290144e9
 易尊强
第一次
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const types = {
control: {
unload: 'removeControl'
},
layer: {
unload: 'removeTileLayer'
},
overlay: {
unload: 'removeOverlay'
},
contextMenu: {
unload: 'removeContextMenu'
}
}
const getParent = $component => ($component.abstract || $component.$el === $component.$children[0].$el) ? getParent($component.$parent) : $component
function destroyInstance () {
const {unload, renderByParent, $parent} = this
if (renderByParent) {
$parent.reload()
}
unload()
}
class Mixin {
constructor (prop) {
this.methods = {
ready () {
const $parent = getParent(this.$parent)
const BMap = this.BMap = $parent.BMap
const map = this.map = $parent.map
this.load()
this.$emit('ready', {
BMap,
map
})
},
transmitEvent (e) {
this.$emit(e.type.replace(/^on/, ''), e)
},
reload () {
this && this.BMap && this.$nextTick(() => {
this.unload()
this.$nextTick(this.load)
})
},
unload () {
const {map, originInstance} = this
try {
switch (prop.type) {
case 'search':
return originInstance.clearResults()
case 'autoComplete':
case 'lushu':
return originInstance.dispose()
case 'markerClusterer':
return originInstance.clearMarkers()
default:
map[types[prop.type].unload](originInstance)
}
} catch (e) {}
}
}
this.computed = {
renderByParent () {
return this.$parent.preventChildrenRender
}
}
this.mounted = function () {
const $parent = getParent(this.$parent)
const map = $parent.map
const {ready} = this
map ? ready() : $parent.$on('ready', ready)
}
this.destroyed = destroyInstance
this.beforeDestroy = destroyInstance
}
}
export default type => new Mixin({type})
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