praktikum-holons/src/holeg/model/GroupNode.java

package holeg.model;

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Set;
import java.util.logging.Logger;
import java.util.stream.Collectors;
import java.util.stream.Stream;

import holeg.preferences.ImagePreference;
import holeg.serialize.PostDeserialize;
import holeg.ui.model.GuiSettings;
import holeg.utility.math.vector.Vec2i;

public class GroupNode extends AbstractCanvasObject implements PostDeserialize {
	private static final Logger log = Logger.getLogger(AbstractCanvasObject.class.getName());

	private final List<HolonObject> objectList = new ArrayList<>();
	private final List<HolonSwitch> switchList = new ArrayList<>();
	private final List<Node> nodeList = new ArrayList<>();
	private final List<GroupNode> groupNodeList = new ArrayList<>();

	public GroupNode(String nodeName) {
		super(nodeName);
	}

	public GroupNode(GroupNode other){
		super(other.name);
		for (HolonObject obj : other.objectList) {
			this.add(new HolonObject(obj));
		}
		for (HolonSwitch sw : other.switchList) {
			this.add(new HolonSwitch(sw));
		}
		for (Node node : other.nodeList) {
			this.add(new Node(node));
		}
		for (GroupNode groupNode : other.groupNodeList) {
			this.add(new GroupNode(groupNode));
		}
	}

	@Override
	public AbstractCanvasObject copy() {
		return new GroupNode(this);
	}




	@Override
	public String getImagePath() {
		return ImagePreference.Canvas.GroupNode;
	}
	public void addAll(Stream<AbstractCanvasObject> stream) {
		stream.forEach(this::add);
	}
	public void addAll(Collection<AbstractCanvasObject> collection) {
		collection.forEach(this::add);
	}
	
	public void add(AbstractCanvasObject object) {
		if (object instanceof HolonObject hObject) {
			objectList.add(hObject);
		}else if(object instanceof HolonSwitch hSwitch) {
			switchList.add(hSwitch);
		}else if(object instanceof Node node) {
			nodeList.add(node);
		}else if(object instanceof GroupNode groupNode) {
			groupNodeList.add(groupNode);
		}
		object.setGroupNode(this);
	}
	
	public void remove(AbstractCanvasObject object) {
		if (object instanceof HolonObject hObject) {
			objectList.remove(hObject);
		}else if(object instanceof HolonSwitch hSwitch) {
			switchList.remove(hSwitch);
		}else if(object instanceof Node node) {
			nodeList.remove(node);
		}else if(object instanceof GroupNode groupNode) {
			groupNodeList.remove(groupNode);
		}
		object.setGroupNode(null);
	}
	public void removeAll(Stream<AbstractCanvasObject> stream){
		stream.forEach(this::remove);
	}
	public void removeAll(Collection<AbstractCanvasObject> collection){
		collection.forEach(this::remove);
	}



	public Stream<AbstractCanvasObject> getObjectsInThisLayer() {
		return Stream.of(objectList.stream(), switchList.stream(), nodeList.stream(), groupNodeList.stream())
				.flatMap(s -> s);
	}

	public Stream<AbstractCanvasObject> getAllObjectsRecursive() {
		Stream<AbstractCanvasObject> objects = Stream.of(objectList.stream(), switchList.stream(), nodeList.stream())
				.flatMap(s -> s);
		return Stream.concat(objects,
				groupNodeList.stream().flatMap(GroupNode::getObjectsInThisLayer));

	}

	public Stream<HolonObject> getAllHolonObjectsRecursive() {
		return Stream.concat(objectList.stream(),
				groupNodeList.stream().flatMap(GroupNode::getAllHolonObjectsRecursive));
	}
	public Stream<HolonSwitch> getAllSwitchObjectsRecursive() {
		return Stream.concat(switchList.stream(),
				groupNodeList.stream().flatMap(GroupNode::getAllSwitchObjectsRecursive));
	}
	public Stream<Node> getAllNodeObjectsRecursive() {
		return Stream.concat(nodeList.stream(),
				groupNodeList.stream().flatMap(GroupNode::getAllNodeObjectsRecursive));
	}
	public Stream<GroupNode> getAllGroupNodeObjectsRecursive() {
		return Stream.concat(groupNodeList.stream(),
				groupNodeList.stream().flatMap(GroupNode::getAllGroupNodeObjectsRecursive));
	}
	
	public Stream<HolonObject> getHolonObjects() {
		return objectList.stream();
	}
	
	public Stream<HolonSwitch> getSwitches() {
		return switchList.stream();
	}
	public Stream<Node> getNodes() {
		return nodeList.stream();
	}
	
	public Stream<GroupNode> getGroupNodes() {
		return groupNodeList.stream();
	}

	public Stream<HolonElement> getHolonElements(){
		return objectList.stream().flatMap(HolonObject::elementsStream);
	}

	public void ungroup(){
		getObjectsInThisLayer().forEach(obj -> {
			obj.setGroupNode(null);
		});
		getGroupNode().ifPresent(parent -> {
			parent.addAll(getObjectsInThisLayer());
			parent.remove(this);
		});

		clear();
	}

	public static Vec2i calculateMiddlePosition(Collection<AbstractCanvasObject> objects){
		Vec2i middle = new Vec2i();
		if(!objects.isEmpty()){
			objects.forEach(obj -> middle.addAssign(obj.getPosition()));
			middle.divideAssign(objects.size());
		}
		return middle;
	}


	public void clear() {
		objectList.clear();
		switchList.clear();
		nodeList.clear();
		groupNodeList.clear();
	}

	@Override
	public void postDeserialize() {
		getObjectsInThisLayer().forEach(obj -> obj.setGroupNode(this));
	}


	@Override
	public String toString(){
		return "" +  objectList + switchList + nodeList +groupNodeList ;
	}
}