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.HashSet; 010import java.util.Set; 011 012import javax.swing.JOptionPane; 013 014import org.openstreetmap.josm.data.osm.IRelation; 015import org.openstreetmap.josm.data.osm.OsmPrimitive; 016import org.openstreetmap.josm.data.osm.OsmUtils; 017import org.openstreetmap.josm.data.osm.Relation; 018import org.openstreetmap.josm.data.osm.RelationMember; 019import org.openstreetmap.josm.gui.MainApplication; 020import org.openstreetmap.josm.gui.dialogs.relation.RelationEditor; 021import org.openstreetmap.josm.gui.layer.OsmDataLayer; 022import org.openstreetmap.josm.spi.preferences.Config; 023import org.openstreetmap.josm.tools.ImageProvider; 024import org.openstreetmap.josm.tools.SubclassFilteredCollection; 025import org.openstreetmap.josm.tools.Utils; 026 027/** 028 * The action for editing a relation. 029 * @since 5793 030 */ 031public class EditRelationAction extends AbstractRelationAction { 032 033 /** 034 * Constructs a new <code>EditRelationAction</code>. 035 */ 036 public EditRelationAction() { 037 putValue(NAME, tr("Edit")); 038 putValue(SHORT_DESCRIPTION, tr("Call relation editor for selected relation")); 039 new ImageProvider("dialogs", "edit").getResource().attachImageIcon(this, true); 040 } 041 042 /** 043 * Returns the set of currently selected relation members for the given relation. 044 * @param r The relation to inspect 045 * @return The set of currently selected relation members for the given relation. 046 */ 047 public static Set<RelationMember> getMembersForCurrentSelection(Relation r) { 048 Set<RelationMember> members = new HashSet<>(); 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 for (RelationMember member: r.getMembers()) { 054 if (selection.contains(member.getMember())) { 055 members.add(member); 056 } 057 } 058 } 059 } 060 return members; 061 } 062 063 /** 064 * Launches relation editor for the given relation. 065 * @param toEdit The relation to edit 066 */ 067 public static void launchEditor(Relation toEdit) { 068 if (toEdit == null || toEdit.isDeleted() || !MainApplication.isDisplayingMapView()) return; 069 RelationEditor.getEditor(MainApplication.getLayerManager().getEditLayer(), toEdit, 070 getMembersForCurrentSelection(toEdit)).setVisible(true); 071 } 072 073 @Override 074 public void actionPerformed(ActionEvent e) { 075 SubclassFilteredCollection<IRelation<?>, Relation> filteredRelations = Utils.filteredCollection(relations, Relation.class); 076 if (!isEnabled() || filteredRelations.isEmpty()) return; 077 if (filteredRelations.size() > Config.getPref().getInt("warn.open.maxrelations", 5) && 078 /* I18N english text for value 1 makes no real sense, never called for values <= maxrel (usually 5) */ 079 JOptionPane.OK_OPTION != JOptionPane.showConfirmDialog(MainApplication.getMainFrame(), 080 "<html>"+trn("You are about to open <b>{0}</b> different relation editor simultaneously.<br/>Do you want to continue?", 081 "You are about to open <b>{0}</b> different relation editors simultaneously.<br/>Do you want to continue?", 082 filteredRelations.size(), filteredRelations.size())+"</html>", 083 tr("Confirmation"), JOptionPane.OK_CANCEL_OPTION, JOptionPane.WARNING_MESSAGE)) { 084 return; 085 } 086 for (Relation r : filteredRelations) { 087 launchEditor(r); 088 } 089 } 090 091 @Override 092 protected void updateEnabledState() { 093 boolean enabled = false; 094 SubclassFilteredCollection<IRelation<?>, Relation> filteredRelations = Utils.filteredCollection(relations, Relation.class); 095 if (OsmUtils.isOsmCollectionEditable(filteredRelations)) { 096 for (Relation r : filteredRelations) { 097 if (!r.isDeleted()) { 098 enabled = true; 099 break; 100 } 101 } 102 } 103 setEnabled(enabled); 104 } 105}