// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.gui.dialogs.relation;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.EnumSet;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import java.util.TreeSet;
import java.util.concurrent.CopyOnWriteArrayList;
import javax.swing.DefaultListSelectionModel;
import javax.swing.ListSelectionModel;
import javax.swing.event.TableModelEvent;
import javax.swing.event.TableModelListener;
import javax.swing.table.AbstractTableModel;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.data.SelectionChangedListener;
import org.openstreetmap.josm.data.osm.DataSet;
import org.openstreetmap.josm.data.osm.OsmPrimitive;
import org.openstreetmap.josm.data.osm.Relation;
import org.openstreetmap.josm.data.osm.RelationMember;
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.gui.dialogs.relation.sort.RelationSorter;
import org.openstreetmap.josm.gui.dialogs.relation.sort.WayConnectionType;
import org.openstreetmap.josm.gui.dialogs.relation.sort.WayConnectionTypeCalculator;
import org.openstreetmap.josm.gui.layer.OsmDataLayer;
import org.openstreetmap.josm.gui.tagging.PresetHandler;
import org.openstreetmap.josm.gui.tagging.TaggingPreset;
import org.openstreetmap.josm.gui.tagging.TaggingPresetType;
import org.openstreetmap.josm.gui.widgets.OsmPrimitivesTableModel;
public class MemberTableModel extends AbstractTableModel implements TableModelListener, SelectionChangedListener, DataSetListener, OsmPrimitivesTableModel {
/**
* data of the table model: The list of members and the cached WayConnectionType of each member.
**/
private List<RelationMember> members;
private List<WayConnectionType> connectionType = null;
private DefaultListSelectionModel listSelectionModel;
private final CopyOnWriteArrayList<IMemberModelListener> listeners;
private final OsmDataLayer layer;
private final PresetHandler presetHandler;
private final WayConnectionTypeCalculator wayConnectionTypeCalculator = new WayConnectionTypeCalculator();
private final RelationSorter relationSorter = new RelationSorter();
/**
* constructor
*/
public MemberTableModel(OsmDataLayer layer, PresetHandler presetHandler) {
members = new ArrayList<>();
listeners = new CopyOnWriteArrayList<>();
this.layer = layer;
this.presetHandler = presetHandler;
addTableModelListener(this);
}
public OsmDataLayer getLayer() {
return layer;
}
public void register() {
DataSet.addSelectionListener(this);
getLayer().data.addDataSetListener(this);
}
public void unregister() {
DataSet.removeSelectionListener(this);
getLayer().data.removeDataSetListener(this);
}
/* --------------------------------------------------------------------------- */
/* Interface SelectionChangedListener */
/* --------------------------------------------------------------------------- */
@Override
public void selectionChanged(Collection<? extends OsmPrimitive> newSelection) {
if (Main.main.getEditLayer() != this.layer) return;
// just trigger a repaint
Collection<RelationMember> sel = getSelectedMembers();
fireTableDataChanged();
setSelectedMembers(sel);
}
/* --------------------------------------------------------------------------- */
/* Interface DataSetListener */
/* --------------------------------------------------------------------------- */
@Override
public void dataChanged(DataChangedEvent event) {
// just trigger a repaint - the display name of the relation members may
// have changed
Collection<RelationMember> sel = getSelectedMembers();
fireTableDataChanged();
setSelectedMembers(sel);
}
@Override
public void nodeMoved(NodeMovedEvent event) {/* ignore */}
@Override
public void primitivesAdded(PrimitivesAddedEvent event) {/* ignore */}
@Override
public void primitivesRemoved(PrimitivesRemovedEvent event) {
// ignore - the relation in the editor might become out of sync with the relation
// in the dataset. We will deal with it when the relation editor is closed or
// when the changes in the editor are applied.
}
@Override
public void relationMembersChanged(RelationMembersChangedEvent event) {
// ignore - the relation in the editor might become out of sync with the relation
// in the dataset. We will deal with it when the relation editor is closed or
// when the changes in the editor are applied.
}
@Override
public void tagsChanged(TagsChangedEvent event) {
// just refresh the respective table cells
//
Collection<RelationMember> sel = getSelectedMembers();
for (int i=0; i < members.size();i++) {
if (members.get(i).getMember() == event.getPrimitive()) {
fireTableCellUpdated(i, 1 /* the column with the primitive name */);
}
}
setSelectedMembers(sel);
}
@Override
public void wayNodesChanged(WayNodesChangedEvent event) {/* ignore */}
@Override
public void otherDatasetChange(AbstractDatasetChangedEvent event) {/* ignore */}
/* --------------------------------------------------------------------------- */
public void addMemberModelListener(IMemberModelListener listener) {
if (listener != null) {
listeners.addIfAbsent(listener);
}
}
public void removeMemberModelListener(IMemberModelListener listener) {
listeners.remove(listener);
}
protected void fireMakeMemberVisible(int index) {
for (IMemberModelListener listener : listeners) {
listener.makeMemberVisible(index);
}
}
public void populate(Relation relation) {
members.clear();
if (relation != null) {
// make sure we work with clones of the relation members
// in the model.
members.addAll(new Relation(relation).getMembers());
}
fireTableDataChanged();
}
@Override
public int getColumnCount() {
return 3;
}
@Override
public int getRowCount() {
return members.size();
}
@Override
public Object getValueAt(int rowIndex, int columnIndex) {
switch (columnIndex) {
case 0:
return members.get(rowIndex).getRole();
case 1:
return members.get(rowIndex).getMember();
case 2:
return getWayConnection(rowIndex);
}
// should not happen
return null;
}
@Override
public boolean isCellEditable(int rowIndex, int columnIndex) {
return columnIndex == 0;
}
@Override
public void setValueAt(Object value, int rowIndex, int columnIndex) {
RelationMember member = members.get(rowIndex);
RelationMember newMember = new RelationMember(value.toString(), member.getMember());
members.remove(rowIndex);
members.add(rowIndex, newMember);
}
@Override
public OsmPrimitive getReferredPrimitive(int idx) {
return members.get(idx).getMember();
}
public void moveUp(int[] selectedRows) {
if (!canMoveUp(selectedRows))
return;
for (int row : selectedRows) {
RelationMember member1 = members.get(row);
RelationMember member2 = members.get(row - 1);
members.set(row, member2);
members.set(row - 1, member1);
}
fireTableDataChanged();
getSelectionModel().setValueIsAdjusting(true);
getSelectionModel().clearSelection();
for (int row : selectedRows) {
row--;
getSelectionModel().addSelectionInterval(row, row);
}
getSelectionModel().setValueIsAdjusting(false);
fireMakeMemberVisible(selectedRows[0] - 1);
}
public void moveDown(int[] selectedRows) {
if (!canMoveDown(selectedRows))
return;
for (int i = selectedRows.length - 1; i >= 0; i--) {
int row = selectedRows[i];
RelationMember member1 = members.get(row);
RelationMember member2 = members.get(row + 1);
members.set(row, member2);
members.set(row + 1, member1);
}
fireTableDataChanged();
getSelectionModel();
getSelectionModel().setValueIsAdjusting(true);
getSelectionModel().clearSelection();
for (int row : selectedRows) {
row++;
getSelectionModel().addSelectionInterval(row, row);
}
getSelectionModel().setValueIsAdjusting(false);
fireMakeMemberVisible(selectedRows[0] + 1);
}
public void remove(int[] selectedRows) {
if (!canRemove(selectedRows))
return;
int offset = 0;
for (int row : selectedRows) {
row -= offset;
if (members.size() > row) {
members.remove(row);
offset++;
}
}
fireTableDataChanged();
}
public boolean canMoveUp(int[] rows) {
if (rows == null || rows.length == 0)
return false;
Arrays.sort(rows);
return rows[0] > 0 && members.size() > 0;
}
public boolean canMoveDown(int[] rows) {
if (rows == null || rows.length == 0)
return false;
Arrays.sort(rows);
return members.size() > 0 && rows[rows.length - 1] < members.size() - 1;
}
public boolean canRemove(int[] rows) {
if (rows == null || rows.length == 0)
return false;
return true;
}
public DefaultListSelectionModel getSelectionModel() {
if (listSelectionModel == null) {
listSelectionModel = new DefaultListSelectionModel();
listSelectionModel.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
}
return listSelectionModel;
}
public void removeMembersReferringTo(List<? extends OsmPrimitive> primitives) {
if (primitives == null)
return;
Iterator<RelationMember> it = members.iterator();
while (it.hasNext()) {
RelationMember member = it.next();
if (primitives.contains(member.getMember())) {
it.remove();
}
}
fireTableDataChanged();
}
public void applyToRelation(Relation relation) {
relation.setMembers(members);
}
public boolean hasSameMembersAs(Relation relation) {
if (relation == null)
return false;
if (relation.getMembersCount() != members.size())
return false;
for (int i = 0; i < relation.getMembersCount(); i++) {
if (!relation.getMember(i).equals(members.get(i)))
return false;
}
return true;
}
/**
* Replies the set of incomplete primitives
*
* @return the set of incomplete primitives
*/
public Set<OsmPrimitive> getIncompleteMemberPrimitives() {
Set<OsmPrimitive> ret = new HashSet<>();
for (RelationMember member : members) {
if (member.getMember().isIncomplete()) {
ret.add(member.getMember());
}
}
return ret;
}
/**
* Replies the set of selected incomplete primitives
*
* @return the set of selected incomplete primitives
*/
public Set<OsmPrimitive> getSelectedIncompleteMemberPrimitives() {
Set<OsmPrimitive> ret = new HashSet<>();
for (RelationMember member : getSelectedMembers()) {
if (member.getMember().isIncomplete()) {
ret.add(member.getMember());
}
}
return ret;
}
/**
* Replies true if at least one the relation members is incomplete
*
* @return true if at least one the relation members is incomplete
*/
public boolean hasIncompleteMembers() {
for (RelationMember member : members) {
if (member.getMember().isIncomplete())
return true;
}
return false;
}
/**
* Replies true if at least one of the selected members is incomplete
*
* @return true if at least one of the selected members is incomplete
*/
public boolean hasIncompleteSelectedMembers() {
for (RelationMember member : getSelectedMembers()) {
if (member.getMember().isIncomplete())
return true;
}
return false;
}
protected List<Integer> getSelectedIndices() {
List<Integer> selectedIndices = new ArrayList<>();
for (int i = 0; i < members.size(); i++) {
if (getSelectionModel().isSelectedIndex(i)) {
selectedIndices.add(i);
}
}
return selectedIndices;
}
private void addMembersAtIndex(List<? extends OsmPrimitive> primitives, int index) {
final Collection<TaggingPreset> presets = TaggingPreset.getMatchingPresets(EnumSet.of(TaggingPresetType.RELATION), presetHandler.getSelection().iterator().next().getKeys(), false);
if (primitives == null)
return;
int idx = index;
for (OsmPrimitive primitive : primitives) {
Set<String> potentialRoles = new TreeSet<>();
for (TaggingPreset tp : presets) {
String suggestedRole = tp.suggestRoleForOsmPrimitive(primitive);
if (suggestedRole != null) {
potentialRoles.add(suggestedRole);
}
}
// TODO: propose user to choose role among potential ones instead of picking first one
final String role = potentialRoles.isEmpty() ? null : potentialRoles.iterator().next();
RelationMember member = new RelationMember(role == null ? "" : role, primitive);
members.add(idx++, member);
}
fireTableDataChanged();
getSelectionModel().clearSelection();
getSelectionModel().addSelectionInterval(index, index + primitives.size() - 1);
fireMakeMemberVisible(index);
}
public void addMembersAtBeginning(List<? extends OsmPrimitive> primitives) {
addMembersAtIndex(primitives, 0);
}
public void addMembersAtEnd(List<? extends OsmPrimitive> primitives) {
addMembersAtIndex(primitives, members.size());
}
public void addMembersBeforeIdx(List<? extends OsmPrimitive> primitives, int idx) {
addMembersAtIndex(primitives, idx);
}
public void addMembersAfterIdx(List<? extends OsmPrimitive> primitives, int idx) {
addMembersAtIndex(primitives, idx + 1);
}
/**
* Replies the number of members which refer to a particular primitive
*
* @param primitive the primitive
* @return the number of members which refer to a particular primitive
*/
public int getNumMembersWithPrimitive(OsmPrimitive primitive) {
int count = 0;
for (RelationMember member : members) {
if (member.getMember().equals(primitive)) {
count++;
}
}
return count;
}
/**
* updates the role of the members given by the indices in <code>idx</code>
*
* @param idx the array of indices
* @param role the new role
*/
public void updateRole(int[] idx, String role) {
if (idx == null || idx.length == 0)
return;
for (int row : idx) {
RelationMember oldMember = members.get(row);
RelationMember newMember = new RelationMember(role, oldMember.getMember());
members.remove(row);
members.add(row, newMember);
}
fireTableDataChanged();
for (int row : idx) {
getSelectionModel().addSelectionInterval(row, row);
}
}
/**
* Get the currently selected relation members
*
* @return a collection with the currently selected relation members
*/
public Collection<RelationMember> getSelectedMembers() {
List<RelationMember> selectedMembers = new ArrayList<>();
for (int i : getSelectedIndices()) {
selectedMembers.add(members.get(i));
}
return selectedMembers;
}
/**
* Replies the set of selected referers. Never null, but may be empty.
*
* @return the set of selected referers
*/
public Collection<OsmPrimitive> getSelectedChildPrimitives() {
Collection<OsmPrimitive> ret = new ArrayList<>();
for (RelationMember m: getSelectedMembers()) {
ret.add(m.getMember());
}
return ret;
}
/**
* Replies the set of selected referers. Never null, but may be empty.
*
* @return the set of selected referers
*/
public Set<OsmPrimitive> getChildPrimitives(Collection<? extends OsmPrimitive> referenceSet) {
HashSet<OsmPrimitive> ret = new HashSet<>();
if (referenceSet == null) return null;
for (RelationMember m: members) {
if (referenceSet.contains(m.getMember())) {
ret.add(m.getMember());
}
}
return ret;
}
/**
* Selects the members in the collection selectedMembers
*
* @param selectedMembers the collection of selected members
*/
public void setSelectedMembers(Collection<RelationMember> selectedMembers) {
if (selectedMembers == null || selectedMembers.isEmpty()) {
getSelectionModel().clearSelection();
return;
}
// lookup the indices for the respective members
//
Set<Integer> selectedIndices = new HashSet<>();
for (RelationMember member : selectedMembers) {
for (int idx = 0; idx < members.size(); ++idx) {
if (member.equals(members.get(idx))) {
selectedIndices.add(idx);
}
}
}
setSelectedMembersIdx(selectedIndices);
}
/**
* Selects the members in the collection selectedIndices
*
* @param selectedIndices the collection of selected member indices
*/
public void setSelectedMembersIdx(Collection<Integer> selectedIndices) {
if (selectedIndices == null || selectedIndices.isEmpty()) {
getSelectionModel().clearSelection();
return;
}
// select the members
//
getSelectionModel().setValueIsAdjusting(true);
getSelectionModel().clearSelection();
for (int row : selectedIndices) {
getSelectionModel().addSelectionInterval(row, row);
}
getSelectionModel().setValueIsAdjusting(false);
// make the first selected member visible
//
if (!selectedIndices.isEmpty()) {
fireMakeMemberVisible(Collections.min(selectedIndices));
}
}
/**
* Replies true if the index-th relation members referrs
* to an editable relation, i.e. a relation which is not
* incomplete.
*
* @param index the index
* @return true, if the index-th relation members referrs
* to an editable relation, i.e. a relation which is not
* incomplete
*/
public boolean isEditableRelation(int index) {
if (index < 0 || index >= members.size())
return false;
RelationMember member = members.get(index);
if (!member.isRelation())
return false;
Relation r = member.getRelation();
return !r.isIncomplete();
}
/**
* Replies true if there is at least one relation member given as {@code members}
* which refers to at least on the primitives in {@code primitives}.
*
* @param members the members
* @param primitives the collection of primitives
* @return true if there is at least one relation member in this model
* which refers to at least on the primitives in <code>primitives</code>; false
* otherwise
*/
public static boolean hasMembersReferringTo(Collection<RelationMember> members, Collection<OsmPrimitive> primitives) {
if (primitives == null || primitives.isEmpty())
return false;
HashSet<OsmPrimitive> referrers = new HashSet<>();
for (RelationMember member : members) {
referrers.add(member.getMember());
}
for (OsmPrimitive referred : primitives) {
if (referrers.contains(referred))
return true;
}
return false;
}
/**
* Replies true if there is at least one relation member in this model
* which refers to at least on the primitives in <code>primitives</code>.
*
* @param primitives the collection of primitives
* @return true if there is at least one relation member in this model
* which refers to at least on the primitives in <code>primitives</code>; false
* otherwise
*/
public boolean hasMembersReferringTo(Collection<OsmPrimitive> primitives) {
return hasMembersReferringTo(members, primitives);
}
/**
* Selects all mebers which refer to {@link OsmPrimitive}s in the collections
* <code>primitmives</code>. Does nothing is primitives is null.
*
* @param primitives the collection of primitives
*/
public void selectMembersReferringTo(Collection<? extends OsmPrimitive> primitives) {
if (primitives == null) return;
getSelectionModel().setValueIsAdjusting(true);
getSelectionModel().clearSelection();
for (int i=0; i< members.size();i++) {
RelationMember m = members.get(i);
if (primitives.contains(m.getMember())) {
this.getSelectionModel().addSelectionInterval(i,i);
}
}
getSelectionModel().setValueIsAdjusting(false);
if (!getSelectedIndices().isEmpty()) {
fireMakeMemberVisible(getSelectedIndices().get(0));
}
}
/**
* Replies true if <code>primitive</code> is currently selected in the layer this
* model is attached to
*
* @param primitive the primitive
* @return true if <code>primitive</code> is currently selected in the layer this
* model is attached to, false otherwise
*/
public boolean isInJosmSelection(OsmPrimitive primitive) {
return layer.data.isSelected(primitive);
}
/**
* Replies true if the layer this model belongs to is equal to the active
* layer
*
* @return true if the layer this model belongs to is equal to the active
* layer
*/
protected boolean isActiveLayer() {
if (!Main.isDisplayingMapView()) return false;
return Main.map.mapView.getActiveLayer() == layer;
}
/**
* Sort the selected relation members by the way they are linked.
*/
void sort() {
List<RelationMember> selectedMembers = new ArrayList<>(getSelectedMembers());
List<RelationMember> sortedMembers = null;
List<RelationMember> newMembers;
if (selectedMembers.size() <= 1) {
newMembers = relationSorter.sortMembers(members);
sortedMembers = newMembers;
} else {
sortedMembers = relationSorter.sortMembers(selectedMembers);
List<Integer> selectedIndices = getSelectedIndices();
newMembers = new ArrayList<>();
boolean inserted = false;
for (int i=0; i < members.size(); i++) {
if (selectedIndices.contains(i)) {
if (!inserted) {
newMembers.addAll(sortedMembers);
inserted = true;
}
} else {
newMembers.add(members.get(i));
}
}
}
if (members.size() != newMembers.size()) throw new AssertionError();
members.clear();
members.addAll(newMembers);
fireTableDataChanged();
setSelectedMembers(sortedMembers);
}
WayConnectionType getWayConnection(int i) {
if (connectionType == null) {
connectionType = wayConnectionTypeCalculator.updateLinks(members);
}
return connectionType.get(i);
}
@Override
public void tableChanged(TableModelEvent e) {
connectionType = null;
}
/**
* Reverse the relation members.
*/
void reverse() {
List<Integer> selectedIndices = getSelectedIndices();
List<Integer> selectedIndicesReversed = getSelectedIndices();
if (selectedIndices.size() <= 1) {
Collections.reverse(members);
fireTableDataChanged();
setSelectedMembers(members);
} else {
Collections.reverse(selectedIndicesReversed);
List<RelationMember> newMembers = new ArrayList<>(members);
for (int i=0; i < selectedIndices.size(); i++) {
newMembers.set(selectedIndices.get(i), members.get(selectedIndicesReversed.get(i)));
}
if (members.size() != newMembers.size()) throw new AssertionError();
members.clear();
members.addAll(newMembers);
fireTableDataChanged();
setSelectedMembersIdx(selectedIndices);
}
}
}