1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.actions.relation;
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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.util.Collection;
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8 | import java.util.HashSet;
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9 | import java.util.Set;
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10 |
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11 | import org.openstreetmap.josm.Main;
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12 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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13 | import org.openstreetmap.josm.data.osm.Relation;
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14 | import org.openstreetmap.josm.data.osm.RelationMember;
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15 | import org.openstreetmap.josm.gui.dialogs.relation.RelationEditor;
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16 | import org.openstreetmap.josm.gui.layer.OsmDataLayer;
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17 | import org.openstreetmap.josm.tools.ImageProvider;
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18 |
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19 | /**
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20 | * The action for editing a relation
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21 | * @since 5793
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22 | */
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23 | public class EditRelationAction extends AbstractRelationAction {
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24 |
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25 | /**
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26 | * Constructs a new <code>EditRelationAction</code>.
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27 | */
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28 | public EditRelationAction() {
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29 | putValue(NAME, tr("Edit"));
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30 | putValue(SHORT_DESCRIPTION, tr("Call relation editor for selected relation"));
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31 | putValue(SMALL_ICON, ImageProvider.get("dialogs", "edit"));
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32 | }
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33 |
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34 | /**
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35 | * Returns the set of currently selected relation members for the given relation.
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36 | * @param r The relation to inspect
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37 | * @return The set of currently selected relation members for the given relation.
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38 | */
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39 | public static Set<RelationMember> getMembersForCurrentSelection(Relation r) {
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40 | Set<RelationMember> members = new HashSet<RelationMember>();
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41 | if (Main.map != null && Main.map.mapView != null) {
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42 | OsmDataLayer editLayer = Main.map.mapView.getEditLayer();
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43 | if (editLayer != null && editLayer.data != null) {
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44 | Collection<OsmPrimitive> selection = editLayer.data.getSelected();
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45 | for (RelationMember member: r.getMembers()) {
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46 | if (selection.contains(member.getMember())) {
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47 | members.add(member);
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48 | }
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49 | }
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50 | }
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51 | }
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52 | return members;
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53 | }
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54 |
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55 | /**
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56 | * Launches relation editor for the given relation.
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57 | * @param toEdit The relation to edit
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58 | */
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59 | public static void launchEditor(Relation toEdit) {
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60 | if (toEdit == null || Main.map==null || Main.map.mapView==null) return;
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61 | RelationEditor.getEditor(Main.map.mapView.getEditLayer(), toEdit,
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62 | getMembersForCurrentSelection(toEdit)).setVisible(true);
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63 | }
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64 |
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65 | public void actionPerformed(ActionEvent e) {
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66 | if (!isEnabled() || relations.size()!=1) return;
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67 | launchEditor(relations.iterator().next());
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68 | }
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69 |
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70 | @Override
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71 | protected void updateEnabledState() {
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72 | // only one selected relation can be edited
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73 | setEnabled( relations.size()==1 );
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74 | }
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75 | }
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