#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2000  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
#

"""
ChooseParents interface allows users to select the paretns of an
individual.
"""

__author__ = "Donald N. Allingham"
__version__ = "$Revision$"

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

#-------------------------------------------------------------------------
#
# GTK/Gnome modules
#
#-------------------------------------------------------------------------
import gobject
import gtk.glade

#-------------------------------------------------------------------------
#
# gramps modules
#
#-------------------------------------------------------------------------
import RelLib
import const
import Utils
import GrampsCfg
import ListModel


_titles = [(_('Name'),3,200),(_('ID'),1,50),(_('Birth Date'),4,50),('',0,50),('',0,0)]


#-------------------------------------------------------------------------
#
# ChooseParents
#
#-------------------------------------------------------------------------
class ChooseParents:
    """
    Displays the Choose Parents dialog box, allowing the parents
    to be edited.
    """
    def __init__(self,db,person,family,family_update,full_update):
        """
        Creates a ChoosePerson dialog box.

        db - database associated the person
        person - person whose parents we are selecting
        family - current family
        family_update - task that updates the family display
        full_update - task that updates the main display 
        """
        self.db = db
        self.person = person
        self.family = family
        self.family_update = family_update
        self.full_update = full_update
        self.old_type = ""
        self.type = ""
        
        if self.family:
            self.father = self.family.getFather()
            self.mother = self.family.getMother()
        else:
            self.mother = None
            self.father = None

        self.glade = gtk.glade.XML(const.gladeFile,"familyDialog")
        self.top = self.glade.get_widget("familyDialog")
	self.mother_rel = self.glade.get_widget("mrel")
	self.father_rel = self.glade.get_widget("frel")
        self.fcombo = self.glade.get_widget("prel_combo")
        self.prel = self.glade.get_widget("prel")
        self.title = self.glade.get_widget("chooseTitle")
        self.father_list = self.glade.get_widget("father_list")
        self.mother_list = self.glade.get_widget("mother_list")
        self.flabel = self.glade.get_widget("flabel")
        self.mlabel = self.glade.get_widget("mlabel")
        self.fcombo.set_popdown_strings(const.familyRelations)


        self.fmodel = ListModel.ListModel(self.father_list, _titles,
                                          self.father_list_select_row)
        self.mmodel = ListModel.ListModel(self.mother_list, _titles,
                                          self.mother_list_select_row)
        

        for (f,mr,fr) in self.person.getParentList():
            if f == self.family:
                self.mother_rel.set_text(_(mr))
                self.father_rel.set_text(_(fr))
                break
        else:
            self.mother_rel.set_text(_("Birth"))
            self.father_rel.set_text(_("Birth"))

        if self.family:
            self.type = self.family.getRelationship()
        else:
            self.type = "Married"

        self.prel.set_text(_(self.type))
        self.redraw()
        
        self.glade.signal_autoconnect({
            "on_save_parents_clicked"  : self.save_parents_clicked,
            "on_add_parent_clicked"    : self.add_parent_clicked,
            "on_prel_changed"          : self.parent_relation_changed,
            "destroy_passed_object"    : Utils.destroy_passed_object
            })

        text = _("Choose the Parents of %s") % GrampsCfg.nameof(self.person)
        self.title.set_text(text)

    def redraw(self):
        """Redraws the potential father and mother lists"""

        self.fmodel.clear()
        self.mmodel.clear()

        pkey = self.person.getId()
        gender = self.person.getGender()
        if self.father:
            fid = self.father.getId()
        else:
            fid = None
        if self.mother:
            mid = self.mother.getId()
        else:
            mid = None
            
        for key in self.db.getPersonKeys():
            if pkey == key:
                continue
            if gender == const.unknown:
                continue

            d = self.db.getPersonDisplay(key)
            info = [d[0],d[1],d[3],d[5],d[6]]
            if self.type == "Partners":
                self.fmodel.add(info,None,fid==d[1])
                self.mmodel.add(info,None,mid==d[1])
            elif d[2] == const.male:
                self.fmodel.add(info,None,fid==d[1])
            else:
                self.mmodel.add(info,None,mid==d[1])

        if self.type == "Partners":
            self.mlabel.set_label(_("Parent"))
            self.flabel.set_label(_("Parent"))
        else:
            self.mlabel.set_label(_("Mother"))
            self.flabel.set_label(_("Father"))

    def parent_relation_changed(self,obj):
        """Called everytime the parent relationship information is changegd"""
        self.old_type = self.type
        self.type = const.save_frel(obj.get_text())
        if self.old_type == "Partners" or self.type == "Partners":
            self.redraw()
        
    def find_family(self,father,mother):
        """
        Finds the family associated with the father and mother.
        If one does not exist, it is created.
        """
        if not father and not mother:
            return None
	
        families = self.db.getFamilyMap().values()
        for family in families:
            if family.getFather() == father and family.getMother() == mother:
                return family
            elif family.getFather() == mother and family.getMother() == father:
                return family

        family = self.db.newFamily()
        family.setFather(father)
        family.setMother(mother)
        family.addChild(self.person)
    
        if father:
            father.addFamily(family)
        if mother:
            mother.addFamily(family)
        return family

    def mother_list_select_row(self,obj):
        """Called when a row is selected in the mother list. Sets the
        active mother based off the id associated with the row."""
        
        model, iter = self.mmodel.get_selected()
        if iter:
            id = model.get_value(iter,1)
            self.mother = self.db.getPerson(id)
        else:
            self.mother = None

    def father_list_select_row(self,obj):
        """Called when a row is selected in the father list. Sets the
        active father based off the id associated with the row."""
        model, iter = self.fmodel.get_selected()
        if iter:
            id = model.get_value(iter,1)
            self.father = self.db.getPerson(id)
        else:
            self.father = None

    def save_parents_clicked(self,obj):
        """
        Called with the OK button nis pressed. Saves the selected people as parents
        of the main perosn.
        """
        mother_rel = const.childRelations[self.mother_rel.get_text()]
        father_rel = const.childRelations[self.father_rel.get_text()]

        if self.father or self.mother:
            if self.mother and not self.father:
                if self.mother.getGender() == RelLib.Person.male:
                    self.father = self.mother
                    self.mother = None
                self.family = self.find_family(self.father,self.mother)
            elif self.father and not self.mother: 
                if self.father.getGender() == RelLib.Person.female:
                    self.mother = self.father
                    self.father = None
                self.family = self.find_family(self.father,self.mother)
            elif self.mother.getGender() != self.father.getGender():
                if self.type == "Partners":
                    self.type = "Unknown"
                if self.father.getGender() == RelLib.Person.female:
                    x = self.father
                    self.father = self.mother
                    self.mother = x
                self.family = self.find_family(self.father,self.mother)
            else:
                self.type = "Partners"
                self.family = self.find_family(self.father,self.mother)
        else:    
            self.family = None

        Utils.destroy_passed_object(obj)
        if self.family:
            self.family.setRelationship(self.type)
            self.change_family_type(self.family,mother_rel,father_rel)
        self.family_update(None)

    def add_new_parent(self,person):
        """Adds a new person to either the father list or the mother list,
        depending on the gender of the person."""
        id = person.getId()
        self.type = const.save_frel(self.prel.get_text())
        dinfo = self.db.getPersonDisplay(id)
        rdata = [dinfo[0],dinfo[1],dinfo[3],dinfo[5],dinfo[6]]

        if self.type == "Partners":
            self.parent_relation_changed(self.prel)
        elif person.getGender() == RelLib.Person.male:
            self.fmodel.add(rdata,None,1)
        else:
            self.mmodel.add(rdata,None,1)
        self.full_update()
        
    def add_parent_clicked(self,obj):
        """Called with the Add New Person button is pressed. Calls the QuickAdd
        class to create a new person."""
        
        import QuickAdd
        QuickAdd.QuickAdd(self.db,"male",self.add_new_parent)

    def change_family_type(self,family,mother_rel,father_rel):
        """
        Changes the family type of the specified family. If the family
        is None, the the relationship type shoud be deleted.
        """
        if self.person not in family.getChildList():
            family.addChild(self.person)
        for fam in self.person.getParentList():
            if family == fam[0]:
                if mother_rel == fam[1] and father_rel == fam[2]:
                    return
                if mother_rel != fam[1] or father_rel != fam[2]:
                    self.person.removeAltFamily(family)
                    self.person.addAltFamily(family,mother_rel,father_rel)
                    break
        else:
            self.person.addAltFamily(family,mother_rel,father_rel)
        Utils.modified()


class ModifyParents:
    def __init__(self,db,person,family,family_update,full_update):
        """
        Creates a ChoosePerson dialog box.

        db - database associated the person
        person - person whose parents we are selecting
        family - current family
        family_update - task that updates the family display
        full_update - task that updates the main display 
        """
        self.db = db
        self.person = person
        self.family = family
        self.family_update = family_update
        self.full_update = full_update
        
        self.father = self.family.getFather()
        self.mother = self.family.getMother()

        self.glade = gtk.glade.XML(const.gladeFile,"modparents")
        self.top = self.glade.get_widget("modparents")
	self.mother_rel = self.glade.get_widget("mrel")
	self.father_rel = self.glade.get_widget("frel")
        self.title = self.glade.get_widget("title")
        self.flabel = self.glade.get_widget("flabel")
        self.mlabel = self.glade.get_widget("mlabel")

        self.orig_mrel = _("Birth")
        self.orig_frel = _("Birth")
        for (f,mr,fr) in self.person.getParentList():
            if f == self.family:
                self.orig_mrel = _(mr)
                self.orig_frel = _(fr)

        self.mother_rel.set_text(self.orig_mrel)
        self.father_rel.set_text(self.orig_frel)

        self.glade.signal_autoconnect({
            "on_save_parents_clicked"  : self.save_parents_clicked,
            "destroy_passed_object"    : self.quit,
            })

        text = _("<b>Modify the Parents of %s</b>") % GrampsCfg.nameof(self.person)
        self.title.set_text(text)
        self.title.set_use_markup(gtk.TRUE)

        if self.family.getRelationship() == "Partners":
            self.mlabel.set_label(_("Parent"))
            self.flabel.set_label(_("Parent"))
        else:
            self.mlabel.set_label(_("Mother"))
            self.flabel.set_label(_("Father"))


        if self.father:
            fname = self.father.getPrimaryName().getName()
            self.glade.get_widget("fname").set_text(fname)
        else:
            self.father_rel.set_sensitive(0)
            
        if self.mother:
            mname = self.mother.getPrimaryName().getName()
            self.glade.get_widget("mname").set_text(mname)
        else:
            self.mother_rel.set_sensitive(0)

    def quit(self,obj):
        self.top.destroy()
        
    def save_parents_clicked(self,obj):
        """
        Called with the OK button nis pressed. Saves the selected people as parents
        of the main perosn.
        """
        mother_rel = const.childRelations[self.mother_rel.get_text()]
        father_rel = const.childRelations[self.father_rel.get_text()]

        Utils.destroy_passed_object(self.top)
        if mother_rel != self.orig_mrel or father_rel != self.orig_frel:
            self.person.removeAltFamily(self.family)
            self.person.addAltFamily(self.family,mother_rel,father_rel)
            self.family_update(None)
            Utils.modified()