src/app/app.module.ts

@@ -72,7 +72,7 @@ import {CharacterOverviewComponent} from "./side-overviews/character-overview/ch
 import {CharacterEditorComponent} from "./editor/character-editor/character-editor.component";
 import {
   MatAccordion,
-  MatExpansionPanel,
+  MatExpansionPanel, MatExpansionPanelDescription,
   MatExpansionPanelHeader,
   MatExpansionPanelTitle
 } from "@angular/material/expansion";
@@ -85,7 +85,9 @@ import {
 import {ItemOverviewComponent} from "./side-overviews/item-overview/item-overview.component";
 import {ItemGroupEditorComponent} from "./editor/items/item-group-editor/item-group-editor.component";
 import {ItemEditorComponent} from "./editor/items/item-editor/item-editor.component";
-
+import {
+  ItemgroupInheritorComponent
+} from "./editor/items/item-editor/itemgroup-inheritor/itemgroup-inheritor.component";
 // AoT requires an exported function for factories
 const httpLoaderFactory = (http: HttpClient): TranslateHttpLoader =>  new TranslateHttpLoader(http, './assets/i18n/', '.json');
 
@@ -113,7 +115,8 @@ const httpLoaderFactory = (http: HttpClient): TranslateHttpLoader =>  new Transl
     StateInitialCellComponent,
     ItemOverviewComponent,
     ItemGroupEditorComponent,
-    ItemEditorComponent
+    ItemEditorComponent,
+    ItemgroupInheritorComponent
   ],
   imports: [
     BrowserModule,
@@ -176,7 +179,8 @@ const httpLoaderFactory = (http: HttpClient): TranslateHttpLoader =>  new Transl
     MatExpansionPanel,
     MatExpansionPanelTitle,
     MatCardTitle,
-    MatExpansionPanelHeader
+    MatExpansionPanelHeader,
+    MatExpansionPanelDescription
   ],
   providers: [],
   bootstrap: [AppComponent]

src/app/editor/editor.component.html

@@ -21,6 +21,6 @@
 
     </app-character-editor>
     <app-item-group-editor *ngIf="modelComponent.type === ModelComponentType.ITEMGROUP" [itemgroup]="convertModelComponentToItemGroup(modelComponent)"></app-item-group-editor>
-    <app-item-editor *ngIf="modelComponent.type === ModelComponentType.ITEM" [item]="convertModelComponentToItem(modelComponent)"></app-item-editor>
+    <app-item-editor *ngIf="modelComponent.type === ModelComponentType.ITEM" [item]="convertModelComponentToItem(modelComponent)" [gameModel]="gameModel!"></app-item-editor>
   </mat-tab>
 </mat-tab-group>

src/app/editor/items/item-editor/item-editor.component.html

@@ -1 +1,20 @@
-<p>item-editor works!</p>
+<mat-card>
+  <mat-card-header>
+    <mat-card-title>Inherited Itemgroups</mat-card-title>
+  </mat-card-header>
+  <mat-card-content>
+    <mat-accordion>
+      <mat-expansion-panel *ngFor="let itemgroup of item!.inheritedGroups">
+        <mat-expansion-panel-header>
+          <mat-panel-title>{{itemgroup.componentName}}</mat-panel-title>
+          <mat-panel-description>{{itemgroup.componentDescription}}</mat-panel-description>
+        </mat-expansion-panel-header>
+
+      </mat-expansion-panel>
+    </mat-accordion>
+    <div>
+
+    </div>
+    <button mat-stroked-button style="width: 100%" (click)="onAddNewInheritedItemgroup()">Add Itemgroup</button>
+  </mat-card-content>
+</mat-card>

src/app/editor/items/item-editor/item-editor.component.ts

@@ -1,5 +1,9 @@
 import {Component, Input} from '@angular/core';
 import {Item} from "../../../project/game-model/inventory/Item";
+import {ItemGroup} from "../../../project/game-model/inventory/ItemGroup";
+import {GameModel} from "../../../project/game-model/GameModel";
+import {MatDialog} from "@angular/material/dialog";
+import {ItemgroupInheritorComponent} from "./itemgroup-inheritor/itemgroup-inheritor.component";
 
 @Component({
   selector: 'app-item-editor',
@@ -9,4 +13,25 @@ import {Item} from "../../../project/game-model/inventory/Item";
 export class ItemEditorComponent {
 
   @Input() item: Item | undefined
+  @Input() gameModel: GameModel | undefined;
+
+  constructor(private dialog: MatDialog) {
+
+  }
+
+  onAddNewInheritedItemgroup() {
+    const dialogRef = this.dialog.open(ItemgroupInheritorComponent, {
+      data: this.gameModel!.itemgroupsAsList.filter(group => !this.item!.inheritedGroups.includes(group)),
+      width: "400px"
+    })
+
+    dialogRef.afterClosed().subscribe(res => {
+      if(res != undefined) {
+        this.item!.inheritedGroups.push(res);
+      }
+    })
+  }
+
+
+
 }

src/app/editor/items/item-editor/itemgroup-inheritor/itemgroup-inheritor.component.html

@@ -0,0 +1,13 @@
+<h1 mat-dialog-title>Inherit Itemgroup</h1>
+<mat-dialog-content>
+  <mat-form-field appearance="outline" style="width: 100%;">
+    <mat-label>Select Itemgroup</mat-label>
+    <mat-select [(ngModel)]="selectedItemgroup">
+      <mat-option *ngFor="let itemgroup of availableItemgroups" [value]="itemgroup">{{itemgroup.componentName}}</mat-option>
+    </mat-select>
+  </mat-form-field>
+</mat-dialog-content>
+<mat-dialog-actions align="end">
+  <button mat-stroked-button (click)="cancel()">Cancel</button>
+  <button mat-raised-button color="primary" (click)="submit()">Confim</button>
+</mat-dialog-actions>

src/app/editor/items/item-editor/itemgroup-inheritor/itemgroup-inheritor.component.spec.ts

@@ -0,0 +1,23 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { ItemgroupInheritorComponent } from './itemgroup-inheritor.component';
+
+describe('ItemgroupInheritorComponent', () => {
+  let component: ItemgroupInheritorComponent;
+  let fixture: ComponentFixture<ItemgroupInheritorComponent>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      imports: [ItemgroupInheritorComponent]
+    })
+    .compileComponents();
+    
+    fixture = TestBed.createComponent(ItemgroupInheritorComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/editor/items/item-editor/itemgroup-inheritor/itemgroup-inheritor.component.ts

@@ -0,0 +1,25 @@
+import {Component, Inject} from '@angular/core';
+import {MAT_DIALOG_DATA, MatDialogRef, MatDialogTitle} from "@angular/material/dialog";
+import {ItemGroup} from "../../../../project/game-model/inventory/ItemGroup";
+
+@Component({
+  selector: 'app-itemgroup-inheritor',
+  templateUrl: './itemgroup-inheritor.component.html',
+  styleUrl: './itemgroup-inheritor.component.scss'
+})
+export class ItemgroupInheritorComponent {
+
+  selectedItemgroup: ItemGroup | undefined
+
+  constructor(private dialogRef: MatDialogRef<ItemgroupInheritorComponent>,
+              @Inject(MAT_DIALOG_DATA) public availableItemgroups: ItemGroup[]) {
+  }
+
+  cancel() {
+    this.dialogRef.close()
+  }
+
+  submit() {
+    this.dialogRef.close(this.selectedItemgroup);
+  }
+}

src/app/project/game-model/GameModel.ts

@@ -263,4 +263,19 @@ export class GameModel {
 
     return requestedTemplates;
   }
+
+  get itemgroupsAsList() {
+    let itemgroupQueue: ItemGroup[] = this.itemgroups.concat();
+    const result: ItemGroup[] = []
+    while(itemgroupQueue.length > 0) {
+      const currentGroup = itemgroupQueue.shift()!;
+
+      if(currentGroup instanceof AbstractItemGroup) {
+        itemgroupQueue = itemgroupQueue.concat(currentGroup.children);
+      }
+      result.push(currentGroup);
+    }
+
+    return result;
+  }
 }