update static version

dream/platform/static/jsplumb/jsplumb.js

@@ -117,6 +117,7 @@
             edge_data.destination = getNodeId(gadget, connection.targetId);
             gadget.props.data.graph.edge[connection.id] = edge_data;
         }
+        checkNodeConstraint(gadget, getNodeId(gadget, connection.targetId));
         gadget.notifyDataChanged();
     }
     function convertToAbsolutePosition(gadget, x, y) {
@@ -217,6 +218,20 @@
         });
         gadget.notifyDataChanged();
     }
+    function checkNodeConstraint(gadget, node_id) {
+        var element_id = gadget.props.node_id_to_dom_element_id[node_id], element = $(gadget.props.element).find("#" + element_id), jsplumb_instance = gadget.props.jsplumb_instance, node_class = gadget.props.data.graph.node[node_id]._class;
+        if (jsplumb_instance.getConnections({
+            target: element_id
+        }).length === 0 && node_class.toLowerCase().search("source") === -1) {
+            var warning = $("<div></div>").attr({
+                "class": "alert_no_input ui-btn-icon-notext ui-icon-alert",
+                title: "No input defined!"
+            });
+            element.append(warning);
+        } else {
+            element.find(".alert_no_input").remove();
+        }
+    }
     function updateElementData(gadget, node_id, data) {
         var element_id = gadget.props.node_id_to_dom_element_id[node_id], new_id = data.id;
         if (data.data.name) {
@@ -640,6 +655,9 @@
         $.each(this.props.data.graph.edge, function(key, value) {
             addEdge(gadget, key, value);
         });
+        $.each(this.props.data.graph.node, function(key, value) {
+            checkNodeConstraint(gadget, key);
+        });
         return RSVP.all([ waitForDrop(gadget), waitForConnection(gadget), waitForConnectionDetached(gadget), waitForConnectionClick(gadget), gadget.props.nodes_click_monitor ]);
     });
 })(RSVP, rJS, $, jsPlumb, Handlebars, loopEventListener, promiseEventListener, DOMParser);
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