# -*- coding: iso-8859-1 -*-
#
#-------------------------------------------------------------------------------
#
#     This file is part of the Code_Saturne User Interface, element of the
#     Code_Saturne CFD tool.
#
#     Copyright (C) 1998-2009 EDF S.A., France
#
#     contact: saturne-support@edf.fr
#
#     The Code_Saturne User Interface 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.
#
#     The Code_Saturne User Interface 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 the Code_Saturne Kernel; if not, write to the
#     Free Software Foundation, Inc.,
#     51 Franklin St, Fifth Floor,
#     Boston, MA  02110-1301  USA
#
#-------------------------------------------------------------------------------

"""
This module contains the following classes:
- BoundaryConditionsSlidingWallView
"""

#-------------------------------------------------------------------------------
# Standard modules
#-------------------------------------------------------------------------------

import string, logging

#-------------------------------------------------------------------------------
# Third-party modules
#-------------------------------------------------------------------------------

from PyQt4.QtCore import *
from PyQt4.QtGui  import *

#-------------------------------------------------------------------------------
# Application modules import
#-------------------------------------------------------------------------------

from Pages.BoundaryConditionsSlidingWallForm import Ui_BoundaryConditionsSlidingWallForm
from Pages.MobileMeshModel import MobileMeshModel

from Base.Toolbox import GuiParam
from Base.QtPage import DoubleValidator, ComboModel
from Pages.LocalizationModel import LocalizationModel, Zone
from Pages.Boundary import Boundary

#-------------------------------------------------------------------------------
# log config
#-------------------------------------------------------------------------------

logging.basicConfig()
log = logging.getLogger("BoundaryConditionsSlidingWallView")
log.setLevel(GuiParam.DEBUG)

#-------------------------------------------------------------------------------
# Main class
#-------------------------------------------------------------------------------

class BoundaryConditionsSlidingWallView(QWidget, Ui_BoundaryConditionsSlidingWallForm):
    """
    Boundary conditions for sliding wall
    """
    def __init__(self, parent):
        """
        Constructor
        """
        QWidget.__init__(self, parent)

        Ui_BoundaryConditionsSlidingWallForm.__init__(self)
        self.setupUi(self)


    def setup(self, case):
        """
        Setup the widget
        """
        self.__case = case
        self.__boundary = None

        self.connect(self.groupBoxSliding, SIGNAL("clicked(bool)"), self.__slotSlidingWall)

        self.connect(self.lineEditSlideU, SIGNAL("textChanged(const QString &)"), self.__slotVelocityU)
        self.connect(self.lineEditSlideV, SIGNAL("textChanged(const QString &)"), self.__slotVelocityV)
        self.connect(self.lineEditSlideW, SIGNAL("textChanged(const QString &)"), self.__slotVelocityW)

        validatorSlideU = DoubleValidator(self.lineEditSlideU)
        validatorSlideV = DoubleValidator(self.lineEditSlideV)
        validatorSlideW = DoubleValidator(self.lineEditSlideW)

        self.lineEditSlideU.setValidator(validatorSlideU)
        self.lineEditSlideV.setValidator(validatorSlideV)
        self.lineEditSlideW.setValidator(validatorSlideW)


    def showWidget(self, boundary):
        """
        Show the widget
        """
        if MobileMeshModel(self.__case).getMethod() == "off":
            self.__boundary = boundary
            if self.__boundary.getVelocityChoice() == "on":
                self.groupBoxSliding.setChecked(True)
                checked = True
            else:
                self.groupBoxSliding.setChecked(False)
                checked = False
            self.__slotSlidingWall(checked)
            self.show()
        else:
            self.hideWidget()


    def hideWidget(self):
        """
        Hide all the widget
        """
        self.hide()


    @pyqtSignature("bool")
    def __slotSlidingWall(self, checked):
        """
        Private slot.

        Activates sliding wall boundary condition.

        @type checked: C{True} or C{False}
        @param checked: if C{True}, shows the QGroupBox sliding wall parameters.
        """
        self.groupBoxSliding.setFlat(not checked)

        if checked:
            self.__boundary.setVelocityChoice("on")
            self.frameSlideVelocity.show()
            u, v, w = self.__boundary.getVelocities()
        else:
            self.__boundary.setVelocityChoice("off")
            self.frameSlideVelocity.hide()
            u, v, w = 0.0, 0.0, 0.0
        self.lineEditSlideU.setText(QString(str(u)))
        self.lineEditSlideV.setText(QString(str(v)))
        self.lineEditSlideW.setText(QString(str(w)))


    @pyqtSignature("const QString&")
    def __slotVelocityU(self, text):
        """
        Private slot.

        If sliding wall activated, input U velocity component.

        @type text: C{QString}
        @param text: sliding wall U velocity component.
        """
        value, ok = text.toDouble()
        if self.sender().validator().state == QValidator.Acceptable:
            self.__boundary.setVelocityComponent(value, 'velocity_U')


    @pyqtSignature("const QString&")
    def __slotVelocityV(self, text):
        """
        Private slot.

        If sliding wall activated, input V velocity component.

        @type text: C{QString}
        @param text: sliding wall V velocity component.
        """
        value, ok = text.toDouble()
        if self.sender().validator().state == QValidator.Acceptable:
            self.__boundary.setVelocityComponent(value, 'velocity_V')


    @pyqtSignature("const QString&")
    def __slotVelocityW(self, text):
        """
        Private slot.

        If sliding wall activated, input W velocity component.

        @type text: C{QString}
        @param text: sliding wall W velocity component.
        """
        value, ok = text.toDouble()
        if self.sender().validator().state == QValidator.Acceptable:
            self.__boundary.setVelocityComponent(value, 'velocity_W')


    def tr(self, text):
        """
        Translation
        """
        return text

#-------------------------------------------------------------------------------
# End
#-------------------------------------------------------------------------------
