Fixed context switch not working in chrome

amd/src/page-edit-plan.js

@@ -233,11 +233,14 @@ export function init(contextid,categoryid,options) {
                     app.selectStudyplan(newstudyplan);
                 }
             },
-            switchContext(cat){
+            switchContext(ctxid){
                 const params = new URLSearchParams(location.search);
                 params.delete('categoryid');
-                params.set('contextid', cat.context_id);
+                params.set('contextid', ctxid);
-                window.location.search = params.toString();
+                setTimeout(() => {
+                    // Reload page in a timeout to give other form javasccript the change to remove the beforeunload handler.
+                    window.location.href = window.location.pathname + "?" + params.toString();
+                },50);
             },
             selectStudyplan(studyplan){
                 // fetch studyplan

amd/src/page-view-plan.js

@@ -126,11 +126,14 @@ export function init(contextid,categoryid) {
             }
         },
         methods: {
-            switchContext(cat){
+            switchContext(ctxid){
                 const params = new URLSearchParams(location.search);
                 params.delete('categoryid');
-                params.set('contextid', cat.context_id);
+                params.set('contextid', ctxid);
-                window.location.search = params.toString();
+                setTimeout(() => {
+                    // Reload page in a timeout to give other form javasccript the change to remove the beforeunload handler.
+                    window.location.href = window.location.pathname + "?" + params.toString();
+                },50);
             },
             closeStudyplan() {
                 app.activestudyplan = null;

classes/courseservice.php

@@ -314,6 +314,11 @@ class courseservice extends \external_api {
             $contextids[] = $r->context_id;
         }
 
+        // Add system context to list if needed.
+        if (!in_array(1,$contextids)) {
+            array_unshift($contextids,1);
+        }
+
         $rs->close();
 
         $cats = [];
@@ -339,6 +344,8 @@ class courseservice extends \external_api {
                 }
                 if(!$found) {
                     array_unshift($contextids,$refctxid);
+                    debug::write("After two");
+                    debug::print_r($contextids);
                 }
             } catch(\dml_missing_record_exception $x) {
                 // ignore context
@@ -358,10 +365,13 @@ class courseservice extends \external_api {
                     if ($operation == "edit" && $ctxid == $refctxid) {
                         // Include direct children for navigation purposes
                         foreach ($cat->get_children() as $ccat) {
+                            $ccatctx = \context_coursecat::instance($ccat->id);
+                            if (!in_array($ccatctx->id,$contextids)) {
                                 $cats[] = $ccat;
                             }
                         }
                     }
+                }
             } catch (\dml_missing_record_exception $x) {
                 // ignore context
             }
@@ -408,6 +418,11 @@ class courseservice extends \external_api {
         }
         $rs->close();
 
+        // Add system context to list if needed.
+        if (!in_array(1,$contextids)) {
+            array_unshift($contextids,1);
+        }
+
         $cats = [];
         // If the reference context id is not in the list, push it there
         if ($refctxid > 1 && !in_array($refctxid, $contextids)) {
@@ -451,10 +466,13 @@ class courseservice extends \external_api {
                     if ($operation == "view" && $ctxid == $refctxid) {
                         // Include direct children for navigation purposes
                         foreach ($cat->get_children() as $ccat) {
+                            $ccatctx = \context_coursecat::instance($ccat->id);
+                            if (!in_array($ccatctx->id,$contextids)) {
                                 $cats[] = $ccat;
                             }
                         }
                     }
+                }
             } catch (\dml_missing_record_exception $x) {
                 // ignore context
             }

edit-plan.php

@@ -107,9 +107,9 @@ print $OUTPUT->header();
     </div>
     <div v-cloak>
         <div v-if='!activestudyplan && usedcontexts' class='ml-3 mb-3'>
-            <b-form-select text='<?php print($contextname);?>' :value="contextid">
+            <b-form-select text='<?php print($contextname);?>' :value="contextid" @change='switchContext'>
-                <b-form-select-option v-for='ctx in usedcontexts' :key='ctx.id' :value="ctx.context_id" @click='switchContext(ctx)'
+                <b-form-select-option v-for='ctx in usedcontexts' :key='ctx.id' :value="ctx.context_id"
-                    :active="ctx.context_id == contextid" :class="(ctx.studyplancount > 0) ? 'font-weight-bold' : ''"
+                    :class="(ctx.studyplancount > 0) ? 'font-weight-bold' : '' + (ctx.context_id == contextid)?' active':''"
                 ><span v-for="(p, i) in ctx.category.path"
                     ><span v-if="i>0"> / </span>{{ p }}</span> <span>({{ ctx.studyplancount }})</span>
                 </b-form-select-option>

view-plan.php

@@ -104,9 +104,9 @@ print $OUTPUT->header();
     </div>
     <div v-cloak>
         <div v-if='!activestudyplan && usedcontexts' class='ml-3 mb-3'>
-            <b-form-select text='<?php print($contextname);?>' :value="contextid">
+            <b-form-select text='<?php print($contextname);?>' :value="contextid" @change='switchContext'>
-                <b-form-select-option v-for='ctx in usedcontexts' :key='ctx.id' :value="ctx.context_id" @click='switchContext(ctx)'
+                <b-form-select-option v-for='ctx in usedcontexts' :key='ctx.id' :value="ctx.context_id" 
-                    :active="ctx.context_id == contextid" :class="(ctx.studyplancount > 0) ? 'font-weight-bold' : ''"
+                    :class="(ctx.studyplancount > 0) ? 'font-weight-bold' : '' + (ctx.context_id == contextid)?' active':''"
                 ><span v-for="(p, i) in ctx.category.path"><span v-if="i>0"> / </span>{{ p }}</span>
                  <span>({{ ctx.studyplancount }})</span></b-form-select-option>
             </b-form-select>