789 lines
35 KiB
Python
789 lines
35 KiB
Python
from __future__ import annotations
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from datetime import datetime
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import math
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from pathlib import Path
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import vtk
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from PySide6.QtCore import Qt, QThread, QTimer, Slot
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from PySide6.QtWidgets import (
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QApplication,
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QFileDialog,
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QMessageBox,
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QTableWidgetItem,
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QTreeWidgetItem,
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)
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from .model import StepModel
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from .records import OperationRecord
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from .ui_helpers import * # noqa: F403
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from .workers import EditWorker, LoadWorker, ScanWorker
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class WindowStateMixin:
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def _reset_selection(self, clear_highlight: bool = True) -> None:
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self.selected_kind = None
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self.selected_part_id = None
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self.selected_solid_id = None
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self.selected_face_id = None
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self.selected_edge_id = None
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self.selected_pick_position = None
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if clear_highlight:
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self._clear_highlight()
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self._update_action_states()
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def _show_pick_marker(self, pick_position: tuple[float, float, float] | None) -> None:
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if pick_position is None:
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return
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radius = self._pick_marker_radius()
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sphere = vtk.vtkSphereSource()
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sphere.SetCenter(*pick_position)
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sphere.SetRadius(radius)
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sphere.SetThetaResolution(20)
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sphere.SetPhiResolution(12)
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mapper = vtk.vtkPolyDataMapper()
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mapper.SetInputConnection(sphere.GetOutputPort())
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actor = vtk.vtkActor()
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actor.SetMapper(mapper)
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actor.GetProperty().SetColor(0.1, 0.95, 0.95)
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actor.GetProperty().SetSpecular(0.4)
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actor.GetProperty().SetSpecularPower(18)
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self.pick_marker_actor = actor
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self.renderer.AddActor(actor)
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self.render_window.Render()
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def _pick_marker_radius(self) -> float:
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bounds = self.model_actor.GetBounds() if self.model_actor is not None else None
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if bounds is None:
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return 1.0
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dx = bounds[1] - bounds[0]
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dy = bounds[3] - bounds[2]
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dz = bounds[5] - bounds[4]
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diagonal = math.sqrt(dx * dx + dy * dy + dz * dz)
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return max(diagonal * 0.004, 0.1)
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def _with_pick_info(
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self,
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info: dict[str, object],
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pick_position: tuple[float, float, float] | None,
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) -> dict[str, object]:
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if pick_position is None:
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return info
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enriched = dict(info)
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enriched["pick_position"] = pick_position
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return enriched
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def _selection_status(self, message: str, pick_position: tuple[float, float, float] | None) -> str:
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if pick_position is None:
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return message
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return f"{message}，拾取点 {_format_value(pick_position)}"
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def _edit_busy(self, message: str = "编辑计算中，请等待当前操作完成。") -> bool:
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if self.load_in_progress:
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self.statusBar().showMessage("STEP background loading is still running.")
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return True
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if self.operation_in_progress:
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self.statusBar().showMessage(message)
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return True
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if self.scan_in_progress:
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self.statusBar().showMessage("扫描中，请等待扫描完成后再执行该操作。")
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return True
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return False
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def _sync_id_picker(self, kind: str, target_id: int) -> None:
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self.last_id_kind = kind
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self.id_input.setText(str(target_id))
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def _update_action_states(self) -> None:
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if not hasattr(self, "export_all_button"):
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return
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has_loaded_model = self.model is not None
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busy = self.operation_in_progress or self.scan_in_progress or self.load_in_progress
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has_model = has_loaded_model and not busy
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selected_kind = self.selected_kind
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has_selection = any(
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item is not None
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for item in (
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self.selected_part_id,
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self.selected_solid_id,
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self.selected_face_id,
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self.selected_edge_id,
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)
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)
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has_part = self.selected_part_id is not None
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has_solid = self.selected_solid_id is not None
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has_face = self.selected_face_id is not None and selected_kind in {"face", "feature"}
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has_edge = self.selected_edge_id is not None and selected_kind == "edge"
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id_text = self.id_input.text().strip() if hasattr(self, "id_input") else ""
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history_row = self.history_list.currentRow() if hasattr(self, "history_list") else -1
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has_history = has_model and bool(getattr(self, "operation_history", []))
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has_history_selection = has_history and 0 <= history_row < len(self.operation_history)
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has_diff_preview = has_model and bool(getattr(self, "diff_actors", []))
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has_measure_points = bool(getattr(self, "measure_point_a", None) or getattr(self, "measure_point_b", None))
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has_measure_result = bool(getattr(self, "measure_point_a", None) and getattr(self, "measure_point_b", None))
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pick_value = getattr(self, "current_info_values", {}).get("pick_position")
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has_pick_position = self.selected_pick_position is not None or (
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isinstance(pick_value, (tuple, list)) and len(pick_value) == 3
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)
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selected_id_text = self._selected_id_text() if hasattr(self, "_selected_id_text") else ""
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has_current_info = bool(getattr(self, "current_info_text", ""))
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wait_or_load_tip = "请先加载 STEP 文件，或等待当前后台任务完成。"
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if hasattr(self, "open_button"):
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self._set_control_state(
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self.open_button,
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not busy,
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"选择并打开一个 .step 或 .stp 文件。",
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"请等待当前后台任务完成后再打开其他 STEP 文件。",
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)
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self._set_control_state(
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self.reload_button,
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has_loaded_model and not busy,
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"从磁盘重新读取当前 STEP 文件。",
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wait_or_load_tip,
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)
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if hasattr(self, "part_tree"):
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self._set_control_state(
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self.part_tree,
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has_model,
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"从结构树中选择 Part、Solid 或装配节点。",
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wait_or_load_tip,
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)
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if hasattr(self, "mode_combo"):
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self._set_control_state(
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self.mode_combo,
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not busy,
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"选择鼠标点击模型时要选什么对象。",
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"请等待当前后台任务完成后再切换鼠标选择模式。",
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)
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if hasattr(self, "id_input"):
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self._set_control_state(
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self.id_input,
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has_model,
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"输入要选中的对象 ID。",
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wait_or_load_tip,
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)
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self._set_control_state(
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self.select_id_button,
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has_model and bool(id_text),
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"按当前选择模式跳转到输入的 ID。",
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"请先加载模型并输入整数 ID。",
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)
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self._set_control_state(
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self.export_all_button,
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has_model,
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"导出当前完整 STEP 模型。",
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wait_or_load_tip,
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)
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self._set_control_state(
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self.export_check_button,
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has_model,
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"检查当前导出对象的 B-Rep、数量、体积和包围盒等质量信息。",
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wait_or_load_tip,
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)
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if hasattr(self, "repair_model_button"):
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self._set_control_state(
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self.repair_model_button,
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has_model,
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"对当前完整模型执行 ShapeFix 和同域面/边合并，并写入撤销历史。",
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wait_or_load_tip,
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)
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self._set_control_state(
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self.repair_selected_button,
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has_model and (has_solid or has_part),
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"优先修复当前选中对象所属Solid；没有Solid时修复所属零件，并写入撤销历史。",
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"请先选择 Part、Solid、Face 或 Edge，或等待当前后台任务完成。",
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)
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self._set_control_state(
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self.export_part_button,
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has_model and has_part,
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"导出当前选中对象所属零件。",
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"请先选择 Part，或选择属于某个 Part 的 Solid、Face 或 Edge。",
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)
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self._set_control_state(
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self.export_solid_button,
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has_model and has_solid,
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"导出当前选中对象所属 Solid。",
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"请先选择 Solid，或选择属于某个 Solid 的 Face 或 Edge。",
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)
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self._set_control_state(
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self.export_face_button,
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has_model and has_face,
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"导出当前选中的 Face 或同域面区域。",
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"请先在 Face 或 Feature 模式下选择一个 Face。",
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)
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self._set_control_state(
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self.export_feature_button,
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has_model and selected_kind == "feature" and self.selected_face_id is not None,
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"导出 Feature 模式识别到的局部特征区域。",
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"请先切换到 Feature 模式并选择孔、槽、圆角或凸台候选。",
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)
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self._set_control_state(
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self.export_edge_button,
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has_model and has_edge,
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"导出当前选中的 Edge。",
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"请先切换到 Edge 模式并选择一条 Edge。",
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)
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if hasattr(self, "isolate_button"):
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self._set_control_state(
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self.isolate_button,
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has_model and has_selection,
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"只显示当前选中的对象或区域。",
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"请先加载模型并选择 Part、Solid、Face、Edge 或 Feature。",
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)
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self._set_control_state(
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self.fit_button,
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has_model and has_selection,
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"把相机对准当前选中对象。",
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"请先加载模型并选择一个对象。",
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)
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self._set_control_state(
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self.show_all_button,
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has_model,
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"恢复显示完整模型。",
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wait_or_load_tip,
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)
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self._set_control_state(
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self.show_internal_edges_checkbox,
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has_model,
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"显示或隐藏同域内部拓扑边。",
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wait_or_load_tip,
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)
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if hasattr(self, "set_measure_a_button"):
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measure_point_tip = "把当前选中对象的拾取点或中心设为测量点。"
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self._set_control_state(
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self.set_measure_a_button,
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has_model and has_selection,
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measure_point_tip,
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"请先加载模型并选择一个对象。",
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)
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self._set_control_state(
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self.set_measure_b_button,
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has_model and has_selection,
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measure_point_tip,
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"请先加载模型并选择一个对象。",
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)
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self._set_control_state(
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self.copy_measure_button,
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has_measure_result,
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"复制 A/B 两点距离和 X/Y/Z 差值。",
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"请先设置测量点 A 和 B。",
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)
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self._set_control_state(
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self.clear_measure_button,
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has_measure_points,
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"清除 A/B 测量点和 3D 测量线。",
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"当前没有可清除的测量点。",
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)
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if hasattr(self, "history_list"):
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self._set_control_state(
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self.history_list,
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has_history,
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"点击历史记录可查看参数、定位目标并显示差异预览。",
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"当前还没有编辑历史。",
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)
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self._set_control_state(
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self.clear_diff_button,
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has_diff_preview,
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"清除当前显示的差异预览。",
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"当前没有正在显示的差异预览。",
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)
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self._set_control_state(
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self.export_diff_button,
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has_history_selection,
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"导出当前选中历史记录的差异报告。",
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"请先在操作历史中选择一条记录。",
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)
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self._set_control_state(
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self.export_history_button,
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has_history,
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"导出本次会话的完整编辑历史 JSON。",
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||
"当前还没有可导出的编辑历史。",
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)
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if hasattr(self, "copy_id_button"):
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self._set_control_state(
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self.copy_id_button,
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bool(selected_id_text),
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"复制当前选中对象的 ID。",
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"请先选择一个对象。",
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)
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self._set_control_state(
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self.copy_pick_button,
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has_pick_position,
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"复制最近一次鼠标拾取到的三维坐标。",
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"当前没有可复制的拾取坐标。",
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)
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self._set_control_state(
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self.copy_info_button,
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has_current_info,
|
||
"复制当前属性区里的完整文本。",
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||
"当前属性区还没有可复制的信息。",
|
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)
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self._update_edit_action_states(has_model)
|
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def _update_edit_action_states(self, has_model: bool) -> None:
|
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if not hasattr(self, "push_button"):
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return
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action_info = self._selected_action_info() if has_model else {}
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||
surface = str(action_info.get("surface", ""))
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curve = str(action_info.get("curve", ""))
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feature_guess = str(action_info.get("feature_guess", ""))
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angular_span = _float_or_none(action_info.get("angular_span"))
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has_face = self.selected_face_id is not None and self.selected_kind in {"face", "feature"}
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has_edge = self.selected_edge_id is not None and self.selected_kind == "edge"
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is_plane = has_face and surface == "plane"
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is_shell_candidate = is_plane and action_info.get("shell_region_status") == "candidate"
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is_cylinder = has_face and surface == "cylinder" and "diameter" in action_info
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is_hole_or_groove = is_cylinder and feature_guess == "hole/groove candidate"
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is_boss = is_cylinder and feature_guess == "boss/outer-round candidate"
|
||
is_existing_fillet = is_cylinder and feature_guess == "round/fillet candidate"
|
||
is_full_cylinder = angular_span is not None and angular_span >= math.tau * 0.92
|
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is_slot_or_half_hole = (
|
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is_hole_or_groove
|
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and angular_span is not None
|
||
and angular_span < math.tau * 0.92
|
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and _float_or_none(action_info.get("slot_chord_width_estimate")) is not None
|
||
)
|
||
is_blind = action_info.get("cylinder_end_type") == "blind"
|
||
has_bottom = bool(_int_values(action_info.get("feature_bottom_face_ids")))
|
||
has_manual_bottom = bool(
|
||
hasattr(self, "hole_bottom_face_input")
|
||
and self.hole_bottom_face_input.text().strip()
|
||
)
|
||
has_fillet_support = len(_int_values(action_info.get("feature_existing_fillet_support_face_ids"))) >= 2
|
||
is_line_edge = has_edge and curve == "line"
|
||
can_push = has_model and is_plane
|
||
can_resize_shell = has_model and is_shell_candidate
|
||
can_resize_hole = has_model and is_hole_or_groove
|
||
can_resize_slot = has_model and is_slot_or_half_hole
|
||
can_resize_boss = has_model and is_boss and is_full_cylinder
|
||
can_suppress_hole = has_model and is_hole_or_groove and is_full_cylinder
|
||
can_resize_depth = has_model and is_hole_or_groove and ((is_blind and has_bottom) or has_manual_bottom)
|
||
can_fillet_edge = has_model and is_line_edge
|
||
can_resize_existing_fillet = has_model and is_existing_fillet and has_fillet_support
|
||
can_chamfer_edge = has_model and is_line_edge
|
||
can_resize_edge_length = has_model and has_edge
|
||
can_transform_part = has_model and self.selected_part_id is not None
|
||
can_transform_solid = has_model and self.selected_solid_id is not None
|
||
|
||
self._set_control_state(
|
||
self.offset_input,
|
||
can_push,
|
||
"输入平面 Face 的推拉距离。",
|
||
"请先选择一个可推拉的平面 Face。",
|
||
)
|
||
|
||
self._set_control_state(
|
||
self.push_button,
|
||
can_push,
|
||
"对当前平面 Face 执行推拉。",
|
||
"请先选择一个平面 Face，或在 Feature 模式下选择可推拉平面候选。",
|
||
)
|
||
if hasattr(self, "resize_shell_thickness_button"):
|
||
self._set_control_state(
|
||
self.shell_thickness_input,
|
||
can_resize_shell,
|
||
"输入薄壁/壳体局部区域的目标厚度。",
|
||
"请先选择一个已识别到相对平面的薄壁/壳体平面候选。",
|
||
)
|
||
self._set_control_state(
|
||
self.resize_shell_thickness_button,
|
||
can_resize_shell,
|
||
"按目标厚度推拉当前薄壁/壳体平面区域。",
|
||
"请先选择一个已识别到相对平面的薄壁/壳体平面候选。",
|
||
)
|
||
self._set_control_state(
|
||
self.hole_diameter_input,
|
||
can_resize_hole,
|
||
"输入圆柱孔/槽的目标直径。",
|
||
"请先选择被识别为孔/槽候选的圆柱 Face。",
|
||
)
|
||
self._set_control_state(
|
||
self.resize_button,
|
||
can_resize_hole,
|
||
"调整当前圆柱孔/槽候选的直径。",
|
||
"请先选择被识别为孔/槽候选的圆柱 Face。",
|
||
)
|
||
if hasattr(self, "resize_slot_button"):
|
||
self._set_control_state(
|
||
self.slot_width_input,
|
||
can_resize_slot,
|
||
"输入槽/半孔候选的目标宽度。",
|
||
"请先选择被识别为槽/半孔的部分圆柱 Face。",
|
||
)
|
||
self._set_control_state(
|
||
self.resize_slot_button,
|
||
can_resize_slot,
|
||
"按目标槽宽调整当前槽/半孔候选；当前版本会换算为对应圆柱直径后执行。",
|
||
"请先选择被识别为槽/半孔的部分圆柱 Face。",
|
||
)
|
||
self._set_control_state(
|
||
self.boss_diameter_input,
|
||
can_resize_boss,
|
||
"输入完整圆柱凸台候选的目标直径。",
|
||
"请先选择被识别为完整凸台/外圆候选的圆柱 Face。",
|
||
)
|
||
self._set_control_state(
|
||
self.resize_boss_button,
|
||
can_resize_boss,
|
||
"调整当前完整圆柱凸台候选的直径。",
|
||
"请先选择被识别为完整凸台/外圆候选的圆柱 Face。",
|
||
)
|
||
self._set_control_state(
|
||
self.suppress_button,
|
||
can_suppress_hole,
|
||
"封堵当前完整圆柱孔候选。",
|
||
"请先选择接近完整圆柱的孔候选；半孔/槽不会放行。",
|
||
)
|
||
self._set_control_state(
|
||
self.hole_depth_input,
|
||
can_resize_hole,
|
||
"输入盲孔/盲槽的目标深度。",
|
||
"请先选择孔/槽圆柱面。",
|
||
)
|
||
self._set_control_state(
|
||
self.hole_bottom_face_input,
|
||
can_resize_hole,
|
||
"必要时输入底面 Face ID，用来明确盲孔/盲槽深度。",
|
||
"请先选择孔/槽圆柱面。",
|
||
)
|
||
self._set_control_state(
|
||
self.resize_depth_button,
|
||
can_resize_depth,
|
||
"调整当前盲孔/盲槽深度；自动底面不稳定时可手动填写底面 Face ID。",
|
||
"请先选择孔/槽圆柱面；如果没有自动识别到底面，请填写底面 Face ID。",
|
||
)
|
||
self._set_control_state(
|
||
self.edge_fillet_radius_input,
|
||
can_fillet_edge or can_resize_existing_fillet,
|
||
"输入新圆角或已有圆角的目标半径。",
|
||
"请先选择直线Edge，或选择可修改的已有圆角 Face。",
|
||
)
|
||
self._set_control_state(
|
||
self.fillet_edge_button,
|
||
can_fillet_edge,
|
||
"给当前直线Edge添加新圆角。",
|
||
"请先选择一条直线Edge。",
|
||
)
|
||
self._set_control_state(
|
||
self.resize_existing_fillet_button,
|
||
can_resize_existing_fillet,
|
||
"尝试修改当前已有圆角/倒圆候选的半径。",
|
||
"请先选择一个已有圆角/倒圆候选 Face；当前版本需要识别到至少两个支撑 Face。",
|
||
)
|
||
self._set_control_state(
|
||
self.edge_chamfer_distance_input,
|
||
can_chamfer_edge,
|
||
"输入当前直线Edge的倒角距离。",
|
||
"请先选择一条直线Edge。",
|
||
)
|
||
self._set_control_state(
|
||
self.chamfer_edge_button,
|
||
can_chamfer_edge,
|
||
"给当前直线Edge添加倒角。",
|
||
"请先选择一条直线Edge。",
|
||
)
|
||
self._set_control_state(
|
||
self.edge_target_length_input,
|
||
can_resize_edge_length,
|
||
"输入当前Edge的目标长度。",
|
||
"请先选择一条Edge。",
|
||
)
|
||
self._set_control_state(
|
||
self.edge_length_anchor_combo,
|
||
can_resize_edge_length,
|
||
"选择修改Edge长度时尽量固定哪一端。",
|
||
"请先选择一条Edge。",
|
||
)
|
||
self._set_control_state(
|
||
self.resize_edge_length_button,
|
||
can_resize_edge_length,
|
||
"修改当前Edge的长度；直线Edge优先局部形变，圆/椭圆/平面曲线优先用局部或径向策略。",
|
||
"请先选择一条Edge。",
|
||
)
|
||
for widget in (self.translate_x_input, self.translate_y_input, self.translate_z_input):
|
||
self._set_control_state(
|
||
widget,
|
||
can_transform_part or can_transform_solid,
|
||
"输入选中零件或 Solid 的平移距离。",
|
||
"请先选择一个零件、Solid，或其所属 Face/Edge。",
|
||
)
|
||
self._set_control_state(
|
||
self.translate_part_button,
|
||
can_transform_part,
|
||
"平移当前选中对象所属零件。",
|
||
"请先选择一个零件，或选择属于某个零件的对象。",
|
||
)
|
||
self._set_control_state(
|
||
self.rotate_part_button,
|
||
can_transform_part,
|
||
"旋转当前选中对象所属零件。",
|
||
"请先选择一个零件，或选择属于某个零件的对象。",
|
||
)
|
||
self._set_control_state(
|
||
self.rotate_axis_combo,
|
||
can_transform_part or can_transform_solid,
|
||
"选择选中零件或 Solid 的旋转轴。",
|
||
"请先选择一个零件、Solid，或其所属 Face/Edge。",
|
||
)
|
||
self._set_control_state(
|
||
self.rotate_angle_input,
|
||
can_transform_part or can_transform_solid,
|
||
"输入选中零件或 Solid 的旋转角度。",
|
||
"请先选择一个零件、Solid，或其所属 Face/Edge。",
|
||
)
|
||
self._set_control_state(
|
||
self.translate_solid_button,
|
||
can_transform_solid,
|
||
"平移当前选中对象所属 Solid。",
|
||
"请先选择一个 Solid，或选择属于某个 Solid 的 Face/Edge。",
|
||
)
|
||
self._set_control_state(
|
||
self.rotate_solid_button,
|
||
can_transform_solid,
|
||
"旋转当前选中对象所属 Solid。",
|
||
"请先选择一个 Solid，或选择属于某个 Solid 的 Face/Edge。",
|
||
)
|
||
self._set_control_state(
|
||
self.cylinders_button,
|
||
has_model,
|
||
"扫描当前模型中的圆柱面候选。",
|
||
"请先加载 STEP 文件。",
|
||
)
|
||
if hasattr(self, "editable_refresh_button"):
|
||
self._set_control_state(
|
||
self.editable_refresh_button,
|
||
has_model,
|
||
"扫描可编辑对象。",
|
||
"请先加载 STEP 文件，或等待当前后台任务完成。",
|
||
)
|
||
self._set_control_state(
|
||
self.editable_deep_scan_button,
|
||
has_model,
|
||
"深度扫描更多可编辑对象。",
|
||
"请先加载 STEP 文件，或等待当前后台任务完成。",
|
||
)
|
||
self._set_control_state(
|
||
self.editable_table,
|
||
has_model and self.editable_table.rowCount() > 0,
|
||
"点击一行可选中对应对象并填入相关编辑参数。",
|
||
"当前没有可编辑对象列表；请先点击扫描对象。",
|
||
)
|
||
if hasattr(self, "candidate_filter_combo"):
|
||
has_cylinder_candidates = has_model and bool(getattr(self, "cylinder_candidates_loaded", False))
|
||
self._set_control_state(
|
||
self.candidate_filter_combo,
|
||
has_cylinder_candidates,
|
||
"筛选已扫描的圆柱面候选。",
|
||
"请先点击扫描圆柱面。",
|
||
)
|
||
self._set_control_state(
|
||
self.cylinder_table,
|
||
has_model and self.cylinder_table.rowCount() > 0,
|
||
"点击一行可选中对应圆柱 Face。",
|
||
"当前没有圆柱面候选列表；请先点击扫描圆柱面。",
|
||
)
|
||
self._set_control_state(
|
||
self.undo_button,
|
||
has_model and bool(self.undo_stack),
|
||
"撤销上一步编辑。",
|
||
"当前没有可撤销的编辑。",
|
||
)
|
||
self._set_control_state(
|
||
self.redo_button,
|
||
has_model and bool(self.redo_stack),
|
||
"重做刚撤销的编辑。",
|
||
"当前没有可重做的编辑。",
|
||
)
|
||
|
||
def _set_control_state(self, widget, enabled: bool, enabled_tip: str, disabled_tip: str) -> None:
|
||
widget.setEnabled(enabled)
|
||
tip = enabled_tip if enabled else disabled_tip
|
||
if hasattr(self, "_set_help_tip"):
|
||
self._set_help_tip(widget, tip)
|
||
else:
|
||
widget.setToolTip(tip)
|
||
|
||
def _selected_action_info(self) -> dict[str, object]:
|
||
if self.model is None:
|
||
return {}
|
||
try:
|
||
if self.selected_kind == "feature" and self.selected_face_id is not None:
|
||
return self.model.feature_info(self.selected_face_id)
|
||
if self.selected_kind == "face" and self.selected_face_id is not None:
|
||
info = self.model.face_info(self.selected_face_id)
|
||
if info.get("surface") in {"cylinder", "plane"}:
|
||
return self.model.feature_info(self.selected_face_id)
|
||
return info
|
||
if self.selected_kind == "edge" and self.selected_edge_id is not None:
|
||
return self.model.edge_info(self.selected_edge_id)
|
||
except Exception:
|
||
return dict(self.current_info_values)
|
||
return dict(self.current_info_values)
|
||
|
||
def _locate_operation_record(self, record: OperationRecord) -> str:
|
||
if self.model is None:
|
||
return ""
|
||
self._reset_selection(clear_highlight=True)
|
||
located = False
|
||
locator_note = ""
|
||
|
||
if record.target_kind in {"face", "feature"} and record.target_id is not None:
|
||
lookup_id = record.target_logical_id if record.target_logical_id is not None else record.target_id
|
||
resolved_face_id = self.model.resolve_face_selection_id(lookup_id)
|
||
if resolved_face_id is not None:
|
||
info = self.model.feature_info(resolved_face_id) if record.target_kind == "feature" else self.model.face_info(resolved_face_id)
|
||
self.selected_kind = "feature" if record.target_kind == "feature" else "face"
|
||
self.selected_face_id = resolved_face_id
|
||
self.selected_part_id = int(info["part_id"])
|
||
self.selected_solid_id = int(info["solid_id"]) if int(info["solid_id"]) >= 0 else None
|
||
self.selected_pick_position = record.pick_position
|
||
self.mode_combo.setCurrentText("Feature" if record.target_kind == "feature" else "Face")
|
||
current_logical_id = self.model.face_region_logical_id(resolved_face_id)
|
||
self._sync_id_picker("Feature" if record.target_kind == "feature" else "Face", current_logical_id)
|
||
face_ids = (
|
||
_int_values(info.get("feature_highlight_face_ids"))
|
||
if record.target_kind == "feature"
|
||
else self.model.face_region_ids(resolved_face_id)
|
||
)
|
||
if not face_ids:
|
||
face_ids = self.model.face_region_ids(resolved_face_id)
|
||
self._highlight_faces(face_ids=face_ids)
|
||
located = True
|
||
region_note = f"；同域面区域 {len(face_ids)} 个Face" if len(face_ids) > 1 else ""
|
||
id_note = (
|
||
f"逻辑 Face ID {current_logical_id}"
|
||
if record.target_logical_id is not None
|
||
else f"Face {record.target_id}"
|
||
)
|
||
if resolved_face_id != record.target_id:
|
||
id_note += f"（当前拓扑Face {resolved_face_id}）"
|
||
locator_note = (
|
||
f"定位: 已尝试高亮当前模型中的 {id_note}{region_note}。"
|
||
"布尔编辑后Face ID可能发生语义变化，请结合拾取点确认。"
|
||
)
|
||
else:
|
||
if record.target_logical_id is not None:
|
||
locator_note = f"定位: 原目标逻辑 Face ID {record.target_logical_id} 在当前模型索引中已经不存在。"
|
||
else:
|
||
locator_note = f"定位: 原目标Face {record.target_id} 在当前模型索引中已经不存在。"
|
||
|
||
elif record.target_kind == "edge" and record.target_id is not None:
|
||
if 0 <= record.target_id < len(self.model.edges):
|
||
info = self.model.edge_info(record.target_id)
|
||
self.selected_kind = "edge"
|
||
self.selected_edge_id = record.target_id
|
||
self.selected_part_id = int(info["part_id"])
|
||
self.selected_solid_id = int(info.get("solid_id", -1)) if int(info.get("solid_id", -1)) >= 0 else None
|
||
self.selected_pick_position = record.pick_position
|
||
self.mode_combo.setCurrentText("Edge")
|
||
self._sync_id_picker("Edge", record.target_id)
|
||
self._highlight_edge(record.target_id)
|
||
located = True
|
||
locator_note = (
|
||
f"定位: 已尝试高亮当前模型中的Edge {record.target_id}。"
|
||
"布尔/倒圆编辑后Edge ID可能发生语义变化，请结合拾取点确认。"
|
||
)
|
||
else:
|
||
locator_note = f"定位: 原目标Edge {record.target_id} 在当前模型索引中已经不存在。"
|
||
|
||
if record.pick_position is not None:
|
||
self._show_pick_marker(record.pick_position)
|
||
if not locator_note:
|
||
locator_note = "定位: 已显示当时记录的拾取点。"
|
||
elif located:
|
||
locator_note += f"\n拾取点: {_format_value(record.pick_position)}"
|
||
else:
|
||
locator_note += f"\n已显示当时记录的拾取点: {_format_value(record.pick_position)}"
|
||
|
||
if not locator_note:
|
||
locator_note = "定位: 这条历史记录没有可定位的目标或拾取点。"
|
||
self._update_action_states()
|
||
self.statusBar().showMessage(locator_note.splitlines()[0])
|
||
return locator_note
|
||
|
||
def undo_edit(self) -> None:
|
||
if self.model is None:
|
||
return
|
||
if self._edit_busy("编辑计算中，暂时不能撤销。"):
|
||
return
|
||
if not self.undo_stack:
|
||
self.statusBar().showMessage("没有可撤销的编辑")
|
||
return
|
||
current = self.model.snapshot()
|
||
snapshot = self.undo_stack[-1]
|
||
undone = self.operation_history[-1] if self.operation_history else OperationRecord("编辑", "编辑")
|
||
try:
|
||
self._restore_snapshot(snapshot)
|
||
except Exception as exc:
|
||
rollback_message = self._restore_after_failed_undo_redo(current)
|
||
QMessageBox.critical(self, "撤销失败", f"{exc}\n\n{rollback_message}")
|
||
self.statusBar().showMessage("撤销失败，模型已尽量恢复到撤销前状态")
|
||
return
|
||
self.undo_stack.pop()
|
||
if self.operation_history:
|
||
self.operation_history.pop()
|
||
self.redo_stack.append(current)
|
||
self.redo_history.append(undone)
|
||
self._refresh_history_list()
|
||
self._update_action_states()
|
||
self.statusBar().showMessage(f"已撤销：{undone.summary}")
|
||
|
||
def redo_edit(self) -> None:
|
||
if self.model is None:
|
||
return
|
||
if self._edit_busy("编辑计算中，暂时不能重做。"):
|
||
return
|
||
if not self.redo_stack:
|
||
self.statusBar().showMessage("没有可重做的编辑")
|
||
return
|
||
current = self.model.snapshot()
|
||
snapshot = self.redo_stack[-1]
|
||
redone = self.redo_history[-1] if self.redo_history else OperationRecord("编辑", "编辑")
|
||
try:
|
||
self._restore_snapshot(snapshot)
|
||
except Exception as exc:
|
||
rollback_message = self._restore_after_failed_undo_redo(current)
|
||
QMessageBox.critical(self, "重做失败", f"{exc}\n\n{rollback_message}")
|
||
self.statusBar().showMessage("重做失败，模型已尽量恢复到重做前状态")
|
||
return
|
||
self.redo_stack.pop()
|
||
if self.redo_history:
|
||
self.redo_history.pop()
|
||
self.undo_stack.append(current)
|
||
self.operation_history.append(redone)
|
||
self._refresh_history_list()
|
||
self._update_action_states()
|
||
self.statusBar().showMessage(f"已重做：{redone.summary}")
|
||
|
||
def _restore_snapshot(self, snapshot: dict[int, object]) -> None:
|
||
if self.model is None:
|
||
return
|
||
self.model.restore_snapshot(snapshot)
|
||
self._reset_selection()
|
||
self._populate_part_tree()
|
||
self._rebuild_scene(reset_camera=False)
|
||
self._clear_editable_candidates()
|
||
self._clear_cylinder_candidates()
|
||
stats = self.model.stats()
|
||
self.set_info(
|
||
{
|
||
"parts": stats.parts,
|
||
"solids": stats.solids,
|
||
"faces": stats.faces,
|
||
"edges": stats.edges,
|
||
"vertices": stats.vertices,
|
||
}
|
||
)
|
||
|
||
def _restore_after_failed_undo_redo(self, snapshot: dict[int, object]) -> str:
|
||
try:
|
||
self._restore_snapshot(snapshot)
|
||
except Exception as rollback_exc:
|
||
return f"恢复原状态也失败：{rollback_exc}。建议重新加载 STEP 文件。"
|
||
return "模型已恢复到操作前状态，历史记录未移动。"
|
||
|