| /* |
| * 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) { |
| } |
| } |
| } |