package java.awt;import java.awt.event.KeyEvent;/** * class TextArea - * * Copyright (c) 1999 *    Transvirtual Technologies, Inc.  All rights reserved. * * See the file "license.terms" for information on usage and redistribution  * of this file.  * */public class TextArea  extends TextComponent{	int rows;	int cols;	final public static int SCROLLBARS_BOTH = 0;	final public static int SCROLLBARS_VERTICAL_ONLY = 1;	final public static int SCROLLBARS_HORIZONTAL_ONLY = 2;	final public static int SCROLLBARS_NONE = 3;	int scrolls;public TextArea() {	this( "", 0, 0, SCROLLBARS_BOTH);}public TextArea( String text) {	this( text, 0, 0, SCROLLBARS_BOTH);}public TextArea( String text, int rows, int cols) {	this( text, rows, cols, SCROLLBARS_BOTH);}public TextArea( String text, int rows, int cols, int scrolls) {	this.rows = rows;	this.cols = cols;	this.scrolls = scrolls;	cursor = Cursor.getPredefinedCursor( Cursor.TEXT_CURSOR);	setForeground( Defaults.TextAreaTxtClr);	setBackground( Defaults.TextAreaBgClr);	setFont( Defaults.TextAreaFont);	setText( text);}public TextArea( int rows, int cols) {	this( "", rows, cols, SCROLLBARS_BOTH);}public void addNotify() {	if ( nativeData == null ) {		Toolkit.createNative(this);		super.addNotify();	}}public void append( String text) {	if ( nativeData != null )		Toolkit.editAppend( nativeData, text);}void createNative() {	nativeData = Toolkit.editCreateArea( getParentData(), text, scrolls);}public int getColumns() {	return cols;}public Dimension getMinimumSize() {	return getMinimumSize( Math.max( cols, 5), Math.max( rows, 5));}public Dimension getMinimumSize( int cols, int rows) {	return getPreferredSize( cols, rows);}public Dimension getPreferredSize() {	return getPreferredSize( Math.max( cols, 5), Math.max( rows, 5));}public Dimension getPreferredSize( int cols, int rows) {	FontMetrics fm = getFontMetrics( getFont() );	int cx = cols * fm.charWidth('x');	int cy = rows * fm.getHeight();	return new Dimension( cx, cy);}public int getRows() {	return rows;}public int getScrollbarVisibility() {	return scrolls;}public void insert( String text, int pos) {	if ( nativeData != null )		Toolkit.editInsert( nativeData, text, pos);}protected String paramString() {	return "";}protected void process( KeyEvent e) {	//consume simple tabs from ShortcutHandler	if ( (e.getModifiers() == 0) && (e.getKeyChar() == '\t' ) )		e.consumed = true;	super.process( e);}public void replaceRange( String text, int start, int end) {	if ( nativeData != null )		Toolkit.editReplaceRange( nativeData, text, start, end);}public void setColumns( int cols) {	this.cols = cols;}public void setRows( int rows) {	this.rows = rows;}}