nextapp.echo.app.TextArea Maven / Gradle / Ivy
/*
* This file is part of the Echo Web Application Framework (hereinafter "Echo").
* Copyright (C) 2002-2009 NextApp, Inc.
*
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*/
package nextapp.echo.app;
import nextapp.echo.app.text.Document;
import nextapp.echo.app.text.StringDocument;
import nextapp.echo.app.text.TextComponent;
/**
* TextArea component: a multiple-line text input field. May not contain child components.
*/
public class TextArea extends TextComponent {
/** Serial Version UID. */
private static final long serialVersionUID = 20070101L;
/**
* Creates a new TextArea with an empty
* StringDocument as its model, and default width and
* height settings.
*/
public TextArea() {
super(new StringDocument());
}
/**
* Creates a new TextArea with the specified
* Document model.
*
* @param document the document
*/
public TextArea(Document document) {
super(document);
}
/**
* Creates a new TextArea with the specified
* Document model, initial text, width
* and height settings.
*
* @param document the document
* @param text the initial text (may be null)
* @param columns the number of columns to display
* @param rows the number of rows to display
*/
public TextArea(Document document, String text, int columns, int rows) {
super(document);
if (text != null) {
document.setText(text);
}
setWidth(new Extent(columns, Extent.EM));
setHeight(new Extent(rows, Extent.EM));
}
}