Source code for brainvisa.configuration.qt4gui.spm_configuration_qt4gui

# -*- coding: utf-8 -*-

#  This software and supporting documentation are distributed by
#      Institut Federatif de Recherche 49
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#
# This software is governed by the CeCILL license version 2 under
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# You can  use, modify and/or redistribute the software under the
# terms of the CeCILL license version 2 as circulated by CEA, CNRS
# and INRIA at the following URL "http://www.cecill.info".
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from __future__ import print_function

from __future__ import absolute_import
from brainvisa.processing.qtgui.backwardCompatibleQt import QWidget, QVBoxLayout, QHBoxLayout, QSpacerItem, QSizePolicy, QPushButton, Qt, QApplication, QCursor
import brainvisa.processing.qtgui.backwardCompatibleQt as qt
from soma.qtgui.api import QtGUI
from soma.signature.qt4gui.signature_qt4gui import HasSignature_Qt4GUI
from soma.translation import translate as _t_
from soma.wip.application.api import Application

#------------------------------------------------------------------------------


class SPMConfiguration_Qt4GUI(QtGUI):

    '''
    This class adds a 'guess configuration' button to default GUI.
    '''

    def __init__(self, instance):
        QtGUI.__init__(self, instance)
        self._defaultGUI = HasSignature_Qt4GUI(instance)

    def editionWidget(self, value, parent=None, name=None, live=True):
        widget = QWidget(parent)
        if name:
            widget.setObjectName(name)
        layout = QVBoxLayout()
        layout.setContentsMargins(0, 0, 0, 0)
        layout.setSpacing(6)
        self._defaultWidget = self._defaultGUI.editionWidget(
            value, parent=widget, live=True)
        layout.addWidget(self._defaultWidget)
        widget.setLayout(layout)

        layout2 = QHBoxLayout()
        layout2.setContentsMargins(0, 0, 0, 0)
        layout2.setSpacing(6)
        spacer = QSpacerItem(1, 1, QSizePolicy.Expanding, QSizePolicy.Minimum)
        layout2.addItem(spacer)
        self.btnGuess = QPushButton(_t_('Auto detect'), widget)
        # self.btnGuess.setEnabled( False )
        layout2.addWidget(self.btnGuess)
        spacer = QSpacerItem(1, 1, QSizePolicy.Expanding, QSizePolicy.Minimum)
        layout2.addItem(spacer)
        self.btnGuess.pressed.connect(self.guess)

        layout.addLayout(layout2)
        return widget

    def closeEditionWidget(self, editionWidget):
        self.btnGuess.deleteLater()
        self._defaultGUI.closeEditionWidget(self._defaultWidget)
        editionWidget.close()
        editionWidget.deleteLater()

    def setObject(self, editionWidget, value):
        self._defaultGUI.setObject(self._defaultWidget, value)

    def updateEditionWidget(self, editionWidget, value):
        self._defaultGUI.updateEditionWidget(self._defaultWidget, value)

    def guess(self):
        print('Trying to guess SPM configuration...')
        QApplication.setOverrideCursor(QCursor(Qt.WaitCursor))
        try:
            import brainvisa.processes
            spmpathcheck = brainvisa.processes.getProcessInstance(
                'spmpathcheck')
            if spmpathcheck:
                brainvisa.processes.defaultContext().runProcess(spmpathcheck)
                # spmpathcheck modifies the configuration object and the GUI is
                # automatically updated because it is edited with live=True
                # option which enables the GUI to listen the model changes.
        finally:
            QApplication.restoreOverrideCursor()