Fix persist buttons (#4640)

Fixes "persist form" buttons for the following models:

- Part
- PartCategory
- StockItem
- StockLocation

Closes https://github.com/inventree/InvenTree/issues/4491

InvenTree/part/templates/part/category.html

@@ -334,18 +334,8 @@
     });
 
     $("#cat-create").click(function() {
-
-        var fields = categoryFields();
-
-        {% if category %}
-        fields.parent.value = {{ category.pk }};
-        {% endif %}
-
-        constructForm('{% url "api-part-category-list" %}', {
-            fields: fields,
-            method: 'POST',
-            title: '{% trans "Create Part Category" %}',
-            follow: true,
+        createPartCategory({
+            {% if category %}parent: {{ category.pk }},{% endif %}
         });
     });
 

InvenTree/templates/js/translated/forms.js

@@ -730,7 +730,7 @@ function insertPersistButton(options) {
     var html = `
     <div class="form-check form-switch">
         <input class="form-check-input" type="checkbox" id="modal-persist">
-        <label class="form-check-label" for="modal-persist">${message}</label>
+        <label class="form-check-label" for="modal-persist"><small>${message}</small></label>
     </div>
     `;
 

InvenTree/templates/js/translated/part.js

@@ -20,6 +20,7 @@
 
 /* exported
     createPart,
+    createPartCategory,
     deletePart,
     deletePartCategory,
     duplicateBom,
@@ -253,8 +254,8 @@ function partFields(options={}) {
 /*
  * Construct a set of fields for a PartCategory intance
  */
-function categoryFields() {
-    return {
+function categoryFields(options={}) {
+    let fields = {
         parent: {
             help_text: '{% trans "Parent part category" %}',
             required: false,
@@ -276,6 +277,28 @@ function categoryFields() {
             placeholder: 'fas fa-tag',
         },
     };
+
+    if (options.parent) {
+        fields.parent.value = options.parent;
+    }
+
+    return fields;
+}
+
+
+// Create a PartCategory via the API
+function createPartCategory(options={}) {
+    let fields = categoryFields(options);
+
+    constructForm('{% url "api-part-category-list" %}', {
+        fields: fields,
+        method: 'POST',
+        title: '{% trans "Create Part Category" %}',
+        follow: true,
+        persist: true,
+        persistMessage: '{% trans "Create new category after this one" %}',
+        successMessage: '{% trans "Part category created" %}'
+    });
 }
 
 
@@ -349,7 +372,7 @@ function createPart(options={}) {
         fields: partFields(options),
         groups: partGroups(),
         title: '{% trans "Create Part" %}',
-        reloadFormAfterSuccess: true,
+        persist: true,
         persistMessage: '{% trans "Create another part after this one" %}',
         successMessage: '{% trans "Part created successfully" %}',
         onSuccess: function(data) {

InvenTree/templates/js/translated/stock.js

@@ -159,6 +159,9 @@ function createStockLocation(options={}) {
     options.method = 'POST';
     options.fields = stockLocationFields(options);
     options.title = '{% trans "New Stock Location" %}';
+    options.persist = true;
+    options.persistMessage = '{% trans "Create another location after this one" %}';
+    options.successMessage = '{% trans "Stock location created" %}';
 
     constructForm(url, options);
 }
@@ -473,6 +476,10 @@ function createNewStockItem(options={}) {
 
     options.create = true;
 
+    options.persist = true;
+    options.persistMessage = '{% trans "Create another item after this one" %}';
+    options.successMessage = '{% trans "Stock item created" %}';
+
     options.fields = stockItemFields(options);
     options.groups = stockItemGroups(options);