CopySingleAction.java example

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/*
 *  Freeplane - mind map editor
 *  Copyright (C) 2008 Joerg Mueller, Daniel Polansky, Christian Foltin, Dimitry Polivaev
 *
 *  This file is modified by Dimitry Polivaev in 2008.
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.freeplane.features.clipboard;

import java.awt.datatransfer.Transferable;
import java.awt.event.ActionEvent;
import java.util.Collection;
import org.freeplane.core.ui.AFreeplaneAction;
import org.freeplane.features.map.NodeModel;
import org.freeplane.features.mode.Controller;
import org.freeplane.features.mode.ModeController;

class CopySingleAction extends AFreeplaneAction {
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;

	public CopySingleAction() {
		super("CopySingleAction");
	}

	public void actionPerformed(final ActionEvent e) {
		final Controller controller = Controller.getCurrentController();
		final Collection<NodeModel> selection = controller.getSelection().getSelection();
		final ModeController modeController = Controller.getCurrentModeController();
		final Transferable copy = ((ClipboardController) modeController.getExtension(ClipboardController.class))
		    .copySingle(selection);
		if (copy != null) {
			((ClipboardController) modeController.getExtension(ClipboardController.class)).setClipboardContents(copy);
		}
	}
}