mirror of
https://gitee.com/vant-contrib/vant.git
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6c37a6906f
* [bugfix] CouponList always show empty info * [bugfix] add click feedback of buttons in components * [Doc] add custom theme document * [new feature] Notice bar support more props * [bugfix] PullRefresh test cases * [bugfix] unused NoticeBar style * [bugfix] Swipe width calc error * [Doc] english document of all action components * [Doc] change document site path to /zanui/vant * [Doc] fix * [bugfix] uploader style error * [bugfix] tabs document demo * [new feature] Cell support vue-router target route * [bugfix] add cell test cases * update yarn.lock * [bugfix] Tabbar cann't display info when use icon slot * [Doc] update document title * [bugfix] Dialog should reset button text when showed * [new feature] CouponList add showCloseButton prop * [new feature] Swipe add 'initialSwipe' prop * [bugfix] NoticeBar text disappeared when page back * [new feature] ImagePreview support startPosition * fix: improve imagePreview test cases
78 lines
1.6 KiB
Vue
78 lines
1.6 KiB
Vue
<template>
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<div
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v-show="value"
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class="van-image-preview"
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@touchstart="onTouchStart"
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@touchmove="onTouchMove"
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@touchend="onTouchEnd"
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@touchcancel="onTouchEnd"
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>
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<van-swipe :initialSwipe="startPosition">
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<van-swipe-item v-for="(item, index) in images" :key="index">
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<img class="van-image-preview__image" :src="item" >
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</van-swipe-item>
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</van-swipe>
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</div>
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</template>
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<script>
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import Popup from '../mixins/popup';
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import Swipe from '../swipe';
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import SwipeItem from '../swipe-item';
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export default {
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name: 'van-image-preview',
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mixins: [Popup],
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components: {
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[Swipe.name]: Swipe,
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[SwipeItem.name]: SwipeItem
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},
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props: {
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overlay: {
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default: true
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},
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lockOnScroll: {
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default: true
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},
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closeOnClickOverlay: {
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default: true
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}
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},
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data() {
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return {
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images: [],
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startPosition: 0
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};
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},
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methods: {
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onTouchStart(event) {
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this.touchStartTime = new Date();
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this.touchStartX = event.touches[0].clientX;
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this.touchStartY = event.touches[0].clientY;
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this.deltaX = 0;
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this.deltaY = 0;
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},
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onTouchMove(event) {
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event.preventDefault();
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this.deltaX = event.touches[0].clientX - this.touchStartX;
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this.deltaY = event.touches[0].clientY - this.touchStartY;
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},
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onTouchEnd(event) {
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event.preventDefault();
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// prevent long tap to close component
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const deltaTime = new Date() - this.touchStartTime;
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if (deltaTime < 100 && Math.abs(this.deltaX) < 20 && Math.abs(this.deltaY) < 20) {
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this.value = false;
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}
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}
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}
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};
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</script>
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