// License: GPL. Copyright 2007 by Immanuel Scholz and others
package org.openstreetmap.josm.gui.dialogs;
import static org.openstreetmap.josm.tools.I18n.tr;
import static org.openstreetmap.josm.tools.I18n.trn;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.GridLayout;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;
import java.util.logging.Logger;
import javax.swing.AbstractAction;
import javax.swing.AbstractListModel;
import javax.swing.BorderFactory;
import javax.swing.DefaultListSelectionModel;
import javax.swing.JButton;
import javax.swing.JList;
import javax.swing.JMenuItem;
import javax.swing.JPanel;
import javax.swing.JPopupMenu;
import javax.swing.JScrollPane;
import javax.swing.ListSelectionModel;
import javax.swing.SwingConstants;
import javax.swing.SwingUtilities;
import javax.swing.event.ListDataEvent;
import javax.swing.event.ListDataListener;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import javax.swing.plaf.basic.BasicArrowButton;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.actions.AutoScaleAction;
import org.openstreetmap.josm.actions.search.SearchAction.SearchSetting;
import org.openstreetmap.josm.data.SelectionChangedListener;
import org.openstreetmap.josm.data.osm.Node;
import org.openstreetmap.josm.data.osm.OsmPrimitive;
import org.openstreetmap.josm.data.osm.OsmPrimitiveType;
import org.openstreetmap.josm.data.osm.Relation;
import org.openstreetmap.josm.data.osm.Way;
import org.openstreetmap.josm.data.osm.event.AbstractDatasetChangedEvent;
import org.openstreetmap.josm.data.osm.event.DataChangedEvent;
import org.openstreetmap.josm.data.osm.event.DataSetListener;
import org.openstreetmap.josm.data.osm.event.DatasetEventManager;
import org.openstreetmap.josm.data.osm.event.NodeMovedEvent;
import org.openstreetmap.josm.data.osm.event.PrimitivesAddedEvent;
import org.openstreetmap.josm.data.osm.event.PrimitivesRemovedEvent;
import org.openstreetmap.josm.data.osm.event.RelationMembersChangedEvent;
import org.openstreetmap.josm.data.osm.event.SelectionEventManager;
import org.openstreetmap.josm.data.osm.event.TagsChangedEvent;
import org.openstreetmap.josm.data.osm.event.WayNodesChangedEvent;
import org.openstreetmap.josm.data.osm.event.DatasetEventManager.FireMode;
import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor;
import org.openstreetmap.josm.gui.DefaultNameFormatter;
import org.openstreetmap.josm.gui.MapView;
import org.openstreetmap.josm.gui.OsmPrimitivRenderer;
import org.openstreetmap.josm.gui.SideButton;
import org.openstreetmap.josm.gui.MapView.EditLayerChangeListener;
import org.openstreetmap.josm.gui.dialogs.relation.DownloadRelationMemberTask;
import org.openstreetmap.josm.gui.layer.OsmDataLayer;
import org.openstreetmap.josm.gui.widgets.PopupMenuLauncher;
import org.openstreetmap.josm.tools.ImageProvider;
import org.openstreetmap.josm.tools.Shortcut;
/**
* A small tool dialog for displaying the current selection.
*
*/
public class SelectionListDialog extends ToggleDialog {
@SuppressWarnings("unused")
static private final Logger logger = Logger.getLogger(SelectionListDialog.class.getName());
private JList lstPrimitives;
private SelectionListModel model;
private SelectAction actSelect;
private SearchAction actSearch;
private ZoomToJOSMSelectionAction actZoomToJOSMSelection;
private ZoomToListSelection actZoomToListSelection;
private DownloadSelectedIncompleteMembersAction actDownloadSelectedIncompleteMembers;
/**
* Builds the panel with the list of selected OSM primitives
*
* @return the panel with the list of selected OSM primitives
*/
protected JPanel buildListPanel() {
JPanel pnl = new JPanel(new BorderLayout());
DefaultListSelectionModel selectionModel = new DefaultListSelectionModel();
model = new SelectionListModel(selectionModel);
lstPrimitives = new JList(model);
lstPrimitives.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
lstPrimitives.setSelectionModel(selectionModel);
lstPrimitives.setCellRenderer(new OsmPrimitivRenderer());
pnl.add(new JScrollPane(lstPrimitives), BorderLayout.CENTER);
return pnl;
}
/**
* Builds the row of action buttons at the bottom of this dialog
*
* @return the panel
*/
protected JPanel buildActionPanel() {
JPanel pnl = new JPanel(new GridLayout(1,2));
// the select action
final JButton selectButton = new SideButton(actSelect = new SelectAction());
lstPrimitives.getSelectionModel().addListSelectionListener(actSelect);
pnl.add(selectButton);
BasicArrowButton selectionHistoryMenuButton = createArrowButton(selectButton);
selectionHistoryMenuButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
SelectionHistoryPopup.launch(selectButton, model.getSelectionHistory());
}
});
// the search button
final JButton searchButton = new SideButton(actSearch = new SearchAction());
pnl.add(searchButton);
BasicArrowButton searchHistoryMenuButton = createArrowButton(searchButton);
searchHistoryMenuButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
SearchPopupMenu.launch(searchButton);
}
});
return pnl;
}
/**
* Builds the content panel for this dialog
*
* @return the content panel
*/
protected JPanel buildContentPanel() {
JPanel pnl = new JPanel(new BorderLayout());
pnl.add(buildListPanel(), BorderLayout.CENTER);
pnl.add(buildActionPanel(), BorderLayout.SOUTH);
return pnl;
}
public SelectionListDialog() {
super(tr("Current Selection"), "selectionlist", tr("Open a selection list window."),
Shortcut.registerShortcut("subwindow:selection", tr("Toggle: {0}", tr("Current Selection")), KeyEvent.VK_T, Shortcut.GROUP_LAYER, Shortcut.SHIFT_DEFAULT),
150, // default height
true // default is "show dialog"
);
add(buildContentPanel(), BorderLayout.CENTER);
model.addListDataListener(new TitleUpdater());
actZoomToJOSMSelection = new ZoomToJOSMSelectionAction();
model.addListDataListener(actZoomToJOSMSelection);
actZoomToListSelection = new ZoomToListSelection();
lstPrimitives.getSelectionModel().addListSelectionListener(actZoomToListSelection);
actDownloadSelectedIncompleteMembers = new DownloadSelectedIncompleteMembersAction();
lstPrimitives.getSelectionModel().addListSelectionListener(actDownloadSelectedIncompleteMembers);
lstPrimitives.addMouseListener(new SelectionPopupMenuLauncher());
lstPrimitives.addMouseListener(new DblClickHandler());
}
@Override
public void showNotify() {
MapView.addEditLayerChangeListener(model);
SelectionEventManager.getInstance().addSelectionListener(model, FireMode.IN_EDT_CONSOLIDATED);
DatasetEventManager.getInstance().addDatasetListener(model, FireMode.IN_EDT);
MapView.addEditLayerChangeListener(actSearch);
if (Main.map.mapView.getEditLayer() != null) {
model.setJOSMSelection(Main.map.mapView.getEditLayer().data.getSelected());
}
}
@Override
public void hideNotify() {
MapView.removeEditLayerChangeListener(actSearch);
MapView.removeEditLayerChangeListener(model);
SelectionEventManager.getInstance().removeSelectionListener(model);
DatasetEventManager.getInstance().removeDatasetListener(model);
}
private BasicArrowButton createArrowButton(JButton parentButton) {
BasicArrowButton arrowButton = new BasicArrowButton(SwingConstants.SOUTH, null, null, Color.BLACK, null);
arrowButton.setBorder(BorderFactory.createEmptyBorder());
parentButton.setLayout(new BorderLayout());
parentButton.add(arrowButton, BorderLayout.EAST);
return arrowButton;
}
/**
* Responds to double clicks on the list of selected objects
*/
class DblClickHandler extends MouseAdapter {
@Override
public void mouseClicked(MouseEvent e) {
if (e.getClickCount() < 2 || ! SwingUtilities.isLeftMouseButton(e)) return;
int idx = lstPrimitives.locationToIndex(e.getPoint());
if (idx < 0) return;
OsmDataLayer layer = Main.main.getEditLayer();
if(layer == null) return;
layer.data.setSelected(Collections.singleton((OsmPrimitive)model.getElementAt(idx)));
}
}
/**
* The popup menu launcher
*/
class SelectionPopupMenuLauncher extends PopupMenuLauncher {
private SelectionPopup popup = new SelectionPopup();
@Override
public void launch(MouseEvent evt) {
if (model.getSelected().isEmpty()) {
int idx = lstPrimitives.locationToIndex(evt.getPoint());
if (idx < 0) return;
model.setSelected(Collections.singleton((OsmPrimitive)model.getElementAt(idx)));
}
popup.show(lstPrimitives, evt.getX(), evt.getY());
}
}
/**
* The popup menu for the selection list
*/
class SelectionPopup extends JPopupMenu {
public SelectionPopup() {
add(actZoomToJOSMSelection);
add(actZoomToListSelection);
addSeparator();
add(actDownloadSelectedIncompleteMembers);
}
}
/**
* Updates the dialog title with a summary of the current JOSM selection
*/
class TitleUpdater implements ListDataListener {
protected void updateTitle() {
setTitle(model.getJOSMSelectionSummary());
}
public void contentsChanged(ListDataEvent e) {
updateTitle();
}
public void intervalAdded(ListDataEvent e) {
updateTitle();
}
public void intervalRemoved(ListDataEvent e) {
updateTitle();
}
}
/**
* Launches the search dialog
*/
class SearchAction extends AbstractAction implements EditLayerChangeListener {
public SearchAction() {
putValue(NAME, tr("Search"));
putValue(SHORT_DESCRIPTION, tr("Search for objects"));
putValue(SMALL_ICON, ImageProvider.get("dialogs","select"));
updateEnabledState();
}
public void actionPerformed(ActionEvent e) {
if (!isEnabled()) return;
org.openstreetmap.josm.actions.search.SearchAction.search();
}
public void updateEnabledState() {
setEnabled(Main.main != null && Main.main.getEditLayer() != null);
}
public void editLayerChanged(OsmDataLayer oldLayer, OsmDataLayer newLayer) {
updateEnabledState();
}
}
/**
* Sets the current JOSM selection to the OSM primitives selected in the list
* of this dialog
*/
class SelectAction extends AbstractAction implements ListSelectionListener {
public SelectAction() {
putValue(NAME, tr("Select"));
putValue(SHORT_DESCRIPTION, tr("Set the selected elements on the map to the selected items in the list above."));
putValue(SMALL_ICON, ImageProvider.get("dialogs","select"));
updateEnabledState();
}
public void actionPerformed(ActionEvent e) {
Collection<OsmPrimitive> sel = model.getSelected();
if (sel.isEmpty())return;
if (Main.map == null || Main.map.mapView == null || Main.map.mapView.getEditLayer() == null) return;
Main.map.mapView.getEditLayer().data.setSelected(sel);
}
public void updateEnabledState() {
setEnabled(!model.getSelected().isEmpty());
}
public void valueChanged(ListSelectionEvent e) {
updateEnabledState();
}
}
/**
* The action for zooming to the primitives in the current JOSM selection
*
*/
class ZoomToJOSMSelectionAction extends AbstractAction implements ListDataListener {
public ZoomToJOSMSelectionAction() {
putValue(NAME,tr("Zoom to selection"));
putValue(SHORT_DESCRIPTION, tr("Zoom to selection"));
putValue(SMALL_ICON, ImageProvider.get("dialogs/autoscale", "selection"));
updateEnabledState();
}
public void actionPerformed(ActionEvent e) {
new AutoScaleAction("selection").autoScale();
}
public void updateEnabledState() {
setEnabled(model.getSize() > 0);
}
public void contentsChanged(ListDataEvent e) {
updateEnabledState();
}
public void intervalAdded(ListDataEvent e) {
updateEnabledState();
}
public void intervalRemoved(ListDataEvent e) {
updateEnabledState();
}
}
/**
* The action for zooming to the primitives which are currently selected in
* the list displaying the JOSM selection
*
*/
class ZoomToListSelection extends AbstractAction implements ListSelectionListener{
public ZoomToListSelection() {
putValue(NAME, tr("Zoom to selected element(s)"));
putValue(SHORT_DESCRIPTION, tr("Zoom to selected element(s)"));
putValue(SMALL_ICON, ImageProvider.get("dialogs/autoscale", "selection"));
updateEnabledState();
}
public void actionPerformed(ActionEvent e) {
BoundingXYVisitor box = new BoundingXYVisitor();
Collection<OsmPrimitive> sel = model.getSelected();
if (sel.isEmpty()) return;
box.computeBoundingBox(sel);
if (box.getBounds() == null)
return;
box.enlargeBoundingBox();
Main.map.mapView.recalculateCenterScale(box);
}
public void updateEnabledState() {
setEnabled(!model.getSelected().isEmpty());
}
public void valueChanged(ListSelectionEvent e) {
updateEnabledState();
}
}
/**
* The list model for the list of OSM primitives in the current JOSM selection.
*
* The model also maintains a history of the last {@see SelectionListModel#SELECTION_HISTORY_SIZE}
* JOSM selection.
*
*/
static private class SelectionListModel extends AbstractListModel implements EditLayerChangeListener, SelectionChangedListener, DataSetListener{
private static final int SELECTION_HISTORY_SIZE = 10;
private final LinkedList<Collection<? extends OsmPrimitive>> history = new LinkedList<Collection<? extends OsmPrimitive>>();
private final List<OsmPrimitive> selection = new ArrayList<OsmPrimitive>();
private DefaultListSelectionModel selectionModel;
/**
* Constructor
* @param selectionModel the selection model used in the list
*/
public SelectionListModel(DefaultListSelectionModel selectionModel) {
this.selectionModel = selectionModel;
}
/**
* Replies a summary of the current JOSM selection
*
* @return a summary of the current JOSM selection
*/
public String getJOSMSelectionSummary() {
if (selection.isEmpty()) return tr("Selection");
int numNodes = 0;
int numWays = 0;
int numRelations = 0;
for (OsmPrimitive p: selection) {
switch(p.getType()) {
case NODE: numNodes++; break;
case WAY: numWays++; break;
case RELATION: numRelations++; break;
}
}
return tr("Sel.: Rel.:{0} / Ways:{1} / Nodes:{2}", numRelations, numWays, numNodes);
}
/**
* Remembers a JOSM selection the history of JOSM selections
*
* @param selection the JOSM selection. Ignored if null or empty.
*/
public void remember(Collection<? extends OsmPrimitive> selection) {
if (selection == null)return;
if (selection.isEmpty())return;
if (history.isEmpty()) {
history.add(selection);
return;
}
if (history.getFirst().equals(selection)) return;
history.addFirst(selection);
while (history.size() > SELECTION_HISTORY_SIZE) {
history.removeLast();
}
}
/**
* Replies the history of JOSM selections
*
* @return
*/
public List<Collection<? extends OsmPrimitive>> getSelectionHistory() {
return history;
}
public Object getElementAt(int index) {
return selection.get(index);
}
public int getSize() {
return selection.size();
}
/**
* Replies the collection of OSM primitives currently selected in the view
* of this model
*
* @return
*/
public Collection<OsmPrimitive> getSelected() {
Set<OsmPrimitive> sel = new HashSet<OsmPrimitive>();
for(int i=0; i< getSize();i++) {
if (selectionModel.isSelectedIndex(i)) {
sel.add(selection.get(i));
}
}
return sel;
}
/**
* Sets the OSM primitives to be selected in the view of this model
*
* @param sel the collection of primitives to select
*/
public void setSelected(Collection<OsmPrimitive> sel) {
selectionModel.clearSelection();
if (sel == null) return;
for (OsmPrimitive p: sel){
int i = selection.indexOf(p);
if (i >= 0){
selectionModel.addSelectionInterval(i, i);
}
}
}
@Override
protected void fireContentsChanged(Object source, int index0, int index1) {
Collection<OsmPrimitive> sel = getSelected();
super.fireContentsChanged(source, index0, index1);
setSelected(sel);
}
/**
* Sets the collection of currently selected OSM objects
*
* @param selection the collection of currently selected OSM objects
*/
public void setJOSMSelection(Collection<? extends OsmPrimitive> selection) {
this.selection.clear();
if (selection == null) {
fireContentsChanged(this, 0, getSize());
return;
}
this.selection.addAll(selection);
sort();
fireContentsChanged(this, 0, getSize());
remember(selection);
}
/**
* Triggers a refresh of the view for all primitives in {@code toUpdate}
* which are currently displayed in the view
*
* @param toUpdate the collection of primitives to update
*/
public void update(Collection<? extends OsmPrimitive> toUpdate) {
if (toUpdate == null) return;
if (toUpdate.isEmpty()) return;
Collection<OsmPrimitive> sel = getSelected();
for (OsmPrimitive p: toUpdate){
int i = selection.indexOf(p);
if (i >= 0) {
super.fireContentsChanged(this, i,i);
}
}
setSelected(sel);
}
/**
* Replies the list of selected relations with incomplete members
*
* @return the list of selected relations with incomplete members
*/
public List<Relation> getSelectedRelationsWithIncompleteMembers() {
List<Relation> ret = new LinkedList<Relation>();
for(int i=0; i<getSize(); i++) {
if (!selectionModel.isSelectedIndex(i)) {
continue;
}
OsmPrimitive p = selection.get(i);
if (! (p instanceof Relation)) {
continue;
}
if (p.isNew()) {
continue;
}
Relation r = (Relation)p;
if (r.hasIncompleteMembers()) {
ret.add(r);
}
}
return ret;
}
/**
* Sorts the current elements in the selection
*/
public void sort() {
Collections.sort(this.selection, new OsmPrimitiveComparator());
}
/* ------------------------------------------------------------------------ */
/* interface EditLayerChangeListener */
/* ------------------------------------------------------------------------ */
public void editLayerChanged(OsmDataLayer oldLayer, OsmDataLayer newLayer) {
if (newLayer == null) {
setJOSMSelection(null);
} else {
setJOSMSelection(newLayer.data.getSelected());
}
}
/* ------------------------------------------------------------------------ */
/* interface SelectionChangeListener */
/* ------------------------------------------------------------------------ */
public void selectionChanged(Collection<? extends OsmPrimitive> newSelection) {
setJOSMSelection(newSelection);
}
/* ------------------------------------------------------------------------ */
/* interface DataSetListener */
/* ------------------------------------------------------------------------ */
public void dataChanged(DataChangedEvent event) {
// refresh the whole list
fireContentsChanged(this, 0, getSize());
}
public void nodeMoved(NodeMovedEvent event) {
// may influence the display name of primitives, update the data
update(event.getPrimitives());
}
public void otherDatasetChange(AbstractDatasetChangedEvent event) {
// may influence the display name of primitives, update the data
update(event.getPrimitives());
}
public void relationMembersChanged(RelationMembersChangedEvent event) {
// may influence the display name of primitives, update the data
update(event.getPrimitives());
}
public void tagsChanged(TagsChangedEvent event) {
// may influence the display name of primitives, update the data
update(event.getPrimitives());
}
public void wayNodesChanged(WayNodesChangedEvent event) {
// may influence the display name of primitives, update the data
update(event.getPrimitives());
}
public void primtivesAdded(PrimitivesAddedEvent event) {/* ignored - handled by SelectionChangeListener */}
public void primtivesRemoved(PrimitivesRemovedEvent event) {/* ignored - handled by SelectionChangeListener*/}
}
/**
* A specialized {@link JMenuItem} for presenting one entry of the search history
*
* @author Jan Peter Stotz
*/
protected static class SearchMenuItem extends JMenuItem implements ActionListener {
final protected SearchSetting s;
public SearchMenuItem(SearchSetting s) {
super(s.toString());
this.s = s;
addActionListener(this);
}
public void actionPerformed(ActionEvent e) {
org.openstreetmap.josm.actions.search.SearchAction.searchWithoutHistory(s);
}
}
/**
* The popup menu for the search history entries
*
*/
protected static class SearchPopupMenu extends JPopupMenu {
static public void launch(Component parent) {
if (org.openstreetmap.josm.actions.search.SearchAction.getSearchHistory().isEmpty())
return;
JPopupMenu menu = new SearchPopupMenu();
Rectangle r = parent.getBounds();
menu.show(parent, r.x, r.y + r.height);
}
public SearchPopupMenu() {
for (SearchSetting ss: org.openstreetmap.josm.actions.search.SearchAction.getSearchHistory()) {
add(new SearchMenuItem(ss));
}
}
}
/**
* A specialized {@link JMenuItem} for presenting one entry of the selection history
*
* @author Jan Peter Stotz
*/
protected static class SelectionMenuItem extends JMenuItem implements ActionListener {
protected Collection<? extends OsmPrimitive> sel;
public SelectionMenuItem(Collection<? extends OsmPrimitive> sel) {
super();
this.sel = sel;
int ways = 0;
int nodes = 0;
int relations = 0;
for (OsmPrimitive o : sel) {
if (o instanceof Way) {
ways++;
} else if (o instanceof Node) {
nodes++;
} else if (o instanceof Relation) {
relations++;
}
}
StringBuffer text = new StringBuffer();
if(ways != 0) {
text.append(text.length() > 0 ? ", " : "")
.append(trn("{0} way", "{0} ways", ways, ways));
}
if(nodes != 0) {
text.append(text.length() > 0 ? ", " : "")
.append(trn("{0} node", "{0} nodes", nodes, nodes));
}
if(relations != 0) {
text.append(text.length() > 0 ? ", " : "")
.append(trn("{0} relation", "{0} relations", relations, relations));
}
setText(tr("Selection: {0}", text));
addActionListener(this);
}
public void actionPerformed(ActionEvent e) {
Main.main.getCurrentDataSet().setSelected(sel);
}
}
/**
* The popup menue for the JOSM selection history entries
*
*/
protected static class SelectionHistoryPopup extends JPopupMenu {
static public void launch(Component parent, Collection<Collection<? extends OsmPrimitive>> history) {
if (history == null || history.isEmpty()) return;
JPopupMenu menu = new SelectionHistoryPopup(history);
Rectangle r = parent.getBounds();
menu.show(parent, r.x, r.y + r.height);
}
public SelectionHistoryPopup(Collection<Collection<? extends OsmPrimitive>> history) {
for (Collection<? extends OsmPrimitive> sel : history) {
add(new SelectionMenuItem(sel));
}
}
}
/**
* Action for downloading incomplete members of selected relations
*
*/
class DownloadSelectedIncompleteMembersAction extends AbstractAction implements ListSelectionListener{
public DownloadSelectedIncompleteMembersAction() {
putValue(SHORT_DESCRIPTION, tr("Download incomplete members of selected relations"));
putValue(SMALL_ICON, ImageProvider.get("dialogs/relation", "downloadincompleteselected"));
putValue(NAME, tr("Download incomplete members"));
updateEnabledState();
}
public Set<OsmPrimitive> buildSetOfIncompleteMembers(List<Relation> rels) {
Set<OsmPrimitive> ret = new HashSet<OsmPrimitive>();
for(Relation r: rels) {
ret.addAll(r.getIncompleteMembers());
}
return ret;
}
public void actionPerformed(ActionEvent e) {
if (!isEnabled())
return;
List<Relation> rels = model.getSelectedRelationsWithIncompleteMembers();
if (rels.isEmpty()) return;
Main.worker.submit(new DownloadRelationMemberTask(
rels,
buildSetOfIncompleteMembers(rels),
Main.map.mapView.getEditLayer()
));
}
protected void updateEnabledState() {
setEnabled(!model.getSelectedRelationsWithIncompleteMembers().isEmpty());
}
public void valueChanged(ListSelectionEvent e) {
updateEnabledState();
}
}
static private class OsmPrimitiveComparator implements Comparator<OsmPrimitive> {
final private HashMap<OsmPrimitive, String> cache= new HashMap<OsmPrimitive, String>();
final private DefaultNameFormatter df = DefaultNameFormatter.getInstance();
private String cachedName(OsmPrimitive p) {
String name = cache.get(p);
if (name == null) {
name = p.getDisplayName(df);
cache.put(p, name);
}
return name;
}
private int compareName(OsmPrimitive a, OsmPrimitive b) {
String an = cachedName(a);
String bn = cachedName(b);
// make sure display names starting with digits are the end of the
// list
if (Character.isDigit(an.charAt(0)) && Character.isDigit(bn.charAt(0)))
return an.compareTo(bn);
else if (Character.isDigit(an.charAt(0)) && !Character.isDigit(bn.charAt(0)))
return 1;
else if (!Character.isDigit(an.charAt(0)) && Character.isDigit(bn.charAt(0)))
return -1;
return an.compareTo(bn);
}
private int compareType(OsmPrimitive a, OsmPrimitive b) {
// show ways before relations, then nodes
//
if (a.getType().equals(b.getType())) return 0;
if (a.getType().equals(OsmPrimitiveType.WAY)) return -1;
if (a.getType().equals(OsmPrimitiveType.NODE)) return 1;
// a is a relation
if (b.getType().equals(OsmPrimitiveType.WAY)) return 1;
// b is a node
return -1;
}
public int compare(OsmPrimitive a, OsmPrimitive b) {
if (a.getType().equals(b.getType()))
return compareName(a, b);
return compareType(a, b);
}
}
}