city-casereport/miniprogram_npm/tdesign-miniprogram/tree-select/tree-select.js
2023-12-06 14:22:42 +08:00

99 lines
4.1 KiB
JavaScript

var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
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;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
import { SuperComponent, wxComponent } from '../common/src/index';
import config from '../common/config';
import props from './props';
const { prefix } = config;
const name = `${prefix}-tree-select`;
let TreeSelect = class TreeSelect extends SuperComponent {
constructor() {
super(...arguments);
this.externalClasses = [`${prefix}-class`];
this.options = {
multipleSlots: true,
};
this.data = {
prefix,
classPrefix: name,
};
this.properties = props;
this.controlledProps = [
{
key: 'value',
event: 'change',
},
];
this.observers = {
'value, options, keys, multiple'() {
this.buildTreeOptions();
},
};
this.methods = {
buildTreeOptions() {
const { options, value, multiple, keys } = this.data;
const treeOptions = [];
let level = -1;
let node = { children: options };
if (options.length === 0 || (Array.isArray(value) && value.length === 0))
return;
while (node && node.children) {
level += 1;
const list = node.children.map((item) => ({
label: item[(keys === null || keys === void 0 ? void 0 : keys.label) || 'label'],
value: item[(keys === null || keys === void 0 ? void 0 : keys.value) || 'value'],
children: item.children,
}));
const thisValue = value === null || value === void 0 ? void 0 : value[level];
treeOptions.push([...list]);
if (thisValue == null) {
const [firstChild] = list;
node = firstChild;
}
else {
const child = list.find((child) => child.value === thisValue);
node = child !== null && child !== void 0 ? child : list[0];
}
}
const leafLevel = Math.max(0, level);
if (multiple) {
const finalValue = this.data.value || this.data.defaultValue;
if (finalValue[leafLevel] != null && !Array.isArray(finalValue[leafLevel])) {
throw TypeError('应传入数组类型的 value');
}
}
this.setData({
leafLevel,
treeOptions,
});
},
onRootChange(e) {
const { value } = this.data;
const { value: itemValue } = e.detail;
value[0] = itemValue;
this._trigger('change', { value, level: 0 });
},
handleTreeClick(e) {
const { level, value: itemValue } = e.currentTarget.dataset;
const { value } = this.data;
value[level] = itemValue;
this._trigger('change', { value, level: 1 });
},
handleRadioChange(e) {
const { value } = this.data;
const { value: itemValue } = e.detail;
const { level } = e.target.dataset;
value[level] = itemValue;
this._trigger('change', { value, level });
},
};
}
};
TreeSelect = __decorate([
wxComponent()
], TreeSelect);
export default TreeSelect;