Circle.vue
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<script>
import commonMixin from '../base/mixins/common.js'
import bindEvents from '../base/bindEvent.js'
import {createPoint} from '../base/factory.js'
export default {
name: 'bm-circle',
render () {},
mixins: [commonMixin('overlay')],
props: {
center: {
},
radius: {
},
strokeColor: {
type: String
},
strokeWeight: {
type: Number
},
strokeOpacity: {
type: Number
},
strokeStyle: {
type: String
},
fillColor: {
type: String
},
fillOpacity: {
type: Number
},
massClear: {
type: Boolean,
default: true
},
clicking: {
type: Boolean,
default: true
},
editing: {
type: Boolean,
default: false
}
},
watch: {
'center.lng' (val, oldVal) {
const {BMap, originInstance, isEditing, disableEditing, enableEditing, center, editing} = this
if (!isEditing) {
disableEditing()
const lng = val
if (val.toString() !== oldVal.toString() && lng >= -180 && lng <= 180) {
originInstance.setCenter(createPoint(BMap, {lng, lat: center.lat}))
}
editing && enableEditing()
}
},
'center.lat' (val, oldVal) {
const {BMap, originInstance, isEditing, disableEditing, enableEditing, center, editing} = this
if (!isEditing) {
disableEditing()
const lat = val
if (val.toString() !== oldVal.toString() && lat >= -74 && lat <= 74) {
originInstance.setCenter(createPoint(BMap, {lng: center.lng, lat}))
}
editing && enableEditing()
}
},
radius (val, oldVal) {
const {originInstance, isEditing, disableEditing, enableEditing, editing} = this
if (!isEditing) {
disableEditing()
originInstance.setRadius(val)
editing && enableEditing()
}
},
strokeColor (val) {
this.originInstance.setStrokeColor(val)
},
strokeOpacity (val) {
this.originInstance.setStrokeOpacity(val)
},
strokeWeight (val) {
this.originInstance.setStrokeWeight(val)
},
strokeStyle (val) {
this.originInstance.setStrokeStyle(val)
},
fillColor (val) {
this.originInstance.setFillColor(val)
},
fillOpacity (val) {
this.originInstance.setFillOpacity(val)
},
editing (val) {
val ? this.enableEditing() : this.disableEditing()
},
massClear (val) {
val ? this.originInstance.enableMassClear() : this.originInstance.disableMassClear()
},
clicking (val) {
this.reload()
}
},
methods: {
dragStartHandler () {
this.isEditing = true
},
dragEndHandler () {
this.isEditing = false
this.bindEditingNodeEvents()
},
bindEditingNodeEvents () {
const {originInstance, editingKey, dragStartHandler, dragEndHandler} = this
originInstance[editingKey].forEach($node => {
$node.addEventListener('dragstart', dragStartHandler)
$node.addEventListener('dragend', dragEndHandler)
})
},
enableEditing () {
const {originInstance, bindEditingNodeEvents} = this
originInstance.enableEditing()
bindEditingNodeEvents()
},
disableEditing () {
const {originInstance} = this
originInstance.disableEditing()
},
getEditingKey (overlay) {
const stack = []
overlay.enableEditing()
setTimeout(() => {
for (const key in overlay) {
if (overlay[key] && overlay[key].length === 2) {
stack.push(key)
}
}
overlay.disableEditing()
for (const key in overlay) {
if (overlay[key] && overlay[key].length === 0 && ~stack.indexOf(key)) {
this.editingKey = key
}
}
}, 0)
},
load () {
const {BMap, map, center, radius, strokeColor, strokeWeight, strokeOpacity, strokeStyle, fillColor, fillOpacity, editing, massClear, clicking, enableEditing, disableEditing, getEditingKey, editingKey} = this
const overlay = new BMap.Circle(createPoint(BMap, {lng: center.lng, lat: center.lat}), radius, {
strokeColor,
strokeWeight,
strokeOpacity,
strokeStyle,
fillColor,
fillOpacity,
// enableEditing: editing,
enableMassClear: massClear,
enableClicking: clicking
})
this.originInstance = overlay
map.addOverlay(overlay)
bindEvents.call(this, overlay)
// 解决圆形组件无法双向绑定的问题
!editingKey && getEditingKey(overlay)
setTimeout(() => {
editing ? enableEditing() : disableEditing()
}, 0)
}
}
}
</script>