fis_lib_measure/lib/process/primitives/urm_trace.dart

import 'package:fis_measure/interfaces/enums/items.dart';
import 'package:fis_measure/interfaces/process/items/item.dart';
import 'package:fis_measure/interfaces/process/items/item_metas.dart';
import 'package:fis_measure/interfaces/process/workspace/point_info.dart';
import 'package:fis_measure/process/primitives/trace.dart';
import 'package:fis_measure/utils/prompt_box.dart';

class URMTrace extends Trace {
  URMTrace(ItemMeta meta, IMeasureItem? parent) : super(meta, parent);

  static URMTrace createURMTrace(ItemMeta meta, [IMeasureItem? parent]) {
    URMTrace trace = URMTrace(meta, parent);
    // trace.calculator = URMTraceCal(trace, type: meta.name);
    trace.isClosed = false;
    return trace;
  }

  @override
  bool onExecuteMouse(PointInfo args) {
    if (waitingResult) return false;
    if (state == ItemStates.finished) {
      if (args.pointType == PointInfoType.mouseDown) {
        state = ItemStates.waiting;
      }
    }

    if (state == ItemStates.waiting) {
      if (args.pointType == PointInfoType.mouseDown) {
        handleMouseDownWhileWaiting(args);
      }
    } else if (state == ItemStates.running) {
      if (args.pointType == PointInfoType.mouseUp) return false;

      feature?.adopt(args);
      if (args.pointType == PointInfoType.mouseDown) {
        handleFinish();
      } else {
        checkAutoSnap(args);
      }
    }
    return true;
  }

  bool waitingResult = false;

  void handleFinish() async {
    feature!.isActive = false;
    waitingResult = true;
    await doCalculateAsync();
    doFeatureFinish();
    doFeatureUpdate(); // 若不执行，子测量将无法自动切换
    PromptBox.dismiss();
    waitingResult = false;
  }
}