1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui.layer.gpx;
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3 |
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4 | import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
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5 | import static org.openstreetmap.josm.tools.I18n.tr;
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6 |
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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.GraphicsEnvironment;
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10 | import java.awt.GridBagLayout;
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11 | import java.awt.event.ActionEvent;
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12 | import java.awt.event.ActionListener;
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13 | import java.awt.event.MouseAdapter;
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14 | import java.awt.event.MouseEvent;
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15 | import java.awt.event.MouseListener;
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16 | import java.io.Serializable;
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17 | import java.util.Arrays;
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18 | import java.util.Comparator;
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19 | import java.util.Map;
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20 |
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21 | import javax.swing.AbstractAction;
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22 | import javax.swing.JComponent;
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23 | import javax.swing.JLabel;
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24 | import javax.swing.JPanel;
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25 | import javax.swing.JScrollPane;
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26 | import javax.swing.JTable;
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27 | import javax.swing.JToggleButton;
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28 | import javax.swing.ListSelectionModel;
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29 | import javax.swing.event.ListSelectionEvent;
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30 | import javax.swing.event.ListSelectionListener;
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31 | import javax.swing.table.DefaultTableModel;
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32 | import javax.swing.table.TableCellRenderer;
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33 | import javax.swing.table.TableRowSorter;
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34 |
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35 | import org.openstreetmap.josm.Main;
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36 | import org.openstreetmap.josm.data.SystemOfMeasurement;
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37 | import org.openstreetmap.josm.data.gpx.GpxConstants;
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38 | import org.openstreetmap.josm.data.gpx.GpxTrack;
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39 | import org.openstreetmap.josm.gui.ExtendedDialog;
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40 | import org.openstreetmap.josm.gui.layer.GpxLayer;
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41 | import org.openstreetmap.josm.tools.GBC;
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42 | import org.openstreetmap.josm.tools.ImageProvider;
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43 | import org.openstreetmap.josm.tools.OpenBrowser;
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44 | import org.openstreetmap.josm.tools.WindowGeometry;
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45 |
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46 | /**
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47 | * allows the user to choose which of the downloaded tracks should be displayed.
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48 | * they can be chosen from the gpx layer context menu.
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49 | */
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50 | public class ChooseTrackVisibilityAction extends AbstractAction {
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51 | private final transient GpxLayer layer;
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52 |
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53 | private DateFilterPanel dateFilter;
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54 | private JTable table;
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55 |
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56 | /**
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57 | * Constructs a new {@code ChooseTrackVisibilityAction}.
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58 | * @param layer The associated GPX layer
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59 | */
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60 | public ChooseTrackVisibilityAction(final GpxLayer layer) {
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61 | super(tr("Choose visible tracks"), ImageProvider.get("dialogs/filter"));
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62 | this.layer = layer;
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63 | putValue("help", ht("/Action/ChooseTrackVisibility"));
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64 | }
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65 |
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66 | /**
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67 | * Class to format a length according to SystemOfMesurement.
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68 | */
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69 | private static final class TrackLength {
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70 | private final double value;
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71 |
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72 | /**
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73 | * Constructs a new {@code TrackLength} object with a given length.
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74 | * @param value length of the track
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75 | */
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76 | TrackLength(double value) {
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77 | this.value = value;
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78 | }
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79 |
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80 | /**
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81 | * Provides string representation.
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82 | * @return String representation depending of SystemOfMeasurement
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83 | */
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84 | @Override
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85 | public String toString() {
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86 | return SystemOfMeasurement.getSystemOfMeasurement().getDistText(value);
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87 | }
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88 | }
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89 |
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90 | /**
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91 | * Comparator for TrackLength objects
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92 | */
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93 | private static final class LengthContentComparator implements Comparator<TrackLength>, Serializable {
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94 |
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95 | private static final long serialVersionUID = 1L;
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96 |
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97 | /**
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98 | * Compare 2 TrackLength objects relative to the real length
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99 | */
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100 | @Override
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101 | public int compare(TrackLength l0, TrackLength l1) {
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102 | return Double.compare(l0.value, l1.value);
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103 | }
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104 | }
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105 |
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106 | /**
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107 | * Gathers all available data for the tracks and returns them as array of arrays
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108 | * in the expected column order.
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109 | * @return table data
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110 | */
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111 | private Object[][] buildTableContents() {
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112 | Object[][] tracks = new Object[layer.data.tracks.size()][5];
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113 | int i = 0;
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114 | for (GpxTrack trk : layer.data.tracks) {
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115 | Map<String, Object> attr = trk.getAttributes();
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116 | String name = (String) (attr.containsKey(GpxConstants.GPX_NAME) ? attr.get(GpxConstants.GPX_NAME) : "");
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117 | String desc = (String) (attr.containsKey(GpxConstants.GPX_DESC) ? attr.get(GpxConstants.GPX_DESC) : "");
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118 | String time = GpxLayer.getTimespanForTrack(trk);
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119 | TrackLength length = new TrackLength(trk.length());
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120 | String url = (String) (attr.containsKey("url") ? attr.get("url") : "");
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121 | tracks[i] = new Object[]{name, desc, time, length, url};
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122 | i++;
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123 | }
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124 | return tracks;
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125 | }
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126 |
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127 | /**
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128 | * Builds an non-editable table whose 5th column will open a browser when double clicked.
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129 | * The table will fill its parent.
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130 | * @param content table data
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131 | * @return non-editable table
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132 | */
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133 | private JTable buildTable(Object[][] content) {
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134 | final String[] headers = {tr("Name"), tr("Description"), tr("Timespan"), tr("Length"), tr("URL")};
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135 | DefaultTableModel model = new DefaultTableModel(content, headers);
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136 | final JTable t = new JTable(model) {
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137 | @Override
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138 | public Component prepareRenderer(TableCellRenderer renderer, int row, int col) {
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139 | Component c = super.prepareRenderer(renderer, row, col);
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140 | if (c instanceof JComponent) {
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141 | JComponent jc = (JComponent) c;
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142 | jc.setToolTipText(getValueAt(row, col).toString());
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143 | }
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144 | return c;
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145 | }
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146 |
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147 | @Override
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148 | public boolean isCellEditable(int rowIndex, int colIndex) {
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149 | return false;
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150 | }
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151 | };
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152 | // define how to sort row
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153 | TableRowSorter<DefaultTableModel> rowSorter = new TableRowSorter<>();
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154 | t.setRowSorter(rowSorter);
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155 | rowSorter.setModel(model);
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156 | rowSorter.setComparator(3, new LengthContentComparator());
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157 | // default column widths
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158 | t.getColumnModel().getColumn(0).setPreferredWidth(220);
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159 | t.getColumnModel().getColumn(1).setPreferredWidth(300);
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160 | t.getColumnModel().getColumn(2).setPreferredWidth(200);
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161 | t.getColumnModel().getColumn(3).setPreferredWidth(50);
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162 | t.getColumnModel().getColumn(4).setPreferredWidth(100);
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163 | // make the link clickable
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164 | final MouseListener urlOpener = new MouseAdapter() {
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165 | @Override
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166 | public void mouseClicked(MouseEvent e) {
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167 | if (e.getClickCount() != 2) {
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168 | return;
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169 | }
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170 | JTable t = (JTable) e.getSource();
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171 | int col = t.convertColumnIndexToModel(t.columnAtPoint(e.getPoint()));
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172 | if (col != 4) {
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173 | return;
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174 | }
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175 | int row = t.rowAtPoint(e.getPoint());
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176 | String url = (String) t.getValueAt(row, col);
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177 | if (url == null || url.isEmpty()) {
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178 | return;
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179 | }
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180 | OpenBrowser.displayUrl(url);
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181 | }
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182 | };
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183 | t.addMouseListener(urlOpener);
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184 | t.setFillsViewportHeight(true);
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185 | return t;
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186 | }
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187 |
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188 | private boolean noUpdates;
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189 |
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190 | /** selects all rows (=tracks) in the table that are currently visible on the layer*/
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191 | private void selectVisibleTracksInTable() {
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192 | // don't select any tracks if the layer is not visible
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193 | if (!layer.isVisible()) {
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194 | return;
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195 | }
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196 | ListSelectionModel s = table.getSelectionModel();
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197 | s.clearSelection();
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198 | for (int i = 0; i < layer.trackVisibility.length; i++) {
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199 | if (layer.trackVisibility[i]) {
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200 | s.addSelectionInterval(i, i);
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201 | }
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202 | }
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203 | }
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204 |
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205 | /** listens to selection changes in the table and redraws the map */
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206 | private void listenToSelectionChanges() {
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207 | table.getSelectionModel().addListSelectionListener(new ListSelectionListener() {
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208 | @Override
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209 | public void valueChanged(ListSelectionEvent e) {
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210 | if (noUpdates || !(e.getSource() instanceof ListSelectionModel)) {
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211 | return;
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212 | }
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213 | updateVisibilityFromTable();
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214 | }
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215 | });
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216 | }
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217 |
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218 | private void updateVisibilityFromTable() {
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219 | ListSelectionModel s = table.getSelectionModel();
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220 | for (int i = 0; i < layer.trackVisibility.length; i++) {
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221 | layer.trackVisibility[table.convertRowIndexToModel(i)] = s.isSelectedIndex(i);
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222 | }
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223 | Main.map.mapView.preferenceChanged(null);
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224 | Main.map.repaint(100);
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225 | }
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226 |
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227 | @Override
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228 | public void actionPerformed(ActionEvent arg0) {
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229 | final JPanel msg = new JPanel(new GridBagLayout());
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230 |
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231 | dateFilter = new DateFilterPanel(layer, "gpx.traces", false);
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232 | dateFilter.setFilterAppliedListener(new ActionListener() {
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233 | @Override public void actionPerformed(ActionEvent e) {
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234 | noUpdates = true;
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235 | selectVisibleTracksInTable();
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236 | noUpdates = false;
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237 | Main.map.mapView.preferenceChanged(null);
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238 | Main.map.repaint(100);
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239 | }
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240 | });
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241 | dateFilter.loadFromPrefs();
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242 |
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243 | final JToggleButton b = new JToggleButton(new AbstractAction(tr("Select by date")) {
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244 | @Override public void actionPerformed(ActionEvent e) {
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245 | if (((JToggleButton) e.getSource()).isSelected()) {
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246 | dateFilter.setEnabled(true);
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247 | dateFilter.applyFilter();
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248 | } else {
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249 | dateFilter.setEnabled(false);
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250 | }
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251 | }
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252 | });
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253 | dateFilter.setEnabled(false);
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254 | msg.add(b, GBC.std().insets(0, 0, 5, 0));
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255 | msg.add(dateFilter, GBC.eol().insets(0, 0, 10, 0).fill(GBC.HORIZONTAL));
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256 |
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257 | msg.add(new JLabel(tr("<html>Select all tracks that you want to be displayed. " +
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258 | "You can drag select a range of tracks or use CTRL+Click to select specific ones. " +
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259 | "The map is updated live in the background. Open the URLs by double clicking them.</html>")),
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260 | GBC.eop().fill(GBC.HORIZONTAL));
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261 | // build table
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262 | final boolean[] trackVisibilityBackup = layer.trackVisibility.clone();
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263 | table = buildTable(buildTableContents());
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264 | selectVisibleTracksInTable();
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265 | listenToSelectionChanges();
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266 | // make the table scrollable
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267 | JScrollPane scrollPane = new JScrollPane(table);
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268 | msg.add(scrollPane, GBC.eol().fill(GBC.BOTH));
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269 |
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270 | int v = 1;
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271 | if (!GraphicsEnvironment.isHeadless()) {
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272 | // build dialog
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273 | ExtendedDialog ed = new ExtendedDialog(Main.parent, tr("Set track visibility for {0}", layer.getName()),
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274 | new String[]{tr("Show all"), tr("Show selected only"), tr("Cancel")});
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275 | ed.setButtonIcons(new String[]{"eye", "dialogs/filter", "cancel"});
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276 | ed.setContent(msg, false);
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277 | ed.setDefaultButton(2);
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278 | ed.setCancelButton(3);
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279 | ed.configureContextsensitiveHelp("/Action/ChooseTrackVisibility", true);
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280 | ed.setRememberWindowGeometry(getClass().getName() + ".geometry",
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281 | WindowGeometry.centerInWindow(Main.parent, new Dimension(1000, 500)));
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282 | ed.showDialog();
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283 | dateFilter.saveInPrefs();
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284 | v = ed.getValue();
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285 | // cancel for unknown buttons and copy back original settings
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286 | if (v != 1 && v != 2) {
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287 | layer.trackVisibility = Arrays.copyOf(trackVisibilityBackup, layer.trackVisibility.length);
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288 | Main.map.repaint();
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289 | return;
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290 | }
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291 | }
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292 | // set visibility (1 = show all, 2 = filter). If no tracks are selected
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293 | // set all of them visible and...
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294 | ListSelectionModel s = table.getSelectionModel();
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295 | final boolean all = v == 1 || s.isSelectionEmpty();
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296 | for (int i = 0; i < layer.trackVisibility.length; i++) {
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297 | layer.trackVisibility[table.convertRowIndexToModel(i)] = all || s.isSelectedIndex(i);
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298 | }
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299 | // ...sync with layer visibility instead to avoid having two ways to hide everything
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300 | layer.setVisible(v == 1 || !s.isSelectionEmpty());
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301 |
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302 | if (Main.isDisplayingMapView()) {
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303 | Main.map.mapView.preferenceChanged(null);
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304 | }
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305 | if (Main.map != null) {
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306 | Main.map.repaint();
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307 | }
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308 | }
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309 | }
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