Add ability to create a new extra line item

InvenTree/order/templates/order/purchase_order_detail.html

@@ -146,6 +146,7 @@
         );
     });
 
+    onPanelLoad('order-attachments', function() {
         enableDragAndDrop(
             '#attachment-dropzone',
             '{% url "api-po-attachment-list" %}',
@@ -171,6 +172,7 @@
                 }
             }
         });
+    });
 
     loadStockTable($("#stock-table"), {
         params: {
@@ -219,6 +221,7 @@ $('#new-po-line').click(function() {
 
 {% endif %}
 
+onPanelLoad('order-items', function() {
     loadPurchaseOrderLineItemTable('#po-line-table', {
         order: {{ order.pk }},
         {% if order.supplier %}
@@ -274,6 +277,7 @@ loadExtraLineTable({
         allow_delete: false,
         {% endif %}
     });
+});
 
 loadOrderTotal(
     '#poTotalPrice',

InvenTree/order/templates/order/return_order_detail.html

@@ -102,7 +102,18 @@ onPanelLoad('order-details', function() {
     });
 
     $('#new-return-order-extra-line').click(function() {
-        // TODO: Create new return order extra line item
+        let fields = extraLineFields({
+            order: {{ order.pk }},
+        });
+
+        constructForm('{% url "api-return-order-extra-line-list" %}', {
+            fields: fields,
+            method: 'POST',
+            title: '{% trans "Add Extra Line" %}',
+            onSuccess: function() {
+                $("#return-order-extra-lines-table").bootstrapTable('refresh');
+            }
+        });
     });
 });
 

InvenTree/order/templates/order/sales_order_detail.html

@@ -244,6 +244,8 @@
         },
     });
 
+    onPanelLoad('order-items', function() {
+
         $("#new-so-line").click(function() {
             createSalesOrderLineItem({
                 order: {{ order.pk }},
@@ -304,6 +306,8 @@
             allow_delete: false,
             {% endif %}
         });
+    });
+
 
     loadOrderTotal(
         '#soTotalPrice',