Added table filter to Locations, Moved table filter js to site.js

src/wwwroot/js/site.js

@@ -89,3 +89,30 @@ function idToEAN13(id) {
     const padded = id.toString().padStart(12, "0"); // 12 digits
     return padded;
 }
+
+// Table filter
+document.addEventListener('DOMContentLoaded', () => {
+    const filters = document.querySelectorAll('.column-filter');
+    const table = document.querySelector('table');
+    const tbody = table.querySelector('tbody');
+
+    filters.forEach(filter => {
+        filter.addEventListener('input', () => {
+            const rows = tbody.querySelectorAll('tr');
+            const filterValues = Array.from(filters).map(f => f.value.toLowerCase().trim());
+
+            rows.forEach(row => {
+                const cells = row.querySelectorAll('td');
+                let visible = true;
+
+                filterValues.forEach((val, i) => {
+                    if (val && !cells[i].textContent.toLowerCase().includes(val)) {
+                        visible = false;
+                    }
+                });
+
+                row.style.display = visible ? '' : 'none';
+            });
+        });
+    });
+});