org.jpedal.objects.acroforms.creation.TextDocumentListener Maven / Gradle / Ivy
/*
* ===========================================
* Java Pdf Extraction Decoding Access Library
* ===========================================
*
* Project Info: http://www.idrsolutions.com
* Help section for developers at http://www.idrsolutions.com/support/
*
* (C) Copyright 1997-2017 IDRsolutions and Contributors.
*
* This file is part of JPedal/JPDF2HTML5
*
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ---------------
* TextDocumentListener.java
* ---------------
*/
package org.jpedal.objects.acroforms.creation;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
import javax.swing.text.JTextComponent;
import org.jpedal.objects.raw.FormObject;
/**
* listener to ensure that if component directly accesed it synchronized with
* our FormObject
*/
public class TextDocumentListener implements DocumentListener {
final JTextComponent textcomp;
final FormObject form;
TextDocumentListener(final JTextComponent textcomp, final FormObject form) {
this.textcomp = textcomp;
this.form = form;
}
@Override
public void changedUpdate(final DocumentEvent e) {
updateFormValue();
}
@Override
public void removeUpdate(final DocumentEvent e) {
updateFormValue();
}
@Override
public void insertUpdate(final DocumentEvent e) {
updateFormValue();
}
/**
* write value back to our Object from GUI widget
*/
private void updateFormValue() {
form.updateValue(textcomp.getText(), false, false); //last false is critical to stop it looping
}
}