# PageMode.java

    /*
     * Licensed to the Apache Software Foundation (ASF) under one or more
     * contributor license agreements.  See the NOTICE file distributed with
     * this work for additional information regarding copyright ownership.
     * The ASF licenses this file to You 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.apache.pdfbox.pdmodel;

    /**
     * A name object specifying how the document shall be displayed when opened.
     *
     * @author John Hewson
     */
    public enum PageMode
    {
        /** Neither the outline nor the thumbnails are displayed. */
        USE_NONE("UseNone"),

        /** Show bookmarks when pdf is opened. */
        USE_OUTLINES("UseOutlines"),

        /** Show thumbnails when pdf is opened. */
        USE_THUMBS("UseThumbs"),

        /** Full screen mode with no menu bar, window controls. */
        FULL_SCREEN("FullScreen"),

        /** Optional content group panel is visible when opened. */
        USE_OPTIONAL_CONTENT("UseOC"),

        /** Attachments panel is visible. */
        USE_ATTACHMENTS("UseAttachments");

        public static PageMode fromString(String value)
        {
            for (PageMode instance : PageMode.values())
            {
                if (instance.value.equals(value))
                {
                    return instance;
                }
            }
            throw new IllegalArgumentException(value);
        }

        private final String value;

        PageMode(String value)
        {
            this.value = value;
        }

        /**
         * Returns the string value, as used in a PDF file.
         */
        public String stringValue()
        {
            return value;
        }
    }