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 | DataSet ds = editor.getRelation().getDataSet(); |
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58 | return !Main.isOffline(OnlineResource.OSM_API) |
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59 | && ds != null && !ds.isLocked() && !DownloadPolicy.BLOCKED.equals(ds.getDownloadPolicy()); |
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60 | } |
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61 | } |
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