appApplet/components/shopping-carts/cart-slide.vue

268 lines
6.7 KiB
Vue
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<template>
<view>
<view>
<view class="slide-box" v-for="(item, index) in listData" :key="index">
<view class="slide-list"
@touchstart="touchStart($event, index)"
@touchend="touchEnd($event, index)"
@touchmove="touchMove($event, index)"
@tap="recover(index)"
:style="{ transform: 'translate3d(' + item.slide_x + 'px, 0, 0)' }">
<view class="now-message-info" :style="{ width: windowWidth + 'px' }" @click="clickItemMethod(item)">
<view class="mo-item flexs"></view>
<view class="shopp-img imgH mar-zy20">
<image class="shopp-img imgH width100" :src="item.image" mode="aspectFill"></image>
</view>
<view class="imgH disjb fc fon24 pad-y20">
<view class="">
<view class="fon36 colb">标题</view>
<view class="clips2">描述描述描述描述描述描述描述描述描述描述描述描述描述描述描述描述描述描述描述描述描述描述描述描述描述描述描述描述描述描述描述描述</view>
</view>
<view class="col3">{{ item.rightDetail }}</view>
</view>
</view>
<view class="group-btn">
<view class="btn-div" v-for="(value, key) in button" :key="key"
@click="clickMethod(item, value, index)" :style="{background: value.background}">
{{value.title}}
</view>
</view>
<view style="clear:both"></view>
</view>
<view class="list-item-border" v-if="border"></view>
</view>
</view>
</view>
</template>
<script>
/**
* m-slide-list 滑动操作列表
* @description 滑动操作列表组件
* @tutorial https://ext.dcloud.net.cn/plugin?id=209
* @property {Array} list 数据源格式为[{title: 'xxx', image:'xxx', surname: 'xxx',detail:'xxx', rightDetail: 'xxx', slide_x: 0},{title: 'xxx', image:'xxx', surname: 'xxx',detail:'xxx', rightDetail: 'xxx', slide_x: 0}]
* @property {Array} button 按钮数据源格式为[{title: 'xxx', background:'xxx'},{title: 'xxx', background:'xxx'}]
* @property {Boolean} border 边框
*/
export default {
name: 'mark-slide-list',
props: {
list: { //数据list
type: Array,
default () {
return [];
}
},
button: { //按钮数据list
type: Array,
default () {
return [];
}
},
border: { //边框
type: Boolean,
default: false
}
},
computed: {
windowWidth() {
return uni.getSystemInfoSync().windowWidth;
}
},
data() {
return {
listData: [],
start_slide_x: 0,
btnWidth: 0,
startX: 0,
LastX: 0,
startTime: 0,
itemIndex: 0
};
},
mounted() {
this.listData = this.clone(this.list)
},
watch: {
list: {
handler: function(val, oldval) {
this.listData = this.clone(this.list)
},
deep: true
}
},
methods: {
clone(data) {
const type = typeof data
let obj;
if (type === 'array') {
obj = [];
} else if (type === 'object') {
obj = {};
} else {
// 不再具有下一层次
return data;
}
if (type === 'array') {
for (let i = 0, len = data.length; i < len; i++) {
obj.push(this.clone(data[i]));
}
} else if (type === 'object') {
// 对原型上的方法也拷贝了....
for (const key in data) {
obj[key] = this.clone(data[key]);
}
}
return obj;
},
// 滑动开始
touchStart(e, index) {
if (this.itemIndex == index) {
this.itemIndex = index
}
//记录手指放上去的时间
this.startTime = e.timeStamp;
//记录滑块的初始位置
this.start_slide_x = this.listData[index].slide_x;
// 按钮宽度
//#ifdef MP-WEIXIN
uni.createSelectorQuery().in(this).selectAll('.group-btn').boundingClientRect(res => {
if (res != null) {
this.btnWidth = res[index].width * -1;
}
}).exec();
//#endif
//#ifdef H5 || APP-PLUS
uni.createSelectorQuery()
.selectAll('.group-btn')
.boundingClientRect()
.exec(res => {
if (res[0] != null) {
this.btnWidth = res[0][index].width * -1;
}
});
//#endif
// 记录上一次开始时手指所处位置
this.startX = e.touches[0].pageX;
// 记录上一次手指位置
this.lastX = this.startX;
//初始化非当前滑动消息列的位置
for (var i in this.listData) {
if (index != i) {
this.listData[i].slide_x = 0;
}
}
},
// 滑动中
touchMove(e, index) {
const endX = e.touches[0].pageX;
const distance = endX - this.lastX;
// 预测滑块所处位置
const duang = this.listData[index].slide_x + distance;
// 如果在可行区域内
if (duang <= 0 && duang >= this.btnWidth) {
this.listData[index].slide_x = duang;
}
// 此处手指所处位置将成为下次手指移动时的上一次位置
this.lastX = endX;
},
// 滑动结束
touchEnd(e, index) {
let distance = 10;
const endTime = e.timeStamp;
const x_end_distance = this.startX - this.lastX;
if (Math.abs(endTime - this.startTime) > 200) {
distance = this.btnWidth / -2;
}
// 判断手指最终位置与手指开始位置的位置差距
if (x_end_distance > distance) {
this.listData[index].slide_x = this.btnWidth;
} else if (x_end_distance < distance * -1) {
this.listData[index].slide_x = 0;
} else {
this.listData[index].slide_x = this.start_slide_x;
}
},
// 点击回复原状
recover(index) {
this.listData[index].slide_x = 0;
},
/**
* 点击按钮触发事件
* @param {Object} item 列表数据
* @param {Object} buttonItem 按钮数据
* @param {Object} index 列表数据key
*/
clickMethod(item, buttonItem, index) {
this.$emit("change", item, buttonItem, index)
},
/**
* 点击按钮触发事件
* @param {Object} item 列表数据
*/
clickItemMethod(item) {
this.$emit("click", item)
}
}
};
</script>
<style>
.slide-box {
width: 100%;
overflow: hidden;
}
.list-item-border {
width: 100%;
border-bottom: 1px solid #f2f2f2;
}
.slide-list {
transition: all 100ms;
transition-timing-function: ease-out;
min-width: 200%;
}
.now-message-info {
position: relative;
box-sizing: border-box;
display: flex;
align-items: center;
clear: both;
padding: 20rpx;
background: #ffffff;
float: left;
}
.imgH{height: 180rpx;}
.shopp-img{width: 180rpx;border-radius: 10rpx;}
.group-btn {
float: left;
display: flex;
flex-direction: row;
height: 220rpx;
min-width: 100rpx;
align-items: center;
}
.btn-div {
height: 220rpx;
color: #fff;
text-align: center;
padding: 0 50rpx;
font-size: 34rpx;
line-height: 220rpx;
}
.top {
background-color: #c4c7cd;
}
.removeM {
background-color: #ff3b32;
}
</style>