add user setting to select a default label printer (#4349) (#4362)

InvenTree/common/models.py

@@ -46,6 +46,7 @@ import InvenTree.ready
 import InvenTree.tasks
 import InvenTree.validators
 import order.validators
+from plugin import registry
 
 logger = logging.getLogger('inventree')
 
@@ -1628,6 +1629,15 @@ class InvenTreeSetting(BaseInvenTreeSetting):
             return False
 
 
+def label_printer_options():
+    """Build a list of available label printer options."""
+    printers = [('', _('No Printer (Export to PDF)'))]
+    label_printer_plugins = registry.with_mixin('labels')
+    if label_printer_plugins:
+        printers.extend([(p.slug, p.name + ' - ' + p.human_name) for p in label_printer_plugins])
+    return printers
+
+
 class InvenTreeUserSetting(BaseInvenTreeSetting):
     """An InvenTreeSetting object with a usercontext."""
 
@@ -1781,6 +1791,13 @@ class InvenTreeUserSetting(BaseInvenTreeSetting):
             'validator': bool,
         },
 
+        "LABEL_DEFAULT_PRINTER": {
+            'name': _('Default label printer'),
+            'description': _('Configure which label printer should be selected by default'),
+            'default': '',
+            'choices': label_printer_options
+        },
+
         "REPORT_INLINE": {
             'name': _('Inline report display'),
             'description': _('Display PDF reports in the browser, instead of downloading as a file'),

InvenTree/templates/InvenTree/settings/user_labels.html

@@ -15,6 +15,7 @@
     <table class='table table-striped table-condensed'>
         <tbody>
             {% include "InvenTree/settings/setting.html" with key="LABEL_INLINE" icon='fa-tag' user_setting=True %}
+            {% include "InvenTree/settings/setting.html" with key="LABEL_DEFAULT_PRINTER" icon='fa-tag' user_setting=True %}
         </tbody>
     </table>
 </div>

InvenTree/templates/js/translated/label.js

@@ -262,7 +262,11 @@ function selectLabel(labels, items, options={}) {
         `;
 
         plugins.forEach(function(plugin) {
-            plugin_selection += `<option value='${plugin.key}' title='${plugin.meta.human_name}'>${plugin.name} - <small>${plugin.meta.human_name}</small></option>`;
+            var selected = '';
+            if (user_settings['LABEL_DEFAULT_PRINTER'] == plugin.key) {
+                selected = ' selected';
+            }
+            plugin_selection += `<option value='${plugin.key}' title='${plugin.meta.human_name}'${selected}>${plugin.name} - <small>${plugin.meta.human_name}</small></option>`;
         });
 
         plugin_selection += `