/* 
 
Copyright 2006 Rene Grothmann, modified by Eric Hakenholz

This file is part of C.a.R. software.

    C.a.R. is a free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, version 3 of the License.

    C.a.R. is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 */
 
 
 package rene.zirkel.construction;

// file: ConstructionObject.java

import java.util.Enumeration;

import rene.zirkel.objects.ConstructionObject;

public class DepList implements Enumeration {
	ConstructionObject E[] = new ConstructionObject[8];
	int N = 0, I;

	public void reset() {
		N = 0;
	}

	public void add(final ConstructionObject o) {
		if (have(o))
			return;
		if (N < E.length)
			E[N++] = o;
		else {
			final ConstructionObject e[] = new ConstructionObject[E.length + 8];
			for (int i = 0; i < E.length; i++)
				e[i] = E[i];
			E = e;
			E[N++] = o;
		}
	}

	public boolean have(final ConstructionObject o) {
		for (int i = 0; i < N; i++)
			if (E[i] == o)
				return true;
		return false;
	}

	public Enumeration elements() {
		I = 0;
		return this;
	}

	public boolean hasMoreElements() {
		return I < N;
	}

	public Object nextElement() {
		return E[I++];
	}

	public ConstructionObject[] getArray() {
		final ConstructionObject o[] = new ConstructionObject[N];

		for (int i = 0; i < N; i++)
			o[i] = E[i];
		return o;
	}

	public void translate() {
		for (int i = 0; i < N; i++)
			E[i] = E[i].getTranslation();
	}

	public int size() {
		return N;
	}
}