Jpsoft-KPI-frond-end/components/uni-id-combox/uni-id-combox.vue

<template>
	<view class="uni-id-combox">
		<!--<view v-if="label" class="uni-id-combox__label" :style="labelStyle">
			<text>{{label}}</text>
		</view>-->
		<view class="uni-id-combox__input-box">
			<label class="uni-id-combox__input" @click="toggleSelector">{{inputVal}}</label>
<!--			<input class="uni-id-combox__input" type="text" disabled="true"   :placeholder="placeholder" v-model="inputVal" @input="onInput"/>-->
<!--			 @focus="onFocus" @blur="onBlur" />-->
			 <label class="iconfont icon-triangle-down " style="color: grey;" @click="toggleSelector"></label>
<!--			<uni-icons class="uni-id-combox__input-arrow" type="arrowdown" size="14" @click="toggleSelector"></uni-icons>-->
			<view class="uni-id-combox__selector" v-if="showSelector">
				<scroll-view scroll-y="true" class="uni-id-combox__selector-scroll">

					<view class="uni-id-combox__selector-empty" v-if="filterCandidatesLength === 0">
						<label>{{emptyTips}}</label>
					</view>
<!--					<view class="uni-id-combox__selector-item" v-for="(item,index) in filterCandidates" :key="index" @click="onSelectorClick(index)">-->
					<view class="uni-id-combox__selector-item" v-for="(item,index) in candidates" :key="index" @click="onSelectorClick(index)">
						<label>{{item.value}}</label>
<!--						<text>{{item.value}}</text>-->
					</view>
				</scroll-view>
			</view>
		</view>
	</view>
</template>

<script>
	/**
	 * Combox 组合输入框
	 * @description 组合输入框一般用于既可以输入也可以选择的场景
	 * @tutorial https://ext.dcloud.net.cn/plugin?id=1261
	 * @property {String} label 左侧文字
	 * @property {String} labelWidth 左侧内容宽度
	 * @property {String} placeholder 输入框占位符
	 * @property {Array} candidates 候选项列表
	 * @property {String} emptyTips 筛选结果为空时显示的文字
	 * @property {String} value 组合框的值
	 */
	export default {
		name: 'uniIdCombox',
		emits:['input','update:modelValue'],
		props: {
			label: {
				type: String,
				default: ''
			},
			labelWidth: {
				type: String,
				default: 'auto'
			},
			placeholder: {
				type: String,
				default: ''
			},
			candidates: {
				type: Array,
				default () {
					return []
				}
			},
			emptyTips: {
				type: String,
				default: '无匹配项'
			},
			// #ifndef VUE3
			value: {
				type: [String, Number],
				default: ''
			},
			// #endif
			// #ifdef VUE3
			modelValue: {
				type: [String, Number],
				default: ''
			},
			// #endif
		},
		data() {
			return {
				showSelector: false,
				inputVal: '',
				id:'',
			}
		},
		computed: {
			labelStyle() {
				if (this.labelWidth === 'auto') {
					return {}
				}
				return {
					width: this.labelWidth
				}
			},
			filterCandidates() {
				return this.candidates.filter((item) => {
					let ret = item.value.toString().indexOf(this.inputVal) > -1;
					//console.log('value:' +item.value + ' ret:' + ret);
					return ret
				})
			},
			filterCandidatesLength() {
				return this.filterCandidates.length
			}
		},
		watch: {
			// #ifndef VUE3
			value: {
				handler(newVal) {
					this.inputVal = newVal
				},
				immediate: true
			},
			// #endif
			// #ifdef VUE3
			modelValue: {
				handler(newVal) {
					this.inputVal = newVal
				},
				immediate: true
			},
			// #endif
		},
		methods: {
			toggleSelector() {
				this.showSelector = !this.showSelector
			},
			onFocus() {
				this.showSelector = true
			},
			onBlur() {
				setTimeout(() => {
					this.showSelector = false
				}, 153)
			},
			onSelectorClick(index) {
				this.inputVal = this.candidates[index].value;
				this.id = this.candidates[index].id;
				//this.filterCandidates[index].value
				this.showSelector = false
				this.$emit('input', this.inputVal)
				this.$emit('update:modelValue', {id:this.id,value:this.inputVal})
			},
			onInput() {
				
				setTimeout(() => {
					this.$emit('input', this.inputVal)
					this.$emit('update:modelValue', this.inputVal)
				})
			}
		}
	}
</script>

<style lang="scss" scoped>
	@import url("/static/font/iconfont.css");
	.uni-id-combox {
		///* #ifndef APP-NVUE */
		display: flex;
		///* #endif */
		height: 80rpx;
		flex-direction: row;
		align-items: center;
		// border-bottom: solid 1px #DDDDDD;
	}

	.uni-id-combox__label {
		font-size: 32rpx;
		line-height: 44rpx;
		padding-right: 20rpx;
		color: #999999;
	}

	.uni-id-combox__input-box {
		position: relative;
		///* #ifndef APP-NVUE */
		display: flex;
		////* #endif */
		//flex: 1;
		flex-direction: row;
		align-items: center;
		justify-content: center;
		width:100%
		//background-color: #007AFF;
	}

	.uni-id-combox__input {
		//flex: 1;		
		font-size: 32rpx;
		height: 44rpx;
		line-height: 44rpx;
		//justify-content: flex-end;
	}

	.uni-id-combox__input-arrow {
		padding: 10rpx;
	}

	.uni-id-combox__selector {
		///* #ifndef APP-NVUE */
		box-sizing: border-box;
		///* #endif */
		position: absolute;
		top: 42rpx;
		left: 0;
		width: 100%;
		background-color: #FFFFFF;
		border-radius: 6rpx;
		box-shadow: #DDDDDD 4rpx 4rpx 8rpx, #DDDDDD -4rpx -4rpx 8rpx;
		z-index: 2;
	}

	.uni-id-combox__selector-scroll {
		///* #ifndef APP-NVUE */
		max-height: 800rpx;
		box-sizing: border-box;
		///* #endif */
	}

	.uni-id-combox__selector::before {
		///* #ifndef APP-NVUE */
		content: '';
		///* #endif */
		position: absolute;
		width: 0;
		height: 0;
		border-bottom: solid 6rpx #FFFFFF;
		border-right: solid 6rpx transparent;
		border-left: solid 6rpx transparent;
		left: 50%;
		top: -6rpx;
		margin-left: -6rpx;
	}

	.uni-id-combox__selector-empty,
	.uni-id-combox__selector-item {
		///* #ifndef APP-NVUE */
		display: flex;
		cursor: pointer;
		///* #endif */
		line-height: 72rpx;
		font-size: 28rpx;
		text-align: center;
		border-bottom: solid 1rpx #DDDDDD;
		margin: 0px 20rpx; 
		justify-content: center;
	}

	.uni-id-combox__selector-empty:last-child,
	.uni-id-combox__selector-item:last-child {
		///* #ifndef APP-NVUE */
		border-bottom: none;
		///* #endif */
	}
</style>