b5b3e60e81
- Fixes white page at 'legalnotice' and 'privacypolicy'
- Fixes the button to collapse the sidenav
- Fixes a too long text in the headbar
- Reworked the login data service:
* make order of operations clear
* prevent setting invalid data into the storage
81 lines
2.5 KiB
TypeScript
81 lines
2.5 KiB
TypeScript
import { Injectable } from '@angular/core';
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import { LoginDataService } from './login-data.service';
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/**
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* Service to set the theme for OpenSlides.
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*/
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@Injectable({
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providedIn: 'root'
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})
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export class ThemeService {
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/**
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* Constant, that describes the default theme class.
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*/
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public static DEFAULT_THEME = 'openslides-theme';
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/**
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* Constant path of the logo with dark colors for bright themes.
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*/
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public static STANDARD_LOGO = '/assets/img/openslides-logo.svg';
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/**
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* Constant path of the logo with white colors for dark themes.
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*/
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public static STANDARD_LOGO_DARK_THEME = '/assets/img/openslides-logo-dark.svg';
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/**
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* Holds the current theme as member.
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*/
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private currentTheme: string;
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/**
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* Here it will subscribe to the observer from login data service. The stheme is part of
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* the login data, so get it from there and not from the config. This service will
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* also cache the theme and provide the right theme on login.
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*
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* @param loginDataService must be injected to get the theme.
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*/
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public constructor(loginDataService: LoginDataService) {
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loginDataService.theme.subscribe(newTheme => {
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if (!newTheme) {
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return;
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}
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this.changeTheme(newTheme);
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});
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}
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/**
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* Function to change the theme and ensures, that old themes are removed.
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*
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* @param theme The theme which is applied.
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*/
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private changeTheme(theme: string): void {
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this.currentTheme = theme;
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const classList = document.getElementsByTagName('body')[0].classList; // Get the classlist of the body.
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const toRemove = Array.from(classList).filter((item: string) => item.includes('theme'));
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if (toRemove.length) {
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classList.remove(...toRemove); // Remove all old themes.
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}
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classList.add(theme, ThemeService.DEFAULT_THEME); // Add the new theme.
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}
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/**
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* Returns the logo relative to the used theme.
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*
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* @param shouldDefault If this method should return the default logo.
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*
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* @returns the path to the logo.
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*/
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public getLogoRelativeToTheme(shouldDefault?: boolean): string {
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if (this.currentTheme) {
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return this.currentTheme.includes('dark') && !shouldDefault
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? ThemeService.STANDARD_LOGO_DARK_THEME
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: ThemeService.STANDARD_LOGO;
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} else {
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return null;
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}
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}
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}
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