Allowing to get value from select2 before its initialization

Packages/ohif-core/client/components/base/mixins/schemaData.js

@@ -179,7 +179,8 @@ OHIF.mixins.schemaData = new OHIF.Mixin({
             }
 
             // Fill the component with its default value after rendering
-            if (currentSchema.defaultValue) {
+            if (!_.isUndefined(currentSchema.defaultValue)) {
+                component.defaultValue = currentSchema.defaultValue;
                 component.value(currentSchema.defaultValue);
             }
         }

Packages/ohif-core/client/components/base/mixins/select2.js

@@ -15,9 +15,23 @@ OHIF.mixins.select2 = new OHIF.Mixin({
             const instance = Template.instance();
             const { component, data } = instance;
 
+            // Controls select2 initialization
+            instance.isInitialized = false;
+
             // Set the custom focus flag
             component.isCustomFocus = true;
 
+            const valueMethod = component.value;
+            component.value = value => {
+                if (_.isUndefined(value) && !instance.isInitialized) {
+                    if (!_.isUndefined(instance.data.value)) return instance.data.value;
+                    if (!_.isUndefined(component.defaultValue)) return component.defaultValue;
+                    return;
+                }
+
+                return valueMethod(value);
+            };
+
             // Utility function to get the dropdown jQuery element
             instance.getDropdownContainerElement = () => {
                 const $select2 = component.$element.nextAll('.select2:first');
@@ -113,6 +127,9 @@ OHIF.mixins.select2 = new OHIF.Mixin({
                         instance.component.$element.focus();
                     }
                 });
+
+                // Set select2 as initialized
+                instance.isInitialized = true;
             };
 
             instance.autorun(() => {