first implementation of a station dropdown

csdr/chain/dablin.py

@@ -40,7 +40,10 @@ class MetaProcessor(PickleModule):
         if "programmes" in data:
             result["programmes"] = data["programmes"]
         # don't send out data if there was nothing interesting for the client
-        return result if result else None
+        if not result:
+            return
+        result["mode"] = "DAB"
+        return result
 
 
 class Dablin(BaseDemodulatorChain, FixedIfSampleRateChain, FixedAudioRateChain, HdAudio, MetaProvider):

htdocs/index.html

@@ -150,6 +150,7 @@
                     </div>
                 </div>
                 <div class="openwebrx-panel openwebrx-meta-panel disabled" id="openwebrx-panel-metadata-wfm" style="display: none;" data-panel-name="metadata-wfm"></div>
+                <div class="openwebrx-panel openwebrx-meta-panel" id="openwebrx-panel-metadata-dab" style="display: none;" data-panel-name="metadata-dab"></div>
                 <div class="openwebrx-panel" id="openwebrx-panel-log" data-panel-name="debug" style="width: 619px;">
                     <div class="openwebrx-panel-inner nano" id="openwebrx-log-scroll">
                         <div class="nano-content">

htdocs/lib/MetaPanel.js

@@ -550,6 +550,39 @@ WfmMetaPanel.prototype.clear = function() {
     this.radiotext_plus = false;
 };
 
+function DabMetaPanel(el) {
+    MetaPanel.call(this, el);
+    this.modes = ['DAB'];
+    $(this.el).html(
+        '<select id="dab-service-id"></select>'
+    )
+    this.clear();
+}
+
+DabMetaPanel.prototype = new MetaPanel();
+
+DabMetaPanel.prototype.isSupported = function(data) {
+    return this.modes.includes(data.mode);
+}
+
+
+DabMetaPanel.prototype.update = function(data) {
+    if (!this.isSupported(data)) return;
+
+    if ('programmes' in data) {
+        var options = Object.entries(data.programmes).map(function(e) {
+            return '<option value="' + e[0] + '">' + e[1] + '</option>';
+        });
+        $(this.el).find('#dab-service-id').html(options.join(''));
+    }
+
+    console.info(data);
+}
+
+DabMetaPanel.prototype.clear = function() {
+
+}
+
 MetaPanel.types = {
     dmr: DmrMetaPanel,
     ysf: YsfMetaPanel,
@@ -557,6 +590,7 @@ MetaPanel.types = {
     nxdn: NxdnMetaPanel,
     m17: M17MetaPanel,
     wfm: WfmMetaPanel,
+    dab: DabMetaPanel,
 };
 
 $.fn.metaPanel = function() {