#179 Don't display form elements if a user doesn't have capabilities

This commit is contained in:
Dmitrii Metelkin 2018-07-30 17:33:16 +10:00 committed by Mark Nelson
parent b797b659f5
commit d169b6958c

View file

@ -61,51 +61,41 @@ class mod_customcert_mod_form extends moodleform_mod {
$mform->addElement('selectyesno', 'emailstudents', get_string('emailstudents', 'customcert'));
$mform->setDefault('emailstudents', get_config('customcert', 'emailstudents'));
$mform->addHelpButton('emailstudents', 'emailstudents', 'customcert');
$firstoption = 'emailstudents';
} else {
$mform->addElement('hidden', 'emailstudents', get_config('customcert', 'emailstudents'));
}
$mform->setType('emailstudents', PARAM_INT);
$firstoption = 'emailstudents';
}
if (has_capability('mod/customcert:manageemailteachers', $this->get_context())) {
$mform->addElement('selectyesno', 'emailteachers', get_string('emailteachers', 'customcert'));
$mform->setDefault('emailteachers', get_config('customcert', 'emailteachers'));
$mform->addHelpButton('emailteachers', 'emailteachers', 'customcert');
$firstoption = empty($firstoption) ? 'emailteachers' : $firstoption;
} else {
$mform->addElement('hidden', 'emailteachers', get_config('customcert', 'emailteachers'));
}
$mform->setType('emailteachers', PARAM_INT);
$firstoption = empty($firstoption) ? 'emailteachers' : $firstoption;
}
if (has_capability('mod/customcert:manageemailothers', $this->get_context())) {
$mform->addElement('text', 'emailothers', get_string('emailothers', 'customcert'), array('size' => '40'));
$mform->addHelpButton('emailothers', 'emailothers', 'customcert');
$mform->setDefault('emailothers', get_config('customcert', 'emailothers'));
$firstoption = empty($firstoption) ? 'emailothers' : $firstoption;
} else {
$mform->addElement('hidden', 'emailothers', get_config('customcert', 'emailothers'));
}
$mform->setType('emailothers', PARAM_TEXT);
$firstoption = empty($firstoption) ? 'emailothers' : $firstoption;
}
if (has_capability('mod/customcert:manageverifyany', $this->get_context())) {
$mform->addElement('selectyesno', 'verifyany', get_string('verifycertificateanyone', 'customcert'));
$mform->addHelpButton('verifyany', 'verifycertificateanyone', 'customcert');
$mform->setDefault('verifyany', get_config('customcert', 'verifyany'));
$firstoption = empty($firstoption) ? 'verifyany' : $firstoption;
} else {
$mform->addElement('hidden', 'verifyany', get_config('customcert', 'verifyany'));
}
$mform->setType('verifyany', PARAM_INT);
$firstoption = empty($firstoption) ? 'verifyany' : $firstoption;
}
if (has_capability('mod/customcert:managerequiredtime', $this->get_context())) {
$mform->addElement('text', 'requiredtime', get_string('coursetimereq', 'customcert'), array('size' => '3'));
$mform->addHelpButton('requiredtime', 'coursetimereq', 'customcert');
$mform->setDefault('requiredtime', get_config('customcert', 'coursetimereq'));
$firstoption = empty($firstoption) ? 'requiredtime' : $firstoption;
} else {
$mform->addElement('hidden', 'requiredtime', 0);
}
$mform->setDefault('requiredtime', get_config('customcert', 'requiredtime'));
$mform->setType('requiredtime', PARAM_INT);
$firstoption = empty($firstoption) ? 'requiredtime' : $firstoption;
}
if (has_capability('mod/customcert:manageprotection', $this->get_context())) {
$mform->addElement('checkbox', 'protection_print', get_string('setprotection', 'customcert'),
@ -113,18 +103,11 @@ class mod_customcert_mod_form extends moodleform_mod {
$mform->addElement('checkbox', 'protection_modify', '', get_string('modify', 'customcert'));
$mform->addElement('checkbox', 'protection_copy', '', get_string('copy', 'customcert'));
$mform->addHelpButton('protection_print', 'setprotection', 'customcert');
$mform->setDefault('protection_print', get_config('customcert', 'protection_print'));
$mform->setDefault('protection_modify', get_config('customcert', 'protection_modify'));
$mform->setDefault('protection_copy', get_config('customcert', 'protection_copy'));
$firstoption = empty($firstoption) ? 'protection_print' : $firstoption;
} else {
$mform->addElement('hidden', 'protection_print', get_config('customcert', 'protection_print'));
$mform->addElement('hidden', 'protection_modify', get_config('customcert', 'protection_modify'));
$mform->addElement('hidden', 'protection_copy', get_config('customcert', 'protection_copy'));
}
$mform->setType('protection_print', PARAM_BOOL);
$mform->setType('protection_modify', PARAM_BOOL);
$mform->setType('protection_copy', PARAM_BOOL);
$firstoption = empty($firstoption) ? 'protection_print' : $firstoption;
}
if (!empty($firstoption)) {
$mform->insertElementBefore($optionsheader, $firstoption);
@ -141,17 +124,51 @@ class mod_customcert_mod_form extends moodleform_mod {
* @param array $defaultvalues
*/
public function data_preprocessing(&$defaultvalues) {
// Set the values in the form to what has been set in database if updating
// or set default configured values if creating.
if (!empty($defaultvalues['update'])) {
if (!empty($defaultvalues['protection'])) {
$protection = explode(', ', $defaultvalues['protection']);
// Set the values in the form to what has been set in database.
if (in_array(\mod_customcert\certificate::PROTECTION_PRINT, $protection)) {
$defaultvalues['protection_print'] = 1;
$protection = $this->build_protection_data($defaultvalues['protection']);
$defaultvalues['protection_print'] = $protection->protection_print;
$defaultvalues['protection_modify'] = $protection->protection_modify;
$defaultvalues['protection_copy'] = $protection->protection_copy;
}
if (in_array(\mod_customcert\certificate::PROTECTION_MODIFY, $protection)) {
$defaultvalues['protection_modify'] = 1;
} else {
$defaultvalues['protection_print'] = get_config('customcert', 'protection_print');
$defaultvalues['protection_modify'] = get_config('customcert', 'protection_modify');
$defaultvalues['protection_copy'] = get_config('customcert', 'protection_copy');
}
if (in_array(\mod_customcert\certificate::PROTECTION_COPY, $protection)) {
$defaultvalues['protection_copy'] = 1;
}
/**
* Post process form data.
*
* @param \stdClass $data
*
* @throws \dml_exception
*/
public function data_postprocessing($data) {
global $DB;
parent::data_postprocessing($data);
// If creating a new activity.
if (!empty($data->add)) {
foreach ($this->get_options_elements_with_required_caps() as $name => $capability) {
if (!isset($data->$name) && !has_capability($capability, $this->get_context())) {
$data->$name = get_config('customcert', $name);
}
}
} else {
// If updating, but a user can't manage protection, then get data from database.
if (!has_capability('mod/customcert:manageprotection', $this->get_context())) {
$customcert = $DB->get_record('customcert', array('id' => $data->instance));
$protection = $this->build_protection_data($customcert->protection);
$data->protection_print = $protection->protection_print;
$data->protection_modify = $protection->protection_modify;
$data->protection_copy = $protection->protection_copy;
}
}
}
@ -175,4 +192,52 @@ class mod_customcert_mod_form extends moodleform_mod {
return $errors;
}
/**
* Get a list of all options form elements with required capabilities for managing each element.
*
* @return array
*/
protected function get_options_elements_with_required_caps() {
return [
'emailstudents' => 'mod/customcert:manageemailstudents',
'emailteachers' => 'mod/customcert:manageemailteachers',
'emailothers' => 'mod/customcert:manageemailothers',
'verifyany' => 'mod/customcert:manageverifyany',
'requiredtime' => 'mod/customcert:managerequiredtime',
'protection_print' => 'mod/customcert:manageprotection',
'protection_modify' => 'mod/customcert:manageprotection',
'protection_copy' => 'mod/customcert:manageprotection'
];
}
/**
* Build a protection data to be able to set to the form.
*
* @param string $protection Protection sting from database.
*
* @return \stdClass
*/
protected function build_protection_data($protection) {
$data = new stdClass();
$data->protection_print = 0;
$data->protection_modify = 0;
$data->protection_copy = 0;
$protection = explode(', ', $protection);
if (in_array(\mod_customcert\certificate::PROTECTION_PRINT, $protection)) {
$data->protection_print = 1;
}
if (in_array(\mod_customcert\certificate::PROTECTION_MODIFY, $protection)) {
$data->protection_modify = 1;
}
if (in_array(\mod_customcert\certificate::PROTECTION_COPY, $protection)) {
$data->protection_copy = 1;
}
return $data;
}
}