8f7e87532a819451af9b3b191b58c47ac95f006c
[moodle.git] / course / edit_form.php
1 <?php
3 defined('MOODLE_INTERNAL') || die;
5 require_once($CFG->libdir.'/formslib.php');
6 require_once($CFG->libdir.'/completionlib.php');
8 class course_edit_form extends moodleform {
9     protected $course;
10     protected $context;
12     function definition() {
13         global $USER, $CFG, $DB, $PAGE;
15         $mform    = $this->_form;
16         $PAGE->requires->yui_module('moodle-course-formatchooser', 'M.course.init_formatchooser',
17                 array(array('formid' => $mform->getAttribute('id'))));
19         $course        = $this->_customdata['course']; // this contains the data of this form
20         $category      = $this->_customdata['category'];
21         $editoroptions = $this->_customdata['editoroptions'];
22         $returnto = $this->_customdata['returnto'];
24         $systemcontext   = context_system::instance();
25         $categorycontext = context_coursecat::instance($category->id);
27         if (!empty($course->id)) {
28             $coursecontext = context_course::instance($course->id);
29             $context = $coursecontext;
30         } else {
31             $coursecontext = null;
32             $context = $categorycontext;
33         }
35         $courseconfig = get_config('moodlecourse');
37         $this->course  = $course;
38         $this->context = $context;
40 /// form definition with new course defaults
41 //--------------------------------------------------------------------------------
42         $mform->addElement('header','general', get_string('general', 'form'));
44         $mform->addElement('hidden', 'returnto', null);
45         $mform->setType('returnto', PARAM_ALPHANUM);
46         $mform->setConstant('returnto', $returnto);
48         // verify permissions to change course category or keep current
49         if (empty($course->id)) {
50             if (has_capability('moodle/course:create', $categorycontext)) {
51                 $displaylist = array();
52                 $parentlist = array();
53                 make_categories_list($displaylist, $parentlist, 'moodle/course:create');
54                 $mform->addElement('select', 'category', get_string('category'), $displaylist);
55                 $mform->addHelpButton('category', 'category');
56                 $mform->setDefault('category', $category->id);
57             } else {
58                 $mform->addElement('hidden', 'category', null);
59                 $mform->setType('category', PARAM_INT);
60                 $mform->setConstant('category', $category->id);
61             }
62         } else {
63             if (has_capability('moodle/course:changecategory', $coursecontext)) {
64                 $displaylist = array();
65                 $parentlist = array();
66                 make_categories_list($displaylist, $parentlist, 'moodle/course:create');
67                 if (!isset($displaylist[$course->category])) {
68                     //always keep current
69                     $displaylist[$course->category] = format_string($DB->get_field('course_categories', 'name', array('id'=>$course->category)));
70                 }
71                 $mform->addElement('select', 'category', get_string('category'), $displaylist);
72                 $mform->addHelpButton('category', 'category');
73             } else {
74                 //keep current
75                 $mform->addElement('hidden', 'category', null);
76                 $mform->setType('category', PARAM_INT);
77                 $mform->setConstant('category', $course->category);
78             }
79         }
81         $mform->addElement('text','fullname', get_string('fullnamecourse'),'maxlength="254" size="50"');
82         $mform->addHelpButton('fullname', 'fullnamecourse');
83         $mform->addRule('fullname', get_string('missingfullname'), 'required', null, 'client');
84         $mform->setType('fullname', PARAM_TEXT);
85         if (!empty($course->id) and !has_capability('moodle/course:changefullname', $coursecontext)) {
86             $mform->hardFreeze('fullname');
87             $mform->setConstant('fullname', $course->fullname);
88         }
90         $mform->addElement('text', 'shortname', get_string('shortnamecourse'), 'maxlength="100" size="20"');
91         $mform->addHelpButton('shortname', 'shortnamecourse');
92         $mform->addRule('shortname', get_string('missingshortname'), 'required', null, 'client');
93         $mform->setType('shortname', PARAM_TEXT);
94         if (!empty($course->id) and !has_capability('moodle/course:changeshortname', $coursecontext)) {
95             $mform->hardFreeze('shortname');
96             $mform->setConstant('shortname', $course->shortname);
97         }
99         $mform->addElement('text','idnumber', get_string('idnumbercourse'),'maxlength="100"  size="10"');
100         $mform->addHelpButton('idnumber', 'idnumbercourse');
101         $mform->setType('idnumber', PARAM_RAW);
102         if (!empty($course->id) and !has_capability('moodle/course:changeidnumber', $coursecontext)) {
103             $mform->hardFreeze('idnumber');
104             $mform->setConstants('idnumber', $course->idnumber);
105         }
108         $mform->addElement('editor','summary_editor', get_string('coursesummary'), null, $editoroptions);
109         $mform->addHelpButton('summary_editor', 'coursesummary');
110         $mform->setType('summary_editor', PARAM_RAW);
112         if (!empty($course->id) and !has_capability('moodle/course:changesummary', $coursecontext)) {
113             $mform->hardFreeze('summary_editor');
114         }
116         $courseformats = get_sorted_course_formats(true);
117         $formcourseformats = array();
118         foreach ($courseformats as $courseformat) {
119             $formcourseformats[$courseformat] = get_string('pluginname', "format_$courseformat");
120         }
121         if (isset($course->format)) {
122             $course->format = course_get_format($course)->get_format(); // replace with default if not found
123             if (!in_array($course->format, $courseformats)) {
124                 // this format is disabled. Still display it in the dropdown
125                 $formcourseformats[$course->format] = get_string('withdisablednote', 'moodle',
126                         get_string('pluginname', 'format_'.$course->format));
127             }
128         }
130         $mform->addElement('select', 'format', get_string('format'), $formcourseformats);
131         $mform->addHelpButton('format', 'format');
132         $mform->setDefault('format', $courseconfig->format);
134         // button to update format-specific options on format change (will be hidden by JavaScript)
135         $mform->registerNoSubmitButton('updatecourseformat');
136         $mform->addElement('submit', 'updatecourseformat', get_string('courseformatudpate'));
138         $mform->addElement('date_selector', 'startdate', get_string('startdate'));
139         $mform->addHelpButton('startdate', 'startdate');
140         $mform->setDefault('startdate', time() + 3600 * 24);
142         $options = range(0, 10);
143         $mform->addElement('select', 'newsitems', get_string('newsitemsnumber'), $options);
144         $mform->addHelpButton('newsitems', 'newsitemsnumber');
145         $mform->setDefault('newsitems', $courseconfig->newsitems);
147         $mform->addElement('selectyesno', 'showgrades', get_string('showgrades'));
148         $mform->addHelpButton('showgrades', 'showgrades');
149         $mform->setDefault('showgrades', $courseconfig->showgrades);
151         $mform->addElement('selectyesno', 'showreports', get_string('showreports'));
152         $mform->addHelpButton('showreports', 'showreports');
153         $mform->setDefault('showreports', $courseconfig->showreports);
155         // Handle non-existing $course->maxbytes on course creation.
156         $coursemaxbytes = !isset($course->maxbytes) ? null : $course->maxbytes;
158         // Let's prepare the maxbytes popup.
159         $choices = get_max_upload_sizes($CFG->maxbytes, 0, 0, $coursemaxbytes);
160         $mform->addElement('select', 'maxbytes', get_string('maximumupload'), $choices);
161         $mform->addHelpButton('maxbytes', 'maximumupload');
162         $mform->setDefault('maxbytes', $courseconfig->maxbytes);
164         if (!empty($course->legacyfiles) or !empty($CFG->legacyfilesinnewcourses)) {
165             if (empty($course->legacyfiles)) {
166                 //0 or missing means no legacy files ever used in this course - new course or nobody turned on legacy files yet
167                 $choices = array('0'=>get_string('no'), '2'=>get_string('yes'));
168             } else {
169                 $choices = array('1'=>get_string('no'), '2'=>get_string('yes'));
170             }
171             $mform->addElement('select', 'legacyfiles', get_string('courselegacyfiles'), $choices);
172             $mform->addHelpButton('legacyfiles', 'courselegacyfiles');
173             if (!isset($courseconfig->legacyfiles)) {
174                 // in case this was not initialised properly due to switching of $CFG->legacyfilesinnewcourses
175                 $courseconfig->legacyfiles = 0;
176             }
177             $mform->setDefault('legacyfiles', $courseconfig->legacyfiles);
178         }
180         if (!empty($CFG->allowcoursethemes)) {
181             $themeobjects = get_list_of_themes();
182             $themes=array();
183             $themes[''] = get_string('forceno');
184             foreach ($themeobjects as $key=>$theme) {
185                 if (empty($theme->hidefromselector)) {
186                     $themes[$key] = get_string('pluginname', 'theme_'.$theme->name);
187                 }
188             }
189             $mform->addElement('select', 'theme', get_string('forcetheme'), $themes);
190         }
192 //--------------------------------------------------------------------------------
193         $mform->addElement('hidden', 'addcourseformatoptionshere');
195 //--------------------------------------------------------------------------------
196         enrol_course_edit_form($mform, $course, $context);
198 //--------------------------------------------------------------------------------
199         $mform->addElement('header','', get_string('groups', 'group'));
201         $choices = array();
202         $choices[NOGROUPS] = get_string('groupsnone', 'group');
203         $choices[SEPARATEGROUPS] = get_string('groupsseparate', 'group');
204         $choices[VISIBLEGROUPS] = get_string('groupsvisible', 'group');
205         $mform->addElement('select', 'groupmode', get_string('groupmode', 'group'), $choices);
206         $mform->addHelpButton('groupmode', 'groupmode', 'group');
207         $mform->setDefault('groupmode', $courseconfig->groupmode);
209         $choices = array();
210         $choices['0'] = get_string('no');
211         $choices['1'] = get_string('yes');
212         $mform->addElement('select', 'groupmodeforce', get_string('groupmodeforce', 'group'), $choices);
213         $mform->addHelpButton('groupmodeforce', 'groupmodeforce', 'group');
214         $mform->setDefault('groupmodeforce', $courseconfig->groupmodeforce);
216         //default groupings selector
217         $options = array();
218         $options[0] = get_string('none');
219         $mform->addElement('select', 'defaultgroupingid', get_string('defaultgrouping', 'group'), $options);
221 //--------------------------------------------------------------------------------
222         $mform->addElement('header','', get_string('availability'));
224         $choices = array();
225         $choices['0'] = get_string('courseavailablenot');
226         $choices['1'] = get_string('courseavailable');
227         $mform->addElement('select', 'visible', get_string('availability'), $choices);
228         $mform->addHelpButton('visible', 'availability');
229         $mform->setDefault('visible', $courseconfig->visible);
230         if (!has_capability('moodle/course:visibility', $context)) {
231             $mform->hardFreeze('visible');
232             if (!empty($course->id)) {
233                 $mform->setConstant('visible', $course->visible);
234             } else {
235                 $mform->setConstant('visible', $courseconfig->visible);
236             }
237         }
239 //--------------------------------------------------------------------------------
240         $mform->addElement('header','', get_string('language'));
242         $languages=array();
243         $languages[''] = get_string('forceno');
244         $languages += get_string_manager()->get_list_of_translations();
245         $mform->addElement('select', 'lang', get_string('forcelanguage'), $languages);
246         $mform->setDefault('lang', $courseconfig->lang);
248 //--------------------------------------------------------------------------------
249         if (completion_info::is_enabled_for_site()) {
250             $mform->addElement('header','', get_string('progress','completion'));
251             $mform->addElement('select', 'enablecompletion', get_string('completion','completion'),
252                 array(0=>get_string('completiondisabled','completion'), 1=>get_string('completionenabled','completion')));
253             $mform->setDefault('enablecompletion', $courseconfig->enablecompletion);
255             $mform->addElement('advcheckbox', 'completionstartonenrol', get_string('completionstartonenrol', 'completion'));
256             $mform->setDefault('completionstartonenrol', $courseconfig->completionstartonenrol);
257             $mform->disabledIf('completionstartonenrol', 'enablecompletion', 'eq', 0);
258         } else {
259             $mform->addElement('hidden', 'enablecompletion');
260             $mform->setType('enablecompletion', PARAM_INT);
261             $mform->setDefault('enablecompletion',0);
263             $mform->addElement('hidden', 'completionstartonenrol');
264             $mform->setType('completionstartonenrol', PARAM_INT);
265             $mform->setDefault('completionstartonenrol',0);
266         }
268 /// customizable role names in this course
269 //--------------------------------------------------------------------------------
270         $mform->addElement('header','rolerenaming', get_string('rolerenaming'));
271         $mform->addHelpButton('rolerenaming', 'rolerenaming');
273         if ($roles = get_all_roles()) {
274             $roles = role_fix_names($roles, null, ROLENAME_ORIGINAL);
275             $assignableroles = get_roles_for_contextlevels(CONTEXT_COURSE);
276             foreach ($roles as $role) {
277                 $mform->addElement('text', 'role_'.$role->id, get_string('yourwordforx', '', $role->localname));
278                 $mform->setType('role_'.$role->id, PARAM_TEXT);
279                 if (!in_array($role->id, $assignableroles)) {
280                     $mform->setAdvanced('role_'.$role->id);
281                 }
282             }
283         }
285 //--------------------------------------------------------------------------------
286         $this->add_action_buttons();
287 //--------------------------------------------------------------------------------
288         $mform->addElement('hidden', 'id', null);
289         $mform->setType('id', PARAM_INT);
291 /// finally set the current form data
292 //--------------------------------------------------------------------------------
293         $this->set_data($course);
294     }
296     function definition_after_data() {
297         global $DB;
299         $mform = $this->_form;
301         // add available groupings
302         if ($courseid = $mform->getElementValue('id') and $mform->elementExists('defaultgroupingid')) {
303             $options = array();
304             if ($groupings = $DB->get_records('groupings', array('courseid'=>$courseid))) {
305                 foreach ($groupings as $grouping) {
306                     $options[$grouping->id] = format_string($grouping->name);
307                 }
308             }
309             $gr_el =& $mform->getElement('defaultgroupingid');
310             $gr_el->load($options);
311         }
313         // add course format options
314         $formatvalue = $mform->getElementValue('format');
315         if (is_array($formatvalue) && !empty($formatvalue)) {
316             $courseformat = course_get_format((object)array('format' => $formatvalue[0]));
317             $newel = $mform->createElement('header', '', get_string('courseformatoptions', 'moodle',
318                     $courseformat->get_format_name()));
319             $mform->insertElementBefore($newel, 'addcourseformatoptionshere');
321             $elements = $courseformat->create_edit_form_elements($mform);
322             for ($i = 0; $i < count($elements); $i++) {
323                 $mform->insertElementBefore($mform->removeElement($elements[$i]->getName(), false),
324                         'addcourseformatoptionshere');
325             }
326         }
327     }
329 /// perform some extra moodle validation
330     function validation($data, $files) {
331         global $DB, $CFG;
333         $errors = parent::validation($data, $files);
334         if ($foundcourses = $DB->get_records('course', array('shortname'=>$data['shortname']))) {
335             if (!empty($data['id'])) {
336                 unset($foundcourses[$data['id']]);
337             }
338             if (!empty($foundcourses)) {
339                 foreach ($foundcourses as $foundcourse) {
340                     $foundcoursenames[] = $foundcourse->fullname;
341                 }
342                 $foundcoursenamestring = implode(',', $foundcoursenames);
343                 $errors['shortname']= get_string('shortnametaken', '', $foundcoursenamestring);
344             }
345         }
347         $errors = array_merge($errors, enrol_course_edit_validation($data, $this->context));
349         $courseformat = course_get_format((object)array('format' => $data['format']));
350         $formaterrors = $courseformat->edit_form_validation($data, $files, $errors);
351         if (!empty($formaterrors) && is_array($formaterrors)) {
352             $errors = array_merge($errors, $formaterrors);
353         }
355         return $errors;
356     }