def insert(self, child, parent, index, select=True):
"inserts child to the list of parent's children at index; a SlotNode at index is overwritten"
assert isinstance(child, Node)
# pos is index
if parent is None:
# XXX check whether this is called at all
parent = self._GetItemData(self.GetRootItem())
assert isinstance(parent, Node)
# parent is a Node, i.e. Dummy or Button are not in parent.children
if parent.children is None or index >= len(parent.children):
self.add(child, parent, select=select)
return
if isinstance(parent.children[index], SlotNode):
if not isinstance(child, SlotNode):
self.remove(parent.children[index])
Tree.insert(self, child, parent, index)
image = child.get_image()
child.item = compat.wx_Tree_InsertItemBefore(self, parent.item, index,
self._build_label(child),
image)
self._SetItemData(child.item, child)
if self.auto_expand:
self.Expand(parent.item)
if select:
self.select_item(child)
if not isinstance(child.widget, edit_sizers.SizerSlot):
self.app.check_codegen(child.widget)
def change_node_pos(self, node, new_pos):
if new_pos >= self.GetChildrenCount(node.parent.item, False):
return
index = node.parent.children.index(node)
Tree.change_node_pos(self, node, new_pos, index)
old_item = node.item
image = self.GetItemImage(node.item)
self.Freeze()
if index >= new_pos:
node.item = compat.wx_Tree_InsertItemBefore( self, node.parent.item, new_pos, self._build_label(node), image )
else:
node.item = compat.wx_Tree_InsertItemBefore( self, node.parent.item, new_pos+1, self._build_label(node), image )
self._SetItemData(node.item, node)
if node.children:
for c in node.children:
self._append_rec(node, c)
self.Expand(node.item)
self.Delete(old_item)
self.Thaw()
def add2(self, child, parent, index, item=None):
"insert an item for child into the list of parent's items; optionally re-use old item"
image = self.images.get( child._get_tree_image(), -1)
label = child._get_tree_label()
if item is None:
if index is None:
item = child.item = self.AppendItem(parent.item, label, image)
else:
item = child.item = compat.wx_Tree_InsertItemBefore(self, parent.item, index, label, image)
else:
# re-use
child.item = item
self.refresh(child)
self._SetItemData(item, child)
if self.auto_expand:
self.Expand(parent.item)
if DEBUG:
print("added item", utilities.hx(item), child, child.item)
return item