123 lines
4.2 KiB
JavaScript
123 lines
4.2 KiB
JavaScript
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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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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const { prefix } = config;
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const name = `${prefix}-stepper`;
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let Stepper = class Stepper extends SuperComponent {
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constructor() {
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super(...arguments);
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this.externalClasses = [`${prefix}-class`, `${prefix}-class-input`, `${prefix}-class-minus`, `${prefix}-class-plus`];
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this.options = {
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addGlobalClass: true,
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};
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this.properties = Object.assign({}, 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.observers = {
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value(v) {
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this.preValue = Number(v);
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this.setData({
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currentValue: this.format(Number(v)),
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});
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},
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};
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this.data = {
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currentValue: 0,
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classPrefix: name,
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prefix,
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};
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this.lifetimes = {
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attached() {
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const { value, min } = this.properties;
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this.setData({
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currentValue: value ? Number(value) : min,
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});
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},
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};
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this.methods = {
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handleFocus(e) {
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const { value } = e.detail;
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this.triggerEvent('focus', { value });
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},
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handleInput(e) {
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const { value } = e.detail;
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if (value === '') {
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return;
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}
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this.triggerEvent('input', { value });
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},
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handleBlur(e) {
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const { value: rawValue } = e.detail;
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const value = this.format(rawValue);
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this.setValue(value);
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this.triggerEvent('blur', { value });
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},
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};
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}
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isDisabled(type) {
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const { min, max, disabled } = this.properties;
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const { currentValue } = this.data;
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if (disabled) {
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return true;
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}
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if (type === 'minus' && currentValue <= min) {
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return true;
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}
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if (type === 'plus' && currentValue >= max) {
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return true;
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}
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return false;
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}
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getLen(num) {
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const numStr = num.toString();
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return numStr.indexOf('.') === -1 ? 0 : numStr.split('.')[1].length;
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}
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add(a, b) {
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const maxLen = Math.max(this.getLen(a), this.getLen(b));
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const base = Math.pow(10, maxLen);
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return Math.round(a * base + b * base) / base;
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}
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format(value) {
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const { min, max, step } = this.properties;
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const len = Math.max(this.getLen(step), this.getLen(value));
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return Math.max(Math.min(max, value, Number.MAX_SAFE_INTEGER), min, Number.MIN_SAFE_INTEGER).toFixed(len);
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}
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setValue(value) {
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value = this.format(value);
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if (this.preValue === value)
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return;
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this.preValue = value;
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this._trigger('change', { value: Number(value) });
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}
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minusValue() {
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if (this.isDisabled('minus')) {
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this.triggerEvent('overlimit', { type: 'minus' });
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return false;
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}
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const { currentValue, step } = this.data;
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this.setValue(this.add(currentValue, -step));
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}
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plusValue() {
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if (this.isDisabled('plus')) {
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this.triggerEvent('overlimit', { type: 'plus' });
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return false;
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}
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const { currentValue, step } = this.data;
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this.setValue(this.add(currentValue, step));
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}
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};
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Stepper = __decorate([
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wxComponent()
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], Stepper);
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export default Stepper;
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