1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui.dialogs.relation.actions;
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3 |
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4 | import javax.swing.AbstractAction;
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5 | import javax.swing.event.ListSelectionEvent;
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6 | import javax.swing.event.ListSelectionListener;
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7 | import javax.swing.event.TableModelEvent;
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8 | import javax.swing.event.TableModelListener;
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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.DataSet.DownloadPolicy;
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13 | import org.openstreetmap.josm.gui.dialogs.relation.IRelationEditor;
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14 | import org.openstreetmap.josm.gui.dialogs.relation.MemberTable;
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15 | import org.openstreetmap.josm.gui.dialogs.relation.MemberTableModel;
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16 | import org.openstreetmap.josm.gui.layer.OsmDataLayer;
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17 | import org.openstreetmap.josm.io.OnlineResource;
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18 |
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19 | /**
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20 | * Abstract superclass of relation editor actions.
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21 | * @since 9496
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22 | */
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23 | public abstract class AbstractRelationEditorAction extends AbstractAction implements TableModelListener, ListSelectionListener {
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24 | protected final MemberTable memberTable;
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25 | protected final MemberTableModel memberTableModel;
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26 | protected final transient OsmDataLayer layer;
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27 | protected final transient IRelationEditor editor;
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28 |
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29 | protected AbstractRelationEditorAction(MemberTable memberTable, MemberTableModel memberTableModel, String actionMapKey) {
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30 | this(memberTable, memberTableModel, actionMapKey, null, null);
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31 | }
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32 |
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33 | protected AbstractRelationEditorAction(MemberTable memberTable, MemberTableModel memberTableModel, String actionMapKey,
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34 | OsmDataLayer layer, IRelationEditor editor) {
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35 | this.memberTable = memberTable;
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36 | this.memberTableModel = memberTableModel;
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37 | this.layer = layer;
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38 | this.editor = editor;
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39 | if (actionMapKey != null) {
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40 | this.memberTable.getActionMap().put(actionMapKey, this);
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41 | }
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42 | }
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43 |
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44 | @Override
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45 | public void tableChanged(TableModelEvent e) {
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46 | updateEnabledState();
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47 | }
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48 |
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49 | @Override
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50 | public void valueChanged(ListSelectionEvent e) {
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51 | updateEnabledState();
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52 | }
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53 |
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54 | protected abstract void updateEnabledState();
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55 |
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56 | protected final boolean canDownload() {
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57 | if (editor.getRelation() == null)
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58 | return false;
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59 | DataSet ds = editor.getRelation().getDataSet();
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60 | return !Main.isOffline(OnlineResource.OSM_API)
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61 | && ds != null && !ds.isLocked() && !DownloadPolicy.BLOCKED.equals(ds.getDownloadPolicy());
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62 | }
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63 | }
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