001    /**
002     * planningtool - A Planning Tool with Critiquing Support.
003     * 
004     * Copyright (C) 2006 olale
005    
006     * This program is free software; you can redistribute it and/or
007     * modify it under the terms of the GNU General Public License
008     * as published by the Free Software Foundation; either version 2
009     * of the License, or (at your option) any later version.
010    
011     * This program is distributed in the hope that it will be useful,
012     * but WITHOUT ANY WARRANTY; without even the implied warranty of
013     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
014     * GNU General Public License for more details.
015    
016     * You should have received a copy of the GNU General Public License
017     * along with this program; if not, write to the Free Software
018     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
019    
020     * Contact information: 
021     * E-mail: olale@ida.liu.se
022     *         olale@lysator.liu.se
023     */
024    package se.liu.ida.critiquer.activities.parameters;
025    
026    import java.awt.Rectangle;
027    import java.util.ArrayList;
028    /**
029     * A geographical location is modelled using this class. There may be one or
030     * more location parameters that have this Location as their value. They are all
031     * notified when the location changes value.
032     * 
033     * @author olale
034     * 
035     */
036    public class Location {
037    
038            private String name;
039            private Rectangle area = new Rectangle();
040            
041            private ArrayList<LocationParameter> locationParams = new ArrayList<LocationParameter>();
042            
043            public Location(String name,LocationParameter param){
044                    this.name=name;
045                    locationParams.add(param);
046            }
047            
048            public void addParam(LocationParameter param) {
049                    locationParams.add(param);
050            }
051            
052            public void removeParam(LocationParameter param) {
053                    locationParams.remove(param);
054            }
055            
056            public double distanceTo(Location loc) {
057                    int dx = loc.getArea().x-area.x;
058                    int dy = loc.getArea().y-area.y;
059                    return Math.sqrt(dx*dx+dy*dy);
060            }
061            
062            /**
063         * @return Returns the area.
064         */
065            public Rectangle getArea() {
066                    return area;
067            }
068            /**
069         * @param area
070         *            The area to set.
071         */
072            public void setArea(Rectangle area) {
073                    this.area = area;
074                    for (LocationParameter parameter : locationParams) {
075                            parameter.valueChanged();
076                    }
077            }
078            /**
079         * @return Returns the name.
080         */
081            public String getName() {
082                    return name;
083            }
084            /**
085         * @param name
086         *            The name to set.
087         */
088            public void setName(String name) {
089                    this.name = name;
090            }
091    
092            /*
093         * (non-Javadoc)
094         * 
095         * @see java.lang.Object#equals(java.lang.Object)
096         */
097            @Override
098            public boolean equals(Object obj) {
099                    boolean eq=false;
100                    if (obj instanceof Location) {
101                            Location loc = (Location) obj;
102                            eq=loc.toString().equals(toString());
103                    }
104                    return eq;
105            }
106    
107            /*
108         * (non-Javadoc)
109         * 
110         * @see java.lang.Object#toString()
111         */
112            @Override
113            public String toString() {
114                    return name;
115            }
116            
117            
118            
119    }