#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2000-2006  Donald N. Allingham
#
# 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#

# $Id: WritePkg.py 8367 2007-04-09 04:24:06Z pez4brian $

"Export to GRAMPS package"

#-------------------------------------------------------------------------
#
# standard python modules
#
#-------------------------------------------------------------------------
import time
import os
import sys
import tarfile
from cStringIO import StringIO
from gettext import gettext as _

#------------------------------------------------------------------------
#
# Set up logging
#
#------------------------------------------------------------------------
import logging
log = logging.getLogger(".WritePkg")

#-------------------------------------------------------------------------
#
# GNOME/GTK modules
#
#-------------------------------------------------------------------------
import gtk
import gtk.glade

#-------------------------------------------------------------------------
#
# GRAMPS modules
#
#-------------------------------------------------------------------------
from GrampsDb import XmlWriter
import Utils
from QuestionDialog import MissingMediaDialog
from PluginUtils import register_export

#-------------------------------------------------------------------------
#
# writeData
#
#-------------------------------------------------------------------------
def writeData(database,filename,person,callback=None):
    ret = 0
    writer = PackageWriter(database,filename,callback)
    ret = writer.export()
    return ret
    
#-------------------------------------------------------------------------
#
# PackageWriter
#
#-------------------------------------------------------------------------
class PackageWriter:

    def __init__(self,database,filename,callback):
        self.db = database
        self.callback = callback
        self.filename = filename
            
    def export(self):
        missmedia_action = 0
        #--------------------------------------------------------------
        def remove_clicked():
            # File is lost => remove all references and the object itself
            for p_id in self.db.get_family_handles():
                p = self.db.get_family_from_handle(p_id)
                nl = p.get_media_list()
                for o in nl:
                    if o.get_reference_handle() == m_id:
                        nl.remove(o) 
                p.set_media_list(nl)
                self.db.commit_family(p,None)
            for key in self.db.get_person_handles(sort_handles=False):
                p = self.db.get_person_from_handle(key)
                nl = p.get_media_list()
                for o in nl:
                    if o.get_reference_handle() == m_id:
                        nl.remove(o) 
                p.set_media_list(nl)
                self.db.commit_person(p,None)
            for key in self.db.get_source_handles():
                p = self.db.get_source_from_handle(key)
                nl = p.get_media_list()
                for o in nl:
                    if o.get_reference_handle() == m_id:
                        nl.remove(o) 
                p.set_media_list(nl)
                self.db.commit_source(p,None)
            for key in self.db.get_place_handles():
                p = self.db.get_place_from_handle(key)
                nl = p.get_media_list()
                for o in nl:
                    if o.get_reference_handle() == m_id:
                        nl.remove(o) 
                p.set_media_list(nl)
                self.db.commit_place(p,None)
            for key in self.db.get_event_handles():
                p = self.db.get_event_from_handle(key)
                nl = p.get_media_list()
                for o in nl:
                    if o.get_reference_handle() == m_id:
                        nl.remove(o) 
                p.set_media_list(nl)
                self.db.commit_event(p,None)
            self.db.remove_object(m_id,None)

        def leave_clicked():
            # File is lost => do nothing, leave as is
            pass

        def select_clicked():
            # File is lost => select a file to replace the lost one
            def fs_close_window(obj):
                pass

            def fs_ok_clicked(obj):
                name = Utils.get_unicode_path(fs_top.get_filename())
                if os.path.isfile(name):
                    archive.add(name)

            fs_top = gtk.FileSelection("%s - GRAMPS" % _("Select file"))
            fs_top.hide_fileop_buttons()
            fs_top.ok_button.connect('clicked',fs_ok_clicked)
            fs_top.cancel_button.connect('clicked',fs_close_window)
            fs_top.run()
            fs_top.destroy()
        #---------------------------------------------------------------

        archive = tarfile.open(self.filename,'w:gz')
        
        # Write media files first, since the database may be modified 
        # during the process (i.e. when removing object)
        for m_id in self.db.get_media_object_handles():
            mobject = self.db.get_object_from_handle(m_id)
            filename = str(mobject.get_path())
            if os.path.isfile(filename):
                archive.add(filename)
#             else:
#                 # File is lost => ask what to do
#                 if missmedia_action == 0:
#                     mmd = MissingMediaDialog(
#                         _("Media object could not be found"),
#                         _("%(file_name)s is referenced in the database, "
#                           "but no longer exists. The file may have been "
#                           "deleted or moved to a different location. " 
#                           "You may choose to either remove the reference "
#                           "from the database, keep the reference to the "
#                           "missing file, or select a new file."
#                           ) % { 'file_name' : filename },
#                         remove_clicked, leave_clicked, select_clicked)
#                     missmedia_action = mmd.default_action
#                 elif missmedia_action == 1:
#                     remove_clicked()
#                 elif missmedia_action == 2:
#                     leave_clicked()
#                 elif missmedia_action == 3:
#                     select_clicked()
        
        # Write XML now
        g = StringIO()
        gfile = XmlWriter(self.db,self.callback,2)
        gfile.write_handle(g)
        tarinfo = tarfile.TarInfo('data.gramps')
        tarinfo.size = len(g.getvalue())
        tarinfo.mtime = time.time()
        if os.sys.platform != "win32":
            tarinfo.uid = os.getuid()
            tarinfo.gid = os.getgid()
        g.seek(0)
        archive.addfile(tarinfo,g)
        archive.close()
        g.close()

        return 1
    
#-------------------------------------------------------------------------
#
# Register the plugin
#
#-------------------------------------------------------------------------
_title = _('GRAM_PS package (portable XML)')
_description = _('GRAMPS package is an archived XML database together with the media object files.')
_config = None
_filename = 'gpkg'

register_export(writeData,_title,_description,_config,_filename)
