/*
 * The Unified Mapping Platform (JUMP) is an extensible, interactive GUI
 * for visualizing and manipulating spatial features with geometry and attributes.
 *
 * Copyright (C) 2003 Vivid Solutions
 *
 * 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * For more information, contact:
 *
 * Vivid Solutions
 * Suite #1A
 * 2328 Government Street
 * Victoria BC  V8T 5G5
 * Canada
 *
 * (250)385-6040
 * www.vividsolutions.com
 */
package org.openjump.core.ui.plugin.layer.pirolraster;

import java.awt.Toolkit;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;

import org.openjump.core.rasterimage.RasterImageLayer;

import com.vividsolutions.jump.I18N;
import com.vividsolutions.jump.workbench.WorkbenchContext;
import com.vividsolutions.jump.workbench.model.Layer;
import com.vividsolutions.jump.workbench.model.Layerable;
import com.vividsolutions.jump.workbench.model.WMSLayer;
import com.vividsolutions.jump.workbench.plugin.EnableCheckFactory;
import com.vividsolutions.jump.workbench.plugin.MultiEnableCheck;
import com.vividsolutions.jump.workbench.plugin.PlugInContext;
import com.vividsolutions.jump.workbench.ui.plugin.clipboard.CollectionOfLayerablesTransferable;
import com.vividsolutions.jump.workbench.ui.plugin.clipboard.DummyClipboardOwner;


public class CopySelectedRasterImageLayersPlugIn extends LayerableClipboardPlugIn {
    
    //Note: Need to copy the data twice: once when the user hits Copy, so she is
    //free to modify the original afterwards, and again when the user hits Paste,
    //so she is free to modify the first copy then hit Paste again. [Jon Aquino]
    public CopySelectedRasterImageLayersPlugIn() {
    }

    
    /**
     * @inheritDoc
     */
    public String getName() {
        return I18N.get("org.openjump.core.ui.plugin.layer.pirolraster.CopySelectedRasterImageLayersPlugIn.Copy-Selected-Raster-Image-Layers");
    }

    public boolean execute(PlugInContext context) throws Exception {
        reportNothingToUndoYet(context);
        Toolkit.getDefaultToolkit().getSystemClipboard().setContents(new CollectionOfLayerablesTransferable(
                clone((context.getLayerNamePanel()).selectedNodes(
                        Layerable.class))), new DummyClipboardOwner());

        return true;
    }

    private Collection clone(Collection layerables) {
        ArrayList clones = new ArrayList();

        for (Iterator i = layerables.iterator(); i.hasNext();) {
            Layerable layerable = (Layerable) i.next();

            if (!(layerable instanceof Layer || layerable instanceof WMSLayer || layerable instanceof RasterImageLayer)) {
                continue;
            }

            clones.add(cloneLayerable(layerable));
        }

        return clones;
    }

    public MultiEnableCheck createEnableCheck(WorkbenchContext workbenchContext) {
        EnableCheckFactory checkFactory = new EnableCheckFactory(workbenchContext);

        return new MultiEnableCheck().add(checkFactory.createWindowWithLayerNamePanelMustBeActiveCheck())
                                     .add(checkFactory.createAtLeastNLayerablesMustBeSelectedCheck(
                1, Layerable.class));
    }
}