# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2001-2006  Donald N. Allingham
# Copyright (C) 2008       Gary Burton
#
# 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
#

# $Id$

"""
Place View
"""

#-------------------------------------------------------------------------
#
# GTK/Gnome modules
#
#-------------------------------------------------------------------------
import gtk

#-------------------------------------------------------------------------
#
# gramps modules
#
#-------------------------------------------------------------------------
import gen.lib
import PageView
import DisplayModels
import Utils
import Errors
import Bookmarks
import Config
from QuestionDialog import ErrorDialog
from DdTargets import DdTargets
from Editors import EditPlace, DeletePlaceQuery
from Filters.SideBar import PlaceSidebarFilter

#-------------------------------------------------------------------------
#
# internationalization
#
#-------------------------------------------------------------------------
from gettext import gettext as _


#-------------------------------------------------------------------------
#
# PlaceView
#
#-------------------------------------------------------------------------
class PlaceView(PageView.ListView):
    
    COLUMN_NAMES = [
        _('Place Name'),
        _('ID'),
        _('Church Parish'),
        _('ZIP/Postal Code'),
        _('City'),
        _('County'),
        _('State'),
        _('Country'),
        _('Latitude'),
        _('Longitude'),
        _('Last Changed'),
        _('Street'),
        ]

    ADD_MSG     = _("Add a new place")
    EDIT_MSG    = _("Edit the selected place")
    DEL_MSG     = _("Delete the selected place")
    FILTER_TYPE = "Place"

    def __init__(self, dbstate, uistate):

        signal_map = {
            'place-add'     : self.row_add,
            'place-update'  : self.row_update,
            'place-delete'  : self.row_delete,
            'place-rebuild' : self.object_build,
            }

        self.func_list = {
            '<CONTROL>J' : self.jump,
            '<CONTROL>BackSpace' : self.key_delete,
            }

        PageView.ListView.__init__(
            self, _('Places'), dbstate, uistate, PlaceView.COLUMN_NAMES,
            len(PlaceView.COLUMN_NAMES), 
            DisplayModels.PlaceModel, signal_map,
            dbstate.db.get_place_bookmarks(),
            Bookmarks.PlaceBookmarks, 
            multiple=True,
            filter_class=PlaceSidebarFilter)

        Config.client.notify_add("/apps/gramps/interface/filter",
                                 self.filter_toggle)

    def get_bookmarks(self):
        return self.dbstate.db.get_place_bookmarks()

    def define_actions(self):
        PageView.ListView.define_actions(self)
        self._add_action('ColumnEdit', gtk.STOCK_PROPERTIES,
                         _('_Column Editor'), callback=self._column_editor)
        self._add_action('FastMerge', None, _('_Merge...'),
                         callback=self.fast_merge)
        self._add_action('GoogleMaps', gtk.STOCK_JUMP_TO, _('_Google Maps'),
                         callback=self.google,
                         tip=_("Attempt to map location on Google Maps"))
        self._add_action('FilterEdit', None, _('Place Filter Editor'),
                         callback=self.filter_editor,)

    def drag_info(self):
        return DdTargets.PLACE_LINK

    def google(self, obj):
        import GrampsDisplay
        from PlaceUtils import conv_lat_lon

        try:
            place_handle = self.selected_handles()[0]
        except IndexError:
            return
        place = self.dbstate.db.get_place_from_handle(place_handle)
        descr = place.get_title()
        longitude = place.get_longitude()
        latitude = place.get_latitude()
        latitude, longitude = conv_lat_lon(latitude, longitude, "D.D8")
        city = place.get_main_location().get_city()
        country = place.get_main_location().get_country()

        if longitude and latitude:
            path = "http://maps.google.com/?sll=%s,%s&z=15" % (latitude, longitude)
        elif city and country:
            path = "http://maps.google.com/maps?q=%s,%s" % (city, country)
        else:
            path = "http://maps.google.com/maps?q=%s" % '+'.join(descr.split())
        GrampsDisplay.url(path)
        
    def _column_editor(self, obj):
        import ColumnOrder

        ColumnOrder.ColumnOrder(
            _('Select Place Columns'),
            self.uistate,
            self.dbstate.db.get_place_column_order(),
            PlaceView.COLUMN_NAMES,
            self.set_column_order)

    def set_column_order(self, clist):
        self.dbstate.db.set_place_column_order(clist)
        self.build_columns()

    def column_order(self):
        return self.dbstate.db.get_place_column_order()

    def get_stock(self):
        return 'gramps-place'

    def ui_definition(self):
        return '''<ui>
          <menubar name="MenuBar">
            <menu action="FileMenu">
              <placeholder name="LocalExport">
                <menuitem action="ExportTab"/>
              </placeholder>
            </menu>
            <menu action="BookMenu">
              <placeholder name="AddEditBook">
                <menuitem action="AddBook"/>
                <menuitem action="EditBook"/>
              </placeholder>
            </menu>
            <menu action="EditMenu">
              <placeholder name="CommonEdit">
                <menuitem action="Add"/>
                <menuitem action="Edit"/>
                <menuitem action="Remove"/>
              </placeholder>
              <menuitem action="ColumnEdit"/>
              <menuitem action="FilterEdit"/>
              <placeholder name="Merge">
                <menuitem action="FastMerge"/>
              </placeholder>
            </menu>
          </menubar>
          <toolbar name="ToolBar">
            <placeholder name="CommonEdit">
              <toolitem action="Add"/>
              <toolitem action="Edit"/>
              <toolitem action="Remove"/>
              <separator/>
              <toolitem action="GoogleMaps"/>
            </placeholder>
          </toolbar>
          <popup name="Popup">
            <menuitem action="Add"/>
            <menuitem action="Edit"/>
            <menuitem action="Remove"/>
            <menuitem action="GoogleMaps"/>
          </popup>
        </ui>'''

    def add(self, obj):
        try:
            EditPlace(self.dbstate, self.uistate, [], gen.lib.Place())
        except Errors.WindowActiveError:
            pass

    def remove(self, obj):
        self.remove_selected_objects()

    def remove_object_from_handle(self, handle):
        person_list = [
            item[1] for item in
            self.dbstate.db.find_backlink_handles(handle,['Person'])]

        family_list = [
            item[1] for item in
            self.dbstate.db.find_backlink_handles(handle,['Family'])]
        
        event_list = [
            item[1] for item in
            self.dbstate.db.find_backlink_handles(handle,['Event'])]
        
        object = self.dbstate.db.get_place_from_handle(handle)
        query = DeletePlaceQuery(self.dbstate, self.uistate, object,
                                 person_list, family_list, event_list)

        is_used = len(person_list) + len(family_list) + len(event_list) > 0
        return (query, is_used, object)

    def edit(self, obj):
        for handle in self.selected_handles():
            place = self.dbstate.db.get_place_from_handle(handle)
            try:
                EditPlace(self.dbstate, self.uistate, [], place)
            except Errors.WindowActiveError:
                pass

    def fast_merge(self, obj):
        mlist = self.selected_handles()
        
        if len(mlist) != 2:
            msg = _("Cannot merge places.")
            msg2 = _("Exactly two places must be selected to perform a merge. "
                     "A second place can be selected by holding down the "
                     "control key while clicking on the desired place.")
            ErrorDialog(msg, msg2)
        else:
            import Merge
            Merge.MergePlaces(self.dbstate, self.uistate, mlist[0], mlist[1])

    def get_handle_from_gramps_id(self, gid):
        obj = self.dbstate.db.get_place_from_gramps_id(gid)
        if obj:
            return obj.get_handle()
        else:
            return None