/*
 * The Unified Mapping Platform (JUMP) is an extensible, interactive GUI 
 * for visualizing and manipulating spatial features with geometry and attributes.
 *
 * JUMP is Copyright (C) 2003 Vivid Solutions
 *
 * This program implements extensions to JUMP and is
 * Copyright (C) 2004 Integrated Systems Analysts, Inc.
 * 
 * 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:
 *
 * Integrated Systems Analysts, Inc.
 * 630C Anchors St., Suite 101
 * Fort Walton Beach, Florida
 * USA
 *
 * (850)862-7321
 */

package org.openjump.core.ui.plugin.edit;

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

import com.vividsolutions.jump.I18N;
import com.vividsolutions.jump.feature.BasicFeature;
import com.vividsolutions.jump.feature.Feature;
import com.vividsolutions.jump.feature.FeatureCollection;
import com.vividsolutions.jump.workbench.WorkbenchContext;
import com.vividsolutions.jump.workbench.model.Layer;
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;
import com.vividsolutions.jump.workbench.ui.LayerViewPanel;
import com.vividsolutions.jump.workbench.ui.MenuNames;

/**
 * Selects all Features with the modified flag set
 * @author beckerl
 *
 */
public class SelectAllModifiedFeaturesPlugIn extends AbstractPlugIn {
	
    public void initialize(PlugInContext context) throws Exception
    {     
	    context.getFeatureInstaller().addMainMenuItemWithJava14Fix(this,
		        new String[]
				{MenuNames.EDIT, MenuNames.SELECTION},
				I18N.get("org.openjump.core.ui.plugin.edit.SelectAllModifiedFeaturesPlugIn.select-all-modified-features"), 
				false, 
				null, 
				createEnableCheck(context.getWorkbenchContext())); //enable check
    }

    public boolean execute(final PlugInContext context) throws Exception
    {
    	reportNothingToUndoYet(context);
    	ArrayList selectedFeatures = new ArrayList();        
    	LayerViewPanel layerViewPanel = context.getWorkbenchContext().getLayerViewPanel();
    	layerViewPanel.getSelectionManager().clear();
    	Collection layers = (Collection) context.getWorkbenchContext()
    		.getLayerNamePanel().getLayerManager().getLayers();
    	for (Iterator j = layers.iterator(); j.hasNext();) 
    	{
    		Layer layer = (Layer) j.next();
    		selectedFeatures.clear();

    		if (layer.isVisible())
    		{
    			FeatureCollection featureCollection = layer.getFeatureCollectionWrapper();
    			for (Iterator i = featureCollection.iterator(); i.hasNext();)
    			{
    				Feature feature = (Feature) i.next();
    				if (feature instanceof BasicFeature 
    						&& ((BasicFeature) feature).isModified()) {
    					selectedFeatures.add(feature);
    				}
    			}
    		}
    		if (selectedFeatures.size() > 0)
    			layerViewPanel.getSelectionManager().getFeatureSelection().selectItems(layer, selectedFeatures);
    	}        
    	return true;
    }

    public MultiEnableCheck createEnableCheck(final WorkbenchContext workbenchContext) 
    {
    	EnableCheckFactory checkFactory = new EnableCheckFactory(workbenchContext);
    	return new MultiEnableCheck().add(checkFactory.createWindowWithLayerViewPanelMustBeActiveCheck());
    }    
}