001// License: GPL. For details, see LICENSE file. 002package org.openstreetmap.josm.actions; 003 004import static org.openstreetmap.josm.gui.help.HelpUtil.ht; 005import static org.openstreetmap.josm.tools.I18n.tr; 006 007import java.awt.event.ActionEvent; 008import java.awt.event.KeyEvent; 009 010import org.openstreetmap.josm.tools.Shortcut; 011 012/** 013 * User action to clear the current selection. 014 */ 015public class UnselectAllAction extends JosmAction { 016 017 /** 018 * Constructs a new {@code UnselectAllAction}. 019 */ 020 public UnselectAllAction() { 021 super(tr("Unselect All"), "unselectall", tr("Unselect all objects."), 022 Shortcut.registerShortcut("edit:unselectall", tr("Selection: {0}", 023 tr("Unselect All")), KeyEvent.VK_ESCAPE, Shortcut.DIRECT), true); 024 025 setHelpId(ht("/Action/UnselectAll")); 026 } 027 028 @Override 029 public void actionPerformed(ActionEvent e) { 030 if (!isEnabled()) 031 return; 032 getLayerManager().getActiveData().setSelected(); 033 } 034 035 @Override 036 protected boolean listenToSelectionChange() { 037 return false; 038 } 039 040 /** 041 * Refreshes the enabled state 042 */ 043 @Override 044 protected void updateEnabledState() { 045 setEnabled(getLayerManager().getActiveData() != null); 046 } 047}