import { OnDestroy } from '@angular/core';
import { HttpClient } from '@angular/common/http';
import { Observable, Subscription } from 'rxjs';
import { FormModel } from './to-share/form-model.interface';
import { FieldItemModel } from './to-share/field-item-model.interface';
import { FormEditorConfigService, SelectableFieldItemModel } from './form-editor-config.service';
import { FormMetaModel } from './to-share/form-meta-model.interface';
import { NzModalService } from 'ng-zorro-antd/modal';
export interface FormTreeModel {
    title: string;
    key: string;
    parentKey?: string;
    selected?: boolean;
    children?: FormTreeModel[];
    expanded?: boolean;
    isLeaf?: boolean;
    isTab?: boolean;
}
export interface SaveFormModel {
    type: SaveTypeEnum;
    data: string;
}
export declare enum EditorModeEnum {
    EDIT = "edit",
    PREVIEW = "preview",
    NONE = "none"
}
export declare enum SaveTypeEnum {
    DRAFT = "draft",
    PUBLISH = "publish"
}
export declare enum OrdinalDirectionEnum {
    UP = 0,
    DOWN = 1
}
export interface CheckFormMetaData {
    title?: string;
    allowTitle?: CheckFormMetaDataStatus;
    titleErrMessage?: string;
    code?: string;
    allowCode?: CheckFormMetaDataStatus;
    codeErrMessage?: string;
}
export declare enum CheckFormMetaDataStatus {
    UNSET = -1,
    PENDING = 0,
    ALLOW = 1,
    DISALLOW = 2
}
export declare class TfNgFormEditorService implements OnDestroy {
    private http;
    private formEditorConfig;
    private modal;
    private _froalaKey;
    formSubscription: Subscription;
    formUpdateSubscription: Subscription;
    unsavedItems: boolean;
    private _form;
    private _formTree;
    private _selectedTreeKey;
    private _editorMode;
    private _metaUpdated;
    private _formUpdated;
    private _save;
    private _close;
    private _checkFormMetaOutput;
    private _checkFormMetaInput;
    form: Observable<FormModel>;
    formTree: Observable<FormTreeModel[]>;
    selectedTreeKey: Observable<string>;
    editorMode: Observable<EditorModeEnum>;
    metaUpdated: Observable<boolean>;
    formUpdated: Observable<boolean>;
    save: Observable<SaveFormModel>;
    close: Observable<boolean>;
    checkFormMetaOutput: Observable<CheckFormMetaData>;
    checkFormMetaInput: Observable<CheckFormMetaData>;
    constructor(http: HttpClient, formEditorConfig: FormEditorConfigService, modal: NzModalService);
    set froalaKey(value: string);
    get froalaKey(): string;
    addFormItem(item: FieldItemModel, ordinum?: number | null): void;
    addTabsFormItem(item: FieldItemModel): void;
    addFormItemToFieldGroup(parentItem: FieldItemModel, item: FieldItemModel, ordinum?: number | null): void;
    updateFormItemsFieldGroup(formItem: FieldItemModel, fieldGroup: FieldItemModel[]): void;
    updateFormItem(item: FieldItemModel): void;
    deleteFormItem(key: string, parentKey?: string): void;
    getUuid(): any;
    duplicateFormItem(key: string, parentKey?: string): void;
    updateFormItemOrdinal(key: string, direction: OrdinalDirectionEnum, parentKey?: string, increment?: number): void;
    getFieldItemFromTreeKey(key: string): Observable<FieldItemModel>;
    getTreeItemFromKey(key: string): Observable<FormTreeModel>;
    findFieldItemFromTreeKey(list: FieldItemModel[], key: string): FieldItemModel;
    findTreeItemFromKey(list: FormTreeModel[], key: string): FormTreeModel;
    updateFieldItem(list: FieldItemModel[], updatedItem: FieldItemModel): FieldItemModel;
    isTreeChildSelected(list: FormTreeModel[]): boolean;
    removeFieldItemKeys(list: FieldItemModel[]): FieldItemModel[];
    getFieldItemFromSelection(selectedField: SelectableFieldItemModel): FieldItemModel;
    initialiseNewForm(meta: FormMetaModel): void;
    updateMetaData(meta: FormMetaModel): void;
    getData(url: string): Observable<FormModel>;
    setFormFromJson(json: string): void;
    setFormFromModel(model: FormModel): void;
    nullifyForm(): Observable<boolean>;
    resetForm(): Observable<boolean>;
    getFormDataAsJSON(): void;
    initialiseFormSubscription(): void;
    forceParseFormToTree(): void;
    initialiseFormUpdateSubscription(): void;
    parseFormToTree(schema: FieldItemModel[], currentSelectedKey: string): Observable<FormTreeModel[]>;
    parseItemToLeaf(item: FieldItemModel, currentSelectedKey: string, parentKey: string): FormTreeModel;
    setSelectedTreeKey(key: string): void;
    nullifySelectedTreeKey(): void;
    setEditorMode(mode: EditorModeEnum): void;
    saveForm(type: SaveTypeEnum): void;
    closeFormEditor(): void;
    checkFormMetaDataOutput(data: CheckFormMetaData): void;
    checkFormMetaDataInput(data: CheckFormMetaData): void;
    canDeactivate(): Promise<unknown>;
    ngOnDestroy(): void;
}