/*
 * Copyright (c) 2011, grossmann
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * * 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.
 * * Neither the name of the jo-widgets.org 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 jo-widgets.org 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 org.jowidgets.impl.layout;

import org.jowidgets.api.layout.IFlowLayoutFactoryBuilder;
import org.jowidgets.api.layout.ILayoutFactory;
import org.jowidgets.api.widgets.IContainer;
import org.jowidgets.common.types.Orientation;
import org.jowidgets.common.widgets.layout.ILayouter;
import org.jowidgets.util.Assert;

final class FlowLayoutFactoryBuilder implements IFlowLayoutFactoryBuilder {

    private static final int DEFAULT_GAP = 4;

    private int gap;
    private Orientation orientation;

    FlowLayoutFactoryBuilder() {
        this.orientation = Orientation.HORIZONTAL;
        this.gap = DEFAULT_GAP;
    }

    @Override
    public IFlowLayoutFactoryBuilder gap(final int gap) {
        this.gap = gap;
        return this;
    }

    @Override
    public IFlowLayoutFactoryBuilder orientation(final Orientation orientation) {
        Assert.paramNotNull(orientation, "orientation");
        this.orientation = orientation;
        return this;
    }

    @Override
    public IFlowLayoutFactoryBuilder vertical() {
        this.orientation = Orientation.VERTICAL;
        return this;
    }

    @Override
    public IFlowLayoutFactoryBuilder horizontal() {
        this.orientation = Orientation.HORIZONTAL;
        return this;
    }

    @Override
    public ILayoutFactory<ILayouter> build() {
        return new ILayoutFactory<ILayouter>() {
            @Override
            public ILayouter create(final IContainer container) {
                return new FlowLayoutImpl(container, gap, orientation);
            }
        };
    }
}