f0ea4bd9b8
stringify at the latest possible moment, not the earliest Change-Id: I230138c5787f97a72e8726ddc3546c61092d87c5 Reviewed-on: https://forge.frm2.tum.de/review/17858 Tested-by: JenkinsCodeReview <bjoern_pedersen@frm2.tum.de> Reviewed-by: Enrico Faulhaber <enrico.faulhaber@frm2.tum.de>
370 lines
13 KiB
Python
370 lines
13 KiB
Python
# -*- coding: utf-8 -*-
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# *****************************************************************************
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# Copyright (c) 2015-2016 by the authors, see LICENSE
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#
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# This program is free software; you can redistribute it and/or modify it under
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# the terms of the GNU General Public License as published by the Free Software
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# Foundation; either version 2 of the License, or (at your option) any later
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# version.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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# details.
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#
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# You should have received a copy of the GNU General Public License along with
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# this program; if not, write to the Free Software Foundation, Inc.,
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# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# Module authors:
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# Alexander Lenz <alexander.lenz@frm2.tum.de>
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# Enrico Faulhaber <enrico.faulhaber@frm2.tum.de>
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#
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# *****************************************************************************
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from __future__ import print_function
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try:
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# py2
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unicode(u'')
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except NameError:
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# py3
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unicode = str # pylint: disable=redefined-builtin
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from secop.gui.util import loadUi
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from secop.gui.params import ParameterView
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#from secop.datatypes import ...
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from secop.gui.qt import QDialog, QLabel, QCheckBox, QWidget, QMessageBox, \
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QPushButton, QSizePolicy
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from secop.gui.valuewidgets import get_widget
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class CommandDialog(QDialog):
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def __init__(self, cmdname, arglist, parent=None):
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super(CommandDialog, self).__init__(parent)
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loadUi(self, 'cmddialog.ui')
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self.setWindowTitle('Arguments for %s' % cmdname)
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row = 0
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self._labels = []
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self.widgets = []
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for row, dtype in enumerate(arglist):
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l = QLabel(repr(dtype))
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l.setWordWrap(True)
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w = get_widget(dtype, readonly=False)
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self.gridLayout.addWidget(l, row, 0)
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self.gridLayout.addWidget(w, row, 1)
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self._labels.append(l)
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self.widgets.append(w)
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self.gridLayout.setRowStretch(len(arglist), 1)
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self.setModal(True)
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self.resize(self.sizeHint())
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def get_value(self):
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return [w.get_value() for w in self.widgets]
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def exec_(self):
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if super(CommandDialog, self).exec_():
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return self.get_value()
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return None
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def showCommandResultDialog(command, args, result, extras=''):
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m = QMessageBox()
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if not args:
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args = ''
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m.setText('calling: %s(%s)\nyielded: %s\nqualifiers: %s' %
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(command, args, result, extras))
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m.exec_()
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def showErrorDialog(error):
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m = QMessageBox()
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m.setText('Error %r' % error)
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m.exec_()
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class ParameterGroup(QWidget):
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def __init__(self, groupname, parent=None):
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super(ParameterGroup, self).__init__(parent)
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loadUi(self, 'paramgroup.ui')
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self._groupname = groupname
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self._row = 0
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self._widgets = []
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self.paramGroupBox.setTitle('Group: ' + unicode(groupname))
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self.paramGroupBox.toggled.connect(self.on_toggle_clicked)
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self.paramGroupBox.setChecked(False)
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def addWidgets(self, label, widget):
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self._widgets.extend((label, widget))
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self.paramGroupBox.layout().addWidget(label, self._row, 0)
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self.paramGroupBox.layout().addWidget(widget, self._row, 1)
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label.hide()
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widget.hide()
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self._row += 1
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def on_toggle_clicked(self):
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if self.paramGroupBox.isChecked():
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for w in self._widgets:
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w.show()
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else:
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for w in self._widgets:
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w.hide()
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class CommandButton(QPushButton):
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def __init__(self, cmdname, cmdinfo, cb, parent=None):
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super(CommandButton, self).__init__(parent)
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self._cmdname = cmdname
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self._argintypes = cmdinfo['arguments'] # list of datatypes
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self.resulttype = cmdinfo['resulttype']
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self._cb = cb # callback function for exection
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self.setText(cmdname)
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if cmdinfo['description']:
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self.setToolTip(cmdinfo['description'])
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self.pressed.connect(self.on_pushButton_pressed)
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def on_pushButton_pressed(self):
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self.setEnabled(False)
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if self._argintypes:
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dlg = CommandDialog(self._cmdname, self._argintypes)
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args = dlg.exec_()
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if args: # not 'Cancel' clicked
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self._cb(self._cmdname, args)
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else:
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# no need for arguments
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self._cb(self._cmdname, None)
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self.setEnabled(True)
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class ModuleCtrl(QWidget):
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def __init__(self, node, module, parent=None):
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super(ModuleCtrl, self).__init__(parent)
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loadUi(self, 'modulectrl.ui')
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self._node = node
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self._module = module
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self._lastclick = None
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self._paramWidgets = {} # widget cache do avoid garbage collection
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self._groupWidgets = {} # cache of grouping widgets
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self._labelfont = self.font()
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self._labelfont.setBold(True)
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self.moduleNameLabel.setText(module)
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self._initModuleWidgets()
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self._node.newData.connect(self._updateValue)
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def _execCommand(self, command, args=None):
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if not args:
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args = tuple()
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result, qualifiers = self._node.execCommand(
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self._module, command, args)
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showCommandResultDialog(command, args, result, qualifiers)
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def _initModuleWidgets(self):
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initValues = self._node.queryCache(self._module)
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row = 0
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# ignore groupings for commands (for now)
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commands = self._node.getCommands(self._module)
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# keep a reference or the widgets are detroyed to soon.
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self.cmdWidgets = cmdWidgets = {}
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# create and insert widgets into our QGridLayout
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for command in sorted(commands):
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# XXX: fetch and use correct datatypes here!
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w = CommandButton(command, commands[command], self._execCommand)
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cmdWidgets[command] = w
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self.commandGroupBox.layout().addWidget(w, 0, row)
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row += 1
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row = 0
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# collect grouping information
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paramsByGroup = {} # groupname -> [paramnames]
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allGroups = set()
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params = self._node.getParameters(self._module)
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for param in params:
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props = self._node.getProperties(self._module, param)
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group = props.get('group', None)
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if group is not None:
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allGroups.add(group)
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paramsByGroup.setdefault(group, []).append(param)
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# enforce reading initial value if not already in cache
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if param not in initValues:
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self._node.getParameter(self._module, param)
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# groupname -> CheckBoxWidget for (un)folding
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self._groupWidgets = groupWidgets = {}
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# create and insert widgets into our QGridLayout
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for param in sorted(allGroups.union(set(params))):
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labelstr = param + ':'
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if param in paramsByGroup:
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group = param
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# is the name of a group -> create (un)foldable label
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checkbox = QCheckBox(labelstr)
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checkbox.setFont(self._labelfont)
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groupWidgets[param] = checkbox
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# check if there is a param of the same name too
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if group in params:
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datatype = self._node.getProperties(
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self._module, group).get(
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'datatype', None)
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# yes: create a widget for this as well
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labelstr, buttons = self._makeEntry(
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param, initValues[param].value, datatype=datatype, nolabel=True, checkbox=checkbox, invert=True)
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checkbox.setText(labelstr)
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# add to Layout (yes: ignore the label!)
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self.paramGroupBox.layout().addWidget(checkbox, row, 0)
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self.paramGroupBox.layout().addWidget(buttons, row, 1)
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else:
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self.paramGroupBox.layout().addWidget(checkbox, row, 0, 1, 2) # or .. 1, 2) ??
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row += 1
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# loop over all params and insert and connect
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for param_ in paramsByGroup[param]:
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if param_ == group:
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continue
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if param_ not in initValues:
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initval = None
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print("Warning: %r not in initValues!" % param_)
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else:
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initval = initValues[param_].value
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datatype = self._node.getProperties(
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self._module, param_).get(
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'datatype', None)
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label, buttons = self._makeEntry(
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param_, initval, checkbox=checkbox, invert=False)
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# add to Layout
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self.paramGroupBox.layout().addWidget(label, row, 0)
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self.paramGroupBox.layout().addWidget(buttons, row, 1)
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row += 1
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else:
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# param is a 'normal' param: create a widget if it has no group
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# or is named after a group (otherwise its created above)
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props = self._node.getProperties(self._module, param)
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if props.get('group', param) == param:
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datatype = self._node.getProperties(
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self._module, param).get(
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'datatype', None)
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label, buttons = self._makeEntry(
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param, initValues[param].value, datatype=datatype)
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# add to Layout
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self.paramGroupBox.layout().addWidget(label, row, 0)
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self.paramGroupBox.layout().addWidget(buttons, row, 1)
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row += 1
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# also populate properties
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self._propWidgets = {}
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props = self._node.getModuleProperties(self._module)
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row = 0
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for prop in sorted(props):
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label = QLabel(prop + ':')
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label.setFont(self._labelfont)
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label.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Preferred)
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# make 'display' label
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view = QLabel(unicode(props[prop]))
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view.setFont(self.font())
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view.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Preferred)
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view.setWordWrap(True)
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self.propertyGroupBox.layout().addWidget(label, row, 0)
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self.propertyGroupBox.layout().addWidget(view, row, 1)
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row += 1
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self._propWidgets[prop] = (label, view)
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def _makeEntry(
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self,
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param,
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initvalue,
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datatype=None,
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nolabel=False,
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checkbox=None,
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invert=False):
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props = self._node.getProperties(self._module, param)
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description = props.get('description', '')
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unit = props.get('unit', '')
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if unit:
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labelstr = '%s (%s):' % (param, unit)
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else:
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labelstr = '%s:' % (param,)
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if checkbox and not invert:
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labelstr = ' ' + labelstr
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buttons = ParameterView(
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self._module,
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param,
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datatype=datatype,
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initvalue=initvalue,
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readonly=props['readonly'])
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buttons.setRequested.connect(self._set_Button_pressed)
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if description:
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buttons.setToolTip(description)
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if nolabel:
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label = labelstr
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else:
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label = QLabel(labelstr)
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label.setFont(self._labelfont)
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if checkbox:
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def stateChanged(
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newstate,
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buttons=buttons,
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label=None if nolabel else label,
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invert=invert):
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if (newstate and not invert) or (invert and not newstate):
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buttons.show()
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if label:
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label.show()
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else:
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buttons.hide()
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if label:
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label.hide()
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# set initial state
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stateChanged(0)
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# connect
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checkbox.stateChanged.connect(stateChanged)
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self._paramWidgets[param] = (label, buttons)
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return label, buttons
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def _set_Button_pressed(self, module, parameter, target):
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try:
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self._node.setParameter(module, parameter, target)
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except Exception as e:
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QMessageBox.warning(self.parent(), 'Operation failed', unicode(e))
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def _updateValue(self, module, parameter, value):
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if module != self._module:
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return
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# value is [data, qualifiers]
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# note: update subwidgets with the data portion only
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# note: paramwidgets[..][1] is a ParameterView from secop.gui.params
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self._paramWidgets[parameter][1].updateValue(value[0])
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