mp_exhibitor_miniprog/wxcomponents/vant/field/index.vue

<template>
<uni-shadow-root class="vant-field-index"><van-cell :size="size" :icon="leftIcon" :center="center" :border="border" :is-link="isLink" :required="required" :clickable="clickable" :title-width="titleWidth" title-style="margin-right: 12px;" :custom-style="customStyle" :arrow-direction="arrowDirection" custom-class="custom-class van-field">
  <slot name="left-icon" slot="icon"></slot>
  <label :for="name" v-if="label" :class="'label-class '+(utils.bem('field__label', { disabled }))" slot="title">
    {{ label }}
  </label>
  <slot v-else name="label" slot="title"></slot>
  <view :class="utils.bem('field__body', [type])">
    <view :class="utils.bem('field__control', [inputAlign, 'custom'])" @click="onClickInput">
      <slot name="input"></slot>
    </view>
    <include v-if="type === 'textarea'" src="./textarea.wxml"></include>
    <include v-else src="./input.wxml"></include>

    <van-icon v-if="showClear" :name="clearIcon" class="van-field__clear-root van-field__icon-root" @touchstart.native.stop.prevent="onClear"></van-icon>
    <view class="van-field__icon-container" @click="onClickIcon">
      <van-icon v-if="rightIcon || icon" :name="rightIcon || icon" :class="'van-field__icon-root '+(iconClass)" custom-class="right-icon-class"></van-icon>
      <slot name="right-icon"></slot>
      <slot name="icon"></slot>
    </view>
    <view class="van-field__button">
      <slot name="button"></slot>
    </view>
  </view>
  <label :for="name" v-if="showWordLimit && maxlength" class="van-field__word-limit">
    <view :class="utils.bem('field__word-num', { full: value.length >= maxlength })">{{ value.length >= maxlength ? maxlength : value.length }}</view>/{{ maxlength }}
  </label>
  <label :for="name" v-if="errorMessage" :class="utils.bem('field__error-message', [errorMessageAlign, { disabled, error }])">
    {{ errorMessage }}
  </label>
</van-cell></uni-shadow-root>
</template>
<wxs src="../wxs/utils.wxs" module="utils"></wxs><wxs src="./index.wxs" module="computed"></wxs>
<script>
import VanCell from '../cell/index.vue'
import VanIcon from '../icon/index.vue'
global['__wxVueOptions'] = {components:{'van-cell': VanCell,'van-icon': VanIcon}}

global['__wxRoute'] = 'vant/field/index'
import { nextTick } from '../common/utils';
import { VantComponent } from '../common/component';
import { commonProps, inputProps, textareaProps } from './props';
VantComponent({
    field: true,
    classes: ['input-class', 'right-icon-class', 'label-class'],
    props: Object.assign(Object.assign(Object.assign(Object.assign({}, commonProps), inputProps), textareaProps), { size: String, icon: String, label: String, error: Boolean, center: Boolean, isLink: Boolean, leftIcon: String, rightIcon: String, autosize: null, required: Boolean, iconClass: String, clickable: Boolean, inputAlign: String, customStyle: String, errorMessage: String, arrowDirection: String, showWordLimit: Boolean, errorMessageAlign: String, readonly: {
            type: Boolean,
            observer: 'setShowClear',
        }, clearable: {
            type: Boolean,
            observer: 'setShowClear',
        }, clearTrigger: {
            type: String,
            value: 'focus',
        }, border: {
            type: Boolean,
            value: true,
        }, titleWidth: {
            type: String,
            value: '6.2em',
        }, clearIcon: {
            type: String,
            value: 'clear',
        }, extraEventParams: {
            type: Boolean,
            value: false,
        } }),
    data: {
        focused: false,
        innerValue: '',
        showClear: false,
    },
    watch: {
        value(value) {
            if (value !== this.value) {
                this.setData({ innerValue: value });
                this.value = value;
                this.setShowClear();
            }
        },
        clearTrigger() {
            this.setShowClear();
        },
    },
    created() {
        this.value = this.data.value;
        this.setData({ innerValue: this.value });
    },
    methods: {
        formatValue(value) {
            const { maxlength } = this.data;
            if (maxlength !== -1 && value.length > maxlength) {
                return value.slice(0, maxlength);
            }
            return value;
        },
        onInput(event) {
            const { value = '' } = event.detail || {};
            const formatValue = this.formatValue(value);
            this.value = formatValue;
            this.setShowClear();
            return this.emitChange(Object.assign(Object.assign({}, event.detail), { value: formatValue }));
        },
        onFocus(event) {
            this.focused = true;
            this.setShowClear();
            this.$emit('focus', event.detail);
        },
        onBlur(event) {
            this.focused = false;
            this.setShowClear();
            this.$emit('blur', event.detail);
        },
        onClickIcon() {
            this.$emit('click-icon');
        },
        onClickInput(event) {
            this.$emit('click-input', event.detail);
        },
        onClear() {
            this.setData({ innerValue: '' });
            this.value = '';
            this.setShowClear();
            nextTick(() => {
                this.emitChange({ value: '' });
                this.$emit('clear', '');
            });
        },
        onConfirm(event) {
            const { value = '' } = event.detail || {};
            this.value = value;
            this.setShowClear();
            this.$emit('confirm', value);
        },
        setValue(value) {
            this.value = value;
            this.setShowClear();
            if (value === '') {
                this.setData({ innerValue: '' });
            }
            this.emitChange({ value });
        },
        onLineChange(event) {
            this.$emit('linechange', event.detail);
        },
        onKeyboardHeightChange(event) {
            this.$emit('keyboardheightchange', event.detail);
        },
        onBindNicknameReview(event) {
            this.$emit('nicknamereview', event.detail);
        },
        emitChange(detail) {
            const { extraEventParams } = this.data;
            this.setData({ value: detail.value });
            let result;
            const data = extraEventParams
                ? Object.assign(Object.assign({}, detail), { callback: (data) => {
                        result = data;
                    } }) : detail.value;
            this.$emit('input', data);
            this.$emit('change', data);
            return result;
        },
        setShowClear() {
            const { clearable, readonly, clearTrigger } = this.data;
            const { focused, value } = this;
            let showClear = false;
            if (clearable && !readonly) {
                const hasValue = !!value;
                const trigger = clearTrigger === 'always' || (clearTrigger === 'focus' && focused);
                showClear = hasValue && trigger;
            }
            this.setView({ showClear });
        },
        noop() { },
    },
});
export default global['__wxComponents']['vant/field/index']
</script>
<style platform="mp-weixin">
@import '../common/index.css';.van-field{--cell-icon-size:var(--field-icon-size,16px)}.van-field__label{color:var(--field-label-color,#646566)}.van-field__label--disabled{color:var(--field-disabled-text-color,#c8c9cc)}.van-field__body{align-items:center;display:flex}.van-field__body--textarea{box-sizing:border-box;line-height:1.2em;min-height:var(--cell-line-height,24px);padding:3.6px 0}.van-field__control:empty+.van-field__control{display:block}.van-field__control{background-color:initial;border:0;box-sizing:border-box;color:var(--field-input-text-color,#323233);display:none;height:var(--cell-line-height,24px);line-height:inherit;margin:0;min-height:var(--cell-line-height,24px);padding:0;position:relative;resize:none;text-align:left;width:100%}.van-field__control:empty{display:none}.van-field__control--textarea{height:var(--field-text-area-min-height,18px);min-height:var(--field-text-area-min-height,18px)}.van-field__control--error{color:var(--field-input-error-text-color,#ee0a24)}.van-field__control--disabled{background-color:initial;color:var(--field-input-disabled-text-color,#c8c9cc);opacity:1}.van-field__control--center{text-align:center}.van-field__control--right{text-align:right}.van-field__control--custom{align-items:center;display:flex;min-height:var(--cell-line-height,24px)}.van-field__placeholder{color:var(--field-placeholder-text-color,#c8c9cc);left:0;pointer-events:none;position:absolute;right:0;top:0}.van-field__placeholder--error{color:var(--field-error-message-color,#ee0a24)}.van-field__icon-root{align-items:center;display:flex;min-height:var(--cell-line-height,24px)}.van-field__clear-root,.van-field__icon-container{line-height:inherit;margin-right:calc(var(--padding-xs, 8px)*-1);padding:0 var(--padding-xs,8px);vertical-align:middle}.van-field__button,.van-field__clear-root,.van-field__icon-container{flex-shrink:0}.van-field__clear-root{color:var(--field-clear-icon-color,#c8c9cc);font-size:var(--field-clear-icon-size,16px)}.van-field__icon-container{color:var(--field-icon-container-color,#969799);font-size:var(--field-icon-size,16px)}.van-field__icon-container:empty{display:none}.van-field__button{padding-left:var(--padding-xs,8px)}.van-field__button:empty{display:none}.van-field__error-message{color:var(--field-error-message-color,#ee0a24);display:block;font-size:var(--field-error-message-text-font-size,12px);text-align:left}.van-field__error-message--center{text-align:center}.van-field__error-message--right{text-align:right}.van-field__word-limit{color:var(--field-word-limit-color,#646566);font-size:var(--field-word-limit-font-size,12px);line-height:var(--field-word-limit-line-height,16px);margin-top:var(--padding-base,4px);text-align:right}.van-field__word-num{display:inline}.van-field__word-num--full{color:var(--field-word-num-full-color,#ee0a24)}
</style>