fix the offline analysis page when loaded from the editor

It wasn't picking up the exam data from Numbas.get_exam_init_data

Author: christianp

themes/default/files/scripts/analysis-display.js

@@ -314,8 +314,20 @@ Numbas.queueScript('analysis-display', ['base', 'download', 'util', 'csv', 'disp
                     window.API_1484_11 = new SCORM_API({scorm_cmi: file.scorm_cmi()});
                     const existing_container = document.querySelector('section[data-tab="review"] numbas-exam');
                     const exam_container = document.createElement('numbas-exam');
-                    exam_container.append(existing_container.querySelector('script[type="application/numbas-exam"]'));
-                    exam_container.append(existing_container.querySelector('script[slot="extension-data"]'));
+                    const source_element = existing_container.querySelector('script[type="application/numbas-exam"]');
+                    if(source_element) {
+                        exam_container.append(source_element);
+                        exam_container.append(existing_container.querySelector('script[slot="extension-data"]'));
+                    } else {
+                        const {source_url, extension_data} = Numbas.get_exam_init_data();
+                        exam_container.setAttribute('source_url', source_url);
+                        const extension_data_script = document.createElement('script');
+                        extension_data_script.setAttribute('type', 'application/json');
+                        extension_data_script.setAttribute('slot','extension-data');
+                        extension_data_script.textContent = extension_data;
+                        exam_container.append(extension_data_script);
+                    }
+                    exam_container.setAttribute('storage','scorm');
                     existing_container.replaceWith(exam_container);
                 }
             };

themes/default/templates/analysis.html

@@ -290,7 +290,7 @@ <h2 class="readable-container">
                             <td data-bind="niceNumber: score"></td>
                             <td data-bind="niceNumber: max_score"></td>
                             <td data-bind="percentage: score_percentage"></td>
-                            <td><button class="btn" type="button" data-bind="click: $root.review_file"><span data-localise="analysis.review this"></span></button></td>
+                            <td><button class="btn info" type="button" data-bind="click: $root.review_file"><span data-localise="analysis.review this"></span></button></td>
                         </tr>
 
                     </tbody>
@@ -354,7 +354,7 @@ <h1 data-bind="text: reviewing_attempt_text"></h1>
             </header>
 
             <numbas-exam noload>
-                <script type="application/numbas-exam">{% if not dont_start_exam %}{{options.source}}{% endif %}</script>
+                {% if not dont_start_exam %}<script type="application/numbas-exam">{{options.source}}</script>{% endif %}
                 <script type="application/json" slot="extension-data">{{extension_data}}</script>
             </numbas-exam>
         </section>