Showing the changes to java/pkg/javax/swing/text/html/TextAreaDocument.java (1 of 18352 files). Show all
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| 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 | } | ||