Showing the changes to java/pkg/javax/swing/text/html/TextAreaDocument.java (1 of 18352 files). Show all
Unified · Split
| @@ -0,0 +1,68 @@ | ||
| 1 | +/* | |
| 2 | + * Copyright (c) 1998, Oracle and/or its affiliates. All rights reserved. | |
| 3 | + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 | + * | |
| 5 | + * This code is free software; you can redistribute it and/or modify it | |
| 6 | + * under the terms of the GNU General Public License version 2 only, as | |
| 7 | + * published by the Free Software Foundation. Oracle designates this | |
| 8 | + * particular file as subject to the "Classpath" exception as provided | |
| 9 | + * by Oracle in the LICENSE file that accompanied this code. | |
| 10 | + * | |
| 11 | + * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 | + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 | + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 | + * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 | + * accompanied this code). | |
| 16 | + * | |
| 17 | + * You should have received a copy of the GNU General Public License version | |
| 18 | + * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 | + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 | + * | |
| 21 | + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 | + * or visit www.oracle.com if you need additional information or have any | |
| 23 | + * questions. | |
| 24 | + */ | |
| 25 | +package javax.swing.text.html; | |
| 26 | + | |
| 27 | +import javax.swing.text.*; | |
| 28 | + | |
| 29 | + | |
| 30 | +/** | |
| 31 | + * TextAreaDocument extends the capabilities of the PlainDocument | |
| 32 | + * to store the data that is initially set in the Document. | |
| 33 | + * This is stored in order to enable an accurate reset of the | |
| 34 | + * state when a reset is requested. | |
| 35 | + * | |
| 36 | + * @author Sunita Mani | |
| 37 | + */ | |
| 38 | + | |
| 39 | +class TextAreaDocument extends PlainDocument { | |
| 40 | + | |
| 41 | + String initialText; | |
| 42 | + | |
| 43 | + | |
| 44 | + /** | |
| 45 | + * Resets the model by removing all the data, | |
| 46 | + * and restoring it to its initial state. | |
| 47 | + */ | |
| 48 | + void reset() { | |
| 49 | + try { | |
| 50 | + remove(0, getLength()); | |
| 51 | + if (initialText != null) { | |
| 52 | + insertString(0, initialText, null); | |
| 53 | + } | |
| 54 | + } catch (BadLocationException e) { | |
| 55 | + } | |
| 56 | + } | |
| 57 | + | |
| 58 | + /** | |
| 59 | + * Stores the data that the model is initially | |
| 60 | + * loaded with. | |
| 61 | + */ | |
| 62 | + void storeInitialText() { | |
| 63 | + try { | |
| 64 | + initialText = getText(0, getLength()); | |
| 65 | + } catch (BadLocationException e) { | |
| 66 | + } | |
| 67 | + } | |
| 68 | +} | |