// Print evidence.
$agg = $badge->get_aggregation_methods();
$evidence = $badge->get_criteria_completions($userinfo->id);
$eids = array_map(create_function('$o', 'return $o->critid;'), $evidence);
unset($badge->criteria[BADGE_CRITERIA_TYPE_OVERALL]);
$items = array();
foreach ($badge->criteria as $type => $c) {
if (in_array($c->id, $eids)) {
if (count($c->params) == 1) {
$items[] = get_string('criteria_descr_single_' . $type , 'badges') . $c->get_details();
} else {
$items[] = get_string('criteria_descr_' . $type , 'badges',
core_text::strtoupper($agg[$badge->get_aggregation_method($type)])) . $c->get_details();
}
}
}
$dl[get_string('evidence', 'badges')] = get_string('completioninfo', 'badges') . html_writer::alist($items, array(), 'ul');
$output .= $this->definition_list($dl);
$output .= html_writer::end_tag('div');
return $output;
}
// Outputs external badge.
protected function render_external_badge(external_badge $ibadge) {
$issued = $ibadge->issued;
$assertion = $issued->assertion;
$issuer = $assertion->badge->issuer;
$userinfo = $ibadge->recipient;
$table = new html_table();
$today = strtotime(date('Y-m-d'));
$output = '';
$output .= html_writer::start_tag('div', array('id' => 'badge'));
$output .= html_writer::start_tag('div', array('id' => 'badge-image'));
$output .= html_writer::empty_tag('img', array('src' => $issued->imageUrl));
if (isset($assertion->expires)) {
$expiration = !strtotime($assertion->expires) ? s($assertion->expires) : strtotime($assertion->expires);
if ($expiration < $today) {
$output .= $this->output->pix_icon('i/expired',
get_string('expireddate', 'badges', userdate($expiration)),
'moodle',
array('class' => 'expireimage'));
}
}
$output .= html_writer::end_tag('div');
$output .= html_writer::start_tag('div', array('id' => 'badge-details'));
// Recipient information.
$output .= $this->output->heading(get_string('recipientdetails', 'badges'), 3);
$dl = array();
// Technically, we should alway have a user at this point, but added an extra check just in case.
if ($userinfo) {
if (!$ibadge->valid) {
$notify = $this->output->notification(get_string('recipientvalidationproblem', 'badges'), 'notifynotice');
$dl[get_string('name')] = fullname($userinfo) . $notify;
} else {
$dl[get_string('name')] = fullname($userinfo);
}
} else {
$notify = $this->output->notification(get_string('recipientidentificationproblem', 'badges'), 'notifynotice');
$dl[get_string('name')] = $notify;
}
$output .= $this->definition_list($dl);
$output .= $this->output->heading(get_string('issuerdetails', 'badges'), 3);
$dl = array();
$dl[get_string('issuername', 'badges')] = s($issuer->name);
$dl[get_string('issuerurl', 'badges')] = html_writer::tag('a', $issuer->origin, array('href' => $issuer->origin));
if (isset($issuer->contact)) {
$dl[get_string('contact', 'badges')] = obfuscate_mailto($issuer->contact);
}
$output .= $this->definition_list($dl);
$output .= $this->output->heading(get_string('badgedetails', 'badges'), 3);
$dl = array();
$dl[get_string('name')] = s($assertion->badge->name);
$dl[get_string('description', 'badges')] = s($assertion->badge->description);
$dl[get_string('bcriteria', 'badges')] = html_writer::tag('a', s($assertion->badge->criteria), array('href' => $assertion->badge->criteria));
$output .= $this->definition_list($dl);
$output .= $this->output->heading(get_string('issuancedetails', 'badges'), 3);
$dl = array();
if (isset($assertion->issued_on)) {
$issuedate = !strtotime($assertion->issued_on) ? s($assertion->issued_on) : strtotime($assertion->issued_on);
$dl[get_string('dateawarded', 'badges')] = userdate($issuedate);
}
if (isset($assertion->expires)) {
if ($expiration < $today) {
$dl[get_string('expirydate', 'badges')] = userdate($expiration) . get_string('warnexpired', 'badges');
} else {
$dl[get_string('expirydate', 'badges')] = userdate($expiration);
}
}
if (isset($assertion->evidence)) {
$dl[get_string('evidence', 'badges')] = html_writer::tag('a', s($assertion->evidence), array('href' => $assertion->evidence));
}
$output .= $this->definition_list($dl);
$output .= html_writer::end_tag('div');
return $output;
}
// Displays the user badges.
protected function render_badge_user_collection(badge_user_collection $badges) {
global $CFG, $USER, $SITE;
$backpack = $badges->backpack;
$mybackpack = new moodle_url('/badges/mybackpack.php');
$paging = new paging_bar($badges->totalcount, $badges->page, $badges->perpage, $this->page->url, 'page');
$htmlpagingbar = $this->render($paging);
// Set backpack connection string.
$backpackconnect = '';
if (!empty($CFG->badges_allowexternalbackpack) && is_null($backpack)) {
$backpackconnect = $this->output->box(get_string('localconnectto', 'badges', $mybackpack->out()), 'noticebox');
}
// Search box.
$searchform = $this->output->box($this->helper_search_form($badges->search), 'boxwidthwide boxaligncenter');
// Download all button.
$downloadall = $this->output->single_button(
new moodle_url('/badges/mybadges.php', array('downloadall' => true, 'sesskey' => sesskey())),
get_string('downloadall'), 'POST', array('class' => 'activatebadge'));
// Local badges.
$localhtml = html_writer::start_tag('div', array('id' => 'issued-badge-table', 'class' => 'generalbox'));
$heading = get_string('localbadges', 'badges', format_string($SITE->fullname, true, array('context' => context_system::instance())));
$localhtml .= $this->output->heading_with_help($heading, 'localbadgesh', 'badges');
if ($badges->badges) {
$downloadbutton = $this->output->heading(get_string('badgesearned', 'badges', $badges->totalcount), 4, 'activatebadge');
$downloadbutton .= $downloadall;
$htmllist = $this->print_badges_list($badges->badges, $USER->id);
$localhtml .= $backpackconnect . $downloadbutton . $searchform . $htmlpagingbar . $htmllist . $htmlpagingbar;
} else {
$localhtml .= $searchform . $this->output->notification(get_string('nobadges', 'badges'));
}
$localhtml .= html_writer::end_tag('div');
// External badges.
$externalhtml = "";
if (!empty($CFG->badges_allowexternalbackpack)) {
$externalhtml .= html_writer::start_tag('div', array('class' => 'generalbox'));
$externalhtml .= $this->output->heading_with_help(get_string('externalbadges', 'badges'), 'externalbadges', 'badges');
if (!is_null($backpack)) {
if ($backpack->totalcollections == 0) {
$externalhtml .= get_string('nobackpackcollections', 'badges', $backpack);
} else {
if ($backpack->totalbadges == 0) {
$externalhtml .= get_string('nobackpackbadges', 'badges', $backpack);
} else {
$externalhtml .= get_string('backpackbadges', 'badges', $backpack);
$externalhtml .= '<br/><br/>' . $this->print_badges_list($backpack->badges, $USER->id, true, true);
}
}
} else {
$externalhtml .= get_string('externalconnectto', 'badges', $mybackpack->out());
}
$externalhtml .= html_writer::end_tag('div');
}
return $localhtml . $externalhtml;
}
// Displays the available badges.
protected function render_badge_collection(badge_collection $badges) {
$paging = new paging_bar($badges->totalcount, $badges->page, $badges->perpage, $this->page->url, 'page');
$htmlpagingbar = $this->render($paging);
$table = new html_table();
$table->attributes['class'] = 'collection';
$sortbyname = $this->helper_sortable_heading(get_string('name'),
'name', $badges->sort, $badges->dir);
$sortbyawarded = $this->helper_sortable_heading(get_string('awardedtoyou', 'badges'),
'dateissued', $badges->sort, $badges->dir);
$table->head = array(
get_string('badgeimage', 'badges'),
$sortbyname,
get_string('description', 'badges'),
get_string('bcriteria', 'badges'),
$sortbyawarded
);
$table->colclasses = array('badgeimage', 'name', 'description', 'criteria', 'awards');
foreach ($badges->badges as $badge) {
$badgeimage = print_badge_image($badge, $this->page->context, 'large');
$name = $badge->name;
$description = $badge->description;
$criteria = self::print_badge_criteria($badge);
if ($badge->dateissued) {
$icon = new pix_icon('i/valid',
get_string('dateearned', 'badges',
userdate($badge->dateissued, get_string('strftimedatefullshort', 'core_langconfig'))));
$badgeurl = new moodle_url('/badges/badge.php', array('hash' => $badge->uniquehash));
$awarded = $this->output->action_icon($badgeurl, $icon, null, null, true);
} else {
$awarded = "";
}
$row = array($badgeimage, $name, $description, $criteria, $awarded);
$table->data[] = $row;
}
$htmltable = html_writer::table($table);
return $htmlpagingbar . $htmltable . $htmlpagingbar;
}
// Outputs table of badges with actions available.
protected function render_badge_management(badge_management $badges) {
$paging = new paging_bar($badges->totalcount, $badges->page, $badges->perpage, $this->page->url, 'page');
// New badge button.
$htmlnew = '';
if (has_capability('moodle/badges:createbadge', $this->page->context)) {
$n['type'] = $this->page->url->get_param('type');
$n['id'] = $this->page->url->get_param('id');
$htmlnew = $this->output->single_button(new moodle_url('newbadge.php', $n), get_string('newbadge', 'badges'));
}
$htmlpagingbar = $this->render($paging);
$table = new html_table();
$table->attributes['class'] = 'collection';
$sortbyname = $this->helper_sortable_heading(get_string('name'),
'name', $badges->sort, $badges->dir);
$sortbystatus = $this->helper_sortable_heading(get_string('status', 'badges'),
'status', $badges->sort, $badges->dir);
$table->head = array(
$sortbyname,
$sortbystatus,
get_string('bcriteria', 'badges'),
get_string('awards', 'badges'),
get_string('actions')
);
$table->colclasses = array('name', 'status', 'criteria', 'awards', 'actions');
foreach ($badges->badges as $b) {
$style = !$b->is_active() ? array('class' => 'dimmed') : array();
$forlink = print_badge_image($b, $this->page->context) . ' ' .
html_writer::start_tag('span') . $b->name . html_writer::end_tag('span');
$name = html_writer::link(new moodle_url('/badges/overview.php', array('id' => $b->id)), $forlink, $style);
$status = $b->statstring;
$criteria = self::print_badge_criteria($b, 'short');
if (has_capability('moodle/badges:viewawarded', $this->page->context)) {
$awards = html_writer::link(new moodle_url('/badges/recipients.php', array('id' => $b->id)), $b->awards);
} else {
$awards = $b->awards;
}
$actions = self::print_badge_table_actions($b, $this->page->context);
$row = array($name, $status, $criteria, $awards, $actions);
$table->data[] = $row;
}
$htmltable = html_writer::table($table);
return $htmlnew . $htmlpagingbar . $htmltable . $htmlpagingbar;
}
// Prints tabs for badge editing.
public function print_badge_tabs($badgeid, $context, $current = 'overview') {
global $DB;
$row = array();
$row[] = new tabobject('overview',
new moodle_url('/badges/overview.php', array('id' => $badgeid)),
get_string('boverview', 'badges')
);
if (has_capability('moodle/badges:configuredetails', $context)) {
$row[] = new tabobject('details',
new moodle_url('/badges/edit.php', array('id' => $badgeid, 'action' => 'details')),
get_string('bdetails', 'badges')
);
}
if (has_capability('moodle/badges:configurecriteria', $context)) {
$row[] = new tabobject('criteria',
new moodle_url('/badges/criteria.php', array('id' => $badgeid)),
get_string('bcriteria', 'badges')
);
}
if (has_capability('moodle/badges:configuremessages', $context)) {
$row[] = new tabobject('message',
new moodle_url('/badges/edit.php', array('id' => $badgeid, 'action' => 'message')),
get_string('bmessage', 'badges')
);
}
if (has_capability('moodle/badges:viewawarded', $context)) {
$awarded = $DB->count_records_sql('SELECT COUNT(b.userid)
FROM {badge_issued} b INNER JOIN {user} u ON b.userid = u.id
WHERE b.badgeid = :badgeid AND u.deleted = 0', array('badgeid' => $badgeid));
$row[] = new tabobject('awards',
new moodle_url('/badges/recipients.php', array('id' => $badgeid)),
get_string('bawards', 'badges', $awarded)
);
}
echo $this->tabtree($row, $current);
}
/**
* Prints badge status box.
* @return Either the status box html as a string or null
*/
public function print_badge_status_box(badge $badge) {
if (has_capability('moodle/badges:configurecriteria', $badge->get_context())) {
if (!$badge->has_criteria()) {
$criteriaurl = new moodle_url('/badges/criteria.php', array('id' => $badge->id));
$status = get_string('nocriteria', 'badges');
if ($this->page->url != $criteriaurl) {
$action = $this->output->single_button(
$criteriaurl,
get_string('addcriteria', 'badges'), 'POST', array('class' => 'activatebadge'));
} else {
$action = '';
}
$message = $status . $action;
} else {
$status = get_string('statusmessage_' . $badge->status, 'badges');
if ($badge->is_active()) {
$action = $this->output->single_button(new moodle_url('/badges/action.php',
array('id' => $badge->id, 'lock' => 1, 'sesskey' => sesskey(),
'return' => $this->page->url->out_as_local_url(false))),
get_string('deactivate', 'badges'), 'POST', array('class' => 'activatebadge'));
} else {
$action = $this->output->single_button(new moodle_url('/badges/action.php',
array('id' => $badge->id, 'activate' => 1, 'sesskey' => sesskey(),
'return' => $this->page->url->out_as_local_url(false))),
get_string('activate', 'badges'), 'POST', array('class' => 'activatebadge'));
}
$message = $status . $this->output->help_icon('status', 'badges') . $action;
}
$style = $badge->is_active() ? 'generalbox statusbox active' : 'generalbox statusbox inactive';
return $this->output->box($message, $style);
}
return null;
}
/**
* Returns information about badge criteria in a list form.
*
* @param badge $badge Badge objects
* @param string $short Indicates whether to print full info about this badge
* @return string $output HTML string to output
*/
public function print_badge_criteria(badge $badge, $short = '') {
$agg = $badge->get_aggregation_methods();
if (empty($badge->criteria)) {
return get_string('nocriteria', 'badges');
}
$overalldescr = '';
$overall = $badge->criteria[BADGE_CRITERIA_TYPE_OVERALL];
if (!$short && !empty($overall->description)) {
$overalldescr = $this->output->box(
format_text($overall->description, $overall->descriptionformat, array('context' => $badge->get_context())),
'criteria-description'
);
}
// Get the condition string.
if (count($badge->criteria) == 2) {
$condition = '';
if (!$short) {
$condition = get_string('criteria_descr', 'badges');
}
} else {
$condition = get_string('criteria_descr_' . $short . BADGE_CRITERIA_TYPE_OVERALL, 'badges',
core_text::strtoupper($agg[$badge->get_aggregation_method()]));
}
unset($badge->criteria[BADGE_CRITERIA_TYPE_OVERALL]);
$items = array();
// If only one criterion left, make sure its description goe to the top.
if (count($badge->criteria) == 1) {
$c = reset($badge->criteria);
if (!$short && !empty($c->description)) {
$overalldescr = $this->output->box(
format_text($c->description, $c->descriptionformat, array('context' => $badge->get_context())),
'criteria-description'
);
}
if (count($c->params) == 1) {
$items[] = get_string('criteria_descr_single_' . $short . $c->criteriatype , 'badges') .
$c->get_details($short);
} else {
$items[] = get_string('criteria_descr_' . $short . $c->criteriatype, 'badges',
core_text::strtoupper($agg[$badge->get_aggregation_method($c->criteriatype)])) .
$c->get_details($short);
}
} else {
foreach ($badge->criteria as $type => $c) {
$criteriadescr = '';
if (!$short && !empty($c->description)) {
$criteriadescr = $this->output->box(
format_text($c->description, $c->descriptionformat, array('context' => $badge->get_context())),
'criteria-description'
);
}
if (count($c->params) == 1) {
$items[] = get_string('criteria_descr_single_' . $short . $type , 'badges') .
$c->get_details($short) . $criteriadescr;
} else {
$items[] = get_string('criteria_descr_' . $short . $type , 'badges',
core_text::strtoupper($agg[$badge->get_aggregation_method($type)])) .
$c->get_details($short) .
$criteriadescr;
}
}
}
return $overalldescr . $condition . html_writer::alist($items, array(), 'ul');;
}
// Prints criteria actions for badge editing.
public function print_criteria_actions(badge $badge) {
$output = '';
if (!$badge->is_active() && !$badge->is_locked()) {
$accepted = $badge->get_accepted_criteria();
$potential = array_diff($accepted, array_keys($badge->criteria));
if (!empty($potential)) {
foreach ($potential as $p) {
if ($p != 0) {
$select[$p] = get_string('criteria_' . $p, 'badges');
}
}
$output .= $this->output->single_select(
new moodle_url('/badges/criteria_settings.php', array('badgeid' => $badge->id, 'add' => true)),
'type',
$select,
'',
array('' => 'choosedots'),
null,
array('label' => get_string('addbadgecriteria', 'badges'))
);
} else {
$output .= $this->output->box(get_string('nothingtoadd', 'badges'), 'clearfix');
}
}
return $output;
}
// Renders a table with users who have earned the badge.
// Based on stamps collection plugin.
protected function render_badge_recipients(badge_recipients $recipients) {
$paging = new paging_bar($recipients->totalcount, $recipients->page, $recipients->perpage, $this->page->url, 'page');
$htmlpagingbar = $this->render($paging);
$table = new html_table();
$table->attributes['class'] = 'generaltable boxaligncenter boxwidthwide';
$sortbyfirstname = $this->helper_sortable_heading(get_string('firstname'),
'firstname', $recipients->sort, $recipients->dir);
$sortbylastname = $this->helper_sortable_heading(get_string('lastname'),
'lastname', $recipients->sort, $recipients->dir);
if ($this->helper_fullname_format() == 'lf') {
$sortbyname = $sortbylastname . ' / ' . $sortbyfirstname;
} else {
$sortbyname = $sortbyfirstname . ' / ' . $sortbylastname;
}
$sortbydate = $this->helper_sortable_heading(get_string('dateawarded', 'badges'),
'dateissued', $recipients->sort, $recipients->dir);
$table->head = array($sortbyname, $sortbydate, '');
foreach ($recipients->userids as $holder) {
$fullname = fullname($holder);
$fullname = html_writer::link(
new moodle_url('/user/profile.php', array('id' => $holder->userid)),
$fullname
);
$awarded = userdate($holder->dateissued);
$badgeurl = html_writer::link(
new moodle_url('/badges/badge.php', array('hash' => $holder->uniquehash)),
get_string('viewbadge', 'badges')
);
$row = array($fullname, $awarded, $badgeurl);
$table->data[] = $row;
}
$htmltable = html_writer::table($table);
return $htmlpagingbar . $htmltable . $htmlpagingbar;
}
////////////////////////////////////////////////////////////////////////////
// Helper methods
// Reused from stamps collection plugin
////////////////////////////////////////////////////////////////////////////
/**
* Renders a text with icons to sort by the given column
*
* This is intended for table headings.
*
* @param string $text The heading text
* @param string $sortid The column id used for sorting
* @param string $sortby Currently sorted by (column id)
* @param string $sorthow Currently sorted how (ASC|DESC)
*
* @return string
*/
protected function helper_sortable_heading($text, $sortid = null, $sortby = null, $sorthow = null) {
$out = html_writer::tag('span', $text, array('class' => 'text'));
if (!is_null($sortid)) {
if ($sortby !== $sortid || $sorthow !== 'ASC') {
$url = new moodle_url($this->page->url);
$url->params(array('sort' => $sortid, 'dir' => 'ASC'));
$out .= $this->output->action_icon($url,
new pix_icon('t/sort_asc', get_string('sortbyx', 'core', s($text)), null, array('class' => 'iconsort')));
}
if ($sortby !== $sortid || $sorthow !== 'DESC') {
$url = new moodle_url($this->page->url);
$url->params(array('sort' => $sortid, 'dir' => 'DESC'));
$out .= $this->output->action_icon($url,
new pix_icon('t/sort_desc', get_string('sortbyxreverse', 'core', s($text)), null, array('class' => 'iconsort')));
}
}
return $out;
}
/**
* Tries to guess the fullname format set at the site
*
* @return string fl|lf
*/
protected function helper_fullname_format() {
$fake = new stdClass();
$fake->lastname = 'LLLL';
$fake->firstname = 'FFFF';
$fullname = get_string('fullnamedisplay', '', $fake);
if (strpos($fullname, 'LLLL') < strpos($fullname, 'FFFF')) {
return 'lf';
} else {
return 'fl';
}
}
/**
* Renders a search form
*
* @param string $search Search string
* @return string HTML
*/
protected function helper_search_form($search) {
global $CFG;
require_once($CFG->libdir . '/formslib.php');
$mform = new MoodleQuickForm('searchform', 'POST', $this->page->url);
$mform->addElement('hidden', 'sesskey', sesskey());
$el[] = $mform->createElement('text', 'search', get_string('search'), array('size' => 20));
$mform->setDefault('search', $search);
$el[] = $mform->createElement('submit', 'submitsearch', get_string('search'));
$el[] = $mform->createElement('submit', 'clearsearch', get_string('clear'));
$mform->addGroup($el, 'searchgroup', get_string('searchname', 'badges'), ' ', false);
ob_start();
$mform->display();
$out = ob_get_clean();
return $out;
}
/**
* Renders a definition list
*
* @param array $items the list of items to define
* @param array
*/
protected function definition_list(array $items, array $attributes = array()) {
$output = html_writer::start_tag('dl', $attributes);
foreach ($items as $label => $value) {
$output .= html_writer::tag('dt', $label);
$output .= html_writer::tag('dd', $value);
}
$output .= html_writer::end_tag('dl');
return $output;
}
}
/**
* An issued badges for badge.php page
*/
class issued_badge implements renderable {
/** @var issued badge */
public $issued;
/** @var badge recipient */
public $recipient;
/** @var badge class */
public $badgeclass;
/** @var badge visibility to others */
public $visible = 0;
/** @var badge class */
public $badgeid = 0;
/**
* Initializes the badge to display
*
* @param string $hash Issued badge hash
*/
public function __construct($hash) {
global $DB;
$assertion = new core_badges_assertion($hash);
$this->issued = $assertion->get_badge_assertion();
$this->badgeclass = $assertion->get_badge_class();
$rec = $DB->get_record_sql('SELECT userid, visible, badgeid
FROM {badge_issued}
WHERE ' . $DB->sql_compare_text('uniquehash', 40) . ' = ' . $DB->sql_compare_text(':hash', 40),
array('hash' => $hash), IGNORE_MISSING);
if ($rec) {
// Get a recipient from database.
$namefields = get_all_user_name_fields(true, 'u');
$user = $DB->get_record_sql("SELECT u.id, $namefields, u.deleted, u.email
FROM {user} u WHERE u.id = :userid", array('userid' => $rec->userid));
$this->recipient = $user;
$this->visible = $rec->visible;
$this->badgeid = $rec->badgeid;
}
}
}