ngxsmk-datatable/lib/services/undo-redo.service.d.ts

A powerful, feature-rich Angular datatable component with virtual scrolling, built for Angular 17+

import { BehaviorSubject } from 'rxjs';
import { UndoRedoAction, UndoRedoConfig } from '../interfaces/undo-redo.interface';
import * as i0 from "@angular/core";
/**
 * Undo/Redo service for managing action history
 *
 * This service provides undo/redo functionality for inline editing
 * and other reversible operations.
 *
 * @example
 * constructor(private undoRedoService: UndoRedoService) {
 *   this.undoRedoService.setConfig({ maxUndoStackSize: 50 });
 * }
 *
 * // Add action
 * this.undoRedoService.addAction({
 *   type: 'edit',
 *   data: { row, oldValue, newValue },
 *   undo: () => row.value = oldValue,
 *   redo: () => row.value = newValue
 * });
 *
 * // Undo
 * this.undoRedoService.undo();
 *
 * // Redo
 * this.undoRedoService.redo();
 */
export declare class UndoRedoService {
    private config;
    private undoStack;
    private redoStack;
    /**
     * Observable for undo stack
     */
    undoStack$: BehaviorSubject<UndoRedoAction[]>;
    /**
     * Observable for redo stack
     */
    redoStack$: BehaviorSubject<UndoRedoAction[]>;
    /**
     * Observable for can undo state
     */
    canUndo$: BehaviorSubject<boolean>;
    /**
     * Observable for can redo state
     */
    canRedo$: BehaviorSubject<boolean>;
    constructor();
    /**
     * Set configuration
     */
    setConfig(config: Partial<UndoRedoConfig>): void;
    /**
     * Get configuration
     */
    getConfig(): UndoRedoConfig;
    /**
     * Add an action to the undo stack
     */
    addAction(action: Omit<UndoRedoAction, 'timestamp'>): void;
    /**
     * Undo the last action
     */
    undo(): boolean;
    /**
     * Redo the last undone action
     */
    redo(): boolean;
    /**
     * Check if undo is available
     */
    canUndo(): boolean;
    /**
     * Check if redo is available
     */
    canRedo(): boolean;
    /**
     * Clear all history
     */
    clear(): void;
    /**
     * Get undo stack
     */
    getUndoStack(): UndoRedoAction[];
    /**
     * Get redo stack
     */
    getRedoStack(): UndoRedoAction[];
    /**
     * Get last action description
     */
    getLastActionDescription(): string | undefined;
    /**
     * Get next redo action description
     */
    getNextRedoDescription(): string | undefined;
    /**
     * Update all observables
     */
    private updateObservables;
    static ɵfac: i0.ɵɵFactoryDeclaration<UndoRedoService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<UndoRedoService>;
}