/*
* Copyright 2017 Laszlo Balazs-Csiki
*
* This file is part of Pixelitor. Pixelitor is free software: you
* can redistribute it and/or modify it under the terms of the GNU
* General Public License, version 3 as published by the Free
* Software Foundation.
*
* Pixelitor is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Pixelitor. If not, see <http://www.gnu.org/licenses/>.
*/
package pixelitor.layers;
import pixelitor.Composition;
import pixelitor.gui.ImageComponent;
import pixelitor.gui.ImageComponents;
import pixelitor.utils.IconUtils;
import pixelitor.utils.ImageSwitchListener;
import javax.swing.*;
import java.awt.event.ActionEvent;
/**
* An Action that duplicates a layer
*/
public class DuplicateLayerAction extends AbstractAction implements ImageSwitchListener {
public static final DuplicateLayerAction INSTANCE = new DuplicateLayerAction();
private DuplicateLayerAction() {
super("Duplicate Layer", IconUtils.loadIcon("duplicate_layer.png"));
putValue(SHORT_DESCRIPTION, "Duplicates the active layer.");
setEnabled(false);
ImageComponents.addImageSwitchListener(this);
}
@Override
public void actionPerformed(ActionEvent e) {
Composition comp = ImageComponents.getActiveCompOrNull();
comp.duplicateActiveLayer();
}
@Override
public void noOpenImageAnymore() {
setEnabled(false);
}
@Override
public void newImageOpened(Composition comp) {
setEnabled(true);
}
@Override
public void activeImageHasChanged(ImageComponent oldIC, ImageComponent newIC) {
setEnabled(true);
}
}