From 772073a02e915bcc951f71e9260042f71329b52d Mon Sep 17 00:00:00 2001
From: janezd <janez.demsar@fri.uni-lj.si>
Date: Wed, 5 Apr 2023 15:18:57 +0200
Subject: [PATCH] Annotate graph_name with graph's types

---
 orangecontrib/educational/widgets/owgradientdescent.py       | 4 ++--
 orangecontrib/educational/widgets/owkmeans.py                | 4 ++--
 orangecontrib/educational/widgets/owpiecharts.py             | 2 +-
 .../educational/widgets/owpolynomialclassification.py        | 5 ++---
 orangecontrib/educational/widgets/owpolynomialregression.py  | 2 +-
 5 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/orangecontrib/educational/widgets/owgradientdescent.py b/orangecontrib/educational/widgets/owgradientdescent.py
index 5e576f2..d44adea 100644
--- a/orangecontrib/educational/widgets/owgradientdescent.py
+++ b/orangecontrib/educational/widgets/owgradientdescent.py
@@ -92,7 +92,7 @@ class Outputs:
         model = Output("Model", Model)
         coefficients = Output("Coefficients", Table)
 
-    graph_name = "grapH"
+    graph_name = "graph"  # QGraphicsView (pg.PlotWidget)
 
     settingsHandler = settings.DomainContextHandler(
         match_values=settings.DomainContextHandler.MATCH_VALUES_CLASS)
@@ -455,7 +455,7 @@ def send_report(self):
         if self.stochastic:
             caption_items += (("Stochastic step size", self.step_size),)
         caption = report.render_items_vert(caption_items)
-        self.report_plot(self.graph)
+        self.report_plot()
         self.report_caption(caption)
 
     ##############################
diff --git a/orangecontrib/educational/widgets/owkmeans.py b/orangecontrib/educational/widgets/owkmeans.py
index f3facc3..24739a9 100644
--- a/orangecontrib/educational/widgets/owkmeans.py
+++ b/orangecontrib/educational/widgets/owkmeans.py
@@ -180,7 +180,7 @@ class Error(OWWidget.Error):
     attr_y = settings.ContextSetting(None)
     sound_effects = settings.Setting(False)
 
-    graph_name = 'scatter'
+    graph_name = 'plot'  # pg.GraphicsItem  (pg.PlotItem)
     move_sound = regroup_sound = None
 
     step_trigger = Signal()
@@ -659,7 +659,7 @@ def send_data(self):
     def send_report(self):
         if self.data is None:
             return
-        self.report_plot(self.plot)
+        self.report_plot()
 
 
 if __name__ == "__main__":
diff --git a/orangecontrib/educational/widgets/owpiecharts.py b/orangecontrib/educational/widgets/owpiecharts.py
index e7b8523..54b4020 100644
--- a/orangecontrib/educational/widgets/owpiecharts.py
+++ b/orangecontrib/educational/widgets/owpiecharts.py
@@ -35,7 +35,7 @@ class Inputs:
     attribute = ContextSetting(None)
     split_var = ContextSetting(None)
     explode = Setting(False)
-    graph_name = "scene"
+    graph_name = "scene"  # QGraphicsScene
 
     def __init__(self):
         super().__init__()
diff --git a/orangecontrib/educational/widgets/owpolynomialclassification.py b/orangecontrib/educational/widgets/owpolynomialclassification.py
index 774b978..2ed4798 100644
--- a/orangecontrib/educational/widgets/owpolynomialclassification.py
+++ b/orangecontrib/educational/widgets/owpolynomialclassification.py
@@ -98,7 +98,7 @@ class Outputs(OWBaseLearner.Outputs):
     degree = Setting(1)
     contours_enabled = Setting(True)
 
-    graph_name = 'graph'
+    graph_name = 'graph.plot_widget'  # QGraphicsView (pg.PlotWidget)
 
     class Error(OWBaseLearner.Error):
         num_features = Msg("Data must contain at least two numeric variables.")
@@ -279,7 +279,6 @@ def select_data(self):
             self.selected_data = self.selected_data[valid_data]
             self.orig_class = self.data.Y[valid_data]
 
-
     def apply(self):
         self.update_model()
         self.send_model()
@@ -544,7 +543,7 @@ def send_report(self):
             return
         name = "" if self.degree == 1 \
             else f"Model with polynomial expansion {self.degree}"
-        self.report_plot(name=name, plot=self.graph.plot_widget)
+        self.report_plot(name=name)
 
 
 if __name__ == "__main__":
diff --git a/orangecontrib/educational/widgets/owpolynomialregression.py b/orangecontrib/educational/widgets/owpolynomialregression.py
index 72697a9..f8191d4 100644
--- a/orangecontrib/educational/widgets/owpolynomialregression.py
+++ b/orangecontrib/educational/widgets/owpolynomialregression.py
@@ -190,7 +190,7 @@ class Outputs(OWBaseLearner.Outputs):
     regressor_name = ""
 
     want_main_area = True
-    graph_name = 'plot'
+    graph_name = 'plot'  # pg.GraphicsItem  (pg.PlotItem)
 
     class Warning(OWBaseLearner.Warning):
         large_diffs = Msg(