1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui.download;
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3 |
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4 | import static org.openstreetmap.josm.tools.I18n.tr;
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5 |
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6 | import java.awt.BorderLayout;
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7 | import java.awt.Component;
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8 | import java.awt.Dimension;
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9 | import java.awt.GridBagLayout;
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10 | import java.awt.GridLayout;
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11 | import java.awt.event.ActionEvent;
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12 | import java.awt.event.MouseAdapter;
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13 | import java.awt.event.MouseEvent;
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14 | import java.io.IOException;
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15 | import java.io.InputStream;
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16 | import java.io.InputStreamReader;
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17 | import java.io.Reader;
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18 | import java.net.HttpURLConnection;
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19 | import java.net.URL;
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20 | import java.nio.charset.StandardCharsets;
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21 | import java.text.DecimalFormat;
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22 | import java.util.ArrayList;
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23 | import java.util.Collections;
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24 | import java.util.LinkedList;
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25 | import java.util.List;
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26 | import java.util.StringTokenizer;
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27 |
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28 | import javax.swing.AbstractAction;
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29 | import javax.swing.BorderFactory;
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30 | import javax.swing.DefaultListSelectionModel;
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31 | import javax.swing.JButton;
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32 | import javax.swing.JLabel;
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33 | import javax.swing.JOptionPane;
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34 | import javax.swing.JPanel;
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35 | import javax.swing.JScrollPane;
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36 | import javax.swing.JTable;
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37 | import javax.swing.JTextField;
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38 | import javax.swing.ListSelectionModel;
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39 | import javax.swing.UIManager;
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40 | import javax.swing.event.DocumentEvent;
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41 | import javax.swing.event.DocumentListener;
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42 | import javax.swing.event.ListSelectionEvent;
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43 | import javax.swing.event.ListSelectionListener;
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44 | import javax.swing.table.DefaultTableColumnModel;
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45 | import javax.swing.table.DefaultTableModel;
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46 | import javax.swing.table.TableCellRenderer;
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47 | import javax.swing.table.TableColumn;
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48 |
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49 | import org.openstreetmap.josm.Main;
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50 | import org.openstreetmap.josm.data.Bounds;
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51 | import org.openstreetmap.josm.gui.ExceptionDialogUtil;
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52 | import org.openstreetmap.josm.gui.HelpAwareOptionPane;
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53 | import org.openstreetmap.josm.gui.PleaseWaitRunnable;
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54 | import org.openstreetmap.josm.gui.util.GuiHelper;
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55 | import org.openstreetmap.josm.gui.widgets.HistoryComboBox;
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56 | import org.openstreetmap.josm.gui.widgets.JosmComboBox;
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57 | import org.openstreetmap.josm.io.OsmTransferException;
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58 | import org.openstreetmap.josm.tools.GBC;
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59 | import org.openstreetmap.josm.tools.ImageProvider;
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60 | import org.openstreetmap.josm.tools.OsmUrlToBounds;
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61 | import org.openstreetmap.josm.tools.Utils;
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62 | import org.xml.sax.Attributes;
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63 | import org.xml.sax.InputSource;
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64 | import org.xml.sax.SAXException;
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65 | import org.xml.sax.SAXParseException;
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66 | import org.xml.sax.helpers.DefaultHandler;
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67 |
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68 | public class PlaceSelection implements DownloadSelection {
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69 | private static final String HISTORY_KEY = "download.places.history";
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70 |
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71 | private HistoryComboBox cbSearchExpression;
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72 | private JButton btnSearch;
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73 | private NamedResultTableModel model;
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74 | private NamedResultTableColumnModel columnmodel;
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75 | private JTable tblSearchResults;
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76 | private DownloadDialog parent;
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77 | private static final Server[] SERVERS = new Server[] {
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78 | new Server("Nominatim","https://nominatim.openstreetmap.org/search?format=xml&q=",tr("Class Type"),tr("Bounds"))
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79 | };
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80 | private final JosmComboBox<Server> server = new JosmComboBox<>(SERVERS);
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81 |
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82 | private static class Server {
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83 | public String name;
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84 | public String url;
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85 | public String thirdcol;
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86 | public String fourthcol;
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87 | @Override
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88 | public String toString() {
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89 | return name;
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90 | }
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91 | public Server(String n, String u, String t, String f) {
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92 | name = n;
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93 | url = u;
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94 | thirdcol = t;
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95 | fourthcol = f;
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96 | }
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97 | }
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98 |
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99 | protected JPanel buildSearchPanel() {
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100 | JPanel lpanel = new JPanel();
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101 | lpanel.setLayout(new GridLayout(2,2));
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102 | JPanel panel = new JPanel();
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103 | panel.setLayout(new GridBagLayout());
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104 |
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105 | lpanel.add(new JLabel(tr("Choose the server for searching:")));
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106 | lpanel.add(server);
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107 | String s = Main.pref.get("namefinder.server", SERVERS[0].name);
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108 | for (int i = 0; i < SERVERS.length; ++i) {
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109 | if (SERVERS[i].name.equals(s)) {
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110 | server.setSelectedIndex(i);
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111 | }
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112 | }
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113 | lpanel.add(new JLabel(tr("Enter a place name to search for:")));
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114 |
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115 | cbSearchExpression = new HistoryComboBox();
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116 | cbSearchExpression.setToolTipText(tr("Enter a place name to search for"));
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117 | List<String> cmtHistory = new LinkedList<>(Main.pref.getCollection(HISTORY_KEY, new LinkedList<String>()));
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118 | Collections.reverse(cmtHistory);
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119 | cbSearchExpression.setPossibleItems(cmtHistory);
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120 | lpanel.add(cbSearchExpression);
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121 |
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122 | panel.add(lpanel, GBC.std().fill(GBC.HORIZONTAL).insets(5, 5, 0, 5));
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123 | SearchAction searchAction = new SearchAction();
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124 | btnSearch = new JButton(searchAction);
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125 | ((JTextField)cbSearchExpression.getEditor().getEditorComponent()).getDocument().addDocumentListener(searchAction);
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126 | ((JTextField)cbSearchExpression.getEditor().getEditorComponent()).addActionListener(searchAction);
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127 |
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128 | panel.add(btnSearch, GBC.eol().insets(5, 5, 0, 5));
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129 |
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130 | return panel;
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131 | }
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132 |
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133 | /**
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134 | * Adds a new tab to the download dialog in JOSM.
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135 | *
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136 | * This method is, for all intents and purposes, the constructor for this class.
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137 | */
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138 | @Override
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139 | public void addGui(final DownloadDialog gui) {
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140 | JPanel panel = new JPanel();
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141 | panel.setLayout(new BorderLayout());
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142 | panel.add(buildSearchPanel(), BorderLayout.NORTH);
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143 |
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144 | DefaultListSelectionModel selectionModel = new DefaultListSelectionModel();
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145 | model = new NamedResultTableModel(selectionModel);
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146 | columnmodel = new NamedResultTableColumnModel();
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147 | tblSearchResults = new JTable(model, columnmodel);
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148 | tblSearchResults.setSelectionModel(selectionModel);
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149 | JScrollPane scrollPane = new JScrollPane(tblSearchResults);
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150 | scrollPane.setPreferredSize(new Dimension(200,200));
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151 | panel.add(scrollPane, BorderLayout.CENTER);
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152 |
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153 | gui.addDownloadAreaSelector(panel, tr("Areas around places"));
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154 |
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155 | scrollPane.setPreferredSize(scrollPane.getPreferredSize());
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156 | tblSearchResults.getSelectionModel().setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
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157 | tblSearchResults.getSelectionModel().addListSelectionListener(new ListSelectionHandler());
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158 | tblSearchResults.addMouseListener(new MouseAdapter() {
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159 | @Override public void mouseClicked(MouseEvent e) {
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160 | if (e.getClickCount() > 1) {
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161 | SearchResult sr = model.getSelectedSearchResult();
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162 | if (sr == null) return;
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163 | parent.startDownload(sr.getDownloadArea());
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164 | }
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165 | }
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166 | });
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167 | parent = gui;
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168 | }
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169 |
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170 | @Override
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171 | public void setDownloadArea(Bounds area) {
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172 | tblSearchResults.clearSelection();
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173 | }
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174 |
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175 | /**
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176 | * Data storage for search results.
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177 | */
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178 | private static class SearchResult {
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179 | public String name;
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180 | public String info;
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181 | public String nearestPlace;
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182 | public String description;
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183 | public double lat;
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184 | public double lon;
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185 | public int zoom = 0;
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186 | public Bounds bounds = null;
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187 |
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188 | public Bounds getDownloadArea() {
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189 | return bounds != null ? bounds : OsmUrlToBounds.positionToBounds(lat, lon, zoom);
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190 | }
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191 | }
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192 |
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193 | /**
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194 | * A very primitive parser for the name finder's output.
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195 | * Structure of xml described here: http://wiki.openstreetmap.org/index.php/Name_finder
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196 | *
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197 | */
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198 | private static class NameFinderResultParser extends DefaultHandler {
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199 | private SearchResult currentResult = null;
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200 | private StringBuffer description = null;
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201 | private int depth = 0;
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202 | private List<SearchResult> data = new LinkedList<>();
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203 |
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204 | /**
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205 | * Detect starting elements.
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206 | *
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207 | */
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208 | @Override
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209 | public void startElement(String namespaceURI, String localName, String qName, Attributes atts)
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210 | throws SAXException {
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211 | depth++;
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212 | try {
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213 | if ("searchresults".equals(qName)) {
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214 | // do nothing
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215 | } else if ("named".equals(qName) && (depth == 2)) {
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216 | currentResult = new PlaceSelection.SearchResult();
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217 | currentResult.name = atts.getValue("name");
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218 | currentResult.info = atts.getValue("info");
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219 | if(currentResult.info != null) {
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220 | currentResult.info = tr(currentResult.info);
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221 | }
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222 | currentResult.lat = Double.parseDouble(atts.getValue("lat"));
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223 | currentResult.lon = Double.parseDouble(atts.getValue("lon"));
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224 | currentResult.zoom = Integer.parseInt(atts.getValue("zoom"));
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225 | data.add(currentResult);
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226 | } else if ("description".equals(qName) && (depth == 3)) {
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227 | description = new StringBuffer();
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228 | } else if ("named".equals(qName) && (depth == 4)) {
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229 | // this is a "named" place in the nearest places list.
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230 | String info = atts.getValue("info");
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231 | if ("city".equals(info) || "town".equals(info) || "village".equals(info)) {
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232 | currentResult.nearestPlace = atts.getValue("name");
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233 | }
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234 | } else if ("place".equals(qName) && atts.getValue("lat") != null) {
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235 | currentResult = new PlaceSelection.SearchResult();
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236 | currentResult.name = atts.getValue("display_name");
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237 | currentResult.description = currentResult.name;
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238 | currentResult.info = atts.getValue("class");
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239 | if (currentResult.info != null) {
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240 | currentResult.info = tr(currentResult.info);
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241 | }
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242 | currentResult.nearestPlace = tr(atts.getValue("type"));
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243 | currentResult.lat = Double.parseDouble(atts.getValue("lat"));
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244 | currentResult.lon = Double.parseDouble(atts.getValue("lon"));
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245 | String[] bbox = atts.getValue("boundingbox").split(",");
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246 | currentResult.bounds = new Bounds(
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247 | Double.parseDouble(bbox[0]), Double.parseDouble(bbox[2]),
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248 | Double.parseDouble(bbox[1]), Double.parseDouble(bbox[3]));
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249 | data.add(currentResult);
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250 | }
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251 | } catch (NumberFormatException x) {
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252 | Main.error(x); // SAXException does not chain correctly
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253 | throw new SAXException(x.getMessage(), x);
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254 | } catch (NullPointerException x) {
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255 | Main.error(x); // SAXException does not chain correctly
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256 | throw new SAXException(tr("Null pointer exception, possibly some missing tags."), x);
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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 | * Detect ending elements.
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262 | */
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263 | @Override
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264 | public void endElement(String namespaceURI, String localName, String qName) throws SAXException {
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265 | if ("description".equals(qName) && description != null) {
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266 | currentResult.description = description.toString();
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267 | description = null;
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268 | }
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269 | depth--;
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270 | }
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271 |
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272 | /**
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273 | * Read characters for description.
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274 | */
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275 | @Override
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276 | public void characters(char[] data, int start, int length) throws org.xml.sax.SAXException {
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277 | if (description != null) {
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278 | description.append(data, start, length);
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279 | }
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280 | }
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281 |
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282 | public List<SearchResult> getResult() {
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283 | return data;
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284 | }
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285 | }
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286 |
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287 | class SearchAction extends AbstractAction implements DocumentListener {
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288 |
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289 | public SearchAction() {
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290 | putValue(NAME, tr("Search ..."));
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291 | putValue(SMALL_ICON, ImageProvider.get("dialogs","search"));
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292 | putValue(SHORT_DESCRIPTION, tr("Click to start searching for places"));
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293 | updateEnabledState();
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294 | }
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295 |
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296 | @Override
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297 | public void actionPerformed(ActionEvent e) {
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298 | if (!isEnabled() || cbSearchExpression.getText().trim().length() == 0)
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299 | return;
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300 | cbSearchExpression.addCurrentItemToHistory();
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301 | Main.pref.putCollection(HISTORY_KEY, cbSearchExpression.getHistory());
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302 | NameQueryTask task = new NameQueryTask(cbSearchExpression.getText());
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303 | Main.worker.submit(task);
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304 | }
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305 |
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306 | protected final void updateEnabledState() {
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307 | setEnabled(cbSearchExpression.getText().trim().length() > 0);
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308 | }
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309 |
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310 | @Override
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311 | public void changedUpdate(DocumentEvent e) {
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312 | updateEnabledState();
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313 | }
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314 |
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315 | @Override
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316 | public void insertUpdate(DocumentEvent e) {
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317 | updateEnabledState();
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318 | }
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319 |
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320 | @Override
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321 | public void removeUpdate(DocumentEvent e) {
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322 | updateEnabledState();
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323 | }
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324 | }
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325 |
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326 | class NameQueryTask extends PleaseWaitRunnable {
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327 |
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328 | private String searchExpression;
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329 | private HttpURLConnection connection;
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330 | private transient List<SearchResult> data;
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331 | private boolean canceled = false;
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332 | private Server useserver;
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333 | private Exception lastException;
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334 |
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335 | public NameQueryTask(String searchExpression) {
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336 | super(tr("Querying name server"),false /* don't ignore exceptions */);
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337 | this.searchExpression = searchExpression;
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338 | useserver = (Server)server.getSelectedItem();
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339 | Main.pref.put("namefinder.server", useserver.name);
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340 | }
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341 |
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342 | @Override
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343 | protected void cancel() {
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344 | this.canceled = true;
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345 | synchronized (this) {
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346 | if (connection != null) {
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347 | connection.disconnect();
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348 | }
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349 | }
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350 | }
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351 |
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352 | @Override
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353 | protected void finish() {
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354 | if (canceled)
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355 | return;
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356 | if (lastException != null) {
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357 | ExceptionDialogUtil.explainException(lastException);
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358 | return;
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359 | }
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360 | columnmodel.setHeadlines(useserver.thirdcol, useserver.fourthcol);
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361 | model.setData(this.data);
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362 | }
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363 |
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364 | @Override
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365 | protected void realRun() throws SAXException, IOException, OsmTransferException {
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366 | String urlString = useserver.url+Utils.encodeUrl(searchExpression);
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367 |
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368 | try {
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369 | getProgressMonitor().indeterminateSubTask(tr("Querying name server ..."));
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370 | URL url = new URL(urlString);
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371 | synchronized(this) {
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372 | connection = Utils.openHttpConnection(url);
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373 | }
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374 | connection.setConnectTimeout(Main.pref.getInteger("socket.timeout.connect",15)*1000);
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375 | try (
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376 | InputStream inputStream = connection.getInputStream();
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377 | Reader reader = new InputStreamReader(inputStream, StandardCharsets.UTF_8);
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378 | ) {
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379 | InputSource inputSource = new InputSource(reader);
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380 | NameFinderResultParser parser = new NameFinderResultParser();
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381 | Utils.newSafeSAXParser().parse(inputSource, parser);
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382 | this.data = parser.getResult();
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383 | }
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384 | } catch (SAXParseException e) {
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385 | if (!canceled) {
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386 | // Nominatim sometimes returns garbage, see #5934, #10643
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387 | Main.warn(tr("Error occured with query ''{0}'': ''{1}''", urlString, e.getMessage()));
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388 | GuiHelper.runInEDTAndWait(new Runnable() {
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389 | @Override
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390 | public void run() {
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391 | HelpAwareOptionPane.showOptionDialog(
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392 | Main.parent,
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393 | tr("Name server returned invalid data. Please try again."),
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394 | tr("Bad response"),
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395 | JOptionPane.WARNING_MESSAGE, null
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396 | );
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397 | }
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398 | });
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399 | }
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400 | } catch (Exception e) {
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401 | if (!canceled) {
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402 | OsmTransferException ex = new OsmTransferException(e);
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403 | ex.setUrl(urlString);
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404 | lastException = ex;
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405 | }
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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 | static class NamedResultTableModel extends DefaultTableModel {
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411 | private transient List<SearchResult> data;
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412 | private transient ListSelectionModel selectionModel;
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413 |
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414 | public NamedResultTableModel(ListSelectionModel selectionModel) {
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415 | data = new ArrayList<>();
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416 | this.selectionModel = selectionModel;
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417 | }
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418 | @Override
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419 | public int getRowCount() {
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420 | if (data == null) return 0;
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421 | return data.size();
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422 | }
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423 |
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424 | @Override
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425 | public Object getValueAt(int row, int column) {
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426 | if (data == null) return null;
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427 | return data.get(row);
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428 | }
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429 |
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430 | public void setData(List<SearchResult> data) {
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431 | if (data == null) {
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432 | this.data.clear();
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433 | } else {
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434 | this.data = new ArrayList<>(data);
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435 | }
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436 | fireTableDataChanged();
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437 | }
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438 | @Override
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439 | public boolean isCellEditable(int row, int column) {
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440 | return false;
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441 | }
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442 |
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443 | public SearchResult getSelectedSearchResult() {
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444 | if (selectionModel.getMinSelectionIndex() < 0)
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445 | return null;
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446 | return data.get(selectionModel.getMinSelectionIndex());
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447 | }
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448 | }
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449 |
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450 | static class NamedResultTableColumnModel extends DefaultTableColumnModel {
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451 | private TableColumn col3 = null;
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452 | private TableColumn col4 = null;
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453 | protected final void createColumns() {
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454 | TableColumn col = null;
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455 | NamedResultCellRenderer renderer = new NamedResultCellRenderer();
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456 |
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457 | // column 0 - Name
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458 | col = new TableColumn(0);
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459 | col.setHeaderValue(tr("Name"));
|
---|
460 | col.setResizable(true);
|
---|
461 | col.setPreferredWidth(200);
|
---|
462 | col.setCellRenderer(renderer);
|
---|
463 | addColumn(col);
|
---|
464 |
|
---|
465 | // column 1 - Version
|
---|
466 | col = new TableColumn(1);
|
---|
467 | col.setHeaderValue(tr("Type"));
|
---|
468 | col.setResizable(true);
|
---|
469 | col.setPreferredWidth(100);
|
---|
470 | col.setCellRenderer(renderer);
|
---|
471 | addColumn(col);
|
---|
472 |
|
---|
473 | // column 2 - Near
|
---|
474 | col3 = new TableColumn(2);
|
---|
475 | col3.setHeaderValue(SERVERS[0].thirdcol);
|
---|
476 | col3.setResizable(true);
|
---|
477 | col3.setPreferredWidth(100);
|
---|
478 | col3.setCellRenderer(renderer);
|
---|
479 | addColumn(col3);
|
---|
480 |
|
---|
481 | // column 3 - Zoom
|
---|
482 | col4 = new TableColumn(3);
|
---|
483 | col4.setHeaderValue(SERVERS[0].fourthcol);
|
---|
484 | col4.setResizable(true);
|
---|
485 | col4.setPreferredWidth(50);
|
---|
486 | col4.setCellRenderer(renderer);
|
---|
487 | addColumn(col4);
|
---|
488 | }
|
---|
489 | public void setHeadlines(String third, String fourth) {
|
---|
490 | col3.setHeaderValue(third);
|
---|
491 | col4.setHeaderValue(fourth);
|
---|
492 | fireColumnMarginChanged();
|
---|
493 | }
|
---|
494 |
|
---|
495 | public NamedResultTableColumnModel() {
|
---|
496 | createColumns();
|
---|
497 | }
|
---|
498 | }
|
---|
499 |
|
---|
500 | class ListSelectionHandler implements ListSelectionListener {
|
---|
501 | @Override
|
---|
502 | public void valueChanged(ListSelectionEvent lse) {
|
---|
503 | SearchResult r = model.getSelectedSearchResult();
|
---|
504 | if (r != null) {
|
---|
505 | parent.boundingBoxChanged(r.getDownloadArea(), PlaceSelection.this);
|
---|
506 | }
|
---|
507 | }
|
---|
508 | }
|
---|
509 |
|
---|
510 | static class NamedResultCellRenderer extends JLabel implements TableCellRenderer {
|
---|
511 |
|
---|
512 | public NamedResultCellRenderer() {
|
---|
513 | setOpaque(true);
|
---|
514 | setBorder(BorderFactory.createEmptyBorder(2,2,2,2));
|
---|
515 | }
|
---|
516 |
|
---|
517 | protected void reset() {
|
---|
518 | setText("");
|
---|
519 | setIcon(null);
|
---|
520 | }
|
---|
521 |
|
---|
522 | protected void renderColor(boolean selected) {
|
---|
523 | if (selected) {
|
---|
524 | setForeground(UIManager.getColor("Table.selectionForeground"));
|
---|
525 | setBackground(UIManager.getColor("Table.selectionBackground"));
|
---|
526 | } else {
|
---|
527 | setForeground(UIManager.getColor("Table.foreground"));
|
---|
528 | setBackground(UIManager.getColor("Table.background"));
|
---|
529 | }
|
---|
530 | }
|
---|
531 |
|
---|
532 | protected String lineWrapDescription(String description) {
|
---|
533 | StringBuilder ret = new StringBuilder();
|
---|
534 | StringBuilder line = new StringBuilder();
|
---|
535 | StringTokenizer tok = new StringTokenizer(description, " ");
|
---|
536 | while(tok.hasMoreElements()) {
|
---|
537 | String t = tok.nextToken();
|
---|
538 | if (line.length() == 0) {
|
---|
539 | line.append(t);
|
---|
540 | } else if (line.length() < 80) {
|
---|
541 | line.append(" ").append(t);
|
---|
542 | } else {
|
---|
543 | line.append(" ").append(t).append("<br>");
|
---|
544 | ret.append(line);
|
---|
545 | line = new StringBuilder();
|
---|
546 | }
|
---|
547 | }
|
---|
548 | ret.insert(0, "<html>");
|
---|
549 | ret.append("</html>");
|
---|
550 | return ret.toString();
|
---|
551 | }
|
---|
552 |
|
---|
553 | @Override
|
---|
554 | public Component getTableCellRendererComponent(JTable table, Object value,
|
---|
555 | boolean isSelected, boolean hasFocus, int row, int column) {
|
---|
556 |
|
---|
557 | reset();
|
---|
558 | renderColor(isSelected);
|
---|
559 |
|
---|
560 | if (value == null) return this;
|
---|
561 | SearchResult sr = (SearchResult) value;
|
---|
562 | switch(column) {
|
---|
563 | case 0:
|
---|
564 | setText(sr.name);
|
---|
565 | break;
|
---|
566 | case 1:
|
---|
567 | setText(sr.info);
|
---|
568 | break;
|
---|
569 | case 2:
|
---|
570 | setText(sr.nearestPlace);
|
---|
571 | break;
|
---|
572 | case 3:
|
---|
573 | if(sr.bounds != null) {
|
---|
574 | setText(sr.bounds.toShortString(new DecimalFormat("0.000")));
|
---|
575 | } else {
|
---|
576 | setText(sr.zoom != 0 ? Integer.toString(sr.zoom) : tr("unknown"));
|
---|
577 | }
|
---|
578 | break;
|
---|
579 | }
|
---|
580 | setToolTipText(lineWrapDescription(sr.description));
|
---|
581 | return this;
|
---|
582 | }
|
---|
583 | }
|
---|
584 | }
|
---|