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<template>
<transition name="el-zoom-in-center">
<div
aria-hidden="true"
class="el-dropdown__popper el-popper is-light is-pure custom-contextmenu"
role="tooltip"
data-popper-placement="bottom"
:style="`top: ${dropdowns.y + 5}px;left: ${dropdowns.x}px;`"
:key="Math.random()"
v-show="state.isShow"
>
<ul class="el-dropdown-menu">
<template v-for="(v, k) in state.dropdownList">
<li
class="el-dropdown-menu__item"
aria-disabled="false"
tabindex="-1"
:key="k"
v-if="!v.affix"
@click="onCurrentContextmenuClick(v.contextMenuClickId)"
>
<SvgIcon :name="v.icon" />
<span>{{ $t(v.txt) }}</span>
</li>
</template>
</ul>
<div class="el-popper__arrow" :style="{ left: `${state.arrowLeft}px` }"></div>
</div>
</transition>
</template>
<script setup lang="ts" name="layoutTagsViewContextmenu">
import { computed, reactive, onMounted, onUnmounted, watch } from 'vue';
// 定义父组件传过来的值
const props = defineProps({
dropdown: {
type: Object,
default: () => {
return {
x: 0,
y: 0,
};
},
},
});
// 定义子组件向父组件传值/事件
const emit = defineEmits(['currentContextmenuClick']);
// 定义变量内容
const state = reactive({
isShow: false,
dropdownList: [
{ contextMenuClickId: 0, txt: 'message.tagsView.refresh', affix: false, icon: 'ele-RefreshRight' },
{ contextMenuClickId: 1, txt: 'message.tagsView.close', affix: false, icon: 'ele-Close' },
{ contextMenuClickId: 2, txt: 'message.tagsView.closeOther', affix: false, icon: 'ele-CircleClose' },
{ contextMenuClickId: 3, txt: 'message.tagsView.closeAll', affix: false, icon: 'ele-FolderDelete' },
{
contextMenuClickId: 4,
txt: 'message.tagsView.fullscreen',
affix: false,
icon: 'iconfont icon-fullscreen',
},
],
item: {},
arrowLeft: 10,
});
// 父级传过来的坐标 x,y 值
const dropdowns = computed(() => {
// 117 为 `Dropdown 下拉菜单` 的宽度
if (props.dropdown.x + 117 > document.documentElement.clientWidth) {
return {
x: document.documentElement.clientWidth - 117 - 5,
y: props.dropdown.y,
};
} else {
return props.dropdown;
}
});
// 当前项菜单点击
const onCurrentContextmenuClick = (contextMenuClickId: number) => {
emit('currentContextmenuClick', Object.assign({}, { contextMenuClickId }, state.item));
};
// 打开右键菜单:判断是否固定,固定则不显示关闭按钮
const openContextmenu = (item: RouteItem) => {
state.item = item;
item.meta?.isAffix ? (state.dropdownList[1].affix = true) : (state.dropdownList[1].affix = false);
closeContextmenu();
setTimeout(() => {
state.isShow = true;
}, 10);
};
// 关闭右键菜单
const closeContextmenu = () => {
state.isShow = false;
};
// 监听页面监听进行右键菜单的关闭
onMounted(() => {
document.body.addEventListener('click', closeContextmenu);
});
// 页面卸载时,移除右键菜单监听事件
onUnmounted(() => {
document.body.removeEventListener('click', closeContextmenu);
});
// 监听下拉菜单位置
watch(
() => props.dropdown,
({ x }) => {
if (x + 117 > document.documentElement.clientWidth) state.arrowLeft = 117 - (document.documentElement.clientWidth - x);
else state.arrowLeft = 10;
},
{
deep: true,
}
);
// 暴露变量
defineExpose({
openContextmenu,
});
</script>
<style scoped lang="scss">
.custom-contextmenu {
transform-origin: center top;
z-index: 2190;
position: fixed;
.el-dropdown-menu__item {
font-size: 12px !important;
white-space: nowrap;
i {
font-size: 12px !important;
}
}
}
</style>
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