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/moodle/course/edit_form.php

https://bitbucket.org/geek745/moodle-db2
PHP | 492 lines | 387 code | 75 blank | 30 comment | 64 complexity | 170ddfd02ee903e823750b608ec8fda4 MD5 | raw file
  1<?php  //$Id: edit_form.php,v 1.37.2.19 2009/10/01 07:47:28 nicolasconnault Exp $
  2
  3require_once($CFG->libdir.'/formslib.php');
  4
  5class course_edit_form extends moodleform {
  6
  7    function definition() {
  8        global $USER, $CFG;
  9
 10        $courseconfig = get_config('moodlecourse');
 11        $mform    =& $this->_form;
 12
 13        $course   = $this->_customdata['course'];
 14        $category = $this->_customdata['category'];
 15
 16        $systemcontext = get_context_instance(CONTEXT_SYSTEM);
 17        $categorycontext = get_context_instance(CONTEXT_COURSECAT, $category->id);
 18
 19        $disable_meta = false; // basic meta course state protection; server-side security checks not needed
 20
 21        if (!empty($course)) {
 22            $coursecontext = get_context_instance(CONTEXT_COURSE, $course->id);
 23            $context = $coursecontext;
 24
 25            if (course_in_meta($course)) {
 26                $disable_meta = get_string('metaalreadyinmeta');
 27
 28            } else if ($course->metacourse) {
 29                if (count_records('course_meta', 'parent_course', $course->id) > 0) {
 30                    $disable_meta = get_string('metaalreadyhascourses');
 31                }
 32
 33            } else {
 34                // if users already enrolled directly into coures, do not allow switching to meta,
 35                // users with metacourse manage permission are exception
 36                // please note that we do not need exact results - anything unexpected here prevents metacourse
 37                $managers = get_users_by_capability($coursecontext, 'moodle/course:managemetacourse', 'u.id');
 38                $enrolroles = get_roles_with_capability('moodle/course:view', CAP_ALLOW, $coursecontext);
 39                if ($users = get_role_users(array_keys($enrolroles), $coursecontext, false, 'u.id', 'u.id ASC')) {
 40                    foreach($users as $user) {
 41                        if (!isset($managers[$user->id])) {
 42                            $disable_meta = get_string('metaalreadyhasenrolments');
 43                            break;
 44                        }
 45                    }
 46                }
 47                unset($managers);
 48                unset($users);
 49                unset($enrolroles);
 50            }
 51        } else {
 52            $coursecontext = null;
 53            $context = $categorycontext;
 54        }
 55
 56/// form definition with new course defaults
 57//--------------------------------------------------------------------------------
 58        $mform->addElement('header','general', get_string('general', 'form'));
 59
 60        // Must have create course capability in both categories in order to move course
 61        if (has_capability('moodle/course:create', $categorycontext)) {
 62            $displaylist = array();
 63            $parentlist = array();
 64            make_categories_list($displaylist, $parentlist, 'moodle/course:create');
 65            $mform->addElement('select', 'category', get_string('category'), $displaylist);
 66        } else {
 67            $mform->addElement('hidden', 'category', null);
 68            $mform->setType('category', PARAM_INT);
 69        }
 70        $mform->setHelpButton('category', array('coursecategory', get_string('category')));
 71        $mform->setDefault('category', $category->id);
 72        $mform->setType('category', PARAM_INT);
 73
 74        if ($course and !has_capability('moodle/course:changecategory', $coursecontext)) {
 75            $mform->hardFreeze('category');
 76            $mform->setConstant('category', $category->id);
 77        }
 78
 79        $mform->addElement('text','fullname', get_string('fullname'),'maxlength="254" size="50"');
 80        $mform->setHelpButton('fullname', array('coursefullname', get_string('fullname')), true);
 81        $mform->setDefault('fullname', get_string('defaultcoursefullname'));
 82        $mform->addRule('fullname', get_string('missingfullname'), 'required', null, 'client');
 83        $mform->setType('fullname', PARAM_MULTILANG);
 84        if ($course and !has_capability('moodle/course:changefullname', $coursecontext)) {
 85            $mform->hardFreeze('fullname');
 86            $mform->setConstant('fullname', $course->fullname);
 87        }
 88
 89        $mform->addElement('text','shortname', get_string('shortname'),'maxlength="100" size="20"');
 90        $mform->setHelpButton('shortname', array('courseshortname', get_string('shortname')), true);
 91        $mform->setDefault('shortname', get_string('defaultcourseshortname'));
 92        $mform->addRule('shortname', get_string('missingshortname'), 'required', null, 'client');
 93        $mform->setType('shortname', PARAM_MULTILANG);
 94        if ($course and !has_capability('moodle/course:changeshortname', $coursecontext)) {
 95            $mform->hardFreeze('shortname');
 96            $mform->setConstant('shortname', $course->shortname);
 97        }
 98
 99        $mform->addElement('text','idnumber', get_string('idnumbercourse'),'maxlength="100"  size="10"');
100        $mform->setHelpButton('idnumber', array('courseidnumber', get_string('idnumbercourse')), true);
101        $mform->setType('idnumber', PARAM_RAW);
102        if ($course and !has_capability('moodle/course:changeidnumber', $coursecontext)) {
103            $mform->hardFreeze('idnumber');
104            $mform->setConstants('idnumber', $course->idnumber);
105        }
106
107        $mform->addElement('htmleditor','summary', get_string('summary'), array('rows'=> '10', 'cols'=>'65'));
108        $mform->setHelpButton('summary', array('text', get_string('helptext')), true);
109        $mform->setType('summary', PARAM_RAW);
110
111        if ($course and !has_capability('moodle/course:changesummary', $coursecontext)) {
112            $mform->hardFreeze('summary');
113        }
114
115        $courseformats = get_list_of_plugins('course/format');
116        $formcourseformats = array();
117        foreach ($courseformats as $courseformat) {
118            $formcourseformats["$courseformat"] = get_string("format$courseformat","format_$courseformat");
119            if($formcourseformats["$courseformat"]=="[[format$courseformat]]") {
120                $formcourseformats["$courseformat"] = get_string("format$courseformat");
121            }
122        }
123        $mform->addElement('select', 'format', get_string('format'), $formcourseformats);
124        $mform->setHelpButton('format', array('courseformats', get_string('courseformats')), true);
125        $mform->setDefault('format', $courseconfig->format);
126
127        for ($i=1; $i<=52; $i++) {
128          $sectionmenu[$i] = "$i";
129        }
130        $mform->addElement('select', 'numsections', get_string('numberweeks'), $sectionmenu);
131        $mform->setDefault('numsections', $courseconfig->numsections);
132
133        $mform->addElement('date_selector', 'startdate', get_string('startdate'));
134        $mform->setHelpButton('startdate', array('coursestartdate', get_string('startdate')), true);
135        $mform->setDefault('startdate', time() + 3600 * 24);
136
137        $choices = array();
138        $choices['0'] = get_string('hiddensectionscollapsed');
139        $choices['1'] = get_string('hiddensectionsinvisible');
140        $mform->addElement('select', 'hiddensections', get_string('hiddensections'), $choices);
141        $mform->setHelpButton('hiddensections', array('coursehiddensections', get_string('hiddensections')), true);
142        $mform->setDefault('hiddensections', $courseconfig->hiddensections);
143
144        $options = range(0, 10);
145        $mform->addElement('select', 'newsitems', get_string('newsitemsnumber'), $options);
146        $mform->setHelpButton('newsitems', array('coursenewsitems', get_string('newsitemsnumber')), true);
147        $mform->setDefault('newsitems', $courseconfig->newsitems);
148
149        $mform->addElement('selectyesno', 'showgrades', get_string('showgrades'));
150        $mform->setHelpButton('showgrades', array('coursegrades', get_string('grades')), true);
151        $mform->setDefault('showgrades', $courseconfig->showgrades);
152
153        $mform->addElement('selectyesno', 'showreports', get_string('showreports'));
154        $mform->setHelpButton('showreports', array('coursereports', get_string('activityreport')), true);
155        $mform->setDefault('showreports', $courseconfig->showreports);
156
157        $choices = get_max_upload_sizes($CFG->maxbytes);
158        $mform->addElement('select', 'maxbytes', get_string('maximumupload'), $choices);
159        $mform->setHelpButton('maxbytes', array('courseuploadsize', get_string('maximumupload')), true);
160        $mform->setDefault('maxbytes', $courseconfig->maxbytes);
161
162        if (!empty($CFG->allowcoursethemes)) {
163            $themes=array();
164            $themes[''] = get_string('forceno');
165            $themes += get_list_of_themes();
166            $mform->addElement('select', 'theme', get_string('forcetheme'), $themes);
167        }
168
169        $meta=array();
170        $meta[0] = get_string('no');
171        $meta[1] = get_string('yes');
172        if ($disable_meta === false) {
173            $mform->addElement('select', 'metacourse', get_string('managemeta'), $meta);
174            $mform->setHelpButton('metacourse', array('metacourse', get_string('metacourse')), true);
175            $mform->setDefault('metacourse', $courseconfig->metacourse);
176        } else {
177            // no metacourse element - we do not want to change it anyway!
178            $mform->addElement('static', 'nometacourse', get_string('managemeta'),
179                ((empty($course->metacourse)) ? $meta[0] : $meta[1]) . " - $disable_meta ");
180            $mform->setHelpButton('nometacourse', array('metacourse', get_string('metacourse')), true);
181        }
182
183//--------------------------------------------------------------------------------
184        $mform->addElement('header','enrolhdr', get_string('enrolments'));
185
186        $choices = array();
187        $modules = explode(',', $CFG->enrol_plugins_enabled);
188        foreach ($modules as $module) {
189            $name = get_string('enrolname', "enrol_$module");
190            $plugin = enrolment_factory::factory($module);
191            if (method_exists($plugin, 'print_entry')) {
192                $choices[$name] = $module;
193            }
194        }
195        asort($choices);
196        $choices = array_flip($choices);
197        $choices = array_merge(array('' => get_string('sitedefault').' ('.get_string('enrolname', "enrol_$CFG->enrol").')'), $choices);
198        $mform->addElement('select', 'enrol', get_string('enrolmentplugins'), $choices);
199        $mform->setHelpButton('enrol', array('courseenrolmentplugins', get_string('enrolmentplugins')), true);
200
201
202        $roles = get_assignable_roles($context);
203        if (!empty($course)) {
204            // add current default role, so that it is selectable even when user can not assign it
205            if ($current_role = get_record('role', 'id', $course->defaultrole)) {
206                $roles[$current_role->id] = strip_tags(format_string($current_role->name, true));
207            }
208        }
209        $choices = array();
210        if ($sitedefaultrole = get_record('role', 'id', $CFG->defaultcourseroleid)) {
211            $choices[0] = get_string('sitedefault').' ('.$sitedefaultrole->name.')';
212        } else {
213            $choices[0] = get_string('sitedefault');
214        }
215        $choices = $choices + $roles;
216
217        // fix for MDL-9197
218        foreach ($choices as $choiceid => $choice) {
219            $choices[$choiceid] = format_string($choice);
220        }
221
222        $mform->addElement('select', 'defaultrole', get_string('defaultrole', 'role'), $choices);
223        $mform->setDefault('defaultrole', 0);
224
225
226        $radio = array();
227        $radio[] = &MoodleQuickForm::createElement('radio', 'enrollable', null, get_string('no'), 0);
228        $radio[] = &MoodleQuickForm::createElement('radio', 'enrollable', null, get_string('yes'), 1);
229        $radio[] = &MoodleQuickForm::createElement('radio', 'enrollable', null, get_string('enroldate'), 2);
230        $mform->addGroup($radio, 'enrollable', get_string('enrollable'), ' ', false);
231        $mform->setHelpButton('enrollable', array('courseenrollable2', get_string('enrollable')), true);
232        $mform->setDefault('enrollable', 1);
233
234        $enroldatestartgrp = array();
235        $enroldatestartgrp[] = &MoodleQuickForm::createElement('date_selector', 'enrolstartdate');
236        $enroldatestartgrp[] = &MoodleQuickForm::createElement('checkbox', 'enrolstartdisabled', null, get_string('disable'));
237        $mform->addGroup($enroldatestartgrp, 'enrolstartdategrp', get_string('enrolstartdate'), ' ', false);
238        $mform->setDefault('enrolstartdate', 0);
239        $mform->setDefault('enrolstartdisabled', 1);
240        $mform->disabledIf('enrolstartdategrp', 'enrolstartdisabled', 'checked');
241
242        $enroldateendgrp = array();
243        $enroldateendgrp[] = &MoodleQuickForm::createElement('date_selector', 'enrolenddate');
244        $enroldateendgrp[] = &MoodleQuickForm::createElement('checkbox', 'enrolenddisabled', null, get_string('disable'));
245        $mform->addGroup($enroldateendgrp, 'enroldateendgrp', get_string('enrolenddate'), ' ', false);
246        $mform->setDefault('enrolenddate', 0);
247        $mform->setDefault('enrolenddisabled', 1);
248        $mform->disabledIf('enroldateendgrp', 'enrolenddisabled', 'checked');
249
250        $periodmenu=array();
251        $periodmenu[0] = get_string('unlimited');
252        for ($i=1; $i<=365; $i++) {
253            $seconds = $i * 86400;
254            $periodmenu[$seconds] = get_string('numdays', '', $i);
255        }
256        $mform->addElement('select', 'enrolperiod', get_string('enrolperiod'), $periodmenu);
257        $mform->setDefault('enrolperiod', 0);
258
259
260//--------------------------------------------------------------------------------
261        $mform->addElement('header','expirynotifyhdr', get_string('expirynotify'));
262
263        $choices = array();
264        $choices['0'] = get_string('no');
265        $choices['1'] = get_string('yes');
266        $mform->addElement('select', 'expirynotify', get_string('notify'), $choices);
267        $mform->setHelpButton('expirynotify', array('expirynotify', get_string('expirynotify')), true);
268        $mform->setDefault('expirynotify', 0);
269
270        $mform->addElement('select', 'notifystudents', get_string('expirynotifystudents'), $choices);
271        $mform->setHelpButton('notifystudents', array('expirynotifystudents', get_string('expirynotifystudents')), true);
272        $mform->setDefault('notifystudents', 0);
273
274        $thresholdmenu=array();
275        for ($i=1; $i<=30; $i++) {
276            $seconds = $i * 86400;
277            $thresholdmenu[$seconds] = get_string('numdays', '', $i);
278        }
279        $mform->addElement('select', 'expirythreshold', get_string('expirythreshold'), $thresholdmenu);
280        $mform->setHelpButton('expirythreshold', array('expirythreshold', get_string('expirythreshold')), true);
281        $mform->setDefault('expirythreshold', 10 * 86400);
282
283//--------------------------------------------------------------------------------
284        $mform->addElement('header','', get_string('groups', 'group'));
285
286        $choices = array();
287        $choices[NOGROUPS] = get_string('groupsnone', 'group');
288        $choices[SEPARATEGROUPS] = get_string('groupsseparate', 'group');
289        $choices[VISIBLEGROUPS] = get_string('groupsvisible', 'group');
290        $mform->addElement('select', 'groupmode', get_string('groupmode'), $choices);
291        $mform->setHelpButton('groupmode', array('groupmode', get_string('groupmode')), true);
292        $mform->setDefault('groupmode', 0);
293
294        $choices = array();
295        $choices['0'] = get_string('no');
296        $choices['1'] = get_string('yes');
297        $mform->addElement('select', 'groupmodeforce', get_string('force'), $choices);
298        $mform->setHelpButton('groupmodeforce', array('groupmodeforce', get_string('groupmodeforce')), true);
299        $mform->setDefault('groupmodeforce', 0);
300
301        if (!empty($CFG->enablegroupings)) {
302            //default groupings selector
303            $options = array();
304            $options[0] = get_string('none');
305            $mform->addElement('select', 'defaultgroupingid', get_string('defaultgrouping', 'group'), $options);
306        }
307
308//--------------------------------------------------------------------------------
309        $mform->addElement('header','', get_string('availability'));
310
311        $choices = array();
312        $choices['0'] = get_string('courseavailablenot');
313        $choices['1'] = get_string('courseavailable');
314        $mform->addElement('select', 'visible', get_string('availability'), $choices);
315        $mform->setHelpButton('visible', array('courseavailability', get_string('availability')), true);
316        $mform->setDefault('visible', 1);
317        if ($course and !has_capability('moodle/course:visibility', $coursecontext)) {
318            $mform->hardFreeze('visible');
319            $mform->setConstant('visible', $course->visible);
320        }
321
322        $mform->addElement('passwordunmask', 'enrolpassword', get_string('enrolmentkey'), 'size="25"');
323        $mform->setHelpButton('enrolpassword', array('enrolmentkey', get_string('enrolmentkey')), true);
324        $mform->setDefault('enrolpassword', '');
325        $mform->setType('enrolpassword', PARAM_RAW);
326
327        if (empty($course) or ($course->password !== '' and $course->id != SITEID)) {
328            // do not require password in existing courses that do not have password yet - backwards compatibility ;-)
329            if (!empty($CFG->enrol_manual_requirekey)) {
330                $mform->addRule('enrolpassword', get_string('required'), 'required', null, 'client');
331            }
332        }
333
334        $choices = array();
335        $choices['0'] = get_string('guestsno');
336        $choices['1'] = get_string('guestsyes');
337        $choices['2'] = get_string('guestskey');
338        $mform->addElement('select', 'guest', get_string('opentoguests'), $choices);
339        $mform->setHelpButton('guest', array('guestaccess', get_string('opentoguests')), true);
340        $mform->setDefault('guest', 0);
341
342        // If we are creating a course, its enrol method isn't yet chosen, BUT the site has a default enrol method which we can use here
343        $enrol_object = $CFG;
344        if (!empty($course)) {
345            $enrol_object = $course;
346        }
347        // If the print_entry method exists and the course enrol method isn't manual (both set or inherited from site), show cost
348        if (method_exists(enrolment_factory::factory($enrol_object->enrol), 'print_entry') && !($enrol_object->enrol == 'manual' || (empty($enrol_object->enrol) && $CFG->enrol == 'manual'))) {
349            $costgroup=array();
350            $currencies = get_list_of_currencies();
351            $costgroup[]= &MoodleQuickForm::createElement('text','cost', '', 'maxlength="6" size="6"');
352            $costgroup[]= &MoodleQuickForm::createElement('select', 'currency', '', $currencies);
353            $mform->addGroup($costgroup, 'costgrp', get_string('cost'), '&nbsp;', false);
354            //defining a rule for a form element within a group :
355            $costgrprules=array();
356            //set the message to null to tell Moodle to use a default message
357            //available for most rules, fetched from language pack (err_{rulename}).
358            $costgrprules['cost'][]=array(null, 'numeric', null, 'client');
359            $mform->addGroupRule('costgrp',$costgrprules);
360            $mform->setHelpButton('costgrp', array('cost', get_string('cost')), true);
361            $mform->setDefault('cost', '');
362            $mform->setDefault('currency', empty($CFG->enrol_currency) ? 'USD' : $CFG->enrol_currency);
363
364        }
365
366//--------------------------------------------------------------------------------
367        $mform->addElement('header','', get_string('language'));
368
369        $languages=array();
370        $languages[''] = get_string('forceno');
371        $languages += get_list_of_languages();
372        $mform->addElement('select', 'lang', get_string('forcelanguage'), $languages);
373
374//--------------------------------------------------------------------------------
375        if (has_capability('moodle/site:config', $systemcontext) && ((!empty($course->requested) && $CFG->restrictmodulesfor == 'requested') || $CFG->restrictmodulesfor == 'all')) {
376            $mform->addElement('header', '', get_string('restrictmodules'));
377
378            $options = array();
379            $options['0'] = get_string('no');
380            $options['1'] = get_string('yes');
381            $mform->addElement('select', 'restrictmodules', get_string('restrictmodules'), $options);
382            $mods = array(0=>get_string('allownone'));
383            $mods += get_records_menu('modules', '','','','id, name');
384
385
386            $mform->addElement('select', 'allowedmods', get_string('to'), $mods,
387                            array('multiple'=>'multiple', 'size'=>'10'));
388            $mform->disabledIf('allowedmods', 'restrictmodules', 'eq', 0);
389        } else {
390            $mform->addElement('hidden', 'restrictmodules', null);
391            $mform->setType('restrictmodules', PARAM_INT);
392        }
393        if ($CFG->restrictmodulesfor == 'all') {
394            $mform->setDefault('allowedmods', explode(',',$CFG->defaultallowedmodules));
395            if (!empty($CFG->restrictbydefault)) {
396                $mform->setDefault('restrictmodules', 1);
397            }
398        }
399        $mform->setType('restrictmodules', PARAM_INT);
400
401/// customizable role names in this course
402//--------------------------------------------------------------------------------
403        $mform->addElement('header','rolerenaming', get_string('rolerenaming'));
404        $mform->setHelpButton('rolerenaming', array('rolerenaming', get_string('rolerenaming')), true);
405
406        if ($roles = get_records('role')) {
407            foreach ($roles as $role) {
408                $mform->addElement('text', 'role_'.$role->id, $role->name);
409                $mform->setType('role_'.$role->id, PARAM_TEXT);
410                if ($coursecontext) {
411                    if ($rolename = get_record('role_names', 'roleid', $role->id, 'contextid', $coursecontext->id)) {
412                        $mform->setDefault('role_'.$role->id, $rolename->name);
413                    }
414                }
415            }
416        }
417
418//--------------------------------------------------------------------------------
419        $this->add_action_buttons();
420//--------------------------------------------------------------------------------
421        $mform->addElement('hidden', 'id', null);
422        $mform->setType('id', PARAM_INT);
423
424        // fill in default teacher and student names to keep backwards compatibility for a while
425        $mform->addElement('hidden', 'teacher', get_string('defaultcourseteacher'));
426        $mform->setType('teacher', PARAM_RAW);
427        $mform->addElement('hidden', 'teachers', get_string('defaultcourseteachers'));
428        $mform->setType('teachers', PARAM_RAW);
429        $mform->addElement('hidden', 'student', get_string('defaultcoursestudent'));
430        $mform->setType('student', PARAM_RAW);
431        $mform->addElement('hidden', 'students', get_string('defaultcoursestudents'));
432        $mform->setType('students', PARAM_RAW);
433    }
434
435    function definition_after_data() {
436        global $CFG;
437
438        $mform =& $this->_form;
439
440        // add availabe groupings
441        if ($courseid = $mform->getElementValue('id') and $mform->elementExists('defaultgroupingid')) {
442            $options = array();
443            if ($groupings = get_records('groupings', 'courseid', $courseid)) {
444                foreach ($groupings as $grouping) {
445                    $options[$grouping->id] = format_string($grouping->name);
446                }
447            }
448            $gr_el =& $mform->getElement('defaultgroupingid');
449            $gr_el->load($options);
450        }
451    }
452
453
454/// perform some extra moodle validation
455    function validation($data, $files) {
456        global $CFG;
457
458        $errors = parent::validation($data, $files);
459        if ($foundcourses = get_records('course', 'shortname', $data['shortname'])) {
460            if (!empty($data['id'])) {
461                unset($foundcourses[$data['id']]);
462            }
463            if (!empty($foundcourses)) {
464                foreach ($foundcourses as $foundcourse) {
465                    $foundcoursenames[] = $foundcourse->fullname;
466                }
467                $foundcoursenamestring = implode(',', $foundcoursenames);
468                $errors['shortname']= get_string('shortnametaken', '', $foundcoursenamestring);
469            }
470        }
471
472        if (empty($data['enrolenddisabled'])){
473            if ($data['enrolenddate'] <= $data['enrolstartdate']){
474                $errors['enroldateendgrp'] = get_string('enrolenddaterror');
475            }
476        }
477
478        if (!empty($CFG->enrol_manual_usepasswordpolicy) and isset($data['enrolpassword']) and $data['enrolpassword'] != '') {
479            $course = $this->_customdata['course'];
480            if ($course->password !== $data['enrolpassword']) {
481                // enforce password policy only if changing password - backwards compatibility
482                $errmsg = '';
483                if (!check_password_policy($data['enrolpassword'], $errmsg)) {
484                    $errors['enrolpassword'] = $errmsg;
485                }
486            }
487        }
488
489        return $errors;
490    }
491}
492?>