1 | // License: GPL. See LICENSE file for details.
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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.ActionEvent;
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9 | import java.awt.event.ActionListener;
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10 | import java.util.Date;
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11 | import java.util.GregorianCalendar;
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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.ChangeEvent;
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17 | import javax.swing.event.ChangeListener;
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18 |
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19 | import org.openstreetmap.josm.Main;
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20 | import org.openstreetmap.josm.gui.layer.GpxLayer;
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21 | import org.openstreetmap.josm.gui.widgets.DateEditorWithSlider;
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22 | import org.openstreetmap.josm.tools.GBC;
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23 |
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24 | public class DateFilterPanel extends JPanel {
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25 | private DateEditorWithSlider dateFrom = new DateEditorWithSlider(tr("From"));
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26 | private DateEditorWithSlider dateTo = new DateEditorWithSlider(tr("To"));
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27 | private JCheckBox noTimestampCb = new JCheckBox(tr("No timestamp"));
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28 | private GpxLayer layer;
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29 |
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30 | private ActionListener filterAppliedListener;
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31 |
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32 | private final String PREF_DATE_0;
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33 | private final String PREF_DATE_MIN;
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34 | private final String PREF_DATE_MAX;
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35 |
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36 | /**
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37 | * Create the panel to filter tracks on GPX layer @param layer by date
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38 | * Preferences will be stored in @param preferencePrefix
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39 | * If @param enabled = true, the the panel is created as active and filtering occurs immediately.
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40 | */
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41 | public DateFilterPanel(GpxLayer layer, String preferencePrefix, boolean enabled) {
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42 | super(new GridBagLayout());
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43 | PREF_DATE_0 = preferencePrefix+".showzerotimestamp";
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44 | PREF_DATE_MIN = preferencePrefix+".mintime";
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45 | PREF_DATE_MAX = preferencePrefix+".maxtime";
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46 | this.layer = layer;
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47 |
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48 | final Date startTime, endTime;
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49 | Date[] bounds = layer.data.getMinMaxTimeForAllTracks();
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50 | startTime = (bounds==null) ? new GregorianCalendar(2000, 1, 1).getTime():bounds[0];
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51 | endTime = (bounds==null) ? new Date() : bounds[1];
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52 |
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53 | dateFrom.setDate(startTime);
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54 | dateTo.setDate(endTime);
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55 | dateFrom.setRange(startTime, endTime);
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56 | dateTo.setRange(startTime, endTime);
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57 |
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58 | add(noTimestampCb, GBC.std().grid(1,1).insets(0, 0, 5, 0));
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59 | add(dateFrom, GBC.std().grid(2,1).fill(GBC.HORIZONTAL));
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60 | add(dateTo, GBC.eol().grid(3,1).fill(GBC.HORIZONTAL));
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61 |
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62 | setEnabled(enabled);
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63 |
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64 | dateFrom.addDateListener(changeListener);
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65 | dateTo.addDateListener(changeListener);
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66 | noTimestampCb.addChangeListener(changeListener);
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67 | }
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68 |
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69 | private ChangeListener changeListener = new ChangeListener() {
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70 | @Override public void stateChanged(ChangeEvent e) {
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71 | if (isEnabled()) applyFilterWithDelay();
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72 | }
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73 | };
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74 |
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75 | private Timer t = new Timer(200 , new ActionListener() {
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76 | @Override public void actionPerformed(ActionEvent e) {
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77 | applyFilter();
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78 | }
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79 | });
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80 |
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81 | /**
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82 | * Do filtering but little bit later (to reduce cpu load)
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83 | */
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84 | public void applyFilterWithDelay() {
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85 | if (t.isRunning()) {
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86 | t.restart();
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87 | } else {
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88 | t.start();
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89 | }
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90 | }
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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 | Main.pref.putLong(PREF_DATE_MIN, dateFrom.getDate().getTime());
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104 | Main.pref.putLong(PREF_DATE_MAX, dateTo.getDate().getTime());
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105 | Main.pref.put(PREF_DATE_0, 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 ragne 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 =Main.pref.getLong(PREF_DATE_MIN, 0);
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114 | if (t1!=0) dateFrom.setDate(new Date(t1));
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115 | long t2 =Main.pref.getLong(PREF_DATE_MAX, 0);
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116 | if (t2!=0) dateTo.setDate(new Date(t2));
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117 | noTimestampCb.setSelected(Main.pref.getBoolean(PREF_DATE_0, false));
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118 | }
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119 |
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120 | public void setFilterAppliedListener(ActionListener filterAppliedListener) {
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121 | this.filterAppliedListener = filterAppliedListener;
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122 | }
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123 |
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124 | private void filterTracksByDate() {
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125 | Date from = dateFrom.getDate();
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126 | Date to = dateTo.getDate();
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127 | layer.filterTracksByDate(from, to, noTimestampCb.isSelected());
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128 | }
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129 |
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130 | @Override
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131 | public final void setEnabled(boolean enabled) {
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132 | super.setEnabled(enabled);
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133 | for (Component c: getComponents()) {
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134 | c.setEnabled(enabled);
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135 | }
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136 | }
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137 | }
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