[orangecontrib] Add magnification widget

orangecontrib/darfix/widgets/magnification.py

+# coding: utf-8
+# /*##########################################################################
+#
+# Copyright (c) 2016-2017 European Synchrotron Radiation Facility
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+# ###########################################################################*/
+
+
+__authors__ = ["J. Garriga"]
+__license__ = "MIT"
+__date__ = "02/06/2021"
+
+
+from Orange.widgets.widget import OWWidget, Input, Output
+from darfix.gui.magnificationWidget import MagnificationWidget
+
+
+class MagnificationWidgetOW(OWWidget):
+    """
+    Widget that computes the background substraction from a dataset
+    """
+
+    name = "magnification"
+    # icon = "icons/pca.png"
+    want_main_area = False
+
+    # Inputs
+    class Inputs:
+        dataset = Input("dataset", tuple)
+
+    # Outputs
+    class Outputs:
+        dataset = Output("dataset", tuple)
+
+    def __init__(self):
+        super().__init__()
+
+        self._widget = MagnificationWidget(parent=self)
+        self._widget.sigComputed.connect(self._sendSignal)
+        self.controlArea.layout().addWidget(self._widget)
+
+    @Inputs.dataset
+    def setDataset(self, dataset):
+        if dataset:
+            self._widget.setDataset(*dataset)
+        else:
+            # Emit None
+            self.Outputs.dataset.send(dataset)
+
+        self.open()
+
+    def _sendSignal(self):
+        """
+        Emits the signal with the new dataset.
+        """
+        self.close()
+        self.Outputs.dataset.send(self._widget.getDataset())