feat: enhance model description editing functionality in ModelDescription.js and integrate with ModelModal.js. Fixes #292

static/js/components/shared/ModelDescription.js

@@ -1,3 +1,5 @@
+import { showToast } from '../../utils/uiHelpers.js';
+
 /**
  * ModelDescription.js
  * Handles model description related functionality - General version
@@ -40,4 +42,99 @@ export function setupTabSwitching() {
             }
         });
     });
+}
+
+/**
+ * Set up model description editing functionality
+ * @param {string} filePath - File path
+ */
+export function setupModelDescriptionEditing(filePath) {
+    const descContent = document.querySelector('.model-description-content');
+    const descContainer = document.querySelector('.model-description-container');
+    if (!descContent || !descContainer) return;
+
+    // Add edit button if not present
+    let editBtn = descContainer.querySelector('.edit-model-description-btn');
+    if (!editBtn) {
+        editBtn = document.createElement('button');
+        editBtn.className = 'edit-model-description-btn';
+        editBtn.title = 'Edit model description';
+        editBtn.innerHTML = '<i class="fas fa-pencil-alt"></i>';
+        descContainer.insertBefore(editBtn, descContent);
+    }
+
+    // Show edit button on hover
+    descContainer.addEventListener('mouseenter', () => {
+        editBtn.classList.add('visible');
+    });
+    descContainer.addEventListener('mouseleave', () => {
+        if (!descContainer.classList.contains('editing')) {
+            editBtn.classList.remove('visible');
+        }
+    });
+
+    // Handle edit button click
+    editBtn.addEventListener('click', () => {
+        descContainer.classList.add('editing');
+        descContent.setAttribute('contenteditable', 'true');
+        descContent.dataset.originalValue = descContent.innerHTML.trim();
+        descContent.focus();
+
+        // Place cursor at the end
+        const range = document.createRange();
+        const sel = window.getSelection();
+        range.selectNodeContents(descContent);
+        range.collapse(false);
+        sel.removeAllRanges();
+        sel.addRange(range);
+
+        editBtn.classList.add('visible');
+    });
+
+    // Keyboard events
+    descContent.addEventListener('keydown', function(e) {
+        if (!this.getAttribute('contenteditable')) return;
+        if (e.key === 'Enter' && !e.shiftKey) {
+            e.preventDefault();
+            this.blur();
+        } else if (e.key === 'Escape') {
+            e.preventDefault();
+            this.innerHTML = this.dataset.originalValue;
+            exitEditMode();
+        }
+    });
+
+    // Save on blur
+    descContent.addEventListener('blur', async function() {
+        if (!this.getAttribute('contenteditable')) return;
+        const newValue = this.innerHTML.trim();
+        const originalValue = this.dataset.originalValue;
+        if (newValue === originalValue) {
+            exitEditMode();
+            return;
+        }
+        if (!newValue) {
+            this.innerHTML = originalValue;
+            showToast('Description cannot be empty', 'error');
+            exitEditMode();
+            return;
+        }
+        try {
+            // Save to backend
+            const { getModelApiClient } = await import('../../api/baseModelApi.js');
+            await getModelApiClient().saveModelMetadata(filePath, { modelDescription: newValue });
+            showToast('Model description updated', 'success');
+        } catch (err) {
+            this.innerHTML = originalValue;
+            showToast('Failed to update model description', 'error');
+        } finally {
+            exitEditMode();
+        }
+    });
+
+    function exitEditMode() {
+        descContent.removeAttribute('contenteditable');
+        descContainer.classList.remove('editing');
+        editBtn.classList.remove('visible');
+    }
 }