001// License: GPL. For details, see LICENSE file. 002package org.openstreetmap.josm.actions.relation; 003 004import static org.openstreetmap.josm.tools.I18n.tr; 005import static org.openstreetmap.josm.tools.I18n.trn; 006 007import java.awt.event.ActionEvent; 008import java.util.Collection; 009import java.util.Collections; 010import java.util.Set; 011import java.util.stream.Collectors; 012 013import javax.swing.JOptionPane; 014 015import org.openstreetmap.josm.data.osm.IRelation; 016import org.openstreetmap.josm.data.osm.OsmPrimitive; 017import org.openstreetmap.josm.data.osm.OsmUtils; 018import org.openstreetmap.josm.data.osm.Relation; 019import org.openstreetmap.josm.data.osm.RelationMember; 020import org.openstreetmap.josm.gui.MainApplication; 021import org.openstreetmap.josm.gui.dialogs.relation.RelationEditor; 022import org.openstreetmap.josm.gui.layer.OsmDataLayer; 023import org.openstreetmap.josm.spi.preferences.Config; 024import org.openstreetmap.josm.tools.ImageProvider; 025import org.openstreetmap.josm.tools.SubclassFilteredCollection; 026import org.openstreetmap.josm.tools.Utils; 027 028/** 029 * The action for editing a relation. 030 * @since 5793 031 */ 032public class EditRelationAction extends AbstractRelationAction { 033 034 /** 035 * Constructs a new <code>EditRelationAction</code>. 036 */ 037 public EditRelationAction() { 038 putValue(NAME, tr("Edit")); 039 putValue(SHORT_DESCRIPTION, tr("Call relation editor for selected relation")); 040 new ImageProvider("dialogs", "edit").getResource().attachImageIcon(this, true); 041 } 042 043 /** 044 * Returns the set of currently selected relation members for the given relation. 045 * @param r The relation to inspect 046 * @return The set of currently selected relation members for the given relation. 047 */ 048 public static Set<RelationMember> getMembersForCurrentSelection(Relation r) { 049 if (MainApplication.isDisplayingMapView()) { 050 OsmDataLayer editLayer = MainApplication.getLayerManager().getEditLayer(); 051 if (editLayer != null && editLayer.data != null) { 052 Collection<OsmPrimitive> selection = editLayer.data.getSelected(); 053 return r.getMembers().stream().filter(m -> selection.contains(m.getMember())).collect(Collectors.toSet()); 054 } 055 } 056 return Collections.emptySet(); 057 } 058 059 /** 060 * Launches relation editor for the given relation. 061 * @param toEdit The relation to edit 062 */ 063 public static void launchEditor(Relation toEdit) { 064 if (toEdit == null || toEdit.isDeleted() || !MainApplication.isDisplayingMapView()) return; 065 RelationEditor.getEditor(MainApplication.getLayerManager().getEditLayer(), toEdit, 066 getMembersForCurrentSelection(toEdit)).setVisible(true); 067 } 068 069 @Override 070 public void actionPerformed(ActionEvent e) { 071 SubclassFilteredCollection<IRelation<?>, Relation> filteredRelations = Utils.filteredCollection(relations, Relation.class); 072 if (!isEnabled() || filteredRelations.isEmpty()) return; 073 if (filteredRelations.size() > Config.getPref().getInt("warn.open.maxrelations", 5) && 074 /* I18N english text for value 1 makes no real sense, never called for values <= maxrel (usually 5) */ 075 JOptionPane.OK_OPTION != JOptionPane.showConfirmDialog(MainApplication.getMainFrame(), 076 "<html>"+trn("You are about to open <b>{0}</b> different relation editor simultaneously.<br/>Do you want to continue?", 077 "You are about to open <b>{0}</b> different relation editors simultaneously.<br/>Do you want to continue?", 078 filteredRelations.size(), filteredRelations.size())+"</html>", 079 tr("Confirmation"), JOptionPane.OK_CANCEL_OPTION, JOptionPane.WARNING_MESSAGE)) { 080 return; 081 } 082 for (Relation r : filteredRelations) { 083 launchEditor(r); 084 } 085 } 086 087 @Override 088 protected void updateEnabledState() { 089 boolean enabled = false; 090 SubclassFilteredCollection<IRelation<?>, Relation> filteredRelations = Utils.filteredCollection(relations, Relation.class); 091 if (OsmUtils.isOsmCollectionEditable(filteredRelations)) { 092 for (Relation r : filteredRelations) { 093 if (!r.isDeleted()) { 094 enabled = true; 095 break; 096 } 097 } 098 } 099 setEnabled(enabled); 100 } 101}