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A LookAndFeel library for swing
/*
* Copyright (c) 2002 and later by MH Software-Entwicklung. All Rights Reserved.
*
* JTattoo is multiple licensed. If your are an open source developer you can use
* it under the terms and conditions of the GNU General Public License version 2.0
* or later as published by the Free Software Foundation.
*
* see: gpl-2.0.txt
*
* If you pay for a license you will become a registered user who could use the
* software under the terms and conditions of the GNU Lesser General Public License
* version 2.0 or later with classpath exception as published by the Free Software
* Foundation.
*
* see: lgpl-2.0.txt
* see: classpath-exception.txt
*
* Registered users could also use JTattoo under the terms and conditions of the
* Apache License, Version 2.0 as published by the Apache Software Foundation.
*
* see: APACHE-LICENSE-2.0.txt
*/
package com.jtattoo.plaf;
import java.awt.*;
import javax.swing.*;
import javax.swing.border.Border;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.basic.BasicSpinnerUI;
/**
*
* @author Michael Hagen
*/
public class BaseSpinnerUI extends BasicSpinnerUI {
/**
* Used by the default LayoutManager class - SpinnerLayout for
* missing (null) editor/nextButton/previousButton children.
*/
private static final Dimension zeroSize = new Dimension(0, 0);
private MyLayoutManager myLayoutManager = null;
/**
* Returns a new instance of BaseSpinnerUI. SpinnerListUI
* delegates are allocated one per JSpinner.
*
* @param c the JSpinner (not used)
* @see ComponentUI#createUI
* @return a new BasicSpinnerUI object
*/
public static ComponentUI createUI(JComponent c) {
return new BaseSpinnerUI();
}
/**
* Create a LayoutManager that manages the editor,
* nextButton, and previousButton
* children of the JSpinner. These three children must be
* added with a constraint that identifies their role:
* "Editor", "Next", and "Previous". The default layout manager
* can handle the absence of any of these children.
*
* @return a LayoutManager for the editor, next button, and previous button.
* @see #createNextButton
* @see #createPreviousButton
* @see #createEditor
*/
@Override
protected LayoutManager createLayout() {
if (myLayoutManager == null) {
myLayoutManager = new MyLayoutManager();
}
return myLayoutManager;
}
@Override
protected Component createNextButton() {
JButton button = new SpinButton(SwingConstants.NORTH);
if (JTattooUtilities.isLeftToRight(spinner)) {
Border border = BorderFactory.createMatteBorder(0, 1, 1, 0, AbstractLookAndFeel.getFrameColor());
button.setBorder(border);
} else {
Border border = BorderFactory.createMatteBorder(0, 0, 1, 1, AbstractLookAndFeel.getFrameColor());
button.setBorder(border);
}
installNextButtonListeners(button);
return button;
}
@Override
protected Component createPreviousButton() {
JButton button = new SpinButton(SwingConstants.SOUTH);
if (JTattooUtilities.isLeftToRight(spinner)) {
Border border = BorderFactory.createMatteBorder(0, 1, 0, 0, AbstractLookAndFeel.getFrameColor());
button.setBorder(border);
} else {
Border border = BorderFactory.createMatteBorder(0, 0, 0, 1, AbstractLookAndFeel.getFrameColor());
button.setBorder(border);
}
installPreviousButtonListeners(button);
return button;
}
//-----------------------------------------------------------------------------------------
// inner classes
//-----------------------------------------------------------------------------------------
public static class SpinButton extends NoFocusButton {
private static final Dimension minSize = new Dimension(14, 12);
private int direction = SwingConstants.NORTH;
public SpinButton(int aDirection) {
super();
setInheritsPopupMenu(true);
direction = aDirection;
}
@Override
public Dimension getPreferredSize() {
Dimension size = super.getPreferredSize();
size.width = Math.max(size.width, minSize.width);
size.height = Math.max(size.height, minSize.height);
return size;
}
@Override
public void paint(Graphics g) {
Color colors[];
if (isEnabled()) {
if (getModel().isPressed() && getModel().isArmed()) {
colors = AbstractLookAndFeel.getTheme().getPressedColors();
} else {
if (getModel().isRollover())
colors = AbstractLookAndFeel.getTheme().getRolloverColors();
else if (JTattooUtilities.isFrameActive(this))
colors = AbstractLookAndFeel.getTheme().getButtonColors();
else
colors = AbstractLookAndFeel.getTheme().getInActiveColors();
}
} else {
colors = AbstractLookAndFeel.getTheme().getDisabledColors();
}
JTattooUtilities.fillHorGradient(g, colors, 0, 0, getWidth(), getHeight());
paintBorder(g);
g.setColor(getForeground());
int w = 4;
int h = 3;
int x = (getWidth() - w) / 2;
int y = (getHeight() - h) / 2;
if (direction == SwingConstants.NORTH) {
for (int i = 0; i < h; i++) {
g.drawLine(x + (h - i) - 1, y + i, x + w - (h - i) + 1, y + i);
}
} else {
for (int i = 0; i < h; i++) {
g.drawLine(x + i, y + i, x + w - i, y + i);
}
}
}
}
//--------------------------------------------------------------------------
// inner classes
//--------------------------------------------------------------------------
private static class MyLayoutManager implements LayoutManager {
private Component nextButton = null;
private Component previousButton = null;
private Component editor = null;
@Override
public void addLayoutComponent(String name, Component c) {
if ("Next".equals(name)) {
nextButton = c;
} else if ("Previous".equals(name)) {
previousButton = c;
} else if ("Editor".equals(name)) {
editor = c;
}
}
@Override
public void removeLayoutComponent(Component c) {
if (c == nextButton) {
nextButton = null;
} else if (c == previousButton) {
previousButton = null;
} else if (c == editor) {
editor = null;
}
}
private Dimension preferredSize(Component c) {
return (c == null) ? zeroSize : c.getPreferredSize();
}
@Override
public Dimension preferredLayoutSize(Container parent) {
Dimension nextD = preferredSize(nextButton);
Dimension previousD = preferredSize(previousButton);
Dimension editorD = preferredSize(editor);
// Force the editors height to be a multiple of 2
editorD.height = ((editorD.height + 1) / 2) * 2;
Dimension size = new Dimension(editorD.width, editorD.height);
size.width += Math.max(nextD.width, previousD.width);
Insets insets = parent.getInsets();
size.width += insets.left + insets.right;
size.height += insets.top + insets.bottom + 4;
return size;
}
@Override
public Dimension minimumLayoutSize(Container parent) {
return preferredLayoutSize(parent);
}
private void setBounds(Component c, int x, int y, int width, int height) {
if (c != null) {
c.setBounds(x, y, width, height);
}
}
@Override
public void layoutContainer(Container parent) {
int width = parent.getWidth();
int height = parent.getHeight();
Insets insets = parent.getInsets();
Dimension nextD = preferredSize(nextButton);
Dimension previousD = preferredSize(previousButton);
int buttonsWidth = Math.max(nextD.width, previousD.width);
int editorHeight = height - (insets.top + insets.bottom);
// The arrowButtonInsets value is used instead of the JSpinner's
// insets if not null. Defining this to be (0, 0, 0, 0) causes the
// buttons to be aligned with the outer edge of the spinner's
// border, and leaving it as "null" places the buttons completely
// inside the spinner's border.
Insets buttonInsets = UIManager.getInsets("Spinner.arrowButtonInsets");
if (buttonInsets == null) {
buttonInsets = insets;
}
// Deal with the spinner's componentOrientation property.
int editorX, editorWidth, buttonsX;
if (parent.getComponentOrientation().isLeftToRight()) {
editorX = insets.left;
editorWidth = width - insets.left - buttonsWidth - buttonInsets.right;
buttonsX = width - buttonsWidth - buttonInsets.right;
} else {
buttonsX = buttonInsets.left;
editorX = buttonsX + buttonsWidth;
editorWidth = width - buttonInsets.left - buttonsWidth - insets.right;
}
int nextY = buttonInsets.top;
int nextHeight = (height / 2) + (height % 2) - nextY;
int previousY = buttonInsets.top + nextHeight;
int previousHeight = height - previousY - buttonInsets.bottom;
setBounds(editor, editorX, insets.top, editorWidth, editorHeight);
setBounds(nextButton, buttonsX, nextY, buttonsWidth, nextHeight);
setBounds(previousButton, buttonsX, previousY, buttonsWidth, previousHeight);
}
} // end of class MyLayoutManager
} // end of class BaseSpinnerUI