117 lines
3.0 KiB
JavaScript
117 lines
3.0 KiB
JavaScript
import MouseTip from '../MouseTip'
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import MouseEvent from '../Event'
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import Draw from "./draw";
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class DrawPoint extends Draw {
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/**
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* @constructor
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* @desc 获取坐标点
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* */
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constructor(sdk, options = {}, is2D = false) {
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super(sdk, options, is2D)
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}
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/**
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* @desc 开始动态获取坐标点
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* @method start
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* @param cb {function} 回调函数
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* @memberOf DrawPoint
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* @example draw.start((err,position)=>{
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*
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* })
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* */
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start(cb) {
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if (YJ.Measure.GetMeasureStatus()) {
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cb('上一次测量未结束')
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} else {
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let car = undefined
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YJ.Measure.SetMeasureStatus(true)
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this.tip = new MouseTip(this.tipText || '左键确定，右键结束；', this.sdk)
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this.event = new MouseEvent(this.sdk)
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this.event.mouse_left((movement, cartesian) => {
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this.end()
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let p = this.cartesian3Towgs84(car || cartesian, this.viewer)
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cb(null, p, Cesium)
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})
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this.event.mouse_right((movement, cartesian) => {
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this.end()
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cb(false)
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})
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this.event.mouse_move((movement, cartesian) => {
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car = cartesian
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this.tip.setPosition(
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cartesian,
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movement.endPosition.x,
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movement.endPosition.y
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)
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})
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this.event.gesture_pinck_start((movement, cartesian) => {
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let startTime = new Date()
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this.event.gesture_pinck_end(() => {
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let endTime = new Date()
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if (endTime - startTime >= 500) {
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this.end()
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cb(false)
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}
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else {
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this.end()
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let p = this.cartesian3Towgs84(car || cartesian, this.viewer)
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cb(null, p)
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}
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})
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})
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if (!this._is2D && this._sdk2D) {
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this.event2D = new MouseEvent(this._sdk2D)
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this.event2D.mouse_left((movement, cartesian) => {
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this.end()
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let p = this.cartesian3Towgs84(car || cartesian, this.viewer)
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cb(null, p, Cesium)
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})
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this.event2D.mouse_right((movement, cartesian) => {
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this.end()
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cb(false)
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})
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this.event2D.mouse_move((movement, cartesian) => {
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car = cartesian
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this.tip.setPosition(
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cartesian,
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movement.endPosition.x + this.viewer.canvas.width,
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movement.endPosition.y
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)
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})
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this.event2D.gesture_pinck_start((movement, cartesian) => {
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let startTime = new Date()
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this.event2D.gesture_pinck_end(() => {
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let endTime = new Date()
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if (endTime - startTime >= 500) {
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this.end()
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cb(false)
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}
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else {
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this.end()
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let p = this.cartesian3Towgs84(car || cartesian, this.viewer)
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cb(null, p)
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}
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})
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})
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}
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}
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}
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end() {
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YJ.Measure.SetMeasureStatus(false)
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this.event && this.event.destroy()
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this.event2D && this.event2D.destroy()
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this.tip && this.tip.destroy()
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}
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}
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export default DrawPoint
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