Initial commit: Quality App v2 - FG Scan Module with Reports
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94
app/static/js/theme.js
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94
app/static/js/theme.js
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/**
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* Theme Toggle - Light/Dark Mode
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* Persists user preference in localStorage
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*/
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class ThemeToggle {
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constructor() {
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this.STORAGE_KEY = 'quality-app-theme';
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this.DARK_THEME = 'dark';
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this.LIGHT_THEME = 'light';
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this.init();
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}
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init() {
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// Load saved theme or default to light
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const savedTheme = localStorage.getItem(this.STORAGE_KEY) || this.LIGHT_THEME;
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this.setTheme(savedTheme);
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// Setup toggle button listener
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this.setupToggleButton();
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console.log('Theme initialized:', savedTheme);
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}
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setTheme(theme) {
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const isDark = theme === this.DARK_THEME;
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if (isDark) {
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document.body.setAttribute('data-theme', 'dark');
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document.documentElement.setAttribute('data-theme', 'dark');
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localStorage.setItem(this.STORAGE_KEY, this.DARK_THEME);
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console.log('Dark theme set');
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} else {
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document.body.setAttribute('data-theme', 'light');
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document.documentElement.setAttribute('data-theme', 'light');
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localStorage.setItem(this.STORAGE_KEY, this.LIGHT_THEME);
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console.log('Light theme set');
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}
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// Update toggle button icon
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this.updateToggleIcon(isDark);
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}
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getCurrentTheme() {
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return document.body.getAttribute('data-theme') || this.LIGHT_THEME;
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}
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toggleTheme() {
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const currentTheme = this.getCurrentTheme();
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const newTheme = currentTheme === this.DARK_THEME ? this.LIGHT_THEME : this.DARK_THEME;
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console.log('Toggling from', currentTheme, 'to', newTheme);
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this.setTheme(newTheme);
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}
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setupToggleButton() {
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const toggleBtn = document.getElementById('themeToggleBtn');
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if (toggleBtn) {
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toggleBtn.addEventListener('click', (e) => {
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e.preventDefault();
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this.toggleTheme();
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});
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console.log('Theme toggle button setup complete');
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} else {
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console.error('Theme toggle button not found');
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}
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}
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updateToggleIcon(isDark) {
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const toggleBtn = document.getElementById('themeToggleBtn');
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if (toggleBtn) {
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const icon = toggleBtn.querySelector('i');
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if (icon) {
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if (isDark) {
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icon.classList.remove('fa-moon');
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icon.classList.add('fa-sun');
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toggleBtn.setAttribute('title', 'Switch to Light Mode');
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} else {
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icon.classList.remove('fa-sun');
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icon.classList.add('fa-moon');
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toggleBtn.setAttribute('title', 'Switch to Dark Mode');
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}
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}
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}
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}
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}
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// Initialize theme toggle when DOM is loaded
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if (document.readyState === 'loading') {
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document.addEventListener('DOMContentLoaded', () => {
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new ThemeToggle();
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});
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} else {
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new ThemeToggle();
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}
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