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<template> <view v-if="visibleSync" :style="[customStyle, { zIndex: uZindex - 1 }]" class="u-drawer" hover-stop-propagation> <u-mask :duration="duration" :custom-style="maskCustomStyle" :maskClickAble="maskCloseAble" :z-index="uZindex - 2" :show="showDrawer && mask" @click="maskClick"></u-mask> <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 @tap.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 /> </scroll-view> </view> <scroll-view class="u-drawer__scroll-view" scroll-y="true" v-else> <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', props: { /** * 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 {}; } }, value: { type: Boolean, default: false }, // 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 } }, 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: { // 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.$u.zIndex.popup; } }, watch: { value(val) { if (val) { this.open(); } else if(!this.closeFromInner) { this.close(); } this.closeFromInner = false; } }, mounted() { // 组件渲染完成时,检查value是否为true,如果是,弹出popup
this.value && this.open(); }, methods: { // 判断传入的值,是否带有单位,如果没有,就默认用rpx单位
getUnitValue(val) { if(/(%|px|rpx|auto)$/.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.$emit('input', status); } this[param1] = status; if(status) { // #ifdef H5 || MP
this.timer = setTimeout(() => { this[param2] = status; this.$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>
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