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assignment.class.php
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assignment.class.php
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<?php // $Id$
require_once($CFG->libdir.'/formslib.php');
/**
* Extend the base assignment class for assignments where you upload a single file
*
*/
class assignment_online extends assignment_base {
function assignment_online($cmid='staticonly', $assignment=NULL, $cm=NULL, $course=NULL) {
parent::assignment_base($cmid, $assignment, $cm, $course);
$this->type = 'online';
}
function view() {
global $USER;
$edit = optional_param('edit', 0, PARAM_BOOL);
$saved = optional_param('saved', 0, PARAM_BOOL);
$context = get_context_instance(CONTEXT_MODULE, $this->cm->id);
require_capability('mod/assignment:view', $context);
$submission = $this->get_submission();
//Guest can not submit nor edit an assignment (bug: 4604)
if (!has_capability('mod/assignment:submit', $context)) {
$editable = null;
} else {
$editable = $this->isopen() && (!$submission || $this->assignment->resubmit || !$submission->timemarked);
}
$editmode = ($editable and $edit);
if ($editmode) {
//guest can not edit or submit assignment
if (!has_capability('mod/assignment:submit', $context)) {
print_error('guestnosubmit', 'assignment');
}
}
add_to_log($this->course->id, "assignment", "view", "view.php?id={$this->cm->id}", $this->assignment->id, $this->cm->id);
/// prepare form and process submitted data
$mform = new mod_assignment_online_edit_form();
$defaults = new object();
$defaults->id = $this->cm->id;
if (!empty($submission)) {
if ($this->usehtmleditor) {
$options = new object();
$options->smiley = false;
$options->filter = false;
$defaults->text = format_text($submission->data1, $submission->data2, $options);
$defaults->format = FORMAT_HTML;
} else {
$defaults->text = clean_text($submission->data1, $submission->data2);
$defaults->format = $submission->data2;
}
}
$mform->set_data($defaults);
if ($mform->is_cancelled()) {
redirect('view.php?id='.$this->cm->id);
}
if ($data = $mform->get_data()) { // No incoming data?
if ($editable && $this->update_submission($data)) {
//TODO fix log actions - needs db upgrade
$submission = $this->get_submission();
add_to_log($this->course->id, 'assignment', 'upload',
'view.php?a='.$this->assignment->id, $this->assignment->id, $this->cm->id);
$this->email_teachers($submission);
//redirect to get updated submission date and word count
redirect('view.php?id='.$this->cm->id.'&saved=1');
} else {
// TODO: add better error message
notify(get_string("error")); //submitting not allowed!
}
}
/// print header, etc. and display form if needed
if ($editmode) {
$this->view_header(get_string('editmysubmission', 'assignment'));
} else {
$this->view_header();
}
$this->view_intro();
$this->view_dates();
if ($saved) {
notify(get_string('submissionsaved', 'assignment'), 'notifysuccess');
}
if (has_capability('mod/assignment:submit', $context)) {
if ($editmode) {
print_box_start('generalbox', 'online');
$mform->display();
} else {
print_box_start('generalbox boxwidthwide boxaligncenter', 'online');
if ($submission) {
echo format_text($submission->data1, $submission->data2);
} else if (!has_capability('mod/assignment:submit', $context)) { //fix for #4604
echo '<div style="text-align:center">'. get_string('guestnosubmit', 'assignment').'</div>';
} else if ($this->isopen()){ //fix for #4206
echo '<div style="text-align:center">'.get_string('emptysubmission', 'assignment').'</div>';
}
}
print_box_end();
if (!$editmode && $editable) {
echo "<div style='text-align:center'>";
print_single_button('view.php', array('id'=>$this->cm->id,'edit'=>'1'),
get_string('editmysubmission', 'assignment'));
echo "</div>";
}
}
$this->view_feedback();
$this->view_footer();
}
/*
* Display the assignment dates
*/
function view_dates() {
global $USER, $CFG;
if (!$this->assignment->timeavailable && !$this->assignment->timedue) {
return;
}
print_simple_box_start('center', '', '', 0, 'generalbox', 'dates');
echo '<table>';
if ($this->assignment->timeavailable) {
echo '<tr><td class="c0">'.get_string('availabledate','assignment').':</td>';
echo ' <td class="c1">'.userdate($this->assignment->timeavailable).'</td></tr>';
}
if ($this->assignment->timedue) {
echo '<tr><td class="c0">'.get_string('duedate','assignment').':</td>';
echo ' <td class="c1">'.userdate($this->assignment->timedue).'</td></tr>';
}
$submission = $this->get_submission($USER->id);
if ($submission) {
echo '<tr><td class="c0">'.get_string('lastedited').':</td>';
echo ' <td class="c1">'.userdate($submission->timemodified);
/// Decide what to count
if ($CFG->assignment_itemstocount == ASSIGNMENT_COUNT_WORDS) {
echo ' ('.get_string('numwords', '', count_words(format_text($submission->data1, $submission->data2))).')</td></tr>';
} else if ($CFG->assignment_itemstocount == ASSIGNMENT_COUNT_LETTERS) {
echo ' ('.get_string('numletters', '', count_letters(format_text($submission->data1, $submission->data2))).')</td></tr>';
}
}
echo '</table>';
print_simple_box_end();
}
function update_submission($data) {
global $CFG, $USER;
$submission = $this->get_submission($USER->id, true);
$update = new object();
$update->id = $submission->id;
$update->data1 = $data->text;
$update->data2 = $data->format;
$update->timemodified = time();
if (!update_record('assignment_submissions', $update)) {
return false;
}
$submission = $this->get_submission($USER->id);
$this->update_grade($submission);
return true;
}
function print_student_answer($userid, $return=false){
global $CFG;
if (!$submission = $this->get_submission($userid)) {
return '';
}
$output = '<div class="files">'.
'<img src="'.$CFG->pixpath.'/f/html.gif" class="icon" alt="html" />'.
link_to_popup_window ('/mod/assignment/type/online/file.php?id='.$this->cm->id.'&userid='.
$submission->userid, 'file'.$userid, shorten_text(trim(strip_tags(format_text($submission->data1,$submission->data2))), 15), 450, 580,
get_string('submission', 'assignment'), 'none', true).
'</div>';
return $output;
}
function print_user_files($userid, $return=false) {
global $CFG;
if (!$submission = $this->get_submission($userid)) {
return '';
}
$output = '<div class="files">'.
'<img align="middle" src="'.$CFG->pixpath.'/f/html.gif" height="16" width="16" alt="html" />'.
link_to_popup_window ('/mod/assignment/type/online/file.php?id='.$this->cm->id.'&userid='.
$submission->userid, 'file'.$userid, shorten_text(trim(strip_tags(format_text($submission->data1,$submission->data2))), 15), 450, 580,
get_string('submission', 'assignment'), 'none', true).
'</div>';
///Stolen code from file.php
print_simple_box_start('center', '', '', 0, 'generalbox', 'wordcount');
/// Decide what to count
if ($CFG->assignment_itemstocount == ASSIGNMENT_COUNT_WORDS) {
echo ' ('.get_string('numwords', '', count_words(format_text($submission->data1, $submission->data2))).')';
} else if ($CFG->assignment_itemstocount == ASSIGNMENT_COUNT_LETTERS) {
echo ' ('.get_string('numletters', '', count_letters(format_text($submission->data1, $submission->data2))).')';
}
print_simple_box_end();
print_simple_box(format_text($submission->data1, $submission->data2), 'center', '100%');
///End of stolen code from file.php
if ($return) {
//return $output;
}
//echo $output;
}
function preprocess_submission(&$submission) {
if ($this->assignment->var1 && empty($submission->submissioncomment)) { // comment inline
if ($this->usehtmleditor) {
// Convert to html, clean & copy student data to teacher
$submission->submissioncomment = format_text($submission->data1, $submission->data2);
$submission->format = FORMAT_HTML;
} else {
// Copy student data to teacher
$submission->submissioncomment = $submission->data1;
$submission->format = $submission->data2;
}
}
}
function setup_elements(&$mform) {
global $CFG, $COURSE;
$ynoptions = array( 0 => get_string('no'), 1 => get_string('yes'));
$mform->addElement('select', 'resubmit', get_string("allowresubmit", "assignment"), $ynoptions);
$mform->setHelpButton('resubmit', array('resubmit', get_string('allowresubmit', 'assignment'), 'assignment'));
$mform->setDefault('resubmit', 0);
$mform->addElement('select', 'emailteachers', get_string("emailteachers", "assignment"), $ynoptions);
$mform->setHelpButton('emailteachers', array('emailteachers', get_string('emailteachers', 'assignment'), 'assignment'));
$mform->setDefault('emailteachers', 0);
$mform->addElement('select', 'var1', get_string("commentinline", "assignment"), $ynoptions);
$mform->setHelpButton('var1', array('commentinline', get_string('commentinline', 'assignment'), 'assignment'));
$mform->setDefault('var1', 0);
}
}
class mod_assignment_online_edit_form extends moodleform {
function definition() {
$mform =& $this->_form;
// visible elements
$mform->addElement('htmleditor', 'text', get_string('submission', 'assignment'), array('cols'=>60, 'rows'=>30));
$mform->setType('text', PARAM_RAW); // to be cleaned before display
$mform->setHelpButton('text', array('reading', 'writing', 'richtext'), false, 'editorhelpbutton');
$mform->addRule('text', get_string('required'), 'required', null, 'client');
$mform->addElement('format', 'format', get_string('format'));
$mform->setHelpButton('format', array('textformat', get_string('helpformatting')));
// hidden params
$mform->addElement('hidden', 'id', 0);
$mform->setType('id', PARAM_INT);
// buttons
$this->add_action_buttons();
}
}
?>