Preferences/ConfigurationPages/NetworkPage.py

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

# Copyright (c) 2008 - 2009 Detlev Offenbach <detlev@die-offenbachs.de>
#

"""
Module implementing the Network configuration page.
"""

import os

from PyQt4.QtCore import QVariant, pyqtSlot
from PyQt4.QtGui import QFileDialog

from E4Gui.E4Completers import E4DirCompleter

from ConfigurationPageBase import ConfigurationPageBase
from Ui_NetworkPage import Ui_NetworkPage

import Preferences
import Utilities

class NetworkPage(ConfigurationPageBase, Ui_NetworkPage):
    """
    Class implementing the Network configuration page.
    """
    def __init__(self):
        """
        Constructor
        """
        ConfigurationPageBase.__init__(self)
        self.setupUi(self)
        self.setObjectName("NetworkPage")
        
        self.downloadDirCompleter = E4DirCompleter(self.downloadDirEdit)
        
        self.proxyTypeCombo.addItem(self.trUtf8("Transparent HTTP"), QVariant(0))
        self.proxyTypeCombo.addItem(self.trUtf8("Caching HTTP"), QVariant(1))
        self.proxyTypeCombo.addItem(self.trUtf8("Socks5"), QVariant(2))
        
        # set initial values
        self.downloadDirEdit.setText(Preferences.getUI("DownloadPath"))
        self.requestFilenameCheckBox.setChecked(
            Preferences.getUI("RequestDownloadFilename"))
        
        self.proxyGroup.setChecked(\
            Preferences.getUI("UseProxy"))
        self.proxyTypeCombo.setCurrentIndex(self.proxyTypeCombo.findData(\
            QVariant(Preferences.getUI("ProxyType"))))
        self.proxyHostEdit.setText(\
            Preferences.getUI("ProxyHost"))
        self.proxyUserEdit.setText(\
            Preferences.getUI("ProxyUser"))
        self.proxyPasswordEdit.setText(\
            Preferences.getUI("ProxyPassword"))
        self.proxyPortSpin.setValue(\
            Preferences.getUI("ProxyPort"))
        
    def save(self):
        """
        Public slot to save the Application configuration.
        """
        Preferences.setUI("DownloadPath", 
            self.downloadDirEdit.text())
        Preferences.setUI("RequestDownloadFilename", 
            int(self.requestFilenameCheckBox.isChecked()))
        
        Preferences.setUI("UseProxy",
            int(self.proxyGroup.isChecked()))
        Preferences.setUI("ProxyType", 
            self.proxyTypeCombo.itemData(self.proxyTypeCombo.currentIndex()).toInt()[0])
        Preferences.setUI("ProxyHost",
            self.proxyHostEdit.text())
        Preferences.setUI("ProxyUser",
            self.proxyUserEdit.text())
        Preferences.setUI("ProxyPassword",
            self.proxyPasswordEdit.text())
        Preferences.setUI("ProxyPort",
            self.proxyPortSpin.value())
    
    @pyqtSlot()
    def on_downloadDirButton_clicked(self):
        """
        Private slot to handle the directory selection via dialog.
        """
        directory = QFileDialog.getExistingDirectory(\
            self,
            self.trUtf8("Select download directory"),
            self.downloadDirEdit.text(),
            QFileDialog.Options(QFileDialog.ShowDirsOnly))
            
        if directory:
            dn = Utilities.toNativeSeparators(directory)
            while dn.endswith(os.sep):
                dn = dn[:-1]
            self.downloadDirEdit.setText(dn)
    
def create(dlg):
    """
    Module function to create the configuration page.
    
    @param dlg reference to the configuration dialog
    """
    page = NetworkPage()
    return page