#!/bin/env python

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

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

 # credentials-dialog

 # 

 # ask the user credentials

 #

 # Autor: Oliver Maurhart, <oliver.maurhart@ait.ac.at>

 #

 # Copyright (C) 2013 AIT Austrian Institute of Technology

 # AIT Austrian Institute of Technology GmbH

 # Donau-City-Strasse 1 | 1220 Vienna | Austria

 # http://www.ait.ac.at

 #

 # 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 version 2.

 # 

 # 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., 51 Franklin Street, Fifth Floor, 

 # Boston, MA  02110-1301, USA.

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

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

 # imports

 import sys

 from PyQt4 import QtCore

 from PyQt4 import QtGui

 # local

 from about import About

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

 # code

 class Credentials(QtGui.QDialog):

     """Ask the user for credentials."""

     def __init__(self, text, parent = None, flags = QtCore.Qt.WindowFlags(0)):

         super(Credentials, self).__init__(parent, flags)

         self.setWindowTitle('OpenSecuirty Credentials Request')

         self.setup_ui()

         # positionate ourself central

         screen = QtGui.QDesktopWidget().screenGeometry()

         self.resize(self.geometry().width() * 1.25, self.geometry().height())

         size = self.geometry()

         self.move((screen.width() - size.width()) / 2, (screen.height() - size.height()) / 2)

         # fix up text

         self.lbText.setText(text)

     def clicked_about(self):

         """clicked the about button"""

         dlgAbout = About()

         dlgAbout.exec_()

     def clicked_cancel(self):

         """clicked the cancel button"""

         self.reject()

     def clicked_ok(self):

         """clicked the ok button"""

         sys.stdout.write('{ ')

         sys.stdout.write('\'user\': \'')

         sys.stdout.write(self.edUser.text())

         sys.stdout.write('\', ')

         sys.stdout.write('\'password\': \'')

         sys.stdout.write(self.edPassword.text())

         sys.stdout.write('\' ')

         sys.stdout.write('}\n')

         self.accept()

     def setup_ui(self):

         """Create the widgets."""

         lyMain = QtGui.QVBoxLayout(self)

         lyMain.setContentsMargins(8, 8, 8, 8)

         # content area: left pixmap, right text

         lyContent = QtGui.QHBoxLayout()

         lyMain.addLayout(lyContent)

         # pixmap

         lbPix = QtGui.QLabel()

         lbPix.setPixmap(QtGui.QPixmapCache.find('opensecurity_icon_64'))

         lyContent.addWidget(lbPix, 0, QtCore.Qt.Alignment(QtCore.Qt.AlignTop + QtCore.Qt.AlignHCenter))

         lyContent.addSpacing(16)

         # text ...

         lyText = QtGui.QGridLayout()

         lyContent.addLayout(lyText)

         self.lbText = QtGui.QLabel()

         lyText.addWidget(self.lbText, 0, 0, 1, 2)

         lbUser = QtGui.QLabel('&User:')

         lyText.addWidget(lbUser, 1, 0)

         self.edUser = QtGui.QLineEdit()

         lyText.addWidget(self.edUser, 1, 1)

         lbUser.setBuddy(self.edUser)

         lbPassword = QtGui.QLabel('&Password:')

         lyText.addWidget(lbPassword, 2, 0)

         self.edPassword = QtGui.QLineEdit()

         self.edPassword.setEchoMode(QtGui.QLineEdit.Password)

         lyText.addWidget(self.edPassword, 2, 1)

         lbPassword.setBuddy(self.edPassword)

         lyText.addWidget(QtGui.QWidget(), 3, 0, 1, 2)

         lyText.setColumnStretch(1, 1)

         lyText.setRowStretch(3, 1)

         lyMain.addStretch(1)

         # buttons

         lyButton = QtGui.QHBoxLayout()

         lyMain.addLayout(lyButton)

         lyButton.addStretch(1)

         btnOk = QtGui.QPushButton('&Ok', self)

         btnOk.setDefault(True)

         btnOk.setMinimumWidth(100)

         lyButton.addWidget(btnOk)

         btnCancel = QtGui.QPushButton('&Cancel', self)

         btnCancel.setMinimumWidth(100)

         lyButton.addWidget(btnCancel)

         btnAbout = QtGui.QPushButton('&About', self)

         btnAbout.setMinimumWidth(100)

         lyButton.addWidget(btnAbout)

         button_width = max(btnOk.width(), btnCancel.width(), btnAbout.width())

         btnOk.setMinimumWidth(button_width)

         btnCancel.setMinimumWidth(button_width)

         btnAbout.setMinimumWidth(button_width)

         # reduce to the max

         self.resize(lyMain.minimumSize())

         # connectors

         btnOk.clicked.connect(self.clicked_ok)

         btnCancel.clicked.connect(self.clicked_cancel)

         btnAbout.clicked.connect(self.clicked_about)