| | |
| | | import { getRect } from '../common/utils'; |
| | | const { prefix } = config; |
| | | const name = `${prefix}-cascader`; |
| | | function parseOptions(options, keys) { |
| | | var _a, _b; |
| | | const label = (_a = keys === null || keys === void 0 ? void 0 : keys.label) !== null && _a !== void 0 ? _a : 'label'; |
| | | const value = (_b = keys === null || keys === void 0 ? void 0 : keys.value) !== null && _b !== void 0 ? _b : 'value'; |
| | | return options.map((item) => { |
| | | return { |
| | | [label]: item[label], |
| | | [value]: item[value], |
| | | }; |
| | | }); |
| | | } |
| | | const defaultState = { |
| | | contentHeight: 0, |
| | | stepHeight: 0, |
| | | tabsHeight: 0, |
| | | subTitlesHeight: 0, |
| | | stepsInitHeight: 0, |
| | | }; |
| | | const defaultOptionLabel = '选择选项'; |
| | | let Cascader = class Cascader extends SuperComponent { |
| | | constructor() { |
| | | super(...arguments); |
| | | this.externalClasses = [`${prefix}-class`]; |
| | | this.options = { |
| | | multipleSlots: true, |
| | | pureDataPattern: /^options$/, |
| | | }; |
| | | this.properties = props; |
| | | this.controlledProps = [ |
| | |
| | | event: 'change', |
| | | }, |
| | | ]; |
| | | this.state = Object.assign({}, defaultState); |
| | | this.data = { |
| | | prefix, |
| | | name, |
| | | stepIndex: 0, |
| | | selectedIndexes: [], |
| | | selectedValue: [], |
| | | defaultOptionLabel, |
| | | scrollTopList: [], |
| | | steps: [], |
| | | _optionsHeight: 0, |
| | | steps: [defaultOptionLabel], |
| | | }; |
| | | this.observers = { |
| | | visible(v) { |
| | | if (v) { |
| | | const $tabs = this.selectComponent('#tabs'); |
| | | $tabs === null || $tabs === void 0 ? void 0 : $tabs.setTrack(); |
| | | $tabs === null || $tabs === void 0 ? void 0 : $tabs.getTabHeight().then((res) => { |
| | | this.state.tabsHeight = res.height; |
| | | }); |
| | | this.initOptionsHeight(this.data.steps.length); |
| | | this.updateScrollTop(); |
| | | this.initWithValue(); |
| | | } |
| | | else { |
| | | this.state = Object.assign({}, defaultState); |
| | | }, |
| | | 'selectedIndexes, options'() { |
| | | var _a, _b, _c, _d; |
| | | const { options, selectedIndexes, keys } = this.data; |
| | | const selectedValue = []; |
| | | const steps = []; |
| | | const items = [options]; |
| | | if (options.length > 0) { |
| | | for (let i = 0, size = selectedIndexes.length; i < size; i += 1) { |
| | | const index = selectedIndexes[i]; |
| | | const next = items[i][index]; |
| | | selectedValue.push(next[(_a = keys === null || keys === void 0 ? void 0 : keys.value) !== null && _a !== void 0 ? _a : 'value']); |
| | | steps.push(next[(_b = keys === null || keys === void 0 ? void 0 : keys.label) !== null && _b !== void 0 ? _b : 'label']); |
| | | if (next[(_c = keys === null || keys === void 0 ? void 0 : keys.children) !== null && _c !== void 0 ? _c : 'children']) { |
| | | items.push(next[(_d = keys === null || keys === void 0 ? void 0 : keys.children) !== null && _d !== void 0 ? _d : 'children']); |
| | | } |
| | | }, |
| | | value() { |
| | | this.initWithValue(); |
| | | }, |
| | | options() { |
| | | const { selectedValue, steps, items } = this.genItems(); |
| | | } |
| | | } |
| | | if (steps.length < items.length) { |
| | | steps.push(defaultOptionLabel); |
| | | } |
| | | this.setData({ |
| | | steps, |
| | | items, |
| | | selectedValue, |
| | | stepIndex: items.length - 1, |
| | | }); |
| | | }, |
| | | selectedIndexes() { |
| | | const { visible, theme } = this.properties; |
| | | const { selectedValue, steps, items } = this.genItems(); |
| | | this.setData({ |
| | | steps, |
| | | selectedValue, |
| | | stepIndex: items.length - 1, |
| | | }); |
| | | if (visible && theme === 'step') { |
| | | this.updateOptionsHeight(steps.length); |
| | | } |
| | | }, |
| | | stepIndex() { |
| | | return __awaiter(this, void 0, void 0, function* () { |
| | |
| | | }, |
| | | }; |
| | | this.methods = { |
| | | updateOptionsHeight(steps) { |
| | | const { contentHeight, stepsInitHeight, stepHeight, subTitlesHeight } = this.state; |
| | | this.setData({ |
| | | _optionsHeight: contentHeight - stepsInitHeight - subTitlesHeight - (steps - 1) * stepHeight, |
| | | }); |
| | | }, |
| | | initOptionsHeight(steps) { |
| | | return __awaiter(this, void 0, void 0, function* () { |
| | | const { theme, subTitles } = this.properties; |
| | | const { height } = yield getRect(this, `.${name}__content`); |
| | | this.state.contentHeight = height; |
| | | if (theme === 'step') { |
| | | yield Promise.all([getRect(this, `.${name}__steps`), getRect(this, `.${name}__step`)]).then(([stepsRect, stepRect]) => { |
| | | this.state.stepsInitHeight = stepsRect.height - (steps - 1) * stepRect.height; |
| | | this.state.stepHeight = stepRect.height; |
| | | }); |
| | | } |
| | | if (subTitles.length > 0) { |
| | | const { height } = yield getRect(this, `.${name}__options-title`); |
| | | this.state.subTitlesHeight = height; |
| | | } |
| | | const optionsInitHeight = this.state.contentHeight - this.state.subTitlesHeight; |
| | | this.setData({ |
| | | _optionsHeight: theme === 'step' |
| | | ? optionsInitHeight - this.state.stepsInitHeight - (steps - 1) * this.state.stepHeight |
| | | : optionsInitHeight - this.state.tabsHeight, |
| | | }); |
| | | }); |
| | | }, |
| | | initWithValue() { |
| | | if (this.data.value != null && this.data.value !== '') { |
| | | const selectedIndexes = this.getIndexesByValue(this.data.options, this.data.value); |
| | |
| | | stepIndex: value, |
| | | }); |
| | | }, |
| | | genItems() { |
| | | var _a, _b, _c, _d, _e; |
| | | const { options, selectedIndexes, keys, placeholder } = this.data; |
| | | const selectedValue = []; |
| | | const steps = []; |
| | | const items = [parseOptions(options, keys)]; |
| | | if (options.length > 0) { |
| | | let current = options; |
| | | for (let i = 0, size = selectedIndexes.length; i < size; i += 1) { |
| | | const index = selectedIndexes[i]; |
| | | const next = current[index]; |
| | | current = next[(_a = keys === null || keys === void 0 ? void 0 : keys.children) !== null && _a !== void 0 ? _a : 'children']; |
| | | selectedValue.push(next[(_b = keys === null || keys === void 0 ? void 0 : keys.value) !== null && _b !== void 0 ? _b : 'value']); |
| | | steps.push(next[(_c = keys === null || keys === void 0 ? void 0 : keys.label) !== null && _c !== void 0 ? _c : 'label']); |
| | | if (next[(_d = keys === null || keys === void 0 ? void 0 : keys.children) !== null && _d !== void 0 ? _d : 'children']) { |
| | | items.push(parseOptions(next[(_e = keys === null || keys === void 0 ? void 0 : keys.children) !== null && _e !== void 0 ? _e : 'children'], keys)); |
| | | } |
| | | } |
| | | } |
| | | if (steps.length < items.length) { |
| | | steps.push(placeholder); |
| | | } |
| | | return { |
| | | selectedValue, |
| | | steps, |
| | | items, |
| | | }; |
| | | }, |
| | | handleSelect(e) { |
| | | var _a, _b, _c, _d; |
| | | var _a, _b, _c; |
| | | const { level } = e.target.dataset; |
| | | const { value } = e.detail; |
| | | const { selectedIndexes, items, keys, options } = this.data; |
| | | const { selectedIndexes, items, keys } = this.data; |
| | | 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; }); |
| | | let item = selectedIndexes.slice(0, level).reduce((acc, item, index) => { |
| | | var _a; |
| | | if (index === 0) { |
| | | return acc[item]; |
| | | } |
| | | return acc[(_a = keys === null || keys === void 0 ? void 0 : keys.children) !== null && _a !== void 0 ? _a : 'children'][item]; |
| | | }, options); |
| | | if (level === 0) { |
| | | item = item[index]; |
| | | } |
| | | else { |
| | | item = item[(_a = keys === null || keys === void 0 ? void 0 : keys.children) !== null && _a !== void 0 ? _a : 'children'][index]; |
| | | } |
| | | const item = items[level][index]; |
| | | if (item.disabled) { |
| | | return; |
| | | } |
| | | selectedIndexes[level] = index; |
| | | selectedIndexes.length = level + 1; |
| | | this.triggerEvent('pick', { value: item[(_b = keys === null || keys === void 0 ? void 0 : keys.value) !== null && _b !== void 0 ? _b : 'value'], index, level }); |
| | | const { items: newItems } = this.genItems(); |
| | | if ((_d = item === null || item === void 0 ? void 0 : item[(_c = keys === null || keys === void 0 ? void 0 : keys.children) !== null && _c !== void 0 ? _c : 'children']) === null || _d === void 0 ? void 0 : _d.length) { |
| | | this.setData({ |
| | | selectedIndexes, |
| | | [`items[${level + 1}]`]: newItems[level + 1], |
| | | }); |
| | | this.triggerEvent('pick', { value: item[(_a = keys === null || keys === void 0 ? void 0 : keys.value) !== null && _a !== void 0 ? _a : 'value'], index, level }); |
| | | 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) { |
| | | this.setData({ selectedIndexes }); |
| | | } |
| | | else { |
| | | this.setData({ |
| | | selectedIndexes, |
| | | }, () => { |
| | | this.setData({ selectedIndexes }, () => { |
| | | var _a; |
| | | const { items } = this.data; |
| | | this._trigger('change', { |