# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2001-2006  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
#

# $Id$

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

#-------------------------------------------------------------------------
#
# gramps modules
#
#-------------------------------------------------------------------------
import RelLib
import PageView
import DisplayModels
import Utils
import Errors
import Bookmarks
import Config
import const
from DdTargets import DdTargets
from QuestionDialog import QuestionDialog
from Editors import EditEvent, DelEventQuery
from Filters.SideBar import EventSidebarFilter

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

column_names = [
    _('Description'),
    _('ID'),
    _('Type'),
    _('Date'),
    _('Place'),
    _('Cause'),
    _('Last Changed'),
    ]

#-------------------------------------------------------------------------
#
# EventView
#
#-------------------------------------------------------------------------
class EventView(PageView.ListView):

    ADD_MSG = _("Add a new event")
    EDIT_MSG = _("Edit the selected event")
    DEL_MSG = _("Delete the selected event")

    def __init__(self,dbstate,uistate):

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

        PageView.ListView.__init__(
            self, _('Events'), dbstate, uistate,
            column_names, len(column_names), DisplayModels.EventModel,
            signal_map, dbstate.db.get_event_bookmarks(),
            Bookmarks.EventBookmarks, filter_class=EventSidebarFilter)

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

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

    def drag_info(self):
        return DdTargets.EVENT

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

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

    def ui_definition(self):
        return '''<ui>
          <menubar name="MenuBar">
            <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"/>
            </menu>
          </menubar>
          <toolbar name="ToolBar">
            <placeholder name="CommonEdit">
              <toolitem action="Add"/>
              <toolitem action="Edit"/>
              <toolitem action="Remove"/>
            </placeholder>
          </toolbar>
          <popup name="Popup">
            <menuitem action="Add"/>
            <menuitem action="Edit"/>
            <menuitem action="Remove"/>
          </popup>
        </ui>'''

    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('FilterEdit', None, _('Event Filter Editor'),
                        callback=self.filter_editor,)

    def filter_toggle(self, client, cnxn_id, etnry, data):
        if Config.get(Config.FILTER):
            self.search_bar.hide()
            self.filter_pane.show()
            active = True
        else:
            self.search_bar.show()
            self.filter_pane.hide()
            active = False

    def filter_editor(self,obj):
        from FilterEditor import FilterEditor

        try:
            FilterEditor('Event',const.custom_filters,
                         self.dbstate,self.uistate)
        except Errors.WindowActiveError:
            pass            

    def column_editor(self,obj):
        import ColumnOrder

        ColumnOrder.ColumnOrder(
            _('Select Event Columns'),
            self.uistate,
            self.dbstate.db.get_event_column_order(),
            column_names,
            self.set_column_order)

    def set_column_order(self,list):
        self.dbstate.db.set_event_column_order(list)
        self.build_columns()

    def on_double_click(self,obj,event):
        handle = self.first_selected()
        the_event = self.dbstate.db.get_event_from_handle(handle)
        try:
            EditEvent(the_event,self.dbstate, self.uistate, [])
        except Errors.WindowActiveError:
            pass

    def add(self,obj):
        try:
            EditEvent(RelLib.Event(),self.dbstate, self.uistate, [])
        except Errors.WindowActiveError:
            pass

    def remove(self,obj):
        for event_handle in self.selected_handles():
            db = self.dbstate.db
            person_list = [ handle for handle in
                            db.get_person_handles(False)
                            if db.get_person_from_handle(handle).has_handle_reference('Event',event_handle) ]
            family_list = [ handle for handle in
                            db.get_family_handles()
                            if db.get_family_from_handle(handle).has_handle_reference('Event',event_handle) ]
            
            event = db.get_event_from_handle(event_handle)

            ans = DelEventQuery(event,db,
                                person_list,family_list)

            if len(person_list) + len(family_list) > 0:
                msg = _('This event is currently being used. Deleting it '
                        'will remove it from the database and from all '
                        'people and families that reference it.')
            else:
                msg = _('Deleting event will remove it from the database.')
            
            msg = "%s %s" % (msg,Utils.data_recover_msg)
            descr = event.get_description()
            if descr == "":
                descr = event.get_gramps_id()
                
            QuestionDialog(_('Delete %s?') % descr, msg,
                           _('_Delete Event'),ans.query_response)

    def edit(self,obj):
        mlist = []
        self.selection.selected_foreach(self.blist,mlist)

        for handle in mlist:
            event = self.dbstate.db.get_event_from_handle(handle)
            try:
                EditEvent(event, self.dbstate, self.uistate)
            except Errors.WindowActiveError:
                pass