1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui.tagging;
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3 |
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4 | import static org.openstreetmap.josm.tools.I18n.trn;
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5 |
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6 | import java.beans.PropertyChangeListener;
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7 | import java.beans.PropertyChangeSupport;
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8 | import java.util.ArrayList;
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9 | import java.util.Collection;
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10 | import java.util.Comparator;
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11 | import java.util.HashMap;
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12 | import java.util.Iterator;
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13 | import java.util.List;
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14 | import java.util.Map;
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15 | import java.util.Map.Entry;
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16 |
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17 | import javax.swing.DefaultListSelectionModel;
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18 | import javax.swing.table.AbstractTableModel;
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19 |
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20 | import org.openstreetmap.josm.command.ChangePropertyCommand;
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21 | import org.openstreetmap.josm.command.Command;
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22 | import org.openstreetmap.josm.command.SequenceCommand;
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23 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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24 | import org.openstreetmap.josm.data.osm.Tag;
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25 | import org.openstreetmap.josm.data.osm.TagCollection;
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26 | import org.openstreetmap.josm.data.osm.Tagged;
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27 | import org.openstreetmap.josm.tools.CheckParameterUtil;
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28 |
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29 | /**
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30 | * TagEditorModel is a table model.
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31 | *
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32 | */
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33 | public class TagEditorModel extends AbstractTableModel {
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34 | public static final String PROP_DIRTY = TagEditorModel.class.getName() + ".dirty";
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35 |
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36 | /** the list holding the tags */
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37 | protected final transient List<TagModel> tags = new ArrayList<>();
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38 |
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39 | /** indicates whether the model is dirty */
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40 | private boolean dirty;
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41 | private final PropertyChangeSupport propChangeSupport = new PropertyChangeSupport(this);
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42 |
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43 | private final DefaultListSelectionModel rowSelectionModel;
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44 | private final DefaultListSelectionModel colSelectionModel;
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45 |
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46 | /**
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47 | * Creates a new tag editor model. Internally allocates two selection models
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48 | * for row selection and column selection.
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49 | *
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50 | * To create a {@link javax.swing.JTable} with this model:
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51 | * <pre>
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52 | * TagEditorModel model = new TagEditorModel();
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53 | * TagTable tbl = new TagTabel(model);
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54 | * </pre>
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55 | *
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56 | * @see #getRowSelectionModel()
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57 | * @see #getColumnSelectionModel()
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58 | */
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59 | public TagEditorModel() {
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60 | this.rowSelectionModel = new DefaultListSelectionModel();
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61 | this.colSelectionModel = new DefaultListSelectionModel();
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62 | }
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63 |
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64 | /**
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65 | * Creates a new tag editor model.
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66 | *
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67 | * @param rowSelectionModel the row selection model. Must not be null.
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68 | * @param colSelectionModel the column selection model. Must not be null.
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69 | * @throws IllegalArgumentException if {@code rowSelectionModel} is null
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70 | * @throws IllegalArgumentException if {@code colSelectionModel} is null
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71 | */
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72 | public TagEditorModel(DefaultListSelectionModel rowSelectionModel, DefaultListSelectionModel colSelectionModel) {
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73 | CheckParameterUtil.ensureParameterNotNull(rowSelectionModel, "rowSelectionModel");
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74 | CheckParameterUtil.ensureParameterNotNull(colSelectionModel, "colSelectionModel");
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75 | this.rowSelectionModel = rowSelectionModel;
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76 | this.colSelectionModel = colSelectionModel;
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77 | }
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78 |
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79 | public void addPropertyChangeListener(PropertyChangeListener listener) {
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80 | propChangeSupport.addPropertyChangeListener(listener);
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81 | }
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82 |
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83 | /**
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84 | * Replies the row selection model used by this tag editor model
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85 | *
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86 | * @return the row selection model used by this tag editor model
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87 | */
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88 | public DefaultListSelectionModel getRowSelectionModel() {
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89 | return rowSelectionModel;
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90 | }
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91 |
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92 | /**
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93 | * Replies the column selection model used by this tag editor model
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94 | *
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95 | * @return the column selection model used by this tag editor model
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96 | */
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97 | public DefaultListSelectionModel getColumnSelectionModel() {
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98 | return colSelectionModel;
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99 | }
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100 |
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101 | public void removeProperyChangeListener(PropertyChangeListener listener) {
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102 | propChangeSupport.removePropertyChangeListener(listener);
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103 | }
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104 |
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105 | protected void fireDirtyStateChanged(final boolean oldValue, final boolean newValue) {
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106 | propChangeSupport.firePropertyChange(PROP_DIRTY, oldValue, newValue);
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107 | }
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108 |
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109 | protected void setDirty(boolean newValue) {
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110 | boolean oldValue = dirty;
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111 | dirty = newValue;
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112 | if (oldValue != newValue) {
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113 | fireDirtyStateChanged(oldValue, newValue);
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114 | }
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115 | }
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116 |
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117 | @Override
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118 | public int getColumnCount() {
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119 | return 2;
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120 | }
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121 |
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122 | @Override
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123 | public int getRowCount() {
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124 | return tags.size();
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125 | }
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126 |
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127 | @Override
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128 | public Object getValueAt(int rowIndex, int columnIndex) {
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129 | if (rowIndex >= getRowCount())
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130 | throw new IndexOutOfBoundsException("unexpected rowIndex: rowIndex=" + rowIndex);
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131 |
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132 | TagModel tag = tags.get(rowIndex);
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133 | switch(columnIndex) {
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134 | case 0:
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135 | case 1:
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136 | return tag;
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137 |
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138 | default:
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139 | throw new IndexOutOfBoundsException("unexpected columnIndex: columnIndex=" + columnIndex);
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140 | }
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141 | }
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142 |
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143 | @Override
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144 | public void setValueAt(Object value, int row, int col) {
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145 | TagModel tag = get(row);
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146 | if (tag == null) return;
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147 | switch(col) {
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148 | case 0:
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149 | updateTagName(tag, (String) value);
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150 | break;
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151 | case 1:
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152 | String v = (String) value;
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153 | if (tag.getValueCount() > 1 && !v.isEmpty()) {
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154 | updateTagValue(tag, v);
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155 | } else if (tag.getValueCount() <= 1) {
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156 | updateTagValue(tag, v);
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157 | }
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158 | }
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159 | }
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160 |
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161 | /**
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162 | * removes all tags in the model
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163 | */
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164 | public void clear() {
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165 | tags.clear();
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166 | setDirty(true);
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167 | fireTableDataChanged();
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168 | }
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169 |
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170 | /**
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171 | * adds a tag to the model
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172 | *
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173 | * @param tag the tag. Must not be null.
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174 | *
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175 | * @throws IllegalArgumentException if tag is null
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176 | */
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177 | public void add(TagModel tag) {
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178 | CheckParameterUtil.ensureParameterNotNull(tag, "tag");
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179 | tags.add(tag);
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180 | setDirty(true);
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181 | fireTableDataChanged();
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182 | }
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183 |
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184 | public void prepend(TagModel tag) {
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185 | CheckParameterUtil.ensureParameterNotNull(tag, "tag");
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186 | tags.add(0, tag);
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187 | setDirty(true);
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188 | fireTableDataChanged();
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189 | }
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190 |
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191 | /**
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192 | * adds a tag given by a name/value pair to the tag editor model.
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193 | *
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194 | * If there is no tag with name <code>name</code> yet, a new {@link TagModel} is created
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195 | * and append to this model.
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196 | *
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197 | * If there is a tag with name <code>name</code>, <code>value</code> is merged to the list
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198 | * of values for this tag.
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199 | *
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200 | * @param name the name; converted to "" if null
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201 | * @param value the value; converted to "" if null
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202 | */
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203 | public void add(String name, String value) {
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204 | name = (name == null) ? "" : name;
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205 | value = (value == null) ? "" : value;
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206 |
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207 | TagModel tag = get(name);
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208 | if (tag == null) {
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209 | tag = new TagModel(name, value);
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210 | int index = tags.size();
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211 | while (index >= 1 && tags.get(index - 1).getName().isEmpty() && tags.get(index - 1).getValue().isEmpty()) {
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212 | index--; // If last line(s) is empty, add new tag before it
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213 | }
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214 | tags.add(index, tag);
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215 | } else {
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216 | tag.addValue(value);
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217 | }
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218 | setDirty(true);
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219 | fireTableDataChanged();
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220 | }
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221 |
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222 | /**
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223 | * replies the tag with name <code>name</code>; null, if no such tag exists
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224 | * @param name the tag name
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225 | * @return the tag with name <code>name</code>; null, if no such tag exists
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226 | */
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227 | public TagModel get(String name) {
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228 | name = (name == null) ? "" : name;
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229 | for (TagModel tag : tags) {
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230 | if (tag.getName().equals(name))
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231 | return tag;
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232 | }
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233 | return null;
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234 | }
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235 |
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236 | public TagModel get(int idx) {
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237 | if (idx >= tags.size()) return null;
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238 | return tags.get(idx);
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239 | }
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240 |
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241 | @Override
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242 | public boolean isCellEditable(int row, int col) {
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243 | // all cells are editable
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244 | return true;
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245 | }
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246 |
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247 | /**
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248 | * deletes the names of the tags given by tagIndices
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249 | *
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250 | * @param tagIndices a list of tag indices
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251 | */
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252 | public void deleteTagNames(int[] tagIndices) {
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253 | if (tags == null)
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254 | return;
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255 | for (int tagIdx : tagIndices) {
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256 | TagModel tag = tags.get(tagIdx);
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257 | if (tag != null) {
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258 | tag.setName("");
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259 | }
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260 | }
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261 | fireTableDataChanged();
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262 | setDirty(true);
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263 | }
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264 |
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265 | /**
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266 | * deletes the values of the tags given by tagIndices
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267 | *
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268 | * @param tagIndices the lit of tag indices
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269 | */
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270 | public void deleteTagValues(int[] tagIndices) {
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271 | if (tags == null)
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272 | return;
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273 | for (int tagIdx : tagIndices) {
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274 | TagModel tag = tags.get(tagIdx);
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275 | if (tag != null) {
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276 | tag.setValue("");
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277 | }
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278 | }
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279 | fireTableDataChanged();
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280 | setDirty(true);
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281 | }
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282 |
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283 | /**
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284 | * Deletes all tags with name <code>name</code>
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285 | *
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286 | * @param name the name. Ignored if null.
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287 | */
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288 | public void delete(String name) {
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289 | if (name == null) return;
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290 | Iterator<TagModel> it = tags.iterator();
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291 | boolean changed = false;
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292 | while (it.hasNext()) {
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293 | TagModel tm = it.next();
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294 | if (tm.getName().equals(name)) {
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295 | changed = true;
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296 | it.remove();
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297 | }
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298 | }
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299 | if (changed) {
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300 | fireTableDataChanged();
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301 | setDirty(true);
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302 | }
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303 | }
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304 |
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305 | /**
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306 | * deletes the tags given by tagIndices
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307 | *
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308 | * @param tagIndices the list of tag indices
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309 | */
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310 | public void deleteTags(int[] tagIndices) {
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311 | if (tags == null)
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312 | return;
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313 | List<TagModel> toDelete = new ArrayList<>();
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314 | for (int tagIdx : tagIndices) {
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315 | TagModel tag = tags.get(tagIdx);
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316 | if (tag != null) {
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317 | toDelete.add(tag);
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318 | }
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319 | }
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320 | for (TagModel tag : toDelete) {
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321 | tags.remove(tag);
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322 | }
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323 | fireTableDataChanged();
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324 | setDirty(true);
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325 | }
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326 |
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327 | /**
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328 | * creates a new tag and appends it to the model
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329 | */
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330 | public void appendNewTag() {
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331 | TagModel tag = new TagModel();
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332 | tags.add(tag);
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333 | fireTableDataChanged();
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334 | setDirty(true);
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335 | }
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336 |
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337 | /**
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338 | * makes sure the model includes at least one (empty) tag
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339 | */
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340 | public void ensureOneTag() {
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341 | if (tags.isEmpty()) {
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342 | appendNewTag();
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343 | }
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344 | }
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345 |
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346 | /**
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347 | * initializes the model with the tags of an OSM primitive
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348 | *
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349 | * @param primitive the OSM primitive
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350 | */
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351 | public void initFromPrimitive(Tagged primitive) {
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352 | this.tags.clear();
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353 | for (String key : primitive.keySet()) {
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354 | String value = primitive.get(key);
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355 | this.tags.add(new TagModel(key, value));
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356 | }
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357 | TagModel tag = new TagModel();
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358 | sort();
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359 | tags.add(tag);
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360 | setDirty(false);
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361 | fireTableDataChanged();
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362 | }
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363 |
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364 | /**
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365 | * Initializes the model with the tags of an OSM primitive
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366 | *
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367 | * @param tags the tags of an OSM primitive
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368 | */
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369 | public void initFromTags(Map<String, String> tags) {
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370 | this.tags.clear();
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371 | for (Entry<String, String> entry : tags.entrySet()) {
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372 | this.tags.add(new TagModel(entry.getKey(), entry.getValue()));
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373 | }
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374 | sort();
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375 | TagModel tag = new TagModel();
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376 | this.tags.add(tag);
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377 | setDirty(false);
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378 | }
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379 |
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380 | /**
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381 | * Initializes the model with the tags in a tag collection. Removes
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382 | * all tags if {@code tags} is null.
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383 | *
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384 | * @param tags the tags
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385 | */
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386 | public void initFromTags(TagCollection tags) {
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387 | this.tags.clear();
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388 | if (tags == null) {
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389 | setDirty(false);
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390 | return;
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391 | }
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392 | for (String key : tags.getKeys()) {
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393 | String value = tags.getJoinedValues(key);
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394 | this.tags.add(new TagModel(key, value));
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395 | }
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396 | sort();
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397 | // add an empty row
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398 | TagModel tag = new TagModel();
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399 | this.tags.add(tag);
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400 | setDirty(false);
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401 | }
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402 |
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403 | /**
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404 | * applies the current state of the tag editor model to a primitive
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405 | *
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406 | * @param primitive the primitive
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407 | *
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408 | */
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409 | public void applyToPrimitive(Tagged primitive) {
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410 | primitive.setKeys(applyToTags(false));
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411 | }
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412 |
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413 | /**
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414 | * applies the current state of the tag editor model to a map of tags
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415 | * @param keepEmpty {@code true} to keep empty tags
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416 | *
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417 | * @return the map of key/value pairs
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418 | */
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419 | private Map<String, String> applyToTags(boolean keepEmpty) {
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420 | Map<String, String> result = new HashMap<>();
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421 | for (TagModel tag: this.tags) {
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422 | // tag still holds an unchanged list of different values for the same key.
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423 | // no property change command required
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424 | if (tag.getValueCount() > 1) {
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425 | continue;
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426 | }
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427 |
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428 | // tag name holds an empty key. Don't apply it to the selection.
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429 | //
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430 | if (!keepEmpty && (tag.getName().trim().isEmpty() || tag.getValue().trim().isEmpty())) {
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431 | continue;
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432 | }
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433 | result.put(tag.getName().trim(), tag.getValue().trim());
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434 | }
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435 | return result;
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436 | }
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437 |
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438 | public Map<String, String> getTags() {
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439 | return getTags(false);
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440 | }
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441 |
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442 | public Map<String, String> getTags(boolean keepEmpty) {
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443 | return applyToTags(keepEmpty);
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444 | }
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445 |
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446 | /**
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447 | * Replies the tags in this tag editor model as {@link TagCollection}.
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448 | *
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449 | * @return the tags in this tag editor model as {@link TagCollection}
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450 | */
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451 | public TagCollection getTagCollection() {
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452 | return TagCollection.from(getTags());
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453 | }
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454 |
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455 | /**
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456 | * checks whether the tag model includes a tag with a given key
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457 | *
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458 | * @param key the key
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459 | * @return true, if the tag model includes the tag; false, otherwise
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460 | */
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461 | public boolean includesTag(String key) {
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462 | if (key == null) return false;
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463 | for (TagModel tag : tags) {
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464 | if (tag.getName().equals(key))
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465 | return true;
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466 | }
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467 | return false;
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468 | }
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469 |
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470 | protected Command createUpdateTagCommand(Collection<OsmPrimitive> primitives, TagModel tag) {
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471 |
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472 | // tag still holds an unchanged list of different values for the same key.
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473 | // no property change command required
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474 | if (tag.getValueCount() > 1)
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475 | return null;
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476 |
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477 | // tag name holds an empty key. Don't apply it to the selection.
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478 | //
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479 | if (tag.getName().trim().isEmpty())
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480 | return null;
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481 |
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482 | return new ChangePropertyCommand(primitives, tag.getName(), tag.getValue());
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483 | }
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484 |
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485 | protected Command createDeleteTagsCommand(Collection<OsmPrimitive> primitives) {
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486 |
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487 | List<String> currentkeys = getKeys();
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488 | List<Command> commands = new ArrayList<>();
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489 |
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490 | for (OsmPrimitive primitive : primitives) {
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491 | for (String oldkey : primitive.keySet()) {
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492 | if (!currentkeys.contains(oldkey)) {
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493 | ChangePropertyCommand deleteCommand =
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494 | new ChangePropertyCommand(primitive, oldkey, null);
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495 | commands.add(deleteCommand);
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496 | }
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497 | }
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498 | }
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499 |
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500 | return new SequenceCommand(
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501 | trn("Remove old keys from up to {0} object", "Remove old keys from up to {0} objects", primitives.size(), primitives.size()),
|
---|
502 | commands
|
---|
503 | );
|
---|
504 | }
|
---|
505 |
|
---|
506 | /**
|
---|
507 | * replies the list of keys of the tags managed by this model
|
---|
508 | *
|
---|
509 | * @return the list of keys managed by this model
|
---|
510 | */
|
---|
511 | public List<String> getKeys() {
|
---|
512 | List<String> keys = new ArrayList<>();
|
---|
513 | for (TagModel tag: tags) {
|
---|
514 | if (!tag.getName().trim().isEmpty()) {
|
---|
515 | keys.add(tag.getName());
|
---|
516 | }
|
---|
517 | }
|
---|
518 | return keys;
|
---|
519 | }
|
---|
520 |
|
---|
521 | /**
|
---|
522 | * sorts the current tags according alphabetical order of names
|
---|
523 | */
|
---|
524 | protected void sort() {
|
---|
525 | java.util.Collections.sort(
|
---|
526 | tags,
|
---|
527 | new Comparator<TagModel>() {
|
---|
528 | @Override
|
---|
529 | public int compare(TagModel self, TagModel other) {
|
---|
530 | return self.getName().compareTo(other.getName());
|
---|
531 | }
|
---|
532 | }
|
---|
533 | );
|
---|
534 | }
|
---|
535 |
|
---|
536 | /**
|
---|
537 | * updates the name of a tag and sets the dirty state to true if
|
---|
538 | * the new name is different from the old name.
|
---|
539 | *
|
---|
540 | * @param tag the tag
|
---|
541 | * @param newName the new name
|
---|
542 | */
|
---|
543 | public void updateTagName(TagModel tag, String newName) {
|
---|
544 | String oldName = tag.getName();
|
---|
545 | tag.setName(newName);
|
---|
546 | if (!newName.equals(oldName)) {
|
---|
547 | setDirty(true);
|
---|
548 | }
|
---|
549 | SelectionStateMemento memento = new SelectionStateMemento();
|
---|
550 | fireTableDataChanged();
|
---|
551 | memento.apply();
|
---|
552 | }
|
---|
553 |
|
---|
554 | /**
|
---|
555 | * updates the value value of a tag and sets the dirty state to true if the
|
---|
556 | * new name is different from the old name
|
---|
557 | *
|
---|
558 | * @param tag the tag
|
---|
559 | * @param newValue the new value
|
---|
560 | */
|
---|
561 | public void updateTagValue(TagModel tag, String newValue) {
|
---|
562 | String oldValue = tag.getValue();
|
---|
563 | tag.setValue(newValue);
|
---|
564 | if (!newValue.equals(oldValue)) {
|
---|
565 | setDirty(true);
|
---|
566 | }
|
---|
567 | SelectionStateMemento memento = new SelectionStateMemento();
|
---|
568 | fireTableDataChanged();
|
---|
569 | memento.apply();
|
---|
570 | }
|
---|
571 |
|
---|
572 | /**
|
---|
573 | * Load tags from given list
|
---|
574 | * @param tags - the list
|
---|
575 | */
|
---|
576 | public void updateTags(List<Tag> tags) {
|
---|
577 | if (tags.isEmpty())
|
---|
578 | return;
|
---|
579 |
|
---|
580 | Map<String, TagModel> modelTags = new HashMap<>();
|
---|
581 | for (int i = 0; i < getRowCount(); i++) {
|
---|
582 | TagModel tagModel = get(i);
|
---|
583 | modelTags.put(tagModel.getName(), tagModel);
|
---|
584 | }
|
---|
585 | for (Tag tag: tags) {
|
---|
586 | TagModel existing = modelTags.get(tag.getKey());
|
---|
587 |
|
---|
588 | if (tag.getValue().isEmpty()) {
|
---|
589 | if (existing != null) {
|
---|
590 | delete(tag.getKey());
|
---|
591 | }
|
---|
592 | } else {
|
---|
593 | if (existing != null) {
|
---|
594 | updateTagValue(existing, tag.getValue());
|
---|
595 | } else {
|
---|
596 | add(tag.getKey(), tag.getValue());
|
---|
597 | }
|
---|
598 | }
|
---|
599 | }
|
---|
600 | }
|
---|
601 |
|
---|
602 | /**
|
---|
603 | * replies true, if this model has been updated
|
---|
604 | *
|
---|
605 | * @return true, if this model has been updated
|
---|
606 | */
|
---|
607 | public boolean isDirty() {
|
---|
608 | return dirty;
|
---|
609 | }
|
---|
610 |
|
---|
611 | class SelectionStateMemento {
|
---|
612 | private final int rowMin;
|
---|
613 | private final int rowMax;
|
---|
614 | private final int colMin;
|
---|
615 | private final int colMax;
|
---|
616 |
|
---|
617 | SelectionStateMemento() {
|
---|
618 | rowMin = rowSelectionModel.getMinSelectionIndex();
|
---|
619 | rowMax = rowSelectionModel.getMaxSelectionIndex();
|
---|
620 | colMin = colSelectionModel.getMinSelectionIndex();
|
---|
621 | colMax = colSelectionModel.getMaxSelectionIndex();
|
---|
622 | }
|
---|
623 |
|
---|
624 | public void apply() {
|
---|
625 | rowSelectionModel.setValueIsAdjusting(true);
|
---|
626 | colSelectionModel.setValueIsAdjusting(true);
|
---|
627 | if (rowMin >= 0 && rowMax >= 0) {
|
---|
628 | rowSelectionModel.setSelectionInterval(rowMin, rowMax);
|
---|
629 | }
|
---|
630 | if (colMin >= 0 && colMax >= 0) {
|
---|
631 | colSelectionModel.setSelectionInterval(colMin, colMax);
|
---|
632 | }
|
---|
633 | rowSelectionModel.setValueIsAdjusting(false);
|
---|
634 | colSelectionModel.setValueIsAdjusting(false);
|
---|
635 | }
|
---|
636 | }
|
---|
637 | }
|
---|