158 lines
5.1 KiB
JavaScript
158 lines
5.1 KiB
JavaScript
import { VantComponent } from '../common/component';
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import { pickerProps } from '../picker/shared';
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VantComponent({
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classes: ['active-class', 'toolbar-class', 'column-class'],
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props: Object.assign({}, pickerProps, { value: String, areaList: {
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type: Object,
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value: {}
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}, columnsNum: {
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type: [String, Number],
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value: 3
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} }),
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data: {
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columns: [{ values: [] }, { values: [] }, { values: [] }],
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displayColumns: [{ values: [] }, { values: [] }, { values: [] }]
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},
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watch: {
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value(value) {
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this.code = value;
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this.setValues();
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},
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areaList: 'setValues',
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columnsNum(value) {
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this.set({
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displayColumns: this.data.columns.slice(0, +value)
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});
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}
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},
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mounted() {
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this.setValues();
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},
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methods: {
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getPicker() {
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if (this.picker == null) {
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this.picker = this.selectComponent('.van-area__picker');
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}
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return this.picker;
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},
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onCancel(event) {
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this.emit('cancel', event.detail);
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},
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onConfirm(event) {
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this.emit('confirm', event.detail);
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},
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emit(type, detail) {
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detail.values = detail.value;
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delete detail.value;
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this.$emit(type, detail);
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},
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onChange(event) {
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const { index, picker, value } = event.detail;
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this.code = value[index].code;
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this.setValues().then(() => {
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this.$emit('change', {
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picker,
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values: picker.getValues(),
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index
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});
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});
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},
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getConfig(type) {
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const { areaList } = this.data;
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return (areaList && areaList[`${type}_list`]) || {};
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},
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getList(type, code) {
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let result = [];
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if (type !== 'province' && !code) {
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return result;
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}
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const list = this.getConfig(type);
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result = Object.keys(list).map(code => ({
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code,
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name: list[code]
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}));
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if (code) {
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// oversea code
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if (code[0] === '9' && type === 'city') {
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code = '9';
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}
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result = result.filter(item => item.code.indexOf(code) === 0);
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}
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return result;
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},
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getIndex(type, code) {
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let compareNum = type === 'province' ? 2 : type === 'city' ? 4 : 6;
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const list = this.getList(type, code.slice(0, compareNum - 2));
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// oversea code
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if (code[0] === '9' && type === 'province') {
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compareNum = 1;
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}
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code = code.slice(0, compareNum);
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for (let i = 0; i < list.length; i++) {
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if (list[i].code.slice(0, compareNum) === code) {
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return i;
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}
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}
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return 0;
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},
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setValues() {
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const county = this.getConfig('county');
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let code = this.code || Object.keys(county)[0] || '';
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const province = this.getList('province');
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const city = this.getList('city', code.slice(0, 2));
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const picker = this.getPicker();
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if (!picker) {
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return;
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}
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const stack = [];
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stack.push(picker.setColumnValues(0, province, false));
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stack.push(picker.setColumnValues(1, city, false));
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if (city.length && code.slice(2, 4) === '00') {
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[{ code }] = city;
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}
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stack.push(picker.setColumnValues(2, this.getList('county', code.slice(0, 4)), false));
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return Promise.all(stack)
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.catch(() => { })
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.then(() => picker.setIndexes([
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this.getIndex('province', code),
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this.getIndex('city', code),
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this.getIndex('county', code)
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]))
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.catch(() => { });
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},
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getValues() {
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const picker = this.getPicker();
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return picker ? picker.getValues().filter(value => !!value) : [];
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},
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getDetail() {
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const values = this.getValues();
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const area = {
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code: '',
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country: '',
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province: '',
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city: '',
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county: ''
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};
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if (!values.length) {
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return area;
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}
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const names = values.map((item) => item.name);
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area.code = values[values.length - 1].code;
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if (area.code[0] === '9') {
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area.country = names[1] || '';
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area.province = names[2] || '';
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}
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else {
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area.province = names[0] || '';
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area.city = names[1] || '';
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area.county = names[2] || '';
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}
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return area;
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},
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reset() {
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this.code = '';
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return this.setValues();
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}
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}
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});
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