# -*- coding: utf-8 -*-
# vim: autoindent shiftwidth=4 expandtab textwidth=80 tabstop=4 softtabstop=4

###############################################################################
# OpenLP - Open Source Lyrics Projection                                      #
# --------------------------------------------------------------------------- #
# Copyright (c) 2008-2011 Raoul Snyman                                        #
# Portions copyright (c) 2008-2011 Tim Bentley, Gerald Britton, Jonathan      #
# Corwin, Michael Gorven, Scott Guerrieri, Matthias Hub, Meinert Jordan,      #
# Armin Köhler, Joshua Millar, Stevan Pettit, Andreas Preikschat, Mattias     #
# Põldaru, Christian Richter, Philip Ridout, Jeffrey Smith, Maikel            #
# Stuivenberg, Martin Thompson, Jon Tibble, Frode Woldsund                    #
# --------------------------------------------------------------------------- #
# 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 of the License.                              #
#                                                                             #
# 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., 59  #
# Temple Place, Suite 330, Boston, MA 02111-1307 USA                          #
###############################################################################

from PyQt4 import QtCore, QtGui

from openlp.core.lib import Receiver, SettingsTab, translate
from openlp.core.lib.ui import UiStrings

class PresentationTab(SettingsTab):
    """
    PresentationsTab is the Presentations settings tab in the settings dialog.
    """
    def __init__(self, parent, title, visible_title, controllers, icon_path):
        """
        Constructor
        """
        self.controllers = controllers
        SettingsTab.__init__(self, parent, title, visible_title, icon_path)

    def setupUi(self):
        """
        Create the controls for the settings tab
        """
        self.setObjectName(u'PresentationTab')
        SettingsTab.setupUi(self)
        self.ControllersGroupBox = QtGui.QGroupBox(self.leftColumn)
        self.ControllersGroupBox.setObjectName(u'ControllersGroupBox')
        self.ControllersLayout = QtGui.QVBoxLayout(self.ControllersGroupBox)
        self.ControllersLayout.setObjectName(u'ControllersLayout')
        self.PresenterCheckboxes = {}
        for key in self.controllers:
            controller = self.controllers[key]
            checkbox = QtGui.QCheckBox(self.ControllersGroupBox)
            checkbox.setEnabled(controller.available)
            checkbox.setObjectName(controller.name + u'CheckBox')
            self.PresenterCheckboxes[controller.name] = checkbox
            self.ControllersLayout.addWidget(checkbox)
        self.leftLayout.addWidget(self.ControllersGroupBox)
        self.AdvancedGroupBox = QtGui.QGroupBox(self.leftColumn)
        self.AdvancedGroupBox.setObjectName(u'AdvancedGroupBox')
        self.AdvancedLayout = QtGui.QVBoxLayout(self.AdvancedGroupBox)
        self.AdvancedLayout.setObjectName(u'AdvancedLayout')
        self.OverrideAppCheckBox = QtGui.QCheckBox(self.AdvancedGroupBox)
        self.OverrideAppCheckBox.setObjectName(u'OverrideAppCheckBox')
        self.AdvancedLayout.addWidget(self.OverrideAppCheckBox)
        self.leftLayout.addWidget(self.AdvancedGroupBox)
        self.leftLayout.addStretch()
        self.rightLayout.addStretch()

    def retranslateUi(self):
        """
        Make any translation changes
        """
        self.ControllersGroupBox.setTitle(
            translate('PresentationPlugin.PresentationTab',
            'Available Controllers'))
        for key in self.controllers:
            controller = self.controllers[key]
            checkbox = self.PresenterCheckboxes[controller.name]
            if controller.available:
                checkbox.setText(controller.name)
            else:
                checkbox.setText(
                    unicode(translate('PresentationPlugin.PresentationTab',
                    '%s (unavailable)')) % controller.name)
        self.AdvancedGroupBox.setTitle(UiStrings().Advanced)
        self.OverrideAppCheckBox.setText(
            translate('PresentationPlugin.PresentationTab',
            'Allow presentation application to be overriden'))

    def load(self):
        """
        Load the settings.
        """
        for key in self.controllers:
            controller = self.controllers[key]
            checkbox = self.PresenterCheckboxes[controller.name]
            checkbox.setChecked(QtCore.QSettings().value(
                self.settingsSection + u'/' + controller.name,
                QtCore.QVariant(QtCore.Qt.Checked)).toInt()[0])
        self.OverrideAppCheckBox.setChecked(QtCore.QSettings().value(
            self.settingsSection + u'/override app',
            QtCore.QVariant(QtCore.Qt.Unchecked)).toInt()[0])

    def save(self):
        """
        Save the settings.
        """
        changed = False
        for key in self.controllers:
            controller = self.controllers[key]
            if controller.available:
                checkbox = self.PresenterCheckboxes[controller.name]
                setting_key = self.settingsSection + u'/' + controller.name
                if QtCore.QSettings().value(setting_key) != \
                    checkbox.checkState():
                    changed = True
                    QtCore.QSettings().setValue(setting_key,
                        QtCore.QVariant(checkbox.checkState()))
                    if checkbox.isChecked():
                        controller.start_process()
                    else:
                        controller.kill()
        setting_key = self.settingsSection + u'/override app'
        if QtCore.QSettings().value(setting_key) != \
            self.OverrideAppCheckBox.checkState():
            QtCore.QSettings().setValue(setting_key,
                QtCore.QVariant(self.OverrideAppCheckBox.checkState()))
            changed = True
        if changed:
            Receiver.send_message(u'mediaitem_presentation_rebuild')