// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.actions;
import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
import static org.openstreetmap.josm.tools.I18n.tr;
import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;
import java.util.Collections;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.gui.io.SaveLayersDialog;
import org.openstreetmap.josm.gui.layer.Layer;
import org.openstreetmap.josm.tools.Shortcut;
/**
* Deletes the active layer.
*/
public final class DeleteLayerAction extends JosmAction {
/**
* Constructs a {@link DeleteLayerAction} which will delete the active layer.
*/
public DeleteLayerAction() {
super(tr("Delete Layer"), "dialogs/delete", tr("Delete the active layer. Does not delete the associated file."),
Shortcut.registerShortcut("system:deletelayer", tr("File: {0}", tr("Delete Layer")), KeyEvent.VK_F4, Shortcut.CTRL),
true, "delete-layer", true);
putValue("help", ht("/Action/DeleteLayer"));
}
@Override
public void actionPerformed(ActionEvent e) {
Layer activeLayer = Main.getLayerManager().getActiveLayer();
if (activeLayer == null) {
return;
}
if (!SaveLayersDialog.saveUnsavedModifications(Collections.singletonList(activeLayer), SaveLayersDialog.Reason.DELETE)) {
return;
}
Main.getLayerManager().removeLayer(activeLayer);
}
@Override
protected void updateEnabledState() {
setEnabled(Main.getLayerManager().getActiveLayer() != null);
}
}