diff options
Diffstat (limited to 'javax/swing/text/PlainDocument.java')
| -rw-r--r-- | javax/swing/text/PlainDocument.java | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/javax/swing/text/PlainDocument.java b/javax/swing/text/PlainDocument.java index fd7ef92a0..c699dcad2 100644 --- a/javax/swing/text/PlainDocument.java +++ b/javax/swing/text/PlainDocument.java @@ -1,5 +1,5 @@ /* PlainDocument.java -- - Copyright (C) 2002, 2004 Free Software Foundation, Inc. + Copyright (C) 2002, 2004, 2006 Free Software Foundation, Inc. This file is part of GNU Classpath. @@ -40,6 +40,15 @@ package javax.swing.text; import java.util.ArrayList; +/** + * A simple document class which maps lines to {@link Element}s. + * + * @author Anthony Balkissoon (abalkiss@redhat.com) + * @author Graydon Hoare (graydon@redhat.com) + * @author Roman Kennke (roman@kennke.org) + * @author Michael Koch (konqueror@gmx.de) + * @author Robert Schuster (robertschuster@fsfe.org) + */ public class PlainDocument extends AbstractDocument { private static final long serialVersionUID = 4758290289196893664L; @@ -109,6 +118,7 @@ public class PlainDocument extends AbstractDocument AttributeSet attributes) { int offset = event.getOffset(); + int eventLength = event.getLength(); int end = offset + event.getLength(); int oldElementIndex, elementIndex = rootElement.getElementIndex(offset); Element firstElement = rootElement.getElement(elementIndex); @@ -161,24 +171,25 @@ public class PlainDocument extends AbstractDocument Element[] added; try { - String str = content.getString(0, content.length()); + String str = content.getString(offset, eventLength); ArrayList elts = new ArrayList(); // Determine how many NEW lines were added by finding the newline // characters within the newly inserted text int j = firstElement.getStartOffset(); - int i = str.indexOf('\n', offset); + int i = str.indexOf('\n', 0); + int contentLength = content.length(); - while (i != -1 && i <= end) + while (i != -1 && i <= eventLength) { // For each new line, create a new element elts.add(createLeafElement(rootElement, SimpleAttributeSet.EMPTY, - j, i + 1)); + j, offset + i + 1)); - j = i + 1; - if (j >= str.length()) + j = offset + i + 1; + if (j >= contentLength) break; - i = str.indexOf('\n', j); + i = str.indexOf('\n', i + 1); } // If there were new lines added we have to add an ElementEdit to |