#
# 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
#

# $Id$

#-------------------------------------------------------------------------
#
# Python classes
#
#-------------------------------------------------------------------------
from gramps.gen.const import GRAMPS_LOCALE as glocale
_ = glocale.translation.gettext

#-------------------------------------------------------------------------
#
# GRAMPS classes
#
#-------------------------------------------------------------------------
from .datamodel import DataModel
from .embeddedlist import EmbeddedList
from gramps.gen.constfunc import cuni

#-------------------------------------------------------------------------
#
# DataEmbedList
#
#-------------------------------------------------------------------------
class DataEmbedList(EmbeddedList):

    _HANDLE_COL = 0
    _DND_TYPE   = None
    
    _MSG = {
        'add'   : _('Create and add a new data entry'),
        'del'   : _('Remove the existing data entry'),
        'edit'  : _('Edit the selected data entry'),
        'up'    : _('Move the selected data entry upwards'),
        'down'  : _('Move the selected data entry downwards'),
    }
    
    #index = column in model. Value =
    #  (name, sortcol in model, width, markup/text
    _column_names = [
        (_('Key'), 0, 150, 0, -1), 
        (_('Value'), 1, 250, 0, -1), 
        ]
    
    def __init__(self, dbstate, uistate, track, obj):
        self.obj = obj
        
        EmbeddedList.__init__(self, dbstate, uistate, track, _('_Data'), 
                              DataModel, move_buttons=False)

    def build_columns(self):
        EmbeddedList.build_columns(self)

        # Need to add attributes to renderers
        # and connect renderers to the 'edited' signal
        for colno in range(len(self.columns)):
            for renderer in self.columns[colno].get_cells():
                renderer.set_property('editable', not self.dbstate.db.readonly)
                renderer.connect('edited',self.edit_inline,colno)

    def get_data(self):
        return self.obj.get_data_map()

    def is_empty(self):
        return len(self.model)==0

    def _get_map_from_model(self):
        new_map = {}
        for idx in range(len(self.model)):
            node = self.model.get_iter(idx)
            key = cuni(self.model.get_value(node, 0))
            value = cuni(self.model.get_value(node, 1))
            if key.strip():
                new_map[key] = value
        return new_map
        
    def update(self):
        new_map = self._get_map_from_model()
        self.obj.set_data_map(new_map)
        self._set_label()

    def column_order(self):
        return ((1, 0), (1, 1))

    def add_button_clicked(self, obj):
        node = self.model.append(row=['',''])
        self.selection.select_iter(node)
        path = self.model.get_path(node)
        self.tree.set_cursor_on_cell(path,
                                     focus_column=self.columns[0],
                                     focus_cell=None,
                                     start_editing=True)

    def del_button_clicked(self, obj):
        (model, node) = self.selection.get_selected()
        if node:
            self.model.remove(node)
            self.update()

    def edit_inline(self, cell, path, new_text, data):
        node = self.model.get_iter(path)
        self.model.set_value(node,data, new_text)
        self.update()
            
    def edit_button_clicked(self, obj):
        (model, node) = self.selection.get_selected()
        if node:
            path = self.model.get_path(node)
            self.tree.set_cursor_on_cell(path,
                                         focus_column=self.columns[0],
                                         focus_cell=None,
                                         start_editing=True)
