File: prelevement.py

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pyacidobasic 2.5-1
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#-*- coding: utf-8 -*-


licence="""
    file prelevement.py: part of the package pyacidobasic version %s:

    Copyright (C) 2010 Georges Khaznadar <georgesk@ofset.org>

    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 3 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, see <http://www.gnu.org/licenses/>.
"""

from PyQt4.QtCore import *
from PyQt4.QtGui import *
from Ui_prelevement import Ui_Dialog
import sys

class prelevementDialog(QDialog):
    def __init__(self, produit=u"non défini"):
        """
        Le constructeur
        @param produit : le nom du produit prélevé
        """
        QDialog.__init__(self)
        self.ui=Ui_Dialog()
        self.ui.setupUi(self)
        vC=QDoubleValidator(0,50,7,None)
        self.ui.lineEditC.setValidator(vC)
        vL=QDoubleValidator(0,1000,2,None)
        self.ui.lineEditV.setValidator(vL)
        self.ui.labelPrelevement.setText(QString(u"prélèvement : %s" %produit))
        
    def getC(self):
        try:
            result=float(self.ui.lineEditC.text())
        except:
            result=0.0
        return result
    
    def getV(self):
        try:
            result=float(self.ui.lineEditV.text())
        except:
            result=0.0
        return result

def concentrationVolumePrelevement(produit):
    p=prelevementDialog(produit)
    accepte=False
    while not accepte:
        accepte=p.exec_() and p.getC()!=0.0 and p.getV()!=0.0 
        if not accepte:
            QMessageBox.information(None, u"Attention", u"Entrez le valeurs de concentration et de volume !")
    return p.getC(), p.getV()

if __name__=="__main__":
    app = QApplication(sys.argv)
    c,v=concentrationVolumePrelevement("acide chlorhydrique")
    print "Concentration, volume : %s , %s" %(c,v)
    sys.exit(0)