keep subtitle until next layer shows up

app/static/js/item.js

@@ -113,6 +113,15 @@ async function loadData(id, args) {
         })
     })
     var value = []
+    if (data.layers[pandora.subtitleLayer]) {
+        var previous;
+        data.layers[pandora.subtitleLayer].forEach(annotation => {
+            if (previous) {
+                previous.out = annotation['in']
+            }
+            previous = annotation
+        })
+    }
     Object.keys(data.layers).forEach(layer => {
         var html = []
         var layerData = getObjectById(pandora.site.layers, layer)
@@ -132,7 +141,11 @@ async function loadData(id, args) {
                 </div>
             `)
         })
-        value.push('<div class="layer">' + html.join('\n') + '</div>')
+        var layerClass = ""
+        if (layerData.isSubtitles) {
+            layerClass = " is-subtitles"
+        }
+        value.push('<div class="layer'+layerClass+'">' + html.join('\n') + '</div>')
     })
     data.value = value.join('\n')
 

app/static/js/main.js

@@ -108,6 +108,7 @@ pandoraAPI("init").then(response => {
     if (subtitleLayer) {
         layerKeys.push(subtitleLayer.id)
     }
+    pandora.subtitleLayer = subtitleLayer.id
     pandora.site.layers.map(layer => {
         return layer.id
     }).filter(layer => {