Files
nexus-spa/src/app/layout/service/app.layout.service.ts
2023-12-25 15:31:46 +03:00

160 lines
4.2 KiB
TypeScript

import { Injectable, effect, signal } from '@angular/core';
import { Subject } from 'rxjs';
export interface AppConfig {
inputStyle: string;
colorScheme: string;
theme: string;
ripple: boolean;
menuMode: string;
scale: number;
}
interface LayoutState {
staticMenuDesktopInactive: boolean;
overlayMenuActive: boolean;
profileSidebarVisible: boolean;
configSidebarVisible: boolean;
staticMenuMobileActive: boolean;
menuHoverActive: boolean;
}
@Injectable({
providedIn: 'root',
})
export class LayoutService {
_config: AppConfig = {
ripple: false,
inputStyle: 'outlined',
menuMode: 'static',
colorScheme: 'light',
theme: 'lara-light-indigo',
scale: 14,
};
config = signal<AppConfig>(this._config);
state: LayoutState = {
staticMenuDesktopInactive: false,
overlayMenuActive: false,
profileSidebarVisible: false,
configSidebarVisible: false,
staticMenuMobileActive: false,
menuHoverActive: false,
};
private configUpdate = new Subject<AppConfig>();
private overlayOpen = new Subject<any>();
configUpdate$ = this.configUpdate.asObservable();
overlayOpen$ = this.overlayOpen.asObservable();
constructor() {
effect(() => {
const config = this.config();
if (this.updateStyle(config)) {
this.changeTheme();
}
this.changeScale(config.scale);
this.onConfigUpdate();
});
}
updateStyle(config: AppConfig) {
return (
config.theme !== this._config.theme ||
config.colorScheme !== this._config.colorScheme
);
}
onMenuToggle() {
if (this.isOverlay()) {
this.state.overlayMenuActive = !this.state.overlayMenuActive;
if (this.state.overlayMenuActive) {
this.overlayOpen.next(null);
}
}
if (this.isDesktop()) {
this.state.staticMenuDesktopInactive =
!this.state.staticMenuDesktopInactive;
} else {
this.state.staticMenuMobileActive =
!this.state.staticMenuMobileActive;
if (this.state.staticMenuMobileActive) {
this.overlayOpen.next(null);
}
}
}
showProfileSidebar() {
this.state.profileSidebarVisible = !this.state.profileSidebarVisible;
if (this.state.profileSidebarVisible) {
this.overlayOpen.next(null);
}
}
showConfigSidebar() {
this.state.configSidebarVisible = true;
}
isOverlay() {
return this.config().menuMode === 'overlay';
}
isDesktop() {
return window.innerWidth > 991;
}
isMobile() {
return !this.isDesktop();
}
onConfigUpdate() {
this._config = { ...this.config() };
this.configUpdate.next(this.config());
}
changeTheme() {
const config = this.config();
const themeLink = <HTMLLinkElement>document.getElementById('theme-css');
const themeLinkHref = themeLink.getAttribute('href')!;
const newHref = themeLinkHref
.split('/')
.map((el) =>
el == this._config.theme
? (el = config.theme)
: el == `theme-${this._config.colorScheme}`
? (el = `theme-${config.colorScheme}`)
: el
)
.join('/');
this.replaceThemeLink(newHref);
}
replaceThemeLink(href: string) {
const id = 'theme-css';
let themeLink = <HTMLLinkElement>document.getElementById(id);
const cloneLinkElement = <HTMLLinkElement>themeLink.cloneNode(true);
cloneLinkElement.setAttribute('href', href);
cloneLinkElement.setAttribute('id', id + '-clone');
themeLink.parentNode!.insertBefore(
cloneLinkElement,
themeLink.nextSibling
);
cloneLinkElement.addEventListener('load', () => {
themeLink.remove();
cloneLinkElement.setAttribute('id', id);
});
}
changeScale(value: number) {
document.documentElement.style.fontSize = `${value}px`;
}
}