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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>
|
|
