/**
 * Copyright (c) 2019-present Houfeng
 * @author Houfeng <admin@xhou.net>
 */
import { IAnimation } from "../Stage/IAnimation";
import { ISceneModel } from "./ISceneModel";
import { IShapeModel, ShapeModel } from "../Shape";
import { IStageModel } from "../Stage/IStageModel";
import { ITransition } from "../Transition/ITransition";
import { SceneStates } from "./SceneStates";
import { Selection } from "../Selectable";
import { ShapeUpdateContext } from "../CommandMgr";
/**
 * Scene 模型类
 * 通过 Scene 模型，可对当前 Scene 下的 Shapes 进行 CRUD 操作
 */
export declare class SceneModel implements ISceneModel {
    /**
     * 对应的 HTML 元素
     */
    private __element;
    /**
     * 对应的 HTML 元素
     */
    get element(): Element;
    /**
     * 设置对应的 HTML 元素
     */
    setElement: (value: Element) => void;
    private __stage;
    get stage(): IStageModel;
    /**
     * 是否跳过
     */
    skip: boolean;
    /**
     * 切换是否跳过
     */
    toggleSkip(): boolean;
    /**
     * Scene 的当前状态
     */
    state: SceneStates;
    /**
     * 选中当前 Scene
     */
    select(): void;
    /**
     * SceneId (自动生成)
     */
    id: string;
    /**
     * 描述信息（一般用于演讲者备注）
     */
    description: string;
    /**
     * Scene 背景
     */
    background: string;
    /**
     * 转场动画
     */
    transition: ITransition;
    /**
     * 当前 Scene 中的所有 Shape 动画集合
     */
    animations: IAnimation[];
    /**
     * 当前 Scene 中的所有 Shapes
     */
    shapes: ShapeModel[];
    /**
     * 当前选区信息
     */
    selection: Selection;
    /**
     * 附加内容
     */
    attachment: any;
    /**
     * 通过初始数据构建一个 SceneModel 实例
     * @param stage 所属 stage
     * @param data SceneModel 数据
     */
    constructor(stage: IStageModel, data: ISceneModel);
    /**
     * 添加一个新的 Shape
     * @param data 图形模型初始化数据
     * @param options 选项
     */
    addShape: (data: IShapeModel | IShapeModel[], options?: {
        index?: number | number[];
        track?: boolean;
        active?: boolean;
    }) => ShapeModel[];
    /**
     * 通过 index 删除一个 Shape
     * @param index 将要删除的 Shape 的 index
     */
    delShapeByIndex: (index: number) => ShapeModel;
    /**
     * 通过 id 删除一个 Shape
     * @param id SceneId
     */
    delShapeById: (id: string) => ShapeModel;
    /**
     * 删除一组图形
     */
    delShapes: (items: IShapeModel[], options?: {
        track?: boolean;
    }) => IShapeModel[];
    /**
     * 删除所有活动中的图形
     */
    delActiveShapes: () => IShapeModel[];
    /**
     * 删除所有选中的图形
     */
    delSeletedShapes: () => IShapeModel[];
    /**
     * 当前 tack context ，用于防止多重 track
     */
    private __trackingContext;
    clean(options?: {
        track?: boolean;
    }): void;
    /**
     * 跟踪形状变更并放到 undo/redo 栈中
     * 默认为当前活动中的图形
     * @param handler 包裹函数
     * @param keys 追踪的属性
     * @param shapes 图形
     */
    track: (handler: Function, keys?: string[], shapes?: ShapeModel[]) => any;
    /**
     * 创建形状变更追踪上下文
     * @param keys 追踪的属性
     * @param shapes 图形
     */
    createUpdateContext(keys?: string[], shapes?: ShapeModel[]): ShapeUpdateContext;
    /**
     * 移动选中的图形
     * @param x 横坐标移动的距离
     * @param y 纵坐标移的距离
     */
    moveSelectedShapes: (x: number, y: number, shapes?: ShapeModel[]) => ShapeModel[];
    /**
     * 选中所有图形
     */
    selectAll: () => void;
    unSelectAll: () => void;
    /**
     * 通过初始数据创建一个 ShapeModel 实例
     * @param data 初始数据
     */
    createShapeModel: (data: IShapeModel) => ShapeModel;
    /**
     * 创建所有 Shape 实例
     */
    protected createShapeModels(): void;
    /**
     * 所有激活中的图形
     */
    get activeShapes(): ShapeModel[];
    /**
     * 所有选中的图形
     */
    get selectedShapes(): ShapeModel[];
    /**
     * 所有正在移动的图形
     */
    get moveingShapes(): ShapeModel[];
    /**
     * 正在编辑的图形
     */
    get editingShape(): ShapeModel;
    changeShapeIndex: (shape: ShapeModel, toIndex: number) => void;
    offsetShapes(shapes: ShapeModel[], offset: number | number[], options?: {
        track?: boolean;
    }): void;
    forward: (shapes?: ShapeModel[], options?: {
        track?: boolean;
    }) => void;
    backward: (shapes?: ShapeModel[], options?: {
        track?: boolean;
    }) => void;
    foremost: (shapes?: ShapeModel[], options?: {
        track?: boolean;
    }) => void;
    last: (shapes?: ShapeModel[], options?: {
        track?: boolean;
    }) => void;
    /**
     * 左对齐一组图形
     */
    alignToLeft: (shapes?: ShapeModel[]) => void;
    /**
     * 右对齐一组图形
     */
    alignToRight: (shapes?: ShapeModel[]) => void;
    /**
     * 水平居中一组图形
     */
    alignToCenter: (shapes?: ShapeModel[]) => void;
    alignToTop: (shapes?: ShapeModel[]) => void;
    alignToBottom: (shapes?: ShapeModel[]) => void;
    alignToMiddle: (shapes?: ShapeModel[]) => void;
    distributeHorizontal: (shapes?: ShapeModel[]) => void;
    distributeVertical: (shapes?: ShapeModel[]) => void;
    makeGroup: (shapes?: ShapeModel[]) => void;
    unmakeGroup: (shapes?: ShapeModel[]) => void;
    toJSON(): {
        id: string;
        background: string;
        description: string;
        animations: IAnimation[];
        transition: ITransition;
        shapes: ShapeModel[];
        attachment: any;
    };
}