/*
* @(#)PointSpinner.java 4/8/2007
*
* Copyright 2002 - 2007 JIDE Software Inc. All rights reserved.
*/
package com.jidesoft.spinner;
import java.awt.Point;
import javax.swing.*;
import javax.swing.text.DefaultFormatterFactory;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
/**
* <code>PointSpinner</code> is a spinner that is specialized in displaying x and y value of a point.
* <p/>
*
* @author Nako Ruru
*/
public class PointSpinner extends JSpinner {
/**
* Constructs a complete spinner with pair of next/previous buttons and an editor for the
* <code>SpinnerModel</code>.
*
* @param model
*/
public PointSpinner(SpinnerPointModel model) {
super(model);
customizeSpinner();
}
/**
* Constructs a spinner with an <code>Integer SpinnerNumberModel</code> with initial value 0 and no minimum or
* maximum limits.
*/
public PointSpinner() {
this(new SpinnerPointModel());
}
@Override
protected JComponent createEditor(SpinnerModel model) {
return new PointEditor(this);
}
/**
*
*/
public static class PointEditor extends DefaultEditor {
/**
* @param spinner
*/
public PointEditor(JSpinner spinner) {
super(spinner);
if (!(spinner.getModel() instanceof SpinnerPointModel)) {
throw new IllegalArgumentException(
"model not a SpinnerPointModel");
}
final SpinnerPointModel model = (SpinnerPointModel) spinner.getModel();
JFormattedTextField.AbstractFormatter formatter = PointFormatter.getInstance();
DefaultFormatterFactory factory = new DefaultFormatterFactory(formatter);
final JFormattedTextField ftf = getTextField();
ftf.setEditable(true);
ftf.setFormatterFactory(factory);
ftf.setHorizontalAlignment(JTextField.RIGHT);
/* TBD - initializing the column width of the text field
* is imprecise and doing it here is tricky because
* the developer may configure the formatter later.
*/
String min = Integer.toString(Integer.MIN_VALUE);
ftf.setColumns(4 + 2 * min.length());
ftf.addPropertyChangeListener("value", new PropertyChangeListener() {
public void propertyChange(PropertyChangeEvent evt) {
String text = ftf.getText();
int comma = text.indexOf(',');
String digit;
int number;
if (model.getField() == SpinnerPointModel.FIELD_X) {
digit = text.substring(text.indexOf('(') + 1, comma).trim();
number = text.indexOf(digit);
}
else {
digit = text.substring(comma + 1, text.indexOf(')')).trim();
number = text.lastIndexOf(digit);
}
ftf.select(number, number + digit.length());
}
});
}
}
private void updateField() {
JComponent editor = getEditor();
if (editor instanceof PointEditor && getModel() instanceof SpinnerPointModel) {
JFormattedTextField ftf = ((PointEditor) editor).getTextField();
SpinnerPointModel model = (SpinnerPointModel) getModel();
int comma = ftf.getText().indexOf(',');
int caret = ftf.getCaretPosition();
model.setField(caret <= comma ? SpinnerPointModel.FIELD_X : SpinnerPointModel.FIELD_Y);
}
}
@Override
public Point getNextValue() {
updateField();
return (Point) super.getNextValue();
}
@Override
public Point getPreviousValue() {
updateField();
return (Point) super.getPreviousValue();
}
@Override
public Point getValue() {
return (Point) super.getValue();
}
protected void customizeSpinner() {
SpinnerWheelSupport.installMouseWheelSupport(this);
}
}