Handle multi target inputs

orangecontrib/explain/widgets/owexplainfeaturebase.py

@@ -21,6 +21,10 @@
 from Orange.widgets.settings import Setting
 from Orange.widgets.utils.concurrent import ConcurrentWidgetMixin, TaskState
 from Orange.widgets.utils.graphicslayoutitem import SimpleLayoutItem
+try:
+    from Orange.widgets.utils.multi_target import check_multiple_targets_input
+except ImportError:
+    check_multiple_targets_input = lambda f: f
 from Orange.widgets.utils.sql import check_sql_input
 from Orange.widgets.utils.state_summary import format_summary_details
 from Orange.widgets.utils.stickygraphicsview import StickyGraphicsView
@@ -462,6 +466,7 @@ def __n_spin_changed(self):
     # Inputs
     @Inputs.data
     @check_sql_input
+    @check_multiple_targets_input
     def set_data(self, data: Optional[Table]):
         self.data = data
         summary = len(data) if data else self.info.NoInput
@@ -473,6 +478,7 @@ def _check_data(self):
         pass
 
     @Inputs.model
+    @check_multiple_targets_input
     def set_model(self, model: Optional[Model]):
         self.closeContext()
         self.model = model

orangecontrib/explain/widgets/owexplainprediction.py

@@ -17,6 +17,10 @@
 from Orange.data import Table, Domain, ContinuousVariable, StringVariable
 from Orange.data.table import DomainTransformationError
 from Orange.widgets import gui
+try:
+    from Orange.widgets.utils.multi_target import check_multiple_targets_input
+except ImportError:
+    check_multiple_targets_input = lambda f: f
 from Orange.widgets.settings import Setting, ContextSetting, \
     ClassValuesContextHandler
 from Orange.widgets.utils.concurrent import TaskState, ConcurrentWidgetMixin
@@ -574,15 +578,18 @@ def __zoom_changed(self, delta: float):
 
     @Inputs.data
     @check_sql_input
+    @check_multiple_targets_input
     def set_data(self, data: Optional[Table]):
         self.data = data
 
     @Inputs.background_data
     @check_sql_input
+    @check_multiple_targets_input
     def set_background_data(self, data: Optional[Table]):
         self.background_data = data
 
     @Inputs.model
+    @check_multiple_targets_input
     def set_model(self, model: Optional[Model]):
         self.closeContext()
         self.model = model
@@ -614,7 +621,9 @@ def clear(self):
         self.__results = None
         self.cancel()
         self.clear_scene()
-        self.clear_messages()
+        self.Error.domain_transform_err.clear()
+        self.Error.unknown_err.clear()
+        self.Information.multiple_instances.clear()
 
     def check_inputs(self):
         if self.data and len(self.data) > 1:

orangecontrib/explain/widgets/owexplainpredictions.py

@@ -19,6 +19,10 @@
 from Orange.data import Table, Domain, ContinuousVariable, Variable
 from Orange.data.table import DomainTransformationError
 from Orange.widgets import gui
+try:
+    from Orange.widgets.utils.multi_target import check_multiple_targets_input
+except ImportError:
+    check_multiple_targets_input = lambda f: f
 from Orange.widgets.settings import ContextSetting, Setting, \
     PerfectDomainContextHandler
 from Orange.widgets.utils.annotated_data import ANNOTATED_DATA_SIGNAL_NAME, \
@@ -649,6 +653,7 @@ def _add_buttons(self):
 
     @Inputs.data
     @check_sql_input
+    @check_multiple_targets_input
     def set_data(self, data: Optional[Table]):
         self.closeContext()
         self.data = data
@@ -658,10 +663,12 @@ def set_data(self, data: Optional[Table]):
 
     @Inputs.background_data
     @check_sql_input
+    @check_multiple_targets_input
     def set_background_data(self, data: Optional[Table]):
         self.background_data = data
 
     @Inputs.model
+    @check_multiple_targets_input
     def set_model(self, model: Optional[Model]):
         self.model = model
 

orangecontrib/explain/widgets/owice.py

@@ -37,6 +37,10 @@
 
 from orangecontrib.explain.inspection import individual_condition_expectation
 from orangewidget.utils.visual_settings_dlg import VisualSettingsDialog
+try:
+    from Orange.widgets.utils.multi_target import check_multiple_targets_input
+except ImportError:
+    check_multiple_targets_input = lambda f: f
 
 
 class RunnerResults(SimpleNamespace):
@@ -621,12 +625,14 @@ def _add_buttons(self):
 
     @Inputs.data
     @check_sql_input
+    @check_multiple_targets_input
     def set_data(self, data: Optional[Table]):
         self.data = data
         self.__sampled_mask = None
         self._check_data()
 
     @Inputs.model
+    @check_multiple_targets_input
     def set_model(self, model: Optional[Model]):
         self.model = model