# Copyright (c) 2007 Mitchell N. Charity
# Copyright (c) 2009, Walter Bender
# Copyright (c) 2009,2010, Grant Bowman
#
# This file is part of Toaster.
#
# Toaster 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.
#
# Toaster 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 Toaster.  If not, see <http://www.gnu.org/licenses/>

""" Toaster Activity: create USB sticks (like Sugar on a Stick) and create a CD or DVD disc from an .iso image using a kiosk targeted user interface """

import pygtk
pygtk.require('2.0')
import gtk
import os.path

import sugar
from sugar.activity import activity
#try: # 0.86+ toolbar widgets
#    from sugar.bundle.activitybundle import ActivityBundle
#    from sugar.activity.widgets import ActivityToolbarButton
#    from sugar.activity.widgets import StopButton
#    from sugar.graphics.toolbarbox import ToolbarBox
#    from sugar.graphics.toolbarbox import ToolbarButton
#except ImportError:
#    pass
from sugar.graphics.toolbutton import ToolButton
from sugar.graphics.menuitem import MenuItem
from sugar.graphics.icon import Icon
from sugar.datastore import datastore
#try:
#    from sugar.graphics import style
#    GRID_CELL_SIZE = style.GRID_CELL_SIZE
#except:
GRID_CELL_SIZE = 0

import logging

from gettext import gettext as _

#import __

#
# Sugar activity
#
class ToasterActivity(activity.Activity):
    """ToasterActivity class as specified in activity.info"""

    def __init__(self, handle):
        """Setup the Toaster Activity."""
        activity.Activity.__init__(self, handle)
        self.set_title(_('Toaster Activity'))
        self._logger = logging.getLogger("toaster-activity")
        self.chosenImage  = 'hard_coded'
        self.chosenTarget = 'hard_coded'

        # initial button to move to the next screen
        # self.button = gtk.Button(_('Choose Target'))
        # self.button.connect('clicked', self.chooseTarget, None))

        #_width = gtk.gdk.screen_width()
        #_height = gtk.gdk.screen_height()-GRID_CELL_SIZE

        # add button detection
        self.connect('key-press-event', self._keyPressEventCb)

        # Read the dpi from the Journal
        #try:
        #    dpi = self.metadata['dpi']
        #    _logger.debug("Read dpi: " + str(dpi))
        #    self._canvas.set_dpi(int(dpi))
        #except:
        #    if os.path.exists('/sys/power/olpc-pm'):
        #self.set_canvas.set_dpi(200) # OLPC XO, error when setting - TODO fix
                # won't work for XO-1.5 - maybe see if /etc/olpc-release exists
                # decent _get_hardware() function in Measure.activity/measure.py
        #    else:
        #        self._canvas.set_dpi(100) # Just a guess

        # no collaboration features yet
        self.max_participants = 1

        #
        # We need some toolbars
        #
        #try:
        #    # Use 0.86 toolbar design
        #    toolbar_box = ToolbarBox()
        #
        #    # Buttons added to the Activity toolbar
        #    activity_button = ActivityToolbarButton(self)
        #    toolbar_box.toolbar.insert(activity_button, 0)
        #    activity_button.show()
        #
        #    # my buttons
        #
        #    share_button = ShareButton(self)
        #    toolbar_box.toolbar.insert(share_button, -1)
        #    share_button.show()
        #
        #    keep_button = KeepButton(self)
        #    toolbar_box.toolbar.insert(keep_button, -1)
        #    keep_button.show()
        #
        #    separator = gtk.SeparatorToolItem()
        #    separator.props.draw = False
        #    separator.set_expand(True)
        #    separator.show()
        #    toolbar_box.toolbar.insert(separator, -1)
        #
        #    # The ever-present Stop Button
        #    stop_button = StopButton(self)
        #    stop_button.props.accelerator = '<Ctrl>Q'
        #    toolbar_box.toolbar.insert(stop_button, -1)
        #    stop_button.show()
        #
        #    self.set_toolbar_box(toolbar_box)
        #    toolbar_box.show()
        #
        #except NameError:
        # Use pre-0.86 toolbar design
        # add the toolbox to the activity frame
        toolbox = activity.ActivityToolbox(self)

        editbar = activity.EditToolbar()
        editbar.undo.props.visible = False
        editbar.redo.props.visible = False
        editbar.separator.props.visible = False
        editbar.copy.connect('clicked', self._copy_cb)
        editbar.copy.props.accelerator = '<Ctrl><Shift>C'
        editbar.paste.connect('clicked', self._paste_cb)
        editbar.paste.props.accelerator = '<Ctrl><Shift>V'
        toolbox.add_toolbar(_('Edit'), editbar)
        editbar.show()

        choosebtn = sugar.graphics.toolbutton.ToolButton('choose')
        choosebtn.set_tooltip(_('Image/Target'))
        #choosebtn.connect('clicked', self._chooseImage())

        tabsep = gtk.SeparatorToolItem()
        tabsep.set_expand(True)
        tabsep.set_draw(False)

        createcopybtn = sugar.graphics.toolbutton.ToolButton('toaster')
        createcopybtn.set_tooltip(_('Create Copy'))
        #createcopybtn.connect('clicked', self._createCopy())

        createbar = gtk.Toolbar()
        createbar.insert(tabsep, -1)
        createbar.insert(createcopybtn, -1)
        createbar.show_all()
        toolbox.add_toolbar(_('Create'), createbar)

        activity_toolbar = toolbox.get_activity_toolbar()
        activity_toolbar.share.props.visible = False
        activity_toolbar.keep.props.visible = False
        activity_toolbar.keep.props.accelerator = '<Ctrl><Shift>S'
        activity_toolbar.stop.props.accelerator = '<Ctrl><Shift>Q'
        activity_toolbar.share.hide()
        activity_toolbar.keep.hide()

        self.set_toolbox(toolbox)

        # and make it visible
        toolbox.show()
        toolbox.set_current_toolbar(1)
        # end of future pre-0.86 except block

        self.notebook = gtk.Notebook()
        self.notebook.set_property("tab-pos", gtk.POS_BOTTOM)
        self.notebook.set_scrollable(True)
        self.notebook.show()

        self.show_all()

        #
        # We need a canvas
        #
        label = gtk.Label(_("Choose Image"))
        self.set_canvas(label)
        label.show()


    # Method _keyPressEventCb, which catches any presses of the game buttons.
    def _keyPressEventCb(self, widget, event):
        keyname = gtk.gdk.keyval_name(event.keyval)
        if (keyname == 'KP_Page_Up'):
           self._chat += "\nCircle Pressed!" # ? needs "Back" function
           self._chat_buffer.set_text(self._chat)
        elif (keyname == 'KP_Page_Down'):
           self._chat += "\nX Pressed!" # ? needs "Forward" function
           self._chat_buffer.set_text(self._chat)
        elif (keyname == 'KP_Home'):
           self._chat += "\nSquare Pressed!" # needs "Back" function
           self._chat_buffer.set_text(self._chat)
        elif (keyname == 'KP_End'):
           self._chat += "\nCheck Pressed!" # needs "Forward" function
           self._chat_buffer.set_text(self._chat)
        elif (keyname == 'KP_Up'):
           self._chat += "\nUp Pressed!" # ? needs "Back" function
           self._chat_buffer.set_text(self._chat)
        elif (keyname == 'KP_Down'):
           self._chat += "\nDown Pressed!" # ? needs "Forward" function
           self._chat_buffer.set_text(self._chat)
        elif (keyname == 'KP_Left'):
           self._chat += "\nLeft Pressed!" # needs "Back" function
           self._chat_buffer.set_text(self._chat)
        elif (keyname == 'KP_Right'):
           self._chat += "\nRight Pressed!" # needs "Forward" function
           self._chat_buffer.set_text(self._chat)

        return False

#    def read_file(self, filename):
#        "Read journal data" unpickle histories
#    def write_file(self, filename):
#        "Save journal data" unpickle histories
#    def can_close(self):
#        "Make sure no burn is in progress before closing Activity"
#    def handle_view_source(self):
#        "not many Activities implement this"
#    def _chooseImage(self):
#        ""
        # forward
        # self.button = gtk.Button(_('Choose Target'))
        # self.button.connect('clicked', self.chooseTarget, None))
#    def _chooseTarget(self):
#        ""
        # back
        # self.button = gtk.Button(_('Choose Image'))
        # self.button.connect('clicked', self.chooseImage, None))
        # forward
        # self.button = gtk.Button(_('Begin Creation'))
        # self.button.connect('clicked', self.chooseCreation, None))
#    def _createCopy(self):
#        ""
        # back
        # self.button = gtk.Button(_('Choose Target'))
        # self.button.connect('clicked', self.chooseTarget, None))

    def _copy_cb(self, buttom):
        vt = self.notebook.get_nth_page(self.notebook.get_current_page()).vt
        if vt.get_has_selection():
            vt.copy_clipboard()

    def _paste_cb(self, buttom):
        vt = self.notebook.get_nth_page(self.notebook.get_current_page()).vt
        vt.paste_clipboard()