Fixing a bug in the Call Activity's handing of an update.

bpmn-js-spiffworkflow/app/app.js

@@ -181,6 +181,16 @@ bpmnModeler.on('spiff.dmn_files.requested', (event) => {
   });
 });
 
+// As call activites might refernce processes across the system
+// it should be possible to search for a paticular call activity.
+bpmnModeler.on('spiff.callactivity.search', (event) => {
+  console.log("Firing call activity update")
+  event.eventBus.fire('spiff.callactivity.update', {
+    value: 'searched_bpmn_id',
+  });
+});
+
+
 // This handles the download and upload buttons - it isn't specific to
 // the BPMN modeler or these extensions, just a quick way to allow you to
 // create and save files, so keeping it outside the example.

bpmn-js-spiffworkflow/app/spiffworkflow/callActivity/propertiesPanel/CallActivityPropertiesProvider.js

@@ -98,21 +98,29 @@ function CalledElementTextField(props) {
 }
 
 function FindProcessButton(props) {
-  const { element } = props;
+  const { element, commandStack } = props;
   const eventBus = useService('eventBus');
   return HeaderButton({
     id: 'spiffworkflow-search-call-activity-button',
     class: 'spiffworkflow-properties-panel-button',
     onClick: () => {
       const processId = getCalledElementValue(element);
+
+      // First, set up the listen, then fire the event, just
+      // in case we are testing and things are happening super fast.
+      eventBus.once('spiff.callactivity.update', (response) => {
+        commandStack.execute('element.updateModdleProperties', {
+          element,
+          moddleElement: element.businessObject,
+          properties: {
+            calledElement: response.value,
+          },
+        });
+      });
       eventBus.fire('spiff.callactivity.search', {
         processId,
         eventBus,
       });
-      // Listen for a response, to update the script.
-      eventBus.once('spiff.callactivity.update', (response) => {
-        element.businessObject.calledElement = response.value;
-      });
     },
     children: 'Search',
   });