Implementation of a extra button to add the complete replacement for the Bibliotheks item

Web/templates/library_borrowings_admin.html

@@ -432,7 +432,10 @@
           <input id="damage-invoice-code" type="text" readonly style="width:100%; padding:10px; border:1px solid #ddd; border-radius:6px; background: var(--ui-surface-soft);">
         </div>
         <div>
-          <label for="damage-invoice-amount" style="display:block; font-weight:700; margin-bottom:6px;">Preis</label>
+          <div style="display:flex; justify-content:space-between; align-items:center; margin-bottom:6px;">
+            <label for="damage-invoice-amount" style="font-weight:700; margin:0;">Preis</label>
+            <button type="button" id="damage-invoice-replace-btn" class="btn btn-outline-secondary btn-sm" style="padding: 2px 8px; font-size: 0.75rem;">Komplett ersetzen</button>
+          </div>
           <input id="damage-invoice-amount" name="invoice_amount" type="text" required style="width:100%; padding:10px; border:1px solid #ddd; border-radius:6px;" placeholder="z.B. 12,50">
         </div>
       </div>
@@ -477,6 +480,7 @@
   const damageInvoiceCode = document.getElementById('damage-invoice-code');
   const damageInvoiceAmount = document.getElementById('damage-invoice-amount');
   const damageInvoiceReason = document.getElementById('damage-invoice-reason');
+  const damageInvoiceReplaceBtn = document.getElementById('damage-invoice-replace-btn');
 
   function openDamageReportPrompt(button) {
     const row = button.closest('.loan-row');
@@ -527,6 +531,7 @@
     const inputCode = document.getElementById('damage-invoice-code');
     const inputAmount = document.getElementById('damage-invoice-amount');
     const inputReason = document.getElementById('damage-invoice-reason');
+    const replaceBtn = document.getElementById('damage-invoice-replace-btn');
 
     if (!modal || !form) {
       console.error("Modal oder Formular nicht gefunden.");
@@ -545,7 +550,13 @@
     inputBorrower.value = borrower;
     inputCode.value = itemCode;
 
-    inputAmount.value = String(itemCost).replace(' EUR', '').trim();
+    // Feld zunächst leeren, damit der Ersetzen-Button genutzt werden kann
+    inputAmount.value = '';
+
+    // Original-Preis im Button als data-Attribut hinterlegen
+    if (replaceBtn) {
+      replaceBtn.dataset.price = String(itemCost).replace(' EUR', '').trim();
+    }
 
     inputReason.value = description || `Schaden gemeldet für ${itemName}`;
 
@@ -560,6 +571,15 @@
     }
   }
 
+  // Event-Listener für den Ersetzen-Button
+  if (damageInvoiceReplaceBtn) {
+    damageInvoiceReplaceBtn.addEventListener('click', function() {
+      if (this.dataset.price) {
+        damageInvoiceAmount.value = this.dataset.price;
+      }
+    });
+  }
+
   window.openDamageInvoiceModal = openDamageInvoiceModal;
   window.closeDamageInvoiceModal = closeDamageInvoiceModal;
 
@@ -571,8 +591,6 @@
     });
   }
 
-  window.closeDamageInvoiceModal = closeDamageInvoiceModal;
-
   function applyFilters() {
     const search = (searchInput.value || '').trim().toLowerCase();
     const status = statusFilter.value;
@@ -613,4 +631,4 @@
   applyFilters();
 })();
 </script>
-{% endblock %}
+{% endblock %}