[core][process] Add _GrainPlot class

darfix/core/process.py

@@ -31,13 +31,16 @@ Orange workflow and later be converted to a script without the GUI part needed.
 
 __authors__ = ["J. Garriga"]
 __license__ = "MIT"
-__date__ = "23/11/2020"
+__date__ = "16/07/2021"
 
 
 import numpy
 from collections import namedtuple
+
+from silx.gui import qt
 from darfix.core import utils
 from darfix.gui.blindSourceSeparationWidget import Method
+from darfix.gui.grainPlotWidget import GrainPlotWidget
 
 _input_desc = namedtuple("_input_desc", ["name", "type", "handler", "doc"])
 
@@ -241,3 +244,21 @@ class _RockingCurves:
 
     def set_properties(self, properties):
         self._properties = properties
+
+
+class _GrainPlot:
+    inputs = [_input_desc(name='dataset', type=tuple, handler='process',
+                          doc='dataset to process'), ]
+
+    outputs = [
+        _output_desc(name='dataset', type=tuple, doc='dataset to process'), ]
+
+    def process(self, dataset):
+        app = qt.QApplication([])
+        widget = GrainPlotWidget()
+        if dataset:
+            widget.setDataset(*dataset)
+        widget.setAttribute(qt.Qt.WA_DeleteOnClose)
+        widget.show()
+        app.exec_()
+        return dataset