FxMapModel.java 文件源码

public FxMapModel(FxTreeMap treeMap, MapData mapData, double width, double height) {
    modelData = mapData;
    mapItems = new LinkedList<>();
    propertyChangeSupport = new PropertyChangeSupport(FxMapModel.this);
    propertyChangeSupport.addPropertyChangeListener(treeMap);
    style = new TreeMapStyle();
    style.removePropertyChangeListener(FxMapModel.this);
    totalArea = width * height;
    modelData.getChildrenData().forEach(d -> {
        FxMapItem mapItem = new FxMapItem(FxMapModel.this, d);
        mapItems.add(mapItem);
    });
    modelData.addPropertyChangeListener(this::handleModelChange);
}