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.CheckParameterUtil.ensureParameterNotNull;
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6 | import static org.openstreetmap.josm.tools.I18n.tr;
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7 |
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8 | import java.awt.event.ActionEvent;
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9 | import java.awt.event.KeyEvent;
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10 | import java.util.Collection;
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11 | import java.util.Collections;
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12 |
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13 | import javax.swing.JOptionPane;
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14 |
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15 | import org.openstreetmap.josm.Main;
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16 | import org.openstreetmap.josm.data.osm.DataSet;
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17 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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18 | import org.openstreetmap.josm.data.osm.OsmPrimitiveType;
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19 | import org.openstreetmap.josm.data.osm.PrimitiveId;
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20 | import org.openstreetmap.josm.gui.ExceptionDialogUtil;
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21 | import org.openstreetmap.josm.gui.io.UpdatePrimitivesTask;
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22 | import org.openstreetmap.josm.gui.progress.NullProgressMonitor;
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23 | import org.openstreetmap.josm.io.MultiFetchServerObjectReader;
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24 | import org.openstreetmap.josm.tools.Shortcut;
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25 |
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26 | /**
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27 | * This action synchronizes a set of primitives with their state on the server.
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28 | *
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29 | */
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30 | public class UpdateSelectionAction extends JosmAction {
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31 |
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32 | /**
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33 | * handle an exception thrown because a primitive was deleted on the server
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34 | *
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35 | * @param id the primitive id
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36 | */
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37 | public void handlePrimitiveGoneException(long id, OsmPrimitiveType type) {
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38 | MultiFetchServerObjectReader reader = new MultiFetchServerObjectReader();
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39 | reader.append(getCurrentDataSet(),id, type);
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40 | try {
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41 | DataSet ds = reader.parseOsm(NullProgressMonitor.INSTANCE);
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42 | Main.map.mapView.getEditLayer().mergeFrom(ds);
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43 | } catch(Exception e) {
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44 | ExceptionDialogUtil.explainException(e);
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45 | }
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46 | }
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47 |
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48 | /**
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49 | * Updates the data for for the {@link OsmPrimitive}s in <code>selection</code>
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50 | * with the data currently kept on the server.
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51 | *
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52 | * @param selection a collection of {@link OsmPrimitive}s to update
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53 | *
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54 | */
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55 | public void updatePrimitives(final Collection<OsmPrimitive> selection) {
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56 | UpdatePrimitivesTask task = new UpdatePrimitivesTask(Main.main.getEditLayer(),selection);
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57 | Main.worker.submit(task);
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58 | }
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59 |
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60 | /**
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61 | * Updates the data for the {@link OsmPrimitive}s with id <code>id</code>
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62 | * with the data currently kept on the server.
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63 | *
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64 | * @param id the id of a primitive in the {@link DataSet} of the current edit layer. Must not be null.
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65 | * @throws IllegalArgumentException thrown if id is null
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66 | * @exception IllegalStateException thrown if there is no primitive with <code>id</code> in
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67 | * the current dataset
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68 | * @exception IllegalStateException thrown if there is no current dataset
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69 | *
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70 | */
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71 | public void updatePrimitive(PrimitiveId id) throws IllegalStateException, IllegalArgumentException{
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72 | ensureParameterNotNull(id, "id");
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73 | if (getEditLayer() == null)
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74 | throw new IllegalStateException(tr("No current dataset found"));
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75 | OsmPrimitive primitive = getEditLayer().data.getPrimitiveById(id);
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76 | if (primitive == null)
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77 | throw new IllegalStateException(tr("Did not find an object with id {0} in the current dataset", id));
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78 | updatePrimitives(Collections.singleton(primitive));
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79 | }
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80 |
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81 | /**
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82 | * constructor
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83 | */
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84 | public UpdateSelectionAction() {
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85 | super(tr("Update selection"),
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86 | "updateselection",
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87 | tr("Updates the currently selected objects from the server (re-downloads data)"),
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88 | Shortcut.registerShortcut("file:updateselection",
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89 | tr("File: {0}", tr("Update selection")), KeyEvent.VK_U,
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90 | Shortcut.ALT_CTRL),
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91 | true);
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92 | putValue("help", ht("/Action/UpdateSelection"));
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93 | }
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94 | public UpdateSelectionAction(String name, String iconName, String tooltip,
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95 | Shortcut shortcut, boolean register) {
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96 | super(name, iconName, tooltip, shortcut, register);
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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 | if (getCurrentDataSet() == null) {
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102 | setEnabled(false);
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103 | } else {
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104 | updateEnabledState(getCurrentDataSet().getAllSelected());
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105 | }
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106 | }
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107 |
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108 | @Override
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109 | protected void updateEnabledState(Collection<? extends OsmPrimitive> selection) {
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110 | setEnabled(selection != null && !selection.isEmpty());
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111 | }
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112 |
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113 | /**
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114 | * action handler
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115 | */
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116 | public void actionPerformed(ActionEvent e) {
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117 | if (! isEnabled())
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118 | return;
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119 | Collection<OsmPrimitive> toUpdate =getData();
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120 | if (toUpdate.size() == 0) {
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121 | JOptionPane.showMessageDialog(
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122 | Main.parent,
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123 | tr("There are no selected objects to update."),
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124 | tr("Selection empty"),
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125 | JOptionPane.INFORMATION_MESSAGE
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126 | );
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127 | return;
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128 | }
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129 | updatePrimitives(toUpdate);
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130 | }
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131 |
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132 | public Collection<OsmPrimitive> getData() {
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133 | return getCurrentDataSet().getAllSelected();
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134 | }
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135 | }
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