Here you can find the source of buildIntegerFieldWithSlider(final JSlider matchingSlider)
Builds a formatted text field with specified min and max, and attaches the slider to it via listeners.
Parameter | Description |
---|---|
matchingSlider | a parameter |
public static JFormattedTextField buildIntegerFieldWithSlider(final JSlider matchingSlider)
//package com.java2s; /*//from ww w . jav a 2s . co m * Copyright 2004 (C) Ross M. Lodge * * 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 */ import java.awt.Color; import java.beans.PropertyChangeEvent; import java.beans.PropertyChangeListener; import javax.swing.BorderFactory; import javax.swing.JFormattedTextField; import javax.swing.JSlider; import javax.swing.border.Border; import javax.swing.event.ChangeEvent; import javax.swing.event.ChangeListener; import javax.swing.text.NumberFormatter; public class Main { /** * * <p> * Builds a formatted text field with specified min and max, and attaches * the slider to it via listeners. The text field gets it's min and max from * the slider. * </p> * * @param matchingSlider * @return JFormattedTextField */ public static JFormattedTextField buildIntegerFieldWithSlider(final JSlider matchingSlider) { final JFormattedTextField returnValue = buildIntegerField(matchingSlider.getMinimum(), matchingSlider.getMaximum()); returnValue.addPropertyChangeListener(new PropertyChangeListener() { @Override public void propertyChange(PropertyChangeEvent evt) { if ("value".equals(evt.getPropertyName())) { Number value = (Number) evt.getNewValue(); if (value != null) { matchingSlider.setValue(value.intValue()); } } } }); matchingSlider.addChangeListener(new ChangeListener() { @Override public void stateChanged(ChangeEvent e) { JSlider source = (JSlider) e.getSource(); int value = source.getValue(); if (!source.getValueIsAdjusting()) { //done adjusting returnValue.setValue(Integer.valueOf(value)); //update ftf value } else { //value is adjusting; just set the text returnValue.setText(String.valueOf(value)); } } }); return returnValue; } /** * <p>Builds a formatted text field with specified min and max</p> * * @param min minimum value * @param max maximum value * @return JFormattedTextField */ public static JFormattedTextField buildIntegerField(int min, int max) { java.text.NumberFormat numberFormat = java.text.NumberFormat.getIntegerInstance(); NumberFormatter formatter = new NumberFormatter(numberFormat); formatter.setMinimum(Integer.valueOf(min)); formatter.setMaximum(Integer.valueOf(max)); final JFormattedTextField returnValue = new JFormattedTextField(formatter); returnValue.setColumns(3); returnValue.addPropertyChangeListener(new PropertyChangeListener() { Border m_originalBorder = returnValue.getBorder(); @Override public void propertyChange(PropertyChangeEvent evt) { if (evt.getPropertyName() != null && evt.getPropertyName().equals("editValid")) { if (evt.getNewValue() != null && evt.getNewValue() instanceof Boolean) { if (((Boolean) evt.getNewValue()).booleanValue()) { returnValue.setBorder(m_originalBorder); } else { returnValue.setBorder(BorderFactory.createLineBorder(Color.red)); } } } } }); return returnValue; } }