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Executable WebLaf demo

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/*
 * This file is part of WebLookAndFeel library.
 *
 * WebLookAndFeel library 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 3 of the License, or
 * (at your option) any later version.
 *
 * WebLookAndFeel library 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 WebLookAndFeel library.  If not, see .
 */

package com.alee.demo.frames.examples;

import com.alee.api.annotations.NotNull;
import com.alee.demo.api.example.ExampleElement;
import com.alee.demo.content.ExamplesManager;
import com.alee.extended.tree.AbstractExTreeDataProvider;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

/**
 * @author Mikle Garin
 */
public final class ExamplesTreeDataProvider extends AbstractExTreeDataProvider
{
    @NotNull
    @Override
    public ExamplesTreeNode getRoot ()
    {
        return new ExamplesTreeNode ();
    }

    @NotNull
    @Override
    public List getChildren ( @NotNull final ExamplesTreeNode parent )
    {
        final List children;
        switch ( parent.getType () )
        {
            case root:
            {
                children = toNodes ( ExamplesManager.getGroups () );
            }
            break;

            case group:
            {
                children = new ArrayList ();
                children.addAll ( toNodes ( parent.getExampleGroup ().getGroups () ) );
                children.addAll ( toNodes ( parent.getExampleGroup ().getExamples () ) );
            }
            break;

            default:
            {
                children = Collections.emptyList ();
            }
            break;
        }
        return children;
    }

    /**
     * Returns tree nodes for the specified elements.
     *
     * @param elements elements to provide nodes for
     * @return tree nodes for the specified elements
     */
    protected List toNodes ( final List elements )
    {
        final List nodes = new ArrayList ();
        for ( final ExampleElement element : elements )
        {
            nodes.add ( new ExamplesTreeNode ( element ) );
        }
        return nodes;
    }
}