Add a form to select export format

InvenTree/order/templates/order/order_base.html

@@ -39,6 +39,9 @@ src="{% static 'img/blank_image.png' %}"
         <button type='button' class='btn btn-default' id='print-order-report' title='{% trans "Print" %}'>
             <span class='fas fa-print'></span> 
         </button>
+        <button type='button' class='btn btn-default' id='export-order' title='{% trans "Export order to file" %}'>
+            <span class='fas fa-file-download'></span>
+        </button>
         {% if roles.purchase_order.change %}
         <button type='button' class='btn btn-default' id='edit-order' title='{% trans "Edit order information" %}'>
             <span class='fas fa-edit icon-green'></span>
@@ -61,9 +64,6 @@ src="{% static 'img/blank_image.png' %}"
         </button>
         {% endif %}
         {% endif %}
-        <button type='button' class='btn btn-default' id='export-order' title='{% trans "Export order to file" %}'>
-            <span class='fas fa-file-download'></span>
-        </button>
     </div>
 </div>
 {% endblock %}
@@ -224,7 +224,7 @@ $("#cancel-order").click(function() {
 });
 
 $("#export-order").click(function() {
-    location.href = '{% url "po-export" order.id %}';
+    exportOrder('{% url "po-export" order.id %}');
 });
 
 

InvenTree/order/templates/order/sales_order_base.html

@@ -202,7 +202,7 @@ $('#print-order-report').click(function() {
 });
 
 $('#export-order').click(function() {
-    location.href = '{% url "so-export" order.id %}';
+    exportOrder('{% url "so-export" order.id %}');
 });
 
 {% endblock %}

InvenTree/templates/js/dynamic/inventree.js

@@ -10,6 +10,7 @@
 /* exported
     attachClipboard,
     enableDragAndDrop,
+    exportFormatOptions,
     inventreeDocReady,
     inventreeLoad,
     inventreeSave,
@@ -46,6 +47,31 @@ function attachClipboard(selector, containerselector, textElement) {
 }
 
 
+/**
+ * Return a standard list of export format options * 
+ */
+function exportFormatOptions() {
+    return [
+        {
+            value: 'csv',
+            display_name: 'CSV',
+        },
+        {
+            value: 'tsv',
+            display_name: 'TSV',
+        },
+        {
+            value: 'xls',
+            display_name: 'XLS',
+        },
+        {
+            value: 'xlsx',
+            display_name: 'XLSX',
+        },
+    ];
+}
+
+
 function inventreeDocReady() {
     /* Run this function when the HTML document is loaded.
      * This will be called for every page that extends "base.html"

InvenTree/templates/js/translated/order.js

@@ -21,6 +21,7 @@
 /* exported
     createSalesOrder,
     editPurchaseOrderLineItem,
+    exportOrder,
     loadPurchaseOrderLineItemTable,
     loadPurchaseOrderTable,
     loadSalesOrderAllocationTable,
@@ -187,6 +188,49 @@ function newSupplierPartFromOrderWizard(e) {
     });
 }
 
+/**
+ * Export an order (PurchaseOrder or SalesOrder)
+ * 
+ * - Display a simple form which presents the user with export options
+ * 
+ */
+function exportOrder(redirect_url, options={}) {
+
+    var format = options.format;
+
+    // If default format is not provided, lookup
+    if (!format) {
+        format = inventreeLoad('order-export-format', 'csv');
+    }
+
+    constructFormBody({}, {
+        title: '{% trans "Export Order" %}',
+        fields: {
+            format: {
+                label: '{% trans "Format" %}',
+                help_text: '{% trans "Select file format" %}',
+                required: true,
+                type: 'choice',
+                value: format,
+                choices: exportFormatOptions(),
+            }
+        },
+        onSubmit: function(fields, opts) {
+
+            var format = getFormFieldValue('format', fields['format'], opts);
+
+            // Save the format for next time
+            inventreeSave('order-export-format', format);
+
+            // Hide the modal
+            $(opts.modal).modal('hide');
+
+            // Download the file!
+            location.href = `${redirect_url}?format=${format}`;
+        }
+    });
+}
+
 function newPurchaseOrderFromOrderWizard(e) {
     /* Create a new purchase order directly from an order form.
      * Launches a secondary modal and (if successful),

InvenTree/templates/js/translated/stock.js

@@ -98,24 +98,7 @@ function exportStock(params={}) {
                 required: true,
                 type: 'choice',
                 value: 'csv',
-                choices: [
-                    {
-                        value: 'csv',
-                        display_name: 'CSV',
-                    },
-                    {
-                        value: 'tsv',
-                        display_name: 'TSV',
-                    },
-                    {
-                        value: 'xls',
-                        display_name: 'XLS',
-                    },
-                    {
-                        value: 'xlsx',
-                        display_name: 'XLSX',
-                    },
-                ],
+                choices: exportFormatOptions(),
             },
             sublocations: {
                 label: '{% trans "Include Sublocations" %}',