// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.gui.preferences.advanced;
import static org.openstreetmap.josm.tools.I18n.tr;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import javax.swing.JComponent;
import javax.swing.JPanel;
import javax.swing.table.AbstractTableModel;
import org.openstreetmap.josm.data.preferences.MapListSetting;
/**
* Editor for List of Maps preference entries.
* @since 4634
*/
public class MapListEditor extends AbstractTableListEditor<Map<String, String>> {
private final transient List<List<String>> dataKeys;
private final transient List<List<String>> dataValues;
/**
* Constructs a new {@code MapListEditor}.
* @param gui The parent component
* @param entry preference entry
* @param setting list of maps setting
*/
public MapListEditor(JComponent gui, PrefEntry entry, MapListSetting setting) {
super(gui, tr("Change list of maps setting"), entry);
List<Map<String, String>> orig = setting.getValue();
dataKeys = new ArrayList<>();
dataValues = new ArrayList<>();
if (orig != null) {
for (Map<String, String> m : orig) {
List<String> keys = new ArrayList<>();
List<String> values = new ArrayList<>();
for (Entry<String, String> e : m.entrySet()) {
keys.add(e.getKey());
values.add(e.getValue());
}
dataKeys.add(keys);
dataValues.add(values);
}
}
}
@Override
public List<Map<String, String>> getData() {
List<Map<String, String>> data = new ArrayList<>();
for (int i = 0; i < dataKeys.size(); ++i) {
Map<String, String> m = new LinkedHashMap<>();
for (int j = 0; j < dataKeys.get(i).size(); ++j) {
m.put(dataKeys.get(i).get(j), dataValues.get(i).get(j));
}
data.add(m);
}
return data;
}
@Override
protected final JPanel build() {
table.getTableHeader().getColumnModel().getColumn(0).setHeaderValue(tr("Key"));
table.getTableHeader().getColumnModel().getColumn(1).setHeaderValue(tr("Value"));
return super.build();
}
private class EntryListModel extends AbstractEntryListModel {
@Override
public String getElementAt(int index) {
return tr("Entry {0}", index+1);
}
@Override
public int getSize() {
return dataKeys.size();
}
@Override
public void add() {
dataKeys.add(new ArrayList<String>());
dataValues.add(new ArrayList<String>());
fireIntervalAdded(this, getSize() - 1, getSize() - 1);
}
@Override
public void remove(int idx) {
dataKeys.remove(idx);
dataValues.remove(idx);
fireIntervalRemoved(this, idx, idx);
}
}
private class MapTableModel extends AbstractTableModel {
private List<List<String>> data() {
return entryIdx == null ? Collections.<List<String>>emptyList() : Arrays.asList(dataKeys.get(entryIdx), dataValues.get(entryIdx));
}
private int size() {
return entryIdx == null ? 0 : dataKeys.get(entryIdx).size();
}
@Override
public int getRowCount() {
return entryIdx == null ? 0 : size() + 1;
}
@Override
public int getColumnCount() {
return 2;
}
@Override
public String getColumnName(int column) {
return column == 0 ? tr("Key") : tr("Value");
}
@Override
public Object getValueAt(int row, int column) {
return size() == row ? "" : data().get(column).get(row);
}
@Override
public void setValueAt(Object o, int row, int column) {
String s = (String) o;
if (row == size()) {
data().get(0).add("");
data().get(1).add("");
data().get(column).set(row, s);
fireTableRowsInserted(row+1, row+1);
} else {
data().get(column).set(row, s);
fireTableCellUpdated(row, column);
}
}
@Override
public boolean isCellEditable(int row, int column) {
return true;
}
}
@Override
protected final AbstractEntryListModel newEntryListModel() {
return new EntryListModel();
}
@Override
protected final AbstractTableModel newTableModel() {
return new MapTableModel();
}
}