def __str__(self):
n_children = len(self.child_items)
if n_children == 0:
return _("<TreeItem(0x{:x}): {} = {}>").format(
id(self.obj), self.obj_path,
cut_off_str(self.obj, MAX_OBJ_STR_LEN))
else:
return _("<TreeItem(0x{:x}): {} ({:d} children)>").format(
id(self.obj), self.obj_path, len(self.child_items))
def refreshTree(self):
"""
Refreshes the tree model from the underlying root object
(which may have been changed).
"""
logger.info("")
logger.info("refreshTree: {}".format(self.rootItem))
root_item = self.treeItem(self.rootIndex())
logger.info(" root_item: {} (idx={})".format(root_item,
self.rootIndex()))
inspected_item = self.treeItem(self.inspectedIndex())
logger.info(" inspected_item: {} (idx={})".format(
inspected_item,
self.inspectedIndex()))
assert (root_item is inspected_item) != self.inspectedNodeIsVisible, \
"sanity check"
self._auxRefreshTree(self.inspectedIndex())
root_obj = self.rootItem.obj
logger.debug("After _auxRefreshTree, "
"root_obj: {}".format(cut_off_str(root_obj, 80)))
self.rootItem.pretty_print()
# Emit the dataChanged signal for all cells.
# This is faster than checking which nodes
# have changed, which may be slow for some underlying Python objects.
n_rows = self.rowCount()
n_cols = self.columnCount()
top_left = self.index(0, 0)
bottom_right = self.index(n_rows-1, n_cols-1)
logger.debug("bottom_right: ({}, {})".format(bottom_right.row(),
bottom_right.column()))
self.dataChanged.emit(top_left, bottom_right)