Index: /trunk/data/overpass-turbo-ffs.js
===================================================================
--- /trunk/data/overpass-turbo-ffs.js	(revision 8684)
+++ /trunk/data/overpass-turbo-ffs.js	(revision 8684)
@@ -0,0 +1,3 @@
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+")},"/",{type:"literal",value:"/",description:'"/"'},null,"i",{type:"literal",value:"i",description:'"i"'},"",function(e){return{regex:e[1],modifier:e[3]}},"\\/",{type:"literal",value:"\\/",description:'"\\\\/"'},function(){return"/"},{type:"other",description:"whitespace"},/^[ \t\n\r]/,{type:"class",value:"[ \\t\\n\\r]",description:"[ \\t\\n\\r]"}],f=[u('!7;+<$7!+2%7;+(%4#6!#!!%$##  $"#  "#  '),u('!7"+]$ "7<+&$,#&7<"""  +D%.#""2#3$*) ".%""2%3&+(%4#6\'#!"%$##  $"#  "#  *Ř "!7"+$ "7<+&$,#&7<"""  +h%.(""2(3)*) ".*""2*3++L% "7<+&$,#&7<"""  +3%72+)%4%6,%"$ %$%#  $$#  $##  $"#  "#  *é "!7"+$ "7<+&$,#&7<"""  +h%.-""2-3.*) "./""2/30+L% "7<+&$,#&7<"""  +3%72+)%4%61%"$ %$%#  $$#  $##  $"#  "#  *z "!7"+]$ "7<+&$,#&7<"""  +D%.2""2233*) ".4""2435+(%4#66#!"%$##  $"#  "#  */ "!7"+\' 4!6\'!! %'),u('!7#+™$ "7<+&$,#&7<"""  +€%.7""2738*A ".9""293:*5 ".;""2;3<*) ".=""2=3>+L% "7<+&$,#&7<"""  +3%7"+)%4%6?%"$ %$%#  $$#  $##  $"#  "#  *# "7#'),u('!7$+™$ "7<+&$,#&7<"""  +€%.@""2@3A*A ".B""2B3C*5 ".D""2D3E*) ".F""2F3G+L% "7<+&$,#&7<"""  +3%7#+)%4%6H%"$ %$%#  $$#  $##  $"#  "#  *# "7$'),u('7%*g "!.I""2I3J+V$7;+L%7"+B%7;+8%.K""2K3L+(%4%6M%!"%$%#  $$#  $##  $"#  "#  '),u('7.*Y "7/*S "7&*M "7\'*G "7(*A "7)*; "7**5 "7+*/ "7,*) "7-*# "70'),u('!71+c$7;+Y%.N""2N3O*) ".P""2P3Q+=%7;+3%72+)%4%6R%"$ %$%#  $$#  $##  $"#  "#  '),u('!71+c$7;+Y%.S""2S3T*) ".U""2U3V+=%7;+3%72+)%4%6W%"$ %$%#  $$#  $##  $"#  "#  '),u('!71+h$7;+^%.N""2N3O*) ".P""2P3Q+B%7;+8%.X""2X3Y+(%4%6Z%!$%$%#  $$#  $##  $"#  "#  *Ģ "!72+ė$ "7<+&$,#&7<"""  +þ%!.[""2[3\\+u$ "7<+&$,#&7<"""  +\\%.]""2]3^+L% "7<+&$,#&7<"""  +3%._""2_3`+#%\'%%$%#  $$#  $##  $"#  "#  *† "!.a""2a3b+u$ "7<+&$,#&7<"""  +\\%.c""2c3d+L% "7<+&$,#&7<"""  +3%.e""2e3f+#%\'%%$%#  $$#  $##  $"#  "#  +(%4#6Z#!"%$##  $"#  "#  '),u('!71+h$7;+^%.S""2S3T*) ".U""2U3V+B%7;+8%.X""2X3Y+(%4%6g%!$%$%#  $$#  $##  $"#  "#  *Ð "!72+Å$ "7<+&$,#&7<"""  +¬%!.[""2[3\\+L$ "7<+&$,#&7<"""  +3%._""2_3`+#%\'#%$##  $"#  "#  *] "!.a""2a3b+L$ "7<+&$,#&7<"""  +3%.e""2e3f+#%\'#%$##  $"#  "#  +(%4#6g#!"%$##  $"#  "#  '),u('!71+u$7;+k%.h""2h3i*5 ".j""2j3k*) ".l""2l3m+C%7;+9%72*# "78+)%4%6n%"$ %$%#  $$#  $##  $"#  "#  *’ "!72+‡$ "7<+&$,#&7<"""  +n%.o""2o3p*) ".q""2q3r+R% "7<+&$,#&7<"""  +9%72*# "78+)%4%6n%"$ %$%#  $$#  $##  $"#  "#  '),u('!.j""2j3k+‰$7;+%72+u%7;+k%.h""2h3i*5 ".j""2j3k*) ".l""2l3m+C%7;+9%72*# "78+)%4\'6s\'"$ %$\'#  $&#  $%#  $$#  $##  $"#  "#  '),u('!71+]$7;+S%.t""2t3u+C%7;+9%72*# "78+)%4%6v%"$ %$%#  $$#  $##  $"#  "#  *ú "!72+ï$ "7<+&$,#&7<"""  +Ö%!.]""2]3^+L$ "7<+&$,#&7<"""  +3%.o""2o3p+#%\'#%$##  $"#  "#  *] "!.c""2c3d+L$ "7<+&$,#&7<"""  +3%.q""2q3r+#%\'#%$##  $"#  "#  +R% "7<+&$,#&7<"""  +9%72*# "78+)%4%6v%"$ %$%#  $$#  $##  $"#  "#  '),u('!72+W$7;+M%.w""2w3x+=%7;+3%72+)%4%6y%"$ %$%#  $$#  $##  $"#  "#  '),u('!.z""2z3{+V$7;+L%.w""2w3x+<%7;+2%72+(%4%6|%! %$%#  $$#  $##  $"#  "#  '),u('!.}""2}3~*A ".""23€*5 ".""23‚*) ".ƒ""2ƒ3„+W$7;+M%.w""2w3x+=%7;+3%72+)%4%6
+%"$ %$%#  $$#  $##  $"#  "#  '),u("!72+' 4!6†!! %"),u('8! "0ˆ""1!3‰+,$,)&0ˆ""1!3‰"""  +\' 4!6Š!! %*‹ "!!.‹""2‹3Œ+=$73+3%.‹""2‹3Œ+#%\'#%$##  $"#  "#  *N "!.""23Ž+=$74+3%.""23Ž+#%\'#%$##  $"#  "#  +\' 4!6!! %9*" 3‡'),u('8! "0‘""1!3’+,$,)&0‘""1!3’"""  +\' 4!6Š!! %*‹ "!!.‹""2‹3Œ+=$73+3%.‹""2‹3Œ+#%\'#%$##  $"#  "#  *N "!.""23Ž+=$74+3%.""23Ž+#%\'#%$##  $"#  "#  +\' 4!6!! %9*" 3'),u('! "75,#&75"+\' 4!6“!! %'),u('! "76,#&76"+\' 4!6“!! %'),u('!!8.‹""2‹3Œ*) ".•""2•3–9*$$"" ”"#  +7$-""1!3—+(%4"6˜"! %$"#  "#  *C "!.•""2•3–+2$77+(%4"6™"! %$"#  "#  '),u('!!8.""23Ž*) ".•""2•3–9*$$"" ”"#  +7$-""1!3—+(%4"6˜"! %$"#  "#  *C "!.•""2•3–+2$77+(%4"6™"! %$"#  "#  '),u('!0š""1!3›+\' 4!6œ!! %'),u('8!!.""23ž+Y$79+O%.""23ž+?%. ""2 3¡*# " ¢*# " Ÿ+#%\'$%$$#  $##  $"#  "#  +\' 4!6£!! %9*" 3'),u('! "7:+&$,#&7:"""  +\' 4!6“!! %'),u('!!8.""23ž*) ".¤""2¤3¥9*$$"" ”"#  +7$-""1!3—+(%4"6˜"! %$"#  "#  *4 "!.¤""2¤3¥+& 4!6¦! %'),u('8 "7<,#&7<"9*" 3§'),u('80¨""1!3©9*" 3§')],y=0,d=0,h=0,v={line:1,column:1,seenCR:!1},g=0,k=[],b=0;if("startRule"in o){if(!(o.startRule in c))throw new Error("Can't start parsing from rule \""+o.startRule+'".');p=c[o.startRule]}if(s=i(p),s!==l&&y===e.length)return s;throw s!==l&&y<e.length&&n({type:"end",description:"end of input"}),a(null,k,g)}return e(r,Error),{SyntaxError:r,parse:t}}();
Index: /trunk/src/org/openstreetmap/josm/actions/OverpassDownloadAction.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/actions/OverpassDownloadAction.java	(revision 8684)
+++ /trunk/src/org/openstreetmap/josm/actions/OverpassDownloadAction.java	(revision 8684)
@@ -0,0 +1,225 @@
+// License: GPL. For details, see LICENSE file.
+package org.openstreetmap.josm.actions;
+
+import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
+import static org.openstreetmap.josm.tools.I18n.tr;
+
+import java.awt.Component;
+import java.awt.event.ActionEvent;
+import java.io.UnsupportedEncodingException;
+import java.net.URLEncoder;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.concurrent.Future;
+
+import javax.swing.*;
+
+import org.openstreetmap.josm.Main;
+import org.openstreetmap.josm.actions.downloadtasks.DownloadOsmTask;
+import org.openstreetmap.josm.actions.downloadtasks.PostDownloadHandler;
+import org.openstreetmap.josm.data.Bounds;
+import org.openstreetmap.josm.data.DataSource;
+import org.openstreetmap.josm.data.osm.DataSet;
+import org.openstreetmap.josm.data.preferences.CollectionProperty;
+import org.openstreetmap.josm.data.preferences.StringProperty;
+import org.openstreetmap.josm.gui.HelpAwareOptionPane;
+import org.openstreetmap.josm.gui.download.DownloadDialog;
+import org.openstreetmap.josm.gui.progress.ProgressMonitor;
+import org.openstreetmap.josm.gui.widgets.HistoryComboBox;
+import org.openstreetmap.josm.io.BoundingBoxDownloader;
+import org.openstreetmap.josm.io.OsmTransferException;
+import org.openstreetmap.josm.tools.GBC;
+import org.openstreetmap.josm.tools.Utils;
+
+public class OverpassDownloadAction extends JosmAction {
+
+    public OverpassDownloadAction() {
+        super(tr("Download from Overpass API ..."), "download-overpass", tr("Download map data from Overpass API server."),
+                null, true, "overpassdownload/download", true);
+        putValue("help", ht("/Action/OverpassDownload"));
+    }
+
+    @Override
+    public void actionPerformed(ActionEvent e) {
+        OverpassDownloadDialog dialog = OverpassDownloadDialog.getInstance();
+        dialog.restoreSettings();
+        dialog.setVisible(true);
+        if (!dialog.isCanceled()) {
+            dialog.rememberSettings();
+            Bounds area = dialog.getSelectedDownloadArea();
+            DownloadOsmTask task = new DownloadOsmTask();
+            Future<?> future = task.download(
+                    new OverpassDownloadReader(area, dialog.getOverpassQuery()),
+                    dialog.isNewLayerRequired(), area, null);
+            Main.worker.submit(new PostDownloadHandler(task, future));
+        }
+    }
+
+    static class OverpassDownloadDialog extends DownloadDialog {
+
+        protected HistoryComboBox overpassWizard;
+        protected JTextArea overpassQuery;
+        private static OverpassDownloadDialog instance;
+        static final CollectionProperty OVERPASS_WIZARD_HISTORY = new CollectionProperty("download.overpass.wizard", new ArrayList<String>());
+
+        private OverpassDownloadDialog(Component parent) {
+            super(parent);
+            cbDownloadOsmData.setEnabled(false);
+            cbDownloadOsmData.setSelected(false);
+            cbDownloadGpxData.setVisible(false);
+            cbDownloadNotes.setVisible(false);
+            cbStartup.setVisible(false);
+        }
+
+        static public OverpassDownloadDialog getInstance() {
+            if (instance == null) {
+                instance = new OverpassDownloadDialog(Main.parent);
+            }
+            return instance;
+        }
+
+        @Override
+        protected void buildMainPanelAboveDownloadSelections(JPanel pnl) {
+
+            pnl.add(new JLabel(), GBC.eol()); // needed for the invisible checkboxes cbDownloadGpxData, cbDownloadNotes
+
+            final String tooltip = tr("Builds an Overpass query using the Overpass Turbo query wizard");
+            overpassWizard = new HistoryComboBox();
+            overpassWizard.setToolTipText(tooltip);
+            final JButton buildQuery = new JButton(tr("Build query"));
+            buildQuery.addActionListener(new AbstractAction() {
+                @Override
+                public void actionPerformed(ActionEvent e) {
+                    final String overpassWizardText = overpassWizard.getText();
+                    try {
+                        overpassQuery.setText(OverpassTurboQueryWizard.getInstance().constructQuery(overpassWizardText));
+                    } catch (OverpassTurboQueryWizard.ParseException ex) {
+                        HelpAwareOptionPane.showOptionDialog(
+                                Main.parent,
+                                tr("<html>The Overpass wizard could not parse the following query:"
+                                        + Utils.joinAsHtmlUnorderedList(Collections.singleton(overpassWizardText))),
+                                tr("Parse error"),
+                                JOptionPane.ERROR_MESSAGE,
+                                null
+                        );
+                    }
+                }
+            });
+            buildQuery.setToolTipText(tooltip);
+            pnl.add(buildQuery, GBC.std().insets(5, 5, 5, 5));
+            pnl.add(overpassWizard, GBC.eol().fill(GBC.HORIZONTAL));
+
+            overpassQuery = new JTextArea("[timeout:15];", 8, 80);
+            JScrollPane scrollPane = new JScrollPane(overpassQuery);
+            pnl.add(new JLabel(tr("Overpass query: ")), GBC.std().insets(5, 5, 5, 5));
+            GBC gbc = GBC.eol().fill(GBC.HORIZONTAL);
+            gbc.ipady = 200;
+            pnl.add(scrollPane, gbc);
+        }
+
+        public String getOverpassQuery() {
+            return overpassQuery.getText();
+        }
+
+        @Override
+        public void restoreSettings() {
+            super.restoreSettings();
+            overpassWizard.setPossibleItems(OVERPASS_WIZARD_HISTORY.get());
+        }
+
+        @Override
+        public void rememberSettings() {
+            super.rememberSettings();
+            overpassWizard.addCurrentItemToHistory();
+            OVERPASS_WIZARD_HISTORY.put(overpassWizard.getHistory());
+        }
+
+    }
+
+    static class OverpassDownloadReader extends BoundingBoxDownloader {
+
+        final String overpassQuery;
+        static final StringProperty OVERPASS_URL = new StringProperty("download.overpass.url", "https://overpass-api.de/api/");
+
+        public OverpassDownloadReader(Bounds downloadArea, String overpassQuery) {
+            super(downloadArea);
+            this.overpassQuery = overpassQuery.trim();
+        }
+
+        @Override
+        protected String getBaseUrl() {
+            return OVERPASS_URL.get();
+        }
+
+        @Override
+        protected String getRequestForBbox(double lon1, double lat1, double lon2, double lat2) {
+            if (overpassQuery.isEmpty())
+                return super.getRequestForBbox(lon1, lat1, lon2, lat2);
+            else {
+                String realQuery = completeOverpassQuery(overpassQuery);
+                try {
+                    return "interpreter?data=" + URLEncoder.encode(realQuery, "UTF-8") + "&bbox=" + lon1 + "," + lat1 + "," + lon2 + "," + lat2;
+                } catch (UnsupportedEncodingException e) {
+                    throw new IllegalStateException();
+                }
+            }
+        }
+
+        private String completeOverpassQuery(String query) {
+            int firstColon = query.indexOf(";");
+            if (firstColon == -1) {
+                return "[bbox];" + query;
+            }
+            int bboxPos = query.indexOf("[bbox");
+            if (bboxPos > -1 && bboxPos < firstColon) {
+                return query;
+            }
+
+            int bracketCount = 0;
+            int pos = 0;
+            for (; pos < firstColon; ++pos) {
+                if (query.charAt(pos) == '[')
+                    ++bracketCount;
+                else if (query.charAt(pos) == '[')
+                    --bracketCount;
+                else if (bracketCount == 0) {
+                    if (!Character.isWhitespace(query.charAt(pos)))
+                        break;
+                }
+            }
+
+            if (pos < firstColon) {
+                // We start with a statement, not with declarations
+                return "[bbox];" + query;
+            }
+
+            // We start with declarations. Add just one more declaration in this case.
+            return "[bbox]" + query;
+        }
+
+        @Override
+        public DataSet parseOsm(ProgressMonitor progressMonitor) throws OsmTransferException {
+
+            DataSet ds = super.parseOsm(progressMonitor);
+
+            // add bounds if necessary (note that Overpass API does not return bounds in the response XML)
+            if (ds != null && ds.dataSources.isEmpty()) {
+                if (crosses180th) {
+                    Bounds bounds = new Bounds(lat1, lon1, lat2, 180.0);
+                    DataSource src = new DataSource(bounds, getBaseUrl());
+                    ds.dataSources.add(src);
+
+                    bounds = new Bounds(lat1, -180.0, lat2, lon2);
+                    src = new DataSource(bounds, getBaseUrl());
+                    ds.dataSources.add(src);
+                } else {
+                    Bounds bounds = new Bounds(lat1, lon1, lat2, lon2);
+                    DataSource src = new DataSource(bounds, getBaseUrl());
+                    ds.dataSources.add(src);
+                }
+            }
+
+            return ds;
+        }
+    }
+}
Index: /trunk/src/org/openstreetmap/josm/actions/OverpassTurboQueryWizard.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/actions/OverpassTurboQueryWizard.java	(revision 8684)
+++ /trunk/src/org/openstreetmap/josm/actions/OverpassTurboQueryWizard.java	(revision 8684)
@@ -0,0 +1,81 @@
+// License: GPL. For details, see LICENSE file.
+package org.openstreetmap.josm.actions;
+
+import javax.script.Invocable;
+import javax.script.ScriptEngine;
+import javax.script.ScriptEngineManager;
+import javax.script.ScriptException;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.Reader;
+import java.nio.charset.StandardCharsets;
+import java.util.regex.Pattern;
+
+/**
+ * Uses <a href="https://github.com/tyrasd/overpass-turbo/">Overpass Turbo</a> query wizard code
+ * to build an Overpass QL from a {@link org.openstreetmap.josm.actions.search.SearchAction} like query.
+ *
+ * Requires a JavaScript {@link ScriptEngine}.
+ */
+public class OverpassTurboQueryWizard {
+
+    private static OverpassTurboQueryWizard instance;
+    private final ScriptEngine engine = new ScriptEngineManager().getEngineByName("JavaScript");
+
+    /**
+     * An exception to indicate a failed parse.
+     */
+    public static class ParseException extends RuntimeException {
+    }
+
+    /**
+     * Replies the unique instance of this class.
+     *
+     * @return the unique instance of this class
+     */
+    public static synchronized OverpassTurboQueryWizard getInstance() {
+        if (instance == null) {
+            instance = new OverpassTurboQueryWizard();
+        }
+        return instance;
+    }
+
+    private OverpassTurboQueryWizard() {
+        // overpass-turbo is MIT Licensed
+
+        try (final Reader reader = new InputStreamReader(
+                getClass().getResourceAsStream("/data/overpass-turbo-ffs.js"), StandardCharsets.UTF_8)) {
+            //engine.eval("var turbo = {ffs: {noPresets: true}};");
+            engine.eval("var console = {log: function(){}};");
+            engine.eval(reader);
+            engine.eval("var construct_query = turbo.ffs().construct_query;");
+        } catch (ScriptException | IOException ex) {
+            throw new RuntimeException("Failed to initialize OverpassTurboQueryWizard", ex);
+        }
+    }
+
+    /**
+     * Builds an Overpass QL from a {@link org.openstreetmap.josm.actions.search.SearchAction} like query.
+     * @param search the {@link org.openstreetmap.josm.actions.search.SearchAction} like query
+     * @return an Overpass QL query
+     * @throws ParseException when the parsing fails
+     */
+    public String constructQuery(String search) throws ParseException {
+        try {
+            final Object result = ((Invocable) engine).invokeFunction("construct_query", search);
+            if (result == Boolean.FALSE) {
+                throw new ParseException();
+            }
+            String query = (String) result;
+            query = Pattern.compile("^.*\\[out:json\\]", Pattern.DOTALL).matcher(query).replaceFirst("");
+            query = Pattern.compile("^out.*", Pattern.MULTILINE).matcher(query).replaceAll("out meta;");
+            query = query.replace("({{bbox}})", "");
+            return query;
+        } catch (NoSuchMethodException e) {
+            throw new IllegalStateException();
+        } catch (ScriptException e) {
+            throw new RuntimeException("Failed to execute OverpassTurboQueryWizard", e);
+        }
+    }
+
+}
Index: /trunk/src/org/openstreetmap/josm/gui/MainMenu.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/gui/MainMenu.java	(revision 8683)
+++ /trunk/src/org/openstreetmap/josm/gui/MainMenu.java	(revision 8684)
@@ -82,4 +82,5 @@
 import org.openstreetmap.josm.actions.OrthogonalizeAction;
 import org.openstreetmap.josm.actions.OrthogonalizeAction.Undo;
+import org.openstreetmap.josm.actions.OverpassDownloadAction;
 import org.openstreetmap.josm.actions.PasteAction;
 import org.openstreetmap.josm.actions.PasteTagsAction;
@@ -169,4 +170,6 @@
     /** File / Download from OSM... **/
     public final DownloadAction download = new DownloadAction();
+    /** File / Download from Overpass API... **/
+    public final OverpassDownloadAction overpassDownload = new OverpassDownloadAction();
     /** File / Download object... **/
     public final DownloadPrimitiveAction downloadPrimitive = new DownloadPrimitiveAction();
@@ -642,4 +645,5 @@
         fileMenu.addSeparator();
         add(fileMenu, download);
+        add(fileMenu, overpassDownload);
         add(fileMenu, downloadPrimitive);
         add(fileMenu, searchNotes);
Index: /trunk/test/unit/org/openstreetmap/josm/actions/OverpassTurboQueryWizardTest.java
===================================================================
--- /trunk/test/unit/org/openstreetmap/josm/actions/OverpassTurboQueryWizardTest.java	(revision 8684)
+++ /trunk/test/unit/org/openstreetmap/josm/actions/OverpassTurboQueryWizardTest.java	(revision 8684)
@@ -0,0 +1,44 @@
+// License: GPL. For details, see LICENSE file.
+package org.openstreetmap.josm.actions;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.junit.Assert.assertThat;
+
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.openstreetmap.josm.JOSMFixture;
+
+public class OverpassTurboQueryWizardTest {
+
+    /**
+     * Setup test.
+     */
+    @BeforeClass
+    public static void setUp() {
+        JOSMFixture.createUnitTestFixture().init(true);
+        OverpassTurboQueryWizard.getInstance();
+    }
+
+    @Test
+    public void testKeyValue() throws Exception {
+        final String query = OverpassTurboQueryWizard.getInstance().constructQuery("amenity=drinking_water");
+        assertThat(query, is("" +
+                "[timeout:25];\n" +
+                "// gather results\n" +
+                "(\n" +
+                "  // query part for: “amenity=drinking_water”\n" +
+                "  node[\"amenity\"=\"drinking_water\"];\n" +
+                "  way[\"amenity\"=\"drinking_water\"];\n" +
+                "  relation[\"amenity\"=\"drinking_water\"];\n" +
+                ");\n" +
+                "// print results\n" +
+                "out meta;\n" +
+                ">;\n" +
+                "out meta;"));
+    }
+
+    @Test(expected = OverpassTurboQueryWizard.ParseException.class)
+    public void testErroneous() throws Exception {
+        OverpassTurboQueryWizard.getInstance().constructQuery("foo");
+    }
+}