@c8y/ngx-components
Version:
Angular modules for Cumulocity IoT applications
50 lines • 1.85 kB
TypeScript
import { DashboardChildrenState } from '../context-dashboard.model';
import { DashboardOriginatorService } from './dashboard-originator.service';
import * as i0 from "@angular/core";
/**
* Caretaker is responsible for undo and redo functionalities.
*/
export declare class DashboardCaretakerService {
private originator;
/**
* Current undo stack length for defining undo button disable state.
*/
get undoStackLength(): number;
/**
* Redo stack latest item for defining redo button disable state and its' title.
*/
get redoStackLastItem(): DashboardChildrenState;
/**
* List of dashboard children changes.
* @private
*/
private undoStack;
/**
* List of dashboard children changes that were undone and can be redone back.
* @private
*/
private redoStack;
constructor(originator: DashboardOriginatorService);
/**
* Adds current dashboard children state to undo stack and clears redo stack.
*/
backup(): void;
/**
* Reverts last dashboard children change and puts it in redo stack.
* @returns Current state of dashboard children after reverting last change.
*/
undo(): DashboardChildrenState | undefined;
/**
* Applies previously undone change.
* @returns Current state of dashboard children after applying previously undone change.
*/
redo(): DashboardChildrenState | undefined;
/**
* Clears both undo and redo stack, sets current state as initial state and returns initial state.
* @returns Initial state of dashboard children.
*/
reset(): DashboardChildrenState;
static ɵfac: i0.ɵɵFactoryDeclaration<DashboardCaretakerService, never>;
static ɵprov: i0.ɵɵInjectableDeclaration<DashboardCaretakerService>;
}
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