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gramps/gramps2/src/Utils.py
Don Allingham 3731aad2b3 * src/AddMedia.py: use new find_mime_type_pixbuf instead of 
find_icon
* src/ImageSelect.py: remove internal media widgets, use new
find_mime_type_pixbuf instead of find_icon
* src/ImgManip.py: catch pixbuf_new_from_file exception
* src/MediaView.py: use new find_mime_type_pixbuf instead of
find_icon
* src/SelectObject.py: use new find_mime_type_pixbuf instead of
find_icon
* various: replace the deprecated gtk.TRUE/gtk.FALSE with
True/False


svn: r4085
2005-02-24 00:25:34 +00:00

551 lines
16 KiB
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 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
#-------------------------------------------------------------------------
#
# 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 = _("%s and %s") % (fname,mname)
elif father:
name = NameDisplay.displayer.display(father)
else:
name = NameDisplay.displayer.display(mother)
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):
text = unicode(label.get_text())
label.set_text("<b>%s</b>" % text )
label.set_use_markup(1)
def unbold_label(label):
text = unicode(label.get_text())
text = text.replace('<b>','')
text = text.replace('</b>','')
label.set_text(text)
label.set_use_markup(0)
#-------------------------------------------------------------------------
#
# create_id
#
#-------------------------------------------------------------------------
import random
import time
rand = random.Random(time.time())
def create_id():
s = ""
for val in [ int(time.time()*10000) & 0x7fffffff,
rand.randint(0,0x7fffffff),
rand.randint(0,0x7fffffff)]:
while val != 0:
rem = val % 36
if rem <= 9:
s += chr(48+rem)
else:
s += chr(rem+55)
val = int(val/36)
return s
def probably_alive(person,db):
"""Returns true if the person may be alive."""
if person.death_handle:
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"]:
return False
if person.birth_handle:
birth = db.get_event_from_handle(person.birth_handle)
if birth.get_date_object().get_start_date() != Date.EMPTY:
return not_too_old(birth.get_date_object())
# 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)
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):
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):
return True
if descendants_too_old (child, years + min_generation):
return True
if descendants_too_old (person, min_generation):
return False
return False
def not_too_old(date):
time_struct = time.localtime(time.time())
current_year = time_struct[0]
year = date.get_year()
return not( year != 0 and current_year - year > 110)
#-------------------------------------------------------------------------
#
#
#
#-------------------------------------------------------------------------
_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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