improve the message block of the post form

classes/post_form.php

@@ -58,7 +58,8 @@ public function definition() {
         $modform->addRule('subject', get_string('maximumchars', '', 255), 'maxlength', 255, 'client');
 
         // The message.
-        $modform->addElement('editor', 'message', get_string('message', 'moodleoverflow'), null);
+        $modform->addElement('editor', 'message', get_string('message', 'moodleoverflow'), null,
+                             self::editor_options($modcontext, (empty($post->id) ? null : $post->id)));
         $modform->setType('message', PARAM_RAW);
         $modform->addRule('message', get_string('required'), 'required', null, 'client');
 
@@ -141,6 +142,25 @@ public static function attachment_options($moodleoverflow) {
             'return_types' => FILE_INTERNAL | FILE_CONTROLLED_LINK,
         ];
     }
+
+    /**
+     * Returns the options array to use in forum text editor
+     *
+     * @param context_module $context
+     * @param int $postid post id, use null when adding new post
+     * @return array
+     */
+    public static function editor_options(context_module $context, $postid) {
+        global $COURSE, $PAGE, $CFG;
+        $maxbytes = get_user_max_upload_file_size($PAGE->context, $CFG->maxbytes, $COURSE->maxbytes);
+        return [
+            'maxfiles' => EDITOR_UNLIMITED_FILES,
+            'maxbytes' => $maxbytes,
+            'trusttext' => true,
+            'return_types' => FILE_INTERNAL | FILE_EXTERNAL,
+            'subdirs' => file_area_contains_subdirs($context, 'mod_forum', 'post', $postid),
+        ];
+    }
 }
 
 

locallib.php

@@ -32,7 +32,9 @@
 
 defined('MOODLE_INTERNAL') || die();
 
+global $CFG;
 require_once(dirname(__FILE__) . '/lib.php');
+require_once($CFG->libdir . '/portfoliolib.php');
 
 /**
  * Get all discussions in a moodleoverflow instance.
@@ -1449,7 +1451,8 @@ function moodleoverflow_print_post($post, $discussion, $moodleoverflow, $cm, $co
     $mustachedata->withinreviewperiod = $reviewable;
 
     // Prepare the post.
-    $mustachedata->postcontent = format_text($post->message, $post->messageformat, ['context' => $modulecontext]);
+    $options = (array) portfolio_format_text_options() + ['context' => $modulecontext];
+    $mustachedata->postcontent = format_text($post->message, $post->messageformat, $options);
 
     // Load the attachments.
     $mustachedata->attachments = get_attachments($post, $cm);

templates/post.mustache

@@ -77,7 +77,7 @@
                         <br>
                     {{/image}}
                     {{^image}}
-                        <a href="{{filepath}}">
+                        <a class="icon-size-6" href="{{filepath}}">
                             {{{icon}}}
                         </a>
                         <a href="{{filepath}}">