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.event.KeyEvent;
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8 | import java.util.Collection;
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9 | import java.util.Collections;
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10 |
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11 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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12 | import org.openstreetmap.josm.tools.Shortcut;
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13 |
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14 | /**
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15 | * This action synchronizes a set of primitives with their state on the server.
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16 | *
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17 | */
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18 | public class UpdateModifiedAction extends UpdateSelectionAction {
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19 |
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20 | /**
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21 | * constructor
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22 | */
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23 | public UpdateModifiedAction() {
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24 | super(tr("Update modified"),
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25 | "updatemodified",
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26 | tr("Updates the currently modified objects from the server (re-downloads data)"),
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27 | Shortcut.registerShortcut("file:updatemodified",
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28 | tr("File: {0}", tr("Update modified")), KeyEvent.VK_M,
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29 | Shortcut.ALT_CTRL),
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30 | true);
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31 | putValue("help", ht("/Action/UpdateModified"));
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32 | }
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33 |
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34 | // FIXME: overrides the behaviour of UpdateSelectionAction. Doesn't update
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35 | // the enabled state based on the current selection because
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36 | // it doesn't depend on it.
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37 | // The action should be enabled/disabled based on whether there is a least
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38 | // one modified object in the current dataset. Unfortunately, there is no
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39 | // efficient way to find out here. getDataSet().allModifiedPrimitives() is
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40 | // too heavy weight because it loops over the whole dataset.
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41 | // Perhaps this action should be a DataSetListener? Or it could listen to the
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42 | // REQUIRES_SAVE_TO_DISK_PROP and REQUIRES_UPLOAD_TO_SERVER_PROP properties
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43 | // in the OsmLayer?
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44 | //
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45 | @Override
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46 | protected void updateEnabledState() {
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47 | setEnabled(getCurrentDataSet() != null);
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48 | }
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49 |
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50 | @Override
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51 | protected void updateEnabledState(Collection<? extends OsmPrimitive> selection) {
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52 | }
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53 |
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54 | @Override
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55 | public Collection<OsmPrimitive> getData() {
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56 | if (getCurrentDataSet() == null) return Collections.emptyList();
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57 | return getCurrentDataSet().allModifiedPrimitives();
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58 | }
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59 | }
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