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* src/ScratchPad.py: Fix signal connection and dbstate vs. db confusion; Add more checks for is_valid; This should now remove stale objects on delete or database change.

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svn: r7535
This commit is contained in:
Martin Hawlisch 2006-11-01 13:41:09 +00:00
parent 993da16eff
commit 71f7929543
2 changed files with 111 additions and 65 deletions
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5
gramps2/ChangeLog
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@ -1,3 +1,8 @@
2006-11-01 Martin Hawlisch <Martin.Hawlisch@gmx.de>
* src/ScratchPad.py: Fix signal connection and dbstate vs. db confusion;
Add more checks for is_valid; This should now remove stale objects on
delete or database change.
2006-10-31 Don Allingham <don@gramps-project.org> 2006-10-31 Don Allingham <don@gramps-project.org>
* src/DataViews/_RelationView.py: add right context menu * src/DataViews/_RelationView.py: add right context menu
* src/DataViews/_PersonView.py: fix typo * src/DataViews/_PersonView.py: fix typo

167
gramps2/src/ScratchPad.py
View File

@ -71,9 +71,9 @@ BLANK_PIC = gtk.gdk.Pixbuf(0,0,8,1,1)
class ScratchPadWrapper(object): class ScratchPadWrapper(object):
def __init__(self,db,obj): def __init__(self,dbstate,obj):
self.database_changed(db) dbstate.connect('database-changed', self.database_changed)
self._db.connect('database-changed', self.database_changed) self.database_changed(dbstate.db)
self._obj = obj self._obj = obj
self._type = _("Unknown") self._type = _("Unknown")
@ -207,8 +207,8 @@ class ScratchPadEvent(ScratchPadWrapper):
DRAG_TARGET = DdTargets.EVENT DRAG_TARGET = DdTargets.EVENT
ICON = LINK_PIC ICON = LINK_PIC
def __init__(self,db,obj): def __init__(self,dbstate,obj):
ScratchPadWrapper.__init__(self,db,obj) ScratchPadWrapper.__init__(self,dbstate,obj)
self._type = _("Event Link") self._type = _("Event Link")
(drag_type, idval, handle, val) = pickle.loads(obj) (drag_type, idval, handle, val) = pickle.loads(obj)
@ -248,6 +248,15 @@ class ScratchPadEvent(ScratchPadWrapper):
# return s # return s
def is_valid(self):
data = pickle.loads(self._obj)
handle = data[2]
person = self._db.get_event_from_handle(handle)
print person
if person:
return True
return False
class ScratchPadFamilyEvent(ScratchPadGrampsTypeWrapper): class ScratchPadFamilyEvent(ScratchPadGrampsTypeWrapper):
DROP_TARGETS = [DdTargets.FAMILY_EVENT] DROP_TARGETS = [DdTargets.FAMILY_EVENT]
@ -295,8 +304,8 @@ class ScratchPadUrl(ScratchPadGrampsTypeWrapper):
DRAG_TARGET = DdTargets.URL DRAG_TARGET = DdTargets.URL
ICON = BLANK_PIC ICON = BLANK_PIC
def __init__(self,db,obj): def __init__(self,dbstate,obj):
ScratchPadGrampsTypeWrapper.__init__(self,db,obj) ScratchPadGrampsTypeWrapper.__init__(self,dbstate,obj)
self._type = _("Url") self._type = _("Url")
self._title = self._obj.get_path() self._title = self._obj.get_path()
self._value = self._obj.get_description() self._value = self._obj.get_description()
@ -317,8 +326,8 @@ class ScratchPadAttribute(ScratchPadGrampsTypeWrapper):
DRAG_TARGET = DdTargets.ATTRIBUTE DRAG_TARGET = DdTargets.ATTRIBUTE
ICON = BLANK_PIC ICON = BLANK_PIC
def __init__(self, db, obj): def __init__(self, dbstate, obj):
ScratchPadGrampsTypeWrapper.__init__(self, db, obj) ScratchPadGrampsTypeWrapper.__init__(self, dbstate, obj)
self._type = _("Attribute") self._type = _("Attribute")
self._title = str(self._obj.get_type()) self._title = str(self._obj.get_type())
self._value = self._obj.get_value() self._value = self._obj.get_value()
@ -350,8 +359,8 @@ class ScratchPadFamilyAttribute(ScratchPadGrampsTypeWrapper):
DRAG_TARGET = DdTargets.FAMILY_ATTRIBUTE DRAG_TARGET = DdTargets.FAMILY_ATTRIBUTE
ICON = BLANK_PIC ICON = BLANK_PIC
def __init__(self, db, obj): def __init__(self, dbstate, obj):
ScratchPadGrampsTypeWrapper.__init__(self, db, obj) ScratchPadGrampsTypeWrapper.__init__(self, dbstate, obj)
self._type = _("Family Attribute") self._type = _("Family Attribute")
self._title = str(self._obj.get_type()) self._title = str(self._obj.get_type())
self._value = self._obj.get_value() self._value = self._obj.get_value()
@ -383,8 +392,8 @@ class ScratchPadSourceRef(ScratchPadGrampsTypeWrapper):
DRAG_TARGET = DdTargets.SOURCEREF DRAG_TARGET = DdTargets.SOURCEREF
ICON = BLANK_PIC ICON = BLANK_PIC
def __init__(self, db, obj): def __init__(self, dbstate, obj):
ScratchPadGrampsTypeWrapper.__init__(self, db, obj) ScratchPadGrampsTypeWrapper.__init__(self, dbstate, obj)
self._type = _("Source Reference") self._type = _("Source Reference")
base = self._db.get_source_from_handle(self._obj.get_reference_handle()) base = self._db.get_source_from_handle(self._obj.get_reference_handle())
@ -413,8 +422,8 @@ class ScratchPadRepoRef(ScratchPadGrampsTypeWrapper):
DRAG_TARGET = DdTargets.REPOREF DRAG_TARGET = DdTargets.REPOREF
ICON = BLANK_PIC ICON = BLANK_PIC
def __init__(self, db, obj): def __init__(self, dbstate, obj):
ScratchPadGrampsTypeWrapper.__init__(self, db, obj) ScratchPadGrampsTypeWrapper.__init__(self, dbstate, obj)
self._type = _("Repository Reference") self._type = _("Repository Reference")
base = self._db.get_repository_from_handle(self._obj.ref) base = self._db.get_repository_from_handle(self._obj.ref)
@ -430,8 +439,8 @@ class ScratchPadEventRef(ScratchPadGrampsTypeWrapper):
DRAG_TARGET = DdTargets.EVENTREF DRAG_TARGET = DdTargets.EVENTREF
ICON = BLANK_PIC ICON = BLANK_PIC
def __init__(self, db, obj): def __init__(self, dbstate, obj):
ScratchPadGrampsTypeWrapper.__init__(self, db, obj) ScratchPadGrampsTypeWrapper.__init__(self, dbstate, obj)
self._type = _("Event Reference") self._type = _("Event Reference")
base = self._db.get_event_from_handle(self._obj.ref) base = self._db.get_event_from_handle(self._obj.ref)
@ -447,8 +456,8 @@ class ScratchPadName(ScratchPadGrampsTypeWrapper):
DRAG_TARGET = DdTargets.NAME DRAG_TARGET = DdTargets.NAME
ICON = BLANK_PIC ICON = BLANK_PIC
def __init__(self, db, obj): def __init__(self, dbstate, obj):
ScratchPadGrampsTypeWrapper.__init__(self, db, obj) ScratchPadGrampsTypeWrapper.__init__(self, dbstate, obj)
self._type = _("Name") self._type = _("Name")
self._title = self._obj.get_name() self._title = self._obj.get_name()
self._value = str(self._obj.get_type()) self._value = str(self._obj.get_type())
@ -482,8 +491,8 @@ class ScratchPadText(ScratchPadWrapper):
DRAG_TARGET = DdTargets.TEXT DRAG_TARGET = DdTargets.TEXT
ICON = BLANK_PIC ICON = BLANK_PIC
def __init__(self, db, obj): def __init__(self, dbstate, obj):
ScratchPadWrapper.__init__(self, db, obj) ScratchPadWrapper.__init__(self, dbstate, obj)
self._type = _("Text") self._type = _("Text")
self._title = "" self._title = ""
@ -501,13 +510,13 @@ class ScratchMediaObj(ScratchPadWrapper):
DRAG_TARGET = DdTargets.MEDIAOBJ DRAG_TARGET = DdTargets.MEDIAOBJ
ICON = LINK_PIC ICON = LINK_PIC
def __init__(self, db, obj): def __init__(self, dbstate, obj):
ScratchPadWrapper.__init__(self, db, obj) ScratchPadWrapper.__init__(self, dbstate, obj)
(drag_type, idval, handle, val) = pickle.loads(obj) (drag_type, idval, handle, val) = pickle.loads(obj)
self._type = _("Media Object") self._type = _("Media Object")
obj = db.get_object_from_handle(handle) obj = self._db.get_object_from_handle(handle)
self._title = obj.get_description() self._title = obj.get_description()
self._value = obj.get_path() self._value = obj.get_path()
@ -517,14 +526,22 @@ class ScratchMediaObj(ScratchPadWrapper):
"%s" % (_("Media Object"), "%s" % (_("Media Object"),
escape(self._obj)) escape(self._obj))
def is_valid(self):
data = pickle.loads(self._obj)
handle = data[2]
obj = self._db.get_onject_from_handle(handle)
if obj:
return True
return False
class ScratchPadMediaRef(ScratchPadGrampsTypeWrapper): class ScratchPadMediaRef(ScratchPadGrampsTypeWrapper):
DROP_TARGETS = [DdTargets.MEDIAREF] DROP_TARGETS = [DdTargets.MEDIAREF]
DRAG_TARGET = DdTargets.MEDIAREF DRAG_TARGET = DdTargets.MEDIAREF
ICON = LINK_PIC ICON = LINK_PIC
def __init__(self, db, obj): def __init__(self, dbstate, obj):
ScratchPadGrampsTypeWrapper.__init__(self, db, obj) ScratchPadGrampsTypeWrapper.__init__(self, dbstate, obj)
self._type = _("Media Reference") self._type = _("Media Reference")
base = self._db.get_object_from_handle(self._obj.get_reference_handle()) base = self._db.get_object_from_handle(self._obj.get_reference_handle())
@ -540,8 +557,8 @@ class ScratchPersonLink(ScratchPadWrapper):
DRAG_TARGET = DdTargets.PERSON_LINK DRAG_TARGET = DdTargets.PERSON_LINK
ICON = LINK_PIC ICON = LINK_PIC
def __init__(self, db, obj): def __init__(self, dbstate, obj):
ScratchPadWrapper.__init__(self, db, obj) ScratchPadWrapper.__init__(self, dbstate, obj)
self._type = _("Person Link") self._type = _("Person Link")
(drag_type, idval, handle, val) = pickle.loads(obj) (drag_type, idval, handle, val) = pickle.loads(obj)
@ -584,6 +601,14 @@ class ScratchPersonLink(ScratchPadWrapper):
return s return s
def is_valid(self):
data = pickle.loads(self._obj)
handle = data[2]
obj = self._db.get_person_from_handle(handle)
if obj:
return True
return False
class ScratchSourceLink(ScratchPadWrapper): class ScratchSourceLink(ScratchPadWrapper):
@ -591,8 +616,8 @@ class ScratchSourceLink(ScratchPadWrapper):
DRAG_TARGET = DdTargets.SOURCE_LINK DRAG_TARGET = DdTargets.SOURCE_LINK
ICON = LINK_PIC ICON = LINK_PIC
def __init__(self, db, obj): def __init__(self, dbstate, obj):
ScratchPadWrapper.__init__(self, db, obj) ScratchPadWrapper.__init__(self, dbstate, obj)
self._type = _("Source Link") self._type = _("Source Link")
(drag_type, idval, handle, val) = pickle.loads(obj) (drag_type, idval, handle, val) = pickle.loads(obj)
@ -605,14 +630,22 @@ class ScratchSourceLink(ScratchPadWrapper):
def tooltip(self): def tooltip(self):
return "" return ""
def is_valid(self):
data = pickle.loads(self._obj)
handle = data[2]
obj = self._db.get_source_from_handle(handle)
if obj:
return True
return False
class ScratchRepositoryLink(ScratchPadWrapper): class ScratchRepositoryLink(ScratchPadWrapper):
DROP_TARGETS = [DdTargets.REPO_LINK] DROP_TARGETS = [DdTargets.REPO_LINK]
DRAG_TARGET = DdTargets.REPO_LINK DRAG_TARGET = DdTargets.REPO_LINK
ICON = LINK_PIC ICON = LINK_PIC
def __init__(self, db, obj): def __init__(self, dbstate, obj):
ScratchPadWrapper.__init__(self, db, obj) ScratchPadWrapper.__init__(self, dbstate, obj)
self._type = _("Repository Link") self._type = _("Repository Link")
(drag_type, idval, handle, val) = pickle.loads(obj) (drag_type, idval, handle, val) = pickle.loads(obj)
@ -624,6 +657,14 @@ class ScratchRepositoryLink(ScratchPadWrapper):
def tooltip(self): def tooltip(self):
return "" return ""
def is_valid(self):
data = pickle.loads(self._obj)
handle = data[2]
obj = self._db.get_repository_from_handle(handle)
if obj:
return True
return False
#------------------------------------------------------------------------- #-------------------------------------------------------------------------
# #
# Wrapper classes to deal with lists of objects # Wrapper classes to deal with lists of objects
@ -675,33 +716,12 @@ class ScratchPadListView:
LOCAL_DRAG_TARGET = ('MY_TREE_MODEL_ROW', gtk.TARGET_SAME_WIDGET, 0) LOCAL_DRAG_TARGET = ('MY_TREE_MODEL_ROW', gtk.TARGET_SAME_WIDGET, 0)
LOCAL_DRAG_TYPE = 'MY_TREE_MODEL_ROW' LOCAL_DRAG_TYPE = 'MY_TREE_MODEL_ROW'
def __init__(self, db, widget): def __init__(self, dbstate, widget):
self.database_changed(db)
self._db.connect('database-changed', self.database_changed)
db_signals = (
'person-update',
'person-delete',
'person-rebuild',
'family-update',
'family-delete',
'family-rebuild',
'source-update',
'source-delete',
'source-rebuild',
'place-update',
'place-delete',
'place-rebuild',
'media-update',
'media-delete',
'media-rebuild'
)
for signal in db_signals:
self._db.connect(signal,self.remove_invalid_objects)
self._widget = widget self._widget = widget
self.dbstate = dbstate
self.dbstate.connect('database-changed', self.database_changed)
self.database_changed(dbstate.db)
self._target_type_to_wrapper_class_map = {} self._target_type_to_wrapper_class_map = {}
self._previous_drop_time = 0 self._previous_drop_time = 0
@ -760,6 +780,27 @@ class ScratchPadListView:
def database_changed(self,db): def database_changed(self,db):
self._db = db self._db = db
db_signals = (
'person-update',
'person-delete',
'person-rebuild',
'family-update',
'family-delete',
'family-rebuild',
'source-update',
'source-delete',
'source-rebuild',
'place-update',
'place-delete',
'place-rebuild',
'media-update',
'media-delete',
'media-rebuild'
)
for signal in db_signals:
self._db.connect(signal,self.remove_invalid_objects)
self.remove_invalid_objects()
def remove_invalid_objects(self,dummy=None): def remove_invalid_objects(self,dummy=None):
model = self._widget.get_model() model = self._widget.get_model()
@ -767,7 +808,7 @@ class ScratchPadListView:
if model: if model:
for o in model: for o in model:
if not o[1].is_valid(): if not o[1].is_valid():
model.remove(o) model.remove(o.iter)
# Method to manage the wrapper classes. # Method to manage the wrapper classes.
@ -872,7 +913,7 @@ class ScratchPadListView:
# Just select the first match. # Just select the first match.
wrapper_class = self._target_type_to_wrapper_class_map[str(possible_wrappers[0])] wrapper_class = self._target_type_to_wrapper_class_map[str(possible_wrappers[0])]
o = wrapper_class(self._db,sel_data) o = wrapper_class(self.dbstate,sel_data)
# try: # try:
# o = wrapper_class(self._db,sel_data) # o = wrapper_class(self._db,sel_data)
# except: # except:
@ -953,10 +994,10 @@ class ScratchPadWindow(ManagedWindow.ManagedWindow):
"""Initializes the ScratchPad class, and displays the window""" """Initializes the ScratchPad class, and displays the window"""
ManagedWindow.ManagedWindow.__init__(self,uistate,[],self.__class__) ManagedWindow.ManagedWindow.__init__(self,uistate,[],self.__class__)
self.db = dbstate.db self.dbstate = dbstate
self.database_changed(self.db) self.database_changed(self.dbstate.db)
self.db.connect('database-changed', self.database_changed) self.dbstate.connect('database-changed', self.database_changed)
self.glade_file = os.path.join(const.glade_dir,"scratchpad.glade") self.glade_file = os.path.join(const.glade_dir,"scratchpad.glade")
@ -968,7 +1009,7 @@ class ScratchPadWindow(ManagedWindow.ManagedWindow):
self.clear_btn = self.top.get_widget("btn_clear") self.clear_btn = self.top.get_widget("btn_clear")
self.object_list = ScratchPadListView( self.object_list = ScratchPadListView(
self.db,self.top.get_widget('objectlist')) self.dbstate,self.top.get_widget('objectlist'))
self.object_list.get_selection().connect('changed', self.object_list.get_selection().connect('changed',
self.set_clear_btn_sensitivity) self.set_clear_btn_sensitivity)
self.set_clear_btn_sensitivity(sel=self.object_list.get_selection()) self.set_clear_btn_sensitivity(sel=self.object_list.get_selection())