src/controllers/DocumentReferenceController.ts


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import { FieldController, Opt } from "./FieldController";
import { DocumentController } from "./DocumentController";
import { KeyController } from "./KeyController";
import { DocumentUpdatedArgs } from "./FieldUpdatedArgs";

export class DocumentReferenceController extends FieldController {
    get Key(): KeyController{
        return this.key;
    }

    get Document(): DocumentController {
        return this.document;
    }

    constructor(private document: DocumentController, private key: KeyController) {
        super();

        document.AddFieldUpdatedHandler(key, this.DocFieldUpdated);
    }

    private DocFieldUpdated(args: DocumentUpdatedArgs):void{
        this.FieldUpdated.emit(args.fieldArgs);
    }

    protected DereferenceImpl() : Opt<FieldController> {
        return this.document.GetField(this.key);
    }

    protected DereferenceToRootImpl(): Opt<FieldController> {
        let field: Opt<FieldController> = this;
        while (field instanceof DocumentReferenceController) {
            field = field.Dereference();
        }
        return field;
    }

    TrySetValue(value: any): boolean {
        throw new Error("Method not implemented.");
    }
    GetValue() {
        throw new Error("Method not implemented.");
    }
    Copy(): FieldController {
        throw new Error("Method not implemented.");
    }


}