[AAE-6025] - Resolve linked dropdowns during runtime (#7289)

* Resolve linked dropdown during runtime, Draft commit

* Remove app from appconfig

* Make the link work for Saved and Completed tasks

* Call the new API to fetch dropdown options in case of rest type

* When widgetId is missing from restUrl

* Update unit tests

* Declare default option

* Rebase, remove appName example

* Maurizify the PR

* Fix lint error

Co-authored-by: Ardit Domi <arditdomi@apl-c02g64vpmd6t.home>

lib/core/form/components/widgets/core/form-field-rule.ts

@@ -0,0 +1,28 @@
+/*!
+ * @license
+ * Copyright 2019 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 { FormFieldOption } from './form-field-option';
+
+export interface FormFieldRule {
+    ruleOn: string;
+    entries: RuleEntry[];
+}
+
+export interface RuleEntry {
+    key: string;
+    options: FormFieldOption[];
+}

lib/core/form/components/widgets/core/form-field.model.ts

@@ -26,6 +26,7 @@ import { FormFieldTypes } from './form-field-types';
 import { NumberFieldValidator } from './form-field-validator';
 import { FormWidgetModel } from './form-widget.model';
 import { FormModel } from './form.model';
+import { FormFieldRule } from './form-field-rule';
 
 // Maps to FormFieldRepresentation
 export class FormFieldModel extends FormWidgetModel {
@@ -72,6 +73,7 @@ export class FormFieldModel extends FormWidgetModel {
     currency: string = null;
     dateDisplayFormat: string = this.defaultDateFormat;
     selectionType: 'single' | 'multiple' = null;
+    rule?: FormFieldRule;
 
     // container model members
     numberOfColumns: number = 1;
@@ -178,6 +180,7 @@ export class FormFieldModel extends FormWidgetModel {
             this.validationSummary = new ErrorMessageModel();
             this.tooltip = json.tooltip;
             this.selectionType = json.selectionType;
+            this.rule = json.rule;
 
             if (json.placeholder && json.placeholder !== '' && json.placeholder !== 'null') {
                 this.placeholder = json.placeholder;

lib/core/form/components/widgets/core/index.ts

@@ -40,3 +40,4 @@ export * from './form-variable.model';
 export * from './process-variable.model';
 export * from './upload-widget-content-link.model';
 export * from './form-field-file-source';
+export * from './form-field-rule';