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/* *******************************************************************
* Copyright (c) 2002 Palo Alto Research Center, Incorporated (PARC).
* All rights reserved.
* This program and the accompanying materials are made available
* under the terms of the Common Public License v1.0
* which accompanies this distribution and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* PARC initial implementation
* ******************************************************************/
package figures;
import java.util.*;
import java.awt.*;
import java.awt.geom.*;
public class Group implements FigureElement {
private Collection _members;
private String _identifier;
public Group(FigureElement first) {
this._members = new ArrayList();
add(first);
}
public void add(FigureElement fe) {
_members.add(fe);
}
public Iterator members() {
return _members.iterator();
}
public void move(int dx, int dy) {
for (Iterator i = _members.iterator(); i.hasNext(); ) {
FigureElement fe = (FigureElement)i.next();
fe.move(dx, dy);
}
}
public void setIdentifier(String identifier) {
_identifier = identifier;
}
public String toString() {
if (_identifier != null) {
return _identifier;
}
StringBuffer buf = new StringBuffer("Group(");
for (Iterator i = _members.iterator(); i.hasNext(); ) {
buf.append(i.next().toString());
if (i.hasNext()) {
buf.append(", ");
}
}
buf.append(")");
return buf.toString();
}
public Rectangle getBounds() {
Rectangle previous = null;
for (Iterator i = _members.iterator(); i.hasNext(); ) {
FigureElement fe = (FigureElement)i.next();
Rectangle rect = fe.getBounds();
if (previous != null) {
previous = previous.union(rect);
} else {
previous = rect;
}
}
return previous;
}
public boolean contains(Point2D p) {
for (Iterator i = _members.iterator(); i.hasNext(); ) {
FigureElement fe = (FigureElement)i.next();
if (fe.contains(p)) return true;
}
return false;
}
public void paint(Graphics2D g2) {
for (Iterator i = _members.iterator(); i.hasNext(); ) {
FigureElement fe = (FigureElement)i.next();
fe.paint(g2);
}
}
public int size() {
return _members.size();
}
}
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