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category.php
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category.php
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<?php
// This file is part of Exabis Eportfolio (extension for Moodle)
//
// 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/>.
// (c) 2016 GTN - Global Training Network GmbH <[email protected]>.
require_once(__DIR__.'/inc.php');
$courseid = optional_param('courseid', 0, PARAM_INT);
require_login($courseid);
block_exaport_setup_default_categories();
$url = '/blocks/exaport/category.php';
$PAGE->set_url($url, ['courseid' => $courseid,
'action' => optional_param('action', '', PARAM_ALPHA),
'id' => optional_param('id', '', PARAM_INT)]);
// Get userlist for sharing category.
if (optional_param('action', '', PARAM_ALPHA) == 'userlist') {
echo json_encode(exaport_get_shareable_courses_with_users(''));
exit;
}
// Get grouplist for sharing category.
if (optional_param('action', '', PARAM_ALPHA) == 'grouplist') {
$id = required_param('id', PARAM_INT);
$category = $DB->get_record("block_exaportcate", array(
'id' => $id,
'userid' => $USER->id
));
if (!$category) {
throw new \block_exaport\moodle_exception('category_not_found');
}
$groupgroups = block_exaport_get_shareable_groups_for_json();
foreach ($groupgroups as $groupgroup) {
foreach ($groupgroup->groups as $group) {
$group->shared_to = $DB->record_exists('block_exaportcatgroupshar', [
'catid' => $category->id,
'groupid' => $group->id
]);
}
}
echo json_encode($groupgroups);
exit;
}
if (optional_param('action', '', PARAM_ALPHA) == 'addstdcat') {
block_exaport_import_categories('lang_categories');
redirect('view_items.php?courseid='.$courseid);
}
if (optional_param('action', '', PARAM_ALPHA) == 'movetocategory') {
confirm_sesskey();
$category = $DB->get_record("block_exaportcate", array(
'id' => required_param('id', PARAM_INT),
'userid' => $USER->id
));
if (!$category) {
die(block_exaport_get_string('category_not_found'));
}
if (!$targetcategory = block_exaport_get_category(required_param('categoryid', PARAM_INT))) {
die('target category not found');
}
$DB->update_record('block_exaportcate', (object) array(
'id' => $category->id,
'pid' => $targetcategory->id
));
echo 'ok';
exit;
}
if (optional_param('action', '', PARAM_ALPHA) == 'delete') {
$id = required_param('id', PARAM_INT);
$category = $DB->get_record("block_exaportcate", array(
'id' => $id,
'userid' => $USER->id
));
if (!$category) {
throw new \block_exaport\moodle_exception('category_not_found');
}
if (optional_param('confirm', 0, PARAM_INT)) {
confirm_sesskey();
function block_exaport_recursive_delete_category($id) {
global $DB;
// Delete subcategories.
if ($entries = $DB->get_records('block_exaportcate', array("pid" => $id))) {
foreach ($entries as $entry) {
block_exaport_recursive_delete_category($entry->id);
}
}
$DB->delete_records('block_exaportcate', array('pid' => $id));
// Delete itemsharing.
if ($entries = $DB->get_records('block_exaportitem', array("categoryid" => $id))) {
foreach ($entries as $entry) {
$DB->delete_records('block_exaportitemshar', array('itemid' => $entry->id));
}
}
// Delete items.
$DB->delete_records('block_exaportitem', array('categoryid' => $id));
}
block_exaport_recursive_delete_category($category->id);
if (!$DB->delete_records('block_exaportcate', array('id' => $category->id))) {
$message = "Could not delete your record";
} else {
block_exaport_add_to_log($courseid, "bookmark", "delete category", "", $category->id);
redirect('view_items.php?courseid='.$courseid.'&categoryid='.$category->pid);
}
}
$optionsyes = array('action' => 'delete', 'courseid' => $courseid, 'confirm' => 1, 'sesskey' => sesskey(), 'id' => $id);
$optionsno = array(
'courseid' => $courseid,
'categoryid' => optional_param('back', '', PARAM_TEXT) == 'same' ? $category->id : $category->pid
);
$strbookmarks = get_string("myportfolio", "block_exaport");
$strcat = get_string("categories", "block_exaport");
block_exaport_print_header("myportfolio");
echo '<br />';
echo $OUTPUT->confirm(get_string("deletecategoryconfirm", "block_exaport", $category),
new moodle_url('category.php', $optionsyes),
new moodle_url('view_items.php', $optionsno));
echo block_exaport_wrapperdivend();
$OUTPUT->footer();
exit;
}
require_once("$CFG->libdir/formslib.php");
class simplehtml_form extends block_exaport_moodleform {
// Add elements to form.
public function definition() {
global $CFG;
global $DB;
global $USER;
$id = optional_param('id', 0, PARAM_INT);
$category = $DB->get_record_sql('
SELECT c.id, c.name, c.pid, c.internshare, c.shareall, c.iconmerge
FROM {block_exaportcate} c
WHERE c.userid = ? AND id = ?
', array($USER->id, $id));
if (!$category) {
$category = new stdClass;
$category->shareall = 0;
$category->id = 0;
$category->iconmerge = 0;
};
// Don't forget the underscore!
$mform = $this->_form;
$mform->addElement('hidden', 'id');
$mform->setType('id', PARAM_INT);
$mform->addElement('hidden', 'pid');
$mform->setType('pid', PARAM_INT);
$mform->addElement('hidden', 'courseid');
$mform->setType('courseid', PARAM_INT);
$mform->addElement('hidden', 'back');
$mform->setType('back', PARAM_TEXT);
$mform->addElement('text', 'name', get_string('name'));
$mform->setType('name', PARAM_TEXT);
$mform->addRule('name', block_exaport_get_string('titlenotemtpy'), 'required', null, 'client');
$mform->add_exaport_help_button('name', 'forms.category.name');
$mform->addElement('filemanager',
'iconfile',
get_string('iconfile', 'block_exaport'),
null,
array('subdirs' => false,
'maxfiles' => 1,
'maxbytes' => $CFG->block_exaport_max_uploadfile_size,
'accepted_types' => array('image', 'web_image')));
$mform->add_exaport_help_button('iconfile', 'forms.category.iconfile');
// if (extension_loaded('gd') && function_exists('gd_info')) {
// changed into Fontawesome and Javascript
$mform->addElement('advcheckbox',
'iconmerge',
get_string('iconfile_merge', 'block_exaport'),
get_string('iconfile_merge_description', 'block_exaport'),
array('group' => 1),
array(0, 1));
$mform->add_exaport_help_button('iconmerge', 'forms.category.iconmerge');
// };
// Sharing.
if (has_capability('block/exaport:shareintern', context_system::instance())) {
$mform->addElement('checkbox', 'internshare', get_string('share', 'block_exaport'));
$mform->setType('internshare', PARAM_INT);
$mform->add_exaport_help_button('internshare', 'forms.category.internshare');
$mform->addElement('html', '<div id="internaccess-settings" class="fitem"">'.
'<div class="fitemtitle"></div><div class="felement">');
$mform->addElement('html', '<div style="padding: 4px 0;"><table width=100%>');
// Share to all.
if (block_exaport_shareall_enabled()) {
$mform->addElement('html', '<tr><td>');
$mform->addElement('html', '<input type="radio" name="shareall" value="1"'.
($category->shareall == 1 ? ' checked="checked"' : '').'/>');
$mform->addElement('html', '</td><td>'.get_string('internalaccessall', 'block_exaport').'</td></tr>');
$mform->setType('shareall', PARAM_INT);
$mform->addElement('html', '</td></tr>');
}
// Share to users.
$mform->addElement('html', '<tr><td>');
$mform->addElement('html', '<input type="radio" name="shareall" value="0"'.
(!$category->shareall ? ' checked="checked"' : '').'/>');
$mform->addElement('html', '</td><td>'.get_string('internalaccessusers', 'block_exaport').'</td></tr>');
$mform->addElement('html', '</td></tr>');
if ($category->id > 0) {
$sharedusers = $DB->get_records_menu('block_exaportcatshar',
array("catid" => $category->id),
null,
'userid, userid AS tmp');
$mform->addElement('html', '<script> var sharedusersarr = [];');
foreach ($sharedusers as $i => $user) {
$mform->addElement('html', 'sharedusersarr['.$i.'] = '.$user.';');
}
$mform->addElement('html', '</script>');
}
$mform->addElement('html', '<tr id="internaccess-users"><td></td>'.
'<td><div id="sharing-userlist">userlist</div></td></tr>');
// Share to groups.
$mform->addElement('html', '<tr><td>');
$mform->addElement('html', '<input type="radio" name="shareall" value="2"'.
($category->shareall == 2 ? ' checked="checked"' : '').'/>');
$mform->addElement('html', '</td><td>'.get_string('internalaccessgroups', 'block_exaport').'</td></tr>');
$mform->addElement('html', '</td></tr>');
$mform->addElement('html', '<tr id="internaccess-groups"><td></td>'.
'<td><div id="sharing-grouplist">grouplist</div></td></tr>');
$mform->addElement('html', '</table></div>');
$mform->addElement('html', '</div></div>');
};
$this->add_action_buttons();
}
// Custom validation should be added here.
public function validation($data, $files) {
return array();
}
}
// Instantiate simplehtml_form.
$mform = new simplehtml_form(null, null, 'post', '', ['id' => 'categoryform']);
// Form processing and displaying is done here.
if ($mform->is_cancelled()) {
$same = optional_param('back', '', PARAM_TEXT);
$id = optional_param('id', 0, PARAM_INT);
$pid = optional_param('pid', 0, PARAM_INT);
redirect('view_items.php?courseid='.$courseid.'&categoryid='.($same == 'same' ? $id : $pid));
} else if ($newentry = $mform->get_data()) {
require_sesskey();
$newentry->userid = $USER->id;
$newentry->shareall = optional_param('shareall', 0, PARAM_INT);
if (optional_param('internshare', 0, PARAM_INT) > 0) {
$newentry->internshare = optional_param('internshare', 0, PARAM_INT);
} else {
$newentry->internshare = 0;
}
if ($newentry->id) {
$DB->update_record("block_exaportcate", $newentry);
} else {
$newentry->id = $DB->insert_record("block_exaportcate", $newentry);
}
// Delete all shared users.
$DB->delete_records("block_exaportcatshar", array('catid' => $newentry->id));
// Add new shared users.
if ($newentry->internshare && !$newentry->shareall) {
$shareusers = \block_exaport\param::optional_array('shareusers', PARAM_INT);
foreach ($shareusers as $shareuser) {
$shareuser = clean_param($shareuser, PARAM_INT);
$shareitem = new stdClass();
$shareitem->catid = $newentry->id;
$shareitem->userid = $shareuser;
$DB->insert_record("block_exaportcatshar", $shareitem);
};
};
// Delete all shared groups.
$DB->delete_records("block_exaportcatgroupshar", array('catid' => $newentry->id));
// Add new shared groups.
if ($newentry->internshare && $newentry->shareall == 2) {
$sharegroups = \block_exaport\param::optional_array('sharegroups', PARAM_INT);
$usergroups = block_exaport_get_user_cohorts();
foreach ($sharegroups as $groupid) {
if (!isset($usergroups[$groupid])) {
// Not allowed.
continue;
}
$DB->insert_record("block_exaportcatgroupshar", [
'catid' => $newentry->id,
'groupid' => $groupid,
]);
}
}
// Icon for item.
$context = context_user::instance($USER->id);
$uploadfilesizes = block_exaport_get_filessize_by_draftid($newentry->iconfile);
// Merge with folder icon.
// FontAwesome icons uses icon merge by JS in Frontend. So, this code is redundant now
// (also, from now we have new category field 'iconmerge')
/*if (isset($newentry->iconmerge) && $newentry->iconmerge == 1 && $uploadfilesizes > 0) {
$fs = get_file_storage();
$image = $DB->get_record_sql('SELECT * '.
'FROM {files} '.
'WHERE contextid = ? '.
'AND component = "user" '.
'AND filearea="draft" '.
'AND itemid = ? '.
'AND filename<>"."',
array($context->id, $newentry->iconfile));
if ($image) {
$fileimage = $fs->get_file($context->id, 'user', 'draft', $newentry->iconfile, '/', $image->filename);
$imagecontent = $fileimage->get_content();
// Merge images.
$imicon = imagecreatefromstring($imagecontent);
$imfolder = imagecreatefrompng($CFG->dirroot.'/blocks/exaport/pix/folder_tile.png');
imagealphablending($imfolder, false);
imagesavealpha($imfolder, true);
// Max width/height.
$maxwidth = 150;
$maxheight = 80;
$skew = 10;
$imicon = skewscaleimage($imicon, $maxwidth, $maxheight, $skew);
$swidth = imagesx($imfolder);
$sheight = imagesy($imfolder);
$owidth = imagesx($imicon);
$oheight = imagesy($imicon);
$x = 0;
$y = 0;
// Overlay's opacity (in percent).
$opacity = 75;
// Coordinates - only for current folder icon..
imagecopymerge($imfolder,
$imicon,
$swidth / 2 - $owidth / 2,
$sheight / 2 - $oheight / 2 + 10,
0,
0,
$owidth,
$oheight,
$opacity);
ob_start();
imagepng($imfolder);
$imagedata = ob_get_contents();
ob_end_clean();
// Simple checking to PNG.
if (stripos($imagedata, 'png') == 1) {
// Delete old file.
$fileimage->delete();
// Create file containing new image.
$fileinfo = array(
'contextid' => $context->id,
'component' => 'user',
'filearea' => 'draft',
'itemid' => $image->itemid,
'filepath' => '/',
'filename' => $image->filename);
$fs->create_file_from_string($fileinfo, $imagedata);
};
imagedestroy($imicon);
imagedestroy($imfolder);
};
};
unset($newentry->iconmerge);*/
// Checking userquoata.
$userquotecheck = block_exaport_file_userquotecheck($uploadfilesizes, $newentry->id);
$filesizecheck = block_exaport_get_maxfilesize_by_draftid_check($newentry->iconfile);
if ($userquotecheck && $filesizecheck) {
file_save_draft_area_files($newentry->iconfile,
$context->id,
'block_exaport',
'category_icon',
$newentry->id,
array('maxbytes' => $CFG->block_exaport_max_uploadfile_size));
};
redirect('view_items.php?courseid='.$courseid.'&categoryid='.
($newentry->back == 'same' ? $newentry->id : $newentry->pid));
} else {
block_exaport_print_header("myportfolio");
$category = null;
if ($id = optional_param('id', 0, PARAM_INT)) {
$category = $DB->get_record_sql('
SELECT c.id, c.name, c.pid, c.internshare, c.shareall, c.iconmerge
FROM {block_exaportcate} c
WHERE c.userid = ? AND id = ?
', array($USER->id, $id));
}
if (!$category) {
$category = new stdClass;
}
$category->courseid = $courseid;
if (!isset($category->id)) {
$category->id = null;
}
$category->back = optional_param('back', '', PARAM_TEXT);
if (empty($category->pid)) {
$category->pid = optional_param('pid', 0, PARAM_INT);
}
// Filemanager for editing icon picture.
$draftitemid = file_get_submitted_draft_itemid('iconfile');
$context = context_user::instance($USER->id);
file_prepare_draft_area($draftitemid,
$context->id,
'block_exaport',
'category_icon',
$category->id,
array('subdirs' => false, 'maxfiles' => 1, 'maxbytes' => $CFG->block_exaport_max_uploadfile_size));
$category->iconfile = $draftitemid;
$mform->set_data($category);
$mform->display();
echo block_exaport_wrapperdivend();
$PAGE->requires->js('/blocks/exaport/javascript/category.js', true);
// Translations.
$translations = array(
'name', 'role', 'nousersfound',
'internalaccessgroups', 'grouptitle', 'membercount', 'nogroupsfound',
'internalaccess', 'externalaccess', 'internalaccessall', 'internalaccessusers', 'view_sharing_noaccess', 'sharejs',
'notify', 'checkall',
);
$translations = array_flip($translations);
foreach ($translations as $key => &$value) {
$value = block_exaport_get_string($key);
}
unset($value);
?>
<script type="text/javascript">
//<![CDATA[
ExabisEportfolio.setTranslations(<?php echo json_encode($translations); ?>);
//]]>
</script>
<?php /**/
echo $OUTPUT->footer();
}
function skewscaleimage($srcimg, $maxwidth = 100, $maxheight = 100, $skew = 10) {
$w = imagesx($srcimg);
$h = imagesy($srcimg);
// Scale.
if ($h > $maxheight) {
$koeff = $h / $maxheight;
$newwidth = $w / $koeff;
$srcimg = imagescale($srcimg, $newwidth, $maxheight);
$h = $maxheight;
$w = imagesx($srcimg);
}
if ($w > $maxwidth) {
$srcimg = imagescale($srcimg, $maxwidth);
$w = $maxwidth;
$h = imagesy($srcimg);
}
// Skew it.
$neww = abs($h * tan(deg2rad($skew)) + $w);
$step = tan(deg2rad($skew));
$dstimg = imagecreatetruecolor($neww, $h);
$bgcolour = imagecolorallocate($dstimg, 0, 0, 0);
imagecolortransparent($dstimg, $bgcolour);
imagefill($dstimg, 0, 0, $bgcolour);
for ($i = 0; $i < $h; $i++) {
imagecopyresampled($dstimg, $srcimg, $neww - ($w + $step * $i), $i, 0, $i, $w, 1, $w, 1);
}
return $dstimg;
}