Fixed #26575 -- Disabled SelectFilter buttons when inactive.

django/contrib/admin/static/admin/js/SelectFilter2.js

@@ -111,10 +111,16 @@ Requires jQuery, core.js, and SelectBox.js.
             from_box.setAttribute('name', from_box.getAttribute('name') + '_old');
 
             // Set up the JavaScript event handlers for the select box filter interface
-            addEvent(choose_all, 'click', function() { SelectBox.move_all(field_id + '_from', field_id + '_to'); SelectFilter.refresh_icons(field_id); });
+            var move_selection = function(elem, move_func, from, to) {
-            addEvent(add_link, 'click', function() { SelectBox.move(field_id + '_from', field_id + '_to'); SelectFilter.refresh_icons(field_id); });
+                if (elem.className.indexOf('active') !== -1) {
-            addEvent(remove_link, 'click', function() { SelectBox.move(field_id + '_to', field_id + '_from'); SelectFilter.refresh_icons(field_id); });
+                    move_func(from, to);
-            addEvent(clear_all, 'click', function() { SelectBox.move_all(field_id + '_to', field_id + '_from'); SelectFilter.refresh_icons(field_id); });
+                    SelectFilter.refresh_icons(field_id);
+                }
+            };
+            addEvent(choose_all, 'click', function(e) { move_selection(this, SelectBox.move_all, field_id + '_from', field_id + '_to'); });
+            addEvent(add_link, 'click', function(e) { move_selection(this, SelectBox.move, field_id + '_from', field_id + '_to'); });
+            addEvent(remove_link, 'click', function(e) { move_selection(this, SelectBox.move, field_id + '_to', field_id + '_from'); });
+            addEvent(clear_all, 'click', function(e) { move_selection(this, SelectBox.move_all, field_id + '_to', field_id + '_from'); });
             addEvent(filter_input, 'keypress', function(e) { SelectFilter.filter_key_press(e, field_id); });
             addEvent(filter_input, 'keyup', function(e) { SelectFilter.filter_key_up(e, field_id); });
             addEvent(filter_input, 'keydown', function(e) { SelectFilter.filter_key_down(e, field_id); });

django/contrib/admin/tests.py

@@ -158,6 +158,18 @@ class AdminSeleniumTestCase(SeleniumTestCase, StaticLiveServerTestCase):
             actual_values.append(option.get_attribute('value'))
         self.assertEqual(values, actual_values)
 
+    def assertSelectedOptions(self, selector, values):
+        """
+        Asserts that the <SELECT> widget identified by `selector` has the
+        selected options with the given `values`.
+        """
+        options = self.selenium.find_elements_by_css_selector('%s > option' % selector)
+        actual_values = []
+        for option in options:
+            if option.get_attribute('selected'):
+                actual_values.append(option.get_attribute('value'))
+        self.assertEqual(values, actual_values)
+
     def has_css_class(self, selector, klass):
         """
         Returns True if the element identified by `selector` has the CSS class

tests/admin_widgets/tests.py

@@ -966,6 +966,32 @@ class HorizontalVerticalFilterSeleniumTests(AdminWidgetSeleniumTestCase):
             str(self.arthur.id), str(self.cliff.id),
         ])
 
+        # Choose some more options --------------------------------------------
+        self.get_select_option(from_box, str(self.peter.id)).click()
+        self.get_select_option(from_box, str(self.lisa.id)).click()
+
+        # Confirm they're selected after clicking inactive buttons: ticket #26575
+        self.assertSelectedOptions(from_box, [str(self.peter.id), str(self.lisa.id)])
+        self.selenium.find_element_by_id(remove_link).click()
+        self.assertSelectedOptions(from_box, [str(self.peter.id), str(self.lisa.id)])
+
+        # Unselect the options ------------------------------------------------
+        self.get_select_option(from_box, str(self.peter.id)).click()
+        self.get_select_option(from_box, str(self.lisa.id)).click()
+
+        # Choose some more options --------------------------------------------
+        self.get_select_option(to_box, str(self.jason.id)).click()
+        self.get_select_option(to_box, str(self.john.id)).click()
+
+        # Confirm they're selected after clicking inactive buttons: ticket #26575
+        self.assertSelectedOptions(to_box, [str(self.jason.id), str(self.john.id)])
+        self.selenium.find_element_by_id(choose_link).click()
+        self.assertSelectedOptions(to_box, [str(self.jason.id), str(self.john.id)])
+
+        # Unselect the options ------------------------------------------------
+        self.get_select_option(to_box, str(self.jason.id)).click()
+        self.get_select_option(to_box, str(self.john.id)).click()
+
     def test_basic(self):
         self.school.students.set([self.lisa, self.peter])
         self.school.alumni.set([self.lisa, self.peter])