index.vue
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<template>
<uni-shadow-root class="vant-dist-swipe-cell-index"><view class="van-swipe-cell custom-class" data-key="cell" @click.stop.prevent="onClick" @touchstart="startDrag" @touchmove.stop.prevent="_$self[(catchMove ? 'noop' : '')||'_$noop']($event)" @touchmove.capture="onDrag" @touchend="endDrag" @touchcancel="endDrag">
<view :style="wrapperStyle">
<view v-if="leftWidth" class="van-swipe-cell__left" data-key="left" @click.stop.prevent="onClick">
<slot name="left"></slot>
</view>
<slot></slot>
<view v-if="rightWidth" class="van-swipe-cell__right" data-key="right" @click.stop.prevent="onClick">
<slot name="right"></slot>
</view>
</view>
</view></uni-shadow-root>
</template>
<script>
global['__wxRoute'] = 'vant/dist/swipe-cell/index'
import { VantComponent } from '../common/component';
import { touch } from '../mixins/touch';
import { range } from '../common/utils';
const THRESHOLD = 0.3;
let ARRAY = [];
VantComponent({
props: {
disabled: Boolean,
leftWidth: {
type: Number,
value: 0,
observer(leftWidth = 0) {
if (this.offset > 0) {
this.swipeMove(leftWidth);
}
},
},
rightWidth: {
type: Number,
value: 0,
observer(rightWidth = 0) {
if (this.offset < 0) {
this.swipeMove(-rightWidth);
}
},
},
asyncClose: Boolean,
name: {
type: [Number, String],
value: '',
},
},
mixins: [touch],
data: {
catchMove: false,
wrapperStyle: '',
},
created() {
this.offset = 0;
ARRAY.push(this);
},
destroyed() {
ARRAY = ARRAY.filter((item) => item !== this);
},
methods: {
open(position) {
const { leftWidth, rightWidth } = this.data;
const offset = position === 'left' ? leftWidth : -rightWidth;
this.swipeMove(offset);
this.$emit('open', {
position,
name: this.data.name,
});
},
close() {
this.swipeMove(0);
},
swipeMove(offset = 0) {
this.offset = range(offset, -this.data.rightWidth, this.data.leftWidth);
const transform = `translate3d(${this.offset}px, 0, 0)`;
const transition = this.dragging
? 'none'
: 'transform .6s cubic-bezier(0.18, 0.89, 0.32, 1)';
this.setData({
wrapperStyle: `
-webkit-transform: ${transform};
-webkit-transition: ${transition};
transform: ${transform};
transition: ${transition};
`,
});
},
swipeLeaveTransition() {
const { leftWidth, rightWidth } = this.data;
const { offset } = this;
if (rightWidth > 0 && -offset > rightWidth * THRESHOLD) {
this.open('right');
} else if (leftWidth > 0 && offset > leftWidth * THRESHOLD) {
this.open('left');
} else {
this.swipeMove(0);
}
this.setData({ catchMove: false });
},
startDrag(event) {
if (this.data.disabled) {
return;
}
this.startOffset = this.offset;
this.touchStart(event);
},
noop() {},
onDrag(event) {
if (this.data.disabled) {
return;
}
this.touchMove(event);
if (this.direction !== 'horizontal') {
return;
}
this.dragging = true;
ARRAY.filter((item) => item !== this).forEach((item) => item.close());
this.setData({ catchMove: true });
this.swipeMove(this.startOffset + this.deltaX);
},
endDrag() {
if (this.data.disabled) {
return;
}
this.dragging = false;
this.swipeLeaveTransition();
},
onClick(event) {
const { key: position = 'outside' } = event.currentTarget.dataset;
this.$emit('click', position);
if (!this.offset) {
return;
}
if (this.data.asyncClose) {
this.$emit('close', {
position,
instance: this,
name: this.data.name,
});
} else {
this.swipeMove(0);
}
},
},
});
export default global['__wxComponents']['vant/dist/swipe-cell/index']
</script>
<style platform="mp-weixin">
@import '../common/index.css';.van-swipe-cell{position:relative;overflow:hidden}.van-swipe-cell__left,.van-swipe-cell__right{position:absolute;top:0;height:100%}.van-swipe-cell__left{left:0;-webkit-transform:translate3d(-100%,0,0);transform:translate3d(-100%,0,0)}.van-swipe-cell__right{right:0;-webkit-transform:translate3d(100%,0,0);transform:translate3d(100%,0,0)}
</style>