/*******************************************************************************
 * Copyright (c) 2012 Original authors and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Original authors and others - initial API and implementation
 ******************************************************************************/
package org.eclipse.nebula.widgets.nattable.test.fixture.layer;

import org.eclipse.nebula.widgets.nattable.layer.IUniqueIndexLayer;
import org.eclipse.nebula.widgets.nattable.test.fixture.InitializeClientAreaCommandFixture;
import org.eclipse.nebula.widgets.nattable.util.IClientAreaProvider;
import org.eclipse.nebula.widgets.nattable.viewport.ViewportLayer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Scrollable;
import org.eclipse.swt.widgets.Shell;

/**
 * Viewport fixtures to enable testing with various configurations.
 */
public class ViewportLayerFixture extends ViewportLayer {

    public static Rectangle DEFAULT_CLIENT_AREA = new Rectangle(0, 0, 200, 100);
    public static IClientAreaProvider DEFAULT_CLIENT_AREA_PROVIDER = getClientAreaProvider(DEFAULT_CLIENT_AREA);
    public static Scrollable DEFAULT_SCROLLABLE = scrollable();

    /**
     * Default Xtor
     */
    public ViewportLayerFixture() {
        super(new DataLayerFixture());
        setClientAreaProvider(getClientAreaProvider(DEFAULT_CLIENT_AREA));
    }

    public ViewportLayerFixture(IUniqueIndexLayer underlingLayer) {
        super(underlingLayer);
        setClientAreaProvider(getClientAreaProvider(new Rectangle(0, 0, 1000,
                1000)));
        doCommand(new InitializeClientAreaCommandFixture());
    }

    /**
     * Xtor Fixture with all columns equal width and all rows equal height.
     */
    public ViewportLayerFixture(int width, int height) {
        super(new DataLayerFixture(width, height));
    }

    /**
     * Xtor Fixture with all columns equal width and all rows equal height.
     *
     * @param colCount
     *            total number of columns
     * @param rowCount
     *            total number of rows
     */
    public ViewportLayerFixture(int colCount, int rowCount,
            int defaultColWidth, int defaultRowHeight) {
        super(new DataLayerFixture(colCount, rowCount, defaultColWidth,
                defaultRowHeight));
        setClientAreaProvider(DEFAULT_CLIENT_AREA_PROVIDER);
    }

    /**
     * Xtor Provide your own <i>clientArea</i>
     */
    public ViewportLayerFixture(final Rectangle clientArea) {
        super(new DataLayerFixture());
        setClientAreaProvider(getClientAreaProvider(clientArea));
    }

    private static IClientAreaProvider getClientAreaProvider(
            final Rectangle clientArea) {
        return new IClientAreaProvider() {
            @Override
            public Rectangle getClientArea() {
                return clientArea;
            }
        };
    }

    private static Scrollable scrollable() {
        return new Composite(new Shell(Display.getDefault()), SWT.H_SCROLL
                | SWT.V_SCROLL);
    }
}