diff options
Diffstat (limited to 'lib/taurus/qt/qtgui/table/taurusvaluestable_ro.py')
| -rw-r--r-- | lib/taurus/qt/qtgui/table/taurusvaluestable_ro.py | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/lib/taurus/qt/qtgui/table/taurusvaluestable_ro.py b/lib/taurus/qt/qtgui/table/taurusvaluestable_ro.py new file mode 100644 index 00000000..82a9d640 --- /dev/null +++ b/lib/taurus/qt/qtgui/table/taurusvaluestable_ro.py @@ -0,0 +1,159 @@ +#!/usr/bin/env python + +############################################################################# +## +## This file is part of Taurus +## +## http://taurus-scada.org +## +## Copyright 2011 CELLS / ALBA Synchrotron, Bellaterra, Spain +## +## Taurus is free software: you can redistribute it and/or modify +## it under the terms of the GNU Lesser General Public License as published by +## the Free Software Foundation, either version 3 of the License, or +## (at your option) any later version. +## +## Taurus 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 Lesser General Public License for more details. +## +## You should have received a copy of the GNU Lesser General Public License +## along with Taurus. If not, see <http://www.gnu.org/licenses/>. +## +############################################################################# + +""" +taurusvaluestable.py: +""" + +__all__ = ["TaurusValuesTable_OLD"] + +__docformat__ = 'restructuredtext' + +import numpy + +from taurus.external.qt import Qt + +import PyTango + +import taurus.core +from taurus.core.util.colors import ATTRIBUTE_QUALITY_PALETTE +from taurus.qt.qtgui.base import TaurusBaseWidget + +class TaurusValuesTable_OLD(Qt.QTableWidget, TaurusBaseWidget): + '''This widget gets spectra or images as model and shows a table containing + the values in the model + + .. warning:: this is an old Read-only implementation of `TaurusValuesTable`. + Use the newer implentation (which allows editing). + This one is here only for compatibility and will be eventually + removed. + ''' + + __pyqtSignals__ = ("modelChanged(const QString &)",) + + def __init__(self, parent = None, designMode = False): + name = self.__class__.__name__ + self.call__init__wo_kw(Qt.QTableWidget, parent) + self.call__init__(TaurusBaseWidget, name, designMode=designMode) + #@TODO add event filter once the backwards compatibility is not needed + self.setEditTriggers(self.NoEditTriggers) #the table is non-editable by default + self.setShowQuality(False) #by default it does not show the quality on background + + #-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~- + # TaurusBaseWidget overwriting + #-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~- + + def getModelClass(self): + return taurus.core.taurusattribute.TaurusAttribute + + def isReadOnly(self): + return True + + def handleEvent(self, src, evt_type, val): + if evt_type in [taurus.core.taurusbasetypes.TaurusEventType.Change, taurus.core.taurusbasetypes.TaurusEventType.Periodic] and val is not None: + values=numpy.array(val.value) + #reshape the table + if val.data_format == PyTango.AttrDataFormat.SPECTRUM: + rows, columns = values.size, 1 + elif val.data_format == PyTango.AttrDataFormat.IMAGE: + rows, columns = values.shape + else: + self.warning('unsupported data format %s'%str(val.data_format)) + return + self.setRowCount(rows) + self.setColumnCount(columns) + + #fill the table + values = values.reshape(rows,columns) #make sure it is in matrix form (not a vector) + for j in xrange(columns): + for i in xrange(rows): + self.setItem(i,j,Qt.QTableWidgetItem(str(values[i,j])) ) #extremely inefficient!! #@TODO + self.updateStyle() + + def eventHandle(self, *args): + '''Only here for backwards compatibility. It will disapear soon. Not supported''' + self.info('using deprecated event handling methods.') + model = self.getModelObj() + val = model.getValueObj() + self.handleEvent(model, taurus.core.taurusbasetypes.TaurusEventType.Change, val) + + def updateStyle(self): + if self.getShowQuality(): + val = self.getModelValueObj() + quality = getattr(val, 'quality', None) + stylesheet = "TaurusValuesTable {%s}"%ATTRIBUTE_QUALITY_PALETTE.qtStyleSheet(quality) + else: + stylesheet = "TaurusValuesTable {}" + self.setStyleSheet(stylesheet) + self.resizeColumnsToContents() + self.horizontalHeader().setStretchLastSection(True) + + def setModel(self, model): + if isinstance(model, Qt.QAbstractItemModel): + return Qt.QTableWidget.setModel(self, model) + return TaurusBaseWidget.setModel(self, model) + +# @classmethod +# def getQtDesignerPluginInfo(cls): +# ret = TaurusBaseWidget.getQtDesignerPluginInfo() +# ret['module'] = 'taurus.qt.qtgui.table' +# ret['group'] = 'Taurus Views' +# ret['icon'] = ":/designer/table.png" +# return ret + + #-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~- + # QT property definition + #-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~- + + model = Qt.pyqtProperty("QString", TaurusBaseWidget.getModel, + TaurusBaseWidget.setModel, + TaurusBaseWidget.resetModel) + + useParentModel = Qt.pyqtProperty("bool", + TaurusBaseWidget.getUseParentModel, + TaurusBaseWidget.setUseParentModel, + TaurusBaseWidget.resetUseParentModel) + + showQuality = Qt.pyqtProperty("bool", + TaurusBaseWidget.getShowQuality, + TaurusBaseWidget.setShowQuality, + TaurusBaseWidget.resetShowQuality) + + +if __name__ == '__main__': + import sys + app = Qt.QApplication([]) + + if len(sys.argv) == 2: + model = sys.argv[1] + else: + model = 'bl97/pysignalsimulator/1/value1' + + w = TaurusValuesTable() + + w.setModel(model) + w.setShowQuality(True) + w.show() + sys.exit(app.exec_())
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