1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.actions;
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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.GridBagLayout;
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8 | import java.awt.event.KeyEvent;
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9 | import java.beans.PropertyChangeListener;
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10 | import java.io.File;
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11 |
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12 | import javax.swing.JCheckBox;
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13 | import javax.swing.JLabel;
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14 | import javax.swing.JPanel;
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15 | import javax.swing.SwingConstants;
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16 |
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17 | import org.openstreetmap.josm.data.gpx.GpxData.GpxDataChangeListener;
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18 | import org.openstreetmap.josm.gui.ExtendedDialog;
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19 | import org.openstreetmap.josm.gui.MainApplication;
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20 | import org.openstreetmap.josm.gui.layer.GpxLayer;
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21 | import org.openstreetmap.josm.gui.layer.Layer;
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22 | import org.openstreetmap.josm.gui.layer.LayerManager.LayerAddEvent;
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23 | import org.openstreetmap.josm.gui.layer.LayerManager.LayerRemoveEvent;
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24 | import org.openstreetmap.josm.gui.layer.OsmDataLayer;
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25 | import org.openstreetmap.josm.gui.layer.SaveToFile;
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26 | import org.openstreetmap.josm.gui.util.GuiHelper;
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27 | import org.openstreetmap.josm.spi.preferences.Config;
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28 | import org.openstreetmap.josm.tools.GBC;
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29 | import org.openstreetmap.josm.tools.Shortcut;
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30 |
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31 | /**
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32 | * Export the data as an OSM xml file.
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33 | *
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34 | * @author imi
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35 | */
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36 | public final class SaveAction extends SaveActionBase {
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37 | private static SaveAction instance = new SaveAction();
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38 |
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39 | private final PropertyChangeListener updateOnRequireSaveChange = evt -> {
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40 | if (OsmDataLayer.REQUIRES_SAVE_TO_DISK_PROP.equals(evt.getPropertyName())) {
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41 | updateEnabledState();
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42 | }
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43 | };
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44 |
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45 | private final GpxDataChangeListener updateOnRequireSaveChangeGpx = evt -> updateEnabledState();
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46 |
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47 | /**
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48 | * Construct the action with "Save" as label.
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49 | */
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50 | private SaveAction() {
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51 | super(tr("Save"), "save", tr("Save the current data."),
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52 | Shortcut.registerShortcut("system:save", tr("File: {0}", tr("Save")), KeyEvent.VK_S, Shortcut.CTRL),
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53 | true);
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54 | setHelpId(ht("/Action/Save"));
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55 | }
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56 |
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57 | /**
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58 | * Returns the unique instance.
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59 | * @return the unique instance
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60 | */
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61 | public static SaveAction getInstance() {
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62 | return instance;
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63 | }
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64 |
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65 | @Override
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66 | protected LayerChangeAdapter buildLayerChangeAdapter() {
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67 | return new LayerChangeAdapter() {
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68 | @Override
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69 | public void layerAdded(LayerAddEvent e) {
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70 | Layer l = e.getAddedLayer();
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71 | if (l instanceof OsmDataLayer) {
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72 | l.addPropertyChangeListener(updateOnRequireSaveChange);
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73 | }
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74 | if (l instanceof GpxLayer) {
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75 | ((GpxLayer) l).data.addWeakChangeListener(updateOnRequireSaveChangeGpx);
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76 | }
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77 | super.layerAdded(e);
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78 | }
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79 |
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80 | @Override
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81 | public void layerRemoving(LayerRemoveEvent e) {
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82 | Layer l = e.getRemovedLayer();
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83 | if (l instanceof OsmDataLayer) {
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84 | l.removePropertyChangeListener(updateOnRequireSaveChange);
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85 | }
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86 | if (l instanceof GpxLayer) {
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87 | ((GpxLayer) l).data.removeChangeListener(updateOnRequireSaveChangeGpx);
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88 | }
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89 | super.layerRemoving(e);
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90 | }
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91 | };
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92 | }
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93 |
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94 | @Override
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95 | protected boolean listenToSelectionChange() {
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96 | return false;
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97 | }
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98 |
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99 | @Override
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100 | protected void updateEnabledState() {
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101 | Layer activeLayer = getLayerManager().getActiveLayer();
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102 | boolean en = activeLayer != null
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103 | && activeLayer.isSavable() && !(activeLayer.getAssociatedFile() != null
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104 | && activeLayer instanceof SaveToFile && !((SaveToFile) activeLayer).requiresSaveToFile());
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105 | GuiHelper.runInEDT(() -> setEnabled(en));
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106 | }
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107 |
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108 | @Override
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109 | public File getFile(Layer layer) {
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110 | File f = layer.getAssociatedFile();
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111 | if (f != null && !f.exists()) {
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112 | f = null;
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113 | }
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114 |
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115 | // Ask for overwrite in case of GpxLayer
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116 | if (f != null && layer instanceof GpxLayer && !Config.getPref().getBoolean("gpx.export.overwrite", false)) {
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117 | JPanel p = new JPanel(new GridBagLayout());
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118 | JLabel label = new JLabel(tr("File {0} exists. Overwrite?", f.getName()));
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119 | label.setHorizontalAlignment(SwingConstants.CENTER);
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120 | JCheckBox remember = new JCheckBox(tr("Remember choice"));
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121 | remember.setHorizontalAlignment(SwingConstants.CENTER);
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122 | p.add(label, GBC.eol().fill(GBC.HORIZONTAL).insets(5, 5, 5, 10));
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123 | p.add(remember, GBC.eop().fill(GBC.HORIZONTAL));
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124 | ExtendedDialog dialog = new ExtendedDialog(
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125 | MainApplication.getMainFrame(),
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126 | tr("Overwrite"),
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127 | tr("Overwrite"), tr("Cancel"))
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128 | .setButtonIcons("save_as", "cancel")
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129 | .setContent(p);
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130 | if (dialog.showDialog().getValue() != 1) {
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131 | f = null;
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132 | } else if (remember.isSelected()) {
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133 | Config.getPref().putBoolean("gpx.export.overwrite", true);
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134 | }
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135 | }
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136 | return f == null ? layer.createAndOpenSaveFileChooser() : f;
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137 | }
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138 | }
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