| 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 | import static org.openstreetmap.josm.tools.I18n.trn;
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| 6 |
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| 7 | import java.awt.event.ActionEvent;
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| 8 | import java.util.Collection;
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| 9 | import java.util.HashSet;
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| 10 | import java.util.Set;
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| 11 |
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| 12 | import javax.swing.JOptionPane;
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| 13 |
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| 14 | import org.openstreetmap.josm.Main;
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| 15 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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| 16 | import org.openstreetmap.josm.data.osm.Relation;
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| 17 | import org.openstreetmap.josm.data.osm.RelationMember;
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| 18 | import org.openstreetmap.josm.gui.MainApplication;
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| 19 | import org.openstreetmap.josm.gui.dialogs.relation.RelationEditor;
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| 20 | import org.openstreetmap.josm.gui.layer.OsmDataLayer;
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| 21 | import org.openstreetmap.josm.tools.ImageProvider;
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| 22 |
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| 23 | /**
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| 24 | * The action for editing a relation.
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| 25 | * @since 5793
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| 26 | */
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| 27 | public class EditRelationAction extends AbstractRelationAction {
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| 28 |
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| 29 | /**
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| 30 | * Constructs a new <code>EditRelationAction</code>.
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| 31 | */
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| 32 | public EditRelationAction() {
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| 33 | putValue(NAME, tr("Edit"));
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| 34 | putValue(SHORT_DESCRIPTION, tr("Call relation editor for selected relation"));
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| 35 | new ImageProvider("dialogs", "edit").getResource().attachImageIcon(this, true);
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| 36 | }
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| 37 |
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| 38 | /**
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| 39 | * Returns the set of currently selected relation members for the given relation.
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| 40 | * @param r The relation to inspect
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| 41 | * @return The set of currently selected relation members for the given relation.
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| 42 | */
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| 43 | public static Set<RelationMember> getMembersForCurrentSelection(Relation r) {
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| 44 | Set<RelationMember> members = new HashSet<>();
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| 45 | if (MainApplication.isDisplayingMapView()) {
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| 46 | OsmDataLayer editLayer = MainApplication.getLayerManager().getEditLayer();
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| 47 | if (editLayer != null && editLayer.data != null) {
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| 48 | Collection<OsmPrimitive> selection = editLayer.data.getSelected();
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| 49 | for (RelationMember member: r.getMembers()) {
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| 50 | if (selection.contains(member.getMember())) {
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| 51 | members.add(member);
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| 52 | }
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| 53 | }
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| 54 | }
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| 55 | }
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| 56 | return members;
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| 57 | }
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| 58 |
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| 59 | /**
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| 60 | * Launches relation editor for the given relation.
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| 61 | * @param toEdit The relation to edit
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| 62 | */
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| 63 | public static void launchEditor(Relation toEdit) {
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| 64 | if (toEdit == null || toEdit.isDeleted() || !MainApplication.isDisplayingMapView()) return;
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| 65 | RelationEditor.getEditor(MainApplication.getLayerManager().getEditLayer(), toEdit,
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| 66 | getMembersForCurrentSelection(toEdit)).setVisible(true);
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| 67 | }
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| 68 |
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| 69 | @Override
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| 70 | public void actionPerformed(ActionEvent e) {
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| 71 | if (!isEnabled() || relations.isEmpty()) return;
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| 72 | if (relations.size() > Main.pref.getInt("warn.open.maxrelations", 5) &&
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| 73 | /* I18N english text for value 1 makes no real sense, never called for values <= maxrel (usually 5) */
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| 74 | JOptionPane.OK_OPTION != JOptionPane.showConfirmDialog(Main.parent,
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| 75 | "<html>"+trn("You are about to open <b>{0}</b> different relation editor simultaneously.<br/>Do you want to continue?",
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| 76 | "You are about to open <b>{0}</b> different relation editors simultaneously.<br/>Do you want to continue?",
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| 77 | relations.size(), relations.size())+"</html>",
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| 78 | tr("Confirmation"), JOptionPane.OK_CANCEL_OPTION, JOptionPane.WARNING_MESSAGE)) {
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| 79 | return;
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| 80 | }
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| 81 | for (Relation r : relations) {
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| 82 | launchEditor(r);
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| 83 | }
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| 84 | }
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| 85 |
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| 86 | @Override
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| 87 | protected void updateEnabledState() {
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| 88 | boolean enabled = false;
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| 89 | for (Relation r : relations) {
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| 90 | if (!r.isDeleted()) {
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| 91 | enabled = true;
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| 92 | break;
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| 93 | }
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| 94 | }
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| 95 | setEnabled(enabled);
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| 96 | }
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| 97 | }
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