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.tools.I18n.tr;
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5 |
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6 | import java.awt.Component;
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7 | import java.awt.GridBagLayout;
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8 | import java.awt.event.ActionListener;
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9 | import java.time.Instant;
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10 | import java.time.ZoneId;
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11 | import java.time.ZonedDateTime;
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12 |
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13 | import javax.swing.JCheckBox;
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14 | import javax.swing.JPanel;
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15 | import javax.swing.Timer;
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16 | import javax.swing.event.ChangeListener;
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17 |
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18 | import org.openstreetmap.josm.gui.layer.GpxLayer;
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19 | import org.openstreetmap.josm.gui.widgets.DateEditorWithSlider;
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20 | import org.openstreetmap.josm.spi.preferences.Config;
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21 | import org.openstreetmap.josm.tools.GBC;
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22 | import org.openstreetmap.josm.tools.date.Interval;
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23 |
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24 | /**
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25 | * A panel that allows the user to input a date range he wants to filter the GPX data for.
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26 | */
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27 | public class DateFilterPanel extends JPanel {
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28 | private final DateEditorWithSlider dateFrom = new DateEditorWithSlider(tr("From"));
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29 | private final DateEditorWithSlider dateTo = new DateEditorWithSlider(tr("To"));
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30 | private final JCheckBox noTimestampCb = new JCheckBox(tr("No timestamp"));
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31 | private final transient GpxLayer layer;
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32 |
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33 | private transient ActionListener filterAppliedListener;
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34 |
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35 | private final String prefDate0;
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36 | private final String prefDateMin;
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37 | private final String prefDateMax;
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38 |
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39 | /**
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40 | * Create the panel to filter tracks on GPX layer {@code layer} by date
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41 | * Preferences will be stored in {@code preferencePrefix}
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42 | * If {@code enabled = true}, then the panel is created as active and filtering occurs immediately.
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43 | * @param layer GPX layer
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44 | * @param preferencePrefix preference prefix
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45 | * @param enabled panel initial enabled state
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46 | */
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47 | public DateFilterPanel(GpxLayer layer, String preferencePrefix, boolean enabled) {
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48 | super(new GridBagLayout());
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49 | prefDate0 = preferencePrefix+".showzerotimestamp";
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50 | prefDateMin = preferencePrefix+".mintime";
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51 | prefDateMax = preferencePrefix+".maxtime";
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52 | this.layer = layer;
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53 |
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54 | Interval interval = layer.data.getMinMaxTimeForAllTracks()
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55 | .orElseGet(() -> new Interval(ZonedDateTime.of(2000, 1, 1, 0, 0, 0, 0, ZoneId.systemDefault()).toInstant(), Instant.now()));
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56 | dateFrom.setDate(interval.getStart());
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57 | dateTo.setDate(interval.getEnd());
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58 | dateFrom.setRange(interval.getStart(), interval.getEnd());
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59 | dateTo.setRange(interval.getStart(), interval.getEnd());
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60 |
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61 | add(noTimestampCb, GBC.std().grid(1, 1).insets(0, 0, 5, 0));
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62 | add(dateFrom, GBC.std().grid(2, 1).fill(GBC.HORIZONTAL));
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63 | add(dateTo, GBC.eol().grid(3, 1).fill(GBC.HORIZONTAL));
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64 |
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65 | setEnabled(enabled);
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66 |
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67 | ChangeListener changeListener = e -> {
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68 | if (isEnabled()) applyFilterWithDelay();
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69 | };
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70 |
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71 | dateFrom.addDateListener(changeListener);
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72 | dateTo.addDateListener(changeListener);
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73 | noTimestampCb.addChangeListener(changeListener);
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74 | }
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75 |
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76 | private final Timer t = new Timer(200, e -> applyFilter());
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77 |
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78 | /**
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79 | * Do filtering but little bit later (to reduce cpu load)
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80 | */
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81 | public void applyFilterWithDelay() {
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82 | if (t.isRunning()) {
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83 | t.restart();
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84 | } else {
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85 | t.start();
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86 | }
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87 | }
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88 |
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89 | /**
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90 | * Applies the filter that was input by the user to the GPX track
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91 | */
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92 | public void applyFilter() {
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93 | t.stop();
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94 | filterTracksByDate();
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95 | if (filterAppliedListener != null)
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96 | filterAppliedListener.actionPerformed(null);
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97 | }
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98 |
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99 | /**
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100 | * Called by other components when it is correct time to save date filtering parameters
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101 | */
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102 | public void saveInPrefs() {
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103 | Config.getPref().putLong(prefDateMin, dateFrom.getDate().toEpochMilli());
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104 | Config.getPref().putLong(prefDateMax, dateTo.getDate().toEpochMilli());
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105 | Config.getPref().putBoolean(prefDate0, noTimestampCb.isSelected());
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106 | }
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107 |
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108 | /**
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109 | * If possible, load date range and "zero timestamp" option from preferences
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110 | * Called by other components when it is needed.
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111 | */
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112 | public void loadFromPrefs() {
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113 | long t1 = Config.getPref().getLong(prefDateMin, 0);
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114 | if (t1 != 0) dateFrom.setDate(Instant.ofEpochMilli(t1));
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115 | long t2 = Config.getPref().getLong(prefDateMax, 0);
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116 | if (t2 != 0) dateTo.setDate(Instant.ofEpochMilli(t2));
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117 | noTimestampCb.setSelected(Config.getPref().getBoolean(prefDate0, false));
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118 | }
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119 |
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120 | /**
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121 | * Sets a listener that should be called after the filter was applied
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122 | * @param filterAppliedListener The listener to call
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123 | */
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124 | public void setFilterAppliedListener(ActionListener filterAppliedListener) {
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125 | this.filterAppliedListener = filterAppliedListener;
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126 | }
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127 |
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128 | private void filterTracksByDate() {
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129 | Instant from = dateFrom.getDate();
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130 | Instant to = dateTo.getDate();
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131 | layer.filterTracksByDate(from, to, noTimestampCb.isSelected());
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132 | }
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133 |
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134 | @Override
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135 | public final void setEnabled(boolean enabled) {
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136 | super.setEnabled(enabled);
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137 | for (Component c: getComponents()) {
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138 | c.setEnabled(enabled);
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139 | }
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140 | }
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141 | }
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