layui/.svn/pristine/8d/8d0561d45c02100a25f5071e56b173adb0d1a752.svn-base
2022-12-09 16:41:41 +08:00

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<script lang="ts">
export default {
name: "LayMenu",
};
</script>
<script setup lang="ts">
import { computed, ComputedRef, provide, Ref, ref, watch } from "vue";
import { provideLevel } from "./useLevel";
import "./index.less";
export interface MenuProps {
selectedKey?: string;
openKeys?: string[];
tree?: boolean;
theme?: string;
inverted?: boolean | string;
level?: boolean | string;
collapse?: boolean | string;
collapseTransition?: boolean | string;
indent?: boolean | string; // 菜单栏是否缩进
}
const emit = defineEmits([
"update:selectedKey",
"update:openKeys",
"changeSelectedKey",
"changeOpenKeys",
]);
const props = withDefaults(defineProps<MenuProps>(), {
selectedKey: "",
openKeys: () => [],
tree: false,
theme: "dark",
inverted: false,
level: true,
collapse: false,
collapseTransition: true,
indent: false,
});
const isTree: ComputedRef<boolean> = computed(() => props.tree);
const isCollapse: ComputedRef<boolean | string> = computed(
() => props.collapse
);
const isCollapseTransition: ComputedRef = computed(
() => props.collapseTransition
);
const oldOpenKeys: Ref = ref<string[]>(props.openKeys);
const menuTheme = computed(() => props.theme);
const openKeys = computed({
get() {
return props.collapse ? [] : props.openKeys;
},
set(val) {
emit("update:openKeys", val);
emit("changeOpenKeys", val);
},
});
const selectedKey = computed({
get() {
return props.selectedKey;
},
set(val) {
emit("update:selectedKey", val);
emit("changeSelectedKey", val);
},
});
const indent = computed(() => {
return props.indent;
});
watch(
() => props.collapse,
() => {
if (props.collapse) {
oldOpenKeys.value = props.openKeys;
openKeys.value = [];
} else {
openKeys.value = oldOpenKeys.value;
}
}
);
provideLevel(1);
provide("isTree", isTree);
provide("selectedKey", selectedKey);
provide("openKeys", openKeys);
provide("isCollapse", isCollapse);
provide("isCollapseTransition", isCollapseTransition);
provide("menuTheme", menuTheme);
provide("indent", indent);
</script>
<template>
<ul
class="layui-nav"
:class="[
level ? '' : 'not-level',
inverted ? 'inverted' : '',
tree ? 'layui-nav-tree' : '',
theme === 'dark' ? 'layui-nav-dark' : 'layui-nav-light',
collapse ? 'layui-nav-collapse' : '',
]"
>
<slot></slot>
</ul>
</template>