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

# Copyright (c) 2014 - 2018 Detlev Offenbach <detlev@die-offenbachs.de>
#

"""
Module implementing the translator object.
"""

from __future__ import unicode_literals

import os

from PyQt5.QtCore import Qt, QObject
from PyQt5.QtGui import QKeySequence

from E5Gui.E5Action import E5Action

import UI.PixmapCache


class Translator(QObject):
    """
    Class implementing the translator object.
    """
    def __init__(self, plugin, parent=None):
        """
        Constructor
        
        @param plugin reference to the plugin object (TranslatorPlugin)
        @param parent parent (QObject)
        """
        QObject.__init__(self, parent)
        
        self.__plugin = plugin
        self.__ui = parent
        
        self.__widget = None
    
    def activate(self):
        """
        Public method to activate the translator.
        """
        from .TranslatorWidget import TranslatorWidget
        
        self.__widget = TranslatorWidget(self.__plugin, self)
        self.__ui.addSideWidget(
            self.__ui.BottomSide, self.__widget,
            UI.PixmapCache.getIcon(
                os.path.join(os.path.dirname(__file__), "icons", "flag.png")),
            self.tr("Translator"))
        
        self.__activateAct = E5Action(
            self.tr('Translator'),
            self.tr('T&ranslator'),
            QKeySequence(self.tr("Alt+Shift+R")),
            0, self,
            'translator_activate')
        self.__activateAct.setStatusTip(self.tr(
            "Switch the input focus to the Translator window."))
        self.__activateAct.setWhatsThis(self.tr(
            """<b>Activate Translator</b>"""
            """<p>This switches the input focus to the Translator"""
            """ window.</p>"""
        ))
        self.__activateAct.triggered.connect(self.__activateWidget)
        
        self.__ui.addE5Actions([self.__activateAct], 'ui')
        menu = self.__ui.getMenu("subwindow")
        menu.addAction(self.__activateAct)
    
    def deactivate(self):
        """
        Public method to deactivate the time tracker.
        """
        menu = self.__ui.getMenu("subwindow")
        menu.removeAction(self.__activateAct)
        self.__ui.removeE5Actions([self.__activateAct], 'ui')
        self.__ui.removeSideWidget(self.__widget)
    
    def getAppIcon(self, name):
        """
        Public method to get an icon.
        
        @param name name of the icon file (string)
        @return icon (QIcon)
        """
        return UI.PixmapCache.getIcon(os.path.join(
            os.path.dirname(__file__), "icons", name))
    
    def __activateWidget(self):
        """
        Private slot to handle the activation of the project browser.
        """
        if self.__ui.layout == "Toolboxes":
            self.__ui.hToolboxDock.show()
            self.__ui.hToolboxDock.setCurrentWidget(self.__widget)
        elif self.__ui.layout == "Sidebars":
            self.__ui.bottomSidebar.show()
            self.__ui.bottomSidebar.setCurrentWidget(self.__widget)
        else:
            self.__widget.show()
        self.__widget.setFocus(Qt.ActiveWindowFocusReason)
