/**

* Defines forms elements

*/

public function definition() {

global $CFG;

$mform = $this->_form;

//-------------------------------------------------------------------------------

// Adding the "general" fieldset, where all the common settings are showed

$mform->addElement('header', 'general', get_string('general', 'form'));

// Adding the standard "name" field

$mform->addElement('text', 'name', get_string('name'), array('size'=>'64'));

if (!empty($CFG->formatstringstriptags)) {

$mform->setType('name', PARAM_TEXT);

} else {

$mform->setType('name', PARAM_CLEAN);

}

$mform->addRule('name', null, 'required', null, 'client');

$mform->addRule('name', get_string('maximumchars', '', 255), 'maxlength', 255, 'client');

// Adding the standard "intro" and "introformat" fields

$this->add_intro_editor();

// -------------------------------------------------------------------------------

$mform->addElement('header', 'timing', get_string('timing', 'geogebra'));

$mform->addElement('date_time_selector', 'timeavailable', get_string('availabledate', 'geogebra'), array('optional'=>true));

$mform->addElement('date_time_selector', 'timedue', get_string('duedate', 'geogebra'), array('optional'=>true));

//-------------------------------------------------------------------------------

// Adding the rest of geogebra settings, spreeading all them into this fieldset

$mform->addElement('header', 'header_geogebra', get_string('contentheader', 'geogebra'));

$mform->addElement('select', 'filetype', get_string('filetype', 'geogebra'), geogebra_get_file_types());

$mform->addHelpButton('filetype', 'filetype', 'geogebra');

$mform->addElement('text', 'geogebraurl', get_string('geogebraurl', 'geogebra'), array('size'=>60));

$mform->setType('geogebraurl', PARAM_RAW);

$mform->addHelpButton('geogebraurl', 'geogebraurl', 'geogebra');

$mform->disabledIf('geogebraurl', 'filetype', 'eq', GEOGEBRA_FILE_TYPE_LOCAL);

$mform->addElement('filemanager', 'geogebrafile', get_string('geogebrafile', 'geogebra'), array('optional'=>false), geogebra_get_filemanager_options());

$mform->addHelpButton('geogebrafile', 'urledit', 'geogebra');

$mform->disabledIf('geogebrafile', 'filetype', 'noteq', GEOGEBRA_FILE_TYPE_LOCAL);

$options = get_string_manager()->get_list_of_translations();

$mform->addElement('select', 'language', get_string('language', 'geogebra'), $options);

// GRADING

$this->standard_grading_coursemodule_elements();

$options = array(-1 => get_string('unlimited'), 1 => 1, 2 => 2, 3 => 3, 4 => 4, 5 => 5, 10 => 10);

$mform->addElement('select', 'maxattempts', get_string('maxattempts', 'geogebra'), $options);

$mform->setDefault('maxattempts', '-1');

$options = array(

GEOGEBRA_AVERAGE_GRADE => get_string('average', 'geogebra'),

GEOGEBRA_HIGHEST_GRADE => get_string('highestattempt', 'geogebra'),

GEOGEBRA_LOWEST_GRADE => get_string('lowestattempt', 'geogebra'),

GEOGEBRA_FIRST_GRADE => get_string('firstattempt', 'geogebra'),

GEOGEBRA_LAST_GRADE => get_string('lastattempt', 'geogebra'));

$mform->addElement('select', 'grademethod', get_string('grademethod', 'geogebra'), $options);

$mform->setDefault('grademethod', '-1');

$mform->addElement('advcheckbox', 'autograde', get_string('autograde', 'geogebra'));

$mform->setDefault('autograde', 0);

//---OPTIONS---------------------------------------------------------------------------

$mform->addElement('header', 'optionsheader', get_string('appearance'));

$mform->addElement('text', 'width', get_string('width', 'geogebra'), array('size'=>'5'));

$mform->setType('width', PARAM_INT);

$mform->setDefault('width', '800');

$mform->addElement('text', 'height', get_string('height', 'geogebra'), array('size'=>'5'));

$mform->setType('height', PARAM_INT);

$mform->setDefault('height', '600');

$functionalityoptionsgrp = array();

$functionalityoptionsgrp[] = &$mform->createElement('checkbox', 'enableRightClick', '', get_string('enableRightClick', 'geogebra'));

$functionalityoptionsgrp[] = &$mform->createElement('checkbox', 'enableLabelDrags', '', get_string('enableLabelDrags', 'geogebra'));

$functionalityoptionsgrp[] = &$mform->createElement('checkbox', 'showResetIcon', '', get_string('showResetIcon', 'geogebra'));

$mform->addGroup($functionalityoptionsgrp, 'functionalityoptionsgrp', get_string('functionalityoptionsgrp', 'geogebra'), "<br>", false);

$mform->setDefault('enableRightClick', 0);

$mform->setDefault('enableLabelDrags', 0);

$mform->setDefault('showResetIcon', 0);

$mform->setAdvanced('functionalityoptionsgrp');

$interfaceoptionsgrp = array();

$interfaceoptionsgrp[] = &$mform->createElement('checkbox', 'showMenuBar', '', get_string('showMenuBar', 'geogebra'));

$interfaceoptionsgrp[] = &$mform->createElement('checkbox', 'showToolBar', '', get_string('showToolBar', 'geogebra'));

$interfaceoptionsgrp[] = &$mform->createElement('checkbox', 'showToolBarHelp', '', get_string('showToolBarHelp', 'geogebra'));

$interfaceoptionsgrp[] = &$mform->createElement('checkbox', 'showAlgebraInput', '', get_string('showAlgebraInput', 'geogebra'));

$mform->addGroup($interfaceoptionsgrp, 'interfaceoptionsgrp', get_string('interfaceoptionsgrp', 'geogebra'), "<br>", false);

$mform->setDefault('showMenuBar', 0);

$mform->setDefault('showToolBar', 0);

$mform->setDefault('showToolBarHelp', 0);

$mform->setDefault('showAlgebraInput', 0);

$mform->setAdvanced('interfaceoptionsgrp');

// add standard elements, common to all modules

$this->standard_coursemodule_elements();

//-------------------------------------------------------------------------------

// add standard buttons, common to all modules

$this->add_action_buttons();

}

function data_preprocessing(&$values) {

if ($this->current->instance) {

$draftitemid = file_get_submitted_draft_itemid('geogebrafile');

file_prepare_draft_area($draftitemid, $this->context->id, 'mod_geogebra', 'content', 0, geogebra_get_filemanager_options());

$values['geogebrafile'] = $draftitemid;

}

}

public function validation($data, $files) {

global $USER;

$errors = parent::validation($data, $files);

// Check open and close times are consistent.

if ($data['timeavailable'] != 0 && $data['timedue'] != 0 &&

$data['timedue'] < $data['timeavailable']) {

$errors['timedue'] = get_string('closebeforeopen', 'geogebra');

}

$type = $data['filetype'];

if ($type === GEOGEBRA_FILE_TYPE_LOCAL) {

$usercontext = context_user::instance($USER->id);

$fs = get_file_storage();

if (!$files = $fs->get_area_files($usercontext->id, 'user', 'draft', $data['geogebrafile'], 'sortorder, id', false)) {

$errors['geogebrafile'] = get_string('required');

} else {

$file = reset($files);

$filename = $file->get_filename();

if (!geogebra_is_valid_file($filename)) {

$errors['geogebrafile'] = get_string('invalidgeogebrafile', 'geogebra');

}

}

} else if ($type === GEOGEBRA_FILE_TYPE_EXTERNAL) {

$reference = $data['geogebraurl'];

if (!geogebra_is_valid_external_url($reference)) {

$errors['geogebraurl'] = get_string('invalidurl', 'geogebra');

}

}

return $errors;

}

function set_data($values) {

global $CFG;

$values = (array)$values;

if (isset($values['url'])) {

// Need to translate the "url" field

if (geogebra_is_valid_external_url($values['url'])) {

$values['filetype'] = GEOGEBRA_FILE_TYPE_EXTERNAL;

$values['geogebraurl'] = $values['url'];

} else {

$values['filetype'] = GEOGEBRA_FILE_TYPE_LOCAL;

$values['geogebrafile'] = $values['url'];

}

// Load attributes

parse_str($values['attributes'], $attributes);

$values['enableRightClick'] = isset($attributes['enableRightClick']) ? $attributes['enableRightClick'] : 0;

$values['enableLabelDrags'] = isset($attributes['enableLabelDrags']) ? $attributes['enableLabelDrags'] : 0;

$values['showResetIcon'] = isset($attributes['showResetIcon']) ? $attributes['showResetIcon'] : 0;

$values['showMenuBar'] = isset($attributes['showMenuBar']) ? $attributes['showMenuBar'] : 0;

$values['showToolBar'] = isset($attributes['showToolBar']) ? $attributes['showToolBar'] : 0;

$values['showToolBarHelp'] = isset($attributes['showToolBarHelp']) ? $attributes['showToolBarHelp'] : 0;

$values['showAlgebraInput'] = isset($attributes['showAlgebraInput']) ? $attributes['showAlgebraInput'] : 0;

$values['language'] = isset($attributes['language']) ? $attributes['language'] : 0;

}

unset($values['url']);

$this->data_preprocessing($values);

parent::set_data($values);

}

function completion_rule_enabled($data) {

return !empty($data['completionsubmit']);

}