// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.gui.layer;
import static org.openstreetmap.josm.tools.I18n.tr;
import static org.openstreetmap.josm.tools.I18n.trn;
import java.awt.Dimension;
import java.awt.Graphics2D;
import java.awt.Point;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.io.File;
import java.text.DateFormat;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import javax.swing.Action;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JToolTip;
import javax.swing.SwingUtilities;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.actions.SaveActionBase;
import org.openstreetmap.josm.data.Bounds;
import org.openstreetmap.josm.data.notes.Note;
import org.openstreetmap.josm.data.notes.Note.State;
import org.openstreetmap.josm.data.notes.NoteComment;
import org.openstreetmap.josm.data.osm.NoteData;
import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor;
import org.openstreetmap.josm.gui.MapView;
import org.openstreetmap.josm.gui.datatransfer.ClipboardUtils;
import org.openstreetmap.josm.gui.dialogs.LayerListDialog;
import org.openstreetmap.josm.gui.dialogs.LayerListPopup;
import org.openstreetmap.josm.gui.io.AbstractIOTask;
import org.openstreetmap.josm.gui.io.UploadNoteLayerTask;
import org.openstreetmap.josm.gui.progress.ProgressMonitor;
import org.openstreetmap.josm.io.NoteExporter;
import org.openstreetmap.josm.io.OsmApi;
import org.openstreetmap.josm.io.XmlWriter;
import org.openstreetmap.josm.tools.ColorHelper;
import org.openstreetmap.josm.tools.ImageProvider;
import org.openstreetmap.josm.tools.date.DateUtils;
/**
* A layer to hold Note objects.
* @since 7522
*/
public class NoteLayer extends AbstractModifiableLayer implements MouseListener {
private final NoteData noteData;
/**
* Create a new note layer with a set of notes
* @param notes A list of notes to show in this layer
* @param name The name of the layer. Typically "Notes"
*/
public NoteLayer(Collection<Note> notes, String name) {
super(name);
noteData = new NoteData(notes);
}
/** Convenience constructor that creates a layer with an empty note list */
public NoteLayer() {
this(Collections.<Note>emptySet(), tr("Notes"));
}
@Override
public void hookUpMapView() {
Main.map.mapView.addMouseListener(this);
}
/**
* Returns the note data store being used by this layer
* @return noteData containing layer notes
*/
public NoteData getNoteData() {
return noteData;
}
@Override
public boolean isModified() {
return noteData.isModified();
}
@Override
public boolean isUploadable() {
return true;
}
@Override
public boolean requiresUploadToServer() {
return isModified();
}
@Override
public boolean isSavable() {
return true;
}
@Override
public boolean requiresSaveToFile() {
return getAssociatedFile() != null && isModified();
}
@Override
public void paint(Graphics2D g, MapView mv, Bounds box) {
final int iconHeight = ImageProvider.ImageSizes.SMALLICON.getAdjustedHeight();
final int iconWidth = ImageProvider.ImageSizes.SMALLICON.getAdjustedWidth();
for (Note note : noteData.getNotes()) {
Point p = mv.getPoint(note.getLatLon());
ImageIcon icon;
if (note.getId() < 0) {
icon = ImageProvider.get("dialogs/notes", "note_new", ImageProvider.ImageSizes.SMALLICON);
} else if (note.getState() == State.CLOSED) {
icon = ImageProvider.get("dialogs/notes", "note_closed", ImageProvider.ImageSizes.SMALLICON);
} else {
icon = ImageProvider.get("dialogs/notes", "note_open", ImageProvider.ImageSizes.SMALLICON);
}
int width = icon.getIconWidth();
int height = icon.getIconHeight();
g.drawImage(icon.getImage(), p.x - (width / 2), p.y - height, Main.map.mapView);
}
if (noteData.getSelectedNote() != null) {
StringBuilder sb = new StringBuilder("<html>");
sb.append(tr("Note"))
.append(' ').append(noteData.getSelectedNote().getId());
for (NoteComment comment : noteData.getSelectedNote().getComments()) {
String commentText = comment.getText();
//closing a note creates an empty comment that we don't want to show
if (commentText != null && !commentText.trim().isEmpty()) {
sb.append("<hr/>");
String userName = XmlWriter.encode(comment.getUser().getName());
if (userName == null || userName.trim().isEmpty()) {
userName = "<Anonymous>";
}
sb.append(userName);
sb.append(" on ");
sb.append(DateUtils.getDateFormat(DateFormat.MEDIUM).format(comment.getCommentTimestamp()));
sb.append(":<br/>");
String htmlText = XmlWriter.encode(comment.getText(), true);
htmlText = htmlText.replace("
", "<br/>"); //encode method leaves us with entity instead of \n
htmlText = htmlText.replace("/", "/\u200b"); //zero width space to wrap long URLs (see #10864)
sb.append(htmlText);
}
}
sb.append("</html>");
JToolTip toolTip = new JToolTip();
toolTip.setTipText(sb.toString());
Point p = mv.getPoint(noteData.getSelectedNote().getLatLon());
g.setColor(ColorHelper.html2color(Main.pref.get("color.selected")));
g.drawRect(p.x - (iconWidth / 2), p.y - iconHeight,
iconWidth - 1, iconHeight - 1);
int tx = p.x + (iconWidth / 2) + 5;
int ty = p.y - iconHeight - 1;
g.translate(tx, ty);
//Carried over from the OSB plugin. Not entirely sure why it is needed
//but without it, the tooltip doesn't get sized correctly
for (int x = 0; x < 2; x++) {
Dimension d = toolTip.getUI().getPreferredSize(toolTip);
d.width = Math.min(d.width, mv.getWidth() / 2);
if (d.width > 0 && d.height > 0) {
toolTip.setSize(d);
try {
toolTip.paint(g);
} catch (IllegalArgumentException e) {
// See #11123 - https://bugs.openjdk.java.net/browse/JDK-6719550
// Ignore the exception, as Netbeans does: http://hg.netbeans.org/main-silver/rev/c96f4d5fbd20
Main.error(e, false);
}
}
}
g.translate(-tx, -ty);
}
}
@Override
public Icon getIcon() {
return ImageProvider.get("dialogs/notes", "note_open", ImageProvider.ImageSizes.SMALLICON);
}
@Override
public String getToolTipText() {
return trn("{0} note", "{0} notes", noteData.getNotes().size(), noteData.getNotes().size());
}
@Override
public void mergeFrom(Layer from) {
throw new UnsupportedOperationException("Notes layer does not support merging yet");
}
@Override
public boolean isMergable(Layer other) {
return false;
}
@Override
public void visitBoundingBox(BoundingXYVisitor v) {
for (Note note : noteData.getNotes()) {
v.visit(note.getLatLon());
}
}
@Override
public Object getInfoComponent() {
StringBuilder sb = new StringBuilder();
sb.append(tr("Notes layer"))
.append('\n')
.append(tr("Total notes:"))
.append(' ')
.append(noteData.getNotes().size())
.append('\n')
.append(tr("Changes need uploading?"))
.append(' ')
.append(isModified());
return sb.toString();
}
@Override
public Action[] getMenuEntries() {
List<Action> actions = new ArrayList<>();
actions.add(LayerListDialog.getInstance().createShowHideLayerAction());
actions.add(LayerListDialog.getInstance().createDeleteLayerAction());
actions.add(new LayerListPopup.InfoAction(this));
actions.add(new LayerSaveAction(this));
actions.add(new LayerSaveAsAction(this));
return actions.toArray(new Action[actions.size()]);
}
@Override
public void mouseClicked(MouseEvent e) {
if (SwingUtilities.isRightMouseButton(e) && noteData.getSelectedNote() != null) {
final String url = OsmApi.getOsmApi().getBaseUrl() + "notes/" + noteData.getSelectedNote().getId();
ClipboardUtils.copyString(url);
return;
} else if (!SwingUtilities.isLeftMouseButton(e)) {
return;
}
Point clickPoint = e.getPoint();
double snapDistance = 10;
double minDistance = Double.MAX_VALUE;
final int iconHeight = ImageProvider.ImageSizes.SMALLICON.getAdjustedHeight();
Note closestNote = null;
for (Note note : noteData.getNotes()) {
Point notePoint = Main.map.mapView.getPoint(note.getLatLon());
//move the note point to the center of the icon where users are most likely to click when selecting
notePoint.setLocation(notePoint.getX(), notePoint.getY() - iconHeight / 2);
double dist = clickPoint.distanceSq(notePoint);
if (minDistance > dist && clickPoint.distance(notePoint) < snapDistance) {
minDistance = dist;
closestNote = note;
}
}
noteData.setSelectedNote(closestNote);
}
@Override
public File createAndOpenSaveFileChooser() {
return SaveActionBase.createAndOpenSaveFileChooser(tr("Save GPX file"), NoteExporter.FILE_FILTER);
}
@Override
public AbstractIOTask createUploadTask(ProgressMonitor monitor) {
return new UploadNoteLayerTask(this, monitor);
}
@Override
public void mousePressed(MouseEvent e) {
// Do nothing
}
@Override
public void mouseReleased(MouseEvent e) {
// Do nothing
}
@Override
public void mouseEntered(MouseEvent e) {
// Do nothing
}
@Override
public void mouseExited(MouseEvent e) {
// Do nothing
}
}