mirror of
https://github.com/misskey-dev/misskey.git
synced 2024-12-21 00:15:08 +01:00
91 lines
2 KiB
Vue
91 lines
2 KiB
Vue
<!--
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SPDX-FileCopyrightText: syuilo and other misskey contributors
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SPDX-License-Identifier: AGPL-3.0-only
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-->
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<template>
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<div ref="el" :class="$style.root">
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<MkMenu :items="items" :align="align" :width="width" :asDrawer="false" @close="onChildClosed"/>
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</div>
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</template>
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<script lang="ts" setup>
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import { nextTick, onMounted, onUnmounted, shallowRef, watch } from 'vue';
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import MkMenu from './MkMenu.vue';
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import { MenuItem } from '@/types/menu.js';
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const props = defineProps<{
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items: MenuItem[];
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targetElement: HTMLElement;
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rootElement: HTMLElement;
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width?: number;
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viaKeyboard?: boolean;
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}>();
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const emit = defineEmits<{
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(ev: 'closed'): void;
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(ev: 'actioned'): void;
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}>();
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const el = shallowRef<HTMLElement>();
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const align = 'left';
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const SCROLLBAR_THICKNESS = 16;
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function setPosition() {
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const rootRect = props.rootElement.getBoundingClientRect();
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const parentRect = props.targetElement.getBoundingClientRect();
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const myRect = el.value.getBoundingClientRect();
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let left = props.targetElement.offsetWidth;
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let top = (parentRect.top - rootRect.top) - 8;
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if (rootRect.left + left + myRect.width >= (window.innerWidth - SCROLLBAR_THICKNESS)) {
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left = -myRect.width;
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}
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if (rootRect.top + top + myRect.height >= (window.innerHeight - SCROLLBAR_THICKNESS)) {
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top = top - ((rootRect.top + top + myRect.height) - (window.innerHeight - SCROLLBAR_THICKNESS));
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}
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el.value.style.left = left + 'px';
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el.value.style.top = top + 'px';
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}
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function onChildClosed(actioned?: boolean) {
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if (actioned) {
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emit('actioned');
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} else {
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emit('closed');
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}
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}
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watch(() => props.targetElement, () => {
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setPosition();
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});
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const ro = new ResizeObserver((entries, observer) => {
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setPosition();
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});
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onMounted(() => {
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ro.observe(el.value);
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setPosition();
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nextTick(() => {
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setPosition();
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});
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});
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onUnmounted(() => {
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ro.disconnect();
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});
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defineExpose({
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checkHit: (ev: MouseEvent) => {
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return (ev.target === el.value || el.value.contains(ev.target));
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},
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});
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</script>
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<style lang="scss" module>
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.root {
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position: absolute;
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}
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</style>
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