001// License: GPL. For details, see LICENSE file. 002package org.openstreetmap.josm.gui.dialogs.relation.actions; 003 004import static org.openstreetmap.josm.tools.I18n.tr; 005 006import java.awt.event.ActionEvent; 007 008import javax.swing.JOptionPane; 009import javax.swing.RootPaneContainer; 010 011import org.openstreetmap.josm.data.osm.Relation; 012import org.openstreetmap.josm.gui.HelpAwareOptionPane; 013import org.openstreetmap.josm.gui.HelpAwareOptionPane.ButtonSpec; 014import org.openstreetmap.josm.gui.MainApplication; 015import org.openstreetmap.josm.spi.preferences.Config; 016import org.openstreetmap.josm.tools.ImageProvider; 017import org.openstreetmap.josm.tools.InputMapUtils; 018import org.openstreetmap.josm.tools.Utils; 019 020/** 021 * Cancel the updates and close the dialog 022 * @since 9496 023 */ 024public class CancelAction extends SavingAction { 025 private static final long serialVersionUID = 1L; 026 027 /** 028 * Constructs a new {@code CancelAction}. 029 * @param editorAccess An interface to access the relation editor contents. 030 */ 031 public CancelAction(IRelationEditorActionAccess editorAccess) { 032 super(editorAccess); 033 putValue(SHORT_DESCRIPTION, tr("Cancel the updates and close the dialog")); 034 new ImageProvider("cancel").getResource().attachImageIcon(this); 035 putValue(NAME, tr("Cancel")); 036 037 if (getEditor() instanceof RootPaneContainer) { 038 InputMapUtils.addEscapeAction(((RootPaneContainer) getEditor()).getRootPane(), this); 039 } 040 setEnabled(true); 041 } 042 043 @Override 044 public void actionPerformed(ActionEvent e) { 045 getMemberTable().stopHighlighting(); 046 Relation snapshot = getEditor().getRelationSnapshot(); 047 if ((!getMemberTableModel().hasSameMembersAs(snapshot) || getTagModel().isDirty()) 048 && !(snapshot == null && getTagModel().getTags().isEmpty())) { 049 //give the user a chance to save the changes 050 int ret = confirmClosingByCancel(); 051 if (ret == 0) { //Yes, save the changes 052 //copied from OKAction.run() 053 Config.getPref().put("relation.editor.generic.lastrole", Utils.strip(tfRole.getText())); 054 if (!applyChanges()) 055 return; 056 } else if (ret == 2 || ret == JOptionPane.CLOSED_OPTION) //Cancel, continue editing 057 return; 058 //in case of "No, discard", there is no extra action to be performed here. 059 } 060 hideEditor(); 061 } 062 063 protected int confirmClosingByCancel() { 064 ButtonSpec[] options = { 065 new ButtonSpec( 066 tr("Yes, save the changes and close"), 067 new ImageProvider("ok"), 068 tr("Click to save the changes and close this relation editor"), 069 null /* no specific help topic */ 070 ), 071 new ButtonSpec( 072 tr("No, discard the changes and close"), 073 new ImageProvider("undo"), 074 tr("Click to discard the changes and close this relation editor"), 075 null /* no specific help topic */ 076 ), 077 new ButtonSpec( 078 tr("Cancel, continue editing"), 079 new ImageProvider("cancel"), 080 tr("Click to return to the relation editor and to resume relation editing"), 081 null /* no specific help topic */ 082 ) 083 }; 084 085 return HelpAwareOptionPane.showOptionDialog( 086 MainApplication.getMainFrame(), 087 tr("<html>The relation has been changed.<br><br>Do you want to save your changes?</html>"), 088 tr("Unsaved changes"), 089 JOptionPane.WARNING_MESSAGE, 090 null, 091 options, 092 options[0], // OK is default, 093 "/Dialog/RelationEditor#DiscardChanges" 094 ); 095 } 096}