Changeset 42 in josm for src/org/openstreetmap

Timestamp:

2006-01-21T19:02:06+01:00 (19 years ago)

Author:

imi

Message:

fixed fancy download world chooser

Location:

src/org/openstreetmap/josm

Files:

• actions/DownloadAction.java (modified) (1 diff)
• data/Preferences.java (modified) (2 diffs)
• data/projection/Epsg4263.java (moved) (moved from src/org/openstreetmap/josm/data/projection/LatitudeLongitude.java ) (2 diffs)
• gui/MapMover.java (modified) (1 diff)
• gui/MapView.java (modified) (6 diffs)
• gui/NavigatableComponent.java (modified) (6 diffs)
• gui/SelectionManager.java (modified) (7 diffs)
• gui/WorldChooser.java (modified) (7 diffs)

src/org/openstreetmap/josm/actions/DownloadAction.java

@@ -110 +110 @@
                         }
                 });
+                wc.addListMarker(bookmarks);
+                wc.addLatLonInputField(latlon);
                 dlg.add(new JScrollPane(bookmarks), GBC.eol().fill());
 

src/org/openstreetmap/josm/data/Preferences.java

@@ -18 +18 @@
 import org.jdom.output.Format;
 import org.jdom.output.XMLOutputter;
-import org.openstreetmap.josm.data.projection.LatitudeLongitude;
+import org.openstreetmap.josm.data.projection.Epsg4263;
 import org.openstreetmap.josm.data.projection.Mercator;
 import org.openstreetmap.josm.data.projection.Projection;
@@ -80 +80 @@
                 new Mercator(),
                 new UTM(),
-                new LatitudeLongitude()
+                new Epsg4263()
         };
 

src/org/openstreetmap/josm/data/projection/Epsg4263.java

@@ -10 +10 @@
  * @author imi
  */
-public class LatitudeLongitude extends Projection {
+public class Epsg4263 extends Projection {
 
         @Override
@@ -26 +26 @@
         @Override
         public String toString() {
-                return "Latitude/Longitude";
+                return "EPSG:4263";
         }
 

src/org/openstreetmap/josm/gui/MapMover.java

@@ -32 +32 @@
         private Cursor oldCursor;
 
+        
         /**
          * Create a new MapMover
-         * @param mapView The map that should be moved.
          */
-        public MapMover(NavigatableComponent mapView) {
-                this.nc = mapView;
+        MapMover(NavigatableComponent navComp) {
+                this.nc = navComp;
                 nc.addMouseListener(this);
                 nc.addMouseMotionListener(this);

src/org/openstreetmap/josm/gui/MapView.java

@@ -11 +11 @@
 import java.util.Collection;
 import java.util.Collections;
-import java.util.HashSet;
 import java.util.LinkedList;
 
@@ -21 +20 @@
 import org.openstreetmap.josm.data.GeoPoint;
 import org.openstreetmap.josm.data.osm.DataSet;
-import org.openstreetmap.josm.data.osm.LineSegment;
 import org.openstreetmap.josm.data.osm.Node;
-import org.openstreetmap.josm.data.osm.OsmPrimitive;
-import org.openstreetmap.josm.data.osm.Track;
 import org.openstreetmap.josm.data.projection.Projection;
 import org.openstreetmap.josm.gui.layer.Layer;
@@ -103 +99 @@
                 // initialize the projection if it is the first layer
                 if (layers.isEmpty())
-                        Main.pref.getProjection().init(layer.getBoundsLatLon());
+                        getProjection().init(layer.getBoundsLatLon());
 
                 // reinitialize layer's data
-                layer.init(Main.pref.getProjection());
+                layer.init(getProjection());
 
                 if (layer instanceof OsmDataLayer) {
@@ -161 +157 @@
         }
 
-        /**
-         * Return the object, that is nearest to the given screen point.
-         * 
-         * First, a node will be searched. If a node within 10 pixel is found, the
-         * nearest node is returned.
-         * 
-         * If no node is found, search for pending line segments.
-         * 
-         * If no such line segment is found, and a non-pending line segment is 
-         * within 10 pixel to p, this segment is returned, except when 
-         * <code>wholeTrack</code> is <code>true</code>, in which case the 
-         * corresponding Track is returned.
-         * 
-         * If no line segment is found and the point is within an area, return that
-         * area.
-         * 
-         * If no area is found, return <code>null</code>.
-         * 
-         * @param p                              The point on screen.
-         * @param lsInsteadTrack Whether the line segment (true) or only the whole
-         *                                               track should be returned.
-         * @return      The primitive, that is nearest to the point p.
-         */
-        public OsmPrimitive getNearest(Point p, boolean lsInsteadTrack) {
-                double minDistanceSq = Double.MAX_VALUE;
-                OsmPrimitive minPrimitive = null;
-
-                // nodes
-                for (Node n : Main.main.ds.nodes) {
-                        if (n.isDeleted())
-                                continue;
-                        Point sp = getScreenPoint(n.coor);
-                        double dist = p.distanceSq(sp);
-                        if (minDistanceSq > dist && dist < 100) {
-                                minDistanceSq = p.distanceSq(sp);
-                                minPrimitive = n;
-                        }
-                }
-                if (minPrimitive != null)
-                        return minPrimitive;
-                
-                // for whole tracks, try the tracks first
-                minDistanceSq = Double.MAX_VALUE;
-                if (!lsInsteadTrack) {
-                        for (Track t : Main.main.ds.tracks) {
-                                if (t.isDeleted())
-                                        continue;
-                                for (LineSegment ls : t.segments) {
-                                        if (ls.isDeleted())
-                                                continue;
-                                        Point A = getScreenPoint(ls.start.coor);
-                                        Point B = getScreenPoint(ls.end.coor);
-                                        double c = A.distanceSq(B);
-                                        double a = p.distanceSq(B);
-                                        double b = p.distanceSq(A);
-                                        double perDist = a-(a-b+c)*(a-b+c)/4/c; // perpendicular distance squared
-                                        if (perDist < 100 && minDistanceSq > perDist && a < c+100 && b < c+100) {
-                                                minDistanceSq = perDist;
-                                                minPrimitive = t;
-                                        }
-                                }                       
-                        }
-                        if (minPrimitive != null)
-                                return minPrimitive;
-                }
-                
-                minDistanceSq = Double.MAX_VALUE;
-                // line segments
-                for (LineSegment ls : Main.main.ds.lineSegments) {
-                        if (ls.isDeleted())
-                                continue;
-                        Point A = getScreenPoint(ls.start.coor);
-                        Point B = getScreenPoint(ls.end.coor);
-                        double c = A.distanceSq(B);
-                        double a = p.distanceSq(B);
-                        double b = p.distanceSq(A);
-                        double perDist = a-(a-b+c)*(a-b+c)/4/c; // perpendicular distance squared
-                        if (perDist < 100 && minDistanceSq > perDist && a < c+100 && b < c+100) {
-                                minDistanceSq = perDist;
-                                minPrimitive = ls;
-                        }
-                }
-
-                return minPrimitive;
-        }
-
-        /**
-         * @return A list of all objects that are nearest to 
-         * the mouse. To do this, first the nearest object is 
-         * determined.
-         * 
-         * If its a node, return all line segments and
-         * streets the node is part of, as well as all nodes
-         * (with their line segments and tracks) with the same
-         * location.
-         * 
-         * If its a line segment, return all tracks this segment 
-         * belongs to as well as all line segments that are between
-         * the same nodes (in both direction) with all their tracks.
-         * 
-         * @return A collection of all items or <code>null</code>
-         *              if no item under or near the point. The returned
-         *              list is never empty.
-         */
-        public Collection<OsmPrimitive> getAllNearest(Point p) {
-                OsmPrimitive osm = getNearest(p, true);
-                if (osm == null)
-                        return null;
-                Collection<OsmPrimitive> c = new HashSet<OsmPrimitive>();
-                c.add(osm);
-                if (osm instanceof Node) {
-                        Node node = (Node)osm;
-                        for (Node n : Main.main.ds.nodes)
-                                if (!n.isDeleted() && n.coor.equalsLatLon(node.coor))
-                                        c.add(n);
-                        for (LineSegment ls : Main.main.ds.lineSegments)
-                                // line segments never match nodes, so they are skipped by contains
-                                if (!ls.isDeleted() && (c.contains(ls.start) || c.contains(ls.end)))
-                                        c.add(ls);
-                } 
-                if (osm instanceof LineSegment) {
-                        LineSegment line = (LineSegment)osm;
-                        for (LineSegment ls : Main.main.ds.lineSegments)
-                                if (!ls.isDeleted() && ls.equalPlace(line))
-                                        c.add(ls);
-                }
-                if (osm instanceof Node || osm instanceof LineSegment) {
-                        for (Track t : Main.main.ds.tracks) {
-                                if (t.isDeleted())
-                                        continue;
-                                for (LineSegment ls : t.segments) {
-                                        if (!ls.isDeleted() && c.contains(ls)) {
-                                                c.add(t);
-                                                break;
-                                        }
-                                }
-                        }
-                }
-                return c;
-        }
-        
         /**
          * Draw the component.
@@ -378 +233 @@
                                 // no bounds means standard scale and center 
                                 center = new GeoPoint(51.526447, -0.14746371);
-                                Main.pref.getProjection().latlon2xy(center);
+                                getProjection().latlon2xy(center);
                                 scale = 10;
                         } else {
                                 center = bounds.centerXY();
-                                Main.pref.getProjection().xy2latlon(center);
+                                getProjection().xy2latlon(center);
                                 double scaleX = (bounds.max.x-bounds.min.x)/w;
                                 double scaleY = (bounds.max.y-bounds.min.y)/h;
@@ -483 +338 @@
         public void stateChanged(ChangeEvent e) {
                 // reset all datasets.
-                Projection p = Main.pref.getProjection();
+                Projection p = getProjection();
                 for (Node n : Main.main.ds.nodes)
                         p.latlon2xy(n.coor);

src/org/openstreetmap/josm/gui/NavigatableComponent.java

@@ -2 +2 @@
 
 import java.awt.Point;
+import java.util.Collection;
+import java.util.HashSet;
 
 import javax.swing.JComponent;
@@ -7 +9 @@
 import org.openstreetmap.josm.Main;
 import org.openstreetmap.josm.data.GeoPoint;
+import org.openstreetmap.josm.data.osm.LineSegment;
+import org.openstreetmap.josm.data.osm.Node;
+import org.openstreetmap.josm.data.osm.OsmPrimitive;
+import org.openstreetmap.josm.data.osm.Track;
+import org.openstreetmap.josm.data.projection.Projection;
 
 /**
@@ -17 +24 @@
 
         /**
-         * The scale factor in meter per pixel.
+         * The scale factor in x or y-units per pixel. This means, if scale = 10,
+         * every physical pixel on screen are 10 x or 10 y units in the 
+         * northing/easting space of the projection.
          */
         protected double scale;
@@ -58 +67 @@
         public GeoPoint getPoint(int x, int y, boolean latlon) {
                 GeoPoint p = new GeoPoint();
-                p.x = (x - getWidth()/2.0)*scale + center.x;
-                p.y = (getHeight()/2.0 - y)*scale + center.y;
+                p.x = center.x + (x - getWidth()/2.0)*scale;
+                p.y = center.y - (y - getHeight()/2.0)*scale;
                 if (latlon)
-                        Main.pref.getProjection().xy2latlon(p);
+                        getProjection().xy2latlon(p);
                 return p;
         }
@@ -79 +88 @@
                                 throw new IllegalArgumentException("point: Either lat/lon or x/y must be set.");
                         p = point.clone();
-                        Main.pref.getProjection().latlon2xy(p);
-                }
-                int x = ((int)Math.round((p.x-center.x) / scale + getWidth()/2));
-                int y = ((int)Math.round((center.y-p.y) / scale + getHeight()/2));
-                return new Point(x,y);
+                        getProjection().latlon2xy(p);
+                }
+                double x = (p.x-center.x)/scale + getWidth()/2;
+                double y = (center.y-p.y)/scale + getHeight()/2;
+                return new Point((int)x,(int)y);
         }
 
@@ -93 +102 @@
          */
         public void zoomTo(GeoPoint newCenter, double scale) {
-                System.out.println(scale);
                 center = newCenter.clone();
-                Main.pref.getProjection().xy2latlon(center);
+                getProjection().xy2latlon(center);
                 this.scale = scale;
                 repaint();
         }
+
+        /**
+         * Return the object, that is nearest to the given screen point.
+         * 
+         * First, a node will be searched. If a node within 10 pixel is found, the
+         * nearest node is returned.
+         * 
+         * If no node is found, search for pending line segments.
+         * 
+         * If no such line segment is found, and a non-pending line segment is 
+         * within 10 pixel to p, this segment is returned, except when 
+         * <code>wholeTrack</code> is <code>true</code>, in which case the 
+         * corresponding Track is returned.
+         * 
+         * If no line segment is found and the point is within an area, return that
+         * area.
+         * 
+         * If no area is found, return <code>null</code>.
+         * 
+         * @param p                              The point on screen.
+         * @param lsInsteadTrack Whether the line segment (true) or only the whole
+         *                                               track should be returned.
+         * @return      The primitive, that is nearest to the point p.
+         */
+        public OsmPrimitive getNearest(Point p, boolean lsInsteadTrack) {
+                double minDistanceSq = Double.MAX_VALUE;
+                OsmPrimitive minPrimitive = null;
+        
+                // nodes
+                for (Node n : Main.main.ds.nodes) {
+                        if (n.isDeleted())
+                                continue;
+                        Point sp = getScreenPoint(n.coor);
+                        double dist = p.distanceSq(sp);
+                        if (minDistanceSq > dist && dist < 100) {
+                                minDistanceSq = p.distanceSq(sp);
+                                minPrimitive = n;
+                        }
+                }
+                if (minPrimitive != null)
+                        return minPrimitive;
+                
+                // for whole tracks, try the tracks first
+                minDistanceSq = Double.MAX_VALUE;
+                if (!lsInsteadTrack) {
+                        for (Track t : Main.main.ds.tracks) {
+                                if (t.isDeleted())
+                                        continue;
+                                for (LineSegment ls : t.segments) {
+                                        if (ls.isDeleted())
+                                                continue;
+                                        Point A = getScreenPoint(ls.start.coor);
+                                        Point B = getScreenPoint(ls.end.coor);
+                                        double c = A.distanceSq(B);
+                                        double a = p.distanceSq(B);
+                                        double b = p.distanceSq(A);
+                                        double perDist = a-(a-b+c)*(a-b+c)/4/c; // perpendicular distance squared
+                                        if (perDist < 100 && minDistanceSq > perDist && a < c+100 && b < c+100) {
+                                                minDistanceSq = perDist;
+                                                minPrimitive = t;
+                                        }
+                                }                       
+                        }
+                        if (minPrimitive != null)
+                                return minPrimitive;
+                }
+                
+                minDistanceSq = Double.MAX_VALUE;
+                // line segments
+                for (LineSegment ls : Main.main.ds.lineSegments) {
+                        if (ls.isDeleted())
+                                continue;
+                        Point A = getScreenPoint(ls.start.coor);
+                        Point B = getScreenPoint(ls.end.coor);
+                        double c = A.distanceSq(B);
+                        double a = p.distanceSq(B);
+                        double b = p.distanceSq(A);
+                        double perDist = a-(a-b+c)*(a-b+c)/4/c; // perpendicular distance squared
+                        if (perDist < 100 && minDistanceSq > perDist && a < c+100 && b < c+100) {
+                                minDistanceSq = perDist;
+                                minPrimitive = ls;
+                        }
+                }
+        
+                return minPrimitive;
+        }
+
+        /**
+         * @return A list of all objects that are nearest to 
+         * the mouse. To do this, first the nearest object is 
+         * determined.
+         * 
+         * If its a node, return all line segments and
+         * streets the node is part of, as well as all nodes
+         * (with their line segments and tracks) with the same
+         * location.
+         * 
+         * If its a line segment, return all tracks this segment 
+         * belongs to as well as all line segments that are between
+         * the same nodes (in both direction) with all their tracks.
+         * 
+         * @return A collection of all items or <code>null</code>
+         *              if no item under or near the point. The returned
+         *              list is never empty.
+         */
+        public Collection<OsmPrimitive> getAllNearest(Point p) {
+                OsmPrimitive osm = getNearest(p, true);
+                if (osm == null)
+                        return null;
+                Collection<OsmPrimitive> c = new HashSet<OsmPrimitive>();
+                c.add(osm);
+                if (osm instanceof Node) {
+                        Node node = (Node)osm;
+                        for (Node n : Main.main.ds.nodes)
+                                if (!n.isDeleted() && n.coor.equalsLatLon(node.coor))
+                                        c.add(n);
+                        for (LineSegment ls : Main.main.ds.lineSegments)
+                                // line segments never match nodes, so they are skipped by contains
+                                if (!ls.isDeleted() && (c.contains(ls.start) || c.contains(ls.end)))
+                                        c.add(ls);
+                } 
+                if (osm instanceof LineSegment) {
+                        LineSegment line = (LineSegment)osm;
+                        for (LineSegment ls : Main.main.ds.lineSegments)
+                                if (!ls.isDeleted() && ls.equalPlace(line))
+                                        c.add(ls);
+                }
+                if (osm instanceof Node || osm instanceof LineSegment) {
+                        for (Track t : Main.main.ds.tracks) {
+                                if (t.isDeleted())
+                                        continue;
+                                for (LineSegment ls : t.segments) {
+                                        if (!ls.isDeleted() && c.contains(ls)) {
+                                                c.add(t);
+                                                break;
+                                        }
+                                }
+                        }
+                }
+                return c;
+        }
+        
+        /**
+         * @return The projection to be used in calculating stuff.
+         */
+        protected Projection getProjection() {
+                return Main.pref.getProjection();
+        }
 }

src/org/openstreetmap/josm/gui/SelectionManager.java

@@ -89 +89 @@
         private Point mousePos;
         /**
-         * The MapView, the selection rectangle is drawn onto.
-         */
-        private final MapView mv;
+         * The Component, the selection rectangle is drawn onto.
+         */
+        private final NavigatableComponent nc;
         /**
          * Whether the selection rectangle must obtain the aspect ratio of the 
@@ -105 +105 @@
          * @param aspectRatio If true, the selection window must obtain the aspect
          *              ratio of the drawComponent.
-         * @param mapView The view, the rectangle is drawn onto.
-         */
-        public SelectionManager(SelectionEnded selectionEndedListener, boolean aspectRatio, MapView mapView) {
+         * @param navComp The component, the rectangle is drawn onto.
+         */
+        public SelectionManager(SelectionEnded selectionEndedListener, boolean aspectRatio, NavigatableComponent navComp) {
                 this.selectionEndedListener = selectionEndedListener;
                 this.aspectRatio = aspectRatio;
-                this.mv = mapView;
+                this.nc = navComp;
         }
         
@@ -196 +196 @@
                 if (mousePos == null || mousePosStart == null || mousePos == mousePosStart)
                         return;
-                Graphics g = mv.getGraphics();
+                Graphics g = nc.getGraphics();
                 g.setColor(Color.BLACK);
                 g.setXORMode(Color.WHITE);
@@ -224 +224 @@
                 if (aspectRatio) {
                         // keep the aspect ration by shrinking the rectangle
-                        double aspectRatio = (double)mv.getWidth()/mv.getHeight();
+                        double aspectRatio = (double)nc.getWidth()/nc.getHeight();
                         if ((double)w/h > aspectRatio) {
                                 int neww = (int)(h*aspectRatio);
@@ -267 +267 @@
 
                 if (clicked) {
-                        OsmPrimitive osm = mv.getNearest(center, alt);
+                        OsmPrimitive osm = nc.getNearest(center, alt);
                         if (osm != null)
                                 selection.add(osm);
@@ -273 +273 @@
                         // nodes
                         for (Node n : Main.main.ds.nodes) {
-                                if (r.contains(mv.getScreenPoint(n.coor)))
+                                if (r.contains(nc.getScreenPoint(n.coor)))
                                         selection.add(n);
                         }
@@ -310 +310 @@
         private boolean rectangleContainLineSegment(Rectangle r, boolean alt, LineSegment ls) {
                 if (alt) {
-                        Point p1 = mv.getScreenPoint(ls.start.coor);
-                        Point p2 = mv.getScreenPoint(ls.end.coor);
+                        Point p1 = nc.getScreenPoint(ls.start.coor);
+                        Point p2 = nc.getScreenPoint(ls.end.coor);
                         if (r.intersectsLine(p1.x, p1.y, p2.x, p2.y))
                                 return true;
                 } else {
-                        if (r.contains(mv.getScreenPoint(ls.start.coor))
-                                        && r.contains(mv.getScreenPoint(ls.end.coor)))
+                        if (r.contains(nc.getScreenPoint(ls.start.coor))
+                                        && r.contains(nc.getScreenPoint(ls.end.coor)))
                                 return true;
                 }

src/org/openstreetmap/josm/gui/WorldChooser.java

@@ -4 +4 @@
 import java.awt.Dimension;
 import java.awt.Graphics;
+import java.awt.Point;
+import java.awt.Rectangle;
+import java.awt.event.KeyAdapter;
+import java.awt.event.KeyEvent;
+import java.awt.event.KeyListener;
+import java.beans.PropertyChangeListener;
 import java.net.URL;
 
 import javax.swing.ImageIcon;
+import javax.swing.JComponent;
+import javax.swing.JTextField;
+import javax.swing.SwingUtilities;
 import javax.swing.event.ListSelectionEvent;
 import javax.swing.event.ListSelectionListener;
 
 import org.openstreetmap.josm.Main;
+import org.openstreetmap.josm.data.Bounds;
 import org.openstreetmap.josm.data.GeoPoint;
+import org.openstreetmap.josm.data.projection.Projection;
 import org.openstreetmap.josm.gui.BookmarkList.Bookmark;
+import org.openstreetmap.josm.gui.SelectionManager.SelectionEnded;
 
 /**
@@ -30 +42 @@
 
         /**
+         * Maximum scale level
+         */
+        private double scaleMax;
+        
+        /**
          * Mark this rectangle (lat/lon values) when painting.
          */
-        protected double[] markerRect;
-
+        protected Bounds marker;
+
+        private Projection projection;
+        
         /**
          * Create the chooser component.
@@ -40 +59 @@
                 URL path = Main.class.getResource("/images/world.jpg");
                 world = new ImageIcon(path);
-                center = new GeoPoint(0,0,30,165);
+                center = new GeoPoint(0,0,world.getIconWidth()/2, world.getIconHeight()/2);
                 setPreferredSize(new Dimension(200, 100));
-                //new MapMover(this);
+                new MapMover(this);
+                projection = new Projection(){
+                        @Override
+                        public void latlon2xy(GeoPoint p) {
+                                p.x = (p.lon+180) / 360 * world.getIconWidth();
+                                p.y = (p.lat+90) / 180 * world.getIconHeight();
+                        }
+                        @Override
+                        public void xy2latlon(GeoPoint p) {
+                                p.lon = p.x*360/world.getIconWidth() - 180;
+                                p.lat = p.y*180/world.getIconHeight() - 90;
+                        }
+                        @Override
+                        public String toString() {
+                                return "WorldChooser";
+                        }
+                        @Override
+                        public JComponent getConfigurationPanel() {
+                                return null;
+                        }
+                        @Override
+                        public void commitConfigurationPanel() {
+                        }
+                };
         }
 
@@ -52 +94 @@
         public void setPreferredSize(Dimension preferredSize) {
                 super.setPreferredSize(preferredSize);
-                scale = 60/preferredSize.getWidth();
+                scale = world.getIconWidth()/preferredSize.getWidth();
+                scaleMax = scale;
         }
 
@@ -61 +104 @@
         @Override
         public void paint(Graphics g) {
-                int x1 = getScreenPoint(new GeoPoint(0,0,0,180)).x;
-                int y1 = getScreenPoint(new GeoPoint(0,0,0,180)).y;
-                int x2 = getScreenPoint(new GeoPoint(0,0,360,0)).x;
-                int y2 = getScreenPoint(new GeoPoint(0,0,360,0)).y;
-                System.out.println(x1+" "+y1+" "+x2+" "+y2);
-                System.out.println(center.x+" "+center.y+" "+(scale*getWidth()));
-                g.drawImage(world.getImage(),0,0,getWidth(),getHeight(),x1,y1,x2,y2, null);
-                g.setColor(Color.WHITE);
-                
+                GeoPoint tl = getPoint(0,0,false);
+                GeoPoint br = getPoint(getWidth(),getHeight(),false);
+                g.drawImage(world.getImage(),0,0,getWidth(),getHeight(),(int)tl.x,(int)tl.y,(int)br.x,(int)br.y, null);
+
                 // draw marker rect
-                //TODO
+                if (marker != null) {
+                        Point p1 = getScreenPoint(marker.min);
+                        Point p2 = getScreenPoint(marker.max);
+                        double x = Math.min(p1.x, p2.x);
+                        double y = Math.min(p1.y, p2.y);
+                        double w = Math.max(p1.x, p2.x) - x;
+                        double h = Math.max(p1.y, p2.y) - y;
+                        if (w < 1)
+                                w = 1;
+                        if (h < 1)
+                                h = 1;
+                        g.setColor(Color.YELLOW);
+                        g.drawRect((int)x, (int)y, (int)w, (int)h);
+                }
         }
 
@@ -77 +128 @@
         @Override
         public void zoomTo(GeoPoint newCenter, double scale) {
-                if (getWidth() != 0 && scale < 60.0/getWidth())
-                        scale = 60.0/getWidth();
+                if (getWidth() != 0 && scale > scaleMax)
+                        scale = scaleMax;
                 super.zoomTo(newCenter, scale);
         }
-        
+
         /**
          * Show the selection bookmark in the world.
@@ -89 +140 @@
                         public void valueChanged(ListSelectionEvent e) {
                                 Bookmark b = (Bookmark)list.getSelectedValue();
-                                if (b != null)
-                                        markerRect = b.latlon;
-                                else
-                                        markerRect = null;
+                                if (b != null) {
+                                        marker = new Bounds(new GeoPoint(b.latlon[0],b.latlon[1]),
+                                                        new GeoPoint(b.latlon[2],b.latlon[3]));
+                                } else
+                                        marker = null;
                                 repaint();
                         }
                 });
         }
+
+        /**
+         * Update edit fields and react upon changes.
+         * @param field Must have exactly 4 entries (min lat to max lon)
+         */
+        public void addLatLonInputField(final JTextField[] field) {
+                if (field.length != 4)
+                        throw new IllegalArgumentException();
+
+                // listener that invokes updateMarkerFromTextField after all
+                // messages are dispatched and so text fields are updated.
+                KeyListener listener = new KeyAdapter(){
+                        @Override
+                        public void keyTyped(KeyEvent e) {
+                                SwingUtilities.invokeLater(new Runnable(){
+                                        public void run() {
+                                                updateMarkerFromTextFields(field);
+                                        }
+                                });
+                        }
+                };
+
+                for (JTextField f : field)
+                        f.addKeyListener(listener);
+
+                SelectionEnded selListener = new SelectionEnded(){
+                        public void selectionEnded(Rectangle r, boolean alt, boolean shift, boolean ctrl) {
+                                GeoPoint min = getPoint(r.x, r.y+r.height, true);
+                                GeoPoint max = getPoint(r.x+r.width, r.y, true);
+                                marker = new Bounds(min, max);
+                                field[0].setText(""+min.lat);
+                                field[1].setText(""+min.lon);
+                                field[2].setText(""+max.lat);
+                                field[3].setText(""+max.lon);
+                                for (JTextField f : field)
+                                        f.setCaretPosition(0);
+                                repaint();
+                        }
+                        public void addPropertyChangeListener(PropertyChangeListener listener) {}
+                        public void removePropertyChangeListener(PropertyChangeListener listener) {}
+                };
+                SelectionManager sm = new SelectionManager(selListener, false, this);
+                sm.register(this);
+                updateMarkerFromTextFields(field);
+        }
+
+        /**
+         * Update the marker field from the values of the given textfields
+         */
+        private void updateMarkerFromTextFields(JTextField[] field) {
+                // try to read all values
+                double v[] = new double[field.length];
+                for (int i = 0; i < field.length; ++i) {
+                        try {
+                                v[i] = Double.parseDouble(field[i].getText());
+                        } catch (NumberFormatException nfe) {
+                                return;
+                        }
+                }
+
+                marker = new Bounds(new GeoPoint(v[0], v[1]), new GeoPoint(v[2], v[3]));
+                repaint();
+        }
+
+        /**
+         * Always use our image projection mode.
+         */
+        @Override
+        protected Projection getProjection() {
+                return projection;
+        }
 }