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Differences Between: [Versions 311 and 400] [Versions 311 and 401] [Versions 311 and 402] [Versions 311 and 403]

   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  /**
  18   * The main workshop configuration form
  19   *
  20   * The UI mockup has been proposed in MDL-18688
  21   * It uses the standard core Moodle formslib. For more info about them, please
  22   * visit: http://docs.moodle.org/dev/lib/formslib.php
  23   *
  24   * @package    mod_workshop
  25   * @copyright  2009 David Mudrak <david.mudrak@gmail.com>
  26   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  27   */
  28  
  29  defined('MOODLE_INTERNAL') || die();
  30  
  31  require_once($CFG->dirroot . '/course/moodleform_mod.php');
  32  require_once (__DIR__ . '/locallib.php');
  33  require_once($CFG->libdir . '/filelib.php');
  34  
  35  /**
  36   * Module settings form for Workshop instances
  37   */
  38  class mod_workshop_mod_form extends moodleform_mod {
  39  
  40      /** @var object the course this instance is part of */
  41      protected $course = null;
  42  
  43      /**
  44       * Constructor
  45       */
  46      public function __construct($current, $section, $cm, $course) {
  47          $this->course = $course;
  48          parent::__construct($current, $section, $cm, $course);
  49      }
  50  
  51      /**
  52       * Defines the workshop instance configuration form
  53       *
  54       * @return void
  55       */
  56      public function definition() {
  57          global $CFG, $PAGE;
  58  
  59          $workshopconfig = get_config('workshop');
  60          $mform = $this->_form;
  61  
  62          // General --------------------------------------------------------------------
  63          $mform->addElement('header', 'general', get_string('general', 'form'));
  64  
  65          // Workshop name
  66          $label = get_string('workshopname', 'workshop');
  67          $mform->addElement('text', 'name', $label, array('size' => '64'));
  68          if (!empty($CFG->formatstringstriptags)) {
  69              $mform->setType('name', PARAM_TEXT);
  70          } else {
  71              $mform->setType('name', PARAM_CLEANHTML);
  72          }
  73          $mform->addRule('name', null, 'required', null, 'client');
  74          $mform->addRule('name', get_string('maximumchars', '', 255), 'maxlength', 255, 'client');
  75  
  76          // Introduction
  77          $this->standard_intro_elements(get_string('introduction', 'workshop'));
  78  
  79          // Grading settings -----------------------------------------------------------
  80          $mform->addElement('header', 'gradingsettings', get_string('gradingsettings', 'workshop'));
  81          $mform->setExpanded('gradingsettings');
  82  
  83          $label = get_string('strategy', 'workshop');
  84          $mform->addElement('select', 'strategy', $label, workshop::available_strategies_list());
  85          $mform->setDefault('strategy', $workshopconfig->strategy);
  86          $mform->addHelpButton('strategy', 'strategy', 'workshop');
  87  
  88          $grades = workshop::available_maxgrades_list();
  89          $gradecategories = grade_get_categories_menu($this->course->id);
  90  
  91          $label = get_string('submissiongrade', 'workshop');
  92          $mform->addGroup(array(
  93              $mform->createElement('select', 'grade', '', $grades),
  94              $mform->createElement('select', 'gradecategory', '', $gradecategories),
  95              ), 'submissiongradegroup', $label, ' ', false);
  96          $mform->setDefault('grade', $workshopconfig->grade);
  97          $mform->addHelpButton('submissiongradegroup', 'submissiongrade', 'workshop');
  98  
  99          $mform->addElement('text', 'submissiongradepass', get_string('gradetopasssubmission', 'workshop'));
 100          $mform->addHelpButton('submissiongradepass', 'gradepass', 'grades');
 101          $mform->setDefault('submissiongradepass', '');
 102          $mform->setType('submissiongradepass', PARAM_RAW);
 103  
 104          $label = get_string('gradinggrade', 'workshop');
 105          $mform->addGroup(array(
 106              $mform->createElement('select', 'gradinggrade', '', $grades),
 107              $mform->createElement('select', 'gradinggradecategory', '', $gradecategories),
 108              ), 'gradinggradegroup', $label, ' ', false);
 109          $mform->setDefault('gradinggrade', $workshopconfig->gradinggrade);
 110          $mform->addHelpButton('gradinggradegroup', 'gradinggrade', 'workshop');
 111  
 112          $mform->addElement('text', 'gradinggradepass', get_string('gradetopassgrading', 'workshop'));
 113          $mform->addHelpButton('gradinggradepass', 'gradepass', 'grades');
 114          $mform->setDefault('gradinggradepass', '');
 115          $mform->setType('gradinggradepass', PARAM_RAW);
 116  
 117          $options = array();
 118          for ($i = 5; $i >= 0; $i--) {
 119              $options[$i] = $i;
 120          }
 121          $label = get_string('gradedecimals', 'workshop');
 122          $mform->addElement('select', 'gradedecimals', $label, $options);
 123          $mform->setDefault('gradedecimals', $workshopconfig->gradedecimals);
 124  
 125          // Submission settings --------------------------------------------------------
 126          $mform->addElement('header', 'submissionsettings', get_string('submissionsettings', 'workshop'));
 127  
 128          $label = get_string('instructauthors', 'workshop');
 129          $mform->addElement('editor', 'instructauthorseditor', $label, null,
 130                              workshop::instruction_editors_options($this->context));
 131  
 132          $typeelements = [];
 133          foreach (['submissiontypetext', 'submissiontypefile'] as $type) {
 134              $available = $type . 'available';
 135              $required = $type . 'required';
 136              $availablelabel = get_string($available, 'workshop');
 137              $requiredlabel = get_string($required, 'workshop');
 138              $typeelements[] = $mform->createElement('advcheckbox', $available, '', $availablelabel);
 139              $typeelements[] = $mform->createElement('advcheckbox', $required, '', $requiredlabel);
 140              $mform->setDefault($available, 1);
 141          }
 142          // We can't use <br> as the separator as it does not work well in this case with the Boost theme.
 143          // Instead, separate both tuples with a full-width empty div.
 144          $mform->addGroup($typeelements, 'submissiontypes', get_string('submissiontypes', 'workshop'),
 145              array(' ', '<div style="width:100%"></div>'), false);
 146  
 147          $options = array();
 148          for ($i = 7; $i >= 1; $i--) {
 149              $options[$i] = $i;
 150          }
 151          $label = get_string('nattachments', 'workshop');
 152          $mform->addElement('select', 'nattachments', $label, $options);
 153          $mform->setDefault('nattachments', 1);
 154          $mform->hideIf('nattachments', 'submissiontypefileavailable');
 155  
 156          $label = get_string('allowedfiletypesforsubmission', 'workshop');
 157          $mform->addElement('filetypes', 'submissionfiletypes', $label);
 158          $mform->addHelpButton('submissionfiletypes', 'allowedfiletypesforsubmission', 'workshop');
 159          $mform->hideIf('submissionfiletypes', 'submissiontypefileavailable');
 160  
 161          $options = get_max_upload_sizes($CFG->maxbytes, $this->course->maxbytes, 0, $workshopconfig->maxbytes);
 162          $mform->addElement('select', 'maxbytes', get_string('maxbytes', 'workshop'), $options);
 163          $mform->setDefault('maxbytes', $workshopconfig->maxbytes);
 164          $mform->hideIf('maxbytes', 'submissiontypefileavailable');
 165  
 166          $label = get_string('latesubmissions', 'workshop');
 167          $text = get_string('latesubmissions_desc', 'workshop');
 168          $mform->addElement('checkbox', 'latesubmissions', $label, $text);
 169          $mform->addHelpButton('latesubmissions', 'latesubmissions', 'workshop');
 170  
 171          // Assessment settings --------------------------------------------------------
 172          $mform->addElement('header', 'assessmentsettings', get_string('assessmentsettings', 'workshop'));
 173  
 174          $label = get_string('instructreviewers', 'workshop');
 175          $mform->addElement('editor', 'instructreviewerseditor', $label, null,
 176                              workshop::instruction_editors_options($this->context));
 177  
 178          $label = get_string('useselfassessment', 'workshop');
 179          $text = get_string('useselfassessment_desc', 'workshop');
 180          $mform->addElement('checkbox', 'useselfassessment', $label, $text);
 181          $mform->addHelpButton('useselfassessment', 'useselfassessment', 'workshop');
 182  
 183          // Feedback -------------------------------------------------------------------
 184          $mform->addElement('header', 'feedbacksettings', get_string('feedbacksettings', 'workshop'));
 185  
 186          $mform->addElement('select', 'overallfeedbackmode', get_string('overallfeedbackmode', 'mod_workshop'), array(
 187              0 => get_string('overallfeedbackmode_0', 'mod_workshop'),
 188              1 => get_string('overallfeedbackmode_1', 'mod_workshop'),
 189              2 => get_string('overallfeedbackmode_2', 'mod_workshop')));
 190          $mform->addHelpButton('overallfeedbackmode', 'overallfeedbackmode', 'mod_workshop');
 191          $mform->setDefault('overallfeedbackmode', 1);
 192  
 193          $options = array();
 194          for ($i = 7; $i >= 0; $i--) {
 195              $options[$i] = $i;
 196          }
 197          $mform->addElement('select', 'overallfeedbackfiles', get_string('overallfeedbackfiles', 'workshop'), $options);
 198          $mform->setDefault('overallfeedbackfiles', 0);
 199          $mform->hideIf('overallfeedbackfiles', 'overallfeedbackmode', 'eq', 0);
 200  
 201          $label = get_string('allowedfiletypesforoverallfeedback', 'workshop');
 202          $mform->addElement('filetypes', 'overallfeedbackfiletypes', $label);
 203          $mform->addHelpButton('overallfeedbackfiletypes', 'allowedfiletypesforoverallfeedback', 'workshop');
 204          $mform->hideIf('overallfeedbackfiletypes', 'overallfeedbackfiles', 'eq', 0);
 205  
 206          $options = get_max_upload_sizes($CFG->maxbytes, $this->course->maxbytes);
 207          $mform->addElement('select', 'overallfeedbackmaxbytes', get_string('overallfeedbackmaxbytes', 'workshop'), $options);
 208          $mform->setDefault('overallfeedbackmaxbytes', $workshopconfig->maxbytes);
 209          $mform->hideIf('overallfeedbackmaxbytes', 'overallfeedbackmode', 'eq', 0);
 210          $mform->hideIf('overallfeedbackmaxbytes', 'overallfeedbackfiles', 'eq', 0);
 211  
 212          $label = get_string('conclusion', 'workshop');
 213          $mform->addElement('editor', 'conclusioneditor', $label, null,
 214                              workshop::instruction_editors_options($this->context));
 215          $mform->addHelpButton('conclusioneditor', 'conclusion', 'workshop');
 216  
 217          // Example submissions --------------------------------------------------------
 218          $mform->addElement('header', 'examplesubmissionssettings', get_string('examplesubmissions', 'workshop'));
 219  
 220          $label = get_string('useexamples', 'workshop');
 221          $text = get_string('useexamples_desc', 'workshop');
 222          $mform->addElement('checkbox', 'useexamples', $label, $text);
 223          $mform->addHelpButton('useexamples', 'useexamples', 'workshop');
 224  
 225          $label = get_string('examplesmode', 'workshop');
 226          $options = workshop::available_example_modes_list();
 227          $mform->addElement('select', 'examplesmode', $label, $options);
 228          $mform->setDefault('examplesmode', $workshopconfig->examplesmode);
 229          $mform->hideIf('examplesmode', 'useexamples');
 230  
 231          // Availability ---------------------------------------------------------------
 232          $mform->addElement('header', 'accesscontrol', get_string('availability', 'core'));
 233  
 234          $label = get_string('submissionstart', 'workshop');
 235          $mform->addElement('date_time_selector', 'submissionstart', $label, array('optional' => true));
 236  
 237          $label = get_string('submissionend', 'workshop');
 238          $mform->addElement('date_time_selector', 'submissionend', $label, array('optional' => true));
 239  
 240          $label = get_string('submissionendswitch', 'mod_workshop');
 241          $mform->addElement('checkbox', 'phaseswitchassessment', $label);
 242          $mform->hideIf('phaseswitchassessment', 'submissionend[enabled]');
 243          $mform->addHelpButton('phaseswitchassessment', 'submissionendswitch', 'mod_workshop');
 244  
 245          $label = get_string('assessmentstart', 'workshop');
 246          $mform->addElement('date_time_selector', 'assessmentstart', $label, array('optional' => true));
 247  
 248          $label = get_string('assessmentend', 'workshop');
 249          $mform->addElement('date_time_selector', 'assessmentend', $label, array('optional' => true));
 250  
 251          $coursecontext = context_course::instance($this->course->id);
 252          // To be removed (deprecated) with MDL-67526.
 253          plagiarism_get_form_elements_module($mform, $coursecontext, 'mod_workshop');
 254  
 255          // Common module settings, Restrict availability, Activity completion etc. ----
 256          $features = array('groups' => true, 'groupings' => true,
 257                  'outcomes' => true, 'gradecat' => false, 'idnumber' => false);
 258  
 259          $this->standard_coursemodule_elements();
 260  
 261          // Standard buttons, common to all modules ------------------------------------
 262          $this->add_action_buttons();
 263  
 264          $PAGE->requires->js_call_amd('mod_workshop/modform', 'init');
 265      }
 266  
 267      /**
 268       * Prepares the form before data are set
 269       *
 270       * Additional wysiwyg editor are prepared here, the introeditor is prepared automatically by core.
 271       * Grade items are set here because the core modedit supports single grade item only.
 272       *
 273       * @param array $data to be set
 274       * @return void
 275       */
 276      public function data_preprocessing(&$data) {
 277          if ($this->current->instance) {
 278              // editing an existing workshop - let us prepare the added editor elements (intro done automatically)
 279              $draftitemid = file_get_submitted_draft_itemid('instructauthors');
 280              $data['instructauthorseditor']['text'] = file_prepare_draft_area($draftitemid, $this->context->id,
 281                                  'mod_workshop', 'instructauthors', 0,
 282                                  workshop::instruction_editors_options($this->context),
 283                                  $data['instructauthors']);
 284              $data['instructauthorseditor']['format'] = $data['instructauthorsformat'];
 285              $data['instructauthorseditor']['itemid'] = $draftitemid;
 286  
 287              $draftitemid = file_get_submitted_draft_itemid('instructreviewers');
 288              $data['instructreviewerseditor']['text'] = file_prepare_draft_area($draftitemid, $this->context->id,
 289                                  'mod_workshop', 'instructreviewers', 0,
 290                                  workshop::instruction_editors_options($this->context),
 291                                  $data['instructreviewers']);
 292              $data['instructreviewerseditor']['format'] = $data['instructreviewersformat'];
 293              $data['instructreviewerseditor']['itemid'] = $draftitemid;
 294  
 295              $draftitemid = file_get_submitted_draft_itemid('conclusion');
 296              $data['conclusioneditor']['text'] = file_prepare_draft_area($draftitemid, $this->context->id,
 297                                  'mod_workshop', 'conclusion', 0,
 298                                  workshop::instruction_editors_options($this->context),
 299                                  $data['conclusion']);
 300              $data['conclusioneditor']['format'] = $data['conclusionformat'];
 301              $data['conclusioneditor']['itemid'] = $draftitemid;
 302              // Set submission type checkboxes.
 303              foreach (['submissiontypetext', 'submissiontypefile'] as $type) {
 304                  $data[$type . 'available'] = 1;
 305                  $data[$type . 'required'] = 0;
 306                  if ($data[$type] == WORKSHOP_SUBMISSION_TYPE_DISABLED) {
 307                      $data[$type . 'available'] = 0;
 308                  } else if ($data[$type] == WORKSHOP_SUBMISSION_TYPE_REQUIRED) {
 309                      $data[$type . 'required'] = 1;
 310                  }
 311              }
 312          } else {
 313              // adding a new workshop instance
 314              $draftitemid = file_get_submitted_draft_itemid('instructauthors');
 315              file_prepare_draft_area($draftitemid, null, 'mod_workshop', 'instructauthors', 0);    // no context yet, itemid not used
 316              $data['instructauthorseditor'] = array('text' => '', 'format' => editors_get_preferred_format(), 'itemid' => $draftitemid);
 317  
 318              $draftitemid = file_get_submitted_draft_itemid('instructreviewers');
 319              file_prepare_draft_area($draftitemid, null, 'mod_workshop', 'instructreviewers', 0);    // no context yet, itemid not used
 320              $data['instructreviewerseditor'] = array('text' => '', 'format' => editors_get_preferred_format(), 'itemid' => $draftitemid);
 321  
 322              $draftitemid = file_get_submitted_draft_itemid('conclusion');
 323              file_prepare_draft_area($draftitemid, null, 'mod_workshop', 'conclusion', 0);    // no context yet, itemid not used
 324              $data['conclusioneditor'] = array('text' => '', 'format' => editors_get_preferred_format(), 'itemid' => $draftitemid);
 325          }
 326      }
 327  
 328      /**
 329       * Combine submission type checkboxes into integer values for the database.
 330       *
 331       * @param stdClass $data The submitted form data.
 332       */
 333      public function data_postprocessing($data) {
 334          parent::data_postprocessing($data);
 335  
 336          foreach (['text', 'file'] as $type) {
 337              $field = 'submissiontype' . $type;
 338              $available = $field . 'available';
 339              $required = $field . 'required';
 340              if ($data->$required) {
 341                  $data->$field = WORKSHOP_SUBMISSION_TYPE_REQUIRED;
 342              } else if ($data->$available) {
 343                  $data->$field = WORKSHOP_SUBMISSION_TYPE_AVAILABLE;
 344              } else {
 345                  $data->$field = WORKSHOP_SUBMISSION_TYPE_DISABLED;
 346              }
 347              unset($data->$available);
 348              unset($data->$required);
 349          }
 350      }
 351  
 352      /**
 353       * Set the grade item categories when editing an instance
 354       */
 355      public function definition_after_data() {
 356  
 357          $mform =& $this->_form;
 358  
 359          if ($id = $mform->getElementValue('update')) {
 360              $instance   = $mform->getElementValue('instance');
 361  
 362              $gradeitems = grade_item::fetch_all(array(
 363                  'itemtype'      => 'mod',
 364                  'itemmodule'    => 'workshop',
 365                  'iteminstance'  => $instance,
 366                  'courseid'      => $this->course->id));
 367  
 368              if (!empty($gradeitems)) {
 369                  foreach ($gradeitems as $gradeitem) {
 370                      // here comes really crappy way how to set the value of the fields
 371                      // gradecategory and gradinggradecategory - grrr QuickForms
 372                      $decimalpoints = $gradeitem->get_decimals();
 373                      if ($gradeitem->itemnumber == 0) {
 374                          $mform->setDefault('submissiongradepass', format_float($gradeitem->gradepass, $decimalpoints));
 375                          $group = $mform->getElement('submissiongradegroup');
 376                          $elements = $group->getElements();
 377                          foreach ($elements as $element) {
 378                              if ($element->getName() == 'gradecategory') {
 379                                  $element->setValue($gradeitem->categoryid);
 380                              }
 381                          }
 382                      } else if ($gradeitem->itemnumber == 1) {
 383                          $mform->setDefault('gradinggradepass', format_float($gradeitem->gradepass, $decimalpoints));
 384                          $group = $mform->getElement('gradinggradegroup');
 385                          $elements = $group->getElements();
 386                          foreach ($elements as $element) {
 387                              if ($element->getName() == 'gradinggradecategory') {
 388                                  $element->setValue($gradeitem->categoryid);
 389                              }
 390                          }
 391                      }
 392                  }
 393              }
 394          }
 395          $typevalues = $mform->getElementValue('submissiontypes');
 396          foreach (['submissiontypetext', 'submissiontypefile'] as $type) {
 397              // Don't leave a disabled "required" checkbox checked.
 398              if (!$typevalues[$type . 'available']) {
 399                  $mform->setDefault($type . 'required', 0);
 400              }
 401          }
 402  
 403          parent::definition_after_data();
 404      }
 405  
 406      /**
 407       * Validates the form input
 408       *
 409       * @param array $data submitted data
 410       * @param array $files submitted files
 411       * @return array eventual errors indexed by the field name
 412       */
 413      public function validation($data, $files) {
 414          $errors = parent::validation($data, $files);
 415  
 416          // check the phases borders are valid
 417          if ($data['submissionstart'] > 0 and $data['submissionend'] > 0 and $data['submissionstart'] >= $data['submissionend']) {
 418              $errors['submissionend'] = get_string('submissionendbeforestart', 'mod_workshop');
 419          }
 420          if ($data['assessmentstart'] > 0 and $data['assessmentend'] > 0 and $data['assessmentstart'] >= $data['assessmentend']) {
 421              $errors['assessmentend'] = get_string('assessmentendbeforestart', 'mod_workshop');
 422          }
 423  
 424          // check the phases do not overlap
 425          if (max($data['submissionstart'], $data['submissionend']) > 0 and max($data['assessmentstart'], $data['assessmentend']) > 0) {
 426              $phasesubmissionend = max($data['submissionstart'], $data['submissionend']);
 427              $phaseassessmentstart = min($data['assessmentstart'], $data['assessmentend']);
 428              if ($phaseassessmentstart == 0) {
 429                  $phaseassessmentstart = max($data['assessmentstart'], $data['assessmentend']);
 430              }
 431              if ($phasesubmissionend > 0 and $phaseassessmentstart > 0 and $phaseassessmentstart < $phasesubmissionend) {
 432                  foreach (array('submissionend', 'submissionstart', 'assessmentstart', 'assessmentend') as $f) {
 433                      if ($data[$f] > 0) {
 434                          $errors[$f] = get_string('phasesoverlap', 'mod_workshop');
 435                          break;
 436                      }
 437                  }
 438              }
 439          }
 440  
 441          // Check that the submission grade pass is a valid number.
 442          if (!empty($data['submissiongradepass'])) {
 443              $submissiongradefloat = unformat_float($data['submissiongradepass'], true);
 444              if ($submissiongradefloat === false) {
 445                  $errors['submissiongradepass'] = get_string('err_numeric', 'form');
 446              } else {
 447                  if ($submissiongradefloat > $data['grade']) {
 448                      $errors['submissiongradepass'] = get_string('gradepassgreaterthangrade', 'grades', $data['grade']);
 449                  }
 450              }
 451          }
 452  
 453          // Check that the grade pass is a valid number.
 454          if (!empty($data['gradinggradepass'])) {
 455              $gradepassfloat = unformat_float($data['gradinggradepass'], true);
 456              if ($gradepassfloat === false) {
 457                  $errors['gradinggradepass'] = get_string('err_numeric', 'form');
 458              } else {
 459                  if ($gradepassfloat > $data['gradinggrade']) {
 460                      $errors['gradinggradepass'] = get_string('gradepassgreaterthangrade', 'grades', $data['gradinggrade']);
 461                  }
 462              }
 463          }
 464  
 465          if (!$data['submissiontypetextavailable'] && !$data['submissiontypefileavailable']) {
 466              // One submission type must be available.
 467              $errors['submissiontypes'] = get_string('nosubmissiontype', 'workshop');
 468          }
 469  
 470          return $errors;
 471      }
 472  }