* VRFS-2806 - disallow concurrent open of dialog

web/app/assets/javascripts/session.js

@@ -94,6 +94,7 @@
         var $mixModeDropdown = null;
         var $templateMixerModeChange = null;
         var $closePlaybackRecording = null;
+        var $openBackingTrack = null;
         var mediaTrackGroups = [ChannelGroupIds.MediaTrackGroup, ChannelGroupIds.JamTrackGroup, ChannelGroupIds.MetronomeGroup];
 
         var rest = context.JK.Rest();
@@ -139,6 +140,8 @@
 
         function afterShow(data) {
 
+          $openBackingTrack.removeClass('disabled');
+
           if(!context.JK.JamServer.connected) {
             promptLeave = false;
             app.notifyAlert("Not Connected", 'To create or join a session, you must be connected to the server.');
@@ -1925,6 +1928,13 @@
           }
 
         function handleBackingTrackSelectedCallback(result) {
+
+          $openBackingTrack.removeClass('disabled');
+
+          if(!sessionModel.inSession()) {
+            return;
+          }
+
           if(result.success) {
             logger.debug("backing track selected: " + result.file);
 
@@ -1937,8 +1947,6 @@
               .fail(function(jqXHR) {
                 app.notifyServerError(jqXHR, "Unable to Open BackingTrack For Playback");
               })
-
-
           }
           else {
             logger.debug("no backing track selected")
@@ -2286,6 +2294,12 @@
         }
 
         function openBackingTrack(e) {
+
+          if($openBackingTrack.is('.disabled')) {
+            logger.debug("backing track dialog already open")
+            return false;
+          }
+
           // just ignore the click if they are currently recording for now
           if(sessionModel.recordingModel.isRecording()) {
             app.notify({
@@ -2296,13 +2310,8 @@
             return false;
           }
 
+          $openBackingTrack.addClass('disabled');
           context.jamClient.ShowSelectBackingTrackDialog("window.JK.HandleBackingTrackSelectedCallback");
-
-          //app.layout.showDialog('open-backing-track-dialog').one(EVENTS.DIALOG_CLOSED, function(e, data) {
-           // if(!data.cancel && data.result){
-           //   sessionModel.setBackingTrack(data.result);
-           // }
-          //})
           return false;
         }
 
@@ -2323,6 +2332,7 @@
         }
 
         function openBackingTrackFile(e) {
+
           // just ignore the click if they are currently recording for now
           if(sessionModel.recordingModel.isRecording()) {
               app.notify({
@@ -2611,7 +2621,7 @@
             $('#recording-start-stop').on('click', startStopRecording);
             $('#open-a-recording').on('click', openRecording);
             $('#open-a-jamtrack').on('click', openJamTrack);
-            $('#open-a-backingtrack').on('click', openBackingTrack);
+            $openBackingTrack.on('click', openBackingTrack);
             $('#open-a-metronome').on('click', openMetronome);
             $('#session-invite-musicians').on('click', inviteMusicians);
             $('#session-invite-musicians2').on('click', inviteMusicians);
@@ -2656,6 +2666,7 @@
             $mixModeDropdown = $screen.find('select.monitor-mode')
             $templateMixerModeChange = $('#template-mixer-mode-change');
             $closePlaybackRecording = $('#close-playback-recording')
+            $openBackingTrack = $('#open-a-backingtrack');
             events();