/**
* function actionEdit:
* processes subaction and calls getQuizEditForm function which renders edit interface
*/
public function actionEdit()
{
// dataSource: the $dataSource argument to get*Form() functions specifies where to persist data for the form from.
// if a submit was in progress, and the submit was successful, we set dataSource to db.
// else, we set dataSource to POST, because we need to present the user's entered values, rather than existing values
// so that he/she may make changes and submit again, with least hassle.
if (isset($_GET['subaction'])) {
switch ($_GET['subaction']) {
case 'addsections':
if (!$this->isValidId($_POST['txtSectionCount'])) {
displayerror('Error. No count specified.');
} else {
$count = escape($_POST['txtSectionCount']);
if (addSections($this->moduleComponentId, $count) !== false) {
displayinfo('Section(s) added successfully.');
}
}
break;
case 'editsection':
$dataSource = 'db';
if (!$this->isValidId($_GET['sectionid'])) {
displayerror('Error. Invalid section id specified.');
} elseif (isset($_POST['btnSubmit'])) {
$dataSource = 'POST';
if (submitSectionEditForm($this->moduleComponentId, intval($_GET['sectionid']))) {
displayinfo('Section properties saved successfully.');
$dataSource = 'db';
}
}
return getSectionEditForm($this->moduleComponentId, intval($_GET['sectionid']), $dataSource);
break;
case 'deletesection':
if (!$this->isValidId($_POST['hdnSectionId'])) {
displayerror('Error. Invalid section id specified.');
} elseif (deleteSection($this->moduleComponentId, intval($_POST['hdnSectionId']))) {
displayinfo('The specified section was successfully deleted.');
}
break;
case 'movesection':
if (!$this->isValidId($_GET['sectionid'])) {
displayerror('Error. Invalid section id specified.');
} elseif (!isset($_GET['direction']) || $_GET['direction'] != 'up' && $_GET['direction'] != 'down') {
displayerror('Error. No or invalid direction specified. Could not move section.');
} elseif (moveSection($this->moduleComponentId, intval($_GET['sectionid']))) {
displayinfo('The specified section was successfully moved.');
}
break;
case 'addquestions':
if (!$this->isValidId($_GET['sectionid'])) {
displayerror('Error. No or invalid section id specified. Could not add question.');
} elseif (!$this->isValidId($_POST['txtQuestionCount'])) {
displayerror('Error. No or invalid count specified. Could not add question.');
} else {
$count = intval($_POST['txtQuestionCount']);
$insertIds = addQuestions($this->moduleComponentId, intval($_GET['sectionid']), $count);
if ($insertIds !== false) {
displayinfo('New question(s) added successfully.');
}
}
break;
case 'editquestion':
$dataSource = 'db';
if (!$this->isValidId($_GET['sectionid']) || !$this->isValidId($_GET['questionid'])) {
displayerror('Error. Invalid section or question specified.');
} elseif (isset($_POST['btnSubmit'])) {
$dataSource = 'POST';
if (submitQuestionEditForm($this->moduleComponentId, intval($_GET['sectionid']), intval($_GET['questionid']))) {
displayinfo('Question properties saved successfully.');
$dataSource = 'db';
}
}
return getQuestionEditForm($this->moduleComponentId, intval($_GET['sectionid']), intval($_GET['questionid']), $dataSource);
break;
case 'deletequestion':
if (!$this->isValidId($_POST['hdnSectionId']) || !$this->isValidId($_POST['hdnQuestionId'])) {
displayerror('Error. Invalid section or question specified.');
} elseif (deleteQuestion($this->moduleComponentId, intval($_POST['hdnSectionId']), intval($_POST['hdnQuestionId']))) {
displayinfo('Question successfully deleted.');
}
break;
case 'movequestion':
if (!$this->isValidId($_GET['sectionid'])) {
displayerror('Error. Invalid section id specified.');
} elseif (!$this->isValidId($_GET['questionid'])) {
displayerror('Error. Invalid question id specified.');
} elseif (!isset($_GET['direction']) || $_GET['direction'] != 'up' && $_GET['direction'] != 'down') {
displayerror('Error. No or invalid direction specified. Could not move section.');
} elseif (moveQuestion($this->moduleComponentId, intval($_GET['sectionid']), intval($_GET['questionid']), $_GET['direction'])) {
displayinfo('The specified question was successfully moved.');
}
break;
}
}
if (isset($_POST['btnSetWeightMarks'])) {
if (setWeightMark(intval($_POST['quizId']), intval($_POST['weight']), intval($_POST['pos']), intval($_POST['neg']))) {
displayinfo('Weight - Marks saved.');
} else {
displayerror('Error in changing weight mark');
}
}
$dataSource = 'db';
if (isset($_POST['btnSubmit'])) {
$dataSource = 'POST';
if (submitQuizEditForm($this->moduleComponentId)) {
$dataSource = 'db';
}
}
return getQuizEditForm($this->moduleComponentId, $dataSource);
}
changeContent($cid, 0, $sectionid, $option);
break;
case 'cancel':
cancelContent($option);
break;
case 'orderup':
orderContent($cid[0], -1, $option);
break;
case 'orderdown':
orderContent($cid[0], 1, $option);
break;
case 'showarchive':
viewArchive($sectionid, $option);
break;
case 'movesect':
moveSection($cid, $sectionid, $option);
break;
case 'movesectsave':
moveSectionSave($cid, $sectionid, $option);
break;
case 'copy':
copyItem($cid, $sectionid, $option);
break;
case 'copysave':
copyItemSave($cid, $sectionid, $option);
break;
case 'resethits':
resetHits();
break;
case 'accesspublic':
accessMenu($cid[0], 0, $option, $client);
