package com.gpl.rpg.atcontentstudio.model.maps;

import java.awt.Image;

import com.gpl.rpg.atcontentstudio.model.GameDataElement;
import com.gpl.rpg.atcontentstudio.ui.DefaultIcons;



public class MapChange extends MapObject {

	public String map_id = null;
	public TMXMap map = null;
	public String place_id = null;
	
	public MapChange(tiled.core.MapObject obj) {
		this.map_id = obj.getProperties().getProperty("map");
		this.place_id = obj.getProperties().getProperty("place");
	}

	@Override
	public void link() {
		if (map_id != null) this.map = parentMap.getProject().getMap(map_id);
		if (map != null) {
			map.addBacklink(parentMap);
		}
		//TODO reinstate this if data validation system ever exist.
//		else Notification.addWarn("Incomplete mapchange area \""+name+"\" in map \""+parentMap.id+"\". This is OK if it's an arrival only (no exit through this point).");
	}
	
	@Override
	public Image getIcon() {
		if (name != null) return DefaultIcons.getTiledIconIcon();
		else return DefaultIcons.getNullifyIcon();
	}
	
	@Override
	public void elementChanged(GameDataElement oldOne, GameDataElement newOne) {
		if (oldOne == map) {
			oldOne.removeBacklink(parentMap);
			map = (TMXMap) newOne;
			if (newOne != null) newOne.addBacklink(parentMap);
		}
	}
	
	@Override
	public void savePropertiesInTmxObject(tiled.core.MapObject tmxObject) {
		if (map != null) {
			tmxObject.getProperties().setProperty("map", map.id);
		} else if (map_id != null) {
			tmxObject.getProperties().setProperty("map", map_id);
		}
		if (place_id != null) {
			tmxObject.getProperties().setProperty("place", place_id);
		}
	}
	
}