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This file is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

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The source code

/*
 *                 Sun Public License Notice
 *
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 *
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2004 Sun
 * Microsystems, Inc. All Rights Reserved.
 */

package org.netbeans.spi.java.project.support.ui;

import java.awt.Component;
import java.awt.Image;
import java.awt.Panel;
import java.awt.datatransfer.Transferable;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import java.util.ArrayList;
import javax.swing.Action;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import org.netbeans.api.project.SourceGroup;
import org.netbeans.spi.project.ui.support.CommonProjectActions;
import org.openide.ErrorManager;
import org.openide.filesystems.FileObject;
import org.openide.filesystems.FileUtil;
import org.openide.loaders.DataFolder;
import org.openide.loaders.DataObject;
import org.openide.nodes.AbstractNode;
import org.openide.nodes.Node;
import org.openide.nodes.NodeNotFoundException;
import org.openide.nodes.NodeOp;
import org.openide.util.Lookup;
import org.openide.util.Utilities;
import org.openide.util.datatransfer.ExTransferable;
import org.openide.util.datatransfer.MultiTransferObject;
import org.openide.util.lookup.AbstractLookup;
import org.openide.util.lookup.InstanceContent;
import org.openide.util.lookup.Lookups;
import org.openide.util.lookup.ProxyLookup;
import org.openidex.search.SearchInfo;
import org.openidex.search.SearchInfoFactory;


/** Node displaying a packages in given SourceGroup
 * @author Petr Hrebejk
 */
final class PackageRootNode extends AbstractNode {

    private static Image PACKAGE_BADGE = Utilities.loadImage( "org/netbeans/spi/java/project/support/ui/packageBadge.gif" ); // NOI18N
        
    private static Action actions[]; 

    private SourceGroup group;
        
    PackageRootNode( SourceGroup group ) {
        this( group, new InstanceContent() );
    }
    
    private PackageRootNode( SourceGroup group, InstanceContent ic ) {
        super( new PackageViewChildren( group.getRootFolder() ),
               new ProxyLookup( new Lookup[] { createLookup ( group ),
                                               new AbstractLookup( ic )} ) );
        ic.add(alwaysSearchableSearchInfo(SearchInfoFactory.createSearchInfoBySubnodes(this)));
        this.group = group;
        setName( group.getName() );
        setDisplayName( group.getDisplayName() );
        // setIconBase("org/netbeans/modules/java/j2seproject/ui/resources/packageRoot");
    }

    public Image getIcon( int type ) {        
        return computeIcon( false, type );
    }
        
    public Image getOpenedIcon( int type ) {
        return computeIcon( true, type );
    }
    
    public Action[] getActions( boolean context ) {

        if ( actions == null ) {
            actions = new Action[] {
                CommonProjectActions.newFileAction(),
                null,
                org.openide.util.actions.SystemAction.get( org.openide.actions.FindAction.class ),
                null,
                org.openide.util.actions.SystemAction.get( org.openide.actions.PasteAction.class ),
                null,
                org.openide.util.actions.SystemAction.get( org.openide.actions.ToolsAction.class ),
            };
        }
        return actions;            
    }

    // Show properties of the DataFolder
    public PropertySet[] getPropertySets() {            
        return getDataFolderNodeDelegate().getPropertySets();
    }

    // XXX Paste types - probably not very nice 
    public void createPasteTypes( Transferable t, List list ) {
        if (t.isDataFlavorSupported(ExTransferable.multiFlavor)) {
            try {
                MultiTransferObject mto = (MultiTransferObject) t.getTransferData (ExTransferable.multiFlavor);
                List l = new ArrayList ();
                boolean isPackageFlavor = false;
                boolean hasTheSameRoot = false;
                int op = -1;
                for (int i=0; i < mto.getCount(); i++) {
                    Transferable pt = mto.getTransferableAt(i);
                    DataFlavor[] flavors = mto.getTransferDataFlavors(i);
                    for (int j=0; j< flavors.length; j++) {
                        if (PackageViewChildren.SUBTYPE.equals(flavors[j].getSubType ()) &&
                                PackageViewChildren.PRIMARY_TYPE.equals(flavors[j].getPrimaryType ())) {
                            if (op == -1) {
                                op = Integer.valueOf (flavors[j].getParameter (PackageViewChildren.MASK)).intValue ();
                            }
                            PackageViewChildren.PackageNode pkgNode = (PackageViewChildren.PackageNode) pt.getTransferData(flavors[j]);
                            if ( !((PackageViewChildren)getChildren()).getRoot().equals( pkgNode.getRoot() ) ) {
                                l.add(pkgNode);
                            }
                            else {
                                hasTheSameRoot = true;
                            }
                            isPackageFlavor = true;
                        }
                    }
                }
                if (isPackageFlavor && !hasTheSameRoot) {
                    list.add (new PackageViewChildren.PackagePasteType (this.group.getRootFolder(),
                                    (PackageViewChildren.PackageNode[]) l.toArray(new PackageViewChildren.PackageNode[l.size()]),
                                    op));
                }
                else if (!isPackageFlavor) {
                    list.addAll( Arrays.asList( getDataFolderNodeDelegate().getPasteTypes( t ) ) );
                }
            } catch (UnsupportedFlavorException e) {
                ErrorManager.getDefault().notify(e);
            } catch (IOException e) {
                ErrorManager.getDefault().notify(e);
            }
        }
        else {
            DataFlavor[] flavors = t.getTransferDataFlavors();
            FileObject root = this.group.getRootFolder();
            boolean isPackageFlavor = false;
            if (root!= null  && root.canWrite()) {
                for (int i=0; i*/ objectsToSearch() {
            return delegate.objectsToSearch();
        }
        
    }
    
}
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