WIP: CompensationAction using jstree

intervention/inputs.py

@@ -1,4 +1,5 @@
 from django import forms
+from django.urls import reverse
 
 
 class DummyFilterInput(forms.HiddenInput):
@@ -30,3 +31,17 @@ class GenerateInput(forms.TextInput):
 
     """
     template_name = "konova/widgets/generate-content-input.html"
+
+
+class TreeSelectMultiple(forms.SelectMultiple):
+    """ Provides multiple selection of parent-child data
+
+    """
+    template_name = "konova/widgets/checkbox-tree-select-base.html"
+    url = None
+
+    def __init__(self, *args, **kwargs):
+        self.url = kwargs.pop("url", None)
+        if self.url:
+            self.url = reverse(self.url)
+        super().__init__(*args, **kwargs)