protected void registerSynchronizers()

in dataflow/src/main/java/jetbrains/mps/diagram/contentDemo/mapper/ContentRootMapper.java [64:117]
49 lines of code
6 McCabe index (conditional complexity)

  protected void registerSynchronizers(SynchronizersConfiguration conf) {
    super.registerSynchronizers(conf);

    Property<String> text = createCell("test", null);
    Property<Integer> x = new ValueProperty<>(75);
    createCell("75", new IntegerHandler(x));
    Property<Integer> y = new ValueProperty<>(75);
    createCell("75", new IntegerHandler(y));
    final Property<Integer> num = new ValueProperty<>(2);
    createCell("2", new IntegerHandler(num));

    myProperties = new ContentProperties(x, y);

    conf.add(Synchronizers.forPropsTwoWay(text, myContent.name));
    conf.add(Synchronizers.forProperty(num, new Runnable() {
      @Override
      public void run() {
        Integer value = num.get();
        int size = myContent.items.size();
        if (value < size) {
          for (int i = 0; i < size - value; i++) {
            myContent.items.remove(0);
          }
        }
        if (value > size) {
          for (int i = 0; i < value - size; i++) {
            myContent.items.add(new ContentItem());
          }
        }
      }
    }));

    conf.add(Synchronizers.forConstantRole(this, getSource(), myView.children(), new MapperFactory<Diagram, View>() {
      @Override
      public Mapper<? extends Diagram, ? extends View> createMapper(Diagram source) {
        return new DiagramMapper(source, new MapperFactory<Block, View>() {
          @Override
          public Mapper<? extends Block, ? extends View> createMapper(Block source) {
            return new BlockWithContentMapper(source, myContent, myProperties);
          }
        });
      }
    }));

    conf.add(Synchronizers.forRegistration(new Supplier<Registration>() {
      @Override
      public Registration get() {
        for (Runnable r: myViewAdders) {
          r.run();
        }
        return Registration.EMPTY;
      }
    }));
  }