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Speed up generation of indices

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This commit is contained in:
Mika Fischer
2011-06-14 17:34:20 +02:00
parent c1b8ee7568
commit 8d71af7f65
1 changed files with 16 additions and 11 deletions
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sloth/annotations/model.py
+16 -11
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@@ -56,26 +56,26 @@ class ModelItem:
return p.getChildAt(row+1)
return None
def _attachToModel(self, model):
def _attachToModel(self, model, indices):
assert self.model() is None
assert not self._pindex
assert self.parent() is not None
assert self.parent().model() is not None
self._model = model
p = self.parent()
# Find out own index
for i in range(self.model().columnCount()):
if i < self._columns:
index = self.model().createIndex(p.getPosOfChild(self), i, self)
ind = indices[i]
else:
index = QModelIndex()
self._pindex.append(QPersistentModelIndex(index))
ind = QModelIndex()
self._pindex.append(QPersistentModelIndex(ind))
# Recurse
for item in self.children():
item._attachToModel(model)
for i in range(len(self.children())):
item = self.children()[i]
cindices = [self.model().createIndex(i, j, item) for j in range(item._columns)]
item._attachToModel(model, cindices)
def pindex(self, column=0):
assert self._pindex
@@ -98,7 +98,8 @@ class ModelItem:
self.children().append(item)
if self.model() is not None:
item._attachToModel(self.model())
indices = [self.model().createIndex(next_row, i, item) for i in range(item._columns)]
item._attachToModel(self.model(), indices)
self.model().endInsertRows()
def appendChildren(self, items):
@@ -116,8 +117,10 @@ class ModelItem:
self.children().append(item)
if self.model() is not None:
for item in items:
item._attachToModel(self.model())
for i in range(len(items)):
item = items[i]
indices = [self.model().createIndex(next_row+i, j, item) for j in range(item._columns)]
item._attachToModel(self.model(), indices)
self.model().endInsertRows()
@@ -299,6 +302,7 @@ class AnnotationModelItem(ModelItem):
return False
def data(self, role=Qt.DisplayRole, column=0):
print "Annotation:", self._annotation
if role == Qt.DisplayRole and column == 0:
return self.type()
elif role == TypeRole:
@@ -328,6 +332,7 @@ class KeyValueModelItem(ModelItem):
return self._key
def data(self, role=Qt.DisplayRole, column=0):
print "KeyValue:", self._key
if role == Qt.DisplayRole:
if column == 0:
return self._key