mirror of
https://github.com/BetterSEQTA/BetterSEQTA-Plus.git
synced 2026-06-06 11:44:40 +00:00
feat: build themes into a centralised plugin
This commit is contained in:
SethBurkart123
@@ -0,0 +1,54 @@
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import type { Plugin } from '../../core/types';
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import { BasePlugin, BooleanSetting } from '../../core/settings';
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import { ThemeManager } from './theme-manager';
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// Define only the typed settings - no need for redundant interface
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class ThemePluginClass extends BasePlugin {
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@BooleanSetting({
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default: true,
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title: "Themes",
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description: "Adds a theme selector to the settings page"
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})
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enabled!: boolean;
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}
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// Create an instance to extract settings
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const settingsInstance = new ThemePluginClass();
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const themesPlugin: Plugin<typeof settingsInstance.settings> = {
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id: 'themes',
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name: 'Themes',
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description: 'Adds a theme selector to the settings page',
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version: '1.0.0',
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settings: settingsInstance.settings,
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run: async (api) => {
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console.debug('[ThemesPlugin] Starting plugin');
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const themeManager = ThemeManager.getInstance();
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if (api.settings.enabled) {
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console.debug('[ThemesPlugin] Plugin enabled, initializing theme manager');
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await themeManager.initialize();
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}
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const enabledCallback = (value: string | number | boolean) => {
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console.debug('[ThemesPlugin] Enabled setting changed:', value);
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if (value === true) {
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console.debug('[ThemesPlugin] Plugin enabled, initializing theme manager');
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void themeManager.initialize();
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} else if (value === false) {
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console.debug('[ThemesPlugin] Plugin disabled, cleaning up theme manager');
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void themeManager.cleanup();
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}
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}
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api.settings.onChange('enabled', enabledCallback);
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return () => {
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console.debug('[ThemesPlugin] Plugin cleanup');
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api.settings.offChange('enabled', enabledCallback);
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void themeManager.cleanup();
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}
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}
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};
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export default themesPlugin;
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@@ -0,0 +1,644 @@
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import localforage from 'localforage';
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import type { CustomTheme, LoadedCustomTheme } from '@/types/CustomThemes';
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import { settingsState } from '@/seqta/utils/listeners/SettingsState';
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type ThemeContent = {
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id: string;
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name: string;
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coverImage: string; // base64
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description: string;
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defaultColour: string;
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CanChangeColour: boolean;
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CustomCSS: string;
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hideThemeName: boolean;
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images: { id: string, variableName: string, data: string }[]; // data: base64
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};
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export class ThemeManager {
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private static instance: ThemeManager;
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private currentTheme: CustomTheme | null = null;
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private styleElement: HTMLStyleElement | null = null;
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private previewStyleElement: HTMLStyleElement | null = null;
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private previousImageVariableNames: string[] = [];
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private originalPreviewColor: string | null = null;
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private originalPreviewTheme: boolean | null = null;
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private imageUrlCache: Map<string, string> = new Map();
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private constructor() {
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console.debug('[ThemeManager] Initializing...');
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}
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public static getInstance(): ThemeManager {
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if (!ThemeManager.instance) {
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ThemeManager.instance = new ThemeManager();
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}
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return ThemeManager.instance;
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}
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/**
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* Get the currently active theme
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*/
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public getCurrentTheme(): CustomTheme | null {
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return this.currentTheme;
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}
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/**
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* Get a theme by ID from storage
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*/
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public async getTheme(themeId: string): Promise<CustomTheme | null> {
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console.debug('[ThemeManager] Getting theme:', themeId);
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try {
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const theme = await localforage.getItem(themeId) as CustomTheme;
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return theme;
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} catch (error) {
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console.error('[ThemeManager] Error getting theme:', error);
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return null;
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}
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}
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/**
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* Get the ID of the currently selected theme
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*/
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public getSelectedThemeId(): string {
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return settingsState.selectedTheme;
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}
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/**
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* Disable the current theme without deleting it
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*/
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public async disableTheme(): Promise<void> {
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console.debug('[ThemeManager] Disabling current theme');
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try {
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if (!this.currentTheme) {
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console.debug('[ThemeManager] No theme to disable');
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return;
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}
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await this.removeTheme(this.currentTheme);
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this.currentTheme = null;
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settingsState.selectedTheme = '';
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console.debug('[ThemeManager] Theme disabled successfully');
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} catch (error) {
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console.error('[ThemeManager] Error disabling theme:', error);
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}
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}
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/**
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* Initialize the theme system and restore previous state
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*/
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public async initialize(): Promise<void> {
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console.debug('[ThemeManager] Starting initialization');
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try {
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if (settingsState.selectedTheme) {
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console.debug('[ThemeManager] Found selected theme, restoring:', settingsState.selectedTheme);
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await this.setTheme(settingsState.selectedTheme);
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}
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} catch (error) {
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console.error('[ThemeManager] Error during initialization:', error);
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}
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}
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/**
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* Clean up theme system resources
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*/
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public async cleanup(): Promise<void> {
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console.debug('[ThemeManager] Cleaning up resources');
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try {
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if (this.currentTheme) {
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await this.removeTheme(this.currentTheme);
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}
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} catch (error) {
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console.error('[ThemeManager] Error during cleanup:', error);
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}
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}
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/**
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* Set and apply a theme by ID
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*/
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public async setTheme(themeId: string): Promise<void> {
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console.debug('[ThemeManager] Setting theme:', themeId);
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try {
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const theme = await localforage.getItem(themeId) as CustomTheme;
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if (!theme) {
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console.error('[ThemeManager] Theme not found:', themeId);
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return;
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}
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// Store original settings before applying new theme
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if (!settingsState.selectedTheme) {
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console.debug('[ThemeManager] Storing original settings');
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settingsState.originalSelectedColor = settingsState.selectedColor;
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settingsState.originalDarkMode = settingsState.DarkMode;
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}
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// Remove current theme if exists
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if (this.currentTheme) {
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console.debug('[ThemeManager] Removing current theme');
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await this.removeTheme(this.currentTheme);
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}
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// Apply new theme
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await this.applyTheme(theme);
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this.currentTheme = theme;
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settingsState.selectedTheme = themeId;
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} catch (error) {
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console.error('[ThemeManager] Error setting theme:', error);
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}
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}
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/**
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* Apply theme components (CSS, images, settings)
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*/
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private async applyTheme(theme: CustomTheme): Promise<void> {
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console.debug('[ThemeManager] Applying theme:', theme.name);
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try {
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// Apply custom CSS
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if (theme.CustomCSS) {
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console.debug('[ThemeManager] Applying custom CSS');
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this.applyCustomCSS(theme.CustomCSS);
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}
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// Apply custom images
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if (theme.CustomImages) {
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console.debug('[ThemeManager] Applying custom images');
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theme.CustomImages.forEach((image) => {
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const imageUrl = URL.createObjectURL(image.blob);
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document.documentElement.style.setProperty('--' + image.variableName, `url(${imageUrl})`);
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});
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}
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// Apply theme settings
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if (theme.forceDark !== undefined) {
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console.debug('[ThemeManager] Setting dark mode:', theme.forceDark);
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settingsState.DarkMode = theme.forceDark;
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}
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if (theme.defaultColour) {
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console.debug('[ThemeManager] Setting color:', theme.defaultColour);
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settingsState.selectedColor = theme.defaultColour;
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}
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} catch (error) {
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console.error('[ThemeManager] Error applying theme:', error);
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}
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}
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/**
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* Remove theme and restore original settings
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*/
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private async removeTheme(theme: CustomTheme): Promise<void> {
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console.debug('[ThemeManager] Removing theme:', theme.name);
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try {
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// Remove custom CSS
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if (this.styleElement) {
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console.debug('[ThemeManager] Removing custom CSS');
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this.styleElement.remove();
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this.styleElement = null;
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}
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// Remove custom images
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if (theme.CustomImages) {
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console.debug('[ThemeManager] Removing custom images');
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theme.CustomImages.forEach((image) => {
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const value = document.documentElement.style.getPropertyValue('--' + image.variableName);
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if (value) {
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URL.revokeObjectURL(value.slice(4, -1)); // Remove url() wrapper
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}
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document.documentElement.style.removeProperty('--' + image.variableName);
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});
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}
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// Restore original settings
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if (settingsState.originalSelectedColor) {
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console.debug('[ThemeManager] Restoring original color:', settingsState.originalSelectedColor);
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settingsState.selectedColor = settingsState.originalSelectedColor;
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}
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if (settingsState.originalDarkMode !== undefined) {
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console.debug('[ThemeManager] Restoring original dark mode:', settingsState.originalDarkMode);
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settingsState.DarkMode = settingsState.originalDarkMode;
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settingsState.originalDarkMode = undefined;
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}
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this.currentTheme = null;
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settingsState.selectedTheme = '';
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} catch (error) {
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console.error('[ThemeManager] Error removing theme:', error);
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}
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}
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/**
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* Apply custom CSS to the document
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*/
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private applyCustomCSS(css: string): void {
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console.debug('[ThemeManager] Applying custom CSS');
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try {
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if (!this.styleElement) {
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this.styleElement = document.createElement('style');
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this.styleElement.id = 'custom-theme';
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document.head.appendChild(this.styleElement);
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}
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this.styleElement.textContent = css;
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} catch (error) {
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console.error('[ThemeManager] Error applying custom CSS:', error);
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}
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}
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/**
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* Get list of available themes
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*/
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public async getAvailableThemes(): Promise<CustomTheme[]> {
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console.debug('[ThemeManager] Getting available themes');
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try {
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const themeIds = await localforage.getItem('customThemes') as string[] | null;
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if (!themeIds) {
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return [];
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}
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const themes = await Promise.all(
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themeIds.map(async (id) => {
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return await localforage.getItem(id) as CustomTheme;
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})
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);
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return themes.filter(theme => theme !== null);
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} catch (error) {
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console.error('[ThemeManager] Error getting available themes:', error);
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return [];
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}
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}
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/**
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* Save or update a theme
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*/
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public async saveTheme(theme: LoadedCustomTheme): Promise<void> {
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console.debug('[ThemeManager] Saving theme:', theme.name);
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try {
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await localforage.setItem(theme.id, theme);
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const themeIds = await localforage.getItem('customThemes') as string[] | null;
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if (themeIds) {
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if (!themeIds.includes(theme.id)) {
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themeIds.push(theme.id);
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await localforage.setItem('customThemes', themeIds);
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}
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} else {
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await localforage.setItem('customThemes', [theme.id]);
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}
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} catch (error) {
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console.error('[ThemeManager] Error saving theme:', error);
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}
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}
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/**
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* Delete a theme
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*/
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public async deleteTheme(themeId: string): Promise<void> {
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console.debug('[ThemeManager] Deleting theme:', themeId);
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try {
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const theme = await localforage.getItem(themeId) as CustomTheme;
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if (theme) {
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if (this.currentTheme?.id === themeId) {
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await this.removeTheme(theme);
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}
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await localforage.removeItem(themeId);
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const themeIds = await localforage.getItem('customThemes') as string[] | null;
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if (themeIds) {
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const updatedThemeIds = themeIds.filter(id => id !== themeId);
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await localforage.setItem('customThemes', updatedThemeIds);
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}
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}
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} catch (error) {
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console.error('[ThemeManager] Error deleting theme:', error);
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}
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}
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/**
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* Download and install a theme from the store
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*/
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public async downloadTheme(themeContent: { id: string; name: string; description: string; coverImage: string; }): Promise<void> {
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console.debug('[ThemeManager] Downloading theme:', themeContent.name);
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try {
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if (!themeContent.id) return;
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const response = await fetch(`https://raw.githubusercontent.com/BetterSEQTA/BetterSEQTA-Themes/main/store/themes/${themeContent.id}/theme.json`);
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const themeData = await response.json() as ThemeContent;
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await this.installTheme(themeData);
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} catch (error) {
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console.error('[ThemeManager] Error downloading theme:', error);
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}
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}
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/**
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* Install a theme from theme data
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*/
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public async installTheme(themeData: ThemeContent): Promise<void> {
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console.debug('[ThemeManager] Installing theme:', themeData.name);
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try {
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const strippedCoverImage = this.stripBase64Prefix(themeData.coverImage);
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const coverImageBlob = this.base64ToBlob(strippedCoverImage);
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const images = themeData.images.map((image) => ({
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...image,
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blob: this.base64ToBlob(this.stripBase64Prefix(image.data))
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}));
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const theme: LoadedCustomTheme = {
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...themeData,
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webURL: themeData.id,
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coverImage: coverImageBlob,
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CustomImages: images.map((image) => ({
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id: image.id,
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variableName: image.variableName,
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blob: image.blob
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})),
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allowBackgrounds: true, // Default to allowing backgrounds
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isEditable: false // Downloaded themes are not editable by default
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};
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await this.saveTheme(theme);
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} catch (error) {
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console.error('[ThemeManager] Error installing theme:', error);
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}
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}
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/**
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* Share a theme by exporting it
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*/
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public async shareTheme(themeId: string): Promise<void> {
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console.debug('[ThemeManager] Sharing theme:', themeId);
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try {
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const theme = await localforage.getItem(themeId) as LoadedCustomTheme;
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if (!theme) {
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console.error('[ThemeManager] Theme not found');
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return;
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}
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const { CustomImages = [], coverImage, ...themeWithoutImages } = theme;
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// Convert images to base64
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const finalImages = await Promise.all(CustomImages.map(async (image) => ({
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id: image.id,
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variableName: image.variableName,
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data: await this.blobToBase64(image.blob)
|
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})));
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||||
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// Convert cover image to base64
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const coverImageBase64 = coverImage ? await this.blobToBase64(coverImage) : null;
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// Create shareable theme data
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const shareableTheme = {
|
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...themeWithoutImages,
|
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images: finalImages,
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coverImage: coverImageBase64
|
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};
|
||||
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||||
// Save theme file
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this.saveThemeFile(shareableTheme, theme.name || 'Unnamed_Theme');
|
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} catch (error) {
|
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console.error('[ThemeManager] Error sharing theme:', error);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Preview a theme without applying it
|
||||
*/
|
||||
public async previewTheme(theme: LoadedCustomTheme): Promise<void> {
|
||||
console.debug('[ThemeManager] Previewing theme:', theme.name);
|
||||
try {
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||||
const { CustomCSS, CustomImages, defaultColour, forceDark } = theme;
|
||||
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||||
// Store original settings if not already stored
|
||||
if (this.originalPreviewColor === null) {
|
||||
this.originalPreviewColor = settingsState.selectedColor;
|
||||
}
|
||||
if (this.originalPreviewTheme === null) {
|
||||
this.originalPreviewTheme = settingsState.DarkMode;
|
||||
}
|
||||
|
||||
// Apply custom CSS
|
||||
if (CustomCSS) {
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this.applyPreviewCSS(CustomCSS);
|
||||
}
|
||||
|
||||
// Apply custom images
|
||||
const newImageVariableNames = CustomImages.map(image => image.variableName);
|
||||
|
||||
// Remove old preview images
|
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this.previousImageVariableNames.forEach(variableName => {
|
||||
if (!newImageVariableNames.includes(variableName)) {
|
||||
this.removeImageFromDocument(variableName);
|
||||
}
|
||||
});
|
||||
|
||||
// Apply new images
|
||||
CustomImages.forEach((image) => {
|
||||
const imageUrl = URL.createObjectURL(image.blob);
|
||||
document.documentElement.style.setProperty(`--${image.variableName}`, `url(${imageUrl})`);
|
||||
});
|
||||
|
||||
// Update previousImageVariableNames
|
||||
this.previousImageVariableNames = newImageVariableNames;
|
||||
|
||||
// Apply theme settings
|
||||
if (forceDark !== undefined) {
|
||||
settingsState.DarkMode = forceDark;
|
||||
}
|
||||
if (defaultColour) {
|
||||
settingsState.selectedColor = defaultColour;
|
||||
}
|
||||
} catch (error) {
|
||||
console.error('[ThemeManager] Error previewing theme:', error);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Update the preview of a theme in real-time (for theme creator)
|
||||
*/
|
||||
public async updatePreview(theme: Partial<LoadedCustomTheme>): Promise<void> {
|
||||
console.debug('[ThemeManager] Updating theme preview');
|
||||
try {
|
||||
// Store original settings if not already stored
|
||||
if (this.originalPreviewColor === null) {
|
||||
this.originalPreviewColor = settingsState.selectedColor;
|
||||
}
|
||||
if (this.originalPreviewTheme === null) {
|
||||
this.originalPreviewTheme = settingsState.DarkMode;
|
||||
}
|
||||
|
||||
// Apply CSS if changed
|
||||
if (theme.CustomCSS !== undefined) {
|
||||
this.applyPreviewCSS(theme.CustomCSS);
|
||||
}
|
||||
|
||||
// Handle images if present
|
||||
if (theme.CustomImages) {
|
||||
const newImageVariableNames = theme.CustomImages.map(image => image.variableName);
|
||||
|
||||
// Remove old preview images that are no longer present
|
||||
this.previousImageVariableNames.forEach(variableName => {
|
||||
if (!newImageVariableNames.includes(variableName)) {
|
||||
this.removeImageFromDocument(variableName);
|
||||
// Clean up cached URL
|
||||
this.imageUrlCache.delete(variableName);
|
||||
}
|
||||
});
|
||||
|
||||
// Apply or update images
|
||||
theme.CustomImages.forEach((image) => {
|
||||
const existingUrl = this.imageUrlCache.get(image.variableName);
|
||||
if (!existingUrl) {
|
||||
// Only create new URL if one doesn't exist
|
||||
const imageUrl = URL.createObjectURL(image.blob);
|
||||
this.imageUrlCache.set(image.variableName, imageUrl);
|
||||
document.documentElement.style.setProperty(`--${image.variableName}`, `url(${imageUrl})`);
|
||||
} else {
|
||||
// Reuse existing URL
|
||||
document.documentElement.style.setProperty(`--${image.variableName}`, `url(${existingUrl})`);
|
||||
}
|
||||
});
|
||||
|
||||
this.previousImageVariableNames = newImageVariableNames;
|
||||
}
|
||||
|
||||
// Update theme settings
|
||||
if (theme.forceDark !== undefined) {
|
||||
settingsState.DarkMode = theme.forceDark;
|
||||
}
|
||||
if (theme.defaultColour) {
|
||||
settingsState.selectedColor = theme.defaultColour;
|
||||
}
|
||||
} catch (error) {
|
||||
console.error('[ThemeManager] Error updating theme preview:', error);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Clear theme preview
|
||||
*/
|
||||
public clearPreview(): void {
|
||||
console.debug('[ThemeManager] Clearing theme preview');
|
||||
try {
|
||||
// Remove preview images and revoke URLs
|
||||
this.previousImageVariableNames.forEach(variableName => {
|
||||
this.removeImageFromDocument(variableName);
|
||||
});
|
||||
// Clear all cached URLs
|
||||
this.imageUrlCache.forEach(url => URL.revokeObjectURL(url));
|
||||
this.imageUrlCache.clear();
|
||||
this.previousImageVariableNames = [];
|
||||
|
||||
// Remove preview CSS
|
||||
if (this.previewStyleElement) {
|
||||
this.previewStyleElement.remove();
|
||||
this.previewStyleElement = null;
|
||||
}
|
||||
|
||||
// Restore original settings
|
||||
if (this.originalPreviewColor !== null) {
|
||||
settingsState.selectedColor = this.originalPreviewColor;
|
||||
this.originalPreviewColor = null;
|
||||
}
|
||||
if (this.originalPreviewTheme !== null) {
|
||||
settingsState.DarkMode = this.originalPreviewTheme;
|
||||
this.originalPreviewTheme = null;
|
||||
}
|
||||
} catch (error) {
|
||||
console.error('[ThemeManager] Error clearing preview:', error);
|
||||
}
|
||||
}
|
||||
|
||||
// Utility methods
|
||||
private stripBase64Prefix(base64String: string): string {
|
||||
if (!base64String) return '';
|
||||
|
||||
const prefixRegex = /^data:[^;]+;base64,/;
|
||||
try {
|
||||
return prefixRegex.test(base64String) ? base64String.replace(prefixRegex, '') : base64String;
|
||||
} catch(err) {
|
||||
console.error('[ThemeManager] Error stripping base64 prefix:', err);
|
||||
return '';
|
||||
}
|
||||
}
|
||||
|
||||
private base64ToBlob(base64: string): Blob {
|
||||
try {
|
||||
const byteString = atob(base64);
|
||||
const ab = new ArrayBuffer(byteString.length);
|
||||
const ia = new Uint8Array(ab);
|
||||
|
||||
for (let i = 0; i < byteString.length; i++) {
|
||||
ia[i] = byteString.charCodeAt(i);
|
||||
}
|
||||
|
||||
return new Blob([ab], { type: 'image/png' });
|
||||
} catch(err) {
|
||||
console.error('[ThemeManager] Error converting base64 to blob:', err);
|
||||
return new Blob();
|
||||
}
|
||||
}
|
||||
|
||||
private async blobToBase64(blob: Blob): Promise<string> {
|
||||
return new Promise((resolve, reject) => {
|
||||
const reader = new FileReader();
|
||||
reader.onloadend = () => {
|
||||
const base64String = reader.result as string;
|
||||
const base64Data = base64String.split(',')[1];
|
||||
resolve(base64Data);
|
||||
};
|
||||
reader.onerror = reject;
|
||||
reader.readAsDataURL(blob);
|
||||
});
|
||||
}
|
||||
|
||||
private saveThemeFile(data: object, fileName: string): void {
|
||||
try {
|
||||
const fileData = JSON.stringify(data, null, 2);
|
||||
const blob = new Blob([fileData], { type: 'application/json' });
|
||||
const url = URL.createObjectURL(blob);
|
||||
const a = document.createElement('a');
|
||||
a.href = url;
|
||||
a.download = `${fileName}.theme.json`;
|
||||
document.body.appendChild(a);
|
||||
a.click();
|
||||
document.body.removeChild(a);
|
||||
URL.revokeObjectURL(url);
|
||||
} catch(err) {
|
||||
console.error('[ThemeManager] Error saving theme file:', err);
|
||||
}
|
||||
}
|
||||
|
||||
private removeImageFromDocument(variableName: string): void {
|
||||
try {
|
||||
const value = document.documentElement.style.getPropertyValue('--' + variableName);
|
||||
if (value) {
|
||||
const url = this.imageUrlCache.get(variableName);
|
||||
if (url) {
|
||||
URL.revokeObjectURL(url);
|
||||
this.imageUrlCache.delete(variableName);
|
||||
}
|
||||
}
|
||||
document.documentElement.style.removeProperty('--' + variableName);
|
||||
} catch(err) {
|
||||
console.error('[ThemeManager] Error removing image from document:', err);
|
||||
}
|
||||
}
|
||||
|
||||
private applyPreviewCSS(css: string): void {
|
||||
console.debug('[ThemeManager] Applying preview CSS');
|
||||
try {
|
||||
if (!this.previewStyleElement) {
|
||||
this.previewStyleElement = document.createElement('style');
|
||||
this.previewStyleElement.id = 'custom-theme-preview';
|
||||
document.head.appendChild(this.previewStyleElement);
|
||||
}
|
||||
this.previewStyleElement.textContent = css;
|
||||
} catch (error) {
|
||||
console.error('[ThemeManager] Error applying preview CSS:', error);
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -3,6 +3,7 @@ import { PluginManager } from './core/manager';
|
||||
// plugins
|
||||
import timetablePlugin from './built-in/timetable';
|
||||
import notificationCollectorPlugin from './built-in/notificationCollector';
|
||||
import themesPlugin from './built-in/themes';
|
||||
|
||||
// Initialize plugin manager
|
||||
const pluginManager = PluginManager.getInstance();
|
||||
@@ -10,6 +11,7 @@ const pluginManager = PluginManager.getInstance();
|
||||
// Register built-in plugins
|
||||
pluginManager.registerPlugin(timetablePlugin);
|
||||
pluginManager.registerPlugin(notificationCollectorPlugin);
|
||||
pluginManager.registerPlugin(themesPlugin);
|
||||
//pluginManager.registerPlugin(testPlugin);
|
||||
|
||||
// Legacy plugin exports
|
||||
|
||||
Reference in New Issue
Block a user