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yanzong_qianduan/uni_modules/vk-uview-ui/components/u-popup/u-popup.vue

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<template>
<view v-if="visibleSync" :style="[customStyle, {
zIndex: uZindex - 1
}]" class="u-drawer" hover-stop-propagation>
<u-mask :blur="blur" :duration="duration" :custom-style="maskCustomStyle" :maskClickAble="maskCloseAble" :z-index="uZindex - 2" :show="showDrawer && mask" @click="maskClick"></u-mask>
<!-- 移除 @tap.stop.prevent -->
<view
class="u-drawer-content"
@tap="modeCenterClose(mode)"
:class="[
safeAreaInsetBottom ? 'safe-area-inset-bottom' : '',
'u-drawer-' + mode,
showDrawer ? 'u-drawer-content-visible' : '',
zoom && mode == 'center' ? 'u-animation-zoom' : ''
]"
@touchmove.stop.prevent
:style="[style]"
>
<view class="u-mode-center-box" @tap.stop.prevent @touchmove.stop.prevent v-if="mode == 'center'" :style="[centerStyle]">
<view v-if="closeable" @tap="close" class="u-close" :class="['u-close--' + closeIconPos]">
<u-icon
:name="closeIcon"
:color="closeIconColor"
:size="closeIconSize"
></u-icon>
</view>
<scroll-view class="u-drawer__scroll-view" scroll-y="true">
<slot></slot>
</scroll-view>
</view>
<scroll-view class="u-drawer__scroll-view" scroll-y="true" v-else>
<slot></slot>
</scroll-view>
<view @tap="close" class="u-close" :class="['u-close--' + closeIconPos]">
<u-icon
v-if="mode != 'center' && closeable"
:name="closeIcon"
:color="closeIconColor"
:size="closeIconSize"
></u-icon>
</view>
</view>
</view>
</template>
<script>
/**
* popup 弹窗
* @description 弹出层容器,用于展示弹窗、信息提示等内容,支持上、下、左、右和中部弹出。组件只提供容器,内部内容由用户自定义
* @tutorial https://www.uviewui.com/components/popup.html
* @property {String} mode 弹出方向(默认left)
* @property {Boolean} mask 是否显示遮罩(默认true)
* @property {Stringr | Number} length mode=left | 见官网说明(默认auto)
* @property {Boolean} zoom 是否开启缩放动画,只在mode为center时有效(默认true)
* @property {Boolean} safe-area-inset-bottom 是否开启底部安全区适配(默认false)
* @property {Boolean} mask-close-able 点击遮罩是否可以关闭弹出层(默认true)
* @property {Object} custom-style 用户自定义样式
* @property {Stringr | Number} negative-top 中部弹出时,往上偏移的值
* @property {Numberr | String} border-radius 弹窗圆角值(默认0)
* @property {Numberr | String} z-index 弹出内容的z-index值(默认1075)
* @property {Boolean} closeable 是否显示关闭图标(默认false)
* @property {String} close-icon 关闭图标的名称,只能uView的内置图标
* @property {String} close-icon-pos 自定义关闭图标位置(默认top-right)
* @property {String} close-icon-color 关闭图标的颜色(默认#909399)
* @property {Number | String} close-icon-size 关闭图标的大小,单位rpx(默认30)
* @event {Function} open 弹出层打开
* @event {Function} close 弹出层收起
* @example <u-popup v-model="show"><view>出淤泥而不染,濯清涟而不妖</view></u-popup>
*/
export default {
name: 'u-popup',
emits: ["update:modelValue", "input", "open", "close"],
props: {
value: {
type: Boolean,
default: false
},
modelValue: {
type: Boolean,
default: false
},
/**
* 显示状态
*/
show: {
type: Boolean,
default: false
},
/**
* 弹出方向,left|right|top|bottom|center
*/
mode: {
type: String,
default: 'left'
},
/**
* 是否显示遮罩
*/
mask: {
type: Boolean,
default: true
},
// 抽屉的宽度(mode=left|right),或者高度(mode=top|bottom),单位rpx,或者"auto"
// 或者百分比"50%",表示由内容撑开高度或者宽度
length: {
type: [Number, String],
default: 'auto'
},
// 是否开启缩放动画,只在mode=center时有效
zoom: {
type: Boolean,
default: true
},
// 是否开启底部安全区适配,开启的话,会在iPhoneX机型底部添加一定的内边距
safeAreaInsetBottom: {
type: Boolean,
default: false
},
// 是否可以通过点击遮罩进行关闭
maskCloseAble: {
type: Boolean,
default: true
},
// 用户自定义样式
customStyle: {
type: Object,
default() {
return {};
}
},
// 此为内部参数,不在文档对外使用,为了解决Picker和keyboard等融合了弹窗的组件
// 对v-model双向绑定多层调用造成报错不能修改props值的问题
popup: {
type: Boolean,
default: true
},
// 显示显示弹窗的圆角,单位rpx
borderRadius: {
type: [Number, String],
default: 0
},
zIndex: {
type: [Number, String],
default: ''
},
// 是否显示关闭图标
closeable: {
type: Boolean,
default: false
},
// 关闭图标的名称,只能uView的内置图标
closeIcon: {
type: String,
default: 'close'
},
// 自定义关闭图标位置,top-left为左上角,top-right为右上角,bottom-left为左下角,bottom-right为右下角
closeIconPos: {
type: String,
default: 'top-right'
},
// 关闭图标的颜色
closeIconColor: {
type: String,
default: '#909399'
},
// 关闭图标的大小,单位rpx
closeIconSize: {
type: [String, Number],
default: '30'
},
// 宽度,只对左,右,中部弹出时起作用,单位rpx,或者"auto"
// 或者百分比"50%",表示由内容撑开高度或者宽度,优先级高于length参数
width: {
type: String,
default: ''
},
// 高度,只对上,下,中部弹出时起作用,单位rpx,或者"auto"
// 或者百分比"50%",表示由内容撑开高度或者宽度,优先级高于length参数
height: {
type: String,
default: ''
},
// 给一个负的margin-top,往上偏移,避免和键盘重合的情况,仅在mode=center时有效
negativeTop: {
type: [String, Number],
default: 0
},
// 遮罩的样式,一般用于修改遮罩的透明度
maskCustomStyle: {
type: Object,
default() {
return {}
}
},
// 遮罩打开或收起的动画过渡时间,单位ms
duration: {
type: [String, Number],
default: 250
},
// 遮罩的模糊度
blur: {
type: [String, Number],
default: 0
},
},
data() {
return {
visibleSync: false,
showDrawer: false,
timer: null,
closeFromInner: false, // value的值改变,是发生在内部还是外部
};
},
computed: {
valueCom(){
// #ifndef VUE3
return this.value;
// #endif
// #ifdef VUE3
return this.modelValue;
// #endif
},
// 根据mode的位置,设定其弹窗的宽度(mode = left|right),或者高度(mode = top|bottom)
style() {
let style = {};
// 如果是左边或者上边弹出时,需要给translate设置为负值,用于隐藏
if (this.mode == 'left' || this.mode == 'right') {
style = {
width: this.width ? this.getUnitValue(this.width) : this.getUnitValue(this.length),
height: '100%',
transform: `translate3D(${this.mode == 'left' ? '-100%' : '100%'},0px,0px)`
};
} else if (this.mode == 'top' || this.mode == 'bottom') {
style = {
width: '100%',
height: this.height ? this.getUnitValue(this.height) : this.getUnitValue(this.length),
transform: `translate3D(0px,${this.mode == 'top' ? '-100%' : '100%'},0px)`
};
}
style.zIndex = this.uZindex;
// 如果用户设置了borderRadius值,添加弹窗的圆角
if (this.borderRadius) {
switch (this.mode) {
case 'left':
style.borderRadius = `0 ${this.borderRadius}rpx ${this.borderRadius}rpx 0`;
break;
case 'top':
style.borderRadius = `0 0 ${this.borderRadius}rpx ${this.borderRadius}rpx`;
break;
case 'right':
style.borderRadius = `${this.borderRadius}rpx 0 0 ${this.borderRadius}rpx`;
break;
case 'bottom':
style.borderRadius = `${this.borderRadius}rpx ${this.borderRadius}rpx 0 0`;
break;
default:
}
// 不加可能圆角无效
style.overflow = 'hidden';
}
if(this.duration) style.transition = `all ${this.duration / 1000}s linear`;
return style;
},
// 中部弹窗的特有样式
centerStyle() {
let style = {};
style.width = this.width ? this.getUnitValue(this.width) : this.getUnitValue(this.length);
// 中部弹出的模式,如果没有设置高度,就用auto值,由内容撑开高度
style.height = this.height ? this.getUnitValue(this.height) : 'auto';
style.zIndex = this.uZindex;
style.marginTop = `-${this.$u.addUnit(this.negativeTop)}`;
if (this.borderRadius) {
style.borderRadius = `${this.borderRadius}rpx`;
// 不加可能圆角无效
style.overflow = 'hidden';
}
return style;
},
// 计算整理后的z-index值
uZindex() {
return this.zIndex ? this.zIndex : this.$u.zIndex.popup;
}
},
watch: {
valueCom:{
immediate: true,
handler(val){
if (val) {
this.open();
} else if(!this.closeFromInner) {
this.close();
}
this.closeFromInner = false;
}
}
},
mounted() {
// 组件渲染完成时,检查value是否为true,如果是,弹出popup
this.valueCom && this.open();
},
methods: {
// 判断传入的值,是否带有单位,如果没有,就默认用rpx单位
getUnitValue(val) {
if(/(%|px|rpx|auto)$/.test(val)) return val;
else return val + 'rpx'
},
// 遮罩被点击
maskClick() {
this.close();
},
close() {
// 标记关闭是内部发生的,否则修改了value值,导致watch中对value检测,导致再执行一遍close
// 造成@close事件触发两次
this.closeFromInner = true;
this.change('showDrawer', 'visibleSync', false);
},
// 中部弹出时,需要.u-drawer-content将居中内容,此元素会铺满屏幕,点击需要关闭弹窗
// 让其只在mode=center时起作用
modeCenterClose(mode) {
if (mode != 'center' || !this.maskCloseAble) return;
this.close();
},
open() {
this.change('visibleSync', 'showDrawer', true);
},
// 此处的原理是,关闭时先通过动画隐藏弹窗和遮罩,再移除整个组件
// 打开时,先渲染组件,延时一定时间再让遮罩和弹窗的动画起作用
change(param1, param2, status) {
// 如果this.popup为false,意味着为picker,actionsheet等组件调用了popup组件
if (this.popup == true) {
this.$emit('input', status);
this.$emit("update:modelValue", status);
}
this[param1] = status;
if(status) {
// #ifdef H5 || MP
this.timer = setTimeout(() => {
this[param2] = status;
this.$emit(status ? 'open' : 'close');
}, 50);
// #endif
// #ifndef H5 || MP
this.$nextTick(() => {
this[param2] = status;
this.$emit(status ? 'open' : 'close');
})
// #endif
} else {
this.timer = setTimeout(() => {
this[param2] = status;
this.$emit(status ? 'open' : 'close');
}, this.duration);
}
}
}
};
</script>
<style scoped lang="scss">
@import "../../libs/css/style.components.scss";
.u-drawer {
/* #ifndef APP-NVUE */
display: block;
/* #endif */
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
overflow: hidden;
}
.u-drawer-content {
/* #ifndef APP-NVUE */
display: block;
/* #endif */
position: absolute;
z-index: 1003;
transition: all 0.25s linear;
}
.u-drawer__scroll-view {
width: 100%;
height: 100%;
}
.u-drawer-left {
top: 0;
bottom: 0;
left: 0;
background-color: #ffffff;
}
.u-drawer-right {
right: 0;
top: 0;
bottom: 0;
background-color: #ffffff;
}
.u-drawer-top {
top: 0;
left: 0;
right: 0;
background-color: #ffffff;
}
.u-drawer-bottom {
bottom: 0;
left: 0;
right: 0;
background-color: #ffffff;
}
.u-drawer-center {
@include vue-flex;
flex-direction: column;
bottom: 0;
left: 0;
right: 0;
top: 0;
justify-content: center;
align-items: center;
opacity: 0;
z-index: 99999;
}
.u-mode-center-box {
min-width: 100rpx;
min-height: 100rpx;
/* #ifndef APP-NVUE */
display: block;
/* #endif */
position: relative;
background-color: #ffffff;
}
.u-drawer-content-visible.u-drawer-center {
transform: scale(1);
opacity: 1;
}
.u-animation-zoom {
transform: scale(1.15);
}
.u-drawer-content-visible {
transform: translate3D(0px, 0px, 0px) !important;
}
.u-close {
position: absolute;
z-index: 3;
}
.u-close--top-left {
top: 30rpx;
left: 30rpx;
}
.u-close--top-right {
top: 30rpx;
right: 30rpx;
}
.u-close--bottom-left {
bottom: 30rpx;
left: 30rpx;
}
.u-close--bottom-right {
right: 30rpx;
bottom: 30rpx;
}
</style>