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+/* JTextArea.java --
+ Copyright (C) 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+package javax.swing;
+
+import java.awt.Dimension;
+import javax.swing.text.Document;
+import javax.swing.text.JTextComponent;
+import javax.swing.text.PlainDocument;
+
+public class JTextArea extends JTextComponent
+{
+ private static final long serialVersionUID = -6141680179310439825L;
+
+ private int rows;
+ private int columns;
+ private boolean wrapping;
+
+ /**
+ * Creates a new <code>JTextArea</code> object.
+ */
+ public JTextArea()
+ {
+ this(null, null, 0, 0);
+ }
+
+ /**
+ * Creates a new <code>JTextArea</code> object.
+ *
+ * @param text the initial text
+ */
+ public JTextArea(String text)
+ {
+ this(null, text, 0, 0);
+ }
+
+ /**
+ * Creates a new <code>JTextArea</code> object.
+ *
+ * @param rows the number of rows
+ * @param columns the number of cols
+ *
+ * @exception IllegalArgumentException if rows or columns are negative
+ */
+ public JTextArea(int rows, int columns)
+ {
+ this(null, null, rows, columns);
+ }
+
+ /**
+ * Creates a new <code>JTextArea</code> object.
+ *
+ * @param text the initial text
+ * @param rows the number of rows
+ * @param columns the number of cols
+ *
+ * @exception IllegalArgumentException if rows or columns are negative
+ */
+ public JTextArea(String text, int rows, int columns)
+ {
+ this(null, text, rows, columns);
+ }
+
+ /**
+ * Creates a new <code>JTextArea</code> object.
+ *
+ * @param the document model to use
+ */
+ public JTextArea(Document doc)
+ {
+ this(doc, null, 0, 0);
+ }
+
+ /**
+ * Creates a new <code>JTextArea</code> object.
+ *
+ * @param the document model to use
+ * @param text the initial text
+ * @param rows the number of rows
+ * @param columns the number of cols
+ *
+ * @exception IllegalArgumentException if rows or columns are negative
+ */
+ public JTextArea(Document doc, String text, int rows, int columns)
+ {
+ setDocument(doc == null ? createDefaultModel() : doc);
+ setText(text);
+ setRows(rows);
+ setColumns(columns);
+ }
+
+ /**
+ * Appends some text.
+ *
+ * @param toAppend the text to append
+ */
+ public void append(String toAppend)
+ {
+ setText(getText() + toAppend);
+ }
+
+ /**
+ * Creates the default document model.
+ *
+ * @return a new default model
+ */
+ protected Document createDefaultModel()
+ {
+ return new PlainDocument();
+ }
+
+
+ public boolean getScrollableTracksViewportWidth()
+ {
+ return wrapping ? true : super.getScrollableTracksViewportWidth();
+ }
+
+ /**
+ * Returns the UI class ID string.
+ *
+ * @return the string "TextAreaUI"
+ */
+ public String getUIClassID()
+ {
+ return "TextAreaUI";
+ }
+
+ /**
+ * Returns the current number of columns.
+ *
+ * @return number of columns
+ */
+ public int getColumns()
+ {
+ return columns;
+ }
+
+ /**
+ * Sets the number of rows.
+ *
+ * @param columns number of columns
+ *
+ * @exception IllegalArgumentException if columns is negative
+ */
+ public void setColumns(int columns)
+ {
+ if (columns < 0)
+ throw new IllegalArgumentException();
+
+ this.columns = columns;
+ }
+
+ /**
+ * Returns the current number of rows.
+ *
+ * @return number of rows
+ */
+ public int getRows()
+ {
+ return rows;
+ }
+
+ /**
+ * Sets the number of rows.
+ *
+ * @param columns number of columns
+ *
+ * @exception IllegalArgumentException if rows is negative
+ */
+ public void setRows(int rows)
+ {
+ if (rows < 0)
+ throw new IllegalArgumentException();
+
+ this.rows = rows;
+ }
+
+ /**
+ * Checks whethet line wrapping is enabled.
+ *
+ * @return true if line wrapping is enabled, false otherwise
+ */
+ public boolean getLineWrap()
+ {
+ return wrapping;
+ }
+
+ /**
+ * Enables/disables line wrapping.
+ *
+ * @param wrapping true to enable line wrapping, false otherwise
+ */
+ public void setLineWrap(boolean wrapping)
+ {
+ this.wrapping = wrapping;
+ }
+}