156 lines
5.4 KiB
Vue
156 lines
5.4 KiB
Vue
<template>
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<ul :class="classes" :style="styles"><slot></slot></ul>
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</template>
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<script>
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import { oneOf, findComponentsDownward, findComponentsUpward } from '../../utils/assist';
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import Emitter from '../../mixins/emitter';
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const prefixCls = 'ivu-menu';
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export default {
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name: 'Menu',
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mixins: [ Emitter ],
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props: {
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mode: {
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validator (value) {
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return oneOf(value, ['horizontal', 'vertical']);
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},
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default: 'vertical'
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},
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theme: {
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validator (value) {
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return oneOf(value, ['light', 'dark', 'primary']);
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},
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default: 'light'
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},
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activeName: {
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type: [String, Number]
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},
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openNames: {
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type: Array,
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default () {
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return [];
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}
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},
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accordion: {
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type: Boolean,
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default: false
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},
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width: {
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type: String,
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default: '240px'
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}
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},
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data () {
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return {
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currentActiveName: this.activeName,
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openedNames: []
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};
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},
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computed: {
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classes () {
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let theme = this.theme;
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if (this.mode === 'vertical' && this.theme === 'primary') theme = 'light';
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return [
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`${prefixCls}`,
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`${prefixCls}-${theme}`,
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{
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[`${prefixCls}-${this.mode}`]: this.mode
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}
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];
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},
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styles () {
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let style = {};
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if (this.mode === 'vertical') style.width = this.width;
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return style;
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}
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},
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methods: {
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updateActiveName () {
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if (this.currentActiveName === undefined) {
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this.currentActiveName = -1;
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}
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this.broadcast('Submenu', 'on-update-active-name', false);
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this.broadcast('MenuItem', 'on-update-active-name', this.currentActiveName);
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},
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updateOpenKeys (name) {
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let names = [...this.openedNames];
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const index = names.indexOf(name);
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if (this.accordion) findComponentsDownward(this, 'Submenu').forEach(item => {
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item.opened = false;
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});
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if (index >= 0) {
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let currentSubmenu = null;
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findComponentsDownward(this, 'Submenu').forEach(item => {
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if (item.name === name) {
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currentSubmenu = item;
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item.opened = false;
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}
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});
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findComponentsUpward(currentSubmenu, 'Submenu').forEach(item => {
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item.opened = true;
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});
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findComponentsDownward(currentSubmenu, 'Submenu').forEach(item => {
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item.opened = false;
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});
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} else {
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if (this.accordion) {
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let currentSubmenu = null;
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findComponentsDownward(this, 'Submenu').forEach(item => {
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if (item.name === name) {
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currentSubmenu = item;
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item.opened = true;
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}
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});
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findComponentsUpward(currentSubmenu, 'Submenu').forEach(item => {
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item.opened = true;
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});
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} else {
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findComponentsDownward(this, 'Submenu').forEach(item => {
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if (item.name === name) item.opened = true;
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});
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}
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}
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let openedNames = findComponentsDownward(this, 'Submenu').filter(item => item.opened).map(item => item.name);
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this.openedNames = [...openedNames];
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this.$emit('on-open-change', openedNames);
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},
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updateOpened () {
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const items = findComponentsDownward(this, 'Submenu');
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if (items.length) {
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items.forEach(item => {
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if (this.openedNames.indexOf(item.name) > -1) item.opened = true;
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else item.opened = false;
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});
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}
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},
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handleEmitSelectEvent (name) {
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this.$emit('on-select', name);
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}
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},
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mounted () {
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this.openedNames = [...this.openNames];
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this.updateOpened();
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this.$nextTick(() => this.updateActiveName());
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this.$on('on-menu-item-select', (name) => {
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this.currentActiveName = name;
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this.$emit('on-select', name);
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});
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},
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watch: {
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openNames (names) {
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this.openedNames = names;
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},
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activeName (val) {
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this.currentActiveName = val;
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},
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currentActiveName () {
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this.updateActiveName();
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}
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}
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};
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</script>
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