org.pushingpixels.substance.internal.contrib.randelshofer.quaqua.colorchooser.ColorSliderTextFieldHandler Maven / Gradle / Ivy
/*
* @(#)ColorSliderTextFieldHandler.java 1.0 November 22, 2005
*
* Copyright (c) 2005 Werner Randelshofer
* Staldenmattweg 2, Immensee, CH-6405, Switzerland.
* All rights reserved.
*
* This software is the confidential and proprietary information of
* Werner Randelshofer. ("Confidential Information"). You shall not
* disclose such Confidential Information and shall use it only in
* accordance with the terms of the license agreement you entered into
* with Werner Randelshofer.
*/
package org.pushingpixels.substance.internal.contrib.randelshofer.quaqua.colorchooser;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.text.*;
/**
* This handler adjusts the value of a component in the color slider model,
* when the user enters text into the text field.
*
* @author Werner Randelshofer
* @version 1.0 November 22, 2005 Created.
*/
public class ColorSliderTextFieldHandler implements DocumentListener, ChangeListener {
private JTextField textField;
private ColorSliderModel ccModel;
private int component;
public ColorSliderTextFieldHandler(JTextField textField, ColorSliderModel ccModel, int component) {
this.textField = textField;
this.ccModel = ccModel;
this.component = component;
textField.getDocument().addDocumentListener(this);
ccModel.getBoundedRangeModel(component).addChangeListener(this);
}
@Override
public void changedUpdate(DocumentEvent evt) {
docChanged();
}
@Override
public void removeUpdate(DocumentEvent evt) {
docChanged();
}
@Override
public void insertUpdate(DocumentEvent evt) {
docChanged();
}
private void docChanged() {
if (textField.hasFocus()) {
BoundedRangeModel brm = ccModel.getBoundedRangeModel(component);
try {
int value = Integer.decode(textField.getText());
if (brm.getMinimum() <= value && value <= brm.getMaximum()) {
brm.setValue(value);
}
} catch (NumberFormatException e) {
// Don't change value if it isn't numeric.
}
}
}
@Override
public void stateChanged(ChangeEvent e) {
if (! textField.hasFocus()) {
textField.setText(Integer.toString(ccModel.getBoundedRangeModel(component).getValue()));
}
}
}