579 lines
14 KiB
Vue
579 lines
14 KiB
Vue
<template>
|
||
<view class="con">
|
||
<movable-area class="area" :style="{ height: areaHeight ? areaHeight : imageHeight + 'rpx' }" @mouseenter="mouseenter" @mouseleave="mouseleave">
|
||
<block v-for="(item, index) in imageList" :key="item.id">
|
||
<movable-view
|
||
class="view"
|
||
:x="item.x"
|
||
:y="item.y"
|
||
direction="all"
|
||
:damping="40"
|
||
:disabled="item.disable"
|
||
@change="onChange($event, item)"
|
||
@touchstart="touchstart(item)"
|
||
@mousedown="touchstart(item)"
|
||
@touchend="touchend(item)"
|
||
@mouseup="touchend(item)"
|
||
:style="{ width: viewWidth + 'px', height: viewWidth + 'px', 'z-index': item.zIndex, opacity: item.opacity }"
|
||
>
|
||
<view class="area-con" :style="{ width: childWidth, height: childWidth, transform: 'scale(' + item.scale + ')' }">
|
||
<image class="pre-image" :src="$util.img(item.src)" mode="aspectFit"></image>
|
||
<view
|
||
class="del-con"
|
||
@click="delImage(item, index)"
|
||
@touchstart.stop="delImageMp(item, index)"
|
||
@touchend.stop="nothing()"
|
||
@mousedown.stop="nothing()"
|
||
@mouseup.stop="nothing()"
|
||
>
|
||
<view class="del-wrap iconfont iconclose"></view>
|
||
</view>
|
||
</view>
|
||
</movable-view>
|
||
</block>
|
||
<view class="add" v-if="imageList.length < number" :style="{ top: add.y, left: add.x, width: viewWidth + 'px', height: viewWidth + 'px' }" @click="addImages">
|
||
<view class="add-wrap iconfont iconadd1" :style="{ width: childWidth, height: childWidth }"></view>
|
||
</view>
|
||
</movable-area>
|
||
|
||
<!-- 选择图片 -->
|
||
<uni-popup ref="choosePicturePopup" type="bottom">
|
||
<view class="popup choose-picture" @touchmove.prevent.stop>
|
||
<view class="popup-body" :class="{ 'safe-area': isIphoneX }">
|
||
<view class="select-wrap">
|
||
<view class="item color-base-text" @click="goAlbum()">从相册图库选择</view>
|
||
<view class="item" @click="photograph()">手机拍照</view>
|
||
<view class="item" @click="selectPhonePhoto()">从手机相册选择</view>
|
||
</view>
|
||
<view class="item cancle" @click="closeChoosePicturePop()">取消</view>
|
||
</view>
|
||
</view>
|
||
</uni-popup>
|
||
</view>
|
||
</template>
|
||
|
||
<script>
|
||
export default {
|
||
data() {
|
||
return {
|
||
imageList: [],
|
||
width: 0,
|
||
add: {
|
||
x: 0,
|
||
y: 0
|
||
},
|
||
colsValue: 0,
|
||
viewWidth: 0,
|
||
tempItem: null,
|
||
timer: null,
|
||
changeStatus: true,
|
||
preStatus: true,
|
||
isIphoneX: false
|
||
};
|
||
},
|
||
props: {
|
||
// 返回排序后图片
|
||
list: {
|
||
type: Array,
|
||
default: function() {
|
||
return [];
|
||
}
|
||
},
|
||
// 选择图片数量限制
|
||
number: {
|
||
type: Number,
|
||
default: 6
|
||
},
|
||
// 选择图片的数组下标
|
||
index: {
|
||
type: Number,
|
||
default: 0
|
||
},
|
||
// 图片父容器宽度（实际显示的图片宽度为 imageWidth / 1.1 ），单位 rpx
|
||
imageWidth: {
|
||
type: Number,
|
||
default: 230
|
||
},
|
||
imageHeight: {
|
||
type: Number,
|
||
default: 230
|
||
},
|
||
// 图片列数（cols > 0 则 imageWidth 无效）
|
||
cols: {
|
||
type: Number,
|
||
default: 0
|
||
},
|
||
// 图片周围空白填充，单位 rpx
|
||
padding: {
|
||
type: Number,
|
||
default: 10
|
||
},
|
||
// 拖动图片时放大倍数 [0, ∞)
|
||
scale: {
|
||
type: Number,
|
||
default: 1.1
|
||
},
|
||
// 拖动图片时不透明度
|
||
opacity: {
|
||
type: Number,
|
||
default: 0.7
|
||
},
|
||
// 自定义添加（需配合 @aaddImage 事件使用）
|
||
custom: {
|
||
type: Boolean,
|
||
default: false
|
||
},
|
||
uploadMethod: {
|
||
type: String,
|
||
default: 'image'
|
||
},
|
||
// 开启选择图片方式
|
||
openSelectMode: {
|
||
type: Boolean,
|
||
default: false
|
||
},
|
||
// 是否需要等待数据
|
||
isAWait: {
|
||
type: Boolean,
|
||
default: false
|
||
}
|
||
},
|
||
computed: {
|
||
areaHeight() {
|
||
if (this.isAWait && this.colsValue == 0) return '';
|
||
var height = '';
|
||
if (this.imageList.length < this.number) {
|
||
height = Math.ceil((this.imageList.length + 1) / this.colsValue) * this.viewWidth;
|
||
} else {
|
||
height = Math.ceil(this.imageList.length / this.colsValue) * this.viewWidth;
|
||
}
|
||
if (height != 'Infinity') return height + 'px';
|
||
else return '';
|
||
},
|
||
childWidth() {
|
||
return this.viewWidth - this.rpx2px(this.padding) * 2 + 'px';
|
||
}
|
||
},
|
||
created() {
|
||
this.width = uni.getSystemInfoSync().windowWidth;
|
||
this.viewWidth = this.rpx2px(this.imageWidth);
|
||
this.isIphoneX = this.$util.uniappIsIPhoneX();
|
||
},
|
||
mounted() {
|
||
this.refresh();
|
||
},
|
||
methods: {
|
||
refresh() {
|
||
var flag = false;
|
||
var time = setInterval(() => {
|
||
if (this.isAWait && this.list.length == 0) return;
|
||
this.imageList = [];
|
||
const query = uni.createSelectorQuery().in(this);
|
||
query.select('.area').boundingClientRect(data => {
|
||
this.colsValue = Math.floor(data.width / this.viewWidth);
|
||
if (this.cols > 0) {
|
||
this.colsValue = this.cols;
|
||
this.viewWidth = data.width / this.cols;
|
||
}
|
||
});
|
||
query.exec();
|
||
if ((this.isAWait && this.colsValue > 0) || !this.isAWait) {
|
||
for (let item of this.list) {
|
||
this.addProperties(item);
|
||
}
|
||
}
|
||
if (this.areaHeight) {
|
||
flag = true;
|
||
if (flag) {
|
||
this.$emit('callback', { height: this.areaHeight, index: this.index, isLoad: true });
|
||
clearInterval(time);
|
||
}
|
||
}
|
||
}, 10);
|
||
},
|
||
onChange(e, item) {
|
||
if (!item) return;
|
||
item.oldX = e.detail.x;
|
||
item.oldY = e.detail.y;
|
||
if (e.detail.source === 'touch') {
|
||
if (item.moveEnd) {
|
||
item.offset = Math.sqrt(Math.pow(item.oldX - item.absX * this.viewWidth, 2) + Math.pow(item.oldY - item.absY * this.viewWidth, 2));
|
||
}
|
||
let x = Math.floor((e.detail.x + this.viewWidth / 2) / this.viewWidth);
|
||
if (x >= this.colsValue) return;
|
||
let y = Math.floor((e.detail.y + this.viewWidth / 2) / this.viewWidth);
|
||
let index = this.colsValue * y + x;
|
||
if (item.index != index && index < this.imageList.length) {
|
||
this.changeStatus = false;
|
||
for (let obj of this.imageList) {
|
||
if (item.index > index && obj.index >= index && obj.index < item.index) {
|
||
this.change(obj, 1);
|
||
} else if (item.index < index && obj.index <= index && obj.index > item.index) {
|
||
this.change(obj, -1);
|
||
} else if (obj.id != item.id) {
|
||
obj.offset = 0;
|
||
obj.x = obj.oldX;
|
||
obj.y = obj.oldY;
|
||
setTimeout(() => {
|
||
this.$nextTick(() => {
|
||
obj.x = obj.absX * this.viewWidth;
|
||
obj.y = obj.absY * this.viewWidth;
|
||
});
|
||
}, 0);
|
||
}
|
||
}
|
||
item.index = index;
|
||
item.absX = x;
|
||
item.absY = y;
|
||
this.sortList();
|
||
}
|
||
}
|
||
},
|
||
change(obj, i) {
|
||
obj.index += i;
|
||
obj.offset = 0;
|
||
obj.x = obj.oldX;
|
||
obj.y = obj.oldY;
|
||
obj.absX = obj.index % this.colsValue;
|
||
obj.absY = Math.floor(obj.index / this.colsValue);
|
||
setTimeout(() => {
|
||
this.$nextTick(() => {
|
||
obj.x = obj.absX * this.viewWidth;
|
||
obj.y = obj.absY * this.viewWidth;
|
||
});
|
||
}, 0);
|
||
},
|
||
touchstart(item) {
|
||
this.imageList.forEach(v => {
|
||
v.zIndex = v.index + 9;
|
||
});
|
||
item.zIndex = 99;
|
||
item.moveEnd = true;
|
||
this.tempItem = item;
|
||
this.timer = setTimeout(() => {
|
||
item.scale = this.scale;
|
||
item.opacity = this.opacity;
|
||
clearTimeout(this.timer);
|
||
this.timer = null;
|
||
}, 200);
|
||
},
|
||
touchend(item) {
|
||
this.previewImage(item);
|
||
item.scale = 1;
|
||
item.opacity = 1;
|
||
item.x = item.oldX;
|
||
item.y = item.oldY;
|
||
item.offset = 0;
|
||
item.moveEnd = false;
|
||
setTimeout(() => {
|
||
this.$nextTick(() => {
|
||
item.x = item.absX * this.viewWidth;
|
||
item.y = item.absY * this.viewWidth;
|
||
this.tempItem = null;
|
||
this.changeStatus = true;
|
||
});
|
||
}, 0);
|
||
},
|
||
previewImage(item) {
|
||
if (this.timer && this.preStatus && this.changeStatus && item.offset < 28.28) {
|
||
clearTimeout(this.timer);
|
||
this.timer = null;
|
||
this.list.forEach((item, i) => {
|
||
this.list[i] = this.$util.img(item);
|
||
});
|
||
let src = this.list.findIndex(v => v === item.src);
|
||
uni.previewImage({
|
||
urls: this.list,
|
||
current: src,
|
||
success: () => {
|
||
this.preStatus = false;
|
||
setTimeout(() => {
|
||
this.preStatus = true;
|
||
}, 600);
|
||
}
|
||
});
|
||
} else if (this.timer) {
|
||
clearTimeout(this.timer);
|
||
this.timer = null;
|
||
}
|
||
},
|
||
mouseenter() {
|
||
//#ifdef H5
|
||
this.imageList.forEach(v => {
|
||
v.disable = false;
|
||
});
|
||
//#endif
|
||
},
|
||
mouseleave() {
|
||
//#ifdef H5
|
||
if (this.tempItem) {
|
||
this.imageList.forEach(v => {
|
||
v.disable = true;
|
||
v.zIndex = v.index + 9;
|
||
v.offset = 0;
|
||
v.moveEnd = false;
|
||
if (v.id == this.tempItem.id) {
|
||
if (this.timer) {
|
||
clearTimeout(this.timer);
|
||
this.timer = null;
|
||
}
|
||
v.scale = 1;
|
||
v.opacity = 1;
|
||
v.x = v.oldX;
|
||
v.y = v.oldY;
|
||
this.$nextTick(() => {
|
||
v.x = v.absX * this.viewWidth;
|
||
v.y = v.absY * this.viewWidth;
|
||
this.tempItem = null;
|
||
});
|
||
}
|
||
});
|
||
this.changeStatus = true;
|
||
}
|
||
//#endif
|
||
},
|
||
addImages() {
|
||
if (this.custom) {
|
||
this.$emit('addImage');
|
||
} else if (this.openSelectMode) {
|
||
this.openChoosePicturePop();
|
||
} else {
|
||
this.selectPhonePhoto(['album', 'camera']);
|
||
}
|
||
},
|
||
// 选择图片
|
||
openChoosePicturePop() {
|
||
this.$refs.choosePicturePopup.open();
|
||
},
|
||
closeChoosePicturePop() {
|
||
this.$refs.choosePicturePopup.close();
|
||
},
|
||
// 从相册图库选择
|
||
goAlbum() {
|
||
this.closeChoosePicturePop();
|
||
// this.number - this.imageList.length
|
||
var temp = {
|
||
list: this.list.toString(),
|
||
index: this.index
|
||
};
|
||
uni.setStorageSync('selectedAlbumImgTemp', JSON.stringify(temp));
|
||
this.$util.redirectTo('/pages/goods/album', { number: this.number });
|
||
},
|
||
// 手机拍照
|
||
photograph() {
|
||
this.closeChoosePicturePop();
|
||
let checkNumber = this.number - this.imageList.length;
|
||
this.$util.upload(
|
||
{
|
||
number: checkNumber,
|
||
path: this.uploadMethod,
|
||
sourceType: ['camera']
|
||
},
|
||
res => {
|
||
for (var i = 0; i < res.length; i++) {
|
||
this.addProperties(res[i]);
|
||
}
|
||
this.$emit('callback', { height: this.areaHeight, index: this.index });
|
||
}
|
||
);
|
||
},
|
||
// 从手机相册选择
|
||
selectPhonePhoto(sourceType) {
|
||
sourceType = sourceType || ['album'];
|
||
this.closeChoosePicturePop();
|
||
let checkNumber = this.number - this.imageList.length;
|
||
this.$util.upload(
|
||
{
|
||
number: checkNumber,
|
||
path: this.uploadMethod,
|
||
sourceType: sourceType
|
||
},
|
||
res => {
|
||
for (var i = 0; i < res.length; i++) {
|
||
this.addProperties(res[i]);
|
||
}
|
||
var time = setInterval(() => {
|
||
if (this.areaHeight) {
|
||
this.$emit('callback', { height: this.areaHeight, index: this.index });
|
||
clearInterval(time);
|
||
}
|
||
}, 10);
|
||
}
|
||
);
|
||
},
|
||
addImage(image) {
|
||
this.addProperties(image);
|
||
},
|
||
delImage(item, index) {
|
||
this.imageList.splice(index, 1);
|
||
for (let obj of this.imageList) {
|
||
if (obj.index > item.index) {
|
||
obj.index -= 1;
|
||
obj.x = obj.oldX;
|
||
obj.y = obj.oldY;
|
||
obj.absX = obj.index % this.colsValue;
|
||
obj.absY = Math.floor(obj.index / this.colsValue);
|
||
this.$nextTick(() => {
|
||
obj.x = obj.absX * this.viewWidth;
|
||
obj.y = obj.absY * this.viewWidth;
|
||
});
|
||
}
|
||
}
|
||
this.add.x = (this.imageList.length % this.colsValue) * this.viewWidth + 'px';
|
||
this.add.y = Math.floor(this.imageList.length / this.colsValue) * this.viewWidth + 'px';
|
||
this.$emit('callback', { height: this.areaHeight, index: this.index });
|
||
this.sortList();
|
||
},
|
||
delImageMp(item, index) {
|
||
//#ifdef MP
|
||
this.delImage(item, index);
|
||
//#endif
|
||
},
|
||
sortList() {
|
||
let list = this.imageList.slice();
|
||
list.sort((a, b) => {
|
||
return a.index - b.index;
|
||
});
|
||
for (let i = 0; i < list.length; i++) {
|
||
list[i] = list[i].src;
|
||
}
|
||
this.$emit('update:list', list);
|
||
},
|
||
addProperties(item) {
|
||
let absX = this.imageList.length % this.colsValue;
|
||
let absY = Math.floor(this.imageList.length / this.colsValue);
|
||
let x = absX * this.viewWidth;
|
||
let y = absY * this.viewWidth;
|
||
this.imageList.push({
|
||
src: item,
|
||
x,
|
||
y,
|
||
oldX: x,
|
||
oldY: y,
|
||
absX,
|
||
absY,
|
||
scale: 1,
|
||
zIndex: 9,
|
||
opacity: 1,
|
||
index: this.imageList.length,
|
||
id: this.guid(),
|
||
disable: false,
|
||
offset: 0,
|
||
moveEnd: false
|
||
});
|
||
this.add.x = (this.imageList.length % this.colsValue) * this.viewWidth + 'px';
|
||
this.add.y = Math.floor(this.imageList.length / this.colsValue) * this.viewWidth + 'px';
|
||
this.sortList();
|
||
},
|
||
nothing() {},
|
||
rpx2px(v) {
|
||
return (this.width * v) / 750;
|
||
},
|
||
guid() {
|
||
function S4() {
|
||
return (((1 + Math.random()) * 0x10000) | 0).toString(16).substring(1);
|
||
}
|
||
return S4() + S4() + '-' + S4() + '-' + S4() + '-' + S4() + '-' + S4() + S4() + S4();
|
||
}
|
||
}
|
||
};
|
||
</script>
|
||
|
||
<style lang="scss" scoped>
|
||
.con {
|
||
// padding: 30rpx;
|
||
.area {
|
||
width: 100%;
|
||
.view {
|
||
display: flex;
|
||
justify-content: center;
|
||
align-items: center;
|
||
.area-con {
|
||
position: relative;
|
||
.pre-image {
|
||
width: 100%;
|
||
height: 100%;
|
||
}
|
||
.del-con {
|
||
position: absolute;
|
||
top: -14rpx;
|
||
right: -14rpx;
|
||
.del-wrap {
|
||
width: 32rpx;
|
||
height: 32rpx;
|
||
background-color: rgba(0, 0, 0, 0.5);
|
||
border-radius: 50%;
|
||
display: flex;
|
||
justify-content: center;
|
||
align-items: center;
|
||
font-size: $font-size-tag;
|
||
color: #fff;
|
||
font-weight: bold;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
.add {
|
||
position: absolute;
|
||
display: flex;
|
||
justify-content: center;
|
||
align-items: center;
|
||
.add-wrap {
|
||
display: flex;
|
||
justify-content: center;
|
||
align-items: center;
|
||
border: 1px dashed $color-disabled;
|
||
width: 140rpx;
|
||
height: 140rpx;
|
||
line-height: 140rpx;
|
||
text-align: center;
|
||
color: $color-tip;
|
||
font-weight: bold;
|
||
font-size: 40rpx;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
.popup {
|
||
width: 100vw;
|
||
background: #fff;
|
||
border-top-left-radius: 24rpx;
|
||
border-top-right-radius: 24rpx;
|
||
|
||
.popup-body {
|
||
height: calc(100% - 250rpx);
|
||
&.safe-area {
|
||
height: calc(100% - 270rpx);
|
||
}
|
||
}
|
||
&.choose-picture {
|
||
background-color: $color-bg;
|
||
.popup-header {
|
||
border-bottom: none;
|
||
background-color: #fff;
|
||
}
|
||
.popup-body {
|
||
background-color: $color-bg;
|
||
height: initial;
|
||
.select-wrap {
|
||
background-color: #fff;
|
||
padding: 0 30rpx;
|
||
}
|
||
.item {
|
||
text-align: center;
|
||
padding: 20rpx;
|
||
background-color: #fff;
|
||
border-bottom: 1px solid $color-bg;
|
||
&:last-child {
|
||
border-bottom: none;
|
||
}
|
||
&.cancle {
|
||
margin-top: 20rpx;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
</style>
|