#    Back In Time
#    Copyright (C) 2008-2009 Oprea Dan, Bart de Koning, Richard Bailey
#
#    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; either version 2 of the License, or
#    (at your option) any later version.
#
#    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.


import os
import os.path
import stat
import sys

if len( os.getenv( 'DISPLAY', '' ) ) == 0:
    os.putenv( 'DISPLAY', ':0.0' )

import pygtk
pygtk.require("2.0")
import gtk
import pynotify
import threading
import gobject
import gnome
import gnomevfs
import datetime
import gettext
import time

sys.path = [os.path.join( os.path.dirname( os.path.abspath( os.path.dirname( __file__ ) ) ), 'common' )] + sys.path

import backintime
import config
import logger
import snapshots
import guiapplicationinstance
import tools

import settingsdialog
import logviewdialog
import snapshotsdialog
import messagebox
import fileicons
import clipboardtools
import gnometools


_=gettext.gettext


class AboutDialog(gtk.AboutDialog):

    def __init__( self, config, parent ):

        gtk.AboutDialog.__init__( self )
    
        self.connect( 'close', self.on_close )
        self.connect( 'response', self.on_close )

        self.set_transient_for( parent )

        self.set_name( config.APP_NAME )
        self.set_version( config.VERSION )
        self.set_copyright( 'Copyright (C) 2008-2009 Oprea Dan, Bart de Koning, Richard Bailey' )
        self.set_website( 'http://backintime.le-web.org' )
        self.set_website_label( 'http://backintime.le-web.org' )
        self.set_license( config.get_license() )
        authors = config.get_authors()
        if not authors is None:
            self.set_authors( authors.split( '\n' ) )

        #extra_translations = _('about-translators').strip()
        #if extra_translations is None:
        #   extra_translations = ''
        #elif extra_translations == 'about-translators':
        #   extra_translations = ''
        #
        #self.set_translator_credits( config.get_translations() + extra_translations )
        self.set_translator_credits( config.get_translations() )

    def on_close( self, *params ):
        self.destroy()


class MainWindow(object):

    def __init__( self, config, app_instance ):

        self.config = config
        self.app_instance = app_instance
        self.snapshots = snapshots.Snapshots( config )
        self.special_background_color = 'lightblue'
        self.popup_menu = None

        self.folder_path = None
        self.snapshot_id = ''

        self.last_take_snapshot_message = None

        self.use_gloobus_preview = tools.check_command( 'gloobus-preview' )
        
        builder = gtk.Builder()
        self.builder = builder

        glade_file = os.path.join(self.config.get_app_path(), 'gnome', 'mainwindow.glade')

        builder.add_from_file(glade_file)

        signals = { 
                'on_MainWindow_destroy' : gtk.main_quit,
                'on_MainWindow_delete_event' : self.on_close,
                'on_MainWindow_key_release_event': self.on_key_release_event,
                'on_btn_exit_clicked' : self.on_close,
                'on_btn_help_clicked' : self.on_btn_help_clicked,
                'on_btn_about_clicked' : self.on_btn_about_clicked,
                'on_btn_settings_clicked' : self.on_btn_settings_clicked,
                'on_btn_backup_clicked' : self.on_btn_backup_clicked,
                'on_btn_update_snapshots_clicked' : self.on_btn_update_snapshots_clicked,
                'on_btn_snapshot_name_clicked' : self.on_btn_snapshot_name_clicked,
                'on_btn_remove_snapshot_clicked' : self.on_btn_remove_snapshot_clicked,
                'on_btn_view_snapshot_log_clicked' : self.on_btn_view_snapshot_log_clicked,
                'on_btn_view_last_log_clicked' : self.on_btn_view_last_log_clicked,
                'on_btn_restore_clicked' : self.on_btn_restore_clicked,
                'on_btn_copy_clicked' : self.on_btn_copy_clicked,
                'on_btn_snapshots_clicked' : self.on_btn_snapshots_clicked,
                'on_btn_hidden_files_toggled' : self.on_btn_hidden_files_toggled,
                'on_list_places_cursor_changed' : self.on_list_places_cursor_changed,
                'on_list_time_line_cursor_changed' : self.on_list_time_line_cursor_changed,
                'on_btn_folder_up_clicked' : self.on_btn_fodler_up_clicked,
                'on_list_folder_view_row_activated' : self.on_list_folder_view_row_activated,
                'on_list_folder_view_popup_menu' : self.on_list_folder_view_popup_menu,
                'on_list_folder_view_button_press_event': self.on_list_folder_view_button_press_event,
                'on_list_folder_view_drag_data_get': self.on_list_folder_view_drag_data_get,
				'on_list_folder_view_key_press_event' : self.on_list_folder_view_key_press_event,
                'on_combo_profiles_changed': self.on_combo_profiles_changed,
                'on_btn_website_clicked': self.on_btn_website_clicked,
            }

        builder.connect_signals(signals)

        self.window = self.builder.get_object( 'MainWindow' )
        self.window.set_title( self.config.APP_NAME )

        #icons
        self.icon_names = fileicons.GnomeFileIcons()

        #fix a glade bug
        self.builder.get_object( 'btn_current_path' ).set_expand( True )
        #self.builder.get_object( 'tb_sep_item' ).set_expand( True )
        self.builder.get_object( 'mtb_separator1' ).set_expand( True )
        
        #profiles
        self.disable_combo_changed = True
        self.first_update_all = True

        self.store_profiles = gtk.ListStore( str, str )
        
        self.combo_profiles = self.builder.get_object( 'combo_profiles' )

        text_renderer = gtk.CellRendererText()
        self.combo_profiles.pack_start( text_renderer, True )
        self.combo_profiles.add_attribute( text_renderer, 'text', 0 )

        self.combo_profiles.set_model( self.store_profiles )
        
        self.disable_combo_changed = False

        #lbl snapshot
        self.lbl_snapshot = self.builder.get_object( 'lbl_snapshot' )

        #status bar
        self.status_bar = self.builder.get_object( 'status_bar' )
        self.status_bar.push( 0, _('Done') )

        #show hidden files
        self.show_hidden_files = self.config.get_bool_value( 'gnome.show_hidden_files', False )
        self.btn_hidden_files = self.builder.get_object( 'btn_hidden_files' )
        self.btn_hidden_files.set_active( self.show_hidden_files )
        #self.btn_hidden_files.set_label( _('Hidden files') ) #!!!

        #setup places view
        self.list_places = self.builder.get_object( 'list_places' )

        pix_renderer = gtk.CellRendererPixbuf()
        text_renderer = gtk.CellRendererText()
        
        column = gtk.TreeViewColumn( _('Shortcuts') )
        column.pack_start( pix_renderer, False )
        column.pack_end( text_renderer, True )
        column.add_attribute( pix_renderer, 'icon-name', 2 )
        column.add_attribute( text_renderer, 'markup', 0 )
        column.set_cell_data_func( pix_renderer, self.places_pix_renderer_function, None )
        column.set_cell_data_func( text_renderer, self.places_text_renderer_function, None )
        #column.set_alignment( 0.5 )
        self.list_places.append_column( column )

        #name, icon, path
        self.store_places = gtk.ListStore( str, str, str )
        self.list_places.set_model( self.store_places )
        self.list_places.get_selection().set_select_function( self.places_select_function, self.store_places )

        #setup folder view
        self.list_folder_view_widget = self.builder.get_object( 'list_folder_view_widget' )
        self.list_folder_view_shadow = self.builder.get_object( 'list_folder_view_shadow' )
        self.list_folder_view = self.builder.get_object( 'list_folder_view' )

        pix_renderer = gtk.CellRendererPixbuf()
        text_renderer = gtk.CellRendererText()

        column = gtk.TreeViewColumn( _('Name') )
        column.pack_start( pix_renderer, False )
        column.pack_end( text_renderer, True )
        column.add_attribute( pix_renderer, 'icon-name', 2 )
        column.add_attribute( text_renderer, 'markup', 0 )
        column.set_expand( True )
        column.set_sizing( gtk.TREE_VIEW_COLUMN_AUTOSIZE )
        column.set_sort_column_id( 0 )
        self.list_folder_view.append_column( column )

        text_renderer = gtk.CellRendererText()
        column = gtk.TreeViewColumn( _('Size') )
        column.pack_end( text_renderer, True )
        column.add_attribute( text_renderer, 'markup', 4 )
        column.set_sort_column_id( 1 )
        self.list_folder_view.append_column( column )

        text_renderer = gtk.CellRendererText()
        column = gtk.TreeViewColumn( _('Date') )
        column.pack_end( text_renderer, True )
        column.add_attribute( text_renderer, 'markup', 5 )
        column.set_sort_column_id( 2 )
        self.list_folder_view.append_column( column )

        # display name, relative path, icon_name, type (0 - directory, 1 - file), size (str), date, size (float)
        self.store_folder_view = gtk.ListStore( str, str, str, int, str, str, float )
        self.store_folder_view.set_sort_func( 0, self.sort_folder_view_by_column, 0 ) #name
        self.store_folder_view.set_sort_func( 1, self.sort_folder_view_by_column, 6 ) #size
        self.store_folder_view.set_sort_func( 2, self.sort_folder_view_by_column, 5 )   #date
        self.store_folder_view.set_sort_column_id( 0, gtk.SORT_ASCENDING )

        self.list_folder_view.set_model( self.store_folder_view )

        #setup time line view
        self.list_time_line = self.builder.get_object( 'list_time_line' )

        text_renderer = gtk.CellRendererText()
        column = gtk.TreeViewColumn( _('Snapshots'), text_renderer, markup = 0 )
        column.set_cell_data_func( text_renderer, self.places_text_renderer_function, None )
        self.list_time_line.append_column( column )

        #display name, id
        self.store_time_line = gtk.ListStore( str, str )
        self.list_time_line.set_model( self.store_time_line )
        self.list_time_line.get_selection().set_select_function( self.places_select_function, self.store_time_line )
        self.update_time_line = False

        #calculate specialBackgroundColor
        style = self.list_time_line.get_style()
        bg1 = style.bg[gtk.STATE_NORMAL]
        bg2 = style.bg[gtk.STATE_SELECTED]
        self.special_background_color = gtk.gdk.Color( (2 * bg1.red + bg2.red) / 3, (2 * bg1.green + bg2.green) / 3,(2 * bg1.blue + bg2.blue) / 3 ).to_string()

        #restore size & position
        main_window_x = self.config.get_int_value( 'gnome.main_window.x', -1 )
        main_window_y = self.config.get_int_value( 'gnome.main_window.y', -1 )
        if main_window_x >= 0 and main_window_y >= 0:
            self.window.move( main_window_x, main_window_y )

        main_window_width = self.config.get_int_value( 'gnome.main_window.width', -1 )
        main_window_height = self.config.get_int_value( 'gnome.main_window.height', -1 )
        if main_window_width > 0 and main_window_height > 0:
            self.window.resize( main_window_width, main_window_height )

        main_window_hpaned1 = self.config.get_int_value( 'gnome.main_window.hpaned1', -1 )
        main_window_hpaned2 = self.config.get_int_value( 'gnome.main_window.hpaned2', -1 )
        if main_window_hpaned1 > 0 and main_window_hpaned2 > 0:
            self.builder.get_object('hpaned1').set_position( main_window_hpaned1 )
            self.builder.get_object('hpaned2').set_position( main_window_hpaned2 )

        #prepare popup menu ids
        gtk.stock_add( 
                [ ('backintime.open', _('Open'), 0, 0, 'backintime' ),
                  ('backintime.copy', _('Copy'), 0, 0, 'backintime' ),
                  ('backintime.snapshots', _('Snapshots'), 0, 0, 'backintime' ),
                  ('backintime.diff', _('Diff'), 0, 0, 'backintime' ),
                  ('backintime.restore', _('Restore'), 0, 0, 'backintime' ) ] )

        #show main window
        self.window.show()
        gnometools.run_gtk_update_loop()

        self.force_wait_lock_counter = 0
        gobject.timeout_add( 1000, self.raise_application )

        if not self.config.is_configured():
            settingsdialog.SettingsDialog( self.config, self.snapshots, self ).run()

            if not self.config.is_configured():
                return 
	
	if self.snapshots.has_old_snapshots():
		settingsdialog.SettingsDialog( self.config, self.snapshots, self ).update_snapshots_location()
	
	profile_id = self.config.get_current_profile()
	if not self.config.can_backup( profile_id ):
            messagebox.show_error( self.window, self.config, _('Can\'t find snapshots folder.\nIf it is on a removable drive please plug it and then press OK') )

        self.update_profiles()
        self.update_backup_info()
        gobject.timeout_add( 1000, self.update_backup_info )

    def on_combo_profiles_changed( self, *params ):
    	if self.disable_combo_changed:
            return

        iter = self.combo_profiles.get_active_iter()
        if iter is None:
            return

        first_update_all = self.first_update_all

        profile_id = self.store_profiles.get_value( iter, 1 )
        if not first_update_all and profile_id == self.config.get_current_profile():
            return

        self.config.set_current_profile( profile_id )
        self.first_update_all = False
        self.update_all( first_update_all )

    def update_profiles( self ):
		"""Populates the profile list"""
		self.disable_combo_changed = True

		profiles = self.config.get_profiles_sorted_by_name()
		
		select_iter = None
		self.store_profiles.clear()

		for profile_id in profiles:
			iter = self.store_profiles.append( [ self.config.get_profile_name( profile_id ), profile_id ] )
			if profile_id == self.config.get_current_profile():
				select_iter = iter
            
		self.disable_combo_changed = False

		if not select_iter is None:
			self.combo_profiles.set_active_iter( select_iter )

		if len( profiles ) > 1:
			self.builder.get_object( 'tb_profiles' ).show()
		else:
			self.builder.get_object( 'tb_profiles' ).hide()

        #self.update_all( True )

    def sort_folder_view_by_column( self, treemodel, iter1, iter2, column ):
        if 0 == column:
            ascending = 1
            if self.store_folder_view.get_sort_column_id()[1] != gtk.SORT_ASCENDING:
                ascending = -1

            type1 = self.store_folder_view.get_value( iter1, 3 )
            type2 = self.store_folder_view.get_value( iter2, 3 )

            if type1 == 0 and type2 != 0:
                return -1 * ascending

            if type1 != 0 and type2 == 0:
                return 1 * ascending

        data1 = self.store_folder_view.get_value( iter1, column )
        data2 = self.store_folder_view.get_value( iter2, column )

        if type(data1) is str:
            data1 = data1.upper()

        if type(data2) is str:
            data2 = data2.upper()

        #print "sort_folder_view_by_column: " + str( data1 ) + " - " + str( data2 )

        if data1 < data2:
            return -1

        if data1 > data2:
            return 1

        return 0

    def get_default_startup_folder_and_file( self ):
        last_path = self.config.get_str_value( 'gnome.last_path', '' )
        if len(last_path) > 0 and os.path.isdir(last_path):
            return ( last_path, None, False )
        return ( '/', None, False )

    def get_cmd_startup_folder_and_file( self, cmd ):
        if cmd is None:
            cmd = self.app_instance.raise_cmd

        if len( cmd ) < 1:
            return None

        path = None
        show_snapshots = False

        for arg in cmd.split( '\n' ):
            if len( arg ) < 1:
                continue
            if arg == '-s' or arg == '--snapshots':
                show_snapshots = True
                continue
            if arg[0] == '-':
                continue
            if path is None:
                path = arg

        if path is None:
            return None

        if len( path ) < 1:
            return None

        path = os.path.expanduser( path )
        path = os.path.abspath( path )

        if os.path.isdir( path ):
            if len( path ) < 1:
                show_snapshots = False

            if show_snapshots:
                return ( os.path.dirname( path ), path, True )
            else:
                return ( path, '', False )

        if os.path.isfile( path ):
            return ( os.path.dirname( path ), path, show_snapshots )

        return None

    def get_startup_folder_and_file( self, cmd = None ):
        startup_folder = self.get_cmd_startup_folder_and_file( cmd )
        if startup_folder is None:
            return self.get_default_startup_folder_and_file()
        return startup_folder

    def update_all( self, init ):
        #fill lists
        selected_file = None
        show_snapshots = False
        if init:
            self.folder_path, selected_file, show_snapshots = self.get_startup_folder_and_file()
        self.snapshot_id = '/'
        self.snapshots_list = []

        self.fill_places()
        self.fill_time_line( False )
        self.update_folder_view( 1, selected_file, show_snapshots )

    def places_pix_renderer_function( self, column, renderer, model, iter, user_data ):
        if len( model.get_value( iter, 1 ) ) == 0:
            renderer.set_property( 'visible', False )
        else:
            renderer.set_property( 'visible', True )

    def places_text_renderer_function( self, column, renderer, model, iter, user_data ):
        if len( model.get_value( iter, 1 ) ) == 0:
            renderer.set_property( 'cell-background-set', True )
            renderer.set_property( 'cell-background', self.special_background_color )
        else:
            renderer.set_property( 'cell-background-set', False )

    def places_select_function( self, info, store ):
        if len( store.get_value( store.get_iter( info[0] ), 1 ) ) == 0:
            return False
        return True

    def raise_application( self ):
        raise_cmd = self.app_instance.raise_command()
        if raise_cmd is None:
            return True

        print "Raise cmd: " + raise_cmd
        self.window.present_with_time( int(time.time()) )
        self.window.window.focus()
        #self.window.present()

        if len( raise_cmd ) == 0:
            return True

        print "Check if the main window is the only top level visible window"
        for window in gtk.window_list_toplevels():
            if window.get_property( 'visible' ):
                if window != self.window:
                    print "Failed"
                    return True

        print "OK"

        folder_and_file = self.get_cmd_startup_folder_and_file( raise_cmd )
        if folder_and_file is None:
            return True

        folder_path, file_name, show_snapshots = folder_and_file

        #select now
        self.snapshot_id = '/'
        self.list_time_line.get_selection().select_iter( self.store_time_line.get_iter_first() )

        #select the specified file
        self.folder_path = folder_path
        self.update_folder_view( 1, file_name, show_snapshots )

        return True

    def update_backup_info( self, force_wait_lock = False ):
		if None is self.builder.get_object( 'btn_backup' ):
			return True

		#print "forceWaitLock: %s" % forceWaitLock

		if force_wait_lock:
			self.force_wait_lock_counter = 10
        
		busy = self.snapshots.is_busy()

		if busy:
			self.force_wait_lock_counter = 0

		if self.force_wait_lock_counter > 0:
			self.force_wait_lock_counter = self.force_wait_lock_counter - 1

		fake_busy = busy or self.force_wait_lock_counter > 0
		self.builder.get_object( 'btn_backup' ).set_sensitive( not fake_busy )

		take_snapshot_message = self.snapshots.get_take_snapshot_message()
		if take_snapshot_message is None:
			if fake_busy:
				take_snapshot_message = ( 0, '...' )
			else:
				take_snapshot_message = self.last_take_snapshot_message
				if take_snapshot_message is None:
					take_snapshot_message = ( 0, _('Done') )

		update_time_line = self.update_time_line

		if fake_busy:
			if not self.update_time_line:
				self.update_time_line = True
		elif self.update_time_line:
			self.update_time_line = False
			snapshots_list = self.snapshots_list

			self.fill_time_line()

			if snapshots_list != self.snapshots_list:
				take_snapshot_message = ( 0, _('Done') )
			else:
				if take_snapshot_message[0] == 0:
					take_snapshot_message = ( 0, _('Done, no backup needed') )

		if take_snapshot_message != self.last_take_snapshot_message or update_time_line:
			self.last_take_snapshot_message = take_snapshot_message
		
			if fake_busy:
				message = _('Working:') + ' ' + self.last_take_snapshot_message[1].replace( '\n', ' ' )
			elif take_snapshot_message[0] == 0:
				message = self.last_take_snapshot_message[1].replace( '\n', ' ' )
			else:
				message = _('Error:') + ' ' + self.last_take_snapshot_message[1].replace( '\n', ' ' )

			self.status_bar.push( 0, message )

		#if not fake_busy:
		#   self.last_take_snapshot_message = None

		return True

    def fill_places( self ):
        self.store_places.clear()

        #add global places
        self.store_places.append( [ "<b>%s</b>" % _('Global'), '', '' ] )
        self.store_places.append( [ _('Root'), '/', gtk.STOCK_HARDDISK ] )
        self.store_places.append( [ _('Home'), os.path.expanduser( '~' ), gtk.STOCK_HOME ] )

        #add bookmarks
        rawbookmarks = ''
        
        try:
            file = open( os.path.expanduser('~/.gtk-bookmarks') )
            rawbookmarks = file.read()
            file.close()
        except:
            pass

        bookmarks = []
        for rawbookmark in rawbookmarks.split( '\n' ):
            if rawbookmark.startswith( 'file://' ):
                index = rawbookmark.find( ' ' )
                if index > 0 and os.path.exists( rawbookmark[ 7 : index ] ):
                    bookmarks.append( ( gnomevfs.unescape_string_for_display( rawbookmark[ 7 : index ] ), rawbookmark[ index + 1 : ] ) )
                elif index < 0 and os.path.exists( rawbookmark[ 7 : ] ):
                    index = rawbookmark.rfind( '/' )
                    if index > 0:
                        bookmarks.append( ( gnomevfs.unescape_string_for_display( rawbookmark[ 7 : ] ), gnomevfs.unescape_string_for_display( rawbookmark[ index + 1 : ] ) ) )

        if len( bookmarks ) > 0:
            self.store_places.append( [ "<b>%s</b>" % _('Bookmarks'), '', '' ] )
            for bookmark in bookmarks:
                self.store_places.append( [ bookmark[1], bookmark[0], self.icon_names.get_icon(bookmark[0]) ] )

        #add backup folders
        include_folders = self.config.get_include()
        if len( include_folders ) > 0:
			folders = []
			for item in include_folders:
				if item[1] == 0:
					folders.append( item[0] )

			if len( folders ) > 0:
				self.store_places.append( [ "<b>%s</b>" % _('Backup folders'), '', '' ] )
				for folder in folders:
					#self.store_places.append( [ folder[0], folder[0], gtk.STOCK_SAVE ] )
					self.store_places.append( [ folder, folder, gtk.STOCK_SAVE ] )

    def fill_time_line( self, update_folder_view = True ):
        current_selection = '/'
        iter = self.list_time_line.get_selection().get_selected()[1]
        if not iter is None:
            current_selection = self.store_time_line.get_value( iter, 1 )

        self.store_time_line.clear()
        self.store_time_line.append( [ gnometools.get_snapshot_display_markup( self.snapshots, '/' ), '/' ] )

        self.snapshots_list = self.snapshots.get_snapshots_and_other_list()

        #print self.snapshots_list
        #self.snapshots_list = []
        #for item in  self.snapshots_list_complete:
        #	self.snapshots_list.append( item[0] )

        groups = []
        now = datetime.date.today()

        #today
        date = now
        groups.append( (_('Today'), self.snapshots.get_snapshot_id( date ), []) )

        #yesterday
        date = now - datetime.timedelta( days = 1 )
        groups.append( (_('Yesterday'), self.snapshots.get_snapshot_id( date ), []) )

        #this week
        date = now - datetime.timedelta( days = now.weekday() )
        groups.append( (_('This week'), self.snapshots.get_snapshot_id( date ), []) )

        #last week
        date = now - datetime.timedelta( days = now.weekday() + 7 )
        groups.append( (_('Last week'), self.snapshots.get_snapshot_id( date ), []) )

        #fill groups
        for snapshot_id in self.snapshots_list:
            found = False

            for group in groups:
                if snapshot_id >= group[1]:
                    group[2].append( snapshot_id )
                    found = True
                    break

            if not found:
                year = int( snapshot_id[ 0 : 4 ] )
                month = int( snapshot_id[ 4 : 6 ] )
                date = datetime.date( year, month, 1 )

                group_name = ''
                if year == now.year:
                    group_name = date.strftime( '%B' ).capitalize()
                else:
                    group_name = date.strftime( '%B, %Y' ).capitalize()

                groups.append( ( group_name, self.snapshots.get_snapshot_id( date ), [ snapshot_id ]) )

        #fill time_line list
        for group in groups:
            if len( group[2] ) > 0:
                self.store_time_line.append( [ "<b>%s</b>" % group[0], '' ] );
                for snapshot_id in group[2]:
                    self.store_time_line.append( [ gnometools.get_snapshot_display_markup( self.snapshots, snapshot_id ), snapshot_id ] )

        #select previous item
        iter = self.store_time_line.get_iter_first()
        while not iter is None:
            if current_selection == self.store_time_line.get_value( iter, 1 ):
                break
            iter = self.store_time_line.iter_next( iter )

        changed = False
        if iter is None:
            changed = True
            iter = self.store_time_line.get_iter_first()

        self.list_time_line.get_selection().select_iter( iter )

        if changed and update_folder_view:
            self.update_folder_view( 2 )

    def on_close( self, *params ):
        main_window_x, main_window_y = self.window.get_position()
        main_window_width, main_window_height = self.window.get_size()
        main_window_hpaned1 = self.builder.get_object('hpaned1').get_position()
        main_window_hpaned2 = self.builder.get_object('hpaned2').get_position()

        self.config.set_int_value( 'gnome.main_window.x', main_window_x )
        self.config.set_int_value( 'gnome.main_window.y', main_window_y )
        self.config.set_int_value( 'gnome.main_window.width', main_window_width )
        self.config.set_int_value( 'gnome.main_window.height', main_window_height )
        self.config.set_int_value( 'gnome.main_window.hpaned1', main_window_hpaned1 )
        self.config.set_int_value( 'gnome.main_window.hpaned2', main_window_hpaned2 )
        self.config.set_str_value( 'gnome.last_path', self.folder_path )
        self.config.set_bool_value( 'gnome.show_hidden_files', self.show_hidden_files )

        self.config.save()
        self.window.destroy()
        return True

    def on_list_time_line_cursor_changed( self, list ):
        if list.get_selection().path_is_selected( list.get_cursor()[ 0 ] ):
            self.update_folder_view( 2 )

    def on_list_places_cursor_changed( self, list ):
        if list.get_selection().path_is_selected( list.get_cursor()[ 0 ] ):
            iter = list.get_selection().get_selected()[1]
            folder_path = self.store_places.get_value( iter, 1 )
            if folder_path != self.folder_path:
                self.folder_path = folder_path
                self.update_folder_view( 0 )

    def on_list_folder_view_drag_data_get( self, widget, drag_context, selection_data, info, timestamp, user_param1 = None ):
        iter = self.list_folder_view.get_selection().get_selected()[1]
        if not iter is None:
            path = self.store_folder_view.get_value( iter, 1 )
            path = self.snapshots.get_snapshot_path_to( self.snapshot_id, path )
            path = gnomevfs.escape_path_string( path )
            selection_data.set_uris( [ 'file://' + path ] )

    def on_list_folder_view_key_press_event( self, list, event ):
		if gtk.keysyms.BackSpace == event.keyval:
			self.on_btn_fodler_up_clicked( None )
			return True

		if 32 != event.keyval:
			return False

		if not self.use_gloobus_preview:
			return False

		if not self.config.get_bool_value( 'gnome.use_gloobus_preview', True ):
			return False

		iter = self.list_folder_view.get_selection().get_selected()
		if iter is None:
			return True

		iter = iter[1]
		if iter is None:
			return True

		path = self.store_folder_view.get_value( iter, 1 )
		full_path = self.snapshots.get_snapshot_path_to( self.snapshot_id, path )

		if not os.path.exists( full_path ):
			return True

		if not self.snapshots.can_open_path( self.snapshot_id, full_path ):
			return True

		cmd = "gloobus-preview \"%s\" &" % full_path
		print cmd
		os.system( cmd )
		return True

    def on_list_folder_view_button_press_event( self, list, event ):
        if event.button != 3:
            return

        if len( self.store_folder_view ) <= 0:
            return

        path = self.list_folder_view.get_path_at_pos( int( event.x ), int( event.y ) )
        if path is None:
            return
        path = path[0]
    
        self.list_folder_view.get_selection().select_path( path )
        self.show_folder_view_menu_popup( self.list_folder_view, event.button, event.time )

    def on_list_folder_view_popup_menu( self, list ):
        self.show_folder_view_menu_popup( list, 1, gtk.get_current_event_time() )

    def show_folder_view_menu_popup( self, list, button, time ):
        iter = list.get_selection().get_selected()[1]
        if iter is None:
            return

        #print "popup-menu"
        self.popup_menu = gtk.Menu()

        menu_item = gtk.ImageMenuItem( 'backintime.open' )
        menu_item.set_image( gtk.image_new_from_icon_name( self.store_folder_view.get_value( iter, 2 ), gtk.ICON_SIZE_MENU ) )
        menu_item.connect( 'activate', self.on_list_folder_view_open_item )
        self.popup_menu.append( menu_item )

        self.popup_menu.append( gtk.SeparatorMenuItem() )

        menu_item = gtk.ImageMenuItem( 'backintime.copy' )
        menu_item.set_image( gtk.image_new_from_stock( gtk.STOCK_COPY, gtk.ICON_SIZE_MENU ) )
        menu_item.connect( 'activate', self.on_list_folder_view_copy_item )
        self.popup_menu.append( menu_item )

        menu_item = gtk.ImageMenuItem( 'backintime.snapshots' )
        menu_item.set_image( gtk.image_new_from_stock( gtk.STOCK_INDEX, gtk.ICON_SIZE_MENU ) )
        menu_item.connect( 'activate', self.on_list_folder_view_snapshots_item )
        self.popup_menu.append( menu_item )

        if len( self.snapshot_id ) > 1:
            menu_item = gtk.ImageMenuItem( 'backintime.restore' )
            menu_item.set_image( gtk.image_new_from_stock( gtk.STOCK_UNDELETE, gtk.ICON_SIZE_MENU ) )
            menu_item.connect( 'activate', self.on_list_folder_view_restore_item )
            self.popup_menu.append( menu_item )

        self.popup_menu.show_all()
        self.popup_menu.popup( None, None, None, button, time )

    def on_list_folder_view_restore_item( self, widget, data = None ):
        self.on_btn_restore_clicked( self.builder.get_object( 'btn_restore' ) )

    def on_list_folder_view_copy_item( self, widget, data = None ):
        self.on_btn_copy_clicked( self.builder.get_object( 'btn_copy' ) )

    def on_list_folder_view_snapshots_item( self, widget, data = None ):
        self.on_btn_snapshots_clicked( self.builder.get_object( 'btn_snapshots' ) )

    def on_list_folder_view_open_item( self, widget, data = None ):
		iter = self.list_folder_view.get_selection().get_selected()[1]
		if iter is None:
			return

		path = self.store_folder_view.get_value( iter, 1 )
		path = self.snapshots.get_snapshot_path_to( self.snapshot_id, path )

		if not os.path.exists( path ):
			return

		cmd = "gnome-open \"%s\" &" % path
		print cmd
		os.system( cmd )

    def on_list_folder_view_row_activated( self, list, path, column ):
		iter = list.get_selection().get_selected()[1]
		path = self.store_folder_view.get_value( iter, 1 )
		full_path = self.snapshots.get_snapshot_path_to( self.snapshot_id, path )

		if not os.path.exists( full_path ):
			return

		if not self.snapshots.can_open_path( self.snapshot_id, full_path ):
			return

		#directory
		if 0 == self.store_folder_view.get_value( iter, 3 ):
			self.folder_path = path
			self.update_folder_view( 1 )
			return

		#file
		cmd = "gnome-open \"%s\" &" % full_path
		print cmd
		os.system( cmd )

    def on_btn_fodler_up_clicked( self, button ):
        if len( self.folder_path ) <= 1:
            return

        index = self.folder_path.rfind( '/' )
        if index < 1:
            parent_path = "/"
        else:
            parent_path = self.folder_path[ : index ]

        self.folder_path = parent_path
        self.update_folder_view( 1 )

    def on_btn_restore_clicked( self, button ):
        iter = self.list_folder_view.get_selection().get_selected()[1]
        if not iter is None:
            button.set_sensitive( False )
            gnometools.run_gtk_update_loop()
            self.snapshots.restore( self.snapshot_id, self.store_folder_view.get_value( iter, 1 ) )
            button.set_sensitive( True )
    
    def on_btn_copy_clicked( self, button ):
        iter = self.list_folder_view.get_selection().get_selected()[1]
        if iter is None:
            return

        path = self.store_folder_view.get_value( iter, 1 )
        path = self.snapshots.get_snapshot_path_to( self.snapshot_id, path )

        clipboardtools.clipboard_copy_path( path )

    def on_btn_hidden_files_toggled( self, button ):
        if self.folder_path is None:
            return

        self.show_hidden_files = button.get_active()
        self.update_folder_view( 0 )

    def on_btn_snapshots_clicked( self, button ):
        iter = self.list_folder_view.get_selection().get_selected()[1]
        if iter is None:
            return

        path = self.store_folder_view.get_value( iter, 1 )
        icon_name = self.store_folder_view.get_value( iter, 2 )

        retVal = snapshotsdialog.SnapshotsDialog( self.snapshots, self.window, path, self.snapshots_list, self.snapshot_id, icon_name, self.use_gloobus_preview ).run()
        
        #select the specified file
        if not retVal is None:
            iter = self.store_time_line.get_iter_first()
            while not iter is None:
                snapshot_id = self.store_time_line.get_value( iter, 1 )
                if snapshot_id == retVal:
                    break
                iter = self.store_time_line.iter_next( iter )

            if not iter is None:
                self.list_time_line.get_selection().select_iter( iter )
                self.update_folder_view( 2 )

    def on_btn_about_clicked( self, button ):
        AboutDialog( self.config, self.window ).run()

    def on_help( self ):
        gnome.help_display('backintime')

    def on_btn_help_clicked( self, button ):
        #self.on_help()
        os.system( "gnome-open http://backintime.le-web.org/documentation &" )

    def on_btn_website_clicked( self, button ):
        os.system( "gnome-open http://backintime.le-web.org &" )

    def on_key_release_event( self, widget, event ):
        if 'F1' == gtk.gdk.keyval_name( event.keyval ) and ( event.state & (gtk.gdk.CONTROL_MASK | gtk.gdk.MOD1_MASK) ) == 0:
            self.on_help()

    def on_btn_settings_clicked( self, button ):
        snapshots_full_path = self.config.get_snapshots_full_path()
        include_folders = self.config.get_include()

        settingsdialog.SettingsDialog( self.config, self.snapshots, self ).run()

        if snapshots_full_path != self.config.get_snapshots_full_path() or include_folders != self.config.get_include():
            self.update_all( False )
        self.update_profiles()

    def on_btn_snapshot_name_clicked( self, button ):
        iter = self.list_time_line.get_selection().get_selected()[1]
        if iter is None:
            return

        snapshot_id = self.store_time_line.get_value( iter, 1 )
        if len( snapshot_id ) <= 1:
            return

        old_name = self.snapshots.get_snapshot_name( snapshot_id )
        new_name = messagebox.text_input_dialog( self.window, self.config, _('Snapshot Name'), old_name )
        if new_name is None:
            return

        if old_name == new_name:
            return

        self.snapshots.set_snapshot_name( snapshot_id, new_name )
        self.store_time_line.set_value( iter, 0, gnometools.get_snapshot_display_markup( self.snapshots, snapshot_id ) )

    def on_btn_remove_snapshot_clicked( self, button ):
        iter = self.list_time_line.get_selection().get_selected()[1]
        if iter is None:
            return

        snapshot_id = self.store_time_line.get_value( iter, 1 )
        if len( snapshot_id ) <= 1:
            return

        if gtk.RESPONSE_YES == messagebox.show_question( self.window, self.config, _('Are you sure you want to remove the snapshot:\n<b>%s</b>') % self.snapshots.get_snapshot_display_name( snapshot_id ) ):
            print "Remove Snapshot: %s" % snapshot_id
            self.snapshots.remove_snapshot( snapshot_id )
            self.fill_time_line()

    def on_btn_view_snapshot_log_clicked( self, button ):
		iter = self.list_time_line.get_selection().get_selected()[1]
		if iter is None:
			return

		snapshot_id = self.store_time_line.get_value( iter, 1 )
		if len( snapshot_id ) <= 1:
			return

		logviewdialog.LogViewDialog( self, snapshot_id ).run()

    def on_btn_view_last_log_clicked( self, button ):
		logviewdialog.LogViewDialog( self ).run()

    def on_btn_backup_clicked( self, button ):
        button.set_sensitive( False )
        self.updatetime_line = True
        
        if self.snapshots.is_busy():
            self.update_backup_info()
            return

        backintime.take_snapshot_now_async( self.config )
        self.update_backup_info( True )

    def on_btn_update_snapshots_clicked( self, button ):
        self.fill_time_line( False )
        self.update_folder_view( 2 )

    def update_folder_view( self, changed_from, selected_file = None, show_snapshots = False ): #0 - places, 1 - folder view, 2 - time_line
		#update backup time
		if 2 == changed_from:
			iter = self.list_time_line.get_selection().get_selected()[1]
			self.snapshot_id = self.store_time_line.get_value( iter, 1 )
			#self.lblTime.set_markup( "<b>%s</b>" % backupTime )

		tooltip = ''
		text = ''
		if len( self.snapshot_id ) > 1:
			name = self.snapshots.get_snapshot_display_id( self.snapshot_id )
			text = _('Snapshot: %s') % name
			tooltip = _('View the snapshot made at %s') % name
		else:
			tooltip = _('View the current disk content')
			text = _('Now')

		self.lbl_snapshot.set_markup( ' <b>' + text + '</b> ' )
		self.lbl_snapshot.set_tooltip_text( tooltip )

		#update selected places item
		if 1 == changed_from:
			iter = self.store_places.get_iter_first()
			while not iter is None:
				place_path = self.store_places.get_value( iter, 1 )
				if place_path == self.folder_path:
					break
				iter = self.store_places.iter_next( iter )

			if iter is None:
				self.list_places.get_selection().unselect_all()
			else:
				self.list_places.get_selection().select_iter( iter )

		#update folder view
		
		full_path = self.snapshots.get_snapshot_path_to( self.snapshot_id, self.folder_path )
		all_files = []
		files = []
		folder_exists = os.path.isdir( full_path )

		if folder_exists:
			try:
				all_files = os.listdir( full_path )
				all_files.sort()
			except:
				pass

			files = []
			for file in all_files:
				if len( file ) == 0:
					continue

				if not self.show_hidden_files:
					if file[ 0 ] == '.':
						continue
					if file[ -1 ] == '~':
						continue

				path = os.path.join( full_path, file )

				file_size = -1
				file_date = -1

				try:
					file_stat = os.stat( path )
					file_size = file_stat[stat.ST_SIZE]
					file_date = file_stat[stat.ST_MTIME]
				except:
					pass

				#format size
				file_size_int = file_size
				if file_size_int < 0:
					file_size_int = 0

				if file_size < 0:
					file_size = 'unknown'
				elif file_size < 1024:
					file_size = str( file_size ) + ' bytes'
				elif file_size < 1024 * 1024:
					file_size = file_size / 1024
					file_size = str( file_size ) + ' KB'
				elif file_size < 1024 * 1024 * 1024:
					file_size = file_size / ( 1024 * 1024 )
					file_size = str( file_size ) + ' MB'
				else:
					file_size = file_size / ( 1024 * 1024 * 1024 )
					file_size = str( file_size ) + ' GB'

				#format date
				if file_date < 0:
					file_date = 'unknown'
				else:
					file_date = datetime.datetime.fromtimestamp(file_date).isoformat(' ')

				markup = "%s"
				if os.path.islink( path ):
					if self.snapshots.can_open_path( self.snapshot_id, path ):
						markup = "<i>%s</i>"
					else:
						markup = "<b>!</b><i>%s</i>"

				if os.path.isdir( path ):
					files.append( [ markup % file, file_size, file_date, self.icon_names.get_icon(path), file_size_int, 0, file ] )
				else:
					files.append( [ markup % file, file_size, file_date, self.icon_names.get_icon(path), file_size_int, 1, file ] )

			#try to keep old selected file
			if selected_file is None:
				selected_file = ''
				iter = self.list_folder_view.get_selection().get_selected()[1]
				if not iter is None:
					selected_file = self.store_folder_view.get_value( iter, 1 )

			self.list_folder_view_widget.show()
			self.list_folder_view_shadow.hide()
		else:
			self.list_folder_view_widget.hide()
			self.list_folder_view_shadow.show()

		#populate the list
		self.store_folder_view.clear()

		selected_iter = None
		for item in files:
			rel_path = os.path.join( self.folder_path, item[6] )
			item[0] = item[0].replace( '&' , '&amp;' )
			new_iter = self.store_folder_view.append( [ item[0], rel_path, item[3], item[5], item[1], item[2], item[4] ] )
			if selected_file == rel_path:
				selected_iter = new_iter 

		#select old item or the first item
		if len( files ) > 0:
			if selected_iter is None:
				selected_iter = self.store_folder_view.get_iter_first()
			self.list_folder_view.get_selection().select_iter( selected_iter )
			self.list_folder_view.drag_source_set( gtk.gdk.BUTTON1_MASK | gtk.gdk.BUTTON3_MASK, gtk.target_list_add_uri_targets(), gtk.gdk.ACTION_COPY )
		else:
			self.list_folder_view.drag_source_unset()

		#update folderup button state
		self.builder.get_object( 'btn_folder_up' ).set_sensitive( len( self.folder_path ) > 1 )

		#update restore button state
		self.builder.get_object( 'btn_restore' ).set_sensitive( len( self.snapshot_id ) > 1 and len( self.store_folder_view ) > 0 )

		#update remove/name snapshot buttons
		self.builder.get_object( 'btn_snapshot_name' ).set_sensitive( len( self.snapshot_id ) > 1 )
		self.builder.get_object( 'btn_remove_snapshot' ).set_sensitive( len( self.snapshot_id ) > 1 )
		self.builder.get_object( 'btn_view_snapshot_log' ).set_sensitive( len( self.snapshot_id ) > 1 )

		#update copy button state
		self.builder.get_object( 'btn_copy' ).set_sensitive( len( self.store_folder_view ) > 0 )

		#update snapshots button state
		self.builder.get_object( 'btn_snapshots' ).set_sensitive( len( self.store_folder_view ) > 0 )

		#display current folder
		self.builder.get_object( 'edit_current_path' ).set_text( self.folder_path )

		#show snapshots
		if show_snapshots:
			self.on_btn_snapshots_clicked( None )


def open_url( dialog, link, user_data ):
    os.system( "gnome-open \"%s\" &" % link )


if __name__ == '__main__':
    cfg = backintime.start_app( 'backintime-gnome', ['-s', '--snapshots'] )

    raise_cmd = ''
    if len( sys.argv ) > 1:
        raise_cmd = '\n'.join( sys.argv[ 1 : ] )

    app_instance = guiapplicationinstance.GUIApplicationInstance( cfg.get_app_instance_file(), raise_cmd )

    gnome_props = { gnome.PARAM_APP_DATADIR : '/usr/share' }
    gnome.program_init( 'backintime', cfg.VERSION, properties = gnome_props )

    gtk.about_dialog_set_url_hook( open_url, None )

    logger.openlog()
    main_window = MainWindow( cfg, app_instance )
    		
    if cfg.is_configured():
        gtk.main()
    logger.closelog()

    app_instance.exit_application()

