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/* jshint esversion: 2024, module: true */
import { ThemeMode } from "./enums.js";
/**
* Static Theme Utilities
* @class ThemeUtils
*/
class ThemeUtils {
/**
* Get theme from localStorage
* @static
* @returns {Symbol} Theme mode
*/
static getStoredTheme() {
const stored = localStorage.getItem("network-ui-theme");
return stored === "light" ? ThemeMode.LIGHT : ThemeMode.DARK;
}
/**
* Store theme in localStorage
* @static
* @param {Symbol} theme - Theme mode
*/
static storeTheme(theme) {
const themeString = theme === ThemeMode.LIGHT ? "light" : "dark";
localStorage.setItem("network-ui-theme", themeString);
}
/**
* Get theme icon based on theme mode
* @static
* @param {Symbol} theme - Theme mode
* @returns {string} Icon character
*/
static getThemeIcon(theme) {
return theme === ThemeMode.DARK ? "☀️" : "🌙";
}
/**
* Apply theme to document
* @static
* @param {Symbol} theme - Theme mode
*/
static applyThemeToDocument(theme) {
const themeString = theme === ThemeMode.LIGHT ? "light" : "dark";
document.documentElement.setAttribute("data-theme", themeString);
}
/**
* Toggle theme mode
* @static
* @param {Symbol} currentTheme - Current theme mode
* @returns {Symbol} New theme mode
*/
static toggleTheme(currentTheme) {
return currentTheme === ThemeMode.DARK ? ThemeMode.LIGHT : ThemeMode.DARK;
}
}
/**
* Theme Manager for handling light/dark themes
* @class ThemeManager
*/
class ThemeManager {
#elements;
#theme;
/**
* @param {Object} elements - DOM elements
*/
constructor(elements) {
this.#elements = elements;
this.#theme = ThemeMode.DARK;
}
/**
* Initialize theme manager
* @method init
*/
init() {
this.#theme = ThemeUtils.getStoredTheme();
this.#applyTheme(this.#theme);
this.#setupEventListeners();
}
/**
* Set up theme event listeners
* @private
*/
#setupEventListeners() {
this.#elements.themeToggle?.addEventListener("click", () =>
this.#handleThemeToggle(),
);
}
/**
* Handle theme toggle
* @private
*/
#handleThemeToggle() {
const newTheme = ThemeUtils.toggleTheme(this.#theme);
this.#applyTheme(newTheme);
}
/**
* Apply theme to UI
* @private
* @param {Symbol} theme - Theme mode
*/
#applyTheme(theme) {
this.#theme = theme;
// Apply to document
ThemeUtils.applyThemeToDocument(theme);
// Store preference
ThemeUtils.storeTheme(theme);
// Update theme icon
this.#updateThemeIcon();
}
/**
* Update theme icon
* @private
*/
#updateThemeIcon() {
if (this.#elements.themeIcon) {
this.#elements.themeIcon.textContent = ThemeUtils.getThemeIcon(
this.#theme,
);
}
}
/**
* Get current theme
* @method getCurrentTheme
* @returns {Symbol} Current theme mode
*/
getCurrentTheme() {
return this.#theme;
}
/**
* Set theme programmatically
* @method setTheme
* @param {Symbol} theme - Theme mode
*/
setTheme(theme) {
if (theme === ThemeMode.LIGHT || theme === ThemeMode.DARK) {
this.#applyTheme(theme);
} else {
console.warn("Invalid theme mode:", theme);
}
}
/**
* Check if dark theme is active
* @method isDarkTheme
* @returns {boolean} True if dark theme is active
*/
isDarkTheme() {
return this.#theme === ThemeMode.DARK;
}
/**
* Check if light theme is active
* @method isLightTheme
* @returns {boolean} True if light theme is active
*/
isLightTheme() {
return this.#theme === ThemeMode.LIGHT;
}
}
export { ThemeManager, ThemeUtils };
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