#440 Dropdown widget stub, base widget component

ng2-components/ng2-activiti-form/src/components/widgets/widget.component.ts

@@ -0,0 +1,43 @@
+/*!
+ * @license
+ * Copyright 2016 Alfresco Software, Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { Input, AfterViewInit } from '@angular/core';
+import { FormFieldModel } from './widget.model';
+
+declare let __moduleName: string;
+declare var componentHandler;
+
+/**
+ * Base widget component.
+ */
+export class WidgetComponent implements AfterViewInit {
+
+    @Input()
+    field: FormFieldModel;
+
+    hasField() {
+        return this.field ? true : false;
+    }
+
+    ngAfterViewInit() {
+        // workaround for MDL issues with dynamic components
+        if (componentHandler) {
+            componentHandler.upgradeAllRegistered();
+        }
+    }
+
+}