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MDL-20636 Fix if the use of the File API so images work in questions.

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This commit is contained in:
Tim Hunt
2011-01-13 18:35:57 +00:00
parent 32d8935c8d
commit 7a7197482d
31 changed files with 373 additions and 236 deletions
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question/previewlib.php
+18 -48
View File
@@ -26,6 +26,9 @@
*/
require_once($CFG->libdir . '/formslib.php');
/**
* Settings form for the preview options.
*
@@ -194,67 +197,34 @@ class question_preview_options extends question_display_options {
* @param object $context context object
* @param string $component the name of the component we are serving files for.
* @param string $filearea the name of the file area.
* @param integer $qubaid the question_usage this image belongs to.
* @param integer $slot the relevant slot within the usage.
* @param array $args the remaining bits of the file path.
* @param bool $forcedownload whether the user must be forced to download the file.
* @return bool false if file not found, does not return if found - justsend the file
*/
function question_preview_question_pluginfile($course, $context, $component,
$filearea, $attemptid, $questionid, $args, $forcedownload) {
global $USER, $SESSION, $DB, $CFG;
require_once($CFG->dirroot . '/mod/quiz/locallib.php');
$filearea, $qubaid, $slot, $args, $forcedownload) {
global $USER, $DB, $CFG;
if (!$question = $DB->get_record('question', array('id' => $questionid))) {
return send_file_not_found();
}
$quba = question_engine::load_questions_usage_by_activity($qubaid);
if (!question_has_capability_on($question, 'use', $question->category)) {
if ($quba->get_owning_context()->id != $context->id) {
send_file_not_found();
}
if (!isset($SESSION->quizpreview->states) || $SESSION->quizpreview->questionid != $questionid) {
if (!question_has_capability_on($quba->get_question($slot), 'use')) {
send_file_not_found();
}
$states = end($SESSION->quizpreview->states);
if (!array_key_exists($question->id, $states)) {
send_file_not_found();
}
$state = $states[$question->id];
// Build fake cmoptions
$quiz = new cmoptions;
$quiz->id = 0;
$quiz->review = get_config('quiz', 'review');
if (empty($course->id)) {
$quiz->course = SITEID;
} else {
$quiz->course = $course->id;
}
$quiz->decimalpoints = get_config('quiz', 'decimalpoints');
$questions[$question->id] = $question;
get_question_options($questions);
// Build fake attempt
$timenow = time();
$attempt = new stdClass();
$attempt->quiz = $quiz->id;
$attempt->userid = $USER->id;
$attempt->attempt = 0;
$attempt->sumgrades = 0;
$attempt->timestart = $timenow;
$attempt->timefinish = 0;
$attempt->timemodified = $timenow;
$attempt->uniqueid = 0;
$attempt->id = 0;
$attempt->layout = $question->id;
$options = quiz_get_renderoptions($quiz, $attempt, $context, $state);
$options->noeditlink = true;
// TODO: mulitichoice type needs quiz id to get maxgrade
$options->quizid = 0;
if (!question_check_file_access($question, $state, $options, $context->id, $component,
$options = new question_display_options();
$options->feedback = question_display_options::VISIBLE;
$options->numpartscorrect = question_display_options::VISIBLE;
$options->generalfeedback = question_display_options::VISIBLE;
$options->rightanswer = question_display_options::VISIBLE;
$options->manualcomment = question_display_options::VISIBLE;
$options->history = question_display_options::VISIBLE;
if (!$quba->check_file_access($slot, $options, $component,
$filearea, $args, $forcedownload)) {
send_file_not_found();
}