// $Id: UMLExpressionLanguageField.java 41 2010-04-03 20:04:12Z marcusvnac $
// Copyright (c) 1996-2006 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,
// UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
package org.argouml.uml.ui;
import javax.swing.JTextField;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
import org.argouml.i18n.Translator;
import org.argouml.ui.LookAndFeelMgr;
/**
* This text field shows the language of a UML expression.
*/
public class UMLExpressionLanguageField extends JTextField implements
DocumentListener, UMLUserInterfaceComponent {
private UMLExpressionModel2 model;
private boolean notifyModel;
/**
* Creates a new field that selects the language for an expression.
*
* @param expressionModel Expression model, should be shared between
* Language and Body fields
* @param notify Only one of Language and Body fields should
* forward events to model
*/
public UMLExpressionLanguageField(UMLExpressionModel2 expressionModel,
boolean notify) {
model = expressionModel;
notifyModel = notify;
getDocument().addDocumentListener(this);
setToolTipText(Translator.localize("label.language.tooltip"));
setFont(LookAndFeelMgr.getInstance().getStandardFont());
}
/*
* @see org.argouml.uml.ui.UMLUserInterfaceComponent#targetChanged()
*/
public void targetChanged() {
if (notifyModel) {
model.targetChanged();
}
update();
}
/*
* @see org.argouml.uml.ui.UMLUserInterfaceComponent#targetReasserted()
*/
public void targetReasserted() {
}
private void update() {
String oldText = getText();
String newText = model.getLanguage();
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.setLanguage(getText());
}
/*
* @see javax.swing.event.DocumentListener#removeUpdate(javax.swing.event.DocumentEvent)
*/
public void removeUpdate(final DocumentEvent p1) {
model.setLanguage(getText());
}
/*
* @see javax.swing.event.DocumentListener#insertUpdate(javax.swing.event.DocumentEvent)
*/
public void insertUpdate(final DocumentEvent p1) {
model.setLanguage(getText());
}
}