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refactor: 前端文件夹名称调整
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201
frontend/src/components/contextmenu/index.vue
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201
frontend/src/components/contextmenu/index.vue
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<template>
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<transition @enter="onEnter" name="el-zoom-in-center">
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<div
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aria-hidden="true"
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class="el-dropdown__popper el-popper is-light is-pure custom-contextmenu"
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role="tooltip"
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data-popper-placement="bottom"
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:style="`top: ${state.dropdown.y + 5}px;left: ${state.dropdown.x}px;`"
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:key="Math.random()"
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v-show="state.isShow && !allHide"
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>
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<ul class="el-dropdown-menu">
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<template v-for="(v, k) in state.dropdownList">
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<li
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:id="v.clickId"
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v-auth="v.permission"
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class="el-dropdown-menu__item"
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aria-disabled="false"
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tabindex="-1"
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:key="k"
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v-if="!v.affix && !v.isHide(state.item)"
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@click="onCurrentContextmenuClick(v)"
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>
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<SvgIcon :name="v.icon" />
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<span>{{ v.txt }}</span>
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</li>
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</template>
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</ul>
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<div v-if="state.arrowLeft > 0" class="el-popper__arrow" :style="{ left: `${state.arrowLeft}px` }"></div>
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</div>
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</transition>
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</template>
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<script setup lang="ts" name="layoutTagsViewContextmenu">
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import { computed, reactive, onMounted, onUnmounted, watch } from 'vue';
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import { ContextmenuItem } from './index';
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import SvgIcon from '@/components/svgIcon/index.vue';
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import { useWindowSize } from '@vueuse/core';
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// 定义父组件传过来的值
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const props = defineProps({
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dropdown: {
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type: Object,
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default: () => {
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return {
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x: 0,
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y: 0,
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};
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},
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},
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items: {
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type: Array<ContextmenuItem>,
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default: () => [],
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},
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});
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// 定义子组件向父组件传值/事件
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const emit = defineEmits(['currentContextmenuClick']);
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const { width: vw, height: vh } = useWindowSize();
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// 定义变量内容
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const state = reactive({
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isShow: false,
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dropdownList: [] as ContextmenuItem[],
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item: {} as any,
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arrowLeft: 10,
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dropdown: {
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x: 0,
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y: 0,
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},
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});
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// 下拉菜单宽高
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let contextmenuWidth = 117;
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let contextmenuHeight = 117;
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// 下拉菜单元素
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let ele = null as any;
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const onEnter = (el: any) => {
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if (ele || el.offsetHeight == 0) {
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return;
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}
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ele = el;
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contextmenuHeight = el.offsetHeight;
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contextmenuWidth = el.offsetWidth;
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setDropdowns(props.dropdown);
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};
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const setDropdowns = (dropdown: any) => {
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let { x, y } = dropdown;
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state.arrowLeft = 10;
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// `Dropdown 下拉菜单` 的宽度
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if (x + contextmenuWidth > vw.value) {
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state.arrowLeft = contextmenuWidth - (vw.value - x);
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x = vw.value - contextmenuWidth - 5;
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}
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if (y + contextmenuHeight > vh.value) {
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y = vh.value - contextmenuHeight - 5;
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state.arrowLeft = 0;
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}
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state.dropdown.x = x;
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state.dropdown.y = y;
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};
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const allHide = computed(() => {
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for (let item of state.dropdownList) {
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if (!item.isHide(state.item)) {
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return false;
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}
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}
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return true;
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});
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// 当前项菜单点击
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const onCurrentContextmenuClick = (ci: ContextmenuItem) => {
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// 存在点击事件,则触发该事件函数
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if (ci.onClickFunc) {
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ci.onClickFunc(state.item);
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}
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emit('currentContextmenuClick', { id: ci.clickId, item: state.item });
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};
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// 打开右键菜单:判断是否固定,固定则不显示关闭按钮
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const openContextmenu = (item: any) => {
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state.item = item;
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closeContextmenu();
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setTimeout(() => {
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state.isShow = true;
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}, 10);
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};
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// 关闭右键菜单
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const closeContextmenu = () => {
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state.isShow = false;
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};
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// 监听页面监听进行右键菜单的关闭
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onMounted(() => {
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document.body.addEventListener('click', closeContextmenu);
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state.dropdownList = props.items;
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});
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// 页面卸载时,移除右键菜单监听事件
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onUnmounted(() => {
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document.body.removeEventListener('click', closeContextmenu);
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});
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watch(
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() => props.dropdown,
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() => {
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// 元素置为空,重新在onEnter赋值元素,否则会造成堆栈溢出
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ele = null;
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},
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{
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deep: true,
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}
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);
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watch(
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() => props.items,
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(x: any) => {
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state.dropdownList = x;
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},
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{
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deep: true,
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}
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);
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// 暴露变量
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defineExpose({
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openContextmenu,
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closeContextmenu,
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});
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</script>
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<style scoped lang="scss">
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.custom-contextmenu {
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transform-origin: center top;
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z-index: 2190;
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position: fixed;
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.el-dropdown-menu__item {
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padding: 5px 12px;
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}
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.el-dropdown-menu__item {
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font-size: 12px !important;
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white-space: nowrap;
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i {
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font-size: 12px !important;
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}
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}
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}
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</style>
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.
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