Label.vue
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<script>
import commonMixin from '../base/mixins/common.js'
import bindEvents from '../base/bindEvent.js'
import {createPoint, createSize} from '../base/factory.js'
export default {
name: 'bm-label',
render () {},
mixins: [commonMixin('overlay')],
props: {
content: {
type: String
},
title: {
type: String
},
offset: {},
position: {},
labelStyle: {},
zIndex: {
type: Number,
default: 0
},
massClear: {
type: Boolean,
default: true
}
},
watch: {
content (val) {
this.originInstance.setContent(val)
},
title (val) {
this.originInstance.setTitle(val)
},
'offset.width' (val, oldVal) {
const {BMap} = this
if (val.toString() !== oldVal.toString()) {
this.originInstance.setOffset(createSize(BMap, {width: val, height: this.offset.height}))
}
},
'offset.height' (val, oldVal) {
const {BMap} = this
if (val.toString() !== oldVal.toString()) {
this.originInstance.setOffset(createSize(BMap, {
width: this.offset.width,
height: val
}))
}
},
'position.lng' (val, oldVal) {
const {BMap} = this
const lng = val
if (val.toString() !== oldVal.toString() && lng >= -180 && lng <= 180) {
this.originInstance.setCenter(createPoint(BMap, {lng, lat: this.center.lat}))
}
},
'position.lat' (val, oldVal) {
const {BMap} = this
const lat = val
if (val.toString() !== oldVal.toString() && lat >= -74 && lat <= 74) {
this.originInstance.setCenter(createPoint(BMap, {lng: this.center.lng, lat}))
}
},
labelStyle: {
handler (val) {
this.originInstance.setStyle(val)
},
deep: true
},
zIndex (val) {
this.originInstance.setZIndex(val)
},
massClear (val) {
val ? this.originInstance.enableMassClear() : this.originInstance.disableMassClear()
}
},
methods: {
load () {
const {BMap, map, content, title, offset, position, labelStyle, zIndex, massClear, $parent} = this
const overlay = new BMap.Label(content, {
offset: createSize(BMap, offset),
position: createPoint(BMap, position),
enableMassClear: massClear
})
this.originInstance = overlay
try {
$parent.originInstance.setLabel(overlay)
} catch (e) {
map.addOverlay(overlay)
}
title && overlay.setTitle(title)
labelStyle && overlay.setStyle(labelStyle)
zIndex && overlay.setZIndex(zIndex)
bindEvents.call(this, overlay)
}
}
}
</script>