/*******************************************************************************
 * Copyright (c) 2012, 2013 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.style;

import java.util.Arrays;
import java.util.Collections;
import java.util.List;

public class DefaultDisplayModeOrdering implements IDisplayModeOrdering {

    private static final List<String> NORMAL_ORDERING = Arrays
            .asList(DisplayMode.NORMAL);

    private static final List<String> SELECT_ORDERING = Arrays.asList(
            DisplayMode.SELECT, DisplayMode.NORMAL);

    private static final List<String> EDIT_ORDERING = Arrays.asList(
            DisplayMode.EDIT, DisplayMode.NORMAL);

    private static final List<String> EMPTY_ORDERING = Collections.emptyList();

    private static final List<String> HOVER_ORDERING = Arrays.asList(
            DisplayMode.HOVER, DisplayMode.NORMAL);

    private static final List<String> SELECT_HOVER_ORDERING = Arrays.asList(
            DisplayMode.SELECT_HOVER, DisplayMode.SELECT, DisplayMode.HOVER,
            DisplayMode.NORMAL);

    /**
     * See DefaultDisplayModeOrderingTest
     */
    @Override
    public List<String> getDisplayModeOrdering(String targetDisplayMode) {
        if (DisplayMode.NORMAL.equals(targetDisplayMode)) {
            return NORMAL_ORDERING;
        } else if (DisplayMode.SELECT.equals(targetDisplayMode)) {
            return SELECT_ORDERING;
        } else if (DisplayMode.EDIT.equals(targetDisplayMode)) {
            return EDIT_ORDERING;
        } else if (DisplayMode.HOVER.equals(targetDisplayMode)) {
            return HOVER_ORDERING;
        } else if (DisplayMode.SELECT_HOVER.equals(targetDisplayMode)) {
            return SELECT_HOVER_ORDERING;
        } else {
            return EMPTY_ORDERING;
        }
    }
}