NaN warnings activated in the Spectrum Viewer (#2186)

docs/release_notes/next/fix-2185-spectrum-nan-warning

@@ -0,0 +1 @@
+#2185: NaN warning icon now appears in the Spectrum Viewer when NaN are in averaged image

mantidimaging/gui/windows/spectrum_viewer/spectrum_widget.py

@@ -14,6 +14,9 @@
 from mantidimaging.core.utility.sensible_roi import SensibleROI
 from mantidimaging.gui.widgets.mi_mini_image_view.view import MIMiniImageView
 
+if TYPE_CHECKING:
+    from mantidimaging.gui.windows.main import MainWindowView  # noqa:F401   # pragma: no cover
+
 if TYPE_CHECKING:
     import numpy as np
 
@@ -113,12 +116,12 @@ class SpectrumWidget(QWidget):
     spectrum_plot_widget: SpectrumPlotWidget
     image_widget: SpectrumProjectionWidget
 
-    def __init__(self) -> None:
+    def __init__(self, main_window: MainWindowView) -> None:
         super().__init__()
 
         self.vbox = QVBoxLayout(self)
 
-        self.image_widget = SpectrumProjectionWidget()
+        self.image_widget = SpectrumProjectionWidget(main_window)
         self.image = self.image_widget.image
         self.spectrum_plot_widget = SpectrumPlotWidget()
         self.spectrum = self.spectrum_plot_widget.spectrum
@@ -351,8 +354,13 @@ def set_tof_axis_label(self, tof_axis_label: str) -> None:
 class SpectrumProjectionWidget(GraphicsLayoutWidget):
     image: MIMiniImageView
 
-    def __init__(self) -> None:
-        super().__init__()
+    def __init__(self, parent: MainWindowView) -> None:
+        super().__init__(parent)
+        self._main_window = parent
         self.image = MIMiniImageView(name="Projection", view_box_type=CustomViewBox)
         self.addItem(self.image, 0, 0)
         self.ci.layout.setRowStretchFactor(0, 3)
+
+        nan_check_menu = [("Crop Coordinates", lambda: self._main_window.presenter.show_operation("Crop Coordinates")),
+                          ("NaN Removal", lambda: self._main_window.presenter.show_operation("NaN Removal"))]
+        self.image.enable_nan_check(actions=nan_check_menu)

mantidimaging/gui/windows/spectrum_viewer/test/spectrum_test.py

@@ -25,7 +25,7 @@ def setUp(self) -> None:
         self.view = mock.create_autospec(SpectrumViewerWindowView)
         self.view.current_dataset_id = uuid.uuid4()
         self.view.parent = mock.create_autospec(SpectrumViewerWindowPresenter)
-        self.spectrum_widget = SpectrumWidget()
+        self.spectrum_widget = SpectrumWidget(self.main_window)
         self.spectrum_plot_widget = SpectrumPlotWidget()
         self.sensible_roi = SensibleROI.from_list([0, 0, 0, 0])
 

mantidimaging/gui/windows/spectrum_viewer/view.py

@@ -74,7 +74,7 @@ def __init__(self, main_window: MainWindowView):
 
         self.presenter = SpectrumViewerWindowPresenter(self, main_window)
 
-        self.spectrum_widget = SpectrumWidget()
+        self.spectrum_widget = SpectrumWidget(main_window)
         self.spectrum = self.spectrum_widget.spectrum_plot_widget
 
         self.imageLayout.addWidget(self.spectrum_widget)