Initial Codes
This commit is contained in:
NguyenND
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/**
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* Main JavaScript functionality for QR Code Management System
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* static/js/script.js
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*/
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// Global configuration
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const QRManager = {
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config: {
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modalCloseDelay: 300,
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searchDelay: 300,
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animationDuration: 300,
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toastDuration: 5000,
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},
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// Utility functions
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utils: {
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// Show toast notification
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showToast(message, type = "info") {
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const toast = document.createElement("div");
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toast.className = `toast toast-${type}`;
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toast.innerHTML = `
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<div class="toast-content">
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<i class="fas ${this.getToastIcon(type)}"></i>
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<span>${message}</span>
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<button onclick="this.parentElement.parentElement.remove()" class="toast-close">
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<i class="fas fa-times"></i>
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</button>
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</div>
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`;
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document.body.appendChild(toast);
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// Auto remove after delay
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setTimeout(() => {
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if (toast.parentElement) {
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toast.remove();
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}
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}, QRManager.config.toastDuration);
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},
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getToastIcon(type) {
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const icons = {
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success: "fa-check-circle",
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error: "fa-exclamation-circle",
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warning: "fa-exclamation-triangle",
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info: "fa-info-circle",
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};
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return icons[type] || icons.info;
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},
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// Debounce function
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debounce(func, wait) {
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let timeout;
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return function executedFunction(...args) {
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const later = () => {
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clearTimeout(timeout);
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func(...args);
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};
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clearTimeout(timeout);
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timeout = setTimeout(later, wait);
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};
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},
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// Format date
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formatDate(dateString) {
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const date = new Date(dateString);
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return date.toLocaleDateString("en-US", {
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year: "numeric",
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month: "short",
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day: "numeric",
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});
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},
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// Format time
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formatTime(dateString) {
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const date = new Date(dateString);
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return date.toLocaleTimeString("en-US", {
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hour: "2-digit",
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minute: "2-digit",
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});
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},
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},
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};
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// Navigation functionality
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class NavigationManager {
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constructor() {
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this.initMobileMenu();
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this.initDropdowns();
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}
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initMobileMenu() {
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const mobileMenuBtn = document.getElementById("mobile-menu");
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const navMenu = document.getElementById("navMenu");
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if (mobileMenuBtn && navMenu) {
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mobileMenuBtn.addEventListener("click", () => {
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mobileMenuBtn.classList.toggle("active");
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navMenu.classList.toggle("active");
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});
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// Close menu when clicking nav links
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const navLinks = navMenu.querySelectorAll(".nav-link");
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navLinks.forEach((link) => {
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link.addEventListener("click", () => {
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mobileMenuBtn.classList.remove("active");
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navMenu.classList.remove("active");
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});
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});
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}
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}
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initDropdowns() {
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const dropdowns = document.querySelectorAll(".dropdown");
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dropdowns.forEach((dropdown) => {
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const trigger = dropdown.querySelector(".dropdown-trigger");
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const menu = dropdown.querySelector(".dropdown-menu");
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if (trigger && menu) {
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trigger.addEventListener("click", (e) => {
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e.stopPropagation();
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this.toggleDropdown(dropdown);
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});
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}
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});
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// Close dropdowns when clicking outside
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document.addEventListener("click", () => {
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this.closeAllDropdowns();
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});
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}
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toggleDropdown(dropdown) {
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const menu = dropdown.querySelector(".dropdown-menu");
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const isOpen = menu.classList.contains("show");
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this.closeAllDropdowns();
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if (!isOpen) {
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menu.classList.add("show");
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}
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}
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closeAllDropdowns() {
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const openMenus = document.querySelectorAll(".dropdown-menu.show");
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openMenus.forEach((menu) => {
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menu.classList.remove("show");
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});
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}
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}
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// Modal management
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class ModalManager {
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constructor() {
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this.initModals();
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}
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initModals() {
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const modals = document.querySelectorAll(".modal");
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modals.forEach((modal) => {
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// Close button functionality
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const closeBtn = modal.querySelector(".modal-close");
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if (closeBtn) {
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closeBtn.addEventListener("click", () => this.closeModal(modal));
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}
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// Click outside to close
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modal.addEventListener("click", (e) => {
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if (e.target === modal) {
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this.closeModal(modal);
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}
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});
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});
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// Escape key to close all modals
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document.addEventListener("keydown", (e) => {
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if (e.key === "Escape") {
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this.closeAllModals();
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}
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});
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}
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closeModal(modal) {
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modal.classList.remove("show");
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setTimeout(() => {
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modal.style.display = "none";
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}, QRManager.config.modalCloseDelay);
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}
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closeAllModals() {
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const openModals = document.querySelectorAll('.modal[style*="flex"]');
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openModals.forEach((modal) => this.closeModal(modal));
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}
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openModal(modalId) {
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const modal = document.getElementById(modalId);
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if (modal) {
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modal.style.display = "flex";
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setTimeout(() => {
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modal.classList.add("show");
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}, 10);
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}
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}
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}
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// Search functionality
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class SearchManager {
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constructor(searchInputId, resultsContainerId) {
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this.searchInput = document.getElementById(searchInputId);
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this.resultsContainer = document.getElementById(resultsContainerId);
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this.originalItems = [];
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if (this.searchInput && this.resultsContainer) {
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this.init();
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}
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}
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init() {
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// Store original items
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this.originalItems = Array.from(this.resultsContainer.children);
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// Add search event listener with debouncing
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this.searchInput.addEventListener(
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"input",
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QRManager.utils.debounce(
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() => this.performSearch(),
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QRManager.config.searchDelay
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)
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);
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}
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performSearch() {
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const searchTerm = this.searchInput.value.toLowerCase().trim();
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this.originalItems.forEach((item) => {
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const searchableText = this.getSearchableText(item);
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const matches = searchableText.includes(searchTerm);
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if (matches || searchTerm === "") {
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this.showItem(item);
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} else {
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this.hideItem(item);
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}
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});
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this.updateResultsCount();
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}
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getSearchableText(item) {
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// Get text content from data attributes or text content
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const name = item.dataset.name || "";
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const location = item.dataset.location || "";
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const textContent = item.textContent || "";
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return (name + " " + location + " " + textContent).toLowerCase();
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}
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showItem(item) {
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item.style.display = "block";
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item.classList.remove("fade-out");
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item.classList.add("fade-in");
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}
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hideItem(item) {
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item.classList.remove("fade-in");
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item.classList.add("fade-out");
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setTimeout(() => {
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if (item.classList.contains("fade-out")) {
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item.style.display = "none";
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}
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}, QRManager.config.animationDuration);
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}
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updateResultsCount() {
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const visibleItems = this.originalItems.filter(
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(item) => item.style.display !== "none"
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);
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const counter = document.querySelector(".results-counter");
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if (counter) {
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counter.textContent = `${visibleItems.length} results`;
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}
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}
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}
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// Download functionality
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class DownloadManager {
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static downloadQR(base64Image, filename) {
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try {
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const link = document.createElement("a");
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link.href = "data:image/png;base64," + base64Image;
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link.download =
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filename.replace(/[^a-z0-9]/gi, "_").toLowerCase() + "_qr_code.png";
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document.body.appendChild(link);
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link.click();
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document.body.removeChild(link);
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QRManager.utils.showToast("QR code downloaded successfully!", "success");
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} catch (error) {
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console.error("Download error:", error);
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QRManager.utils.showToast("Failed to download QR code", "error");
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}
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}
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static downloadModalQR() {
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if (window.currentModalQR) {
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const base64Data = window.currentModalQR.image.split("base64,")[1];
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this.downloadQR(base64Data, window.currentModalQR.name);
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}
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}
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}
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// Theme management
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class ThemeManager {
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constructor() {
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this.initThemeToggle();
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this.loadSavedTheme();
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}
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initThemeToggle() {
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const themeToggle = document.getElementById("themeToggle");
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if (themeToggle) {
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themeToggle.addEventListener("click", () => {
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this.toggleTheme();
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});
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}
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}
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toggleTheme() {
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const currentTheme = document.documentElement.getAttribute("data-theme");
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const newTheme = currentTheme === "dark" ? "light" : "dark";
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document.documentElement.setAttribute("data-theme", newTheme);
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localStorage.setItem("theme", newTheme);
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this.updateThemeIcon(newTheme);
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}
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loadSavedTheme() {
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const savedTheme = localStorage.getItem("theme") || "light";
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document.documentElement.setAttribute("data-theme", savedTheme);
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this.updateThemeIcon(savedTheme);
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}
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updateThemeIcon(theme) {
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const themeIcon = document.querySelector("#themeToggle i");
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if (themeIcon) {
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themeIcon.className = theme === "dark" ? "fas fa-sun" : "fas fa-moon";
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}
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}
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}
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// Form validation
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class FormValidator {
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constructor(formId) {
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this.form = document.getElementById(formId);
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if (this.form) {
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this.init();
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}
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}
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init() {
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this.form.addEventListener("submit", (e) => {
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if (!this.validateForm()) {
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e.preventDefault();
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}
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});
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// Real-time validation
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const inputs = this.form.querySelectorAll("input, select, textarea");
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inputs.forEach((input) => {
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input.addEventListener("blur", () => this.validateField(input));
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input.addEventListener("input", () => this.clearFieldError(input));
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});
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}
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validateForm() {
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const inputs = this.form.querySelectorAll(
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"input[required], select[required], textarea[required]"
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);
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let isValid = true;
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inputs.forEach((input) => {
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if (!this.validateField(input)) {
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isValid = false;
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}
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});
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return isValid;
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}
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validateField(field) {
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const value = field.value.trim();
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const isRequired = field.hasAttribute("required");
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const fieldType = field.type;
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// Clear previous errors
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this.clearFieldError(field);
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// Required field validation
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if (isRequired && !value) {
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this.showFieldError(field, "This field is required");
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return false;
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}
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// Email validation
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if (fieldType === "email" && value) {
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const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
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if (!emailRegex.test(value)) {
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this.showFieldError(field, "Please enter a valid email address");
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return false;
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}
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}
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// Password validation
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if (fieldType === "password" && value) {
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if (value.length < 6) {
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this.showFieldError(
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field,
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"Password must be at least 6 characters long"
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);
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return false;
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}
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}
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return true;
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}
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showFieldError(field, message) {
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field.classList.add("error");
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// Remove existing error message
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const existingError = field.parentNode.querySelector(".field-error");
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if (existingError) {
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existingError.remove();
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}
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// Add new error message
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const errorElement = document.createElement("div");
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errorElement.className = "field-error";
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errorElement.textContent = message;
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field.parentNode.appendChild(errorElement);
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}
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clearFieldError(field) {
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field.classList.remove("error");
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const errorElement = field.parentNode.querySelector(".field-error");
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if (errorElement) {
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errorElement.remove();
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}
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}
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}
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// Initialize when DOM is loaded
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document.addEventListener("DOMContentLoaded", function () {
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// Initialize managers
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window.navigationManager = new NavigationManager();
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window.modalManager = new ModalManager();
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window.themeManager = new ThemeManager();
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// Initialize search if search input exists
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const searchInput =
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document.getElementById("searchInput") ||
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document.getElementById("qrSearch") ||
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document.getElementById("searchUsers");
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if (searchInput) {
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const containerId = searchInput.dataset.container || "searchResults";
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window.searchManager = new SearchManager(searchInput.id, containerId);
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}
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// Initialize form validation for forms with validation class
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const forms = document.querySelectorAll(".validate-form");
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forms.forEach((form) => {
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new FormValidator(form.id);
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});
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// Global function assignments for inline event handlers
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window.downloadQR = DownloadManager.downloadQR;
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window.downloadModalQR = DownloadManager.downloadModalQR;
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window.showToast = QRManager.utils.showToast;
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});
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// Global utility functions
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window.QRManager = QRManager;
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Reference in New Issue
Block a user