diff -r fd16c54261b3 -r 90ce3da70b43 jdk/src/share/classes/javax/swing/text/html/TextAreaDocument.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/jdk/src/share/classes/javax/swing/text/html/TextAreaDocument.java Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,68 @@ +/* + * Copyright 1998 Sun Microsystems, Inc. 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. Sun designates this + * particular file as subject to the "Classpath" exception as provided + * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.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) { + } + } +}