Files
moodle/grade/edit/scale/edit_form.php

113 lines
3.6 KiB
PHP

<?php //$Id$
require_once $CFG->libdir.'/formslib.php';
class edit_scale_form extends moodleform {
function definition() {
global $CFG;
$mform =& $this->_form;
// visible elements
$mform->addElement('header', 'general', get_string('scale'));
$mform->addElement('text', 'name', get_string('name'), 'size="40"');
$mform->addRule('name', get_string('required'), 'required', null, 'client');
$mform->setType('name', PARAM_TEXT);
$mform->addElement('advcheckbox', 'standard', get_string('scalestandard'));
$mform->setHelpButton('standard', array(false, get_string('scalestandard'),
false, true, false, get_string('scalestandardhelp', 'grades')));
$mform->addElement('static', 'activities', get_string('activities'));
$mform->addElement('textarea', 'scale', get_string('scale'), array('cols'=>50, 'rows'=>2));
$mform->setHelpButton('scale', array('scales', get_string('scale')));
$mform->addRule('scale', get_string('required'), 'required', null, 'client');
$mform->setType('scale', PARAM_TEXT);
$mform->addElement('htmleditor', 'description', get_string('description'), array('cols'=>80, 'rows'=>20));
// hidden params
$mform->addElement('hidden', 'id', 0);
$mform->setType('id', PARAM_INT);
$mform->addElement('hidden', 'courseid', 0);
$mform->setType('courseid', PARAM_INT);
/// add return tracking info
$gpr = $this->_customdata['gpr'];
$gpr->add_mform_elements($mform);
//-------------------------------------------------------------------------------
// buttons
$this->add_action_buttons();
}
/// tweak the form - depending on existing data
function definition_after_data() {
global $CFG;
$mform =& $this->_form;
$courseid = $mform->getElementValue('courseid');
if ($id = $mform->getElementValue('id')) {
$scale = grade_scale::fetch(array('id'=>$id));
$count = $scale->get_item_uses_count();
if ($count) {
$mform->hardFreeze('scale');
}
if (empty($courseid)) {
$mform->hardFreeze('standard');
} else if (empty($scale->courseid) and !has_capability('moodle/course:managescales', get_context_instance(CONTEXT_SYSTEM))) {
$mform->hardFreeze('standard');
} else if ($count and !empty($scale->courseid)) {
$mform->hardFreeze('standard');
}
$activities_el =& $mform->getElement('activities');
$activities_el->setValue(get_string('usedinnplaces', '', $count));
} else {
$mform->removeElement('activities');
if (empty($courseid) or !has_capability('moodle/course:managescales', get_context_instance(CONTEXT_SYSTEM))) {
$mform->hardFreeze('standard');
}
}
}
/// perform extra validation before submission
function validation($data){
global $CFG;
$errors= array();
// we can not allow 2 scales with the same exact scale as this creates
// problems for backup/restore
$courseid = empty($data['courseid'])?0:$data['courseid'];
if (count_records('scale', 'courseid', $courseid, 'scale', $data['scale'])) {
$errors['scale'] = get_string('duplicatescale', 'grades');
}
$options = explode(',', $data['scale']);
if (count($options) < 2) {
$errors['scale'] = get_string('error');
}
if (0 == count($errors)){
return true;
} else {
return $errors;
}
}
}
?>