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82 lines
1.9 KiB
82 lines
1.9 KiB
3 months ago
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const types = {
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control: {
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unload: 'removeControl'
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},
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layer: {
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unload: 'removeTileLayer'
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},
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overlay: {
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unload: 'removeOverlay'
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},
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contextMenu: {
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unload: 'removeContextMenu'
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}
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}
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const getParent = $component => ($component.abstract || $component.$el === $component.$children[0].$el) ? getParent($component.$parent) : $component
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function destroyInstance () {
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const {unload, renderByParent, $parent} = this
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if (renderByParent) {
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$parent.reload()
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}
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unload()
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}
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class Mixin {
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constructor (prop) {
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this.methods = {
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ready () {
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const $parent = getParent(this.$parent)
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const BMap = this.BMap = $parent.BMap
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const map = this.map = $parent.map
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this.load()
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this.$emit('ready', {
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BMap,
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map
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})
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},
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transmitEvent (e) {
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this.$emit(e.type.replace(/^on/, ''), e)
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},
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reload () {
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this && this.BMap && this.$nextTick(() => {
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this.unload()
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this.$nextTick(this.load)
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})
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},
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unload () {
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const {map, originInstance} = this
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try {
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switch (prop.type) {
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case 'search':
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return originInstance.clearResults()
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case 'autoComplete':
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case 'lushu':
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return originInstance.dispose()
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case 'markerClusterer':
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return originInstance.clearMarkers()
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default:
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map[types[prop.type].unload](originInstance)
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}
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} catch (e) {}
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}
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}
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this.computed = {
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renderByParent () {
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return this.$parent.preventChildrenRender
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}
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}
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this.mounted = function () {
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const $parent = getParent(this.$parent)
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const map = $parent.map
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const {ready} = this
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map ? ready() : $parent.$on('ready', ready)
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}
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this.destroyed = destroyInstance
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this.beforeDestroy = destroyInstance
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}
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}
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export default type => new Mixin({type})
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