uni-drawer.vue
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<template>
<view v-if="visibleSync" :class="{ 'uni-drawer--visible': showDrawer }" class="uni-drawer">
<view class="uni-drawer__mask" :class="{ 'uni-drawer__mask--visible': showDrawer && mask }" @tap="close" />
<view class="uni-drawer__content" :class="{'uni-drawer--right': rightMode,'uni-drawer--left': !rightMode, 'uni-drawer__content--visible': showDrawer}">
<slot />
</view>
</view>
</template>
<script>
export default {
name: 'UniDrawer',
props: {
/**
* 显示状态
*/
visible: {
type: Boolean,
default: false
},
/**
* 显示模式（左、右），只在初始化生效
*/
mode: {
type: String,
default: ''
},
/**
* 蒙层显示状态
*/
mask: {
type: Boolean,
default: true
}
},
data() {
return {
visibleSync: false,
showDrawer: false,
rightMode: false,
watchTimer: null
}
},
watch: {
visible(val) {
if (val) {
this.open()
} else {
this.close()
}
}
},
created() {
this.visibleSync = this.visible
setTimeout(() => {
this.showDrawer = this.visible
}, 100)
this.rightMode = this.mode === 'right'
},
methods: {
close() {
this._change('showDrawer', 'visibleSync', false)
},
open() {
this._change('visibleSync', 'showDrawer', true)
},
_change(param1, param2, status) {
this[param1] = status
if (this.watchTimer) {
clearTimeout(this.watchTimer)
}
this.watchTimer = setTimeout(() => {
this[param2] = status
this.$emit(status ? 'open' : 'close')
}, status ? 50 : 300)
}
}
}
</script>
<style lang="scss" scoped>
// 抽屉宽度
$drawer-width: 220px;
.uni-drawer {
/* #ifndef APP-NVUE */
display: block;
/* #endif */
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
overflow: hidden;
z-index: 999;
}
.uni-drawer__content {
/* #ifndef APP-NVUE */
display: block;
/* #endif */
position: absolute;
top: 0;
width: $drawer-width;
bottom: 0;
background-color: $uni-bg-color;
transition: transform 0.3s ease;
}
.uni-drawer--left {
left: 0;
transform: translateX(-$drawer-width);
}
.uni-drawer--right {
right: 0;
transform: translateX($drawer-width);
}
.uni-drawer__content--visible {
transform: translateX(0px);
}
.uni-drawer__mask {
/* #ifndef APP-NVUE */
display: block;
/* #endif */
opacity: 0;
position: absolute;
top: 0;
left: 0;
bottom: 0;
right: 0;
background-color: $uni-bg-color-mask;
transition: opacity 0.3s;
}
.uni-drawer__mask--visible {
/* #ifndef APP-NVUE */
display: block;
/* #endif */
opacity: 1;
}
</style>