# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2011 Nick Hall
#
# 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, see <https://www.gnu.org/licenses/>.
#

# -------------------------------------------------------------------------
#
# Gtk modules
#
# -------------------------------------------------------------------------
from gi.repository import Gtk

# -------------------------------------------------------------------------
#
# Gramps modules
#
# -------------------------------------------------------------------------
from gramps.gui.listmodel import ListModel
from gramps.gui.plug.quick import run_quick_report_by_name
from gramps.gen.plug import Gramplet
from gramps.gen.const import GRAMPS_LOCALE as glocale

_ = glocale.translation.gettext


class Attributes(Gramplet):
    """
    Displays the attributes of an object.
    """

    def init(self):
        self.gui.WIDGET = self.build_gui()
        self.gui.get_container_widget().remove(self.gui.textview)
        self.gui.get_container_widget().add(self.gui.WIDGET)
        self.gui.WIDGET.show()

    def build_gui(self):
        """
        Build the GUI interface.
        """
        tip = _(
            "Double-click on a row to view a quick report showing "
            "all people with the selected attribute."
        )
        self.set_tooltip(tip)
        top = Gtk.TreeView()
        titles = [(_("Key"), 1, 100), (_("Value"), 2, 100)]
        self.model = ListModel(top, titles, event_func=self.display_report)
        return top

    def display_attributes(self, obj):
        """
        Display the attributes of an object.
        """
        for attr in obj.get_attribute_list():
            self.model.add((str(attr.get_type()), attr.get_value()))
        self.set_has_data(self.model.count > 0)

    def display_report(self, treeview):
        """
        Display the quick report for matching attribute key.
        """
        model, iter_ = treeview.get_selection().get_selected()
        if iter_:
            key = model.get_value(iter_, 0)
            run_quick_report_by_name(self.dbstate, self.uistate, "attribute_match", key)

    def get_has_data(self, obj):
        """
        Return True if the gramplet has data, else return False.
        """
        if obj is None:
            return False
        if obj.get_attribute_list():
            return True
        return False


class PersonAttributes(Attributes):
    """
    Displays the attributes of a person.
    """

    def db_changed(self):
        self.connect(self.dbstate.db, "person-update", self.update)

    def active_changed(self, handle):
        self.update()

    def update_has_data(self):
        active_handle = self.get_active("Person")
        if active_handle:
            active = self.dbstate.db.get_person_from_handle(active_handle)
            self.set_has_data(self.get_has_data(active))
        else:
            self.set_has_data(False)

    def main(self):
        self.model.clear()
        active_handle = self.get_active("Person")
        if active_handle:
            active = self.dbstate.db.get_person_from_handle(active_handle)
            if active:
                self.display_attributes(active)
            else:
                self.set_has_data(False)
        else:
            self.set_has_data(False)


class EventAttributes(Attributes):
    """
    Displays the attributes of an event.
    """

    def db_changed(self):
        self.connect(self.dbstate.db, "event-update", self.update)
        self.connect_signal("Event", self.update)

    def update_has_data(self):
        active_handle = self.get_active("Event")
        if active_handle:
            active = self.dbstate.db.get_event_from_handle(active_handle)
            self.set_has_data(self.get_has_data(active))
        else:
            self.set_has_data(False)

    def main(self):
        self.model.clear()
        active_handle = self.get_active("Event")
        if active_handle:
            active = self.dbstate.db.get_event_from_handle(active_handle)
            if active:
                self.display_attributes(active)
            else:
                self.set_has_data(False)
        else:
            self.set_has_data(False)


class FamilyAttributes(Attributes):
    """
    Displays the attributes of an event.
    """

    def db_changed(self):
        self.connect(self.dbstate.db, "family-update", self.update)
        self.connect_signal("Family", self.update)

    def update_has_data(self):
        active_handle = self.get_active("Family")
        if active_handle:
            active = self.dbstate.db.get_family_from_handle(active_handle)
            self.set_has_data(self.get_has_data(active))
        else:
            self.set_has_data(False)

    def main(self):
        self.model.clear()
        active_handle = self.get_active("Family")
        if active_handle:
            active = self.dbstate.db.get_family_from_handle(active_handle)
            if active:
                self.display_attributes(active)
            else:
                self.set_has_data(False)
        else:
            self.set_has_data(False)


class MediaAttributes(Attributes):
    """
    Displays the attributes of a media object.
    """

    def db_changed(self):
        self.connect(self.dbstate.db, "media-update", self.update)
        self.connect_signal("Media", self.update)

    def update_has_data(self):
        active_handle = self.get_active("Media")
        if active_handle:
            active = self.dbstate.db.get_media_from_handle(active_handle)
            self.set_has_data(self.get_has_data(active))
        else:
            self.set_has_data(False)

    def main(self):
        self.model.clear()
        active_handle = self.get_active("Media")
        if active_handle:
            active = self.dbstate.db.get_media_from_handle(active_handle)
            if active:
                self.display_attributes(active)
            else:
                self.set_has_data(False)
        else:
            self.set_has_data(False)


class SourceAttributes(Attributes):
    """
    Displays the attributes of a source object.
    """

    def db_changed(self):
        self.connect(self.dbstate.db, "source-update", self.update)
        self.connect_signal("Source", self.update)

    def update_has_data(self):
        active_handle = self.get_active("Source")
        if active_handle:
            active = self.dbstate.db.get_source_from_handle(active_handle)
            self.set_has_data(self.get_has_data(active))
        else:
            self.set_has_data(False)

    def main(self):
        self.model.clear()
        active_handle = self.get_active("Source")
        if active_handle:
            active = self.dbstate.db.get_source_from_handle(active_handle)
            if active:
                self.display_attributes(active)
            else:
                self.set_has_data(False)
        else:
            self.set_has_data(False)


class CitationAttributes(Attributes):
    """
    Displays the attributes of a citation object.
    """

    def db_changed(self):
        self.connect(self.dbstate.db, "citation-update", self.update)
        self.connect_signal("Citation", self.update)

    def update_has_data(self):
        active_handle = self.get_active("Citation")
        if active_handle:
            active = self.dbstate.db.get_citation_from_handle(active_handle)
            self.set_has_data(self.get_has_data(active))
        else:
            self.set_has_data(False)

    def main(self):
        self.model.clear()
        active_handle = self.get_active("Citation")
        if active_handle:
            active = self.dbstate.db.get_citation_from_handle(active_handle)
            if active:
                self.display_attributes(active)
            else:
                self.set_has_data(False)
        else:
            self.set_has_data(False)
