239 lines
7.5 KiB
Python
239 lines
7.5 KiB
Python
#
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# Gramps - a GTK+/GNOME based genealogy program
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#
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# Copyright (C) 2000-2007 Donald N. Allingham
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# Copyright (C) 2010 Michiel D. Nauta
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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 Reference class for GRAMPS
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"""
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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 gen.lib.secondaryobj import SecondaryObject
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from gen.lib.privacybase import PrivacyBase
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from gen.lib.notebase import NoteBase
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from gen.lib.attrbase import AttributeBase
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from gen.lib.refbase import RefBase
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from gen.lib.eventroletype import EventRoleType
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from gen.lib.const import IDENTICAL, EQUAL, DIFFERENT
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#-------------------------------------------------------------------------
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#
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# Event References for Person/Family
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#
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#-------------------------------------------------------------------------
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class EventRef(SecondaryObject, PrivacyBase, NoteBase, AttributeBase, RefBase):
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"""
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Event reference class.
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This class is for keeping information about how the person relates
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to the referenced event.
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"""
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def __init__(self, source=None):
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"""
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Create a new EventRef instance, copying from the source if present.
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"""
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PrivacyBase.__init__(self, source)
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NoteBase.__init__(self, source)
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AttributeBase.__init__(self, source)
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RefBase.__init__(self, source)
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if source:
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self.__role = source.__role
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else:
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self.__role = EventRoleType()
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def serialize(self):
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"""
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Convert the object to a serialized tuple of data.
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"""
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return (
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PrivacyBase.serialize(self),
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NoteBase.serialize(self),
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AttributeBase.serialize(self),
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RefBase.serialize(self),
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self.__role.serialize()
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)
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def unserialize(self, data):
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"""
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Convert a serialized tuple of data to an object.
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"""
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(privacy, note_list, attribute_list, ref, role) = data
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PrivacyBase.unserialize(self, privacy)
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NoteBase.unserialize(self, note_list)
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AttributeBase.unserialize(self, attribute_list)
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RefBase.unserialize(self, ref)
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self.__role = EventRoleType()
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self.__role.unserialize(role)
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return self
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def get_text_data_list(self):
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"""
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Return the list of all textual attributes of the object.
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:returns: 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.__role.string]
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def get_text_data_child_list(self):
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"""
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Return the list of child objects that may carry textual data.
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:returns: 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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return self.attribute_list
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def get_sourcref_child_list(self):
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"""
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Return the list of child secondary objects that may refer sources.
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:returns: Returns the list of child secondary child objects that may
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refer sources.
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:rtype: list
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"""
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return self.attribute_list
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def get_note_child_list(self):
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"""
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Return the list of child secondary objects that may refer notes.
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:returns: Returns the list of child secondary child objects that may
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refer notes.
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:rtype: list
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"""
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return self.attribute_list
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def get_referenced_handles(self):
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"""
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Return the list of (classname, handle) tuples for all directly
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referenced primary objects.
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:returns: Returns the list of (classname, handle) tuples for referenced
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objects.
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:rtype: list
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"""
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ret = self.get_referenced_note_handles()
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if self.ref:
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ret += [('Event', self.ref)]
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return ret
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def get_handle_referents(self):
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"""
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Return the list of child objects which may, directly or through their
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children, reference primary objects..
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:returns: Returns the list of objects referencing primary objects.
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:rtype: list
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"""
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return self.get_sourcref_child_list()
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def has_source_reference(self, src_handle) :
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"""
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Return True if any of the child objects has reference to this source
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handle.
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:param src_handle: The source handle to be checked.
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:type src_handle: str
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:returns: Returns whether any of it's child objects has reference to
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this source handle.
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:rtype: bool
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"""
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for item in self.get_sourcref_child_list():
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if item.has_source_reference(src_handle):
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return True
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return False
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def remove_source_references(self, src_handle_list):
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"""
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Remove references to all source handles in the list in all child
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objects.
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:param src_handle_list: The list of source handles to be removed.
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:type src_handle_list: list
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"""
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for item in self.get_sourcref_child_list():
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item.remove_source_references(src_handle_list)
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def replace_source_references(self, old_handle, new_handle):
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"""
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Replace references to source handles in the list in this object and
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all child objects and merge equivalent entries.
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:param old_handle: The source handle to be replaced.
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:type old_handle: str
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:param new_handle: The source handle to replace the old one with.
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:type new_handle: str
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"""
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for item in self.get_sourcref_child_list():
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item.replace_source_references(old_handle, new_handle)
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def is_equivalent(self, other):
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"""
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Return if this eventref is equivalent, that is agrees in handle and
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role, to other.
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:param other: The eventref to compare this one to.
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:rtype other: EventRef
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:returns: Constant indicating degree of equivalence.
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:rtype: int
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"""
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if self.ref != other.ref or self.role != other.role:
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return DIFFERENT
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else:
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if self.is_equal(other):
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return IDENTICAL
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else:
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return EQUAL
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def merge(self, acquisition):
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"""
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Merge the content of acquisition into this eventref.
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Lost: hlink and role of acquisition.
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:param acquisition: The eventref to merge with the present eventref.
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:param acquisition: EventRef
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"""
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self._merge_privacy(acquisition)
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self._merge_attribute_list(acquisition)
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self._merge_note_list(acquisition)
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def get_role(self):
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"""
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Return the tuple corresponding to the preset role.
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"""
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return self.__role
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def set_role(self, role):
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"""
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Set the role according to the given argument.
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"""
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self.__role.set(role)
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role = property(get_role, set_role, None, 'Returns or sets role property')
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