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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]">
<u-icon
@click="close"
v-if="closeable"
class="u-close"
:class="['u-close--' + closeIconPos]"
:name="closeIcon"
:color="closeIconColor"
:size="closeIconSize"
></u-icon>
<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
* @value left 左侧弹出
* @value top 顶部弹出
* @value right 右侧弹出
* @value bottom 底部弹出
* @value center 中间弹出
* @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>