dbx/apps/desktop/src/components/ui/CustomContextMenu.vue

119 lines
3.1 KiB
Vue

<script setup lang="ts">
import { ref, watch, onBeforeUnmount, nextTick, type Component } from "vue";
export interface ContextMenuItem {
label: string;
action?: () => void;
disabled?: boolean;
separator?: boolean;
icon?: Component;
}
const props = defineProps<{
items: ContextMenuItem[];
}>();
const show = ref(false);
const x = ref(0);
const y = ref(0);
const menuRef = ref<HTMLElement>();
function onContextMenu(event: MouseEvent) {
if (props.items.length === 0) return;
event.preventDefault();
event.stopPropagation();
x.value = event.clientX;
y.value = event.clientY;
show.value = true;
nextTick(() => adjustPosition());
}
function close() {
show.value = false;
}
function adjustPosition() {
if (!menuRef.value) return;
const rect = menuRef.value.getBoundingClientRect();
const vw = window.innerWidth;
const vh = window.innerHeight;
if (rect.right > vw) {
x.value = Math.max(0, vw - rect.width - 8);
}
if (rect.bottom > vh) {
y.value = Math.max(0, vh - rect.height - 8);
}
}
function onClickOutside(e: MouseEvent) {
if (menuRef.value && !menuRef.value.contains(e.target as Node)) {
close();
}
}
function onScroll() {
close();
}
function onKeydown(e: KeyboardEvent) {
if (e.key === "Escape") close();
}
function onResize() {
close();
}
watch(show, (val) => {
if (val) {
document.addEventListener("click", onClickOutside, true);
document.addEventListener("keydown", onKeydown);
document.addEventListener("scroll", onScroll, true);
window.addEventListener("resize", onResize);
} else {
document.removeEventListener("click", onClickOutside, true);
document.removeEventListener("keydown", onKeydown);
document.removeEventListener("scroll", onScroll, true);
window.removeEventListener("resize", onResize);
}
});
function handleItemClick(item: ContextMenuItem) {
if (item.disabled) return;
close();
item.action?.();
}
onBeforeUnmount(() => {
document.removeEventListener("click", onClickOutside, true);
document.removeEventListener("keydown", onKeydown);
document.removeEventListener("scroll", onScroll, true);
window.removeEventListener("resize", onResize);
});
</script>
<template>
<slot :on-context-menu="onContextMenu" />
<Teleport to="body">
<div
v-if="show"
ref="menuRef"
:style="{ position: 'fixed', left: x + 'px', top: y + 'px', zIndex: 9999 }"
class="text-popover-foreground min-w-36 rounded-xl p-1 cn-menu-translucent overflow-x-hidden overflow-y-auto"
>
<template v-for="(item, index) in items" :key="index">
<div v-if="item.separator" class="bg-foreground/6 -mx-1 my-0.5 h-px" />
<button
v-else
:disabled="item.disabled"
class="w-full gap-2 rounded-md px-2 py-1 text-[13px] outline-hidden select-none text-left cursor-default flex items-center hover:bg-accent hover:text-accent-foreground disabled:pointer-events-none disabled:opacity-50"
@click="handleItemClick(item)"
>
<component :is="item.icon" v-if="item.icon" class="size-4 shrink-0" />
{{ item.label }}
</button>
</template>
</div>
</Teleport>
</template>