// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.gui.history;
import static org.openstreetmap.josm.tools.I18n.tr;
import java.text.DateFormat;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Observable;
import javax.swing.JTable;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.TableModel;
import org.openstreetmap.josm.Main;
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.RelationMember;
import org.openstreetmap.josm.data.osm.RelationMemberData;
import org.openstreetmap.josm.data.osm.User;
import org.openstreetmap.josm.data.osm.UserInfo;
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.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.TagsChangedEvent;
import org.openstreetmap.josm.data.osm.event.WayNodesChangedEvent;
import org.openstreetmap.josm.data.osm.history.History;
import org.openstreetmap.josm.data.osm.history.HistoryNode;
import org.openstreetmap.josm.data.osm.history.HistoryOsmPrimitive;
import org.openstreetmap.josm.data.osm.history.HistoryRelation;
import org.openstreetmap.josm.data.osm.history.HistoryWay;
import org.openstreetmap.josm.data.osm.visitor.AbstractVisitor;
import org.openstreetmap.josm.gui.JosmUserIdentityManager;
import org.openstreetmap.josm.gui.MapView;
import org.openstreetmap.josm.gui.MapView.LayerChangeListener;
import org.openstreetmap.josm.gui.layer.Layer;
import org.openstreetmap.josm.gui.layer.OsmDataLayer;
import org.openstreetmap.josm.tools.CheckParameterUtil;
import org.openstreetmap.josm.tools.date.DateUtils;
/**
* This is the model used by the history browser.
*
* The model state consists of the following elements:
* <ul>
* <li>the {@link History} of a specific {@link OsmPrimitive}</li>
* <li>a dedicated version in this {@link History} called the {@link PointInTimeType#REFERENCE_POINT_IN_TIME}</li>
* <li>another version in this {@link History} called the {@link PointInTimeType#CURRENT_POINT_IN_TIME}</li>
* </ul>
* {@link HistoryBrowser} always compares the {@link PointInTimeType#REFERENCE_POINT_IN_TIME} with the
* {@link PointInTimeType#CURRENT_POINT_IN_TIME}.
* This model provides various {@link TableModel}s for {@link JTable}s used in {@link HistoryBrowser}, for
* instance:
* <ul>
* <li>{@link #getTagTableModel(PointInTimeType)} replies a {@link TableModel} for the tags of either of
* the two selected versions</li>
* <li>{@link #getNodeListTableModel(PointInTimeType)} replies a {@link TableModel} for the list of nodes of
* the two selected versions (if the current history provides information about a {@link Way}</li>
* <li> {@link #getRelationMemberTableModel(PointInTimeType)} replies a {@link TableModel} for the list of relation
* members of the two selected versions (if the current history provides information about a {@link Relation}</li>
* </ul>
*
* @see HistoryBrowser
*/
public class HistoryBrowserModel extends Observable implements LayerChangeListener, DataSetListener {
/** the history of an OsmPrimitive */
private History history;
private HistoryOsmPrimitive reference;
private HistoryOsmPrimitive current;
/**
* latest isn't a reference of history. It's a clone of the currently edited
* {@link OsmPrimitive} in the current edit layer.
*/
private HistoryOsmPrimitive latest;
private VersionTableModel versionTableModel;
private TagTableModel currentTagTableModel;
private TagTableModel referenceTagTableModel;
private DiffTableModel currentRelationMemberTableModel;
private DiffTableModel referenceRelationMemberTableModel;
private DiffTableModel referenceNodeListTableModel;
private DiffTableModel currentNodeListTableModel;
/**
* constructor
*/
public HistoryBrowserModel() {
versionTableModel = new VersionTableModel();
currentTagTableModel = new TagTableModel(PointInTimeType.CURRENT_POINT_IN_TIME);
referenceTagTableModel = new TagTableModel(PointInTimeType.REFERENCE_POINT_IN_TIME);
referenceNodeListTableModel = new DiffTableModel();
currentNodeListTableModel = new DiffTableModel();
currentRelationMemberTableModel = new DiffTableModel();
referenceRelationMemberTableModel = new DiffTableModel();
OsmDataLayer editLayer = Main.main.getEditLayer();
if (editLayer != null) {
editLayer.data.addDataSetListener(this);
}
MapView.addLayerChangeListener(this);
}
/**
* Creates a new history browser model for a given history.
*
* @param history the history. Must not be null.
* @throws IllegalArgumentException thrown if history is null
*/
public HistoryBrowserModel(History history) {
this();
CheckParameterUtil.ensureParameterNotNull(history, "history");
setHistory(history);
}
/**
* replies the history managed by this model
* @return the history
*/
public History getHistory() {
return history;
}
protected boolean hasNewNodes(Way way) {
for (Node n: way.getNodes()) {
if (n.isNew()) return true;
}
return false;
}
protected boolean canShowAsLatest(OsmPrimitive primitive) {
if (primitive == null) return false;
if (primitive.isNew() || !primitive.isUsable()) return false;
//try creating a history primitive. if that fails, the primitive cannot be used.
try {
HistoryOsmPrimitive.forOsmPrimitive(primitive);
} catch (Exception ign) {
return false;
}
if (history == null) return false;
// only show latest of the same version if it is modified
if (history.getByVersion(primitive.getVersion()) != null)
return primitive.isModified();
// if latest version from history is higher than a non existing primitive version,
// that means this version has been redacted and the primitive cannot be used.
if (history.getLatest().getVersion() > primitive.getVersion())
return false;
// latest has a higher version than one of the primitives
// in the history (probably because the history got out of sync
// with uploaded data) -> show the primitive as latest
return true;
}
/**
* sets the history to be managed by this model
*
* @param history the history
*
*/
public void setHistory(History history) {
this.history = history;
if (history.getNumVersions() > 0) {
HistoryOsmPrimitive newLatest = null;
OsmDataLayer editLayer = Main.main.getEditLayer();
if (editLayer != null) {
OsmPrimitive p = editLayer.data.getPrimitiveById(history.getId(), history.getType());
if (canShowAsLatest(p)) {
newLatest = new HistoryPrimitiveBuilder().build(p);
}
}
if (newLatest == null) {
current = history.getLatest();
int prevIndex = history.getNumVersions() - 2;
reference = prevIndex < 0 ? history.getEarliest() : history.get(prevIndex);
} else {
reference = history.getLatest();
current = newLatest;
}
setLatest(newLatest);
}
initTagTableModels();
fireModelChange();
}
protected void fireModelChange() {
initNodeListTableModels();
initMemberListTableModels();
setChanged();
notifyObservers();
versionTableModel.fireTableDataChanged();
}
/**
* Replies the table model to be used in a {@link JTable} which
* shows the list of versions in this history.
*
* @return the table model
*/
public VersionTableModel getVersionTableModel() {
return versionTableModel;
}
protected void initTagTableModels() {
currentTagTableModel.initKeyList();
referenceTagTableModel.initKeyList();
}
/**
* Should be called everytime either reference of current changes to update the diff.
* TODO: Maybe rename to reflect this? eg. updateNodeListTableModels
*/
protected void initNodeListTableModels() {
if(current.getType() != OsmPrimitiveType.WAY || reference.getType() != OsmPrimitiveType.WAY)
return;
TwoColumnDiff diff = new TwoColumnDiff(
((HistoryWay)reference).getNodes().toArray(),
((HistoryWay)current).getNodes().toArray());
referenceNodeListTableModel.setRows(diff.referenceDiff);
currentNodeListTableModel.setRows(diff.currentDiff);
referenceNodeListTableModel.fireTableDataChanged();
currentNodeListTableModel.fireTableDataChanged();
}
protected void initMemberListTableModels() {
if(current.getType() != OsmPrimitiveType.RELATION || reference.getType() != OsmPrimitiveType.RELATION)
return;
TwoColumnDiff diff = new TwoColumnDiff(
((HistoryRelation)reference).getMembers().toArray(),
((HistoryRelation)current).getMembers().toArray());
referenceRelationMemberTableModel.setRows(diff.referenceDiff);
currentRelationMemberTableModel.setRows(diff.currentDiff);
currentRelationMemberTableModel.fireTableDataChanged();
referenceRelationMemberTableModel.fireTableDataChanged();
}
/**
* replies the tag table model for the respective point in time
*
* @param pointInTimeType the type of the point in time (must not be null)
* @return the tag table model
* @exception IllegalArgumentException thrown, if pointInTimeType is null
*/
public TagTableModel getTagTableModel(PointInTimeType pointInTimeType) throws IllegalArgumentException {
CheckParameterUtil.ensureParameterNotNull(pointInTimeType, "pointInTimeType");
if (pointInTimeType.equals(PointInTimeType.CURRENT_POINT_IN_TIME))
return currentTagTableModel;
else if (pointInTimeType.equals(PointInTimeType.REFERENCE_POINT_IN_TIME))
return referenceTagTableModel;
// should not happen
return null;
}
public DiffTableModel getNodeListTableModel(PointInTimeType pointInTimeType) throws IllegalArgumentException {
CheckParameterUtil.ensureParameterNotNull(pointInTimeType, "pointInTimeType");
if (pointInTimeType.equals(PointInTimeType.CURRENT_POINT_IN_TIME))
return currentNodeListTableModel;
else if (pointInTimeType.equals(PointInTimeType.REFERENCE_POINT_IN_TIME))
return referenceNodeListTableModel;
// should not happen
return null;
}
public DiffTableModel getRelationMemberTableModel(PointInTimeType pointInTimeType) throws IllegalArgumentException {
CheckParameterUtil.ensureParameterNotNull(pointInTimeType, "pointInTimeType");
if (pointInTimeType.equals(PointInTimeType.CURRENT_POINT_IN_TIME))
return currentRelationMemberTableModel;
else if (pointInTimeType.equals(PointInTimeType.REFERENCE_POINT_IN_TIME))
return referenceRelationMemberTableModel;
// should not happen
return null;
}
/**
* Sets the {@link HistoryOsmPrimitive} which plays the role of a reference point
* in time (see {@link PointInTimeType}).
*
* @param reference the reference history primitive. Must not be null.
* @throws IllegalArgumentException thrown if reference is null
* @throws IllegalStateException thrown if this model isn't a assigned a history yet
* @throws IllegalArgumentException if reference isn't an history primitive for the history managed by this mode
*
* @see #setHistory(History)
* @see PointInTimeType
*/
public void setReferencePointInTime(HistoryOsmPrimitive reference) throws IllegalArgumentException, IllegalStateException{
CheckParameterUtil.ensureParameterNotNull(reference, "reference");
if (history == null)
throw new IllegalStateException(tr("History not initialized yet. Failed to set reference primitive."));
if (reference.getId() != history.getId())
throw new IllegalArgumentException(tr("Failed to set reference. Reference ID {0} does not match history ID {1}.", reference.getId(), history.getId()));
HistoryOsmPrimitive primitive = history.getByVersion(reference.getVersion());
if (primitive == null)
throw new IllegalArgumentException(tr("Failed to set reference. Reference version {0} not available in history.", reference.getVersion()));
this.reference = reference;
initTagTableModels();
initNodeListTableModels();
initMemberListTableModels();
setChanged();
notifyObservers();
}
/**
* Sets the {@link HistoryOsmPrimitive} which plays the role of the current point
* in time (see {@link PointInTimeType}).
*
* @param current the reference history primitive. Must not be {@code null}.
* @throws IllegalArgumentException thrown if reference is {@code null}
* @throws IllegalStateException thrown if this model isn't a assigned a history yet
* @throws IllegalArgumentException if reference isn't an history primitive for the history managed by this mode
*
* @see #setHistory(History)
* @see PointInTimeType
*/
public void setCurrentPointInTime(HistoryOsmPrimitive current) throws IllegalArgumentException, IllegalStateException{
CheckParameterUtil.ensureParameterNotNull(current, "current");
if (history == null)
throw new IllegalStateException(tr("History not initialized yet. Failed to set current primitive."));
if (current.getId() != history.getId())
throw new IllegalArgumentException(tr("Failed to set reference. Reference ID {0} does not match history ID {1}.", current.getId(), history.getId()));
HistoryOsmPrimitive primitive = history.getByVersion(current.getVersion());
if (primitive == null)
throw new IllegalArgumentException(tr("Failed to set current primitive. Current version {0} not available in history.", current.getVersion()));
this.current = current;
initTagTableModels();
initNodeListTableModels();
initMemberListTableModels();
setChanged();
notifyObservers();
}
/**
* Replies the history OSM primitive for the {@link PointInTimeType#CURRENT_POINT_IN_TIME}
*
* @return the history OSM primitive for the {@link PointInTimeType#CURRENT_POINT_IN_TIME} (may be null)
*/
public HistoryOsmPrimitive getCurrentPointInTime() {
return getPointInTime(PointInTimeType.CURRENT_POINT_IN_TIME);
}
/**
* Replies the history OSM primitive for the {@link PointInTimeType#REFERENCE_POINT_IN_TIME}
*
* @return the history OSM primitive for the {@link PointInTimeType#REFERENCE_POINT_IN_TIME} (may be null)
*/
public HistoryOsmPrimitive getReferencePointInTime() {
return getPointInTime(PointInTimeType.REFERENCE_POINT_IN_TIME);
}
/**
* replies the history OSM primitive for a given point in time
*
* @param type the type of the point in time (must not be null)
* @return the respective primitive. Can be null.
* @exception IllegalArgumentException thrown, if type is null
*/
public HistoryOsmPrimitive getPointInTime(PointInTimeType type) throws IllegalArgumentException {
CheckParameterUtil.ensureParameterNotNull(type, "type");
if (type.equals(PointInTimeType.CURRENT_POINT_IN_TIME))
return current;
else if (type.equals(PointInTimeType.REFERENCE_POINT_IN_TIME))
return reference;
// should not happen
return null;
}
/**
* Returns true if <code>primitive</code> is the latest primitive
* representing the version currently edited in the current data
* layer.
*
* @param primitive the primitive to check
* @return true if <code>primitive</code> is the latest primitive
*/
public boolean isLatest(HistoryOsmPrimitive primitive) {
if (primitive == null) return false;
return primitive == latest;
}
/**
* The table model for the list of versions in the current history
*
*/
public final class VersionTableModel extends AbstractTableModel {
private VersionTableModel() {
}
@Override
public int getRowCount() {
if (history == null)
return 0;
int ret = history.getNumVersions();
if (latest != null) {
ret++;
}
return ret;
}
@Override
public Object getValueAt(int row, int column) {
switch (column) {
case 0:
return Long.toString(getPrimitive(row).getVersion());
case 1:
return isReferencePointInTime(row);
case 2:
return isCurrentPointInTime(row);
case 3:
HistoryOsmPrimitive p3 = getPrimitive(row);
if (p3 != null && p3.getTimestamp() != null)
return DateUtils.formatDateTime(p3.getTimestamp(), DateFormat.SHORT, DateFormat.SHORT);
return null;
case 4:
HistoryOsmPrimitive p4 = getPrimitive(row);
if (p4 != null) {
User user = p4.getUser();
if (user != null)
return user.getName();
}
return null;
}
return null;
}
@Override
public void setValueAt(Object aValue, int row, int column) {
if (!((Boolean) aValue)) return;
switch (column) {
case 1:
setReferencePointInTime(row);
break;
case 2:
setCurrentPointInTime(row);
break;
default:
return;
}
fireTableDataChanged();
}
@Override
public boolean isCellEditable(int row, int column) {
return column >= 1 && column <= 2;
}
public void setReferencePointInTime(int row) {
if (history == null) return;
if (row == history.getNumVersions()) {
if (latest != null) {
HistoryBrowserModel.this.setReferencePointInTime(latest);
}
return;
}
if (row < 0 || row > history.getNumVersions()) return;
HistoryOsmPrimitive reference = history.get(row);
HistoryBrowserModel.this.setReferencePointInTime(reference);
}
public void setCurrentPointInTime(int row) {
if (history == null) return;
if (row == history.getNumVersions()) {
if (latest != null) {
HistoryBrowserModel.this.setCurrentPointInTime(latest);
}
return;
}
if (row < 0 || row > history.getNumVersions()) return;
HistoryOsmPrimitive current = history.get(row);
HistoryBrowserModel.this.setCurrentPointInTime(current);
}
public boolean isReferencePointInTime(int row) {
if (history == null) return false;
if (row == history.getNumVersions())
return latest == reference;
if (row < 0 || row > history.getNumVersions()) return false;
HistoryOsmPrimitive p = history.get(row);
return p == reference;
}
public boolean isCurrentPointInTime(int row) {
if (history == null) return false;
if (row == history.getNumVersions())
return latest == current;
if (row < 0 || row > history.getNumVersions()) return false;
HistoryOsmPrimitive p = history.get(row);
return p == current;
}
public HistoryOsmPrimitive getPrimitive(int row) {
if (history == null)
return null;
return isLatest(row) ? latest : history.get(row);
}
public boolean isLatest(int row) {
return row >= history.getNumVersions();
}
public OsmPrimitive getLatest() {
if (latest == null) return null;
OsmDataLayer editLayer = Main.main.getEditLayer();
if (editLayer == null) return null;
return editLayer.data.getPrimitiveById(latest.getId(), latest.getType());
}
@Override
public int getColumnCount() {
return 6;
}
}
/**
* The table model for the tags of the version at {@link PointInTimeType#REFERENCE_POINT_IN_TIME}
* or {@link PointInTimeType#CURRENT_POINT_IN_TIME}
*
*/
public class TagTableModel extends AbstractTableModel {
private List<String> keys;
private PointInTimeType pointInTimeType;
protected void initKeyList() {
HashSet<String> keySet = new HashSet<>();
if (current != null) {
keySet.addAll(current.getTags().keySet());
}
if (reference != null) {
keySet.addAll(reference.getTags().keySet());
}
keys = new ArrayList<>(keySet);
Collections.sort(keys);
fireTableDataChanged();
}
protected TagTableModel(PointInTimeType type) {
pointInTimeType = type;
initKeyList();
}
@Override
public int getRowCount() {
if (keys == null) return 0;
return keys.size();
}
@Override
public Object getValueAt(int row, int column) {
return keys.get(row);
}
@Override
public boolean isCellEditable(int row, int column) {
return false;
}
public boolean hasTag(String key) {
HistoryOsmPrimitive primitive = getPointInTime(pointInTimeType);
if (primitive == null)
return false;
return primitive.hasTag(key);
}
public String getValue(String key) {
HistoryOsmPrimitive primitive = getPointInTime(pointInTimeType);
if (primitive == null)
return null;
return primitive.get(key);
}
public boolean oppositeHasTag(String key) {
PointInTimeType opposite = pointInTimeType.opposite();
HistoryOsmPrimitive primitive = getPointInTime(opposite);
if (primitive == null)
return false;
return primitive.hasTag(key);
}
public String getOppositeValue(String key) {
PointInTimeType opposite = pointInTimeType.opposite();
HistoryOsmPrimitive primitive = getPointInTime(opposite);
if (primitive == null)
return null;
return primitive.get(key);
}
public boolean hasSameValueAsOpposite(String key) {
String value = getValue(key);
String oppositeValue = getOppositeValue(key);
if (value == null || oppositeValue == null)
return false;
return value.equals(oppositeValue);
}
public PointInTimeType getPointInTimeType() {
return pointInTimeType;
}
public boolean isCurrentPointInTime() {
return pointInTimeType.equals(PointInTimeType.CURRENT_POINT_IN_TIME);
}
public boolean isReferencePointInTime() {
return pointInTimeType.equals(PointInTimeType.REFERENCE_POINT_IN_TIME);
}
@Override
public int getColumnCount() {
return 1;
}
}
protected void setLatest(HistoryOsmPrimitive latest) {
if (latest == null) {
if (this.current == this.latest) {
this.current = history.getLatest();
}
if (this.reference == this.latest) {
this.current = history.getLatest();
}
this.latest = null;
} else {
if (this.current == this.latest) {
this.current = latest;
}
if (this.reference == this.latest) {
this.reference = latest;
}
this.latest = latest;
}
fireModelChange();
}
/**
* Removes this model as listener for data change and layer change
* events.
*
*/
public void unlinkAsListener() {
OsmDataLayer editLayer = Main.main.getEditLayer();
if (editLayer != null) {
editLayer.data.removeDataSetListener(this);
}
MapView.removeLayerChangeListener(this);
}
/* ---------------------------------------------------------------------- */
/* DataSetListener */
/* ---------------------------------------------------------------------- */
@Override
public void nodeMoved(NodeMovedEvent event) {
Node node = event.getNode();
if (!node.isNew() && node.getId() == history.getId()) {
setLatest(new HistoryPrimitiveBuilder().build(node));
}
}
@Override
public void primitivesAdded(PrimitivesAddedEvent event) {
for (OsmPrimitive p: event.getPrimitives()) {
if (canShowAsLatest(p)) {
setLatest(new HistoryPrimitiveBuilder().build(p));
}
}
}
@Override
public void primitivesRemoved(PrimitivesRemovedEvent event) {
for (OsmPrimitive p: event.getPrimitives()) {
if (!p.isNew() && p.getId() == history.getId()) {
setLatest(null);
}
}
}
@Override
public void relationMembersChanged(RelationMembersChangedEvent event) {
Relation r = event.getRelation();
if (!r.isNew() && r.getId() == history.getId()) {
setLatest(new HistoryPrimitiveBuilder().build(r));
}
}
@Override
public void tagsChanged(TagsChangedEvent event) {
OsmPrimitive prim = event.getPrimitive();
if (!prim.isNew() && prim.getId() == history.getId()) {
setLatest(new HistoryPrimitiveBuilder().build(prim));
}
}
@Override
public void wayNodesChanged(WayNodesChangedEvent event) {
Way way = event.getChangedWay();
if (!way.isNew() && way.getId() == history.getId()) {
setLatest(new HistoryPrimitiveBuilder().build(way));
}
}
@Override
public void dataChanged(DataChangedEvent event) {
OsmPrimitive primitive = event.getDataset().getPrimitiveById(history.getId(), history.getType());
HistoryOsmPrimitive latest;
if (canShowAsLatest(primitive)) {
latest = new HistoryPrimitiveBuilder().build(primitive);
} else {
latest = null;
}
setLatest(latest);
fireModelChange();
}
@Override
public void otherDatasetChange(AbstractDatasetChangedEvent event) {
// Irrelevant
}
/* ---------------------------------------------------------------------- */
/* LayerChangeListener */
/* ---------------------------------------------------------------------- */
@Override
public void activeLayerChange(Layer oldLayer, Layer newLayer) {
if (oldLayer instanceof OsmDataLayer) {
OsmDataLayer l = (OsmDataLayer)oldLayer;
l.data.removeDataSetListener(this);
}
if (!(newLayer instanceof OsmDataLayer)) {
latest = null;
fireModelChange();
return;
}
OsmDataLayer l = (OsmDataLayer)newLayer;
l.data.addDataSetListener(this);
OsmPrimitive primitive = l.data.getPrimitiveById(history.getId(), history.getType());
HistoryOsmPrimitive latest;
if (canShowAsLatest(primitive)) {
latest = new HistoryPrimitiveBuilder().build(primitive);
} else {
latest = null;
}
setLatest(latest);
fireModelChange();
}
@Override
public void layerAdded(Layer newLayer) {}
@Override
public void layerRemoved(Layer oldLayer) {}
/**
* Creates a {@link HistoryOsmPrimitive} from a {@link OsmPrimitive}
*
*/
static class HistoryPrimitiveBuilder extends AbstractVisitor {
private HistoryOsmPrimitive clone;
@Override
public void visit(Node n) {
clone = new HistoryNode(n.getId(), n.getVersion(), n.isVisible(), getCurrentUser(), 0, null, n.getCoor(), false);
clone.setTags(n.getKeys());
}
@Override
public void visit(Relation r) {
clone = new HistoryRelation(r.getId(), r.getVersion(), r.isVisible(), getCurrentUser(), 0, null, false);
clone.setTags(r.getKeys());
HistoryRelation hr = (HistoryRelation)clone;
for (RelationMember rm : r.getMembers()) {
hr.addMember(new RelationMemberData(rm.getRole(), rm.getType(), rm.getUniqueId()));
}
}
@Override
public void visit(Way w) {
clone = new HistoryWay(w.getId(), w.getVersion(), w.isVisible(), getCurrentUser(), 0, null, false);
clone.setTags(w.getKeys());
for (Node n: w.getNodes()) {
((HistoryWay)clone).addNode(n.getUniqueId());
}
}
private User getCurrentUser() {
UserInfo info = JosmUserIdentityManager.getInstance().getUserInfo();
return info == null ? User.getAnonymous() : User.createOsmUser(info.getId(), info.getDisplayName());
}
public HistoryOsmPrimitive build(OsmPrimitive primitive) {
primitive.accept(this);
return clone;
}
}
}