/*
 * 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 org.openjump.core.rasterimage.RasterImageLayer;

import com.vividsolutions.jump.I18N;
import com.vividsolutions.jump.workbench.WorkbenchContext;
import com.vividsolutions.jump.workbench.model.Layerable;
import com.vividsolutions.jump.workbench.plugin.AbstractPlugIn;
import com.vividsolutions.jump.workbench.plugin.EnableCheckFactory;
import com.vividsolutions.jump.workbench.plugin.MultiEnableCheck;
import com.vividsolutions.jump.workbench.plugin.PlugInContext;

public class RemoveSelectedRasterImageLayersPlugIn extends AbstractPlugIn {
    
    public RemoveSelectedRasterImageLayersPlugIn() {
        //super(new PersonalLogger(DebugUserIds.OLE));
    }

    /**
     * @inheritDoc
     */
    public String getName() {
        return I18N.get("org.openjump.core.ui.plugin.layer.pirolraster.RemoveSelectedRasterImageLayersPlugIn.Remove-Selected-Raster-Image-Layers");
    }
    
    public boolean execute(PlugInContext context) throws Exception {
        remove((Layerable[]) (context.getLayerNamePanel()).selectedNodes(
                Layerable.class).toArray(new Layerable[] {  }));

        return true;
    }

    public void remove(Layerable[] selectedLayers) {
        for (int i = 0; i < selectedLayers.length; i++) {
            // SIGLE start [obedel]
            // dispose layer immediately
            //selectedLayers[i].getLayerManager().remove(selectedLayers[i]);
            // ... becomes ...
            selectedLayers[i].getLayerManager().dispose(selectedLayers[i]);
            // SIGLE end
            
            if (selectedLayers[i] instanceof RasterImageLayer){
                ((RasterImageLayer)selectedLayers[i]).flushImages(false);
            }
            
            selectedLayers[i] = null;
        }
        // SIGLE start [obedel]
        // forcing memory freeing
        System.gc();
        // SIGLE end
        
        //Don't call LayerManager#setFiringEvents and
        //LayerManager#fireModelChanged, so that each
        //removed node is individually removed from the tree. [Jon Aquino]
    }

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

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

    /**
     *@inheritDoc
     */
    public String getIconString() {
        return null;
    }
}