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import { SingletonMode } from '../../decorators/singleton-mode';
import { LayoutState } from 'ibiz-core';
import { on } from '../../utils';
import { Observable, Subject } from 'rxjs';
/**
* 应用UI状态管理服务类
*
* @export
* @class UIStateService
*/
@SingletonMode()
export class UIStateService {
/**
* 事件组
*
* @private
* @type {*}
* @memberof OsObject
*/
private events = new Subject();
/**
* 缓存标识
*
* @protected
* @type {string}
* @memberof UIStateService
*/
protected localStoreKey: string = 'UIStateCache';
/**
* 全局布局状态管理
*
* @type {LayoutState}
* @memberof UIStateService
*/
public layoutState!: LayoutState;
/**
* Creates an instance of UIStateService.
* @memberof UIStateService
*/
constructor() {
try {
const data: any = localStorage.getItem(this.localStoreKey);
if (data) {
this.fillLayoutState(JSON.parse(data));
} else {
this.fillLayoutState({});
}
} catch (error) {
this.fillLayoutState({});
}
on(window, 'beforeunload', () => {
localStorage.setItem(this.localStoreKey, JSON.stringify(this.layoutState));
});
}
/**
* 填充状态
*
* @protected
* @param {*} data
* @memberof UIStateService
*/
protected fillLayoutState(data: any): void {
this.layoutState = {
styleMode: 'DEFAULT',
theme: 'dark',
contentBottomShow: true,
contentHorizontalSplit: 0.23,
contentVerticalSplit: 0.65,
leftExpActiveIndex: 0,
bottomExpActiveIndex: 0,
leftExpContentShow: true,
leftNavMenuCollapse: false,
leftNavOpenedMenus: [],
};
Object.assign(this.layoutState, data);
}
/**
* 改变布局状态
*
* @param {LayoutState} state
* @memberof UIStateService
*/
public changeLayoutState(state: any): void {
if (state) {
Object.assign(this.layoutState, state);
for (const key in state) {
this.events.next({ key, val: state[key] });
}
}
}
/**
* 获取某项UI状态
*
* @template K
* @param {K} key
* @returns {*}
* @memberof UIStateService
*/
public getState<K extends keyof LayoutState>(key: K): any {
return this.layoutState[key];
}
/**
* 左侧导航内容区显示切换
*
* @param {boolean} [bool]
* @memberof UIStateService
*/
public leftExpContentShowChange(bool?: boolean): void {
if (bool !== undefined) {
this.layoutState.leftExpContentShow = bool;
} else {
this.layoutState.leftExpContentShow = !this.layoutState.leftExpContentShow;
}
}
/**
* 改变左侧菜单收缩状态
*
* @param {boolean} [bool]
* @memberof UIStateService
*/
public leftNavMenuCollapseChange(bool?: boolean): void {
if (bool !== undefined) {
this.layoutState.leftNavMenuCollapse = bool;
} else {
this.layoutState.leftNavMenuCollapse = !this.layoutState.leftNavMenuCollapse;
}
}
/**
* 是否为Style2模式
*
* @returns {boolean}
* @memberof UIStateService
*/
public isStyle2(): boolean {
return this.layoutState.styleMode === 'STYLE2';
}
/**
* 注册事件
*
* @param {string} [eventName]
* @return {*} {Observable<any>}
* @memberof UIStateService
*/
on(eventName?: string): Observable<any> {
return this.events.asObservable();
}
}