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#/*##########################################################################
# Copyright (C) 2004-2015 V.A. Sole, T. Coutinho, European Synchrotron Radiation Facility
#
# This file is part of the PyMca X-ray Fluorescence Toolkit developed at
# the ESRF by the Software group.
#
# 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.
#
#############################################################################*/
__author__ = "V.A. Sole & T. Coutinho - ESRF Data Analysis"
__contact__ = "sole@esrf.fr"
__license__ = "MIT"
__copyright__ = "European Synchrotron Radiation Facility, Grenoble, France"
__doc__ = """
This plugin allows to monitor TANGO attributes in a plot window.
It needs PyTango and Taurus installed to be operational.
To use it from withing PyMca, just add this file to your PyMca/plugins folder.
You can also run it as a stand alone script.
"""
import numpy
from PyMca5.PyMcaCore import Plugin1DBase
from PyMca5.PyMcaGui import PyMcaQt as qt
Qt = qt
from taurus import Attribute
from taurus import Release
from taurus.core import TaurusEventType
from taurus.qt.qtcore.taurusqlistener import QObjectTaurusListener
from taurus.qt.qtgui.panel import TaurusModelChooser
class TaurusPlugin1D(Plugin1DBase.Plugin1DBase, QObjectTaurusListener):
def __init__(self, plotWindow, **kw):
Plugin1DBase.Plugin1DBase.__init__(self, plotWindow, **kw)
QObjectTaurusListener.__init__(self)
# "standard" way to handle multiple calls
self.methodDict = {}
text = "Show the device selector.\n"
text += "Make sure your TANGO_HOST\n"
text += "environment variable is set"
function = self._showTaurusTree
info = text
icon = None
self.methodDict["Show"] =[function,
info,
icon]
self._oldModels = []
self._newModels = []
self._widget = None
def handleEvent(self, evt_src, evt_type, evt_value):
if evt_type not in (TaurusEventType.Change,
TaurusEventType.Periodic):
return
y = evt_value.value
x = numpy.arange(y.shape[0])
self.addCurve(x, y, legend=evt_src.getNormalName())
def onSelectionChanged(self, models):
if self._oldModels in [None, []]:
self._attrDict = {}
for model in models:
try:
attr = Attribute(model)
except:
# old PyTango versions do not handle unicode
attr = Attribute(str(model))
#force a read -> attr.read()
attr.addListener(self)
legend = qt.safe_str(attr.getNormalName())
self._attrDict[legend] = attr
self._oldModels = models
else:
keptModels = []
newModels = []
for model in models:
if model in self._oldModels:
keptModels.append(model)
else:
newModels.append(model)
for model in self._oldModels:
if model not in keptModels:
attr = Attribute(model)
attr.removeListener(self)
legend = qt.safe_str(attr.getNormalName())
if legend in self._attrDict:
del self._attrDict[legend]
print("Trying to remove ", legend)
self.removeCurve(legend, replot=False)
for model in newModels:
attr = Attribute(model)
# attr.read()
attr.addListener(self)
legend = qt.safe_str(attr.getNormalName())
self._attrDict[legend] = attr
self._oldModels = keptModels + newModels
#Methods to be implemented by the plugin
# I should put this mechanism in the base class ...
def getMethods(self, plottype=None):
"""
A list with the NAMES associated to the callable methods
that are applicable to the specified plot.
Plot type can be "SCAN", "MCA", None, ...
"""
# visualize everywhere, therefore ignore MCA or SCAN
# if plottype in ["MCA"]:
# return []
names = list(self.methodDict.keys())
names.sort()
return names
def getMethodToolTip(self, name):
"""
Returns the help associated to the particular method name or None.
"""
return self.methodDict[name][1]
def getMethodPixmap(self, name):
"""
Returns the pixmap associated to the particular method name or None.
"""
return self.methodDict[name][2]
def applyMethod(self, name):
"""
The plugin is asked to apply the method associated to name.
"""
self.methodDict[name][0]()
return
def _showTaurusTree(self):
if self._widget is None:
self._widget = TaurusModelChooser()
#self._adapter = TaurusPyMcaAdapter()
if Release.version_info >= (4,):
self._widget.updateModels.connect(self.onSelectionChanged)
else:
Qt.QObject.connect(self._widget,
Qt.SIGNAL("updateModels"),
self.onSelectionChanged)
self._widget.show()
MENU_TEXT = "Taurus Device Browser"
def getPlugin1DInstance(plotWindow, **kw):
ob = TaurusPlugin1D(plotWindow)
return ob
if __name__ == "__main__":
app = qt.QApplication([])
import os
from PyMca5.PyMcaGui import ScanWindow
plot = ScanWindow.ScanWindow()
pluginDir = os.path.dirname(os.path.abspath(__file__))
SILX = False
if silx:
plot.pluginsToolButton.setPluginDirectoryList([pluginDir])
plot.pluginsToolButton.getPlugins()
else
plot.setPluginDirectoryList([pluginDir])
plot.getPlugins()
plot.show()
app.exec()
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