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# 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 gtk
import pyexiv2
import dimbola
class PhotoInfoViewer(dimbola.Plugin):
'''Show information about the selected photo in the right sidebar.'''
def __init__(self, mwc):
self.mwc = mwc
self.photoid = None
def enable(self):
self.enable_signal(self.mwc.grid.model, 'selection-changed',
self.remember_photo)
self.enable_signal(self.mwc, 'photo-meta-changed',
self.remember_photo)
self.mwc.add_to_sidebar('right_sidebar', 'basic_info_expander')
def disable(self):
self.disable_signals()
self.mwc.remove_from_sidebar('right_sidebar', 'basic_info_expander')
def exifvalue(self, exifname):
if self.photoid is None:
return ''
else:
return self.mwc.db.get_exif(self.photoid, exifname) or ''
@property
def foldername(self):
if self.photoid is None:
return ''
else:
folderid, basename, rating, rotate = \
self.mwc.db.get_basic_photo_metadata(self.photoid)
foldername = self.mwc.db.get_folder_name(folderid)
if foldername:
foldername = os.path.basename(foldername)
return foldername or ''
@property
def filename(self):
if self.photoid is None:
return ''
else:
folderid, basename, rating, rotate = \
self.mwc.db.get_basic_photo_metadata(self.photoid)
return basename
@property
def rating(self):
if self.photoid is None:
return ''
else:
folderid, basename, rating, rotate = \
self.mwc.db.get_basic_photo_metadata(self.photoid)
return '*' * rating
def draw_rating_stars(self):
w = self.mwc.widgets['photo_info_rating']
gc = w.get_style().fg_gc[gtk.STATE_NORMAL]
x = 0
y = 0
width, dim = w.window.get_size()
with self.mwc.db:
dimbola.draw_stars(len(self.rating), w.window, gc, x, y, dim)
def on_photo_info_rating_expose_event(self, w, event):
self.draw_rating_stars()
def remember_photo(self, *args):
if self.mwc.db is None:
return
if len(self.mwc.grid.model.selected) == 1:
self.photoid = self.mwc.grid.model.selected[0]
else:
self.photoid = None
with self.mwc.db:
exiftable = {
'photo_info_camera': 'Exif.Image.Model',
'photo_info_datetime': 'Exif.Image.DateTime',
'photo_info_shutter': 'Exif.Photo.ExposureTime',
'photo_info_aperture': 'Exif.Photo.ApertureValue',
'photo_info_iso': 'Exif.Photo.ISOSpeedRatings',
'photo_info_focal_length': 'Exif.Photo.FocalLength',
}
for widget_name, exifname in exiftable.iteritems():
value = self.exifvalue(exifname)
self.mwc.widgets[widget_name].set_text(value)
misctable = {
'photo_info_photoid': '%s' % (self.photoid or ''),
'photo_info_folder': self.foldername,
'photo_info_filename': self.filename,
}
for widget_name, value in misctable.iteritems():
self.mwc.widgets[widget_name].set_text(value)
self.draw_rating_stars()
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