/* $Id: UMLExpressionBodyField.java 17896 2010-01-12 21:36:11Z linus $
*****************************************************************************
* Copyright (c) 2009 Contributors - see below
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* mvw
*****************************************************************************
*
* Some portions of this file was previously release using the BSD License:
*/
// Copyright (c) 1996-2009 The Regents of the University of California. All
// Rights Reserved. Permission to use, copy, modify, and distribute this
// software and its documentation without fee, and without a written
// agreement is hereby granted, provided that the above copyright notice
// and this paragraph appear in all copies. This software program and
// documentation are copyrighted by The Regents of the University of
// California. The software program and documentation are supplied "AS
// IS", without any accompanying services from The Regents. The Regents
// does not warrant that the operation of the program will be
// uninterrupted or error-free. The end-user understands that the program
// was developed for research purposes and is advised not to rely
// exclusively on the program for any reason. IN NO EVENT SHALL THE
// UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,
// SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS,
// ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
// THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
// SUCH DAMAGE. THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE
// PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
// CALIFORNIA HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT,
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package org.argouml.core.propertypanels.ui;
import javax.swing.JTextArea;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
import org.apache.log4j.Logger;
import org.argouml.i18n.Translator;
import org.argouml.ui.LookAndFeelMgr;
/**
* This text field shows the body of a UML expression.
*
*/
class UMLExpressionBodyField extends JTextArea
implements DocumentListener {
/**
* Logger.
*/
private static final Logger LOG =
Logger.getLogger(UMLExpressionBodyField.class);
private UMLExpressionModel model;
private boolean notifyModel;
/**
* The constructor.
*
* @param expressionModel
* Expression model, should be shared between Language and Body
* fields
* @param notify
* Set to true to forward events to model. Only one of Language
* and Body fields should have this set to true.
* TODO: MVW: I do not understand that.
*/
public UMLExpressionBodyField(UMLExpressionModel expressionModel,
boolean notify) {
model = expressionModel;
notifyModel = notify;
getDocument().addDocumentListener(this);
setToolTipText(Translator.localize("label.body.tooltip"));
setFont(LookAndFeelMgr.getInstance().getStandardFont());
setRows(2); // make it stretch vertically
update();
}
void update() {
String oldText = getText();
String newText = model.getBody();
if (oldText == null || newText == null || !oldText.equals(newText)) {
if (oldText != newText) {
setText(newText);
}
}
}
/*
* @see javax.swing.event.DocumentListener#changedUpdate(javax.swing.event.DocumentEvent)
*/
public void changedUpdate(final DocumentEvent p1) {
model.setBody(getText());
}
/*
* @see javax.swing.event.DocumentListener#removeUpdate(javax.swing.event.DocumentEvent)
*/
public void removeUpdate(final DocumentEvent p1) {
model.setBody(getText());
}
/*
* @see javax.swing.event.DocumentListener#insertUpdate(javax.swing.event.DocumentEvent)
*/
public void insertUpdate(final DocumentEvent p1) {
model.setBody(getText());
}
}