com.jgoodies.binding.binder.ListBindingBuilderImpl Maven / Gradle / Ivy

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/*
 * Copyright (c) 2002-2012 JGoodies Karsten Lentzsch. All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  o Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 *  o Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 *  o Neither the name of JGoodies Karsten Lentzsch nor the names of
 *    its contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package com.jgoodies.binding.binder;

import static com.jgoodies.common.base.Preconditions.checkNotNull;

import java.util.List;

import javax.swing.AbstractListModel;
import javax.swing.JList;
import javax.swing.JTable;
import javax.swing.ListModel;
import javax.swing.ListSelectionModel;

import com.jgoodies.binding.adapter.Bindings;



/**
 * Holds a ListModel and ListSelectionModel that can be bound to a list or table.
 *
 * @author  Karsten Lentzsch
 * @version $Revision: 1.2 $
 *
 * @since 2.3
 */
public class ListBindingBuilderImpl implements ListBindingBuilder {

    private final ListModel dataModel;
    private final ListSelectionModel selectionModel;


    // Instance Creation ******************************************************

    public ListBindingBuilderImpl(Object[] data, ListSelectionModel selectionModel) {
    	this(new ArrayToListModel(data), selectionModel);
    }
    
    
    public ListBindingBuilderImpl(List data, ListSelectionModel selectionModel) {
    	this(new ListToListModel(data), selectionModel);
    }
    
    
    /**
     * Creates a ListBindingBuilderImpl for the given list model and list
     * selection model.
     *
     * @param dataModel        provides the data to be bound to a component
     * @param selectionModel   provides the selection model to be bound
     *    to a component
     * @throws NullPointerException if {@code dataModel}
     *     or {@code selectionModel} is {@code null}
     */
    public ListBindingBuilderImpl(ListModel dataModel, ListSelectionModel selectionModel) {
        this.dataModel = checkNotNull(dataModel, "The ListModel must not be null.");
        this.selectionModel = checkNotNull(selectionModel, "The ListSelectionModel must not be null.");
    }


    // ListBindingBuilder Implementation **************************************

    @Override
	public void to(JTable table)  {
        Bindings.bind(table, dataModel, selectionModel);
    }


    @Override
	public void to(JList list) {
        list.setModel(dataModel);
        list.setSelectionModel(selectionModel);
    }
    
    
    // Helper Classes *********************************************************
    
    private static final class ArrayToListModel extends AbstractListModel {
    	
    	private final Object[] array;
    	
    	ArrayToListModel(Object[] array) {
    		this.array = array;
    		
    	}
    	
    	@Override
    	public Object getElementAt(int index) {
    		return array[index];
    	}
    	
    	@Override
    	public int getSize() {
    		return array.length;
    	}
    }


    private static final class ListToListModel extends AbstractListModel {
    	
    	private final List list;
    	
    	ListToListModel(List list) {
    		this.list = list;
    		
    	}
    	
    	@Override
    	public Object getElementAt(int index) {
    		return list.get(index);
    	}
    	
    	@Override
    	public int getSize() {
    		return list.size();
    	}
    }


}