def __init__(self, *args, **kwargs):
# Reset bounds
kwargs['minimum'] = 0
kwargs['maximum'] = self.SQL_MAX
IntegerColumn.__init__(self, *args, **kwargs)
# Added in version 1.7
self._on_update_action = None
self._on_delete_action = None
self.entity_relation = kwargs.pop('entity_relation',
EntityRelation(self.entity.profile))
self.entity_relation.child_column = self.name
self.entity_relation.child = self.entity
# If the entity relation is valid then add it right away to the profile
if self.entity_relation.valid()[0]:
self.profile.add_entity_relation(self.entity_relation)
# Map referential actions
self.ref_actions = {
self.CASCADE: 'CASCADE',
self.NO_ACTION: 'NO ACTION',
self.SET_NULL: 'SET NULL',
self.SET_DEFAULT: 'SET DEFAULT'
}
# Set default cascade options
self.on_update_action = ForeignKeyColumn.NO_ACTION
self.on_delete_action = ForeignKeyColumn.SET_NULL
def create_entity_relation(self, **kwargs):
"""
Creates a new instances of an EntityRelation object.
:param kwargs: Arguments sent to the EntityRelation constructor.
:returns: Instance of an EntityRelation object
:rtype: EntityRelation
"""
return EntityRelation(self, **kwargs)
def add_values(self):
"""
Construct an EntityRelation instance from form fields
"""
er_fields = {}
er_fields['parent'] = str(self.cboPrimaryEntity.currentText())
er_fields['parent_column'] = str(self.cboPrimaryUKey.currentText())
er_fields['display_columns'] = self.display_columns()
er_fields['child'] = self.entity
er_fields['child_column'] = self.column_name
self._entity_relation = EntityRelation(self.profile, **er_fields)
def admin_spatial_unit_property(self):
"""
Sets entity relation property used when creating column of type
ADMIN_SPATIAL_UNIT
"""
er_fields = {}
er_fields['parent'] = self.entity
er_fields['parent_column'] = None
er_fields['display_columns'] = []
er_fields['child'] = None
er_fields['child_column'] = None
self.form_fields['entity_relation'] = EntityRelation(self.profile, **er_fields)
def add_values(self):
"""
Construct an EntityRelation instance
"""
lookup_name = unicode(self.cboPrimaryEntity.currentText())
self._lookup_name = lookup_name
er_fields = {}
er_fields['parent'] = lookup_name
er_fields['parent_column'] = None
er_fields['display_columns'] = []
er_fields['child'] = None
er_fields['child_column'] = None
self._entity_relation = EntityRelation(self._profile, **er_fields)
def __init__(self, *args, **kwargs):
#Reset bounds
kwargs['minimum'] = 0
kwargs['maximum'] = self.SQL_MAX
IntegerColumn.__init__(self, *args, **kwargs)
self.entity_relation = kwargs.pop('entity_relation',
EntityRelation(self.entity.profile))
self.entity_relation.child_column = self.name
self.entity_relation.child = self.entity
#If the entity relation is valid then add it right away to the profile
if self.entity_relation.valid()[0]:
self.profile.add_entity_relation(self.entity_relation)
