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25c9f77a18
gramps/src/Utils.py
Alex Roitman 25c9f77a18 * src/EditPlace.py: WATCH cursor and temp label for References tab. 
* src/EditSource.py: Improve manipulating notebook tab labels.
* src/Utils.py (temp_label): Add function;
(bold_label,unbold_label): Properly set cursor to default.
* src/gramps.glade (event editor, source editor, place editor):
Add icons to notebook tabs.


svn: r4683
2005-05-26 05:04:36 +00:00

786 lines
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Python
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#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2000-2005 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
#
# $Id$
#-------------------------------------------------------------------------
#
# Standard python modules
#
#-------------------------------------------------------------------------
import os
import locale
#-------------------------------------------------------------------------
#
# GNOME/GTK
#
#-------------------------------------------------------------------------
import gtk
import gtk.gdk
import gnome
try:
from gnomevfs import get_mime_type, mime_get_description
except:
from gnome.vfs import get_mime_type, mime_get_description
#-------------------------------------------------------------------------
#
# Gramps modules
#
#-------------------------------------------------------------------------
import const
import GrampsMime
import NameDisplay
import Date
#-------------------------------------------------------------------------
#
# internationalization
#
#-------------------------------------------------------------------------
from gettext import gettext as _
#-------------------------------------------------------------------------
#
# modified flag
#
#-------------------------------------------------------------------------
_history_brokenFlag = 0
def history_broken():
global _history_brokenFlag
_history_brokenFlag = 1
data_recover_msg = _('The data can only be recovered by Undo operation '
'or by quitting with abandoning changes.')
#-------------------------------------------------------------------------
#
# force_unicode
#
#-------------------------------------------------------------------------
def force_unicode(n):
if type(n) != unicode:
return (unicode(n).lower(),unicode(n))
else:
return (n.lower(),n)
#-------------------------------------------------------------------------
#
# Clears the modified flag. Should be called after data is saved.
#
#-------------------------------------------------------------------------
def clearHistory_broken():
global _history_brokenFlag
_history_brokenFlag = 0
def wasHistory_broken():
return _history_brokenFlag
#-------------------------------------------------------------------------
#
# Short hand function to return either the person's name, or an empty
# string if the person is None
#
#-------------------------------------------------------------------------
def family_name(family,db):
"""Builds a name for the family from the parents names"""
father_handle = family.get_father_handle()
mother_handle = family.get_mother_handle()
father = db.get_person_from_handle(father_handle)
mother = db.get_person_from_handle(mother_handle)
if father and mother:
fname = NameDisplay.displayer.display(father)
mname = NameDisplay.displayer.display(mother)
name = _("%(father)s and %(mother)s") % {
"father" : fname,
"mother" : mname}
elif father:
name = NameDisplay.displayer.display(father)
elif mother:
name = NameDisplay.displayer.display(mother)
else:
name = _("unknown")
return name
def family_upper_name(family,db):
"""Builds a name for the family from the parents names"""
father_handle = family.get_father_handle()
mother_handle = family.get_mother_handle()
father = db.get_person_from_handle(father_handle)
mother = db.get_person_from_handle(mother_handle)
if father and mother:
fname = father.get_primary_name().get_upper_name()
mname = mother.get_primary_name().get_upper_name()
name = _("%s and %s") % (fname,mname)
elif father:
name = father.get_primary_name().get_upper_name()
else:
name = mother.get_primary_name().get_upper_name()
return name
#-------------------------------------------------------------------------
#
#
#
#-------------------------------------------------------------------------
def destroy_passed_object(obj):
obj.destroy()
while gtk.events_pending():
gtk.main_iteration()
#-------------------------------------------------------------------------
#
#
#
#-------------------------------------------------------------------------
def get_detail_text(obj,priv=1):
if obj.get_note() != "":
details = "%s" % _("Note")
else:
details = ""
if len(obj.get_source_references()) > 0:
if details == "":
details = _("Source")
else:
details = "%s, %s" % (details,_("Source"))
if priv and obj.get_privacy() == 1:
if details == "":
details = _("Private")
else:
details = "%s, %s" % (details,_("Private"))
return details
#-------------------------------------------------------------------------
#
#
#
#-------------------------------------------------------------------------
def redraw_list(dlist,clist,func):
clist.clear()
index = 0
for obj in dlist:
col = 0
node = clist.append()
for data in func(obj):
clist.set_value(node,col,data)
col = col + 1
index = index + 1
return index
#-------------------------------------------------------------------------
#
#
#
#-------------------------------------------------------------------------
def delete_selected(obj,list):
sel = obj.get_selection()
model,node = sel.get_selected()
if node:
index = model.get_path(node)[0]
del list[index]
return 1
#-------------------------------------------------------------------------
#
#
#
#-------------------------------------------------------------------------
def add_menuitem(menu,msg,obj,func):
item = gtk.MenuItem(msg)
item.set_data('o',obj)
item.connect("activate",func)
item.show()
menu.append(item)
#-------------------------------------------------------------------------
#
#
#
#-------------------------------------------------------------------------
def view_photo(photo):
mime_type = photo.get_mime_type()
try:
data = GrampsMime.get_application(mime_type)
prog = data[0]
except:
return
args = prog.split()
args.append(photo.get_path())
if os.fork() == 0:
os.execvp(args[0],args)
_icon_theme = gtk.icon_theme_get_default()
def find_mime_type_pixbuf(mime_type):
icontmp = mime_type.replace('/','-')
try:
newicon = "gnome-mime-%s" % icontmp
try:
return _icon_theme.load_icon(newicon,48,0)
except:
icontmp = mime_type.split('/')[0]
try:
newicon = "gnome-mime-%s" % icontmp
return _icon_theme.load_icon(newicon,48,0)
except:
return gtk.gdk.pixbuf_new_from_file(const.icon)
except:
return gtk.gdk.pixbuf_new_from_file(const.icon)
def get_mime_description(mime_type):
try:
value = mime_get_description(mime_type)
if value:
return value
else:
return ''
except:
return ''
#-------------------------------------------------------------------------
#
#
#
#-------------------------------------------------------------------------
def build_string_optmenu(mapping, start_val):
index = 0
start_index = 0
keys = mapping.keys()
keys.sort()
myMenu = gtk.Menu()
for key in keys:
if key == "default":
menuitem = gtk.MenuItem(_("default"))
else:
menuitem = gtk.MenuItem(key)
menuitem.set_data("d", mapping[key])
menuitem.set_data("l", key)
menuitem.show()
myMenu.append(menuitem)
if key == start_val:
start_index = index
index = index + 1
if start_index:
myMenu.set_active(start_index)
return myMenu
#-------------------------------------------------------------------------
#
#
#
#-------------------------------------------------------------------------
def build_columns(tree,list):
cnum = 0
for name in list:
renderer = gtk.CellRendererText()
renderer.set_fixed_height_from_font(1)
column = gtk.TreeViewColumn(name[0],renderer,text=cnum)
column.set_min_width(name[1])
if name[2] >= 0:
column.set_sort_column_id(name[2])
if name[0] == '':
column.set_clickable(True)
column.set_visible(False)
cnum = cnum + 1
tree.append_column(column)
#-------------------------------------------------------------------------
#
# Iterate over ancestors.
#
#-------------------------------------------------------------------------
def for_each_ancestor(db, start, func, data):
"""
Recursively iterate (breadth-first) over ancestors of
people listed in start.
Call func(data,pid) for the Id of each person encountered.
Exit and return 1, as soon as func returns true.
Return 0 otherwise.
"""
todo = start
doneIds = {}
while len(todo):
p_handle = todo.pop()
p = db.get_person_from_handle(p_handle)
# Don't process the same handle twice. This can happen
# if there is a cycle in the database, or if the
# initial list contains X and some of X's ancestors.
if doneIds.has_key(p_handle):
continue
doneIds[p_handle] = 1
if func(data,p_handle):
return 1
for fam_handle, mrel, frel in p.get_parent_family_handle_list():
fam = db.get_family_from_handle(fam_handle)
if fam:
f_handle = fam.get_father_handle()
m_handle = fam.get_mother_handle()
if f_handle: todo.append(f_handle)
if m_handle: todo.append(m_handle)
return 0
def title(n):
return '<span weight="bold" size="larger">%s</span>' % n
def set_title_label(xmlobj,t):
title_label = xmlobj.get_widget('title')
title_label.set_text('<span weight="bold" size="larger">%s</span>' % t)
title_label.set_use_markup(True)
def set_titles(window,title,t,msg=None):
title.set_text('<span weight="bold" size="larger">%s</span>' % t)
title.set_use_markup(True)
if msg:
window.set_title('%s - GRAMPS' % msg)
else:
window.set_title('%s - GRAMPS' % t)
def gfloat(val):
"""Converts to floating number, taking care of possible locale differences.
Useful for reading float values from text entry fields
while under non-English locale.
"""
try:
return float(val)
except:
try:
return float(val.replace('.',','))
except:
return float(val.replace(',','.'))
return 0.0
def gformat(val):
"""Performs ("%.3f" % val) formatting with the resulting string always
using dot ('.') as a decimal point.
Useful for writing float values into XML when under non-English locale.
"""
decimal_point = locale.localeconv()['decimal_point']
return_val = "%.3f" % val
return return_val.replace(decimal_point,'.')
def search_for(name):
for i in os.environ['PATH'].split(':'):
fname = os.path.join(i,name)
if os.access(fname,os.X_OK) and not os.path.isdir(fname):
return 1
return 0
#-------------------------------------------------------------------------
#
# Change label apperance
#
#-------------------------------------------------------------------------
def bold_label(label,widget=None):
clist = label.get_children()
text = unicode(clist[1].get_text())
text = text.replace('<i>','')
text = text.replace('</i>','')
clist[0].show()
clist[1].set_text("<b>%s</b>" % text )
clist[1].set_use_markup(True)
if widget:
widget.window.set_cursor(None)
def unbold_label(label,widget=None):
clist = label.get_children()
text = unicode(clist[1].get_text())
text = text.replace('<b>','')
text = text.replace('</b>','')
text = text.replace('<i>','')
text = text.replace('</i>','')
clist[0].hide()
clist[1].set_text(text)
clist[1].set_use_markup(False)
if widget:
widget.window.set_cursor(None)
def temp_label(label,widget=None):
clist = label.get_children()
text = unicode(clist[1].get_text())
text = text.replace('<b>','')
text = text.replace('</b>','')
clist[0].hide()
clist[1].set_text("<i>%s</i>" % text )
clist[1].set_use_markup(True)
if widget:
widget.window.set_cursor(gtk.gdk.Cursor(gtk.gdk.WATCH))
#-------------------------------------------------------------------------
#
# create_id
#
#-------------------------------------------------------------------------
import random
import time
from sys import maxint
rand = random.Random(time.time())
def create_id():
return "%08x%08x" % ( int(time.time()*10000),
rand.randint(0,maxint))
def probably_alive(person,db,current_year=None):
"""Returns true if the person may be alive.
This works by a process of emlimination. If we can't find a good
reason to believe that someone is dead then we assume they must
be alive.
"""
if not current_year:
time_struct = time.localtime(time.time())
current_year = time_struct[0]
death_year = None
# If the recorded death year is before current year then
# things are simple.
if person.death_handle:
death = db.get_event_from_handle(person.death_handle)
if death.get_date_object().get_start_date() != Date.EMPTY:
death_year = death.get_date_object().get_year()
if death.get_date_object().get_year() < current_year:
return False
# Look for Cause Of Death, Burial or Cremation events.
# These are fairly good indications that someone's not alive.
for ev_handle in person.event_list:
ev = db.get_event_from_handle(ev_handle)
if ev and ev.name in ["Cause Of Death", "Burial", "Cremation"]:
if not death_year:
death_year = ev.get_date_object().get_year()
if ev.get_date_object().get_start_date() != Date.EMPTY:
if ev.get_date_object().get_year() < current_year:
return False
birth_year = None
# If they were born within 100 years before current year then
# assume they are alive (we already know they are not dead).
if person.birth_handle:
birth = db.get_event_from_handle(person.birth_handle)
if birth.get_date_object().get_start_date() != Date.EMPTY:
if not birth_year:
birth_year = birth.get_date_object().get_year()
if birth.get_date_object().get_year() > current_year:
# person is not yet born
return False
r = not_too_old(birth.get_date_object(),current_year)
if r:
#print person.get_primary_name().get_name(), " is alive because they were born late enough."
return True
if not birth_year and death_year:
if death_year > current_year + 110:
# person died more tha 110 after current year
return False
# Neither birth nor death events are available. Try looking
# for descendants that were born more than a lifespan ago.
min_generation = 13
max_generation = 60
max_age_difference = 60
def descendants_too_old (person, years):
for family_handle in person.get_family_handle_list():
family = db.get_family_from_handle(family_handle)
family_list = family.get_child_handle_list()
for child_handle in family.get_child_handle_list():
child = db.get_person_from_handle(child_handle)
if child.birth_handle:
child_birth = db.get_event_from_handle(child.birth_handle)
dobj = child_birth.get_date_object()
if dobj.get_start_date() != Date.EMPTY:
d = Date.Date(dobj)
val = d.get_start_date()
val = d.get_year() - years
d.set_year(val)
if not not_too_old (d,current_year):
return True
if child.death_handle:
child_death = db.get_event_from_handle(child.death_handle)
dobj = child_death.get_date_object()
if dobj.get_start_date() != Date.EMPTY:
if not not_too_old (dobj,current_year):
return True
if descendants_too_old (child, years + min_generation):
return True
return False
# If there are descendants that are too old for the person to have
# been alive in the current year then they must be dead.
if descendants_too_old (person, min_generation):
#print person.get_primary_name().get_name(), " is dead because descendants are too old."
return False
average_generation_gap = 20
def ancestors_too_old (person, year):
family_handle = person.get_main_parents_family_handle()
if family_handle:
family = db.get_family_from_handle(family_handle)
father_handle = family.get_father_handle()
if father_handle:
father = db.get_person_from_handle(father_handle)
if father.birth_handle:
father_birth = db.get_event_from_handle(father.birth_handle)
dobj = father_birth.get_date_object()
if dobj.get_start_date() != Date.EMPTY:
if not not_too_old (dobj,year - average_generation_gap):
#print father.get_primary_name().get_name(), " father of ", person.get_primary_name().get_name(), " is too old by birth. birth year ", dobj.get_year(), " test year ", year - average_generation_gap
return True
#else:
#print father.get_primary_name().get_name(), " father of ", person.get_primary_name().get_name(), " is NOT too old by birth. birth year ", dobj.get_year(), " test year ", year - average_generation_gap
if father.death_handle:
father_death = db.get_event_from_handle(father.death_handle)
dobj = father_death.get_date_object()
if dobj.get_start_date() != Date.EMPTY:
if dobj.get_year() < year - average_generation_gap:
#print father.get_primary_name().get_name(), " father of ", person.get_primary_name().get_name(), " is too old by death."
return True
if ancestors_too_old (father, year - average_generation_gap):
return True
mother_handle = family.get_mother_handle()
if mother_handle:
mother = db.get_person_from_handle(mother_handle)
if mother.birth_handle:
mother_birth = db.get_event_from_handle(mother.birth_handle)
dobj = mother_birth.get_date_object()
if dobj.get_start_date() != Date.EMPTY:
if not not_too_old (dobj,year - average_generation_gap):
#print mother.get_primary_name().get_name(), " mother of ", person.get_primary_name().get_name(), " is too old by birth. birth year ", dobj.get_year(), " test year ", year - average_generation_gap
return True
#else:
#print mother.get_primary_name().get_name(), " mother of ", person.get_primary_name().get_name(), " is NOT too old by birth. birth year ", dobj.get_year(), " test year ", year - average_generation_gap
if mother.death_handle:
mother_death = db.get_event_from_handle(mother.death_handle)
dobj = mother_death.get_date_object()
if dobj.get_start_date() != Date.EMPTY:
if dobj.get_year() < year - average_generation_gap:
#print mother.get_primary_name().get_name(), " mother of ", person.get_primary_name().get_name(), " is too old by death."
return True
if ancestors_too_old (mother, year - average_generation_gap):
return True
return False
# If there are ancestors that would be too old in the current year
# then assume our person must be dead too.
if ancestors_too_old (person, current_year):
#print person.get_primary_name().get_name(), " is dead because ancestors are too old."
return False
# If we can't find any reason to believe that they are dead we
# must assume they are alive.
#print person.get_primary_name().get_name(), " is probably alive."
return True
def not_too_old(date,current_year=None):
if not current_year:
time_struct = time.localtime(time.time())
current_year = time_struct[0]
year = date.get_year()
if year > current_year:
return False
return not( year != 0 and current_year - year > 110)
#-------------------------------------------------------------------------
#
#
#
#-------------------------------------------------------------------------
def get_source_referents(source_handle,db):
"""
Find objects that refer the source.
This function finds all primary objects that refer (directly or through
secondary child-objects) to a given source handle in a given database.
"""
# Persons
person_list = [ handle \
for handle in db.get_person_handles(sort_handles=False) \
if db.get_person_from_handle(handle).has_source_reference(source_handle)
]
# Families
family_list = [ handle for handle in db.get_family_handles() \
if db.get_family_from_handle(handle).has_source_reference(source_handle)
]
# Events
event_list = [ handle for handle in db.get_event_handles() \
if db.get_event_from_handle(handle).has_source_reference(source_handle)
]
# Places
place_list = [ handle for handle in db.get_place_handles() \
if db.get_place_from_handle(handle).has_source_reference(source_handle)
]
# Sources
source_list = [ handle for handle in db.get_source_handles() \
if db.get_source_from_handle(handle).has_source_reference(source_handle)
]
# Media Objects
media_list = [ handle for handle in db.get_media_object_handles() \
if db.get_object_from_handle(handle).has_source_reference(source_handle)
]
return (person_list,family_list,event_list,
place_list,source_list,media_list)
def get_media_referents(media_handle,db):
"""
Find objects that refer the media object.
This function finds all primary objects that refer
to a given media handle in a given database.
"""
# Persons
person_list = [ handle \
for handle in db.get_person_handles(sort_handles=False) \
if media_handle in \
[photo.get_reference_handle() for photo \
in db.get_person_from_handle(handle).get_media_list()]
]
# Families
family_list = [ handle for handle in db.get_family_handles() \
if media_handle in \
[photo.get_reference_handle() for photo \
in db.get_family_from_handle(handle).get_media_list()]
]
# Events
event_list = [ handle for handle in db.get_event_handles() \
if media_handle in \
[photo.get_reference_handle() for photo \
in db.get_event_from_handle(handle).get_media_list()]
]
# Places
place_list = [ handle for handle in db.get_place_handles() \
if media_handle in \
[photo.get_reference_handle() for photo \
in db.get_place_from_handle(handle).get_media_list()]
]
# Sources
source_list = [ handle for handle in db.get_source_handles() \
if media_handle in \
[photo.get_reference_handle() for photo \
in db.get_source_from_handle(handle).get_media_list()]
]
return (person_list,family_list,event_list,place_list,source_list)
#-------------------------------------------------------------------------
#
#
#
#-------------------------------------------------------------------------
_NEW_NAME_PATTERN = '%sUntitled_%d.%s'
def get_new_filename(ext,folder='~/'):
ix = 1
while os.path.isfile(os.path.expanduser(_NEW_NAME_PATTERN % (folder,ix,ext) )):
ix = ix + 1
return os.path.expanduser(_NEW_NAME_PATTERN % (folder,ix,ext))
def get_type_converter(val):
"""
Returns function that converts strings into the type of val.
"""
val_type = type(val)
if val_type in (str,unicode):
return unicode
elif val_type == int:
return int
elif val_type == float:
return float
elif val_type in (list,tuple):
return list
def type_name(val):
"""
Returns the name the type of val.
Only numbers and strings are supported.
The rest becomes strings (unicode).
"""
val_type = type(val)
if val_type == int:
return 'int'
elif val_type == float:
return 'float'
elif val_type in (str,unicode):
return 'unicode'
return 'unicode'
def get_type_converter_by_name(val_str):
"""
Returns function that converts strings into the type given by val_str.
Only numbers and strings are supported.
The rest becomes strings (unicode).
"""
if val_str == 'int':
return int
elif val_str == 'float':
return float
elif val_str in ('str','unicode'):
return unicode
return unicode
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