Index: /applications/editors/josm/plugins/DirectUpload/src/org/openstreetmap/josm/plugins/DirectUpload/UploadDataGui.java
===================================================================
--- /applications/editors/josm/plugins/DirectUpload/src/org/openstreetmap/josm/plugins/DirectUpload/UploadDataGui.java	(revision 24235)
+++ /applications/editors/josm/plugins/DirectUpload/src/org/openstreetmap/josm/plugins/DirectUpload/UploadDataGui.java	(revision 24236)
@@ -20,16 +20,14 @@
 import java.net.HttpURLConnection;
 import java.net.URL;
-import java.nio.ByteBuffer;
-import java.nio.CharBuffer;
-import java.nio.charset.Charset;
-import java.nio.charset.CharsetEncoder;
 import java.text.DecimalFormat;
 import java.text.SimpleDateFormat;
+import java.util.Collections;
 import java.util.Date;
+import java.util.LinkedList;
+import java.util.List;
 
 import javax.swing.JComboBox;
 import javax.swing.JLabel;
 import javax.swing.JPanel;
-import javax.swing.JTextField;
 
 import org.openstreetmap.josm.Main;
@@ -37,11 +35,8 @@
 import org.openstreetmap.josm.gui.ExtendedDialog;
 import org.openstreetmap.josm.gui.JMultilineLabel;
-import org.openstreetmap.josm.gui.MapView;
 import org.openstreetmap.josm.gui.PleaseWaitRunnable;
-import org.openstreetmap.josm.gui.layer.GpxLayer;
-import org.openstreetmap.josm.gui.layer.Layer;
 import org.openstreetmap.josm.gui.progress.ProgressMonitor;
+import org.openstreetmap.josm.gui.widgets.HistoryComboBox;
 import org.openstreetmap.josm.io.GpxWriter;
-import org.openstreetmap.josm.tools.Base64;
 import org.openstreetmap.josm.tools.GBC;
 import org.openstreetmap.josm.tools.UrlLabel;
@@ -49,7 +44,8 @@
 /**
  *
- * @author  subhodip, xeen
+ * @author  subhodip, xeen, ax
  */
 public class UploadDataGui extends ExtendedDialog {
+    
     /**
      * This enum contains the possible values for the visibility field and their
@@ -87,9 +83,4 @@
     }
 
-
-    // User for log in when uploading trace
-    private String username = Main.pref.get("osm-server.username");
-    private String password = Main.pref.get("osm-server.password");
-
     // Fields are declared here for easy access
     // Do not remove the space in JMultilineLabel. Otherwise the label will be empty
@@ -97,7 +88,7 @@
     // lead to unnecessary scrollbars.
     private JMultilineLabel OutputDisplay = new JMultilineLabel(" ");
-    private JTextField descriptionField = new JTextField(50);
-    private JTextField tagsField = new JTextField(50);
-    private JComboBox visibilityCombo = new JComboBox();
+    private HistoryComboBox descriptionField;
+    private HistoryComboBox tagsField;
+    private JComboBox visibilityCombo;
 
     // Constants used when generating upload request
@@ -107,10 +98,6 @@
     private static final String uploadTraceText = tr("Upload Trace");
 
-    // Filename and current date. Date will be used as fallback if filename not available
-    private String datename = new SimpleDateFormat("yyMMddHHmmss").format(new Date());
-    private String filename = "";
-
     private boolean cancelled = false;
-
+    
     public UploadDataGui() {
         // Initalizes ExtendedDialog
@@ -121,10 +108,11 @@
         );
         JPanel content = initComponents();
-        autoSelectTrace();
+        GpxData gpxData = UploadOsmConnection.getInstance().autoSelectTrace();
+        initTitleAndDescriptionFromGpxData(gpxData);    // this is changing some dialog elements, so it (probably) must be before the following  
         setContent(content);
         setButtonIcons(new String[] { "uploadtrace.png", "cancel.png" });
         setupDialog();
 
-        buttons.get(0).setEnabled(!checkForGPXLayer());
+        buttons.get(0).setEnabled(gpxData != null);
     }
 
@@ -134,16 +122,37 @@
      */
     private JPanel initComponents() {
+        // visibilty
         JLabel visibilityLabel = new JLabel(tr("Visibility"));
         visibilityLabel.setToolTipText(tr("Defines the visibility of your trace for other OSM users."));
+        
+        visibilityCombo = new JComboBox();
+        visibilityCombo.setEditable(false);
         for(visibility v : visibility.values()) {
             visibilityCombo.addItem(v.description);
         }
+        visibilityCombo.setSelectedItem(visibility.valueOf(Main.pref.get("directupload.visibility.last-used", visibility.PRIVATE.name())).description);
         UrlLabel visiUrl = new UrlLabel(tr("http://wiki.openstreetmap.org/wiki/Visibility_of_GPS_traces"), tr("(What does that mean?)"));
 
+        // description
         JLabel descriptionLabel = new JLabel(tr("Description"));
+        descriptionField = new HistoryComboBox();
         descriptionField.setToolTipText(tr("Please enter Description about your trace."));
-
+        
+        List<String> descHistory = new LinkedList<String>(Main.pref.getCollection("directupload.description.history", new LinkedList<String>()));
+        // we have to reverse the history, because ComboBoxHistory will reverse it againin addElement()
+        // XXX this should be handled in HistoryComboBox
+        Collections.reverse(descHistory);
+        descriptionField.setPossibleItems(descHistory);
+
+        // tags
         JLabel tagsLabel = new JLabel(tr("Tags (comma delimited)"));
+        tagsField = new HistoryComboBox();
         tagsField.setToolTipText(tr("Please enter tags about your trace."));
+
+        List<String> tagsHistory = new LinkedList<String>(Main.pref.getCollection("directupload.tags.history", new LinkedList<String>()));
+        // we have to reverse the history, because ComboBoxHistory will reverse it againin addElement()
+        // XXX this should be handled in HistoryComboBox
+        Collections.reverse(tagsHistory);
+        tagsField.setPossibleItems(tagsHistory);
 
         JPanel p = new JPanel(new GridBagLayout());
@@ -165,34 +174,16 @@
     }
 
-    /**
-     * This function will automatically select a GPX layer if it's the only one.
-     * If a GPX layer is found, its filename will be parsed and displayed
-     */
-    private void autoSelectTrace() {
-        // If no GPX layer is selected, select one for the user if there is only one GPX layer
-        if(Main.map != null && Main.map.mapView != null) {
-            MapView mv=Main.map.mapView;
-            if(!(mv.getActiveLayer() instanceof GpxLayer)) {
-                Layer lastLayer=null;
-                int layerCount=0;
-                for (Layer l : mv.getAllLayers()) {
-                    if(l instanceof GpxLayer) {
-                        lastLayer = l;
-                        layerCount++;
-                    }
-                }
-                if(layerCount == 1) mv.setActiveLayer(lastLayer);
-            }
-
-            if(mv.getActiveLayer() instanceof GpxLayer) {
-                GpxData data=((GpxLayer)Main.map.mapView.getActiveLayer()).data;
-                try {
-                    filename = data.storageFile.getName()
-                                    .replaceAll("[&?/\\\\]"," ").replaceAll("(\\.[^.]*)$","");
-                } catch(Exception e) { }
-                descriptionField.setText(getFilename());
-                OutputDisplay.setText(tr("Selected track: {0}", getFilename()));
-            }
-        }
+    private void initTitleAndDescriptionFromGpxData(GpxData gpxData) {
+      String description, title;
+      try {
+          description = gpxData.storageFile.getName().replaceAll("[&?/\\\\]"," ").replaceAll("(\\.[^.]*)$","");
+          title = tr("Selected track: {0}", gpxData.storageFile.getName());
+      }
+      catch(Exception e) {
+          description = new SimpleDateFormat("yyMMddHHmmss").format(new Date()); 
+          title = tr("No GPX layer selected. Cannot upload a trace.");
+      }
+      OutputDisplay.setText(title);
+      descriptionField.setText(description);
     }
 
@@ -205,51 +196,52 @@
      */
     private void upload(String description, String tags, String visi, GpxData gpxData, ProgressMonitor progressMonitor) throws IOException {
-        progressMonitor.beginTask(null);
+        progressMonitor.beginTask(tr("Uploading trace ..."));
         try {
-            if(checkForErrors(username, password, description, gpxData))
+            if (checkForErrors(description, gpxData)) {
                 return;
+            }
 
             // Clean description/tags from disallowed chars
-            description = description.replaceAll("[&?/\\\\]"," ");
-            tags = tags.replaceAll("[&?/\\\\.;]"," ");
+            description = description.replaceAll("[&?/\\\\]", " ");
+            tags = tags.replaceAll("[&?/\\\\.;]", " ");
 
             // Set progress dialog to indeterminate while connecting
             progressMonitor.indeterminateSubTask(tr("Connecting..."));
 
-            try {
-                // Generate data for upload
-                ByteArrayOutputStream baos  = new ByteArrayOutputStream();
-                writeGpxFile(baos, "file", gpxData);
-                writeField(baos, "description", description);
-                writeField(baos, "tags", (tags != null && tags.length() > 0) ? tags : "");
-                writeField(baos, "visibility", visi);
-                writeString(baos, "--" + BOUNDARY + "--" + LINE_END);
-
-                ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
-                HttpURLConnection conn = setupConnection(baos.size());
-
-                progressMonitor.setTicksCount(baos.size());
-                progressMonitor.subTask(null);
-
-                try {
-                    flushToServer(bais, conn.getOutputStream(), progressMonitor);
-                } catch(Exception e) {}
-
-                if(cancelled) {
-                    conn.disconnect();
-                    OutputDisplay.setText(tr("Upload cancelled"));
-                    buttons.get(0).setEnabled(true);
-                    cancelled = false;
-                } else {
-                    boolean success = finishUpConnection(conn);
-                    buttons.get(0).setEnabled(!success);
-                    if(success)
-                        buttons.get(1).setText(tr("Close"));
+            // Generate data for upload
+            ByteArrayOutputStream baos = new ByteArrayOutputStream();
+            writeGpxFile(baos, "file", gpxData);
+            writeField(baos, "description", description);
+            writeField(baos, "tags", (tags != null && tags.length() > 0) ? tags : "");
+            writeField(baos, "visibility", visi);
+            writeString(baos, "--" + BOUNDARY + "--" + LINE_END);
+
+            ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
+            HttpURLConnection conn = setupConnection(baos.size());
+
+            progressMonitor.setTicksCount(baos.size());
+            progressMonitor.subTask(null);
+
+            flushToServer(bais, conn.getOutputStream(), progressMonitor);
+
+            if (cancelled) {
+                conn.disconnect();
+                OutputDisplay.setText(tr("Upload cancelled"));
+                buttons.get(0).setEnabled(true);
+                cancelled = false;
+            }
+            else {
+                boolean success = finishUpConnection(conn);
+                buttons.get(0).setEnabled(!success);
+                if (success) {
+                    buttons.get(1).setText(tr("Close"));
                 }
-            } catch(Exception e) {
-                OutputDisplay.setText(tr("Error while uploading"));
-                e.printStackTrace();
-            }
-        } finally {
+            }
+        }
+        catch (Exception e) {
+            OutputDisplay.setText(tr("Error while uploading"));
+            e.printStackTrace();
+        }
+        finally {
             progressMonitor.finishTask();
         }
@@ -263,8 +255,4 @@
      */
     private HttpURLConnection setupConnection(int contentLength) throws Exception {
-        // Encode username and password
-        CharsetEncoder encoder = Charset.forName("UTF-8").newEncoder();
-        String auth = username + ":" + password;
-        ByteBuffer bytes = encoder.encode(CharBuffer.wrap(auth));
 
         // Upload URL
@@ -277,5 +265,8 @@
         c.setRequestMethod("POST");
         c.setDoOutput(true);
-        c.addRequestProperty("Authorization", "Basic " + Base64.encode(bytes));
+        // unfortunately, addAuth() is protected, so we need to subclass OsmConnection 
+        // XXX make addAuth public. 
+        UploadOsmConnection.getInstance().addAuthHack(c);
+
         c.addRequestProperty("Content-Type", "multipart/form-data; boundary=" + BOUNDARY);
         c.addRequestProperty("Connection", "close"); // counterpart of keep-alive
@@ -367,12 +358,9 @@
      * Checks for common errors and displays them in OutputDisplay if it finds any.
      * Returns whether errors have been found or not.
-     * @param String OSM username
-     * @param String OSM password
      * @param String GPX track description
      * @param GpxData the GPX data to upload
      * @return boolean true if errors have been found
      */
-    private boolean checkForErrors(String username, String password,
-                                   String description, GpxData gpxData) {
+    private boolean checkForErrors(String description, GpxData gpxData) {
         String errors="";
         if(description == null || description.length() == 0)
@@ -382,10 +370,4 @@
             errors += tr("No GPX layer selected. Cannot upload a trace.");
 
-        if(username == null || username.length() == 0)
-            errors += tr("No username provided.");
-
-        if(password == null || password.length() == 0)
-            errors += tr("No password provided.");
-
         OutputDisplay.setText(errors);
         return errors.length() > 0;
@@ -393,28 +375,23 @@
 
     /**
-     * Checks if a GPX layer is selected and returns the result. Also writes an error
-     * message to OutputDisplay if result is false.
-     * @return boolean True, if /no/ GPX layer is selected
-     */
-    private boolean checkForGPXLayer() {
-        if(Main.map == null
-                || Main.map.mapView == null
-                || Main.map.mapView.getActiveLayer() == null
-                || !(Main.map.mapView.getActiveLayer() instanceof GpxLayer)) {
-            OutputDisplay.setText(tr("No GPX layer selected. Cannot upload a trace."));
-            return true;
-        }
-        return false;
-    }
-
-
-    /**
      * This creates the uploadTask that does the actual work and hands it to the main.worker to be executed.
      */
     private void setupUpload() {
-        if(checkForGPXLayer()) return;
+        final GpxData gpxData = UploadOsmConnection.getInstance().autoSelectTrace();
+        if (gpxData == null) {
+            return;
+        }
 
         // Disable Upload button so users can't just upload that track again
         buttons.get(0).setEnabled(false);
+        
+        // save history
+        Main.pref.put("directupload.visibility.last-used", visibility.desc2visi(visibilityCombo.getSelectedItem().toString()).name());
+        
+        descriptionField.addCurrentItemToHistory();
+        Main.pref.putCollection("directupload.description.history", descriptionField.getHistory());
+
+        tagsField.addCurrentItemToHistory();
+        Main.pref.putCollection("directupload.tags.history", tagsField.getHistory());
 
         PleaseWaitRunnable uploadTask = new PleaseWaitRunnable(tr("Uploading GPX Track")){
@@ -423,5 +400,5 @@
                          tagsField.getText(),
                          visibility.desc2visi(visibilityCombo.getSelectedItem()).toString(),
-                         ((GpxLayer)Main.map.mapView.getActiveLayer()).data,
+                         gpxData,
                          progressMonitor.createSubTaskMonitor(ProgressMonitor.ALL_TICKS, false)
                   );
@@ -460,5 +437,5 @@
         writeBoundary(baos);
         writeString(baos, "Content-Disposition: form-data; name=\"" + name + "\"; ");
-        writeString(baos, "filename=\"" + getFilename() + ".gpx" + "\"");
+        writeString(baos, "filename=\"" + gpxData.storageFile.getName() + "\"");
         writeLineEnd(baos);
         writeString(baos, "Content-Type: application/octet-stream");
@@ -495,13 +472,4 @@
         writeString(baos, "--" + BOUNDARY);
         writeLineEnd(baos);
-    }
-
-    /**
-     * Returns the filename of the GPX file to be upload. If not available, returns current date
-     * as an alternative
-     * @param String
-     */
-    private String getFilename() {
-       return filename.equals("") ? datename : filename;
     }
 
Index: /applications/editors/josm/plugins/DirectUpload/src/org/openstreetmap/josm/plugins/DirectUpload/UploadDataGuiPlugin.java
===================================================================
--- /applications/editors/josm/plugins/DirectUpload/src/org/openstreetmap/josm/plugins/DirectUpload/UploadDataGuiPlugin.java	(revision 24235)
+++ /applications/editors/josm/plugins/DirectUpload/src/org/openstreetmap/josm/plugins/DirectUpload/UploadDataGuiPlugin.java	(revision 24236)
@@ -11,17 +11,17 @@
 import java.awt.event.ActionEvent;
 import java.awt.event.KeyEvent;
-import java.util.List;
 
 import org.openstreetmap.josm.Main;
 import org.openstreetmap.josm.actions.JosmAction;
-import org.openstreetmap.josm.gui.layer.GpxLayer;
 import org.openstreetmap.josm.plugins.Plugin;
 import org.openstreetmap.josm.plugins.PluginInformation;
 import org.openstreetmap.josm.tools.Shortcut;
+
 /**
  *
- * @author subhodip
+ * @author subhodip, ax
  */
-public class UploadDataGuiPlugin extends Plugin{
+public class UploadDataGuiPlugin extends Plugin {
+    
     UploadAction openaction;
 
@@ -32,10 +32,12 @@
     }
 
-    class UploadAction extends JosmAction{
+    class UploadAction extends JosmAction {
+        
         public UploadAction(){
             super(tr("Upload Traces"), "UploadAction", tr("Uploads traces to openstreetmap.org"),
-            Shortcut.registerShortcut("tools:uploadtraces", tr("Tool: {0}", tr("Upload Traces")),
-            KeyEvent.VK_G, Shortcut.GROUP_MENU), false);
+                Shortcut.registerShortcut("tools:uploadtraces", tr("Tool: {0}", tr("Upload Traces")),
+                KeyEvent.VK_G, Shortcut.GROUP_MENU), false);
         }
+        
         public void actionPerformed(ActionEvent e) {
             UploadDataGui go = new UploadDataGui();
@@ -43,23 +45,16 @@
         }
 
-        @Override
-        protected void updateEnabledState() {
-            // enable button if there is "one active GpxLayer" or "exactly one GpxLayer in the list of all layers available"
-            if(Main.map == null
-                    || Main.map.mapView == null
-                    || Main.map.mapView.getActiveLayer() == null
-                    || !(Main.map.mapView.getActiveLayer() instanceof GpxLayer)) {
-                setEnabled(false);
-            } else {
-                setEnabled(true);
-            }
-
-            if(Main.map != null && Main.map.mapView.getNumLayers() > 1) {
-                List<GpxLayer> list = Main.map.mapView.getLayersOfType(GpxLayer.class);
-                if (list.size() == 1)
-                    setEnabled(true);
-            }
-
-        }
+        // because LayerListDialog doesn't provide a way to hook into "layer selection changed"
+        // but the layer selection (*not* activation) is how we determine the layer to be uploaded
+        // we have to let the upload trace menu always be enabled
+//        @Override
+//        protected void updateEnabledState() {
+//            // enable button if ... @see autoSelectTrace()
+//            if (UploadOsmConnection.getInstance().autoSelectTrace() == null) {
+//                setEnabled(false);
+//            } else {
+//                setEnabled(true);
+//            }
+//        }
     }
 }
Index: /applications/editors/josm/plugins/utilsplugin2/GPL-v2.0.txt
===================================================================
--- /applications/editors/josm/plugins/utilsplugin2/GPL-v2.0.txt	(revision 24236)
+++ /applications/editors/josm/plugins/utilsplugin2/GPL-v2.0.txt	(revision 24236)
@@ -0,0 +1,339 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+                            Preamble
+
+  The licenses for most software are designed to take away your
+freedom to share and change it.  By contrast, the GNU General Public
+License is intended to guarantee your freedom to share and change free
+software--to make sure the software is free for all its users.  This
+General Public License applies to most of the Free Software
+Foundation's software and to any other program whose authors commit to
+using it.  (Some other Free Software Foundation software is covered by
+the GNU Lesser General Public License instead.)  You can apply it to
+your programs, too.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+this service if you wish), that you receive source code or can get it
+if you want it, that you can change the software or use pieces of it
+in new free programs; and that you know you can do these things.
+
+  To protect your rights, we need to make restrictions that forbid
+anyone to deny you these rights or to ask you to surrender the rights.
+These restrictions translate to certain responsibilities for you if you
+distribute copies of the software, or if you modify it.
+
+  For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must give the recipients all the rights that
+you have.  You must make sure that they, too, receive or can get the
+source code.  And you must show them these terms so they know their
+rights.
+
+  We protect your rights with two steps: (1) copyright the software, and
+(2) offer you this license which gives you legal permission to copy,
+distribute and/or modify the software.
+
+  Also, for each author's protection and ours, we want to make certain
+that everyone understands that there is no warranty for this free
+software.  If the software is modified by someone else and passed on, we
+want its recipients to know that what they have is not the original, so
+that any problems introduced by others will not reflect on the original
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+
+  Finally, any free program is threatened constantly by software
+patents.  We wish to avoid the danger that redistributors of a free
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+patent must be licensed for everyone's free use or not licensed at all.
+
+  The precise terms and conditions for copying, distribution and
+modification follow.
+
+                    GNU GENERAL PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. This License applies to any program or other work which contains
+a notice placed by the copyright holder saying it may be distributed
+under the terms of this General Public License.  The "Program", below,
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+Activities other than copying, distribution and modification are not
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+  2. You may modify your copy or copies of the Program or any portion
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+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
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+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is 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; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
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+
+    You should have received a copy of the GNU General Public License along
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+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+Also add information on how to contact you by electronic and paper mail.
+
+If the program is interactive, make it output a short notice like this
+when it starts in an interactive mode:
+
+    Gnomovision version 69, Copyright (C) year name of author
+    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, the commands you use may
+be called something other than `show w' and `show c'; they could even be
+mouse-clicks or menu items--whatever suits your program.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary.  Here is a sample; alter the names:
+
+  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+  `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+  <signature of Ty Coon>, 1 April 1989
+  Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs.  If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.
Index: /applications/editors/josm/plugins/utilsplugin2/GPL-v3.0.txt
===================================================================
--- /applications/editors/josm/plugins/utilsplugin2/GPL-v3.0.txt	(revision 24236)
+++ /applications/editors/josm/plugins/utilsplugin2/GPL-v3.0.txt	(revision 24236)
@@ -0,0 +1,674 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
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+
+  Nothing in this License shall be construed as excluding or limiting
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+
+  12. No Surrender of Others' Freedom.
+
+  If conditions are imposed on you (whether by court order, agreement or
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+
+  13. Use with the GNU Affero General Public License.
+
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+
+  14. Revised Versions of this License.
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+
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+  If the Program specifies that a proxy can decide which future
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+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
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+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is 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, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program 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/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<http://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<http://www.gnu.org/philosophy/why-not-lgpl.html>.
Index: /applications/editors/josm/plugins/utilsplugin2/LICENSE
===================================================================
--- /applications/editors/josm/plugins/utilsplugin2/LICENSE	(revision 24236)
+++ /applications/editors/josm/plugins/utilsplugin2/LICENSE	(revision 24236)
@@ -0,0 +1,8 @@
+UtilsPlugin2 is released under the GNU General 
+Public License v2 or later.
+
+The GPL v3 is accessible here:
+http://www.gnu.org/licenses/gpl.html
+
+The GPL v2 is accessible here:
+http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
Index: /applications/editors/josm/plugins/utilsplugin2/README
===================================================================
--- /applications/editors/josm/plugins/utilsplugin2/README	(revision 24236)
+++ /applications/editors/josm/plugins/utilsplugin2/README	(revision 24236)
@@ -0,0 +1,13 @@
+README for UtilsPlugin2
+=======================
+
+Collection of utilities.
+
+ * Unglue relation (by Kalle Lampila)
+ 
+ * Add nodes on intersections action (by Upliner)
+ 
+ * Split Object Action (anonymous)
+ 
+ 
+more info: http://wiki.openstreetmap.org/wiki/JOSM/Plugins/UtilsPlugin2
Index: /applications/editors/josm/plugins/utilsplugin2/build.xml
===================================================================
--- /applications/editors/josm/plugins/utilsplugin2/build.xml	(revision 24236)
+++ /applications/editors/josm/plugins/utilsplugin2/build.xml	(revision 24236)
@@ -0,0 +1,256 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+** This is a template build file for a JOSM  plugin.
+**
+** Maintaining versions
+** ====================
+** see README.template
+**
+** Usage
+** =====
+** To build it run
+**
+**    > ant  dist
+**
+** To install the generated plugin locally (in you default plugin directory) run
+**
+**    > ant  install
+**
+** The generated plugin jar is not automatically available in JOSMs plugin configuration
+** dialog. You have to check it in first.
+**
+** Use the ant target 'publish' to check in the plugin and make it available to other
+** JOSM users:
+**    set the properties commit.message and plugin.main.version
+** and run
+**    > ant  publish
+**
+**
+-->
+<project name="utilsplugin2" default="dist" basedir=".">
+
+    <!-- enter the SVN commit message -->
+    <property name="commit.message" value="Commit message" />
+    <!-- enter the *lowest* JOSM version this plugin is currently compatible with -->
+    <property name="plugin.main.version" value="3650" />
+
+
+    <!--
+      ************************************************
+      ** should not be necessary to change the following properties
+     -->
+    <property name="josm"                   location="../../core/dist/josm-custom.jar"/>
+    <property name="plugin.build.dir"       value="build"/>
+    <property name="plugin.src.dir"         value="src"/>
+    <!-- this is the directory where the plugin jar is copied to -->
+    <property name="plugin.dist.dir"        value="../../dist"/>
+    <property name="ant.build.javac.target" value="1.5"/>
+    <property name="plugin.dist.dir"        value="../../dist"/>
+    <property name="plugin.jar"             value="${plugin.dist.dir}/${ant.project.name}.jar"/>
+
+    <!--
+    **********************************************************
+    ** init - initializes the build
+    **********************************************************
+    -->
+    <target name="init">
+        <mkdir dir="${plugin.build.dir}"/>
+    </target>
+
+    <!--
+    **********************************************************
+    ** compile - complies the source tree
+    **********************************************************
+    -->
+    <target name="compile" depends="init">
+        <echo message="compiling sources for  ${plugin.jar} ... "/>
+        <javac srcdir="src" classpath="${josm}" debug="true" destdir="${plugin.build.dir}">
+            <compilerarg value="-Xlint:deprecation"/>
+            <compilerarg value="-Xlint:unchecked"/>
+        </javac>
+    </target>
+
+    <!--
+    **********************************************************
+    ** dist - creates the plugin jar
+    **********************************************************
+    -->
+    <target name="dist" depends="compile,revision">
+        <echo message="creating ${ant.project.name}.jar ... "/>
+        <copy todir="${plugin.build.dir}/images">
+            <fileset dir="images"/>
+        </copy>
+        <copy todir="${plugin.build.dir}">
+            <fileset dir=".">
+                <include name="README" />
+                <include name="LICENSE" />
+                <include name="GPL-v2.0.txt" />
+                <include name="GPL-v3.0.txt" />
+            </fileset>
+        </copy>
+        <jar destfile="${plugin.jar}" basedir="${plugin.build.dir}">
+            <!--
+        ************************************************
+        ** configure these properties. Most of them will be copied to the plugins
+        ** manifest file. Property values will also show up in the list available
+        ** plugins: http://josm.openstreetmap.de/wiki/Plugins.
+        **
+        ************************************************
+    -->
+            <manifest>
+                <attribute name="Author" value="Kalle Lampila, Upliner, and others"/>
+                <attribute name="Plugin-Class" value="utilsplugin2.UtilsPlugin2"/>
+                <attribute name="Plugin-Date" value="${version.entry.commit.date}"/>
+                <attribute name="Plugin-Description" value="Several utilities that make your life easier."/>
+                <attribute name="Plugin-Icon" value="images/utils.png"/>
+                <attribute name="Plugin-Link" value="http://wiki.openstreetmap.org/wiki/JOSM/Plugins/UtilsPlugin2"/>
+                <attribute name="Plugin-Mainversion" value="${plugin.main.version}"/>
+                <attribute name="Plugin-Version" value="${version.entry.commit.revision}"/>
+            </manifest>
+        </jar>
+    </target>
+
+    <!--
+    **********************************************************
+    ** revision - extracts the current revision number for the
+    **    file build.number and stores it in the XML property
+    **    version.*
+    **********************************************************
+    -->
+    <target name="revision">
+
+        <exec append="false" output="REVISION" executable="svn" failifexecutionfails="false">
+            <env key="LANG" value="C"/>
+            <arg value="info"/>
+            <arg value="--xml"/>
+            <arg value="."/>
+        </exec>
+        <xmlproperty file="REVISION" prefix="version" keepRoot="false" collapseAttributes="true"/>
+        <delete file="REVISION"/>
+    </target>
+
+    <!--
+    **********************************************************
+    ** clean - clean up the build environment
+    **********************************************************
+    -->
+    <target name="clean">
+        <delete dir="${plugin.build.dir}"/>
+        <delete file="${plugin.jar}"/>
+    </target>
+
+    <!--
+    **********************************************************
+    ** install - install the plugin in your local JOSM installation
+    **********************************************************
+    -->
+    <target name="install" depends="dist">
+        <property environment="env"/>
+        <condition property="josm.plugins.dir" value="${env.APPDATA}/JOSM/plugins" else="${user.home}/.josm/plugins">
+            <and>
+                <os family="windows"/>
+            </and>
+        </condition>
+        <copy file="${plugin.jar}" todir="${josm.plugins.dir}"/>
+    </target>
+
+
+    <!--
+    ************************** Publishing the plugin *********************************** 
+    -->
+    <!--
+        ** extracts the JOSM release for the JOSM version in ../core and saves it in the 
+        ** property ${coreversion.info.entry.revision}
+        **
+        -->
+    <target name="core-info">
+        <exec append="false" output="core.info.xml" executable="svn" failifexecutionfails="false">
+            <env key="LANG" value="C"/>
+            <arg value="info"/>
+            <arg value="--xml"/>
+            <arg value="../../core"/>
+        </exec>
+        <xmlproperty file="core.info.xml" prefix="coreversion" keepRoot="true" collapseAttributes="true"/>
+        <echo>Building against core revision ${coreversion.info.entry.revision}.</echo>
+        <echo>Plugin-Mainversion is set to ${plugin.main.version}.</echo>
+        <delete file="core.info.xml" />
+    </target>
+
+    <!--
+        ** commits the source tree for this plugin
+        -->
+    <target name="commit-current">
+        <echo>Commiting the plugin source with message '${commit.message}' ...</echo>
+        <exec append="true" output="svn.log" executable="svn" failifexecutionfails="false">
+            <env key="LANG" value="C"/>
+            <arg value="commit"/>
+            <arg value="-m '${commit.message}'"/>
+            <arg value="."/>
+        </exec>
+    </target>
+
+    <!--
+        ** updates (svn up) the source tree for this plugin
+        -->
+    <target name="update-current">
+        <echo>Updating plugin source ...</echo>
+        <exec append="true" output="svn.log" executable="svn" failifexecutionfails="false">
+            <env key="LANG" value="C"/>
+            <arg value="up"/>
+            <arg value="."/>
+        </exec>
+        <echo>Updating ${plugin.jar} ...</echo>
+        <exec append="true" output="svn.log" executable="svn" failifexecutionfails="false">
+            <env key="LANG" value="C"/>
+            <arg value="up"/>
+            <arg value="../dist/${plugin.jar}"/>
+        </exec>
+    </target>
+
+    <!--
+        ** commits the plugin.jar 
+        -->
+    <target name="commit-dist">
+        <echo>
+    ***** Properties of published ${plugin.jar} *****
+    Commit message    : '${commit.message}'                    
+    Plugin-Mainversion: ${plugin.main.version}
+    JOSM build version: ${coreversion.info.entry.revision}
+    Plugin-Version    : ${version.entry.commit.revision}
+    ***** / Properties of published ${plugin.jar} *****                    
+                        
+    Now commiting ${plugin.jar} ...
+    </echo>
+        <exec append="true" output="svn.log" executable="svn" failifexecutionfails="false">
+            <env key="LANG" value="C"/>
+            <arg value="-m '${commit.message}'"/>
+            <arg value="commit"/>
+            <arg value="${plugin.jar}"/>
+        </exec>
+    </target>
+
+    <!-- ** make sure svn is present as a command line tool ** -->
+    <target name="ensure-svn-present">
+        <exec append="true" output="svn.log" executable="svn" failifexecutionfails="false" failonerror="false" resultproperty="svn.exit.code">
+            <env key="LANG" value="C" />
+            <arg value="--version" />
+        </exec>
+        <fail message="Fatal: command 'svn --version' failed. Please make sure svn is installed on your system.">
+            <!-- return code not set at all? Most likely svn isn't installed -->
+            <condition>
+                <not>
+                    <isset property="svn.exit.code" />
+                </not>
+            </condition>
+        </fail>
+        <fail message="Fatal: command 'svn --version' failed. Please make sure a working copy of svn is installed on your system.">
+            <!-- error code from SVN? Most likely svn is not what we are looking on this system -->
+            <condition>
+                <isfailure code="${svn.exit.code}" />
+            </condition>
+        </fail>
+    </target>
+
+    <target name="publish" depends="ensure-svn-present,core-info,commit-current,update-current,clean,dist,commit-dist">
+    </target>
+</project>
Index: /applications/editors/josm/plugins/utilsplugin2/src/utilsplugin2/AddIntersectionsAction.java
===================================================================
--- /applications/editors/josm/plugins/utilsplugin2/src/utilsplugin2/AddIntersectionsAction.java	(revision 24236)
+++ /applications/editors/josm/plugins/utilsplugin2/src/utilsplugin2/AddIntersectionsAction.java	(revision 24236)
@@ -0,0 +1,66 @@
+// License: GPL. For details, see LICENSE file.
+package utilsplugin2;
+
+import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
+import static org.openstreetmap.josm.tools.I18n.tr;
+
+import java.awt.event.ActionEvent;
+import java.awt.event.KeyEvent;
+import java.util.Collection;
+import java.util.LinkedList;
+import java.util.List;
+
+import javax.swing.JOptionPane;
+
+import org.openstreetmap.josm.Main;
+import org.openstreetmap.josm.actions.JosmAction;
+import org.openstreetmap.josm.command.Command;
+import org.openstreetmap.josm.command.SequenceCommand;
+import org.openstreetmap.josm.data.osm.OsmPrimitive;
+import org.openstreetmap.josm.data.osm.Way;
+import org.openstreetmap.josm.tools.Geometry;
+import org.openstreetmap.josm.tools.Shortcut;
+
+public class AddIntersectionsAction extends JosmAction {
+    public AddIntersectionsAction() {
+        super(tr("Add nodes at intersections"), "addintersect", tr("Add missing nodes at intersections of selected ways."),
+                Shortcut.registerShortcut("tools:addintersect", tr("Tool: {0}", tr("Add nodes at intersections")), KeyEvent.VK_I, Shortcut.GROUP_EDIT, Shortcut.SHIFT_DEFAULT), true);
+        putValue("help", ht("/Action/AddIntersections"));
+    }
+
+    @Override
+    public void actionPerformed(ActionEvent arg0) {
+        if (!isEnabled())
+            return;
+        List<Way> ways = OsmPrimitive.getFilteredList(getCurrentDataSet().getSelected(), Way.class);
+        if (ways.isEmpty()) {
+            JOptionPane.showMessageDialog(
+                    Main.parent,
+                    tr("Please select one or more ways with intersections of segments."),
+                    tr("Information"),
+                    JOptionPane.INFORMATION_MESSAGE
+            );
+            return;
+        }
+
+        LinkedList<Command> cmds = new LinkedList<Command>();
+        Geometry.addIntersections(ways, false, cmds);
+        if (!cmds.isEmpty()) {
+            Main.main.undoRedo.add(new SequenceCommand(tr("Add nodes at intersections"),cmds));
+        }
+    }
+
+    @Override
+    protected void updateEnabledState() {
+        if (getCurrentDataSet() == null) {
+            setEnabled(false);
+        } else {
+            updateEnabledState(getCurrentDataSet().getSelected());
+        }
+    }
+
+    @Override
+    protected void updateEnabledState(Collection<? extends OsmPrimitive> selection) {
+        setEnabled(selection != null && !selection.isEmpty());
+    }
+}
Index: /applications/editors/josm/plugins/utilsplugin2/src/utilsplugin2/SplitObjectAction.java
===================================================================
--- /applications/editors/josm/plugins/utilsplugin2/src/utilsplugin2/SplitObjectAction.java	(revision 24236)
+++ /applications/editors/josm/plugins/utilsplugin2/src/utilsplugin2/SplitObjectAction.java	(revision 24236)
@@ -0,0 +1,238 @@
+// License: GPL. Copyright 2007 by Immanuel Scholz and others
+package utilsplugin2;
+
+import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
+import static org.openstreetmap.josm.tools.I18n.tr;
+import static org.openstreetmap.josm.tools.I18n.trn;
+
+import java.awt.event.ActionEvent;
+import java.awt.event.KeyEvent;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+
+import javax.swing.JOptionPane;
+
+import org.openstreetmap.josm.Main;
+import org.openstreetmap.josm.actions.JosmAction;
+import org.openstreetmap.josm.actions.SplitWayAction;
+import org.openstreetmap.josm.data.osm.Node;
+import org.openstreetmap.josm.data.osm.OsmPrimitive;
+import org.openstreetmap.josm.data.osm.Way;
+import org.openstreetmap.josm.tools.Shortcut;
+
+/**
+ * Splits a closed way (polygon) into two closed ways.
+ *
+ * The closed ways are just split at the selected nodes (which must be exactly two).
+ * The nodes remain in their original order.
+ * 
+ * This is similar to SplitWayAction with the addition that the split ways are closed
+ * immediately.
+ */
+
+public class SplitObjectAction extends JosmAction {
+    /**
+     * Create a new SplitObjectAction.
+     */
+    public SplitObjectAction() {
+        super(tr("Split Object"), "splitobject", tr("Split an object at the selected nodes."),
+                Shortcut.registerShortcut("tools:splitobject", tr("Tool: {0}", "Split Object"),
+                        KeyEvent.VK_P, Shortcut.GROUP_EDIT, Shortcut.SHIFT_DEFAULT), true);
+        putValue("help", ht("/Action/SplitObject"));
+    }
+
+    /**
+     * Called when the action is executed.
+     *
+     * This method performs an expensive check whether the selection clearly defines one
+     * of the split actions outlined above, and if yes, calls the splitObject method.
+     */
+    public void actionPerformed(ActionEvent e) {
+        Collection<OsmPrimitive> selection = getCurrentDataSet().getSelected();
+
+        List<Node> selectedNodes = OsmPrimitive.getFilteredList(selection, Node.class);
+        List<Way> selectedWays = OsmPrimitive.getFilteredList(selection, Way.class);
+
+        if (!checkSelection(selection)) {
+            JOptionPane.showMessageDialog(
+                    Main.parent,
+                    tr("The current selection cannot be used for splitting."),
+                    tr("Warning"),
+                    JOptionPane.WARNING_MESSAGE
+            );
+            return;
+        }
+
+
+        Way selectedWay = null;
+        if (!selectedWays.isEmpty()){
+            selectedWay = selectedWays.get(0);
+        }
+
+        // If only nodes are selected, try to guess which way to split. This works if there
+        // is exactly one way that all nodes are part of.
+        if (selectedWay == null && !selectedNodes.isEmpty()) {
+            Map<Way, Integer> wayOccurenceCounter = new HashMap<Way, Integer>();
+            for (Node n : selectedNodes) {
+                for (Way w : OsmPrimitive.getFilteredList(n.getReferrers(), Way.class)) {
+                    if (!w.isUsable()) {
+                        continue;
+                    }
+                    int last = w.getNodesCount() - 1;
+                    // Only closed ways with at least four nodes
+                    // (i.e. five members since the the first/last is listed twice)
+                    // can be split into two objects
+                    if (last <= 4 || !w.isClosed()) {
+                        continue;
+                    }
+                    for (Node wn : w.getNodes()) {
+                        if (n.equals(wn)) {
+                            Integer old = wayOccurenceCounter.get(w);
+                            wayOccurenceCounter.put(w, (old == null) ? 1 : old + 1);
+                            break;
+                        }
+                    }
+                }
+            }
+            if (wayOccurenceCounter.isEmpty()) {
+                JOptionPane.showMessageDialog(Main.parent,
+                        trn("The selected node is not in the middle of any way.",
+                                "The selected nodes are not in the middle of any way.",
+                                selectedNodes.size()),
+                                tr("Warning"),
+                                JOptionPane.WARNING_MESSAGE);
+                return;
+            }
+
+            for (Entry<Way, Integer> entry : wayOccurenceCounter.entrySet()) {
+                if (entry.getValue().equals(selectedNodes.size())) {
+                    if (selectedWay != null) {
+                        JOptionPane.showMessageDialog(Main.parent,
+                                trn("There is more than one way using the node you selected. Please select the way also.",
+                                        "There is more than one way using the nodes you selected. Please select the way also.",
+                                        selectedNodes.size()),
+                                        tr("Warning"),
+                                        JOptionPane.WARNING_MESSAGE);
+                        return;
+                    }
+                    selectedWay = entry.getKey();
+                }
+            }
+
+            if (selectedWay == null) {
+                JOptionPane.showMessageDialog(Main.parent,
+                        tr("The selected nodes do not share the same way."),
+                        tr("Warning"),
+                        JOptionPane.WARNING_MESSAGE);
+                return;
+            }
+
+            // If a way and nodes are selected, verify that the nodes
+            // are part of the way and that the way is closed.
+        } else if (selectedWay != null && !selectedNodes.isEmpty()) {
+            if (!selectedWay.isClosed()) {
+                JOptionPane.showMessageDialog(Main.parent,
+                        tr("The selected way is not closed."),
+                        tr("Warning"),
+                        JOptionPane.WARNING_MESSAGE);
+                return;
+            }
+            HashSet<Node> nds = new HashSet<Node>(selectedNodes);
+            nds.removeAll(selectedWay.getNodes());
+            if (!nds.isEmpty()) {
+                JOptionPane.showMessageDialog(Main.parent,
+                        trn("The selected way does not contain the selected node.",
+                                "The selected way does not contain all the selected nodes.",
+                                selectedNodes.size()),
+                                tr("Warning"),
+                                JOptionPane.WARNING_MESSAGE);
+                return;
+            }
+        }
+
+        // we're guaranteed to have two nodes
+        Node node1 = selectedNodes.get(0);
+        int nodeIndex1 = -1;
+        Node node2 = selectedNodes.get(1);
+        int nodeIndex2 = -1;
+        int i = 0;
+        for (Node wn : selectedWay.getNodes()) {
+            if (nodeIndex1 == -1 && wn.equals(node1)) {
+                nodeIndex1 = i;
+            } else if (nodeIndex2 == -1 && wn.equals(node2)) {
+                nodeIndex2 = i;
+            }
+            i++;
+        }
+        // both nodes aren't allowed to be consecutive
+        if (nodeIndex1 == nodeIndex2 + 1 ||
+                nodeIndex2 == nodeIndex1 + 1 ||
+                // minus 2 because we've a circular way where
+                // the penultimate node is the last unique one
+                (nodeIndex1 == 0 && nodeIndex2 == selectedWay.getNodesCount() - 2) ||
+                (nodeIndex2 == 0 && nodeIndex1 == selectedWay.getNodesCount() - 2)) {
+            JOptionPane.showMessageDialog(Main.parent,
+                    tr("The selected nodes can not be consecutive nodes in the object."),
+                    tr("Warning"),
+                    JOptionPane.WARNING_MESSAGE);
+            return;
+        }
+
+        List<List<Node>> wayChunks = SplitWayAction.buildSplitChunks(selectedWay, selectedNodes);
+        //        List<List<Node>> wayChunks = buildSplitChunks(selectedWay, selectedNodes);
+        if (wayChunks != null) {
+            // close the chunks
+            for (List<Node> wayChunk : wayChunks) {
+                wayChunk.add(wayChunk.get(0));
+            }
+            SplitWayAction.SplitWayResult result = SplitWayAction.splitWay(getEditLayer(), selectedWay, wayChunks, Collections.<OsmPrimitive>emptyList());
+            //            SplitObjectResult result = splitObject(getEditLayer(),selectedWay, wayChunks);
+            Main.main.undoRedo.add(result.getCommand());
+            getCurrentDataSet().setSelected(result.getNewSelection());
+        }
+    }
+
+    /**
+     * Checks if the selection consists of something we can work with.
+     * Checks only if the number and type of items selected looks good;
+     * does not check whether the selected items are really a valid
+     * input for splitting (this would be too expensive to be carried
+     * out from the selectionChanged listener).
+     */
+    private boolean checkSelection(Collection<? extends OsmPrimitive> selection) {
+        boolean way = false;
+        int node = 0;
+        for (OsmPrimitive p : selection) {
+            if (p instanceof Way && !way) {
+                way = true;
+            } else if (p instanceof Node) {
+                node++;
+            } else
+                return false;
+        }
+        return node == 2;
+    }
+
+    @Override
+    protected void updateEnabledState() {
+        if (getCurrentDataSet() == null) {
+            setEnabled(false);
+        } else {
+            updateEnabledState(getCurrentDataSet().getSelected());
+        }
+    }
+
+    @Override
+    protected void updateEnabledState(Collection<? extends OsmPrimitive> selection) {
+        if (selection == null) {
+            setEnabled(false);
+            return;
+        }
+        setEnabled(checkSelection(selection));
+    }
+}
Index: /applications/editors/josm/plugins/utilsplugin2/src/utilsplugin2/UnGlueRelationAction.java
===================================================================
--- /applications/editors/josm/plugins/utilsplugin2/src/utilsplugin2/UnGlueRelationAction.java	(revision 24236)
+++ /applications/editors/josm/plugins/utilsplugin2/src/utilsplugin2/UnGlueRelationAction.java	(revision 24236)
@@ -0,0 +1,128 @@
+// License: GPL v2 or later. Copyright 2010 by Kalle Lampila and others
+// See LICENSE file for details.
+package utilsplugin2;
+
+import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
+import static org.openstreetmap.josm.tools.I18n.tr;
+import static org.openstreetmap.josm.tools.I18n.trn;
+
+import java.awt.event.KeyEvent;
+import java.awt.event.ActionEvent;
+
+import java.util.Collection;
+import java.util.Collections;
+import java.util.LinkedList;
+import java.util.List;
+
+import org.openstreetmap.josm.Main;
+import org.openstreetmap.josm.actions.JosmAction;
+import org.openstreetmap.josm.tools.Shortcut;
+import org.openstreetmap.josm.command.AddCommand;
+import org.openstreetmap.josm.command.ChangeCommand;
+import org.openstreetmap.josm.command.Command;
+import org.openstreetmap.josm.command.SequenceCommand;
+import org.openstreetmap.josm.data.osm.Node;
+import org.openstreetmap.josm.data.osm.OsmPrimitive;
+import org.openstreetmap.josm.data.osm.Relation;
+import org.openstreetmap.josm.data.osm.RelationMember;
+import org.openstreetmap.josm.data.osm.Way;
+
+/**
+ * Duplicate nodes, ways and relations that are used by multiple relations.
+ *
+ * Resulting nodes, ways and relations are identical as the orginals.
+ *
+ * @author Kalle Lampila
+ *
+ */
+public class UnGlueRelationAction extends JosmAction {
+
+    /**
+     * Create a new UnGlueRelationAction.
+     */
+    public UnGlueRelationAction() {
+        super(tr("UnGlue Relation"), "ungluerelations", tr("Duplicate nodes, ways and relations that are used by multiple relations."),
+              Shortcut.registerShortcut("tools:ungluerelation", tr("Tool: {0}", tr("UnGlue Relations")), KeyEvent.VK_G, Shortcut.GROUP_EDIT, Shortcut.SHIFT_DEFAULT ), true);
+        putValue("help", ht("/Action/UnGlueRelation"));
+    }
+
+    /**
+     * Called when the action is executed.
+     */
+    public void actionPerformed(ActionEvent e) {
+
+        LinkedList<Command> cmds = new LinkedList<Command>();
+        List<OsmPrimitive> newPrimitives = new LinkedList<OsmPrimitive>();
+        Collection<OsmPrimitive> selection = getCurrentDataSet().getSelected();
+
+        for (OsmPrimitive p : selection) {
+            boolean first = true;
+            for (Relation relation : OsmPrimitive.getFilteredList(p.getReferrers(), Relation.class)) {
+                if (relation.isDeleted()) {
+                    continue;
+                }
+                if (!first) {
+                    OsmPrimitive newp;
+                    switch(p.getType()) {
+                    case NODE: newp = new Node((Node)p, true); break;
+                    case WAY: newp = new Way((Way)p, true); break;
+                    case RELATION: newp = new Relation((Relation)p, true); break;
+                    default: throw new AssertionError();
+                    }                    
+                    newPrimitives.add(newp);
+                    cmds.add(new AddCommand(newp));
+                    cmds.add(new ChangeCommand(relation, changeRelationMember(relation, p, newp)));
+                } else {
+                    first = false;
+                }
+            }
+        }
+
+        if (newPrimitives.isEmpty() ) {
+            // error message nothing to do
+        }
+        else {
+            Main.main.undoRedo.add(new SequenceCommand(tr("Unglued Relations"), cmds));
+            //Set selection all primiteves (new and old)
+            newPrimitives.addAll(selection);
+            getCurrentDataSet().setSelected(newPrimitives);
+            Main.map.mapView.repaint();
+        }
+    }
+
+    /**
+     * Change member in relation to another one
+     * @param relation
+     * @param orginalMember member to change
+     * @param newMember
+     * @return new relation were change is made
+     */
+    private Relation changeRelationMember(Relation relation, OsmPrimitive orginalMember, OsmPrimitive newMember) {
+        LinkedList<RelationMember> newrms = new LinkedList<RelationMember>();
+        for (RelationMember rm : relation.getMembers()) {
+            if (rm.getMember() == orginalMember) {
+                newrms.add(new RelationMember(rm.getRole(),newMember));
+            } else {
+                newrms.add(rm);
+            }
+        }
+        Relation newRelation  = new Relation(relation);
+        newRelation.setMembers(newrms);
+        return newRelation;
+    }
+
+    @Override
+    protected void updateEnabledState() {
+        if (getCurrentDataSet() == null) {
+            setEnabled(false);
+        } else {
+            updateEnabledState(getCurrentDataSet().getSelected());
+        }
+    }
+
+    @Override
+    protected void updateEnabledState(Collection<? extends OsmPrimitive> selection) {
+        setEnabled(selection != null && !selection.isEmpty());
+    }
+
+}
Index: /applications/editors/josm/plugins/utilsplugin2/src/utilsplugin2/UtilsPlugin2.java
===================================================================
--- /applications/editors/josm/plugins/utilsplugin2/src/utilsplugin2/UtilsPlugin2.java	(revision 24236)
+++ /applications/editors/josm/plugins/utilsplugin2/src/utilsplugin2/UtilsPlugin2.java	(revision 24236)
@@ -0,0 +1,33 @@
+// License: GPL v2 or later. See LICENSE file for details.
+package utilsplugin2;
+
+import javax.swing.JMenuItem;
+
+import org.openstreetmap.josm.Main;
+import org.openstreetmap.josm.gui.MainMenu;
+import org.openstreetmap.josm.gui.MapFrame;
+import org.openstreetmap.josm.plugins.Plugin;
+import org.openstreetmap.josm.plugins.PluginInformation;
+
+public class UtilsPlugin2 extends Plugin {
+    JMenuItem unglueRelation;
+    JMenuItem addIntersections;
+    JMenuItem splitObject;
+
+    public UtilsPlugin2(PluginInformation info) {
+        super(info);
+        Main.main.menu.toolsMenu.addSeparator();
+        unglueRelation = MainMenu.add(Main.main.menu.toolsMenu, new UnGlueRelationAction());
+        addIntersections = MainMenu.add(Main.main.menu.toolsMenu, new AddIntersectionsAction());
+        splitObject = MainMenu.add(Main.main.menu.toolsMenu, new SplitObjectAction());
+    }
+
+    @Override
+    public void mapFrameInitialized(MapFrame oldFrame, MapFrame newFrame) {
+        if (oldFrame == null && newFrame != null) {
+            unglueRelation.setEnabled(true);
+            addIntersections.setEnabled(true);
+            splitObject.setEnabled(true);
+        }
+    }
+}
