fis_lib_measure/lib/process/items/top_item_feature.dart

import 'package:fis_measure/interfaces/process/items/item.dart';
import 'package:fis_measure/interfaces/process/items/item_feature.dart';
import 'package:flutter/painting.dart';

import 'item_feature.dart';
import 'top_item.dart';

abstract class TopMeasureItemFeature extends MeasureItemFeature {
  TopMeasureItemFeature(ITopMeasureItem refItem) : super(refItem);

  @override
  TopMeasureItem get refItem => super.refItem as TopMeasureItem;

  @override
  void paint(Canvas canvas, Size size) {
    for (var item in refItem.childItems) {
      for (var feature in item.measuredFeatures) {
        if (feature.checkCanPaint()) {
          feature.paint(canvas, size);
        }
      }
      item.feature?.paint(canvas, size);
    }
  }

  @override
  void setZoomRect(Rect? rect) {
    zoomRect = rect;
    final List<IMeasureItemFeature> measureFeatures =
        refItem.childItems.expand((item) => item.measuredFeatures).toList();
    for (var feature in measureFeatures) {
      feature.setZoomRect(zoomRect);
    }
    for (var item in refItem.childItems) {
      item.feature?.setZoomRect(rect);
    }
  }
}