/*

 * Copyright (c) 1998, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package javax.swing.text.html;

import javax.swing.text.*;

/**

 * TextAreaDocument extends the capabilities of the PlainDocument

 * to store the data that is initially set in the Document.

 * This is stored in order to enable an accurate reset of the

 * state when a reset is requested.

 *

 * @author Sunita Mani

 */

class TextAreaDocument extends PlainDocument {

    String initialText;

    /**

     * Resets the model by removing all the data,

     * and restoring it to its initial state.

     */

    void reset() {

        try {

            remove(0, getLength());

            if (initialText != null) {

                insertString(0, initialText, null);

            }

        } catch (BadLocationException e) {

        }

    }

    /**

     * Stores the data that the model is initially

     * loaded with.

     */

    void storeInitialText() {

        try {

            initialText = getText(0, getLength());

        } catch (BadLocationException e) {

        }

    }

}