# Copyright (C) 2009  Lars Wirzenius <liw@liw.fi>
# 
# 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 3 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, see <http://www.gnu.org/licenses/>.


# This is necessary for running under Python 2.5, which we need to
# do on Debian, for now.
from __future__ import with_statement


import os
import shutil

import gobject
import gtk

import dimbola


class RatePhotosPlugin(dimbola.Plugin):

    '''Allow user to use a 0-5 star rating for photos.'''

    def __init__(self, mwc):
        self.mwc = mwc
        mwc.new_hook('photo-rating-requested', gobject.TYPE_NONE,
                     (gobject.TYPE_INT,))
        
    def enable(self):
        self.mwc.add_to_menu('photo_menu', 'rate_as_0_stars',
                             'Rate as 0 stars')
        self.mwc.add_to_menu('photo_menu', 'rate_as_1_star',
                             'Rate as 1 stars')
        self.mwc.add_to_menu('photo_menu', 'rate_as_2_stars',
                             'Rate as 2 stars')
        self.mwc.add_to_menu('photo_menu', 'rate_as_3_stars',
                             'Rate as 3 stars')
        self.mwc.add_to_menu('photo_menu', 'rate_as_4_stars',
                             'Rate as 4 stars')
        self.mwc.add_to_menu('photo_menu', 'rate_as_5_stars',
                             'Rate as 5 stars')
        self.enable_signal(self.mwc, 'photo-rating-requested', self.rate_cb)
        
    def disable(self):
        self.mwc.remove_from_menu('photo_menu', 'rate_as_0_stars')
        self.mwc.remove_from_menu('photo_menu', 'rate_as_1_star')
        self.mwc.remove_from_menu('photo_menu', 'rate_as_2_stars')
        self.mwc.remove_from_menu('photo_menu', 'rate_as_3_stars')
        self.mwc.remove_from_menu('photo_menu', 'rate_as_4_stars')
        self.mwc.remove_from_menu('photo_menu', 'rate_as_5_stars')
    
    def rate(self, stars):
        '''Rate selected photos with stars.'''
        with self.mwc.db:
            for photoid in self.mwc.grid.model.selected:
                self.mwc.db.set_rating(photoid, stars)
        for photoid in self.mwc.grid.model.selected:
            self.mwc.photo_meta_changed(photoid)

    def rate_cb(self, mwc, stars):
        self.rate(stars)

    def on_rate_as_0_stars_activate(self, menuitem):
        self.rate(0)

    def on_rate_as_1_star_activate(self, menuitem):
        self.rate(1)

    def on_rate_as_2_stars_activate(self, menuitem):
        self.rate(2)

    def on_rate_as_3_stars_activate(self, menuitem):
        self.rate(3)

    def on_rate_as_4_stars_activate(self, menuitem):
        self.rate(4)

    def on_rate_as_5_stars_activate(self, menuitem):
        self.rate(5)

    def menuitem_is_sensitive(self):
        return self.mwc.grid.model.selected
    
    rate_as_0_stars_is_sensitive = menuitem_is_sensitive
    rate_as_1_star_is_sensitive = menuitem_is_sensitive
    rate_as_2_stars_is_sensitive = menuitem_is_sensitive
    rate_as_3_stars_is_sensitive = menuitem_is_sensitive
    rate_as_4_stars_is_sensitive = menuitem_is_sensitive
    rate_as_5_stars_is_sensitive = menuitem_is_sensitive