From 1ecd3c304d82c5f4263ddc3963b4a60467ddda2c Mon Sep 17 00:00:00 2001
From: Jayesh Anandani <jayeshanandani@gmail.com>
Date: Thu, 9 May 2013 19:55:26 +0530
Subject: [PATCH] MDL-39155 Quiz: Provide 3 image-size options on the settings
 page

---
 mod/quiz/attemptlib.php   |  7 ++++---
 mod/quiz/lang/en/quiz.php |  3 +++
 mod/quiz/locallib.php     | 15 +++++++++++++++
 mod/quiz/mod_form.php     |  6 ++++--
 mod/quiz/settings.php     | 10 ++++++++--
 5 files changed, 34 insertions(+), 7 deletions(-)

diff --git a/mod/quiz/attemptlib.php b/mod/quiz/attemptlib.php
index 0585941dcdc..2da7835dd8d 100644
--- a/mod/quiz/attemptlib.php
+++ b/mod/quiz/attemptlib.php
@@ -1683,14 +1683,15 @@ abstract class quiz_nav_panel_base {
 
     public function user_picture() {
         global $DB;
-
-        if (!$this->attemptobj->get_quiz()->showuserpicture) {
+        if ($this->attemptobj->get_quiz()->showuserpicture == QUIZ_SHOWIMAGE_NONE) {
             return null;
         }
-
         $user = $DB->get_record('user', array('id' => $this->attemptobj->get_userid()));
         $userpicture = new user_picture($user);
         $userpicture->courseid = $this->attemptobj->get_courseid();
+        if ($this->attemptobj->get_quiz()->showuserpicture == QUIZ_SHOWIMAGE_LARGE) {
+            $userpicture->size = true;
+        }
         return $userpicture;
     }
 }
diff --git a/mod/quiz/lang/en/quiz.php b/mod/quiz/lang/en/quiz.php
index 7c902dbd95e..c6a4f8b059c 100644
--- a/mod/quiz/lang/en/quiz.php
+++ b/mod/quiz/lang/en/quiz.php
@@ -770,9 +770,12 @@ $string['showdetailedmarks'] = 'Show mark details';
 $string['showeachpage'] = 'Show one page at a time';
 $string['showfeedback'] = 'After answering, show feedback?';
 $string['showinsecurepopup'] = 'Use a \'secure\' popup window for attempts';
+$string['showlargeimage'] = 'Large image';
 $string['shownoattempts'] = 'Show students with no attempts';
 $string['shownoattemptsonly'] = 'Show only students with no attempts';
+$string['shownoimage'] = 'No image';
 $string['showreport'] = 'Show report';
+$string['showsmallimage'] = 'Small image';
 $string['showteacherattempts'] = 'Show teacher attempts';
 $string['showuserpicture'] = 'Show the user\'s picture';
 $string['showuserpicture_help'] = 'If enabled, the student\'s name and picture will be shown on-screen during the attempt, and on the review screen, making it easier to check that the student is logged in as themself in an invigilated (proctored) exam.';
diff --git a/mod/quiz/locallib.php b/mod/quiz/locallib.php
index a366a8425b3..fd9a9fb50bf 100644
--- a/mod/quiz/locallib.php
+++ b/mod/quiz/locallib.php
@@ -55,6 +55,21 @@ define('QUIZ_SHOW_TIME_BEFORE_DEADLINE', '3600');
  */
 define('QUIZ_MIN_TIME_TO_CONTINUE', '2');
 
+/**
+ * @var int We show no image when user selects No image from dropdown menu in quiz settings.
+ */
+define('QUIZ_SHOWIMAGE_NONE', 0);
+
+/**
+ * @var int We show small image when user selects small image from dropdown menu in quiz settings.
+ */
+define('QUIZ_SHOWIMAGE_SMALL', 1);
+
+/**
+ * @var int We show Large image when user selects Large image from dropdown menu in quiz settings.
+ */
+define('QUIZ_SHOWIMAGE_LARGE', 2);
+
 
 // Functions related to attempts ///////////////////////////////////////////////
 
diff --git a/mod/quiz/mod_form.php b/mod/quiz/mod_form.php
index a7b98a1fd3c..2580b2839b2 100644
--- a/mod/quiz/mod_form.php
+++ b/mod/quiz/mod_form.php
@@ -249,8 +249,10 @@ class mod_quiz_mod_form extends moodleform_mod {
         $mform->addElement('header', 'display', get_string('display', 'form'));
 
         // Show user picture.
-        $mform->addElement('selectyesno', 'showuserpicture',
-                get_string('showuserpicture', 'quiz'));
+        $mform->addElement('select', 'showuserpicture', get_string('showuserpicture', 'quiz'), array(
+                QUIZ_SHOWIMAGE_NONE => get_string('shownoimage', 'quiz'),
+                QUIZ_SHOWIMAGE_SMALL => get_string('showsmallimage', 'quiz'),
+                QUIZ_SHOWIMAGE_LARGE => get_string('showlargeimage', 'quiz')));
         $mform->addHelpButton('showuserpicture', 'showuserpicture', 'quiz');
         $mform->setAdvanced('showuserpicture', $quizconfig->showuserpicture_adv);
         $mform->setDefault('showuserpicture', $quizconfig->showuserpicture);
diff --git a/mod/quiz/settings.php b/mod/quiz/settings.php
index 66ca1bad1b7..cc99350d9d6 100644
--- a/mod/quiz/settings.php
+++ b/mod/quiz/settings.php
@@ -28,6 +28,7 @@ defined('MOODLE_INTERNAL') || die();
 
 require_once($CFG->dirroot . '/mod/quiz/lib.php');
 require_once($CFG->dirroot . '/mod/quiz/settingslib.php');
+require_once($CFG->dirroot . '/mod/quiz/locallib.php');
 
 // First get a list of quiz reports with there own settings pages. If there none,
 // we use a simpler overall menu structure.
@@ -152,9 +153,14 @@ foreach (mod_quiz_admin_review_setting::fields() as $field => $name) {
 }
 
 // Show the user's picture.
-$quizsettings->add(new admin_setting_configcheckbox_with_advanced('quiz/showuserpicture',
+$options = array(
+                QUIZ_SHOWIMAGE_NONE => get_string('shownoimage', 'quiz'),
+                QUIZ_SHOWIMAGE_SMALL => get_string('showsmallimage', 'quiz'),
+                QUIZ_SHOWIMAGE_LARGE => get_string('showlargeimage', 'quiz'));
+
+$quizsettings->add(new admin_setting_configselect_with_advanced('quiz/showuserpicture',
         get_string('showuserpicture', 'quiz'), get_string('configshowuserpicture', 'quiz'),
-        array('value' => 0, 'adv' => false)));
+        array('value' => QUIZ_SHOWIMAGE_NONE, 'adv' => false), $options));
 
 // Decimal places for overall grades.
 $options = array();