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2007-10-08 Don Allingham <don@gramps-project.org>

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* various: gen.lib integration. probably touches almost every file

	* various: gen.utils integration


svn: r9101
This commit is contained in:
Don Allingham
2007-10-08 16:41:39 +00:00
parent 8038bc0dca
commit d58641415d
245 changed files with 2315 additions and 2355 deletions
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src/gen/lib/event.py Normal file
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#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2000-2007 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
#
# $Id$
"""
Event object for GRAMPS
"""
__revision__ = "$Revision$"
#-------------------------------------------------------------------------
#
# GRAMPS modules
#
#-------------------------------------------------------------------------
from primaryobj import PrimaryObject
from srcbase import SourceBase
from notebase import NoteBase
from mediabase import MediaBase
from attributeBase import AttributeBase
from datebase import DateBase
from placebase import PlaceBase
from eventtype import EventType
from markertype import MarkerType
from types import InstanceType
#-------------------------------------------------------------------------
#
# Event class
#
#-------------------------------------------------------------------------
class Event(SourceBase, NoteBase, MediaBase, AttributeBase,
DateBase, PlaceBase, PrimaryObject):
"""
Introduction
============
The Event record is used to store information about some type of
action that occurred at a particular place at a particular time,
such as a birth, death, or marriage.
"""
def __init__(self, source=None):
"""
Creates a new Event instance, copying from the source if present
@param source: An event used to initialize the new event
@type source: Event
"""
PrimaryObject.__init__(self, source)
SourceBase.__init__(self, source)
NoteBase.__init__(self, source)
MediaBase.__init__(self, source)
AttributeBase.__init__(self)
DateBase.__init__(self, source)
PlaceBase.__init__(self, source)
if source:
self.description = source.description
self.type = source.type
else:
self.description = ""
self.type = EventType()
def serialize(self, no_text_date = False):
"""
Converts the data held in the event to a Python tuple that
represents all the data elements. This method is used to convert
the object into a form that can easily be saved to a database.
These elements may be primative Python types (string, integers),
complex Python types (lists or tuples, or Python objects. If the
target database cannot handle complex types (such as objectes or
lists), the database is responsible for converting the data into
a form that it can use.
@returns: Returns a python tuple containing the data that should
be considered persistent.
@rtype: tuple
"""
return (self.handle, self.gramps_id, self.type.serialize(),
DateBase.serialize(self, no_text_date),
self.description, self.place,
SourceBase.serialize(self),
NoteBase.serialize(self),
MediaBase.serialize(self),
AttributeBase.serialize(self),
self.change, self.marker.serialize(), self.private)
def unserialize(self, data):
"""
Converts the data held in a tuple created by the serialize method
back into the data in an Event structure.
@param data: tuple containing the persistent data associated the
Person object
@type data: tuple
"""
(self.handle, self.gramps_id, the_type, date,
self.description, self.place,
source_list, note_list, media_list, attribute_list,
self.change, marker, self.private) = data
self.marker = InstanceType(MarkerType)
self.marker.unserialize(marker)
self.type = InstanceType(EventType)
self.type.unserialize(the_type)
DateBase.unserialize(self, date)
MediaBase.unserialize(self, media_list)
AttributeBase.unserialize(self, attribute_list)
SourceBase.unserialize(self, source_list)
NoteBase.unserialize(self, note_list)
def _has_handle_reference(self, classname, handle):
"""
Returns True if the object has reference to a given handle
of given primary object type.
@param classname: The name of the primary object class.
@type classname: str
@param handle: The handle to be checked.
@type handle: str
@return: Returns whether the object has reference to this handle of this object type.
@rtype: bool
"""
if classname == 'Place':
return self.place == handle
return False
def _remove_handle_references(self, classname, handle_list):
"""
Removes all references in this object to object handles in the list.
@param classname: The name of the primary object class.
@type classname: str
@param handle_list: The list of handles to be removed.
@type handle_list: str
"""
if classname == 'Place' and self.place in handle_list:
self.place = ""
def _replace_handle_reference(self, classname, old_handle, new_handle):
"""
Replaces all references to old handle with those to the new handle.
@param classname: The name of the primary object class.
@type classname: str
@param old_handle: The handle to be replaced.
@type old_handle: str
@param new_handle: The handle to replace the old one with.
@type new_handle: str
"""
if classname == 'Place' and self.place == old_handle:
self.place = new_handle
def get_text_data_list(self):
"""
Returns the list of all textual attributes of the object.
@return: Returns the list of all textual attributes of the object.
@rtype: list
"""
return [self.description, str(self.type), self.gramps_id]
def get_text_data_child_list(self):
"""
Returns the list of child objects that may carry textual data.
@return: Returns the list of child objects that may carry textual data.
@rtype: list
"""
return self.media_list + self.source_list + self.attribute_list
def get_sourcref_child_list(self):
"""
Returns the list of child secondary objects that may refer sources.
@return: Returns the list of child secondary child objects that may refer sources.
@rtype: list
"""
return self.media_list + self.attribute_list
def get_referenced_handles(self):
"""
Returns the list of (classname,handle) tuples for all directly
referenced primary objects.
@return: List of (classname,handle) tuples for referenced objects.
@rtype: list
"""
ret = self.get_referenced_note_handles()
if self.place:
ret.append(('Place', self.place))
return ret
def get_handle_referents(self):
"""
Returns the list of child objects which may, directly or through
their children, reference primary objects..
@return: Returns the list of objects refereincing primary objects.
@rtype: list
"""
return self.media_list + self.source_list
def is_empty(self):
"""
Returns True if the Event is an empty object (no values set).
@returns: True if the Event is empty
@rtype: bool
"""
date = self.get_date_object()
place = self.get_place_handle()
description = self.description
the_type = self.type
return (the_type == EventType.CUSTOM and date.is_empty()
and not place and not description)
def are_equal(self, other):
"""
Returns True if the passed Event is equivalent to the current Event.
@param other: Event to compare against
@type other: Event
@returns: True if the Events are equal
@rtype: bool
"""
if other == None:
other = Event (None)
if self.type != other.type or \
((self.place or other.place) and (self.place != other.place)) or \
self.description != other.description \
or self.private != other.private or \
(not self.get_date_object().is_equal(other.get_date_object())) or \
len(self.get_source_references()) != len(other.get_source_references()):
return False
index = 0
olist = other.get_source_references()
for a in self.get_source_references():
if not a.is_equal(olist[index]):
return False
index += 1
return True
def set_type(self, the_type):
"""
Sets the type of the Event to the passed (int,str) tuple.
@param the_type: Type to assign to the Event
@type the_type: tuple
"""
self.type.set(the_type)
def get_type(self):
"""
Returns the type of the Event.
@return: Type of the Event
@rtype: tuple
"""
return self.type
def set_description(self, description):
"""
Sets the description of the Event to the passed string. The string
may contain any information.
@param description: Description to assign to the Event
@type description: str
"""
self.description = description
def get_description(self) :
"""
Returns the description of the Event.
@return: Returns the description of the Event
@rtype: str
"""
return self.description