Add dropdown hierarchical selection samples to live editing (#3217)

Author: PlamenaMiteva

live-editing/configs/DropDownConfigGenerator.ts

@@ -2,6 +2,7 @@
 import { HttpClientModule } from '@angular/common/http';
 import {
     IgxButtonModule,
+    IgxChipsModule,
     IgxDropDownModule,
     IgxDividerModule,
     IgxForOfModule,
@@ -13,7 +14,9 @@ import {
     IgxPrefixModule,
     IgxSuffixModule,
     IgxToastModule,
-    IgxToggleModule
+    IgxToggleModule,
+    IgxTreeModule,
+    IgxTreeGridModule
 } from 'igniteui-angular';
 import { AppModuleConfig, Config, IConfigGenerator } from 'igniteui-live-editing';
 export class DropDownConfigGenerator implements IConfigGenerator {
@@ -122,6 +125,29 @@ export class DropDownConfigGenerator implements IConfigGenerator {
             })
         }));
 
+        configs.push(new Config({
+            component: 'DropdownTreeHierarchicalSelectionComponent',
+            appModuleConfig: new AppModuleConfig({
+                imports: ['IgxDropDownModule', 'DropdownTreeHierarchicalSelectionComponent',
+                    'IgxButtonModule', 'IgxToggleModule', 'IgxTreeModule', 'IgxChipsModule'],
+                ngDeclarations: ['DropdownTreeHierarchicalSelectionComponent'],
+                ngImports: ['IgxDropDownModule', 'IgxButtonModule', 'IgxToggleModule', 'IgxTreeModule', 'IgxChipsModule']
+            }),
+            shortenComponentPathBy: '/data-entries/dropdown/'
+        }));
+
+        configs.push(new Config({
+            component: 'DropdownTreeGridHierarchicalSelectionComponent',
+            appModuleConfig: new AppModuleConfig({
+                imports: ['IgxDropDownModule', 'DropdownTreeGridHierarchicalSelectionComponent',
+                    'IgxButtonModule', 'IgxToggleModule', 'IgxTreeGridModule', 'IgxChipsModule'],
+                ngDeclarations: ['DropdownTreeGridHierarchicalSelectionComponent'],
+                ngImports: ['IgxDropDownModule', 'IgxButtonModule', 'IgxToggleModule', 'IgxTreeGridModule', 'IgxChipsModule']
+            }),
+            shortenComponentPathBy: '/data-entries/dropdown/'
+        }));
+
+
         return configs;
     }
 }