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.logging.Logger;
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16 |
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17 | import javax.swing.table.AbstractTableModel;
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18 |
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19 | import org.openstreetmap.josm.command.ChangePropertyCommand;
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20 | import org.openstreetmap.josm.command.Command;
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21 | import org.openstreetmap.josm.command.SequenceCommand;
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22 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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23 | import org.openstreetmap.josm.data.osm.Tagged;
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24 |
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25 |
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26 | /**
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27 | * TagEditorModel is a table model.
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28 | *
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29 | *
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30 | * @author gubaer
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31 | *
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32 | */
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33 | @SuppressWarnings("serial")
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34 | public class TagEditorModel extends AbstractTableModel {
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35 | static private final Logger logger = Logger.getLogger(TagEditorModel.class.getName());
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36 |
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37 | static public final String PROP_DIRTY = TagEditorModel.class.getName() + ".dirty";
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38 |
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39 | /** the list holding the tags */
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40 | private ArrayList<TagModel> tags = null;
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41 |
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42 | /** indicates whether the model is dirty */
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43 | private boolean dirty = false;
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44 | private PropertyChangeSupport propChangeSupport = null;
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45 |
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46 | /**
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47 | * constructor
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48 | */
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49 | public TagEditorModel(){
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50 | tags = new ArrayList<TagModel>();
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51 | propChangeSupport = new PropertyChangeSupport(this);
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52 | }
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53 |
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54 | public void addPropertyChangeListener(PropertyChangeListener listener) {
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55 | propChangeSupport.addPropertyChangeListener(listener);
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56 | }
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57 |
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58 | public void removeProperyChangeListener(PropertyChangeListener listener) {
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59 | propChangeSupport.removePropertyChangeListener(listener);
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60 | }
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61 |
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62 | protected void fireDirtyStateChanged(final boolean oldValue, final boolean newValue) {
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63 | propChangeSupport.firePropertyChange(PROP_DIRTY, oldValue, newValue);
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64 | }
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65 |
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66 | protected void setDirty(boolean newValue) {
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67 | boolean oldValue = dirty;
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68 | dirty = newValue;
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69 | if (oldValue != newValue) {
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70 | fireDirtyStateChanged(oldValue, newValue);
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71 | }
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72 | }
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73 |
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74 | public int getColumnCount() {
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75 | return 2;
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76 | }
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77 |
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78 | public int getRowCount() {
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79 | return tags.size();
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80 | }
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81 |
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82 | public Object getValueAt(int rowIndex, int columnIndex) {
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83 | if (rowIndex >= getRowCount())
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84 | throw new IndexOutOfBoundsException("unexpected rowIndex: rowIndex=" + rowIndex);
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85 |
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86 | TagModel tag = tags.get(rowIndex);
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87 | switch(columnIndex) {
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88 | case 0:
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89 | case 1: return tag;
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90 |
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91 | default:
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92 | throw new IndexOutOfBoundsException("unexpected columnIndex: columnIndex=" + columnIndex);
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93 | }
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94 | }
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95 |
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96 | /**
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97 | * removes all tags in the model
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98 | */
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99 | public void clear() {
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100 | tags.clear();
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101 | setDirty(true);
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102 | fireTableDataChanged();
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103 | }
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104 |
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105 | /**
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106 | * adds a tag to the model
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107 | *
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108 | * @param tag the tag. Must not be null.
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109 | *
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110 | * @exception IllegalArgumentException thrown, if tag is null
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111 | */
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112 | public void add(TagModel tag) {
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113 | if (tag == null)
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114 | throw new IllegalArgumentException("argument 'tag' must not be null");
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115 | tags.add(tag);
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116 | setDirty(true);
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117 | fireTableDataChanged();
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118 | }
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119 |
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120 |
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121 | public void prepend(TagModel tag) {
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122 | if (tag == null)
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123 | throw new IllegalArgumentException("argument 'tag' must not be null");
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124 | tags.add(0, tag);
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125 | setDirty(true);
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126 | fireTableDataChanged();
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127 | }
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128 |
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129 |
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130 | /**
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131 | * adds a tag given by a name/value pair to the tag editor model.
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132 | *
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133 | * If there is no tag with name <code>name</name> yet, a new {@link TagModel} is created
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134 | * and append to this model.
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135 | *
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136 | * If there is a tag with name <code>name</name>, <code>value</code> is merged to the list
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137 | * of values for this tag.
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138 | *
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139 | * @param name the name; converted to "" if null
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140 | * @param value the value; converted to "" if null
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141 | */
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142 | public void add(String name, String value) {
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143 | name = (name == null) ? "" : name;
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144 | value = (value == null) ? "" : value;
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145 |
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146 | TagModel tag = get(name);
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147 | if (tag == null) {
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148 | tag = new TagModel(name, value);
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149 | add(tag);
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150 | } else {
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151 | tag.addValue(value);
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152 | }
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153 | setDirty(true);
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154 | }
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155 |
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156 |
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157 | /**
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158 | * replies the tag with name <code>name</code>; null, if no such tag exists
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159 | * @param name the tag name
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160 | * @return the tag with name <code>name</code>; null, if no such tag exists
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161 | */
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162 | public TagModel get(String name) {
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163 | name = (name == null) ? "" : name;
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164 | for (TagModel tag : tags) {
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165 | if (tag.getName().equals(name))
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166 | return tag;
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167 | }
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168 | return null;
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169 | }
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170 |
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171 | public TagModel get(int idx) {
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172 | TagModel tagModel = tags.get(idx);
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173 | return tagModel;
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174 | }
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175 |
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176 |
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177 |
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178 | @Override public boolean isCellEditable(int row, int col) {
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179 | // all cells are editable
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180 | return true;
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181 | }
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182 |
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183 |
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184 | /**
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185 | * deletes the names of the tags given by tagIndices
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186 | *
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187 | * @param tagIndices a list of tag indices
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188 | */
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189 | public void deleteTagNames(int [] tagIndices) {
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190 | if (tags == null)
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191 | return;
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192 | for (int tagIdx : tagIndices) {
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193 | TagModel tag = tags.get(tagIdx);
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194 | if (tag != null) {
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195 | tag.setName("");
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196 | }
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197 | }
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198 | fireTableDataChanged();
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199 | setDirty(true);
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200 | }
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201 |
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202 | /**
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203 | * deletes the values of the tags given by tagIndices
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204 | *
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205 | * @param tagIndices the lit of tag indices
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206 | */
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207 | public void deleteTagValues(int [] tagIndices) {
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208 | if (tags == null)
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209 | return;
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210 | for (int tagIdx : tagIndices) {
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211 | TagModel tag = tags.get(tagIdx);
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212 | if (tag != null) {
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213 | tag.setValue("");
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214 | }
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215 | }
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216 | fireTableDataChanged();
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217 | setDirty(true);
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218 | }
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219 |
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220 | /**
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221 | * Deletes all tags with name <code>name</code>
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222 | *
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223 | * @param name the name. Ignored if null.
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224 | */
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225 | public void delete(String name) {
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226 | if (name == null) return;
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227 | Iterator<TagModel> it = tags.iterator();
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228 | while(it.hasNext()) {
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229 | TagModel tm = it.next();
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230 | if (tm.getName().equals(name)) {
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231 | it.remove();
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232 | }
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233 | }
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234 | fireTableDataChanged();
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235 | setDirty(true);
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236 | }
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237 | /**
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238 | * deletes the tags given by tagIndices
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239 | *
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240 | * @param tagIndices the list of tag indices
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241 | */
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242 | public void deleteTags(int [] tagIndices) {
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243 | if (tags == null)
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244 | return;
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245 | ArrayList<TagModel> toDelete = new ArrayList<TagModel>();
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246 | for (int tagIdx : tagIndices) {
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247 | TagModel tag = tags.get(tagIdx);
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248 | if (tag != null) {
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249 | toDelete.add(tag);
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250 | }
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251 | }
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252 | for (TagModel tag : toDelete) {
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253 | tags.remove(tag);
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254 | }
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255 | fireTableDataChanged();
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256 | setDirty(true);
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257 | }
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258 |
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259 |
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260 | /**
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261 | * creates a new tag and appends it to the model
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262 | */
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263 | public void appendNewTag() {
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264 | TagModel tag = new TagModel();
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265 | tags.add(tag);
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266 | fireTableDataChanged();
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267 | setDirty(true);
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268 | }
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269 |
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270 | /**
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271 | * makes sure the model includes at least one (empty) tag
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272 | */
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273 | public void ensureOneTag() {
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274 | if (tags.size() == 0) {
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275 | appendNewTag();
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276 | }
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277 | }
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278 |
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279 | /**
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280 | * initializes the model with the tags of an OSM primitive
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281 | *
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282 | * @param primitive the OSM primitive
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283 | */
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284 | public void initFromPrimitive(Tagged primitive) {
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285 | clear();
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286 | for (String key : primitive.keySet()) {
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287 | String value = primitive.get(key);
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288 | add(key,value);
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289 | }
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290 | TagModel tag = new TagModel();
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291 | sort();
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292 | tags.add(tag);
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293 | setDirty(false);
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294 | }
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295 |
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296 | /**
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297 | * initializes the model with the tags of an OSM primitive
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298 | *
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299 | * @param primitive the OSM primitive
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300 | */
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301 | public void initFromTags(Map<String,String> tags) {
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302 | clear();
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303 | for (String key : tags.keySet()) {
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304 | String value = tags.get(key);
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305 | add(key,value);
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306 | }
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307 | TagModel tag = new TagModel();
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308 | sort();
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309 | this.tags.add(tag);
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310 | setDirty(false);
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311 | }
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312 |
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313 | /**
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314 | * applies the current state of the tag editor model to a primitive
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315 | *
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316 | * @param primitive the primitive
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317 | *
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318 | */
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319 | public void applyToPrimitive(Tagged primitive) {
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320 | Map<String,String> tags = primitive.getKeys();
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321 | applyToTags(tags);
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322 | primitive.setKeys(tags);
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323 | }
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324 |
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325 | /**
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326 | * applies the current state of the tag editor model to a map of tags
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327 | *
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328 | * @param tags the map of key/value pairs
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329 | *
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330 | */
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331 | public void applyToTags(Map<String, String> tags) {
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332 | tags.clear();
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333 | for (TagModel tag: this.tags) {
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334 | // tag still holds an unchanged list of different values for the same key.
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335 | // no property change command required
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336 | if (tag.getValueCount() > 1) {
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337 | continue;
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338 | }
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339 |
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340 | // tag name holds an empty key. Don't apply it to the selection.
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341 | //
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342 | if (tag.getName().trim().equals("")) {
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343 | continue;
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344 | }
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345 | // tag has an empty value => don't apply the tag
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346 | //
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347 | if (tag.getValue().trim().equals("")) {
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348 | continue;
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349 | }
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350 | tags.put(tag.getName(), tag.getValue());
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351 | }
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352 | }
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353 |
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354 | public Map<String,String> getTags() {
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355 | Map<String,String> tags = new HashMap<String, String>();
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356 | applyToTags(tags);
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357 | return tags;
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358 | }
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359 |
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360 | /**
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361 | * checks whether the tag model includes a tag with a given key
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362 | *
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363 | * @param key the key
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364 | * @return true, if the tag model includes the tag; false, otherwise
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365 | */
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366 | public boolean includesTag(String key) {
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367 | if (key == null) return false;
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368 | for (TagModel tag : tags) {
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369 | if (tag.getName().equals(key))
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370 | return true;
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371 | }
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372 | return false;
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373 | }
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374 |
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375 |
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376 | protected Command createUpdateTagCommand(Collection<OsmPrimitive> primitives, TagModel tag) {
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377 |
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378 | // tag still holds an unchanged list of different values for the same key.
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379 | // no property change command required
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380 | if (tag.getValueCount() > 1)
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381 | return null;
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382 |
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383 | // tag name holds an empty key. Don't apply it to the selection.
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384 | //
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385 | if (tag.getName().trim().equals(""))
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386 | return null;
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387 |
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388 | String newkey = tag.getName();
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389 | String newvalue = tag.getValue();
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390 |
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391 | ChangePropertyCommand command = new ChangePropertyCommand(primitives,newkey, newvalue);
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392 | return command;
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393 | }
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394 |
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395 | protected Command createDeleteTagsCommand(Collection<OsmPrimitive> primitives) {
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396 |
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397 | List<String> currentkeys = getKeys();
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398 | ArrayList<Command> commands = new ArrayList<Command>();
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399 |
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400 | for (OsmPrimitive primitive : primitives) {
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401 | for (String oldkey : primitive.keySet()) {
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402 | if (!currentkeys.contains(oldkey)) {
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403 | ChangePropertyCommand deleteCommand =
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404 | new ChangePropertyCommand(primitive,oldkey,null);
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405 | commands.add(deleteCommand);
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406 | }
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407 | }
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408 | }
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409 |
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410 | SequenceCommand command = new SequenceCommand(
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411 | trn("Remove old keys from up to {0} object", "Remove old keys from up to {0} objects", primitives.size(), primitives.size()),
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412 | commands
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413 | );
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414 |
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415 | return command;
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416 | }
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417 |
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418 | /**
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419 | * replies the list of keys of the tags managed by this model
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420 | *
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421 | * @return the list of keys managed by this model
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422 | */
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423 | public List<String> getKeys() {
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424 | ArrayList<String> keys = new ArrayList<String>();
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425 | for (TagModel tag: tags) {
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426 | if (!tag.getName().trim().equals("")) {
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427 | keys.add(tag.getName());
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428 | }
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429 | }
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430 | return keys;
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431 | }
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432 |
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433 | /**
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434 | * sorts the current tags according alphabetical order of names
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435 | */
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436 | protected void sort() {
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437 | java.util.Collections.sort(
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438 | tags,
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439 | new Comparator<TagModel>() {
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440 | public int compare(TagModel self, TagModel other) {
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441 | return self.getName().compareTo(other.getName());
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442 | }
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443 | }
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444 | );
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445 | }
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446 |
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447 | /**
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448 | * updates the name of a tag and sets the dirty state to true if
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449 | * the new name is different from the old name.
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450 | *
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451 | * @param tag the tag
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452 | * @param newName the new name
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453 | */
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454 | public void updateTagName(TagModel tag, String newName) {
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455 | String oldName = tag.getName();
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456 | tag.setName(newName);
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457 | if (! newName.equals(oldName)) {
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458 | setDirty(true);
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459 | }
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460 | }
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461 |
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462 | /**
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463 | * updates the value value of a tag and sets the dirty state to true if the
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464 | * new name is different from the old name
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465 | *
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466 | * @param tag the tag
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467 | * @param newValue the new value
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468 | */
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469 | public void updateTagValue(TagModel tag, String newValue) {
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470 | String oldValue = tag.getValue();
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471 | tag.setValue(newValue);
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472 | if (! newValue.equals(oldValue)) {
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473 | setDirty(true);
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474 | }
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475 | }
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476 |
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477 | /**
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478 | * replies true, if this model has been updated
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479 | *
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480 | * @return true, if this model has been updated
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481 | */
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482 | public boolean isDirty() {
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483 | return dirty;
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484 | }
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485 | }
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