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

106 lines
4.0 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';
import { getCharacterLength } from '../common/utils';
const { prefix } = config;
const name = `${prefix}-textarea`;
let Textarea = class Textarea extends SuperComponent {
constructor() {
super(...arguments);
this.options = {
multipleSlots: true,
};
this.behaviors = ['wx://form-field'];
this.externalClasses = [
`${prefix}-class`,
`${prefix}-class-textarea`,
`${prefix}-class-label`,
`${prefix}-class-indicator`,
];
this.properties = props;
this.data = {
prefix,
classPrefix: name,
count: 0,
};
this.observers = {
value(val) {
this.updateCount(val);
},
};
this.lifetimes = {
ready() {
const { value } = this.properties;
this.updateValue(value == null ? '' : value);
},
};
this.methods = {
updateCount(val) {
const { maxcharacter, maxlength } = this.properties;
const { count } = this.calculateValue(val, maxcharacter, maxlength);
this.setData({
count,
});
},
updateValue(val) {
const { maxcharacter, maxlength } = this.properties;
const { value, count } = this.calculateValue(val, maxcharacter, maxlength);
this.setData({
value,
count,
});
},
calculateValue(value, maxcharacter, maxlength) {
if (maxcharacter > 0 && !Number.isNaN(maxcharacter)) {
const { length, characters } = getCharacterLength('maxcharacter', value, maxcharacter);
return {
value: characters,
count: length,
};
}
if (maxlength > 0 && !Number.isNaN(maxlength)) {
const { length, characters } = getCharacterLength('maxlength', value, maxlength);
return {
value: characters,
count: length,
};
}
return {
value,
count: value ? String(value).length : 0,
};
},
onInput(event) {
const { value } = event.detail;
this.updateValue(value);
this.triggerEvent('change', { value: this.data.value });
},
onFocus(event) {
this.triggerEvent('focus', Object.assign({}, event.detail));
},
onBlur(event) {
this.triggerEvent('blur', Object.assign({}, event.detail));
},
onConfirm(event) {
this.triggerEvent('enter', Object.assign({}, event.detail));
},
onLineChange(event) {
this.triggerEvent('line-change', Object.assign({}, event.detail));
},
onKeyboardHeightChange(e) {
this.triggerEvent('keyboardheightchange', e.detail);
},
};
}
};
Textarea = __decorate([
wxComponent()
], Textarea);
export default Textarea;