// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.gui.history;
import static org.openstreetmap.josm.tools.I18n.tr;
import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.text.SimpleDateFormat;
import java.util.Observable;
import java.util.Observer;
import javax.swing.JLabel;
import javax.swing.JPanel;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.actions.AbstractInfoAction;
import org.openstreetmap.josm.data.osm.history.HistoryOsmPrimitive;
import org.openstreetmap.josm.gui.JMultilineLabel;
import org.openstreetmap.josm.gui.layer.OsmDataLayer;
import org.openstreetmap.josm.io.auth.CredentialsManager;
import org.openstreetmap.josm.tools.CheckParameterUtil;
import org.openstreetmap.josm.tools.UrlLabel;
/**
* VersionInfoPanel is an UI component which displays the basic properties of a version
* of a {@see OsmPrimitive}.
*
*/
public class VersionInfoPanel extends JPanel implements Observer{
private PointInTimeType pointInTimeType;
private HistoryBrowserModel model;
private JMultilineLabel lblInfo;
private UrlLabel lblUser;
private UrlLabel lblChangeset;
private JPanel pnlUserAndChangeset;
protected void build() {
JPanel pnl1 = new JPanel();
pnl1.setLayout(new BorderLayout());
lblInfo = new JMultilineLabel("");
//lblInfo.setHorizontalAlignment(JLabel.LEFT);
pnl1.add(lblInfo, BorderLayout.CENTER);
pnlUserAndChangeset = new JPanel();
pnlUserAndChangeset.setLayout(new FlowLayout(FlowLayout.LEFT));
lblUser = new UrlLabel();
pnlUserAndChangeset.add(new JLabel(tr("User:")));
pnlUserAndChangeset.add(lblUser);
pnlUserAndChangeset.add(new JLabel(tr("Changeset:")));
lblChangeset = new UrlLabel();
pnlUserAndChangeset.add(lblChangeset);
setLayout(new GridBagLayout());
GridBagConstraints gc = new GridBagConstraints();
gc.anchor = GridBagConstraints.NORTHWEST;
gc.fill = GridBagConstraints.HORIZONTAL;
gc.weightx = 1.0;
gc.weighty = 1.0;
add(pnl1, gc);
gc.gridy = 1;
gc.weighty = 0.0;
add(pnlUserAndChangeset, gc);
}
protected HistoryOsmPrimitive getPrimitive() {
if (model == null || pointInTimeType == null)
return null;
return model.getPointInTime(pointInTimeType);
}
protected OsmDataLayer getEditLayer() {
try {
return Main.map.mapView.getEditLayer();
} catch(NullPointerException e) {
return null;
}
}
protected String getInfoText() {
HistoryOsmPrimitive primitive = getPrimitive();
if (primitive == null)
return "";
String text;
if (model.isLatest(primitive)) {
text = tr("Version {0} currently edited in layer ''{1}''",
Long.toString(primitive.getVersion()),
getEditLayer() == null ? tr("unknown") : getEditLayer().getName()
);
} else {
text = tr(
"Version {0} created on {1}",
Long.toString(primitive.getVersion()),
new SimpleDateFormat().format(primitive.getTimestamp())
);
}
return text;
}
public VersionInfoPanel() {
pointInTimeType = null;
model = null;
build();
}
/**
* constructor
*
* @param model the model (must not be null)
* @param pointInTimeType the point in time this panel visualizes (must not be null)
* @exception IllegalArgumentException thrown, if model is null
* @exception IllegalArgumentException thrown, if pointInTimeType is null
*
*/
public VersionInfoPanel(HistoryBrowserModel model, PointInTimeType pointInTimeType) throws IllegalArgumentException {
CheckParameterUtil.ensureParameterNotNull(pointInTimeType, "pointInTimeType");
CheckParameterUtil.ensureParameterNotNull(model, "model");
this.model = model;
this.pointInTimeType = pointInTimeType;
model.addObserver(this);
build();
}
public void update(Observable o, Object arg) {
lblInfo.setText(getInfoText());
if (!model.isLatest(getPrimitive())) {
String url = AbstractInfoAction.getBaseBrowseUrl() + "/changeset/" + getPrimitive().getChangesetId();
lblChangeset.setUrl(url);
lblChangeset.setDescription(Long.toString(getPrimitive().getChangesetId()));
try {
if (getPrimitive().getUid() != -1) {
url = AbstractInfoAction.getBaseUserUrl() + "/" + URLEncoder.encode(getPrimitive().getUser(), "UTF-8").replaceAll("\\+", "%20");
lblUser.setUrl(url);
} else {
lblUser.setUrl(null);
}
} catch(UnsupportedEncodingException e) {
e.printStackTrace();
lblUser.setUrl(null);
}
String username = getPrimitive().getUser();
lblUser.setDescription(username);
} else {
String user = CredentialsManager.getInstance().getUsername();
if (user == null) {
lblUser.setDescription(tr("anonymous"));
} else {
try {
String url = AbstractInfoAction.getBaseUserUrl() + "/" + URLEncoder.encode(user, "UTF-8").replaceAll("\\+", "%20");
lblUser.setUrl(url);
} catch(UnsupportedEncodingException e) {
e.printStackTrace();
lblUser.setUrl(null);
}
lblUser.setDescription(user);
}
lblChangeset.setDescription(tr("none"));
lblChangeset.setUrl(null);
}
}
}