image preview

This commit is contained in:
cookfront
2017-03-15 20:56:37 +08:00
parent bf710d1261
commit 0bf7852f0b
8 changed files with 68 additions and 50 deletions

View File

@@ -12,13 +12,13 @@ const initInstance = () => {
});
};
var ImagePreviewBox = image => {
var ImagePreviewBox = images => {
if (!instance) {
initInstance();
}
if (!instance.value) {
instance.image = image;
instance.images = images;
document.body.appendChild(instance.$el);

View File

@@ -1,22 +1,32 @@
<template>
<transition name="image-fade">
<div class="zan-image-preview" ref="previewContainer" v-show="value" @click="handlePreviewClick">
<img class="zan-image-preview__image" :src="image" alt="" :class="{
'zan-image-preview__image--center': true,
'zan-image-preview__image--top': imageIsLargeView
}">
<zan-swipe>
<zan-swipe-item v-for="item in images">
<img class="zan-image-preview__image" :src="item" alt="" :class="{
'zan-image-preview__image--center': true
}">
</zan-swipe-item>
</zan-swipe>
</div>
</transition>
</template>
<script>
import Popup from 'src/mixins/popup';
import ZanSwipe from 'packages/swipe';
import ZanSwipeItem from 'packages/swipe-item';
export default {
name: 'zan-image-preview',
mixins: [Popup],
components: {
ZanSwipe,
ZanSwipeItem
},
props: {
overlay: {
default: true
@@ -33,7 +43,7 @@ export default {
data() {
return {
image: '',
images: [],
viewportSize: null
};
},
@@ -42,36 +52,6 @@ export default {
handlePreviewClick() {
this.value = false;
},
/**
* 图片样式计算
* 根据屏幕自适应显示最长边
*/
computeImageStyle() {
// const previewSize = this.$refs.previewContainer.getBoundingClientRect();
// const img = new Image();
// const _this = this;
// img.onload = function() {
// const imgRatio = parseFloat(this.width / this.height);
// const previewRatio = parseFloat(previewSize.width / previewSize.height);
// if (previewRatio <= imgRatio) {
// const top = (previewSize.height - parseInt(previewSize.width / imgRatio, 10)) / 2;
// _this.imageStyle = {
// width: '100%',
// height: 'auto',
// top: top + 'px'
// };
// } else if (previewRatio > imgRatio) {
// _this.imageStyle = {
// width: 'auto',
// height: '100%'
// };
// }
// };
// img.src = this.image;
},
close() {
if (this.closing) return;