/**
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* @Author: Caven
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* @Date: 2020-01-31 19:45:32
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*/
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import { PlotEventType } from '@/utils/event/index.js'
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class Draw {
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constructor(style) {
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this._style = style
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this._viewer = undefined
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this._layer = undefined
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this._delegate = undefined
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this._options = {}
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this._positions = []
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}
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get curDrawTool () {
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return this._viewer.curDrawTool
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}
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/**
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* The hook for mount viewer
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* Subclasses need to be overridden
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* @private
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*/
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_mountedHook () { }
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/**
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* The hook for mount stop
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* Subclasses need to be overridden
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* @private
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*/
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_stopdHook () { }
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/**
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*
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* @param position
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* @private
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*/
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_onDrawAnchor (position) { }
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/**
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*
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* @param position
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* @private
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*/
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_onAnchorMoving (position) {
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this._positions.pop()
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this._positions.push(position)
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}
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/**
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*
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* @private
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*/
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_onDrawStop () {
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this._unbindEvent()
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this._viewer.curDrawTool.deactivate()
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this._layer.entities.remove(this._delegate)
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this._stopdHook()
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}
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/**
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*
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* @private
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*/
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_bindEvent () {
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this.curDrawTool.on(PlotEventType.DRAW_ANCHOR, this._onDrawAnchor, this)
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this.curDrawTool.on(PlotEventType.ANCHOR_MOVING, this._onAnchorMoving, this)
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this.curDrawTool.on(PlotEventType.DRAW_STOP, this._onDrawStop, this)
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}
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/**
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*
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* @private
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*/
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_unbindEvent () {
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this.curDrawTool.off(PlotEventType.DRAW_ANCHOR, this._onDrawAnchor, this)
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this.curDrawTool.off(PlotEventType.ANCHOR_MOVING, this._onAnchorMoving, this)
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this.curDrawTool.off(PlotEventType.DRAW_STOP, this._onDrawStop, this)
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}
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/**
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*
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* @param plot
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* @param options
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* @returns {Draw}
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*/
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start (plot, options) {
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this._viewer = plot.viewer
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this._layer = plot.layer
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this._options = options
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this._viewer.editTool.deactivate()
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this._viewer.curDrawTool.activate(options)
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this._mountedHook()
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this._unbindEvent()
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this._bindEvent()
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return this
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}
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}
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export default Draw
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