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.tools.I18n.tr;
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5 |
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6 | import java.awt.event.ActionEvent;
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7 | import java.awt.event.KeyEvent;
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8 | import java.util.List;
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9 |
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10 | import org.openstreetmap.josm.Main;
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11 | import org.openstreetmap.josm.data.osm.DataSet;
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12 | import org.openstreetmap.josm.data.osm.visitor.MergeSourceBuildingVisitor;
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13 | import org.openstreetmap.josm.gui.dialogs.LayerListDialog;
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14 | import org.openstreetmap.josm.gui.layer.Layer;
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15 | import org.openstreetmap.josm.gui.layer.OsmDataLayer;
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16 | import org.openstreetmap.josm.tools.Shortcut;
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17 |
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18 | public class MergeSelectionAction extends AbstractMergeAction {
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19 | public MergeSelectionAction() {
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20 | super(tr("Merge selection"), "dialogs/mergedown", tr("Merge the currently selected primitives into another layer"), Shortcut
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21 | .registerShortcut("system:mergeselection", tr("Edit: {0}", tr("Merge selection")), KeyEvent.VK_M, Shortcut.GROUP_MENU, Shortcut.SHIFT_DEFAULT),
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22 | true /* register */
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23 | );
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24 | }
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25 |
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26 | public void mergeSelected(DataSet source) {
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27 | List<Layer> targetLayers = LayerListDialog.getInstance().getModel().getPossibleMergeTargets(getEditLayer());
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28 | if (targetLayers.isEmpty()) {
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29 | warnNoTargetLayersForSourceLayer(getEditLayer());
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30 | return;
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31 | }
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32 | Layer targetLayer = askTargetLayer(targetLayers);
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33 | if (targetLayer == null)
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34 | return;
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35 | MergeSourceBuildingVisitor builder = new MergeSourceBuildingVisitor(getEditLayer().data);
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36 | ((OsmDataLayer)targetLayer).mergeFrom(builder.build());
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37 | }
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38 |
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39 |
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40 | public void actionPerformed(ActionEvent e) {
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41 | if (getEditLayer() == null || getEditLayer().data.getSelected().isEmpty())
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42 | return;
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43 | mergeSelected(getEditLayer().data);
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44 | }
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45 |
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46 | @Override
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47 | protected void updateEnabledState() {
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48 | if (getEditLayer() == null) {
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49 | setEnabled(false);
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50 | return;
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51 | }
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52 | setEnabled(!getEditLayer().data.getSelected().isEmpty());
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53 | }
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54 |
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55 |
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56 |
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57 | }
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