Locations.java

package uonlineeditor;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

/**
 *
 * @author houjing
 */
public class Locations {

	public ArrayList<Location> locs = new ArrayList<>();

	public int areaId;
	public Integer lastId = 0;
	public int selected = -1;

	Locations (int areaId) {
		this.areaId = areaId;
	}

	Locations (List<String[]> locs) {
		for (Iterator<String[]> it = locs.iterator(); it.hasNext();) {
			Location l = new Location(it.next());
			lastId = Math.max(lastId, l.id);
			this.locs.add(l);
		}
	}

	static List<String[]> asData(List<Location> ll) {
		List<String[]> csv = new ArrayList<>();
		for(Location l: ll) {
			csv.add(l.asData());
		}
		return csv;
	}

	int getIndexOf(Object obj, int param) {
		for (int i = 0; i < locs.size(); i++) {
			if (locs.get(i).getParameter(param) == obj) {
				return i;
			}
		}
		return -1;
	}

	Location getSelected() {
		if (selected == -1 || selected > locs.size() - 1) return null;
		return locs.get(selected);
	}

	void addLocation() {
		if (selected == -1 || selected > locs.size() - 1) {
			locs.add(new Location(areaId, ++Areas.lastLocId));
			selected = 0;
		}
		else if (locs.size() == selected + 1) {
			locs.add(new Location(areaId, ++Areas.lastLocId));
			selected = locs.size()-1;
		}
		else {
			locs.add(selected + 1, new Location(areaId, ++Areas.lastLocId));
			selected = selected + 1;
		}
	}

	void removeLocation() {
		if(selected == -1) return;
		locs.remove(selected);
		selected--;
		if(selected == -1 && !locs.isEmpty()) selected=0;
	}

}