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Show count of additional keys after the ellipsis

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This commit is contained in:
Isaiah Odhner 2023-05-29 18:37:26 -04:00
parent efc7130fca
commit faccf33d5c
1 changed files with 14 additions and 2 deletions
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16
src/textual_paint/inspector.py
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@ -261,13 +261,19 @@ class PropertiesTree(Tree[object]):
count = 0
"""Key index + 1, including filtered-out keys."""
ellipsis_node: TreeNode[object] | None = None
"""Node to show more properties when clicked."""
def add_node_with_limit(key: str, value: object, exception: Exception | None = None) -> bool:
"""Add a node to the tree, or return True if the max number of nodes has been reached."""
nonlocal count, ellipsis_node
if count > max_keys:
for child in node.children:
if child.data is _ShowMoreSentinel:
child.remove()
node.add("...", _ShowMoreSentinel).allow_expand = False
ellipsis_node = node.add("...", _ShowMoreSentinel)
ellipsis_node.allow_expand = False
return True
PropertiesTree._add_property_node(node, str(key), value, exception)
self._already_loaded[node].add(str(key))
@ -301,15 +307,21 @@ class PropertiesTree(Tree[object]):
iterator = safe_dir_items(data) # type: ignore
self._num_keys_accessed[node] = 0
only_counting = False
for key, value, error in iterator:
count += 1
if only_counting:
continue
self._num_keys_accessed[node] += 1
if not key_filter(str(key)):
continue
if str(key) in self._already_loaded[node]:
continue
if add_node_with_limit(key, value, error):
break
# break
only_counting = True
if ellipsis_node is not None:
ellipsis_node.label = f"... +{count - max_keys} more"
@classmethod
def _add_property_node(cls, parent_node: TreeNode[object], name: str, data: object, exception: Exception | None = None) -> None: