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import '../styles/city.styl'
import { srcProvince, srcCity } from '../formatted'
import selector from '../mixins/selector'
import search from '../mixins/selectorWithSearch'
import dropdown from 'v-dropdown'
export default {
name: 'CityPicker',
mixins: [search, selector],
inheritAttrs: false,
components: { dropdown },
props: {
i18n: {
type: String,
default: 'cn'
},
value: Array
},
data () {
return {
/**
* data list to display
* [{
* province: { key: '', value: ''},
* citys: [
* {key: '', value: ''},
* {key: '', value: ''},
* ...
* ]
* }]
*/
list: [],
// converted data list
listBuilt: [],
query: '',
picked: []
}
},
computed: {
selectedText () {
return this.picked.map(val => val.value).join(',')
}
},
watch: {
/**
* region search
* search region description first, if no result, then search region key
* @param value
*/
query (value) {
const keyword = value.trim()
if (keyword) {
const list = []
this.listBuilt.forEach(val => {
const citys = val.citys.filter(city => new RegExp(keyword).test(city.value))
if (citys.length) list.push({ province: val.province, citys: citys })
})
this.list = list
} else {
this.list = this.listBuilt.slice()
}
},
/**
* initialize selected citys
*/
value: {
handler (val) {
Eif (Array.isArray(val)) {
Iif (this.equal(val)) return
Eif (val.length) {
const provincialCity = srcProvince.filter(item => val.includes(item.key))
// marge province and city
this.picked = [
...provincialCity,
...srcCity.filter(item => val.includes(item.key))
]
} else this.picked = []
this.emit(false)
}
},
immediate: true
}
},
render (h) {
const child = []
child.push(this.buildCaller(h))
// search bar
child.push(h('div', { class: 'rg-search-bar' }, [
h('input', {
ref: 'search',
class: 'rg-input',
attrs: {
type: 'text',
autocomplete: 'off'
},
domProps: {
value: this.query.trim()
},
on: {
input: e => {
this.query = e.target.value.trim()
}
}
})
]))
// province grouped city list
child.push(h('div', { class: 'rg-picker' }, this.list.map(val => {
return h('div', {
class: 'rg-picker__row',
key: val.province.key
}, [
h('dl', [
h('dt', val.province.value),
h('dd', [
h('ul', val.citys.map(city => {
return h('li', {
key: city.key,
class: {
selected: this.inPicked(city)
},
on: {
click: () => {
this.pick(city)
}
}
}, city.value)
}))
])
])
])
})))
return h('dropdown', {
ref: 'drop',
props: {
border: false
},
on: {
show: this.showChange
}
}, child)
},
methods: {
prepared () {
// beijing, tianjin, shanghai, chongqing
const municipalitys = ['110000', '120000', '310000', '500000']
const municipality = '000000'
// hongkong, macao
const specials = ['810000', '820000']
const special = '000010'
const listTmp = []
const municipalityObj = {
province: { key: municipality, value: '直辖市' },
citys: []
}
const specialObj = {
province: { key: special, value: '特别行政区' },
citys: []
}
// set provinces
srcProvince.forEach(val => {
if (municipalitys.includes(val.key)) municipalityObj.citys.push(val)
else if (specials.includes(val.key)) specialObj.citys.push(val)
else listTmp.push({ province: val, citys: [] })
})
listTmp.forEach(val => {
val.citys = srcCity.filter(value => {
const num = Number.parseInt(val.province.key)
return (value.key - num) < 1e4 && (value.key % num) < 1e4
})
})
this.listBuilt = [...[municipalityObj], ...listTmp, ...[specialObj]]
},
// dropdown position adjust
adjust () {
this.$nextTick(() => {
this.$refs.drop.adjust()
})
},
emit (input = true) {
if (input) this.$emit('input', this.picked.map(val => val.key))
this.$emit('values', this.picked)
},
/**
* v-model/value(keys) whether equal to picked keys
*
* @param {array} keys
* @returns
*/
equal (keys) {
Iif (keys.length === this.picked.length) {
if (!keys.length) return true
this.picked.forEach(val => {
if (!keys.includes(val.key)) return false
})
return true
} else return false
},
clear () {
this.picked = []
this.close()
this.emit()
},
pick (item) {
Iif (this.inPicked(item)) {
this.picked.splice(this.picked.findIndex(val => val.key === item.key), 1)
} else {
this.picked.push(item)
}
this.emit()
this.adjust()
},
inPicked (city) {
if (!city || !this.picked.length) return false
return this.picked.some(val => val.key === city.key)
}
},
created () {
this.prepared()
this.list = this.listBuilt.slice()
}
}
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