1 files changed, 78 insertions, 0 deletions
diff --git a/workflow-designer-ui/src/main/frontend/src/features/version/composition/custom-properties-provider/provider/camunda/parts/implementation/Delegate.js b/workflow-designer-ui/src/main/frontend/src/features/version/composition/custom-properties-provider/provider/camunda/parts/implementation/Delegate.js
new file mode 100644
index 00000000..f6a0b247
--- /dev/null
+++ b/workflow-designer-ui/src/main/frontend/src/features/version/composition/custom-properties-provider/provider/camunda/parts/implementation/Delegate.js
@@ -0,0 +1,78 @@
+'use strict';
+
+import entryFactory from 'bpmn-js-properties-panel/lib/factory/EntryFactory';
+import cmdHelper from 'bpmn-js-properties-panel/lib/helper/CmdHelper';
+
+const DELEGATE_TYPES = ['class', 'expression', 'delegateExpression'];
+
+const PROPERTIES = {
+    class: 'camunda:class',
+    expression: 'camunda:expression',
+    delegateExpression: 'camunda:delegateExpression'
+};
+
+function isDelegate(type) {
+    return DELEGATE_TYPES.indexOf(type) !== -1;
+}
+
+function getAttribute(type) {
+    return PROPERTIES[type];
+}
+
+export default function(element, bpmnFactory, options, translate) {
+    var getImplementationType = options.getImplementationType,
+        getBusinessObject = options.getBusinessObject;
+
+    function getDelegationLabel(type) {
+        switch (type) {
+            case 'class':
+                return translate('Java Class');
+            case 'expression':
+                return translate('Expression');
+            case 'delegateExpression':
+                return translate('Delegate Expression');
+            default:
+                return '';
+        }
+    }
+
+    var delegateEntry = entryFactory.textField({
+        id: 'delegate',
+        label: translate('Value'),
+        dataValueLabel: 'delegationLabel',
+        modelProperty: 'delegate',
+
+        get: function(element) {
+            var bo = getBusinessObject(element);
+            var type = getImplementationType(element);
+            var attr = getAttribute(type);
+            var label = getDelegationLabel(type);
+            return {
+                delegate: bo.get(attr),
+                delegationLabel: label
+            };
+        },
+
+        set: function(element, values) {
+            var bo = getBusinessObject(element);
+            var type = getImplementationType(element);
+            var attr = getAttribute(type);
+            var prop = {};
+            prop[attr] = values.delegate || '';
+            return cmdHelper.updateBusinessObject(element, bo, prop);
+        },
+
+        validate: function(element, values) {
+            return isDelegate(getImplementationType(element)) &&
+                !values.delegate
+                ? { delegate: 'Must provide a value' }
+                : {};
+        },
+
+        hidden: function(element) {
+            return !isDelegate(getImplementationType(element));
+        }
+    });
+
+    return [delegateEntry];
+}