@benson.liao/react-design-editor

/// <reference types="react" /> import { fabric } from 'fabric'; import { ElementHandler, ImageHandler, ChartHandler, CropHandler, AnimationHandler, ContextmenuHandler, TooltipHandler, ZoomHandler, WorkareaHandler, TransactionHandler, LinkHandler, AlignmentHandler, GuidelineHandler, GridHandler, PortHandler, NodeHandler, EventHandler, DrawingHandler, InteractionHandler, ShortcutHandler } from '.'; import { FabricObject, FabricImage, WorkareaObject, WorkareaOption, InteractionMode, CanvasOption, GridOption, GuidelineOption, KeyEvent, FabricObjectOption, FabricCanvas, FabricGroup, FabricObjects } from '../utils'; import { TransactionEvent } from './TransactionHandler'; export interface HandlerCallback { /** * When has been added object in Canvas, Called function * */ onAdd?: (object: FabricObject) => void; /** * Return contextmenu element * */ onContext?: (el: HTMLDivElement, e: React.MouseEvent, target?: FabricObject) => Promise<any> | any; /** * Return tooltip element * */ onTooltip?: (el: HTMLDivElement, target?: FabricObject) => Promise<any> | any; /** * When zoom, Called function */ onZoom?: (zoomRatio: number) => void; /** * When clicked object, Called function * */ onClick?: (canvas: FabricCanvas, target: FabricObject) => void; /** * When double clicked object, Called function * */ onDblClick?: (canvas: FabricCanvas, target: FabricObject) => void; /** * When modified object, Called function */ onModified?: (target: FabricObject) => void; /** * When select object, Called function * */ onSelect?: (target: FabricObject) => void; /** * When has been removed object in Canvas, Called function * */ onRemove?: (target: FabricObject) => void; /** * When has been undo or redo, Called function * */ onTransaction?: (transaction: TransactionEvent) => void; /** * When has been changed interaction mode, Called function * */ onInteraction?: (interactionMode: InteractionMode) => void; /** * When canvas has been loaded * */ onLoad?: (handler: Handler, canvas?: fabric.Canvas) => void; } export interface HandlerOption { /** * Canvas id * @type {string} */ id?: string; /** * Canvas object * @type {FabricCanvas} */ canvas?: FabricCanvas; /** * Canvas parent element * @type {HTMLDivElement} */ container?: HTMLDivElement; /** * Canvas editable * @type {boolean} */ editable?: boolean; /** * Canvas interaction mode * @type {InteractionMode} */ interactionMode?: InteractionMode; /** * Persist properties for object * @type {string[]} */ propertiesToInclude?: string[]; /** * Minimum zoom ratio * @type {number} */ minZoom?: number; /** * Maximum zoom ratio * @type {number} */ maxZoom?: number; /** * Workarea option * @type {WorkareaOption} */ workareaOption?: WorkareaOption; /** * Canvas option * @type {CanvasOption} */ canvasOption?: CanvasOption; /** * Grid option * @type {GridOption} */ gridOption?: GridOption; /** * Default option for Fabric Object * @type {FabricObjectOption} */ objectOption?: FabricObjectOption; /** * Guideline option * @type {GuidelineOption} */ guidelineOption?: GuidelineOption; /** * Whether to use zoom * @type {boolean} */ zoomEnabled?: boolean; /** * ActiveSelection option * @type {Partial<FabricObjectOption<fabric.ActiveSelection>>} */ activeSelectionOption?: Partial<FabricObjectOption<fabric.ActiveSelection>>; /** * Canvas width * @type {number} */ width?: number; /** * Canvas height * @type {number} */ height?: number; /** * Keyboard event in Canvas * @type {KeyEvent} */ keyEvent?: KeyEvent; /** * Append custom objects * @type {{ [key: string]: any }} */ fabricObjects?: FabricObjects; [key: string]: any; } export declare type HandlerOptions = HandlerOption & HandlerCallback; /** * Main handler for Canvas * @class Handler * @implements {HandlerOptions} */ declare class Handler implements HandlerOptions { id: string; canvas: FabricCanvas; workarea: WorkareaObject; container: HTMLDivElement; editable: boolean; interactionMode: InteractionMode; minZoom: number; maxZoom: number; propertiesToInclude?: string[]; workareaOption?: WorkareaOption; canvasOption?: CanvasOption; gridOption?: GridOption; objectOption?: FabricObjectOption; guidelineOption?: GuidelineOption; keyEvent?: KeyEvent; activeSelectionOption?: Partial<FabricObjectOption<fabric.ActiveSelection>>; fabricObjects?: FabricObjects; zoomEnabled?: boolean; width?: number; height?: number; onAdd?: (object: FabricObject) => void; onContext?: (el: HTMLDivElement, e: React.MouseEvent, target?: FabricObject) => Promise<any>; onTooltip?: (el: HTMLDivElement, target?: FabricObject) => Promise<any>; onZoom?: (zoomRatio: number) => void; onClick?: (canvas: FabricCanvas, target: FabricObject) => void; onDblClick?: (canvas: FabricCanvas, target: FabricObject) => void; onModified?: (target: FabricObject) => void; onSelect?: (target: FabricObject) => void; onRemove?: (target: FabricObject) => void; onTransaction?: (transaction: TransactionEvent) => void; onInteraction?: (interactionMode: InteractionMode) => void; onLoad?: (handler: Handler, canvas?: fabric.Canvas) => void; imageHandler: ImageHandler; chartHandler: ChartHandler; elementHandler: ElementHandler; cropHandler: CropHandler; animationHandler: AnimationHandler; contextmenuHandler: ContextmenuHandler; tooltipHandler: TooltipHandler; zoomHandler: ZoomHandler; workareaHandler: WorkareaHandler; interactionHandler: InteractionHandler; transactionHandler: TransactionHandler; gridHandler: GridHandler; portHandler: PortHandler; linkHandler: LinkHandler; nodeHandler: NodeHandler; alignmentHandler: AlignmentHandler; guidelineHandler: GuidelineHandler; eventHandler: EventHandler; drawingHandler: DrawingHandler; shortcutHandler: ShortcutHandler; objectMap: Record<string, FabricObject>; objects: FabricObject[]; activeLine?: any; activeShape?: any; zoom: number; prevTarget?: FabricObject; target?: FabricObject; pointArray?: any[]; lineArray?: any[]; isCut: boolean; private isRequsetAnimFrame; private requestFrame; private clipboard; constructor(options: HandlerOptions); /** * Initialize handler * * @author salgum1114 * @param {HandlerOptions} options */ initialize(options: HandlerOptions): void; /** * Init class fields * @param {HandlerOptions} options */ initOption: (options: HandlerOptions) => void; /** * Initialize callback * @param {HandlerOptions} options */ initCallback: (options: HandlerOptions) => void; /** * Initialize handlers * */ initHandler: () => void; /** * Get primary object * @returns {FabricObject[]} */ getObjects: () => FabricObject[]; /** * Set key pair * @param {keyof FabricObject} key * @param {*} value * @returns */ set: (key: keyof FabricObject, value: any) => void; /** * Set option * @param {Partial<FabricObject>} option * @returns */ setObject: (option: Partial<FabricObject>) => void; /** * Set key pair by object * @param {FabricObject} obj * @param {string} key * @param {*} value * @returns */ setByObject: (obj: any, key: string, value: any) => void; /** * Set key pair by id * @param {string} id * @param {string} key * @param {*} value */ setById: (id: string, key: string, value: any) => void; /** * Set partial by object * @param {FabricObject} obj * @param {FabricObjectOption} option * @returns */ setByPartial: (obj: FabricObject, option: FabricObjectOption) => void; /** * Set shadow * @param {fabric.Shadow} option * @returns */ setShadow: (option: fabric.IShadowOptions) => void; /** * Set the image * @param {FabricImage} obj * @param {(File | string)} [source] * @returns */ setImage: (obj: FabricImage, source?: File | string) => void; /** * Set image by id * @param {string} id * @param {*} source */ setImageById: (id: string, source: any) => void; /** * Set visible * @param {boolean} [visible] * @returns */ setVisible: (visible?: boolean) => void; /** * Set the position on Object * * @param {FabricObject} obj * @param {boolean} [centered] */ centerObject: (obj: FabricObject, centered?: boolean) => void; /** * Add object * @param {FabricObjectOption} obj * @param {boolean} [centered=true] * @param {boolean} [loaded=false] * @returns */ add: (obj: FabricObjectOption, centered?: boolean, loaded?: boolean) => FabricObject<fabric.Object>; /** * Add group object * * @param {FabricGroup} obj * @param {boolean} [centered=true] * @param {boolean} [loaded=false] * @returns */ addGroup: (obj: FabricGroup, centered?: boolean, loaded?: boolean) => FabricObject<fabric.Object>[]; /** * Add iamge object * @param {FabricImage} obj * @returns */ addImage: (obj: FabricImage) => FabricImage; /** * Remove object * @param {FabricObject} target * @returns {any} */ remove: (target?: FabricObject) => void; /** * Remove object by id * @param {string} id */ removeById: (id: string) => void; /** * Delete at origin object list * @param {string} id */ removeOriginById: (id: string) => void; /** * Duplicate object * @returns */ duplicate: () => void; /** * Duplicate object by id * @param {string} id * @returns */ duplicateById: (id: string) => boolean; /** * Cut object * */ cut: () => void; /** * Copy to clipboard * * @param {*} value */ copyToClipboard: (value: any) => void; /** * Copy object * * @returns */ copy: () => boolean; /** * Paste object * * @returns */ paste: () => boolean; /** * Load the image * @param {FabricImage} obj * @param {string} src */ loadImage: (obj: FabricImage, src: string) => void; /** * Find object by object * @param {FabricObject} obj */ find: (obj: FabricObject) => FabricObject<fabric.Object>; /** * Find object by id * @param {string} id * @returns {(FabricObject | null)} */ findById: (id: string) => FabricObject | null; /** * Find object in origin list * @param {string} id * @returns */ findOriginById: (id: string) => FabricObject<fabric.Object>; /** * Return origin object list * @param {string} id * @returns */ findOriginByIdWithIndex: (id: string) => { object?: undefined; index?: undefined; } | { object: undefined; index: number; }; /** * Select object * @param {FabricObject} obj * @param {boolean} [find] */ select: (obj: FabricObject, find?: boolean) => void; /** * Select by id * @param {string} id */ selectById: (id: string) => void; /** * Select all * @returns */ selectAll: () => void; /** * Save origin width, height * @param {FabricObject} obj * @param {number} width * @param {number} height */ originScaleToResize: (obj: FabricObject, width: number, height: number) => void; /** * When set the width, height, Adjust the size * @param {number} width * @param {number} height */ scaleToResize: (width: number, height: number) => void; /** * Import json * @param {*} json * @param {(canvas: FabricCanvas) => void} [callback] */ importJSON: (json: any, callback?: (canvas: FabricCanvas) => void) => Promise<FabricCanvas<fabric.Canvas>>; /** * Export json */ exportJSON: () => FabricObject<fabric.Object>[]; /** * Active selection to group * @returns */ toGroup: (target?: FabricObject) => FabricObject<fabric.Group>; /** * Group to active selection * @returns */ toActiveSelection: (target?: FabricObject) => any; /** * Bring forward */ bringForward: () => void; /** * Bring to front */ bringToFront: () => void; /** * Send backwards * @returns */ sendBackwards: () => void; /** * Send to back */ sendToBack: () => void; /** * Clear canvas * @param {boolean} [includeWorkarea=false] */ clear: (includeWorkarea?: boolean) => void; /** * Start request animation frame */ startRequestAnimFrame: () => void; /** * Stop request animation frame */ stopRequestAnimFrame: () => void; /** * Save target object as image * @param {FabricObject} targetObject * @param {string} [option={ name: 'New Image', format: 'png', quality: 1 }] */ saveImage: (targetObject: FabricObject, option?: { name: string; format: string; quality: number; }) => void; /** * Save canvas as image * @param {string} [option={ name: 'New Image', format: 'png', quality: 1 }] */ saveCanvasImage: (option?: { name: string; format: string; quality: number; }) => void; /** * Sets "angle" of an instance with centered rotation * * @param {number} angle */ rotate: (angle: number) => void; /** * Destroy canvas * */ destroy: () => void; /** * Set canvas option * * @param {CanvasOption} canvasOption */ setCanvasOption: (canvasOption: CanvasOption) => void; /** * Set keyboard event * * @param {KeyEvent} keyEvent */ setKeyEvent: (keyEvent: KeyEvent) => void; /** * Set fabric objects * * @param {FabricObjects} fabricObjects */ setFabricObjects: (fabricObjects: FabricObjects) => void; /** * Set workarea option * * @param {WorkareaOption} workareaOption */ setWorkareaOption: (workareaOption: WorkareaOption) => void; /** * Set guideline option * * @param {GuidelineOption} guidelineOption */ setGuidelineOption: (guidelineOption: GuidelineOption) => void; /** * Set grid option * * @param {GridOption} gridOption */ setGridOption: (gridOption: GridOption) => void; /** * Set object option * * @param {FabricObjectOption} objectOption */ setObjectOption: (objectOption: FabricObjectOption) => void; /** * Set activeSelection option * * @param {Partial<FabricObjectOption<fabric.ActiveSelection>>} activeSelectionOption */ setActiveSelectionOption: (activeSelectionOption: Partial<FabricObjectOption<fabric.ActiveSelection>>) => void; /** * Set propertiesToInclude * * @param {string[]} propertiesToInclude */ setPropertiesToInclude: (propertiesToInclude: string[]) => void; } export default Handler;