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import { Vue, Component, Prop, Emit } from 'vue-property-decorator';
import { Util } from '@/utils';
import './app-header-menus.less';
/**
* 应用头部菜单
*
* @export
* @class AppHeaderMenus
* @extends {Vue}
*/
@Component({})
export class AppHeaderMenus extends Vue {
/**
* 菜单
*
* @type {any[]}
* @memberof AppHeaderMenus
*/
@Prop({ default: () => [] })
public menus!: any[];
/**
* 菜单项点击
*
* @param {*} item
* @returns {*}
* @memberof AppHeaderMenus
*/
@Emit('menu-click')
public menuClick(item: any): any { }
/**
* 组件创建完毕
*
* @memberof AppHeaderMenus
*/
public mounted(): void {
this.$nextTick(() => {
if (this.$route.matched && this.$route.matched.length > 1) {
return;
}
const openDefault = this.findDefaultOpen(this.menus);
if (openDefault) {
this.menuClick(openDefault);
}
});
}
/**
* 查找默认打开视图
*
* @protected
* @param {any[]} items
* @returns {*}
* @memberof AppHeaderMenus
*/
protected findDefaultOpen(items: any[]): any {
if (items) {
return items.find((item: any) => {
let data: any;
if (item && item.items && Util.typeOf(item.items) === 'array') {
data = this.findDefaultOpen(item.items);
} else {
if (item.opendefault === true) {
data = item;
}
}
return data;
});
}
}
/**
* 菜单项选中
*
* @protected
* @param {string} name
* @memberof AppHeaderMenus
*/
protected onSelect(name: string): void {
const item: any = this.findMenuByName(name);
if (item) {
this.menuClick(item);
}
}
/**
* 根据名称查找菜单项
*
* @protected
* @param {string} name
* @param {any[]} [menus=this.menus]
* @returns {*}
* @memberof AppHeaderMenus
*/
protected findMenuByName(name: string, menus: any[] = this.menus): any {
let item: any;
menus.find((menu: any) => {
if (Object.is(menu.name, name)) {
item = menu;
return menu;
}
if (menu.items) {
const subItem: any = this.findMenuByName(name, menu.items);
if (subItem) {
item = subItem;
return subItem;
}
}
});
return item;
}
/**
* 绘制菜单
*
* @protected
* @param {*} items
* @returns {*}
* @memberof AppHeaderMenus
*/
protected renderMenus(items: any[]): any {
return items.map((item: any) => {
if (item.items) {
return this.renderSubMenu(item);
}
return this.renderMenuItem(item);
});
}
/**
* 绘制菜单项
*
* @protected
* @param {*} item
* @returns {*}
* @memberof AppHeaderMenus
*/
protected renderMenuItem(item: any): any {
return <menuItem title={item.tooltip} name={item.name}>
<menu-icon item={item} />
{item.text}
</menuItem>;
}
/**
* 绘制菜单分组
*
* @protected
* @param {*} item
* @returns {*}
* @memberof AppHeaderMenus
*/
protected renderSubMenu(item: any): any {
return <submenu name={item.name}>
<template slot="title">
<menu-icon item={item} />
{item.text}
</template>
{this.renderMenus(item.items)}
</submenu>;
}
/**
* 绘制内容
*
* @returns {*}
* @memberof AppHeaderMenus
*/
public render(): any {
return <div class="app-header-menus">
<i-menu mode="horizontal" on-on-select={(val: string) => this.onSelect(val)}>
{this.renderMenus(this.menus)}
</i-menu>
</div>;
}
}