var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
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var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
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if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
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else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
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return c > 3 && r && Object.defineProperty(target, key, r), r;
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};
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var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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return new (P || (P = Promise))(function (resolve, reject) {
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function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
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function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
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function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
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step((generator = generator.apply(thisArg, _arguments || [])).next());
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});
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};
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import { SuperComponent, wxComponent } from '../common/src/index';
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import config from '../common/config';
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import props from './props';
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import { getRect } from '../common/utils';
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const { prefix } = config;
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const name = `${prefix}-cascader`;
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const defaultOptionLabel = '选择选项';
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let Cascader = class Cascader extends SuperComponent {
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constructor() {
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super(...arguments);
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this.externalClasses = [`${prefix}-class`];
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this.options = {
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multipleSlots: true,
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};
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this.properties = props;
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this.controlledProps = [
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{
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key: 'value',
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event: 'change',
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},
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];
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this.data = {
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prefix,
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name,
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stepIndex: 0,
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selectedIndexes: [],
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selectedValue: [],
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defaultOptionLabel,
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scrollTopList: [],
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steps: [defaultOptionLabel],
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};
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this.observers = {
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visible(v) {
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if (v) {
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const $tabs = this.selectComponent('#tabs');
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$tabs === null || $tabs === void 0 ? void 0 : $tabs.setTrack();
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this.updateScrollTop();
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this.initWithValue();
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}
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},
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value() {
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this.initWithValue();
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},
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'selectedIndexes, options'() {
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var _a, _b, _c, _d;
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const { options, selectedIndexes, keys } = this.data;
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const selectedValue = [];
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const steps = [];
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const items = [options];
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if (options.length > 0) {
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for (let i = 0, size = selectedIndexes.length; i < size; i += 1) {
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const index = selectedIndexes[i];
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const next = items[i][index];
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selectedValue.push(next[(_a = keys === null || keys === void 0 ? void 0 : keys.value) !== null && _a !== void 0 ? _a : 'value']);
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steps.push(next[(_b = keys === null || keys === void 0 ? void 0 : keys.label) !== null && _b !== void 0 ? _b : 'label']);
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if (next[(_c = keys === null || keys === void 0 ? void 0 : keys.children) !== null && _c !== void 0 ? _c : 'children']) {
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items.push(next[(_d = keys === null || keys === void 0 ? void 0 : keys.children) !== null && _d !== void 0 ? _d : 'children']);
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}
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}
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}
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if (steps.length < items.length) {
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steps.push(defaultOptionLabel);
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}
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this.setData({
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steps,
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items,
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selectedValue,
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stepIndex: items.length - 1,
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});
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},
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stepIndex() {
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return __awaiter(this, void 0, void 0, function* () {
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const { visible } = this.data;
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if (visible) {
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this.updateScrollTop();
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}
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});
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},
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};
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this.methods = {
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initWithValue() {
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if (this.data.value != null && this.data.value !== '') {
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const selectedIndexes = this.getIndexesByValue(this.data.options, this.data.value);
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if (selectedIndexes) {
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this.setData({ selectedIndexes });
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}
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}
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else {
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this.setData({ selectedIndexes: [] });
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}
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},
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getIndexesByValue(options, value) {
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var _a, _b, _c;
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const { keys } = this.data;
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for (let i = 0, size = options.length; i < size; i += 1) {
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const opt = options[i];
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if (opt[(_a = keys === null || keys === void 0 ? void 0 : keys.value) !== null && _a !== void 0 ? _a : 'value'] === value) {
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return [i];
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}
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if (opt[(_b = keys === null || keys === void 0 ? void 0 : keys.children) !== null && _b !== void 0 ? _b : 'children']) {
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const res = this.getIndexesByValue(opt[(_c = keys === null || keys === void 0 ? void 0 : keys.children) !== null && _c !== void 0 ? _c : 'children'], value);
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if (res) {
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return [i, ...res];
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}
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}
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}
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},
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updateScrollTop() {
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const { visible, items, selectedIndexes, stepIndex } = this.data;
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if (visible) {
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getRect(this, '.cascader-radio-group-0').then((rect) => {
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var _a;
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const eachRadioHeight = rect.height / ((_a = items[0]) === null || _a === void 0 ? void 0 : _a.length);
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this.setData({
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[`scrollTopList[${stepIndex}]`]: eachRadioHeight * selectedIndexes[stepIndex],
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});
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});
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}
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},
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hide(trigger) {
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this.setData({ visible: false });
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this.triggerEvent('close', { trigger: trigger });
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},
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onVisibleChange() {
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this.hide('overlay');
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},
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onClose() {
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this.hide('close-btn');
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},
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onStepClick(e) {
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const { index } = e.currentTarget.dataset;
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this.setData({ stepIndex: index });
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},
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onTabChange(e) {
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const { value } = e.detail;
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this.setData({
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stepIndex: value,
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});
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},
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handleSelect(e) {
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var _a, _b, _c;
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const { level } = e.target.dataset;
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const { value } = e.detail;
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const { selectedIndexes, items, keys } = this.data;
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const index = items[level].findIndex((item) => { var _a; return item[(_a = keys === null || keys === void 0 ? void 0 : keys.value) !== null && _a !== void 0 ? _a : 'value'] === value; });
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const item = items[level][index];
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if (item.disabled) {
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return;
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}
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selectedIndexes[level] = index;
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selectedIndexes.length = level + 1;
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this.triggerEvent('pick', { value: item[(_a = keys === null || keys === void 0 ? void 0 : keys.value) !== null && _a !== void 0 ? _a : 'value'], index, level });
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if ((_c = item === null || item === void 0 ? void 0 : item[(_b = keys === null || keys === void 0 ? void 0 : keys.children) !== null && _b !== void 0 ? _b : 'children']) === null || _c === void 0 ? void 0 : _c.length) {
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this.setData({ selectedIndexes });
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}
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else {
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this.setData({ selectedIndexes }, () => {
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var _a;
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const { items } = this.data;
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this._trigger('change', {
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value: item[(_a = keys === null || keys === void 0 ? void 0 : keys.value) !== null && _a !== void 0 ? _a : 'value'],
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selectedOptions: items.map((item, index) => item[selectedIndexes[index]]),
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});
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});
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this.hide('finish');
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}
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},
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};
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}
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};
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Cascader = __decorate([
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wxComponent()
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], Cascader);
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export default Cascader;
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