Update index.html

index.html

@@ -34,6 +34,18 @@
 
         @keyframes fadeIn { from { opacity: 0; transform: translateY(15px); } to { opacity: 1; transform: translateY(0); } }
         @keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
+        
+        /* --- MODIFICATION START: Shake Animation --- */
+        @keyframes shake-error {
+            10%, 90% { transform: translateX(-2px); }
+            20%, 80% { transform: translateX(4px); }
+            30%, 50%, 70% { transform: translateX(-6px); }
+            40%, 60% { transform: translateX(6px); }
+        }
+        .shake-error {
+            animation: shake-error 0.7s cubic-bezier(.36,.07,.19,.97) both;
+        }
+        /* --- MODIFICATION END --- */
 
         body {
             font-family: var(--app-font);
@@ -127,7 +139,6 @@
         textarea { width: 100%; padding: 1rem 1.2rem; border-radius: var(--radius-input); border: 1px solid var(--input-border); background-color: var(--input-bg); color: var(--text-primary); box-shadow: var(--shadow-sm) inset; font-family: var(--app-font); font-size: 1rem; box-sizing: border-box; transition: var(--transition-smooth); min-height: 90px; resize: vertical; }
         textarea:focus { outline: none; border-color: var(--accent-primary); box-shadow: 0 0 0 3px var(--accent-primary-glow), var(--shadow-sm) inset; background-color: var(--panel-bg); }
         
-        /* --- MODIFICATION START: Improved Button Style --- */
         #submit-btn {
             display: flex; align-items: center; justify-content: center; gap: 0.75rem; width: 100%; padding: 1.1rem;
             font-size: 1.2rem; font-weight: 700;
@@ -150,10 +161,17 @@
         #submit-btn:hover:not(:disabled) svg {
             transform: scale(1.1) rotate(-15deg);
         }
-        #submit-btn:disabled { background: var(--text-tertiary); cursor: not-allowed; box-shadow: none; opacity: 0.7; }
-        #submit-btn .spinner { width: 20px; height: 20px; border: 3px solid rgba(255, 255, 255, 0.4); border-top-color: #fff; border-radius: 50%; animation: spin 0.8s linear infinite; display: none; }
+        
+        /* --- MODIFICATION START: Disabled Button Style --- */
+        #submit-btn:disabled {
+            cursor: not-allowed;
+            box-shadow: none;
+            opacity: 0.65;
+        }
         /* --- MODIFICATION END --- */
 
+        #submit-btn .spinner { width: 20px; height: 20px; border: 3px solid rgba(255, 255, 255, 0.4); border-top-color: #fff; border-radius: 50%; animation: spin 0.8s linear infinite; display: none; }
+
         #result-container { min-height: 350px; position: relative; padding: 1rem; background-color: var(--input-bg); border-radius: var(--radius-card); border: 2px dashed var(--input-border); box-shadow: var(--shadow-sm) inset; transition: var(--transition-smooth); display: flex; align-items: center; justify-content: center; }
         #result-container.loading, #result-container.has-content { border-style: solid; border-color: var(--panel-border); }
         #loading-placeholder { display: none; }
@@ -344,6 +362,30 @@
         .modal-btn.cancel-btn { background-color: var(--input-bg); color: var(--text-secondary); border: 1px solid var(--input-border); }
         .modal-btn.cancel-btn:hover { background-color: var(--panel-border); color: var(--text-primary); }
 
+        /* --- MODIFICATION START: Toast Notification Style --- */
+        #toast-notification {
+            position: fixed;
+            bottom: 20px;
+            left: 50%;
+            transform: translate(-50%, 20px);
+            background-color: var(--danger-color);
+            color: white;
+            padding: 1rem 1.5rem;
+            border-radius: var(--radius-btn);
+            box-shadow: var(--shadow-lg);
+            font-weight: 600;
+            z-index: 3000;
+            opacity: 0;
+            transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
+            pointer-events: none;
+        }
+        #toast-notification.visible {
+            opacity: 1;
+            transform: translate(-50%, 0);
+            pointer-events: auto;
+        }
+        /* --- MODIFICATION END --- */
+
         @media (max-width: 768px) {
             main, .gallery-section { padding: 1.5rem; } h1 { font-size: 2.2rem; } .gallery-section { padding: 1rem; }
             #history-grid { gap: 0.75rem; } .history-item { padding: 0.75rem; }
@@ -452,6 +494,10 @@
         </div>
     </div>
 
+    <!-- MODIFICATION START: Toast Notification HTML -->
+    <div id="toast-notification"></div>
+    <!-- MODIFICATION END -->
+
     <script>
         // --- START OF MODIFIED APPLICATION LOGIC SCRIPT ---
         const API_BASE_URL = "https://ginigen-nano-banana-video.hf.space/gradio_api/";
@@ -512,45 +558,47 @@
         };
         const showConfirmationModal = (message, onConfirm) => { modalMessageText.textContent = message; confirmationModal.classList.add('visible'); modalConfirmBtn.onclick = () => { onConfirm(); hideConfirmationModal(); }; modalCancelBtn.onclick = () => { hideConfirmationModal(); }; }; const hideConfirmationModal = () => { confirmationModal.classList.remove('visible'); modalConfirmBtn.onclick = null; modalCancelBtn.onclick = null; }; const resetUploader = () => { uploadedFile = null; fileInput.value = ''; previewImage.src = ''; uploadArea.classList.remove('has-file'); checkFormState(); }; const checkFormState = () => { submitBtn.disabled = !uploadedFile || promptInput.value.trim() === ''; }; const setLoading = (isLoading) => { const btnSpinner = submitBtn.querySelector('.spinner'); const btnText = document.getElementById('btn-text'); const btnIcon = submitBtn.querySelector('svg'); if (isLoading) { resultContainer.classList.remove('has-content'); resultContainer.classList.add('loading'); btnSpinner.style.display = 'inline-block'; btnIcon.style.display = 'none'; btnText.textContent = 'در حال پردازش...'; submitBtn.disabled = true; resultGrid.innerHTML = ''; errorMessage.style.display = 'none'; } else { resultContainer.classList.remove('loading'); btnSpinner.style.display = 'none'; btnIcon.style.display = 'inline-block'; btnText.textContent = 'ایجاد کن'; checkFormState(); } }; const displayResult = (imageUrls) => { resultGrid.innerHTML = ''; imageUrls.forEach((url) => { const img = document.createElement('img'); img.src = url; img.alt = 'تصویر ویرایش شده'; img.addEventListener('click', () => openLightbox(url, imageUrls)); resultGrid.appendChild(img); }); resultContainer.classList.add('has-content'); }; const clearResult = () => { resultGrid.innerHTML = ''; errorMessage.style.display = 'none'; resultContainer.classList.remove('has-content'); }; const displayError = (message) => { errorMessage.textContent = message; errorMessage.style.display = 'block'; }; const updateLightboxImage = () => { const newUrl = currentLightboxGroup[currentLightboxIndex]; lightboxImg.src = newUrl; currentLightboxUrl = newUrl; }; const openLightbox = (clickedUrl, urlGroup) => { currentLightboxGroup = urlGroup; currentLightboxIndex = urlGroup.indexOf(clickedUrl); updateLightboxImage(); lightboxNext.style.display = urlGroup.length > 1 ? 'flex' : 'none'; lightbox.classList.add('visible'); }; const closeLightbox = () => { lightbox.classList.remove('visible'); currentLightboxGroup = []; }; const handleDownload = async () => { if (!currentLightboxUrl) return; const spinner = lightboxDownload.querySelector('.spinner'); const icon = lightboxDownload.querySelector('svg'); spinner.style.display = 'block'; icon.style.display = 'none'; lightboxDownload.disabled = true; try { const response = await fetch(currentLightboxUrl); if (!response.ok) throw new Error('Network response was not ok.'); const blob = await response.blob(); const objectUrl = URL.createObjectURL(blob); const a = document.createElement('a'); a.href = objectUrl; a.download = `ai-edited-image-${Date.now()}.png`; document.body.appendChild(a); a.click(); document.body.removeChild(a); URL.revokeObjectURL(objectUrl); } catch (e) { console.error('Download failed:', e); alert('خطا در دانلود تصویر. لطفا دوباره تلاش کنید.'); } finally { spinner.style.display = 'none'; icon.style.display = 'block'; lightboxDownload.disabled = false; } };
 
-        // --- MODIFICATION START: History Management with Expiration ---
+        // --- MODIFICATION START: Toast Notification Logic ---
+        let toastTimeout;
+        const showToast = (message) => {
+            const toast = document.getElementById('toast-notification');
+            if (!toast) return;
+
+            clearTimeout(toastTimeout);
+            toast.textContent = message;
+            toast.classList.add('visible');
+
+            toastTimeout = setTimeout(() => {
+                toast.classList.remove('visible');
+            }, 3500);
+        };
+        // --- MODIFICATION END ---
+
         const getHistory = () => {
             const historyFromStorage = JSON.parse(localStorage.getItem('aiPhotoshopHistory') || '[]');
             if (!Array.isArray(historyFromStorage)) return [];
 
             const FIVE_DAYS_IN_MS = 5 * 24 * 60 * 60 * 1000;
             const now = Date.now();
-
-            // Filter out items older than 5 days
             const freshHistory = historyFromStorage.filter(item => {
-                // For backward compatibility, if 'createdAt' timestamp doesn't exist, we keep the item.
-                // This prevents deleting old history items that were created before this feature was added.
-                if (typeof item.createdAt !== 'number') {
-                    return true;
-                }
+                if (typeof item.createdAt !== 'number') { return true; }
                 return (now - item.createdAt) < FIVE_DAYS_IN_MS;
             });
-
-            // If the filtering process removed any items, we update localStorage to clean it up.
             if (freshHistory.length < historyFromStorage.length) {
                 localStorage.setItem('aiPhotoshopHistory', JSON.stringify(freshHistory));
             }
-
             return freshHistory;
         };
 
         const saveHistory = (history) => { localStorage.setItem('aiPhotoshopHistory', JSON.stringify(history)); renderHistory(); };
 
         const addToHistory = (item) => {
-            let history = getHistory(); // getHistory now filters expired items
-            const newItem = {
-                ...item,
-                createdAt: Date.now() // Add timestamp when creating a history item
-            };
+            let history = getHistory();
+            const newItem = { ...item, createdAt: Date.now() };
             history.unshift(newItem);
             if (history.length > 15) history.pop();
             saveHistory(history);
         };
-        // --- MODIFICATION END ---
         
         const handleClearHistory = () => { showConfirmationModal('آیا از پاک کردن تمام تاریخچه مطمئن هستید؟ این عمل غیرقابل بازگشت است.', () => { saveHistory([]); }); }; const handleDeleteItem = (index) => { showConfirmationModal('آیا از حذف این مورد از تاریخچه مطمئن هستید؟', () => { let history = getHistory(); history.splice(index, 1); saveHistory(history); }); }; const renderHistory = () => { const history = getHistory(); historyGrid.innerHTML = ''; clearHistoryBtn.style.display = history.length > 0 ? 'flex' : 'none'; history.forEach((item, index) => { const card = document.createElement('div'); card.className = 'history-item'; const deleteBtn = document.createElement('button'); deleteBtn.className = 'history-delete-btn'; deleteBtn.title = 'حذف این مورد'; deleteBtn.innerHTML = `<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M3 6h18"/><path d="M19 6v14a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2V6"/><path d="M8 6V4a2 2 0 0 1 2-2h4a2 2 0 0 1 2 2v2"/></svg>`; deleteBtn.onclick = () => handleDeleteItem(index); card.appendChild(deleteBtn); const imageGrid = document.createElement('div'); imageGrid.className = 'history-item-grid'; item.urls.forEach(url => { const img = document.createElement('img'); img.src = url; img.alt = 'تصویر از تاریخچه'; img.addEventListener('click', () => openLightbox(url, item.urls)); imageGrid.appendChild(img); }); card.appendChild(imageGrid); historyGrid.appendChild(card); }); };
 
@@ -614,7 +662,7 @@
                             }
 
                             if (resultUrl) {
-                                displayResult([resultUrl]); // displayResult expects an array
+                                displayResult([resultUrl]);
                                 addToHistory({ prompt: promptInput.value.trim(), urls: [resultUrl] });
                             } else {
                                 throw new Error('نتیجه دریافت شد اما لینک تصویر معتبر نبود.');
@@ -641,11 +689,30 @@
         document.addEventListener('DOMContentLoaded', () => { renderHistory(); checkFormState(); });
         removeFileBtn.addEventListener('click', (e) => { e.preventDefault(); e.stopPropagation(); resetUploader(); }); fileInput.addEventListener('change', (e) => handleFile(e.target.files[0])); ['dragenter', 'dragover', 'dragleave', 'drop'].forEach(e => { uploadArea.addEventListener(e, p => { p.preventDefault(); p.stopPropagation(); }); }); ['dragenter', 'dragover'].forEach(e => { uploadArea.addEventListener(e, () => { if (!uploadArea.classList.contains('has-file')) uploadArea.classList.add('drag-over'); }); }); ['dragleave', 'drop'].forEach(e => { uploadArea.addEventListener(e, () => uploadArea.classList.remove('drag-over')); }); uploadArea.addEventListener('drop', e => { if (!uploadArea.classList.contains('has-file')) handleFile(e.dataTransfer.files[0]); }); promptInput.addEventListener('input', checkFormState);
         
-        // --- SUBMIT BUTTON LOGIC ---
+        // --- MODIFICATION START: New Submit Button Logic ---
         submitBtn.addEventListener('click', async () => {
-            if (submitBtn.disabled) return;
+            const isFormInvalid = !uploadedFile || promptInput.value.trim() === '';
+
+            if (isFormInvalid) {
+                submitBtn.classList.add('shake-error');
+                submitBtn.addEventListener('animationend', () => {
+                    submitBtn.classList.remove('shake-error');
+                }, { once: true });
+
+                let message = '';
+                if (!uploadedFile && promptInput.value.trim() === '') {
+                    message = 'لطفا ابتدا تصویر و دستور ویرایش را وارد کنید.';
+                } else if (!uploadedFile) {
+                    message = 'لطفا ابتدا یک تصویر انتخاب کنید.';
+                } else {
+                    message = 'لطفا دستور ویرایش را بنویسید.';
+                }
+                showToast(message);
+                return;
+            }
+            
+            // This part only runs if the form is valid
             setLoading(true);
-
             try {
                 const sessionHash = Math.random().toString(36).substring(7);
                 const textOverlay = document.querySelector('.text-overlay');
@@ -663,9 +730,10 @@
             } catch (error) {
                 console.error('An error occurred:', error);
                 displayError(error.message);
-                setLoading(false); // Make sure to stop loading on initial error
+                setLoading(false);
             }
         });
+        // --- MODIFICATION END ---
 
         lightboxClose.addEventListener('click', closeLightbox); lightbox.addEventListener('click', (e) => { if (e.target === lightbox) closeLightbox(); }); lightboxDownload.addEventListener('click', handleDownload); lightboxNext.addEventListener('click', () => { currentLightboxIndex = (currentLightboxIndex + 1) % currentLightboxGroup.length; updateLightboxImage(); }); clearHistoryBtn.addEventListener('click', handleClearHistory);
     </script>