MapGIS Client for JavaScript API

import Layer from './Layer'
import { Zondy } from '../../../base'
import { defaultValue } from '../../../util'

/**
 * 图层基类
 * @classdesc 图层基类
 * @class VectorTileLayer
 * @moduleEX LayerModule
 * @extends Layer
 * @param {Object} options 构造参数
 * @param {Number} [options.minScale = 1] 最小缩放级数
 * @param {Number} [options.maxScale = 20] 最大缩放级数
 * @param {String} [options.tokenKey = 'token'] token名
 * @param {String} [options.tokenValue = undefined] token值
 */
class VectorTileLayer extends Layer {
  constructor(options) {
    super(options)
    // eslint-disable-next-line no-param-reassign
    options = defaultValue(options, {})
    /**
     * 最小层级
     * @member {Number} VectorTileLayer.prototype.minScale
     */
    this.minScale = defaultValue(options.minScale, 0)
    /**
     * 最大层级
     * @member {Number} VectorTileLayer.prototype.maxScale
     */
    this.maxScale = defaultValue(options.maxScale, 19)
    /**
     * token名
     * @member {String} VectorTileLayer.prototype.tokenKey
     */
    this.tokenKey = defaultValue(options.tokenKey, 'token')
    /**
     * token值
     * @member {String} VectorTileLayer.prototype.tokenValue
     */
    this.tokenValue = defaultValue(options.tokenValue, undefined)
    /**
     * 图层信息
     * @readonly
     * @member {TileInfo | undefined} VectorTileLayer.prototype.tileInfo
     */
    this.tileInfo = undefined
  }

  /**
   * @description 转换为json对象
   * @return {Object} json对象
   */
  toJSON() {
    const json = super.toJSON()
    if (json) {
      json.minScale = this.minScale
      json.maxScale = this.maxScale
      json.tokenKey = this.tokenKey
      json.tokenValue = this.tokenValue
    }
    return json
  }

  /**
   * @description 克隆方法
   * @return {Layer} 图层
   */
  clone() {
    return new Layer(this.toJSON())
  }
}

Zondy.Layer.VectorTileLayer = VectorTileLayer
export default VectorTileLayer