Index: applications/editors/josm/plugins/pt_assistant/src/org/openstreetmap/josm/plugins/pt_assistant/actions/ExtractPlatformNodeAction.java
===================================================================
--- applications/editors/josm/plugins/pt_assistant/src/org/openstreetmap/josm/plugins/pt_assistant/actions/ExtractPlatformNodeAction.java	(revision 34231)
+++ applications/editors/josm/plugins/pt_assistant/src/org/openstreetmap/josm/plugins/pt_assistant/actions/ExtractPlatformNodeAction.java	(revision 34231)
@@ -0,0 +1,126 @@
+// License: GPL. For details, see LICENSE file.
+package org.openstreetmap.josm.plugins.pt_assistant.actions;
+
+import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
+import static org.openstreetmap.josm.tools.I18n.tr;
+
+import java.awt.Point;
+import java.awt.event.ActionEvent;
+import java.awt.event.KeyEvent;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.LinkedList;
+import java.util.List;
+
+import javax.swing.JOptionPane;
+
+import org.openstreetmap.josm.actions.JosmAction;
+import org.openstreetmap.josm.command.AddCommand;
+import org.openstreetmap.josm.command.ChangePropertyCommand;
+import org.openstreetmap.josm.command.Command;
+import org.openstreetmap.josm.command.MoveCommand;
+import org.openstreetmap.josm.command.RemoveNodesCommand;
+import org.openstreetmap.josm.command.SequenceCommand;
+import org.openstreetmap.josm.data.osm.DataSet;
+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.gui.MainApplication;
+import org.openstreetmap.josm.gui.Notification;
+import org.openstreetmap.josm.tools.Shortcut;
+
+/**
+ * Extracts node from its ways and adds the public transport tags to it.
+ */
+public class ExtractPlatformNodeAction extends JosmAction {
+
+	/**
+	 * Constructs a new {@code ExtractPointAction}.
+	 */
+	public ExtractPlatformNodeAction() {
+		super(tr("Extract platform node"), null, tr("Extracts platform node from a node"), Shortcut.registerShortcut(
+				"tools:extnode", tr("Tool: {0}", "Extract platform node"), KeyEvent.VK_G, Shortcut.ALT_CTRL), false);
+		putValue("help", ht("/Action/ExtractPlatformNode"));
+		MainApplication.registerActionShortcut(this, Shortcut.registerShortcut("system:ExtractPlatformNodeAction",
+				tr("Edit: {0}", tr("ExtractPlatformNodeAction")), KeyEvent.VK_G, Shortcut.ALT_CTRL));
+	}
+
+	@Override
+	public void actionPerformed(ActionEvent e) {
+		DataSet ds = getLayerManager().getEditDataSet();
+		Collection<OsmPrimitive> selection = ds.getSelected();
+		List<Node> selectedNodes = OsmPrimitive.getFilteredList(selection, Node.class);
+		if (selectedNodes.size() != 1) {
+			new Notification(tr("requires single node to be selected.")).setIcon(JOptionPane.WARNING_MESSAGE).show();
+			return;
+		}
+		Node nd = selectedNodes.get(0);
+		boolean isNodeSuitable = false;
+		if (nd.hasTag("highway")
+				&& (nd.hasTag("highway", "bus_stop") || nd.hasTag("public_transport", "stop_position"))) {
+			isNodeSuitable = true;
+		} else if (nd.hasTag("railway")
+				&& (nd.hasTag("railway", "tram_stop") || nd.hasTag("public_transport", "stop_position"))) {
+			isNodeSuitable = true;
+		}
+
+		if (!isNodeSuitable)
+			return;
+
+		List<Command> cmds = new LinkedList<>();
+
+		Point p = MainApplication.getMap().mapView.getMousePosition();
+		if (p == null)
+			return;
+
+		List<OsmPrimitive> refs = nd.getReferrers();
+		boolean isFirstLastNode = false;
+
+		for (OsmPrimitive pr : refs) {
+			if (pr instanceof Way) {
+				Way w = (Way) pr;
+				if (w.firstNode().equals(nd) || w.lastNode().equals(nd)) {
+					isFirstLastNode = true;
+				}
+			}
+		}
+
+		if (!isFirstLastNode) {
+			cmds.add(new MoveCommand(nd, MainApplication.getMap().mapView.getLatLon(p.x, p.y)));
+			for (OsmPrimitive pr : refs) {
+				if (pr instanceof Way) {
+					Way w = (Way) pr;
+					MainApplication.undoRedo.add(new RemoveNodesCommand(w, Arrays.asList(nd)));
+				}
+			}
+		} else {
+			Node newNode = new Node(MainApplication.getMap().mapView.getLatLon(p.x, p.y));
+			MainApplication.undoRedo.add(new AddCommand(getLayerManager().getEditDataSet(), newNode));
+			MainApplication.undoRedo
+					.add(new ChangePropertyCommand(Collections.singleton(newNode), new HashMap<>(nd.getKeys())));
+			CreatePlatformNodeThroughReplaceAction cpsa = new CreatePlatformNodeThroughReplaceAction();
+			cpsa.modify(newNode, nd);
+			return;
+		}
+
+		MainApplication.undoRedo.add(new SequenceCommand(tr("Extract node from line"), cmds));
+
+		if (nd.hasTag("railway")) {
+			ArrayList<Command> undoCommands = new ArrayList<>();
+			undoCommands.add(new ChangePropertyCommand(nd, "public_transport", "platform"));
+			undoCommands.add(new ChangePropertyCommand(nd, "tram", "yes"));
+			undoCommands.add(new ChangePropertyCommand(nd, "railway", "tram_stop"));
+			MainApplication.undoRedo.add(new SequenceCommand("tag", undoCommands));
+		} else if (nd.hasTag("highway")) {
+			ArrayList<Command> undoCommands = new ArrayList<>();
+			undoCommands.add(new ChangePropertyCommand(nd, "public_transport", "platform"));
+			undoCommands.add(new ChangePropertyCommand(nd, "bus", "yes"));
+			undoCommands.add(new ChangePropertyCommand(nd, "highway", "bus_stop"));
+			MainApplication.undoRedo.add(new SequenceCommand("tag", undoCommands));
+		}
+	}
+
+}