various fixes for when the result is an empty list

[unfold.git] / plugins / hazelnut / hazelnut.js

diff --git a/plugins/hazelnut/hazelnut.js b/plugins/hazelnut/hazelnut.js
index 3a9335f..192ab05 100644 (file)
--- a/plugins/hazelnut/hazelnut.js
+++ b/plugins/hazelnut/hazelnut.js
@@ -50,8 +50,11 @@
                 var update_channel  = '/update-set/' + options.query_uuid;
                 var results_channel = '/results/' + options.query_uuid + '/changed';
 
+               // xxx not tested yet
                 $.subscribe(query_channel,  function(e, query) { hazelnut.set_query(query); });
+               // xxx not tested yet
                 $.subscribe(update_channel, function(e, resources, instance) { hazelnut.set_resources(resources, instance); });
+               // expected to work
                 $.subscribe(results_channel, $this, function(e, rows) { hazelnut.update_plugin(e,rows); });
                if (debug) messages.debug("hazelnut '" + this.id + "' subscribed to e.g." + results_channel);
 
@@ -103,7 +106,7 @@
        // xxx thierry : initialize this here - it was not, I expect this relied on set_query somehow..
         //this.current_query = null;
        this.current_query=manifold.find_query(this.options.query_uuid);
-       if (debug) messages.debug("Hazelnut constructor: have set current_query -> " + this.current_query);
+//     if (debug) messages.debug("Hazelnut constructor: have set current_query -> " + this.current_query.__repr());
        this.query_update = null;
         this.current_resources = Array();
 
@@ -267,12 +270,13 @@
             var hazelnut = this;
     
             if (rows.length==0) {
-               if (debug) console.l ("empty result");
-                this.table.html(unfold.errorDisplay("No Result"));   
+               if (debug) messages.debug("Empty result on hazelnut " + domid);
+                this.table.html(unfold.warning("Empty result"));   
                 return;
             } else if (typeof(rows[0].error) != 'undefined') {
-               if (debug) messages.debug ("undefined result");
-                this.table.html(unfold.errorDisplay(rows[0].error));
+               // we now should have another means to report errors that this inline/embedded hack
+               if (debug) messages.error ("undefined result on " + domid + " - should not happen anymore");
+                this.table.html(unfold.error(rows[0].error));
                 return;
             }
             newlines = new Array();