Index: /applications/editors/josm/plugins/ext_tools/LICENSE
===================================================================
--- /applications/editors/josm/plugins/ext_tools/LICENSE	(revision 21930)
+++ /applications/editors/josm/plugins/ext_tools/LICENSE	(revision 21930)
@@ -0,0 +1,345 @@
+		    GNU GENERAL PUBLIC LICENSE
+		       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.
+	51 Franklin St, 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
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+Foundation's software and to any other program whose authors commit to
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+
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+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
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+			    NO WARRANTY
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+FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
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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.
+
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+
+    <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
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+    (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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+    GNU General Public License for more details.
+
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+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+
+
+Also add information on how to contact you by electronic and paper mail.
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+
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+    This is free software, and you are welcome to redistribute it
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+
+The hypothetical commands `show w' and `show c' should show the appropriate
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+
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+
+  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 Library General
+Public License instead of this License.
Index: /applications/editors/josm/plugins/ext_tools/README
===================================================================
--- /applications/editors/josm/plugins/ext_tools/README	(revision 21930)
+++ /applications/editors/josm/plugins/ext_tools/README	(revision 21930)
@@ -0,0 +1,6 @@
+README 
+======
+
+ExtTools is generalization of Fuzzer plugin which uses external python script
+for tracing satellite imagery. With ExtTools you can create your own tools
+that uses external scripts.
Index: /applications/editors/josm/plugins/ext_tools/build.xml
===================================================================
--- /applications/editors/josm/plugins/ext_tools/build.xml	(revision 21930)
+++ /applications/editors/josm/plugins/ext_tools/build.xml	(revision 21930)
@@ -0,0 +1,257 @@
+<?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="ext_tools" 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="2500" />
+
+
+	<!--
+      ************************************************
+      ** 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}/resources">
+			<fileset dir="resources"/>
+		</copy>
+		<copy todir="${plugin.build.dir}/images">
+			<fileset dir="images"/>
+		</copy>
+		<copy todir="${plugin.build.dir}">
+			<fileset dir=".">
+				<include name="README" />
+				<include name="LICENSE" />
+			</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="Upliner"/>
+				<attribute name="Plugin-Class" value="ext_tools.ExtToolsPlugin"/>
+				<attribute name="Plugin-Date" value="${version.entry.commit.date}"/>
+				<attribute name="Plugin-Description" value="Use external scripts in JOSM"/>
+				<attribute name="Plugin-Icon" value="images/ext.png"/>
+				<attribute name="Plugin-Link" value="http://wiki.openstreetmap.org/wiki/JOSM/Plugins/ExtTools"/>
+				<attribute name="Plugin-Mainversion" value="${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/ext_tools/src/ext_tools/DataSetToCmd.java
===================================================================
--- /applications/editors/josm/plugins/ext_tools/src/ext_tools/DataSetToCmd.java	(revision 21930)
+++ /applications/editors/josm/plugins/ext_tools/src/ext_tools/DataSetToCmd.java	(revision 21930)
@@ -0,0 +1,184 @@
+package ext_tools;
+
+import static org.openstreetmap.josm.tools.I18n.tr;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+
+import org.openstreetmap.josm.command.AddCommand;
+import org.openstreetmap.josm.command.ChangeCommand;
+import org.openstreetmap.josm.command.ChangeNodesCommand;
+import org.openstreetmap.josm.command.Command;
+import org.openstreetmap.josm.data.osm.*;
+
+final class DataSetToCmd {
+
+    /** the source dataset where primitives are merged from */
+    private final DataSet sourceDataSet;
+
+    /**
+     * A map of all primitives that got replaced with other primitives. Key is
+     * the PrimitiveId in their dataset, the value is the PrimitiveId in my
+     * dataset
+     */
+    private final Map<PrimitiveId, OsmPrimitive> mergedMap = new HashMap<PrimitiveId, OsmPrimitive>();
+
+    private final LinkedList<Command> cmds = new LinkedList<Command>();
+
+    /**
+     * constructor
+     */
+    public DataSetToCmd(DataSet sourceDataSet) {
+        this.sourceDataSet = sourceDataSet;
+        merge();
+    }
+
+    /**
+     * Merges a primitive <code>other</code> of type
+     * <P>
+     * onto my primitives.
+     * 
+     * @param <P>
+     *            the type of the other primitive
+     * @param source
+     *            the other primitive
+     */
+    private void mergePrimitive(OsmPrimitive source) {
+
+        OsmPrimitive target = null;
+        switch (source.getType()) {
+        case NODE:
+            target = new Node();
+            break;
+        case WAY:
+            target = new Way();
+            break;
+        case RELATION:
+            target = new Relation();
+            break;
+        default:
+            throw new AssertionError();
+        }
+        target.mergeFrom(source);
+        mergedMap.put(source.getPrimitiveId(), target);
+        cmds.add(new AddCommand(target));
+    }
+
+    private OsmPrimitive getMergeTarget(OsmPrimitive mergeSource)
+            throws IllegalStateException {
+        OsmPrimitive target = mergedMap.get(mergeSource.getPrimitiveId());
+        if (target == null)
+            return null;
+        return target;
+    }
+
+    /**
+     * Postprocess the dataset and fix all merged references to point to the
+     * actual data.
+     */
+    public void fixReferences() {
+        for (Way w : sourceDataSet.getWays()) {
+            mergeNodeList(w);
+        }
+        for (Relation r : sourceDataSet.getRelations()) {
+            mergeRelationMembers(r);
+        }
+    }
+
+    /**
+     * Merges the node list of a source way onto its target way.
+     * 
+     * @param source
+     *            the source way
+     * @throws IllegalStateException
+     *             thrown if no target way can be found for the source way
+     * @throws IllegalStateException
+     *             thrown if there isn't a target node for one of the nodes in
+     *             the source way
+     * 
+     */
+    private void mergeNodeList(Way source) throws IllegalStateException {
+        Way target = (Way) getMergeTarget(source);
+        if (target == null)
+            throw new IllegalStateException(tr(
+                    "Missing merge target for way with id {0}", source.getUniqueId()));
+        if (target.getDataSet() != null)
+            throw new IllegalStateException(tr(
+                    "Missing merge target for way with id {0}", source.getUniqueId()));
+
+        List<Node> newNodes = new ArrayList<Node>(source.getNodesCount());
+        for (Node sourceNode : source.getNodes()) {
+            Node targetNode = (Node) getMergeTarget(sourceNode);
+            if (targetNode == null)
+                throw new IllegalStateException(tr(
+                        "Missing merge target for node with id {0}", sourceNode
+                                .getUniqueId()));
+            if (targetNode.getDataSet() != null)
+                throw new IllegalStateException(tr(
+                        "Missing merge target for way with id {0}", source.getUniqueId()));
+
+            newNodes.add(targetNode);
+        }
+        cmds.add(new ChangeNodesCommand(target, newNodes));
+    }
+
+    /**
+     * Merges the relation members of a source relation onto the corresponding
+     * target relation.
+     * 
+     * @param source
+     *            the source relation
+     * @throws IllegalStateException
+     *             thrown if there is no corresponding target relation
+     * @throws IllegalStateException
+     *             thrown if there isn't a corresponding target object for one
+     *             of the relation members in source
+     */
+    private void mergeRelationMembers(Relation source) throws IllegalStateException {
+        Relation target = (Relation) getMergeTarget(source);
+        if (target == null)
+            throw new IllegalStateException(
+                    tr("Missing merge target for relation with id {0}", source
+                            .getUniqueId()));
+        if (target.getDataSet() != null)
+            throw new IllegalStateException(
+                    tr("Missing merge target for relation with id {0}", source
+                            .getUniqueId()));
+        LinkedList<RelationMember> newMembers = new LinkedList<RelationMember>();
+        for (RelationMember sourceMember : source.getMembers()) {
+            OsmPrimitive targetMember = getMergeTarget(sourceMember.getMember());
+            if (targetMember == null)
+                throw new IllegalStateException(tr(
+                        "Missing merge target of type {0} with id {1}", sourceMember
+                                .getType(), sourceMember.getUniqueId()));
+            if (targetMember.getDataSet() != null)
+                throw new IllegalStateException(tr(
+                        "Missing merge target of type {0} with id {1}", sourceMember
+                                .getType(), sourceMember.getUniqueId()));
+            newMembers.add(new RelationMember(sourceMember.getRole(), targetMember));
+        }
+        Relation newRelation = new Relation(target);
+        newRelation.setMembers(newMembers);
+        cmds.add(new ChangeCommand(target, newRelation));
+    }
+
+    private void merge() {
+        for (Node node : sourceDataSet.getNodes()) {
+            mergePrimitive(node);
+        }
+        for (Way way : sourceDataSet.getWays()) {
+            mergePrimitive(way);
+        }
+        for (Relation relation : sourceDataSet.getRelations()) {
+            mergePrimitive(relation);
+        }
+        fixReferences();
+    }
+
+    public LinkedList<Command> getCommandList() {
+        return cmds;
+    }
+}
Index: /applications/editors/josm/plugins/ext_tools/src/ext_tools/ExtTool.java
===================================================================
--- /applications/editors/josm/plugins/ext_tools/src/ext_tools/ExtTool.java	(revision 21930)
+++ /applications/editors/josm/plugins/ext_tools/src/ext_tools/ExtTool.java	(revision 21930)
@@ -0,0 +1,238 @@
+package ext_tools;
+
+import static org.openstreetmap.josm.tools.I18n.tr;
+
+import java.awt.Cursor;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.StringTokenizer;
+
+import javax.swing.JMenuItem;
+import javax.swing.JOptionPane;
+import javax.swing.SwingUtilities;
+
+import org.openstreetmap.josm.Main;
+import org.openstreetmap.josm.command.Command;
+import org.openstreetmap.josm.command.SequenceCommand;
+import org.openstreetmap.josm.data.ProjectionBounds;
+import org.openstreetmap.josm.data.coor.LatLon;
+import org.openstreetmap.josm.data.osm.DataSet;
+import org.openstreetmap.josm.gui.MainMenu;
+import org.openstreetmap.josm.gui.PleaseWaitRunnable;
+import org.openstreetmap.josm.gui.progress.NullProgressMonitor;
+import org.openstreetmap.josm.io.IllegalDataException;
+import org.openstreetmap.josm.io.OsmReader;
+
+public class ExtTool {
+
+    protected boolean enabled;
+    public String name;
+    public String cmdline;
+    public String description;
+    public String url;
+    protected ExtToolAction action;
+    protected JMenuItem menuItem;
+
+    public boolean isEnabled() {
+        return enabled;
+    }
+
+    public void setEnabled(boolean enabled) {
+        if (!this.enabled ^ enabled)
+            return;
+        this.enabled = enabled;
+        if (enabled) {
+            if (action == null)
+                action = new ExtToolAction(this);
+            menuItem = MainMenu.add(Main.main.menu.toolsMenu, action);
+        } else {
+            Main.main.menu.toolsMenu.remove(menuItem);
+        }
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public ExtTool() {
+        this.enabled = false;
+    }
+
+    public ExtTool(String name) {
+        this();
+        this.name = name;
+    }
+
+    public String serialize() {
+        StringBuilder sb = new StringBuilder();
+        sb.append("name=").append(name).append('\n');
+        sb.append("cmdline=").append(cmdline).append('\n');
+        sb.append("description=").append(description).append('\n');
+        sb.append("url=").append(url).append('\n');
+        sb.append('\n');
+        return sb.toString();
+    }
+
+    public static ExtTool unserialize(String str) {
+        ExtTool t = new ExtTool();
+        String[] lines = str.split("\n");
+        for (String line : lines) {
+            String[] parts = line.split("=", 2);
+            if (parts[0].equals("name"))
+                t.name = parts[1];
+            else if (parts[0].equals("cmdline"))
+                t.cmdline = parts[1];
+            else if (parts[0].equals("description"))
+                t.description = parts[1];
+            else if (parts[0].equals("url"))
+                t.url = parts[1];
+        }
+        return t;
+    }
+
+    private class ToolProcess {
+        public Process process;
+        public volatile boolean running;
+    }
+
+    static double getPPD() {
+        ProjectionBounds bounds = Main.map.mapView.getProjectionBounds();
+        return Main.map.mapView.getWidth() /
+                (bounds.max.east() - bounds.min.east());
+    }
+
+    public void runTool(LatLon pos) {
+        Main.map.mapView.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
+        // parse cmdline and build cmdParams array
+        HashMap<String, String> replace = new HashMap<String, String>();
+
+        replace.put("{lat}", "" + pos.lat());
+        replace.put("{lon}", "" + pos.lon());
+        replace.put("{PPD}", "" + getPPD());
+
+        ArrayList<String> cmdParams = new ArrayList<String>();
+        StringTokenizer st = new StringTokenizer(cmdline);
+
+        while (st.hasMoreTokens()) {
+            String token = st.nextToken();
+            if (replace.containsKey(token)) {
+                cmdParams.add(replace.get(token));
+            } else {
+                cmdParams.add(token);
+            }
+        }
+
+        // create the process
+        final Object syncObj = new Object();
+
+        ProcessBuilder builder;
+        builder = new ProcessBuilder(cmdParams);
+        builder.directory(new File(ExtToolsPlugin.plugin.getPluginDir()));
+
+        // debug: print resulting cmdline
+        for (String s : builder.command())
+            System.out.print(s + " ");
+        System.out.print("\n");
+
+        final ToolProcess tp = new ToolProcess();
+        try {
+            tp.process = builder.start();
+        } catch (IOException e1) {
+            return;
+        }
+        tp.running = true;
+
+        // redirect child process's stderr to JOSM stderr
+        new Thread(new Runnable() {
+            public void run() {
+                try {
+                    byte[] buffer = new byte[1024];
+                    InputStream errStream = tp.process.getErrorStream();
+                    int len;
+                    while ((len = errStream.read(buffer)) > 0) {
+                        System.err.write(buffer, 0, len);
+                    }
+                } catch (IOException e) {
+                }
+            }
+        }).start();
+
+        // read stdout stream
+        Thread osmParseThread = new Thread(new Runnable() {
+            public void run() {
+                try {
+                    final InputStream inputStream = tp.process.getInputStream();
+                    final DataSet ds = OsmReader.parseDataSet(inputStream,
+                            NullProgressMonitor.INSTANCE);
+                    final List<Command> cmdlist = new DataSetToCmd(ds).getCommandList();
+                    if (!cmdlist.isEmpty()) {
+                        SequenceCommand cmd =
+                                new SequenceCommand(getName(), cmdlist);
+                        Main.main.undoRedo.add(cmd);
+                    }
+                } catch (IllegalDataException e) {
+                    e.printStackTrace();
+                    if (tp.running) {
+                        tp.process.destroy();
+                        SwingUtilities.invokeLater(new Runnable() {
+                            public void run() {
+                                JOptionPane.showMessageDialog(Main.parent,
+                                        tr("Child script have returned invalid data."));
+                            }
+                        });
+                    }
+                } finally {
+                    synchronized (syncObj) {
+                        tp.running = false;
+                        syncObj.notifyAll();
+                    }
+                }
+            }
+
+        });
+        osmParseThread.start();
+
+        synchronized (syncObj) {
+            try {
+                syncObj.wait(10000);
+            } catch (InterruptedException e) {
+            }
+        }
+        if (tp.running) {
+            new Thread(new PleaseWaitRunnable(name) {
+                @Override
+                protected void realRun() {
+                    try {
+                        progressMonitor.indeterminateSubTask(null);
+                        synchronized (syncObj) {
+                            if (tp.running)
+                                syncObj.wait();
+                        }
+                    } catch (InterruptedException e) {
+                    }
+                }
+
+                @Override
+                protected void cancel() {
+                    synchronized (syncObj) {
+                        tp.running = false;
+                        tp.process.destroy();
+                        syncObj.notifyAll();
+                    }
+                }
+
+                @Override
+                protected void finish() {
+                }
+            }).start();
+        }
+    }
+}
Index: /applications/editors/josm/plugins/ext_tools/src/ext_tools/ExtToolAction.java
===================================================================
--- /applications/editors/josm/plugins/ext_tools/src/ext_tools/ExtToolAction.java	(revision 21930)
+++ /applications/editors/josm/plugins/ext_tools/src/ext_tools/ExtToolAction.java	(revision 21930)
@@ -0,0 +1,62 @@
+package ext_tools;
+
+import static org.openstreetmap.josm.tools.I18n.tr;
+
+import java.awt.event.ActionEvent;
+import java.awt.event.MouseEvent;
+
+import org.openstreetmap.josm.Main;
+import org.openstreetmap.josm.actions.mapmode.MapMode;
+import org.openstreetmap.josm.gui.layer.Layer;
+import org.openstreetmap.josm.gui.layer.OsmDataLayer;
+import org.openstreetmap.josm.tools.ImageProvider;
+
+// TODO: Merge with ExtTool class?
+class ExtToolAction extends MapMode {
+
+    protected MapMode oldMapMode;
+    protected ExtTool tool;
+
+    public ExtToolAction(ExtTool tool) {
+        super(tr(tool.name), "empty", tool.description,
+                null,
+                ImageProvider.getCursor("crosshair", null));
+        this.tool = tool;
+        setEnabled(true);
+    }
+
+    @Override
+    public void actionPerformed(ActionEvent e) {
+        if (Main.map == null || Main.map.mapView == null)
+            return;
+        oldMapMode = Main.map.mapMode;
+        super.actionPerformed(e);
+    }
+
+    @Override
+    public void enterMode() {
+        super.enterMode();
+        Main.map.mapView.addMouseListener(this);
+    }
+
+    @Override
+    public void exitMode() {
+        super.exitMode();
+        Main.map.mapView.removeMouseListener(this);
+    }
+
+    @Override
+    public void mouseClicked(MouseEvent e) {
+        if (Main.map == null || Main.map.mapView == null) {
+            return;
+        }
+
+        tool.runTool(Main.map.mapView.getLatLon(e.getX(), e.getY()));
+        Main.map.selectMapMode(oldMapMode);
+    }
+
+    @Override
+    public boolean layerIsSupported(Layer l) {
+        return l instanceof OsmDataLayer;
+    }
+}
Index: /applications/editors/josm/plugins/ext_tools/src/ext_tools/ExtToolsPlugin.java
===================================================================
--- /applications/editors/josm/plugins/ext_tools/src/ext_tools/ExtToolsPlugin.java	(revision 21930)
+++ /applications/editors/josm/plugins/ext_tools/src/ext_tools/ExtToolsPlugin.java	(revision 21930)
@@ -0,0 +1,39 @@
+package ext_tools;
+
+import java.io.File;
+
+import org.openstreetmap.josm.gui.preferences.PreferenceSetting;
+import org.openstreetmap.josm.plugins.Plugin;
+import org.openstreetmap.josm.plugins.PluginInformation;
+
+import ext_tools.preferences.ExtToolsPreference;
+
+public class ExtToolsPlugin extends Plugin {
+
+    public static ExtToolsPlugin plugin;
+
+    public final ToolsInformation myTools;
+    public final ToolsInformation repoTools;
+
+    public ExtToolsPlugin(PluginInformation info) {
+        super(info);
+
+        plugin = this;
+
+        File plugindir = new File(this.getPluginDir());
+        if (!plugindir.exists())
+            plugindir.mkdirs();
+
+        myTools = new ToolsInformation(new File(plugindir, "tools.cfg").getAbsolutePath());
+        repoTools = new ToolsInformation(new File(plugindir, "repo.cfg").getAbsolutePath());
+
+        for (ExtTool tool : myTools.getToolsList()) {
+            tool.setEnabled(true);
+        }
+    }
+
+    @Override
+    public PreferenceSetting getPreferenceSetting() {
+        return new ExtToolsPreference(this);
+    }
+}
Index: /applications/editors/josm/plugins/ext_tools/src/ext_tools/ToolsInformation.java
===================================================================
--- /applications/editors/josm/plugins/ext_tools/src/ext_tools/ToolsInformation.java	(revision 21930)
+++ /applications/editors/josm/plugins/ext_tools/src/ext_tools/ToolsInformation.java	(revision 21930)
@@ -0,0 +1,64 @@
+package ext_tools;
+
+import java.io.BufferedReader;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
+import java.util.ArrayList;
+import java.util.List;
+
+public class ToolsInformation {
+    String filename;
+
+    ArrayList<ExtTool> tools = new ArrayList<ExtTool>();
+
+    public ToolsInformation(String filename) {
+        this.filename = filename;
+        load();
+    }
+
+    public void load() {
+        try {
+            BufferedReader rdr = new BufferedReader(new InputStreamReader(
+                    new FileInputStream(filename), "UTF-8"));
+            StringBuilder sb = new StringBuilder();
+            String line;
+            while ((line = rdr.readLine()) != null) {
+                sb.append(line).append('\n');
+                if (line.equals("")) {
+                    tools.add(ExtTool.unserialize(sb.toString()));
+                    sb = new StringBuilder();
+                }
+            }
+            rdr.close();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    public void save() {
+        try {
+            OutputStreamWriter w = new OutputStreamWriter(new FileOutputStream(filename),
+                    "UTF-8");
+            for (ExtTool tool : tools)
+                w.write(tool.serialize());
+            w.close();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    public List<ExtTool> getToolsList() {
+        return tools;
+    }
+
+    public void addTool(ExtTool tool) {
+        tools.add(tool);
+    }
+
+    public void removeTool(ExtTool tool) {
+        tool.setEnabled(false);
+        tools.remove(tool);
+    }
+}
Index: /applications/editors/josm/plugins/ext_tools/src/ext_tools/preferences/EditToolDialog.java
===================================================================
--- /applications/editors/josm/plugins/ext_tools/src/ext_tools/preferences/EditToolDialog.java	(revision 21930)
+++ /applications/editors/josm/plugins/ext_tools/src/ext_tools/preferences/EditToolDialog.java	(revision 21930)
@@ -0,0 +1,69 @@
+package ext_tools.preferences;
+
+import static org.openstreetmap.josm.tools.I18n.tr;
+
+import java.awt.Component;
+import java.awt.GridBagConstraints;
+import java.awt.GridBagLayout;
+import java.awt.event.ActionEvent;
+
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JTextField;
+
+import org.openstreetmap.josm.Main;
+import org.openstreetmap.josm.gui.ExtendedDialog;
+import org.openstreetmap.josm.tools.GBC;
+
+import ext_tools.ExtTool;
+
+public class EditToolDialog extends ExtendedDialog {
+    private ExtTool tool;
+
+    private JPanel panel = new JPanel(new GridBagLayout());
+    private JTextField name = new JTextField();
+    private JTextField cmdline = new JTextField();
+
+    private void addLabelled(String str, Component c) {
+        JLabel label = new JLabel(str);
+        panel.add(label, GBC.std());
+        label.setLabelFor(c);
+        panel.add(c, GBC.eol().fill(GridBagConstraints.HORIZONTAL));
+    }
+
+    private void load() {
+        name.setText(tool.name);
+        cmdline.setText(tool.cmdline);
+    }
+
+    private void save() {
+        tool.name = name.getText();
+        tool.cmdline = cmdline.getText();
+    }
+
+    public EditToolDialog(ExtTool tool) {
+        super(Main.parent, tr("Edit tool"),
+                new String[] { tr("OK"), tr("Cancel") },
+                true);
+        contentConstraints = GBC.eol().fill().insets(15, 15, 15, 5);
+        setButtonIcons(new String[] { "ok.png", "cancel.png" });
+
+        this.tool = tool;
+
+        addLabelled(tr("Name:"), name);
+        addLabelled(tr("CmdLine:"), cmdline);
+
+        load();
+
+        setContent(panel);
+        setupDialog();
+    }
+
+    @Override
+    protected void buttonAction(ActionEvent evt) {
+        if (evt.getActionCommand().equals(tr("OK"))) {
+            save();
+        }
+        super.buttonAction(evt);
+    }
+}
Index: /applications/editors/josm/plugins/ext_tools/src/ext_tools/preferences/ExtToolsPreference.java
===================================================================
--- /applications/editors/josm/plugins/ext_tools/src/ext_tools/preferences/ExtToolsPreference.java	(revision 21930)
+++ /applications/editors/josm/plugins/ext_tools/src/ext_tools/preferences/ExtToolsPreference.java	(revision 21930)
@@ -0,0 +1,41 @@
+package ext_tools.preferences;
+
+import static org.openstreetmap.josm.tools.I18n.tr;
+
+import java.awt.GridBagConstraints;
+
+import javax.swing.JPanel;
+import javax.swing.JScrollPane;
+
+import org.openstreetmap.josm.gui.preferences.PreferenceSetting;
+import org.openstreetmap.josm.gui.preferences.PreferenceTabbedPane;
+import org.openstreetmap.josm.tools.GBC;
+
+import ext_tools.ExtToolsPlugin;
+
+public class ExtToolsPreference implements PreferenceSetting {
+
+    ExtToolsPlugin plugin;
+
+    public ExtToolsPreference(ExtToolsPlugin plugin) {
+        this.plugin = plugin;
+    }
+
+    @Override
+    public void addGui(PreferenceTabbedPane gui) {
+        JPanel p = gui.createPreferenceTab("ext", tr("External tools"),
+                tr("Use external scripts in JOSM"));
+        MyToolsPanel tp = new MyToolsPanel(plugin.myTools);
+        tp.refresh();
+        JScrollPane sp = new JScrollPane(tp);
+        p.add(sp, GBC.eol().fill(GridBagConstraints.BOTH));
+    }
+
+    @Override
+    public boolean ok() {
+        plugin.myTools.save();
+        plugin.repoTools.save();
+        return false;
+    }
+
+}
Index: /applications/editors/josm/plugins/ext_tools/src/ext_tools/preferences/MyToolsPanel.java
===================================================================
--- /applications/editors/josm/plugins/ext_tools/src/ext_tools/preferences/MyToolsPanel.java	(revision 21930)
+++ /applications/editors/josm/plugins/ext_tools/src/ext_tools/preferences/MyToolsPanel.java	(revision 21930)
@@ -0,0 +1,117 @@
+package ext_tools.preferences;
+
+import static org.openstreetmap.josm.tools.I18n.tr;
+
+import java.awt.GridBagConstraints;
+import java.awt.GridBagLayout;
+import java.awt.Insets;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JDialog;
+import javax.swing.JOptionPane;
+import javax.swing.JPanel;
+
+import org.openstreetmap.josm.Main;
+
+import ext_tools.ExtTool;
+import ext_tools.ToolsInformation;
+
+public class MyToolsPanel extends JPanel {
+    ToolsInformation tools;
+
+    public MyToolsPanel(ToolsInformation tools) {
+        super(new GridBagLayout());
+        this.tools = tools;
+    }
+
+    public void refresh() {
+        removeAll();
+        GridBagConstraints gbc = new GridBagConstraints();
+        gbc.gridy = 0;
+        gbc.fill = GridBagConstraints.HORIZONTAL;
+        gbc.insets = new Insets(2, 5, 2, 5);
+
+        for (final ExtTool tool : tools.getToolsList()) {
+            gbc.gridx = 0;
+            gbc.weightx = 1.0;
+            gbc.anchor = GridBagConstraints.WEST;
+
+            final JCheckBox cbTool = new JCheckBox(tool.getName());
+            cbTool.setSelected(tool.isEnabled());
+            cbTool.addActionListener(new ActionListener() {
+                public void actionPerformed(ActionEvent e) {
+                    tool.setEnabled(cbTool.isSelected());
+                }
+            });
+            add(cbTool, gbc);
+
+            gbc.gridx = 1;
+            gbc.weightx = 0;
+            gbc.anchor = GridBagConstraints.EAST;
+
+            final JButton bEdit = new JButton(tr("Edit"));
+            bEdit.addActionListener(new ActionListener() {
+                @Override
+                public void actionPerformed(ActionEvent arg0) {
+                    JDialog dlg = new EditToolDialog(tool);
+                    dlg.setVisible(true);
+                    dlg.dispose();
+                    refresh();
+                }
+            });
+            add(bEdit, gbc);
+
+            gbc.gridx = 2;
+            final JButton bDel = new JButton("X");
+            bDel.addActionListener(new ActionListener() {
+                @Override
+                public void actionPerformed(ActionEvent arg0) {
+                    if (JOptionPane.showConfirmDialog(Main.parent,
+                            tr("Delete tool \"{0}\"?", tool.name),
+                            tr("Are you sure?"),
+                            JOptionPane.YES_NO_OPTION,
+                            JOptionPane.QUESTION_MESSAGE) == JOptionPane.YES_OPTION)
+                    {
+                        tools.removeTool(tool);
+                        refresh();
+                    }
+                }
+            });
+            add(bDel, gbc);
+
+            gbc.gridy++;
+        }
+        gbc.gridx = 0;
+        gbc.fill = GridBagConstraints.NONE;
+        gbc.anchor = GridBagConstraints.WEST;
+
+        final JButton bNew = new JButton(tr("New tool..."));
+        bNew.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent arg0) {
+                ExtTool tool = new ExtTool();
+                JDialog dlg = new EditToolDialog(tool);
+                dlg.setVisible(true);
+                dlg.dispose();
+                if (tool.name != null && (!"".equals(tool.name))) {
+                    tools.addTool(tool);
+                    tool.setEnabled(true);
+                }
+                refresh();
+            }
+        });
+        add(bNew, gbc);
+        gbc.gridy++;
+
+        gbc.weightx = 1.0;
+        gbc.weighty = 1.0;
+        gbc.fill = GridBagConstraints.BOTH;
+        add(new JPanel(), gbc);
+        revalidate();
+        repaint();
+    }
+
+}
Index: /applications/editors/josm/plugins/ext_tools/src/ext_tools/preferences/ToolsRepositoryPanel.java
===================================================================
--- /applications/editors/josm/plugins/ext_tools/src/ext_tools/preferences/ToolsRepositoryPanel.java	(revision 21930)
+++ /applications/editors/josm/plugins/ext_tools/src/ext_tools/preferences/ToolsRepositoryPanel.java	(revision 21930)
@@ -0,0 +1,86 @@
+package ext_tools.preferences;
+
+import static org.openstreetmap.josm.tools.I18n.tr;
+
+import java.awt.GridBagConstraints;
+import java.awt.GridBagLayout;
+import java.awt.Insets;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JDialog;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+
+import ext_tools.ExtTool;
+import ext_tools.ToolsInformation;
+
+public class ToolsRepositoryPanel extends JPanel {
+
+    ToolsInformation tools;
+
+    public ToolsRepositoryPanel(ToolsInformation tools) {
+        super(new GridBagLayout());
+        this.tools = tools;
+    }
+
+    public void refresh() {
+        removeAll();
+        GridBagConstraints gbc = new GridBagConstraints();
+        gbc.gridy = 0;
+        gbc.fill = GridBagConstraints.HORIZONTAL;
+        gbc.insets = new Insets(2, 5, 2, 5);
+
+        for (final ExtTool tool : tools.getToolsList()) {
+            gbc.gridx = 0;
+            gbc.weightx = 1.0;
+            gbc.anchor = GridBagConstraints.WEST;
+
+            final JCheckBox cbTool = new JCheckBox(tool.getName());
+            cbTool.setSelected(tool.isEnabled());
+            cbTool.addActionListener(new ActionListener() {
+                public void actionPerformed(ActionEvent e) {
+                    tool.setEnabled(cbTool.isSelected());
+                }
+            });
+            add(cbTool, gbc);
+
+            gbc.gridx = 1;
+            gbc.weightx = 0;
+            gbc.anchor = GridBagConstraints.EAST;
+
+            final JButton bEdit = new JButton(tr("Install"));
+            bEdit.addActionListener(new ActionListener() {
+                @Override
+                public void actionPerformed(ActionEvent arg0) {
+                    JDialog dlg = new EditToolDialog(tool);
+                    dlg.setVisible(true);
+                    dlg.dispose();
+                    refresh();
+                }
+            });
+            add(bEdit, gbc);
+
+            gbc.gridy++;
+            gbc.gridx = 0;
+            gbc.weightx = 1.0;
+            gbc.anchor = GridBagConstraints.WEST;
+
+            JLabel lbl = new JLabel(tool.cmdline);
+            add(lbl, gbc);
+
+            gbc.gridy++;
+        }
+        gbc.gridy++;
+
+        gbc.weightx = 1.0;
+        gbc.weighty = 1.0;
+        gbc.fill = GridBagConstraints.BOTH;
+        add(new JPanel(), gbc);
+        revalidate();
+        repaint();
+    }
+
+}
