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Symmetry UI provides a basic UI toolkit for use with Symmetry.
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/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.hobsoft.symmetry.ui.traversal;

import org.hobsoft.symmetry.ui.Grid;

/**
 * Adapts a {@code ContainerVisitor} to a {@code GridVisitor}.
 * 
 * @author Mark Hobson
 * @param 
 *            the component type this visitor can visit
 * @param 
 *            the parameter type this visitor takes
 * @param 
 *            the exception type this visitor can throw
 */
class GridVisitorAdapter
	extends DelegatingContainerVisitor
	implements GridVisitor
{
	// fields -----------------------------------------------------------------
	
	private final GridVisitor gridDelegate;

	// constructors -----------------------------------------------------------
	
	public GridVisitorAdapter(ContainerVisitor delegate)
	{
		this(delegate, ComponentVisitors.nullGridVisitor());
	}
	
	public GridVisitorAdapter(ContainerVisitor delegate, GridVisitor gridDelegate)
	{
		super(delegate);
		
		this.gridDelegate = gridDelegate;
	}
	
	// GridVisitor methods ----------------------------------------------------
	
	/**
	 * {@inheritDoc}
	 */
	@Override
	public Visit visitColumns(T grid, P parameter) throws E
	{
		return gridDelegate.visitColumns(grid, parameter);
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public EndVisit visitColumn(T grid, P parameter, int columnIndex) throws E
	{
		return gridDelegate.visitColumn(grid, parameter, columnIndex);
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public EndVisit endVisitColumns(T grid, P parameter) throws E
	{
		return gridDelegate.endVisitColumns(grid, parameter);
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public Visit visitRows(T grid, P parameter) throws E
	{
		return gridDelegate.visitRows(grid, parameter);
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public Visit visitRow(T grid, P parameter, int rowIndex) throws E
	{
		return gridDelegate.visitRow(grid, parameter, rowIndex);
	}
	
	/**
	 * {@inheritDoc}
	 */
	@Override
	public EndVisit endVisitRow(T grid, P parameter, int rowIndex) throws E
	{
		return gridDelegate.endVisitRow(grid, parameter, rowIndex);
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public EndVisit endVisitRows(T grid, P parameter) throws E
	{
		return gridDelegate.endVisitRows(grid, parameter);
	}
}