45bf6c0f23
* src/RelLib/_Event.py (Event): Change inheritance order. * src/RelLib/_Family.py (Family): Change inheritance order. * src/RelLib/_MediaObject.py (MediaObject): Change inheritance order. * src/RelLib/_Place.py (Place): Change inheritance order. * src/RelLib/_Repository.py (Repository): Change inheritance order. * src/RelLib/_Person.py (Person): Change inheritance order. * src/RelLib/_Source.py (Source): Change inheritance order. (_has_handle_reference, _remove_handle_references, _replace_handle_reference): Add methods to report correct repository references. * src/DisplayTabs/_BackRefModel.py (__init__): Remove extra statement. svn: r7979
302 lines
10 KiB
Python
302 lines
10 KiB
Python
#
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# Gramps - a GTK+/GNOME based genealogy program
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#
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# Copyright (C) 2000-2006 Donald N. Allingham
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# $Id$
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"""
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Event object for GRAMPS
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"""
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__revision__ = "$Revision$"
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#-------------------------------------------------------------------------
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#
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# GRAMPS modules
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#
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#-------------------------------------------------------------------------
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from _PrimaryObject import PrimaryObject
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from _SourceBase import SourceBase
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from _NoteBase import NoteBase
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from _MediaBase import MediaBase
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from _AttributeBase import AttributeBase
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from _DateBase import DateBase
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from _PlaceBase import PlaceBase
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from _EventType import EventType
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#-------------------------------------------------------------------------
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#
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# Event class
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#
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#-------------------------------------------------------------------------
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class Event(SourceBase, NoteBase, MediaBase, AttributeBase,
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DateBase, PlaceBase, PrimaryObject):
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"""
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Introduction
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============
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The Event record is used to store information about some type of
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action that occurred at a particular place at a particular time,
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such as a birth, death, or marriage.
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"""
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def __init__(self, source=None):
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"""
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Creates a new Event instance, copying from the source if present
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@param source: An event used to initialize the new event
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@type source: Event
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"""
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PrimaryObject.__init__(self, source)
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SourceBase.__init__(self, source)
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NoteBase.__init__(self, source)
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MediaBase.__init__(self, source)
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AttributeBase.__init__(self)
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DateBase.__init__(self, source)
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PlaceBase.__init__(self, source)
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if source:
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self.description = source.description
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self.type = source.type
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else:
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self.description = ""
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self.type = EventType()
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def serialize(self, no_text_date = False):
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"""
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Converts the data held in the event to a Python tuple that
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represents all the data elements. This method is used to convert
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the object into a form that can easily be saved to a database.
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These elements may be primative Python types (string, integers),
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complex Python types (lists or tuples, or Python objects. If the
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target database cannot handle complex types (such as objectes or
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lists), the database is responsible for converting the data into
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a form that it can use.
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@returns: Returns a python tuple containing the data that should
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be considered persistent.
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@rtype: tuple
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"""
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return (self.handle, self.gramps_id, self.type.serialize(),
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DateBase.serialize(self, no_text_date),
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self.description, self.place,
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SourceBase.serialize(self),
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NoteBase.serialize(self),
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MediaBase.serialize(self),
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AttributeBase.serialize(self),
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self.change, self.marker.serialize(), self.private)
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def unserialize(self, data):
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"""
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Converts the data held in a tuple created by the serialize method
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back into the data in an Event structure.
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@param data: tuple containing the persistent data associated the
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Person object
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@type data: tuple
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"""
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(self.handle, self.gramps_id, the_type, date,
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self.description, self.place,
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source_list, note, media_list, attribute_list,
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self.change, marker, self.private) = data
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self.marker.unserialize(marker)
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self.type.unserialize(the_type)
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DateBase.unserialize(self, date)
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MediaBase.unserialize(self, media_list)
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AttributeBase.unserialize(self, attribute_list)
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SourceBase.unserialize(self, source_list)
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NoteBase.unserialize(self, note)
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def _has_handle_reference(self, classname, handle):
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"""
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Returns True if the object has reference to a given handle
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of given primary object type.
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@param classname: The name of the primary object class.
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@type classname: str
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@param handle: The handle to be checked.
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@type handle: str
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@return: Returns whether the object has reference to this handle of this object type.
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@rtype: bool
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"""
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if classname == 'Place':
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return self.place == handle
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return False
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def _remove_handle_references(self, classname, handle_list):
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"""
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Removes all references in this object to object handles in the list.
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@param classname: The name of the primary object class.
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@type classname: str
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@param handle_list: The list of handles to be removed.
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@type handle_list: str
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"""
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if classname == 'Place' and self.place in handle_list:
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self.place = ""
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def _replace_handle_reference(self, classname, old_handle, new_handle):
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"""
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Replaces all references to old handle with those to the new handle.
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@param classname: The name of the primary object class.
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@type classname: str
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@param old_handle: The handle to be replaced.
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@type old_handle: str
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@param new_handle: The handle to replace the old one with.
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@type new_handle: str
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"""
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if classname == 'Place' and self.place == old_handle:
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self.place = new_handle
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def get_text_data_list(self):
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"""
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Returns the list of all textual attributes of the object.
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@return: Returns the list of all textual attributes of the object.
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@rtype: list
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"""
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return [self.description, str(self.type), self.gramps_id]
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def get_text_data_child_list(self):
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"""
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Returns the list of child objects that may carry textual data.
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@return: Returns the list of child objects that may carry textual data.
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@rtype: list
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"""
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check_list = self.media_list + self.source_list + self.attribute_list
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if self.note:
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check_list.append(self.note)
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return check_list
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def get_sourcref_child_list(self):
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"""
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Returns the list of child secondary objects that may refer sources.
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@return: Returns the list of child secondary child objects that may refer sources.
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@rtype: list
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"""
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return self.media_list + self.attribute_list
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def get_referenced_handles(self):
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"""
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Returns the list of (classname,handle) tuples for all directly
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referenced primary objects.
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@return: Returns the list of (classname,handle) tuples for referenced objects.
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@rtype: list
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"""
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ret = []
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if self.place:
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ret.append(('Place', self.place))
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return ret
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def get_handle_referents(self):
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"""
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Returns the list of child objects which may, directly or through
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their children, reference primary objects..
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@return: Returns the list of objects refereincing primary objects.
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@rtype: list
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"""
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return self.media_list + self.source_list
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def is_empty(self):
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"""
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Returns True if the Event is an empty object (no values set).
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@returns: True if the Event is empty
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@rtype: bool
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"""
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date = self.get_date_object()
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place = self.get_place_handle()
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description = self.description
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the_type = self.type
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return (the_type == EventType.CUSTOM and date.is_empty()
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and not place and not description)
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def are_equal(self, other):
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"""
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Returns True if the passed Event is equivalent to the current Event.
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@param other: Event to compare against
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@type other: Event
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@returns: True if the Events are equal
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@rtype: bool
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"""
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if other == None:
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other = Event (None)
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if self.type != other.type or \
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((self.place or other.place) and (self.place != other.place)) or \
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self.description != other.description \
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or self.private != other.private or \
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(not self.get_date_object().is_equal(other.get_date_object())) or \
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len(self.get_source_references()) != len(other.get_source_references()):
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return False
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index = 0
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olist = other.get_source_references()
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for a in self.get_source_references():
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if not a.is_equal(olist[index]):
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return False
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index += 1
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return True
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def set_type(self, the_type):
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"""
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Sets the type of the Event to the passed (int,str) tuple.
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@param the_type: Type to assign to the Event
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@type the_type: tuple
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"""
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self.type.set(the_type)
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def get_type(self):
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"""
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Returns the type of the Event.
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@return: Type of the Event
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@rtype: tuple
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"""
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return self.type
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def set_description(self, description):
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"""
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Sets the description of the Event to the passed string. The string
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may contain any information.
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@param description: Description to assign to the Event
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@type description: str
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"""
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self.description = description
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def get_description(self) :
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"""
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Returns the description of the Event.
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@return: Returns the description of the Event
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@rtype: str
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"""
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return self.description
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