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script/test/diffcalc (copy)/diffcalc/gdasupport/scannable/parameter.py

@@ -0,0 +1,45 @@
+###
+# Copyright 2008-2011 Diamond Light Source Ltd.
+# This file is part of Diffcalc.
+#
+# Diffcalc is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Diffcalc is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Diffcalc.  If not, see <http://www.gnu.org/licenses/>.
+###
+
+try:
+    from gda.device.scannable import ScannableMotionBase
+except ImportError:
+    from diffcalc.gdasupport.minigda.scannable import \
+        ScannableBase as ScannableMotionBase
+
+
+class DiffractionCalculatorParameter(ScannableMotionBase):
+
+    def __init__(self, name, parameterName, parameter_manager):
+
+        self.parameter_manager = parameter_manager
+        self.parameterName = parameterName
+
+        self.setName(name)
+        self.setInputNames([parameterName])
+        self.setOutputFormat(['%5.5f'])
+        self.setLevel(3)
+
+    def asynchronousMoveTo(self, value):
+        self.parameter_manager.set_constraint(self.parameterName, value)
+
+    def getPosition(self):
+        return self.parameter_manager.get_constraint(self.parameterName)
+
+    def isBusy(self):
+        return False