skodak
148 lines
5.0 KiB
PHP
148 lines
5.0 KiB
PHP
<?php //$Id$
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require_once $CFG->libdir.'/formslib.php';
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class edit_calculation_form extends moodleform {
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var $available;
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var $noidnumbers;
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var $showing;
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function definition() {
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global $COURSE;
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$mform =& $this->_form;
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$this->available = grade_item::fetch_all(array('courseid'=>$COURSE->id));
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$this->noidnumbers = array();
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foreach ($this->available as $item) {
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if (empty($item->idnumber)) {
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$this->noidnumbers[$item->id] = $item;
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unset($this->available[$item->id]);
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}
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}
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/// visible elements
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$mform->addElement('header', 'general', get_string('gradeitem', 'grades'));
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$mform->addElement('static', 'itemname', get_string('itemname', 'grades'));
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$mform->addElement('textarea', 'calculation', get_string('calculation', 'grades'), 'cols="60" rows="5"');
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/// idnumbers
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$mform->addElement('header', 'availableheader', get_string('availableidnumbers', 'grades'));
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foreach ($this->available as $item) {
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$mform->addElement('static', 'idnumber_'.$item->id, $item->get_name());
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$mform->setDefault('idnumber_'.$item->id, '[['.$item->idnumber.']]');
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}
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/// set idnumbers
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if ($this->noidnumbers) {
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$mform->addElement('header', 'addidnumbersheader', get_string('addidnumbers', 'grades'));
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foreach ($this->noidnumbers as $item) {
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$mform->addElement('text', 'idnumber_'.$item->id, $item->get_name(), 'size="30"');
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}
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}
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/// hidden params
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$mform->addElement('hidden', 'id', 0);
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$mform->setType('id', PARAM_INT);
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$mform->addElement('hidden', 'courseid', 0);
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$mform->setType('courseid', PARAM_INT);
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$mform->addElement('hidden', 'showingadding', 0);
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/// add return tracking info
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$gpr = $this->_customdata['gpr'];
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$gpr->add_mform_elements($mform);
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//-------------------------------------------------------------------------------
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// buttons
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if ($this->noidnumbers) {
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$mform->addElement('submit', 'addidnumbers', get_string('addidnumbers', 'grades'));
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$mform->registerNoSubmitButton('addidnumbers');
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}
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$this->add_action_buttons();
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}
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function definition_after_data() {
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global $CFG, $COURSE;
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$mform =& $this->_form;
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if ($this->noidnumbers) {
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if (optional_param('addidnumbers', 0, PARAM_RAW)) {
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$el =& $mform->getElement('showingadding');
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$el->setValue(1);
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}
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$this->showing = $mform->getElementValue('showingadding');
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if (!$this->showing) {
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foreach ($this->noidnumbers as $item) {
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$mform->removeElement('idnumber_'.$item->id);
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}
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$mform->removeElement('addidnumbersheader');
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} else {
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$mform->removeElement('addidnumbers');
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}
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}
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}
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/// perform extra validation before submission
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function validation($data){
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$errors = array();
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$mform =& $this->_form;
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//first validate and store the new idnumbers
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if ($this->noidnumbers and $this->showing) {
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foreach ($this->noidnumbers as $grade_item) {
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$idnumber = 'idnumber_'.$grade_item->id;
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if (!empty($data[$idnumber])) {
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if ($grade_item->itemtype == 'mod') {
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$cm = get_coursemodule_from_instance($grade_item->itemmodule, $grade_item->iteminstance, $grade_item->courseid);
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} else {
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$cm = null;
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}
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if (!grade_verify_idnumber($data[$idnumber], $grade_item, $cm)) {
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$errors[$idnumber] = get_string('idnumbertaken');
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continue;
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}
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if (empty($grade_item->idnumber) and !$grade_item->add_idnumber(stripslashes($data['idnumber_'.$grade_item->id]))) {
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$errors[$idnumber] = get_string('error');
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continue;
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}
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}
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// lock the adding field if idnumber already present or just changed
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if (!empty($grade_item->idnumber)) {
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$el =& $mform->getElement($idnumber);
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$el->setValue($grade_item->idnumber);
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$mform->hardFreeze($idnumber);
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}
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}
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}
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// check the calculation formula
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if ($data['calculation'] != '') {
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$grade_item = grade_item::fetch(array('id'=>$data['id'], 'courseid'=>$data['courseid']));
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$result = $grade_item->validate_formula(stripslashes($data['calculation']));
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if ($result !== true) {
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$errors['calculation'] = $result;
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}
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}
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if (0 == count($errors)){
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return true;
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} else {
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return $errors;
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}
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}
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}
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?>
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