001// License: GPL. For details, see LICENSE file. 002package org.openstreetmap.josm.gui.preferences.advanced; 003 004import static org.openstreetmap.josm.tools.I18n.tr; 005 006import java.util.ArrayList; 007import java.util.Arrays; 008import java.util.Collections; 009import java.util.LinkedHashMap; 010import java.util.List; 011import java.util.Map; 012import java.util.Map.Entry; 013 014import javax.swing.JComponent; 015import javax.swing.JPanel; 016import javax.swing.table.AbstractTableModel; 017 018import org.openstreetmap.josm.spi.preferences.MapListSetting; 019 020/** 021 * Editor for List of Maps preference entries. 022 * @since 4634 023 */ 024public class MapListEditor extends AbstractTableListEditor<Map<String, String>> { 025 026 private final transient List<List<String>> dataKeys; 027 private final transient List<List<String>> dataValues; 028 private final transient List<String> dataLabels; 029 030 /** 031 * Constructs a new {@code MapListEditor}. 032 * @param gui The parent component 033 * @param entry preference entry 034 * @param setting list of maps setting 035 */ 036 public MapListEditor(JComponent gui, PrefEntry entry, MapListSetting setting) { 037 super(gui, tr("Change list of maps setting"), entry); 038 List<Map<String, String>> orig = setting.getValue(); 039 040 dataKeys = new ArrayList<>(); 041 dataValues = new ArrayList<>(); 042 dataLabels = new ArrayList<>(); 043 if (orig != null) { 044 int index = 0; 045 for (Map<String, String> m : orig) { 046 List<String> keys = new ArrayList<>(); 047 List<String> values = new ArrayList<>(); 048 for (Entry<String, String> e : m.entrySet()) { 049 keys.add(e.getKey()); 050 values.add(e.getValue()); 051 } 052 dataKeys.add(keys); 053 dataValues.add(values); 054 dataLabels.add(m.getOrDefault("name", tr("Entry {0}", index + 1))); 055 index++; 056 } 057 } 058 } 059 060 @Override 061 public List<Map<String, String>> getData() { 062 List<Map<String, String>> data = new ArrayList<>(); 063 for (int i = 0; i < dataKeys.size(); ++i) { 064 Map<String, String> m = new LinkedHashMap<>(); 065 for (int j = 0; j < dataKeys.get(i).size(); ++j) { 066 m.put(dataKeys.get(i).get(j), dataValues.get(i).get(j)); 067 } 068 data.add(m); 069 } 070 return data; 071 } 072 073 @Override 074 protected final JPanel build() { 075 table.getTableHeader().getColumnModel().getColumn(0).setHeaderValue(tr("Key")); 076 table.getTableHeader().getColumnModel().getColumn(1).setHeaderValue(tr("Value")); 077 return super.build(); 078 } 079 080 private class EntryListModel extends AbstractEntryListModel { 081 082 @Override 083 public String getElementAt(int index) { 084 return dataLabels.get(index); 085 } 086 087 @Override 088 public int getSize() { 089 return dataKeys.size(); 090 } 091 092 @Override 093 public void add() { 094 dataKeys.add(new ArrayList<String>()); 095 dataValues.add(new ArrayList<String>()); 096 dataLabels.add(""); 097 fireIntervalAdded(this, getSize() - 1, getSize() - 1); 098 } 099 100 @Override 101 public void remove(int idx) { 102 dataKeys.remove(idx); 103 dataValues.remove(idx); 104 dataLabels.remove(idx); 105 fireIntervalRemoved(this, idx, idx); 106 } 107 } 108 109 private class MapTableModel extends AbstractTableModel { 110 111 private List<List<String>> data() { 112 return entryIdx == null ? Collections.<List<String>>emptyList() : Arrays.asList(dataKeys.get(entryIdx), dataValues.get(entryIdx)); 113 } 114 115 private int size() { 116 return entryIdx == null ? 0 : dataKeys.get(entryIdx).size(); 117 } 118 119 @Override 120 public int getRowCount() { 121 return entryIdx == null ? 0 : size() + 1; 122 } 123 124 @Override 125 public int getColumnCount() { 126 return 2; 127 } 128 129 @Override 130 public String getColumnName(int column) { 131 return column == 0 ? tr("Key") : tr("Value"); 132 } 133 134 @Override 135 public Object getValueAt(int row, int column) { 136 return size() == row ? "" : data().get(column).get(row); 137 } 138 139 @Override 140 public void setValueAt(Object o, int row, int column) { 141 String s = (String) o; 142 if (row == size()) { 143 data().get(0).add(""); 144 data().get(1).add(""); 145 data().get(column).set(row, s); 146 fireTableRowsInserted(row+1, row+1); 147 } else { 148 data().get(column).set(row, s); 149 fireTableCellUpdated(row, column); 150 } 151 } 152 153 @Override 154 public boolean isCellEditable(int row, int column) { 155 return true; 156 } 157 } 158 159 @Override 160 protected final AbstractEntryListModel newEntryListModel() { 161 return new EntryListModel(); 162 } 163 164 @Override 165 protected final AbstractTableModel newTableModel() { 166 return new MapTableModel(); 167 } 168}