Areas.java

package uonlineeditor;

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

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

	Areas() {}

	Areas (List<String[]> areas) {
		for (Iterator<String[]> it = areas.iterator(); it.hasNext();) {
			Area ar = new Area(it.next());
			lastId = Math.max (lastId, (int) ar.getParameter(Area.ID));
			this.areas.add(ar);
		}
	}

	static ArrayList<Location> getLocations() {
		ArrayList<Location> ll = new ArrayList<>();
		for (Area a: areas) {
				ll.addAll(a.locs.locs);
		}
		return ll;
	}

	void attachLocations(List<Location> ll) {
		for(Location l: ll) {
			for(Area a: areas) {
				if (a.getParameter(Area.ID) == l.area) {
					a.addLocation(l);
					break;
				}
			}
		}
	}

	static int getLocationId(Object loc) {
		ArrayList<Location> ll = getLocations();
		for (Location l: ll) {
			if (l.getParameter(Location.TITLE) == (String) loc) {
				return l.id;
			}
		}
		return -1;
	}

	static String getLocationById(int id) {
		ArrayList<Location> ll = getLocations();
		for (Location l: ll) {
			if (l.getParameter(Location.ID) == id) {
				return l.title;
			}
		}
		return null;
	}

	int getRowNumberOf(Object obj, int col) {
		for (int i = 0; i < areas.size(); i++) {
			if (areas.get(i).getParameter(col) == obj) {
				return i;
			}
		}
		return -1;
	}

	List<String[]> asData() {
		List<String[]> areas = new ArrayList<>();
		for (Iterator<Area> it = this.areas.iterator(); it.hasNext();) {
			Area i = it.next();
			areas.add(i.asData());
		}
		return areas;
	}

	int addArea(int index) {
		if (index == -1 || index > areas.size() - 1) {
			areas.add(new Area(++lastId));
			return 0;
		}
		else if (areas.size() == index + 1) {
			areas.add(new Area(++lastId));
			return areas.size()-1;
		}
		else {
			areas.add(index + 1, new Area(++lastId));
			return  index + 1;
		}
	}

	void removeArea(int index) {
		areas.remove(index);
	}

	int removeAreas(int[] index) {
		if (index.length == 0 || areas.size() == -1) return -1;
		for (int i = index.length - 1; i >= 0 ; i--) {
			if (index[i] >= areas.size()) continue;
			removeArea(index[i]);
		}
		return index[index.length-1] == areas.size() + 1 - index.length ? areas.size() - 1 : index[0];
	}

	static int size() {
		return areas.size();
	}

	static Area get(int ind) {
		return areas.get(ind);
	}


	public static ArrayList<Area> areas = new ArrayList<>();
	private int lastId = 0;
	public static int lastLocId = 0;

}