frappy/secop/gui/modulectrl.py
Enrico Faulhaber 462b6a0a7e autopep8
Change-Id: I4e40e0ef8e80999832846eac3a415fdd767c6d98
2017-05-24 17:15:20 +02:00

128 lines
4.3 KiB
Python

# -*- coding: utf-8 -*-
# *****************************************************************************
# Copyright (c) 2015-2016 by the authors, see LICENSE
#
# This program 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 2 of the License, or (at your option) any later
# version.
#
# This program 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
# this program; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Module authors:
# Alexander Lenz <alexander.lenz@frm2.tum.de>
#
# *****************************************************************************
from PyQt4.QtGui import QWidget, QLabel, QMessageBox
from PyQt4.QtCore import pyqtSignature as qtsig, Qt, pyqtSignal
from secop.gui.util import loadUi
class ParameterButtons(QWidget):
setRequested = pyqtSignal(str, str, str) # module, parameter, target
def __init__(self,
module,
parameter,
initval='',
readonly=True,
parent=None):
super(ParameterButtons, self).__init__(parent)
loadUi(self, 'parambuttons.ui')
self._module = module
self._parameter = parameter
self.currentLineEdit.setText(str(initval))
if readonly:
self.setPushButton.setEnabled(False)
self.setLineEdit.setEnabled(False)
else:
self.setLineEdit.returnPressed.connect(
self.on_setPushButton_clicked)
def on_setPushButton_clicked(self):
self.setRequested.emit(self._module, self._parameter,
self.setLineEdit.text())
class ModuleCtrl(QWidget):
def __init__(self, node, module, parent=None):
super(ModuleCtrl, self).__init__(parent)
loadUi(self, 'modulectrl.ui')
self._node = node
self._module = module
self._lastclick = None
self._paramWidgets = {} # widget cache do avoid garbage collection
self.moduleNameLabel.setText(module)
self._initModuleWidgets()
self._node.newData.connect(self._updateValue)
def _initModuleWidgets(self):
initValues = self._node.queryCache(self._module)
row = 0
font = self.font()
font.setBold(True)
for param in sorted(self._node.getParameters(self._module)):
labelstr = param + ':'
unit = self._node.getProperties(self._module, param).get('unit',
'')
descr = self._node.getProperties(self._module,
param).get('description', '')
if unit:
labelstr = "%s (%s):" % (param, unit)
label = QLabel(labelstr)
label.setFont(font)
props = self._node.getProperties(self._module, param)
buttons = ParameterButtons(self._module, param,
initValues[param].value,
props['readonly'])
# buttons.setRequested.connect(self._node.setParameter)
buttons.setRequested.connect(self._set_Button_pressed)
if descr:
buttons.setToolTip(descr)
self.paramGroupBox.layout().addWidget(label, row, 0)
self.paramGroupBox.layout().addWidget(buttons, row, 1)
self._paramWidgets[param] = (label, buttons)
row += 1
def _set_Button_pressed(self, module, parameter, target):
sig = (module, parameter, target)
if self._lastclick == sig:
return
self._lastclick = sig
try:
self._node.setParameter(module, parameter, target)
except Exception as e:
QMessageBox.warning(self.parent(), 'Operation failed', str(e))
def _updateValue(self, module, parameter, value):
if module != self._module:
return
self._paramWidgets[parameter][1].currentLineEdit.setText(str(value[0]))