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266 lines
11 KiB
266 lines
11 KiB
import os
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import re
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import threading
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import numpy as np
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from collections import deque
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import dearpygui.dearpygui as dpg
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class DataTreeNode:
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def __init__(self, name: str, full_path: str = "", parent=None):
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self.name = name
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self.full_path = full_path
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self.parent = parent
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self.children: dict[str, DataTreeNode] = {}
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self.is_leaf = False
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self.child_count = 0
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self.is_plottable: bool | None = None
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self.ui_created = False
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self.children_ui_created = False
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self.ui_tag: str | None = None
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class DataTree:
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MAX_NODES_PER_FRAME = 50
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def __init__(self, data_manager, playback_manager):
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self.data_manager = data_manager
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self.playback_manager = playback_manager
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self.current_search = ""
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self.data_tree = DataTreeNode(name="root")
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self._build_queue: deque[tuple[DataTreeNode, str | None, str | int]] = deque()
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self._all_paths_cache: set[str] = set()
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self._item_handlers: set[str] = set()
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self._avg_char_width = None
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self._queued_search = None
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self._new_data = False
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self._ui_lock = threading.RLock()
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self.data_manager.add_observer(self._on_data_loaded)
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def create_ui(self, parent_tag: str):
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with dpg.child_window(parent=parent_tag, border=False, width=-1, height=-1):
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dpg.add_text("Available Data")
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dpg.add_separator()
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dpg.add_input_text(tag="search_input", width=-1, hint="Search fields...", callback=self.search_data)
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dpg.add_separator()
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with dpg.group(tag="data_tree_container"):
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pass
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def _on_data_loaded(self, data: dict):
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with self._ui_lock:
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if data.get('segment_added'):
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self._new_data = True
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elif data.get('reset'):
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self._all_paths_cache = set()
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self._new_data = True
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def _populate_tree(self):
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self._clear_ui()
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self.data_tree = self._add_paths_to_tree(self._all_paths_cache, incremental=False)
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if self.data_tree:
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self._request_children_build(self.data_tree)
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def _add_paths_to_tree(self, paths, incremental=False):
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search_term = self.current_search.strip().lower()
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filtered_paths = [path for path in paths if self._should_show_path(path, search_term)]
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target_tree = self.data_tree if incremental else DataTreeNode(name="root")
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if not filtered_paths:
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return target_tree
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parent_nodes_to_recheck = set()
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for path in sorted(filtered_paths):
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parts = path.split('/')
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current_node = target_tree
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current_path_prefix = ""
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for i, part in enumerate(parts):
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current_path_prefix = f"{current_path_prefix}/{part}" if current_path_prefix else part
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if i < len(parts) - 1:
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parent_nodes_to_recheck.add(current_node) # for incremental changes from new data
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if part not in current_node.children:
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current_node.children[part] = DataTreeNode(name=part, full_path=current_path_prefix, parent=current_node)
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current_node = current_node.children[part]
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if not current_node.is_leaf:
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current_node.is_leaf = True
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self._calculate_child_counts(target_tree)
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if incremental:
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for p_node in parent_nodes_to_recheck:
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p_node.children_ui_created = False
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self._request_children_build(p_node)
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return target_tree
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def update_frame(self, font):
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with self._ui_lock:
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if self._avg_char_width is None and dpg.is_dearpygui_running():
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self._avg_char_width = self.calculate_avg_char_width(font)
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if self._new_data:
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current_paths = set(self.data_manager.get_all_paths())
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new_paths = current_paths - self._all_paths_cache
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all_paths_empty = not self._all_paths_cache
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self._all_paths_cache = current_paths
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if all_paths_empty:
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self._populate_tree()
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elif new_paths:
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self._add_paths_to_tree(new_paths, incremental=True)
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self._new_data = False
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return
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if self._queued_search is not None:
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self.current_search = self._queued_search
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self._all_paths_cache = set(self.data_manager.get_all_paths())
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self._populate_tree()
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self._queued_search = None
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return
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nodes_processed = 0
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while self._build_queue and nodes_processed < self.MAX_NODES_PER_FRAME:
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child_node, parent_tag, before_tag = self._build_queue.popleft()
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if not child_node.ui_created:
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if child_node.is_leaf:
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self._create_leaf_ui(child_node, parent_tag, before_tag)
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else:
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self._create_tree_node_ui(child_node, parent_tag, before_tag)
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nodes_processed += 1
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def search_data(self):
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self._queued_search = dpg.get_value("search_input")
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def _clear_ui(self):
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for handler_tag in self._item_handlers:
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dpg.configure_item(handler_tag, show=False)
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dpg.set_frame_callback(dpg.get_frame_count() + 1, callback=self._delete_handlers, user_data=list(self._item_handlers))
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self._item_handlers.clear()
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if dpg.does_item_exist("data_tree_container"):
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dpg.delete_item("data_tree_container", children_only=True)
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self._build_queue.clear()
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def _delete_handlers(self, sender, app_data, user_data):
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for handler in user_data:
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dpg.delete_item(handler)
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def _calculate_child_counts(self, node: DataTreeNode):
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if node.is_leaf:
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node.child_count = 0
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else:
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node.child_count = len(node.children)
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for child in node.children.values():
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self._calculate_child_counts(child)
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def _create_tree_node_ui(self, node: DataTreeNode, parent_tag: str, before: str | int):
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tag = f"tree_{node.full_path}"
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node.ui_tag = tag
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label = f"{node.name} ({node.child_count} fields)"
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search_term = self.current_search.strip().lower()
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expand = bool(search_term) and len(search_term) > 1 and any(search_term in path for path in self._get_descendant_paths(node))
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if expand and node.parent and node.parent.child_count > 100 and node.child_count > 2: # don't fully autoexpand large lists (only affects procLog rn)
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label += " (+)"
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expand = False
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with dpg.tree_node(
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label=label, parent=parent_tag, tag=tag, default_open=expand, open_on_arrow=True, open_on_double_click=True, before=before, delay_search=True
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):
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with dpg.item_handler_registry() as handler_tag:
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dpg.add_item_toggled_open_handler(callback=lambda s, a, u: self._request_children_build(node))
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dpg.add_item_visible_handler(callback=lambda s, a, u: self._request_children_build(node))
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dpg.bind_item_handler_registry(tag, handler_tag)
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self._item_handlers.add(handler_tag)
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node.ui_created = True
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def _create_leaf_ui(self, node: DataTreeNode, parent_tag: str, before: str | int):
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with dpg.group(parent=parent_tag, tag=f"leaf_{node.full_path}", before=before, delay_search=True) as draggable_group:
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with dpg.table(header_row=False, policy=dpg.mvTable_SizingStretchProp, delay_search=True):
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dpg.add_table_column(init_width_or_weight=0.5)
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dpg.add_table_column(init_width_or_weight=0.5)
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with dpg.table_row():
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dpg.add_text(node.name)
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dpg.add_text("N/A", tag=f"value_{node.full_path}")
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if node.is_plottable is None:
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node.is_plottable = self.data_manager.is_plottable(node.full_path)
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if node.is_plottable:
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with dpg.drag_payload(parent=draggable_group, drag_data=node.full_path, payload_type="TIMESERIES_PAYLOAD"):
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dpg.add_text(f"Plot: {node.full_path}")
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with dpg.item_handler_registry() as handler_tag:
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dpg.add_item_visible_handler(callback=self._on_item_visible, user_data=node.full_path)
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dpg.bind_item_handler_registry(draggable_group, handler_tag)
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self._item_handlers.add(handler_tag)
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node.ui_created = True
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node.ui_tag = f"value_{node.full_path}"
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def _on_item_visible(self, sender, app_data, user_data):
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with self._ui_lock:
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path = user_data
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value_tag = f"value_{path}"
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value_column_width = dpg.get_item_rect_size("sidebar_window")[0] // 2
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value = self.data_manager.get_value_at(path, self.playback_manager.current_time_s)
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if value is not None:
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formatted_value = self.format_and_truncate(value, value_column_width, self._avg_char_width)
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dpg.set_value(value_tag, formatted_value)
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else:
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dpg.set_value(value_tag, "N/A")
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def _request_children_build(self, node: DataTreeNode):
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with self._ui_lock:
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if not node.children_ui_created and (node.name == "root" or (node.ui_tag is not None and dpg.get_value(node.ui_tag))): # check root or node expanded
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parent_tag = "data_tree_container" if node.name == "root" else node.ui_tag
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sorted_children = sorted(node.children.values(), key=self._natural_sort_key)
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next_existing: list[int | str] = [0] * len(sorted_children)
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current_before_tag: int | str = 0
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for i in range(len(sorted_children) - 1, -1, -1): # calculate "before_tag" for correct ordering when incrementally building tree
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child = sorted_children[i]
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next_existing[i] = current_before_tag
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if child.ui_created:
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candidate_tag = f"leaf_{child.full_path}" if child.is_leaf else f"tree_{child.full_path}"
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if dpg.does_item_exist(candidate_tag):
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current_before_tag = candidate_tag
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for i, child_node in enumerate(sorted_children):
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if not child_node.ui_created:
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before_tag = next_existing[i]
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self._build_queue.append((child_node, parent_tag, before_tag))
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node.children_ui_created = True
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def _should_show_path(self, path: str, search_term: str) -> bool:
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if 'DEPRECATED' in path and not os.environ.get('SHOW_DEPRECATED'):
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return False
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return not search_term or search_term in path.lower()
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def _natural_sort_key(self, node: DataTreeNode):
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node_type_key = node.is_leaf
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parts = [int(p) if p.isdigit() else p.lower() for p in re.split(r'(\d+)', node.name) if p]
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return (node_type_key, parts)
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def _get_descendant_paths(self, node: DataTreeNode):
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for child_name, child_node in node.children.items():
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child_name_lower = child_name.lower()
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if child_node.is_leaf:
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yield child_name_lower
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else:
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for path in self._get_descendant_paths(child_node):
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yield f"{child_name_lower}/{path}"
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@staticmethod
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def calculate_avg_char_width(font):
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sample_text = "abcdefghijklmnopqrstuvwxyz0123456789"
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if size := dpg.get_text_size(sample_text, font=font):
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return size[0] / len(sample_text)
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return None
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@staticmethod
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def format_and_truncate(value, available_width: float, avg_char_width: float) -> str:
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s = f"{value:.5f}" if np.issubdtype(type(value), np.floating) else str(value)
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max_chars = int(available_width / avg_char_width) - 3
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if len(s) > max_chars:
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return s[: max(0, max_chars)] + "..."
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return s
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