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jtstand-desktop is a gui library, an extension of swing. jtstand-desktop is derived from swingx.
/*
* Copyright (c) 2009 Albert Kurucz.
*
* This file, JXGradientChooser.java is part of JTStand.
*
* JTStand 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 3 of the License, or
* (at your option) any later version.
*
* JTStand 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 JTStand. If not, see A specialized JXPanel that allows the user to construct and choose a Gradient.
* The returned values will be one of: LinearGradientPaint or RadialGradientPaint.
*
* Dependency: Because this class relies on LinearGradientPaint and
* RadialGradientPaint, it requires the optional MultipleGradientPaint.jar
*
* @author joshy
*/
public class JXGradientChooser extends JXPanel {
private enum GradientStyle { Linear, Radial }
/**
* The multi-thumb slider to use for the gradient stops
*/
private JXMultiThumbSlider slider;
private JButton deleteThumbButton;
private JButton addThumbButton;
private JTextField colorField;
private JXColorSelectionButton changeColorButton;
private JSpinner colorLocationSpinner;
private JSpinner alphaSpinner;
private JSlider alphaSlider;
private JComboBox styleCombo;
private GradientPreviewPanel gradientPreview;
private JRadioButton noCycleRadio;
private JRadioButton reflectedRadio;
private JRadioButton repeatedRadio;
private JCheckBox reversedCheck;
private MultipleGradientPaint gradient;
/**
* Creates new JXGradientChooser
*/
public JXGradientChooser() {
initComponents2();
}
/**
* Returns the MultipleGradientPaint currently choosen by the user.
* @return the currently selected gradient
*/
public MultipleGradientPaint getGradient() {
return gradient;
}
private boolean thumbsMoving = false;
private Logger log = Logger.getLogger(JXGradientChooser.class.getName());
/**
* Sets the gradient within this panel to the new gradient. This will delete
* the old gradient all of it's settings, resetting the slider, gradient
* type selection, and other gradient configuration options to match the
* new gradient.
*
* @param mgrad The desired gradient.
*/
public void setGradient(MultipleGradientPaint mgrad) {
if(gradient == mgrad) {
return;
}
float[] fracts = mgrad.getFractions();
Color[] colors = mgrad.getColors();
if(!thumbsMoving) {
// update the slider properly
if(slider.getModel().getThumbCount() !=
mgrad.getColors().length) {
// removing all thumbs;
while(slider.getModel().getThumbCount() > 0) {
slider.getModel().removeThumb(0);
}
// add them back
for(int i=0; i thumb) {
if(thumb == null) {
updateFromStop(-1,-1,Color.black);
} else {
updateFromStop(1,thumb.getPosition(),thumb.getObject());
}
}
private void updateFromStop(int thumb, float position, Color color) {
log.fine("updating: " + thumb + " " + position + " " + color);
if(thumb == -1) {
colorLocationSpinner.setEnabled(false);
alphaSpinner.setEnabled(false);
alphaSlider.setEnabled(false);
colorField.setEnabled(false);
changeColorButton.setEnabled(false);
changeColorButton.setBackground(Color.black);
deleteThumbButton.setEnabled(false);
} else {
colorLocationSpinner.setEnabled(true);
alphaSpinner.setEnabled(true);
alphaSlider.setEnabled(true);
colorField.setEnabled(true);
changeColorButton.setEnabled(true);
colorLocationSpinner.setValue((int)(100*position));
colorField.setText(Integer.toHexString(color.getRGB()).substring(2));
alphaSpinner.setValue(color.getAlpha()*100/255);
alphaSlider.setValue(color.getAlpha()*100/255);
changeColorButton.setBackground(color);
deleteThumbButton.setEnabled(true);
}
updateDeleteButtons();
recalcGradientFromStops();
}
private void updateDeleteButtons() {
if(slider.getModel().getThumbCount() <= 2) {
deleteThumbButton.setEnabled(false);
}
}
private void updateGradientProperty() {
firePropertyChange("gradient",null,getGradient());
gradientPreview.repaint();
}
/** This method is called from within the constructor to
* initialize the form.
*/
private JPanel topPanel, previewPanel;
private void initComponents() {
// declarations for anonymous components
JPanel jPanel1, jPanel2, jPanel3, jPanel4;
JLabel jLabel1, jLabel5, jLabel2, jLabel6, jLabel4, jLabel7, jLabel8, jLabel9;
ButtonGroup typeGroup;
// pre-init stuff
slider = new JXMultiThumbSlider();
gradientPreview = new GradientPreviewPanel();
gradientPreview.setMultiThumbModel(slider.getModel());
java.awt.GridBagConstraints gridBagConstraints;
typeGroup = new javax.swing.ButtonGroup();
jPanel1 = new javax.swing.JPanel();
topPanel = new javax.swing.JPanel();
jPanel2 = new javax.swing.JPanel();
jLabel1 = new javax.swing.JLabel();
jLabel5 = new javax.swing.JLabel();
colorField = new javax.swing.JTextField();
jLabel2 = new javax.swing.JLabel();
jLabel6 = new javax.swing.JLabel();
colorLocationSpinner = new javax.swing.JSpinner();
jLabel4 = new javax.swing.JLabel();
jLabel7 = new javax.swing.JLabel();
alphaSpinner = new javax.swing.JSpinner();
changeColorButton = new JXColorSelectionButton();
alphaSlider = new javax.swing.JSlider();
//slider = new javax.swing.JSlider();
jPanel4 = new javax.swing.JPanel();
addThumbButton = new javax.swing.JButton();
deleteThumbButton = new javax.swing.JButton();
previewPanel = new javax.swing.JPanel();
jPanel3 = new javax.swing.JPanel();
jLabel8 = new javax.swing.JLabel();
styleCombo = new javax.swing.JComboBox();
jLabel9 = new javax.swing.JLabel();
noCycleRadio = new javax.swing.JRadioButton();
reflectedRadio = new javax.swing.JRadioButton();
repeatedRadio = new javax.swing.JRadioButton();
reversedCheck = new javax.swing.JCheckBox();
//gradientPreview = new javax.swing.JPanel();
//setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jPanel1.setLayout(new java.awt.GridBagLayout());
topPanel.setLayout(new java.awt.GridBagLayout());
topPanel.setBorder(javax.swing.BorderFactory.createTitledBorder("Gradient"));
jPanel2.setLayout(new java.awt.GridBagLayout());
jLabel1.setText("Color:");
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 0;
gridBagConstraints.gridy = 0;
gridBagConstraints.ipadx = 2;
gridBagConstraints.ipady = 2;
gridBagConstraints.anchor = java.awt.GridBagConstraints.EAST;
gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
jPanel2.add(jLabel1, gridBagConstraints);
jLabel5.setText("#");
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 1;
gridBagConstraints.gridy = 0;
gridBagConstraints.insets = new java.awt.Insets(4, 0, 4, 4);
jPanel2.add(jLabel5, gridBagConstraints);
colorField.setColumns(6);
colorField.setEnabled(false);
colorField.setPreferredSize(null);
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridy = 0;
gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
jPanel2.add(colorField, gridBagConstraints);
jLabel2.setText("Location:");
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridy = 1;
gridBagConstraints.anchor = java.awt.GridBagConstraints.EAST;
gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
jPanel2.add(jLabel2, gridBagConstraints);
jLabel6.setText("%");
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridy = 1;
jPanel2.add(jLabel6, gridBagConstraints);
colorLocationSpinner.setEnabled(false);
colorLocationSpinner.setPreferredSize(null);
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridy = 1;
gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
jPanel2.add(colorLocationSpinner, gridBagConstraints);
jLabel4.setText("Opacity:");
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridy = 2;
gridBagConstraints.anchor = java.awt.GridBagConstraints.EAST;
gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
jPanel2.add(jLabel4, gridBagConstraints);
jLabel7.setText("%");
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridy = 2;
jPanel2.add(jLabel7, gridBagConstraints);
alphaSpinner.setEnabled(false);
alphaSpinner.setPreferredSize(null);
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridy = 2;
gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
jPanel2.add(alphaSpinner, gridBagConstraints);
changeColorButton.setText("00");
changeColorButton.setEnabled(false);
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.fill = java.awt.GridBagConstraints.NONE;
gridBagConstraints.weightx = 1.0;
gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
gridBagConstraints.insets = new java.awt.Insets(0, 4, 0, 0);
jPanel2.add(changeColorButton, gridBagConstraints);
alphaSlider.setEnabled(false);
alphaSlider.setPreferredSize(new java.awt.Dimension(20, 25));
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridy = 2;
gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
gridBagConstraints.weightx = 1.0;
jPanel2.add(alphaSlider, gridBagConstraints);
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 0;
gridBagConstraints.gridy = 2;
gridBagConstraints.gridwidth = 2;
gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;
gridBagConstraints.weightx = 1.0;
gridBagConstraints.weighty = 1.0;
gridBagConstraints.insets = new java.awt.Insets(5, 5, 5, 5);
topPanel.add(jPanel2, gridBagConstraints);
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridy = 0;
gridBagConstraints.gridwidth = 2;
gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
topPanel.add(slider, gridBagConstraints);
jPanel4.setLayout(new java.awt.GridLayout(1, 0, 2, 0));
addThumbButton.setText("Add");
jPanel4.add(addThumbButton);
deleteThumbButton.setText("Delete");
jPanel4.add(deleteThumbButton);
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridy = 1;
gridBagConstraints.anchor = java.awt.GridBagConstraints.EAST;
gridBagConstraints.weightx = 1.0;
gridBagConstraints.insets = new java.awt.Insets(5, 5, 5, 5);
topPanel.add(jPanel4, gridBagConstraints);
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
gridBagConstraints.weightx = 1.0;
jPanel1.add(topPanel, gridBagConstraints);
previewPanel.setLayout(new java.awt.GridBagLayout());
previewPanel.setBorder(javax.swing.BorderFactory.createTitledBorder("Preview"));
jPanel3.setLayout(new java.awt.GridBagLayout());
jLabel8.setText("Style:");
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridy = 0;
gridBagConstraints.anchor = java.awt.GridBagConstraints.EAST;
gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
jPanel3.add(jLabel8, gridBagConstraints);
styleCombo.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Linear", "Radial" }));
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridy = 0;
gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
jPanel3.add(styleCombo, gridBagConstraints);
jLabel9.setText("Type:");
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridy = 1;
gridBagConstraints.anchor = java.awt.GridBagConstraints.EAST;
gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
jPanel3.add(jLabel9, gridBagConstraints);
typeGroup.add(noCycleRadio);
noCycleRadio.setSelected(true);
noCycleRadio.setText("None");
noCycleRadio.setBorder(javax.swing.BorderFactory.createEmptyBorder(0, 0, 0, 0));
noCycleRadio.setMargin(new java.awt.Insets(0, 0, 0, 0));
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridy = 1;
gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
jPanel3.add(noCycleRadio, gridBagConstraints);
typeGroup.add(reflectedRadio);
reflectedRadio.setText("Reflect");
reflectedRadio.setBorder(javax.swing.BorderFactory.createEmptyBorder(0, 0, 0, 0));
reflectedRadio.setMargin(new java.awt.Insets(0, 0, 0, 0));
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 1;
gridBagConstraints.gridy = 2;
gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
jPanel3.add(reflectedRadio, gridBagConstraints);
typeGroup.add(repeatedRadio);
repeatedRadio.setText("Repeat");
repeatedRadio.setBorder(javax.swing.BorderFactory.createEmptyBorder(0, 0, 0, 0));
repeatedRadio.setMargin(new java.awt.Insets(0, 0, 0, 0));
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 1;
gridBagConstraints.gridy = 3;
gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
jPanel3.add(repeatedRadio, gridBagConstraints);
reversedCheck.setText("Reverse");
reversedCheck.setBorder(javax.swing.BorderFactory.createEmptyBorder(0, 0, 0, 0));
reversedCheck.setMargin(new java.awt.Insets(0, 0, 0, 0));
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 1;
gridBagConstraints.gridy = 4;
gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
jPanel3.add(reversedCheck, gridBagConstraints);
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;
previewPanel.add(jPanel3, gridBagConstraints);
gradientPreview.setBorder(javax.swing.BorderFactory.createEtchedBorder());
gradientPreview.setPreferredSize(new java.awt.Dimension(130, 130));
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
gridBagConstraints.weightx = 10.0;
gridBagConstraints.weighty = 10.0;
previewPanel.add(gradientPreview, gridBagConstraints);
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridy = 1;
gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTH;
gridBagConstraints.weightx = 1.0;
gridBagConstraints.weighty = 1.0;
jPanel1.add(previewPanel, gridBagConstraints);
}//
private void initComponents2() {
this.initComponents();
setLayout(new BorderLayout());
add(topPanel, BorderLayout.NORTH);
add(previewPanel, BorderLayout.CENTER);
// do event handling stuff
//create the actions and load them in the action map
AddThumbAction addThumbAction = new AddThumbAction();
DeleteThumbAction deleteThumbAction = new DeleteThumbAction();
deleteThumbAction.setEnabled(false); //disabled to begin with
//TODO Add to the action map with proper keys, etc
ActionMap actions = getActionMap();
actions.put("add-thumb", addThumbAction);
actions.put("delete-thumb", deleteThumbAction);
//actions.put("change-color", changeColorAction);
addThumbButton.setAction(addThumbAction);
deleteThumbButton.setAction(deleteThumbAction);
changeColorButton.addPropertyChangeListener("background", new PropertyChangeListener() {
public void propertyChange(PropertyChangeEvent evt) {
selectColorForThumb();
updateGradientProperty();
}
});
colorLocationSpinner.addChangeListener(new ChangeLocationListener());
ChangeAlphaListener changeAlphaListener = new ChangeAlphaListener();
alphaSpinner.addChangeListener(changeAlphaListener);
alphaSlider.addChangeListener(changeAlphaListener);
RepaintOnEventListener repaintListener = new RepaintOnEventListener();
styleCombo.addItemListener(repaintListener);
styleCombo.setModel(new DefaultComboBoxModel(GradientStyle.values()));
noCycleRadio.addActionListener(repaintListener);
reflectedRadio.addActionListener(repaintListener);
repeatedRadio.addActionListener(repaintListener);
reversedCheck.addActionListener(repaintListener);
gradientPreview.picker = this; //wow, nasty
///To still refactor below::
SpinnerNumberModel alpha_model = new SpinnerNumberModel(100,0,100,1);
alphaSpinner.setModel(alpha_model);
SpinnerNumberModel location_model = new SpinnerNumberModel(100,0,100,1);
colorLocationSpinner.setModel(location_model);
slider.setOpaque(false);
slider.setPreferredSize(new Dimension(100,35));
slider.getModel().setMinimumValue(0f);
slider.getModel().setMaximumValue(1.0f);
slider.getModel().addThumb(0,Color.black);
slider.getModel().addThumb(0.5f,Color.red);
slider.getModel().addThumb(1.0f,Color.white);
slider.setThumbRenderer(new GradientThumbRenderer());
slider.setTrackRenderer(new GradientTrackRenderer());
slider.addMultiThumbListener(new StopListener());
// called when the gradient property of the preview pane changes
gradientPreview.addPropertyChangeListener("gradient", new PropertyChangeListener() {
public void propertyChange(PropertyChangeEvent propertyChangeEvent) {
recalcGradientFromStops();
}
});
recalcGradientFromStops();
}
// called whenever the color location spinner is changed
private final class ChangeLocationListener implements ChangeListener {
public void stateChanged(ChangeEvent evt) {
if(slider.getSelectedIndex() >= 0) {
Thumb thumb = slider.getModel().getThumbAt(slider.getSelectedIndex());
thumb.setPosition((Integer)colorLocationSpinner.getValue()/100f);
updateFromStop(thumb);
updateGradientProperty();
}
}
}
// called when the alpha slider moves
private final class ChangeAlphaListener implements ChangeListener {
public void stateChanged(ChangeEvent changeEvent) {
if(slider.getSelectedIndex() >= 0 && !thumbsMoving) {
// get the selected thumb
Thumb thumb = slider.getModel().getThumbAt(slider.getSelectedIndex());
// get the new alpha value
int alpha = changeEvent.getSource() == alphaSpinner ?
(Integer)alphaSpinner.getValue()
: alphaSlider.getValue();
// calc new color and set it on thumb
Color col = thumb.getObject();
col = ColorUtil.setAlpha(col, alpha*255/100);
thumb.setObject(col);
// set the new alpha value on the other alpha control
if (changeEvent.getSource() == alphaSpinner) {
alphaSlider.setValue(alpha);
} else {
alphaSpinner.setValue(alpha);
}
recalcGradientFromStops();
}
}
}
private final class AddThumbAction extends AbstractActionExt {
public AddThumbAction() {
super("Add");
}
public void actionPerformed(ActionEvent actionEvent) {
float pos = 0.2f;
Color color = Color.black;
int num = slider.getModel().addThumb(pos,color);
log.fine("new number = " + num);
/*
for (int i = 0; i < slider.getModel().getThumbCount(); i++) {
float pos2 = slider.getModel().getThumbAt(i).getPosition();
if (pos2 < pos) {
continue;
}
slider.getModel().insertThumb(pos, color, i);
updateFromStop(i,pos,color);
break;
}
*/
}
}
private final class DeleteThumbAction extends AbstractActionExt {
public DeleteThumbAction() {
super("Delete");
}
public void actionPerformed(ActionEvent actionEvent) {
int index = slider.getSelectedIndex();
if (index >= 0) {
slider.getModel().removeThumb(index);
updateFromStop(-1,-1,null);
}
}
}
private class StopListener implements ThumbListener {
public StopListener() {
super();
}
public void thumbMoved(int thumb, float pos) {
log.fine("moved: " + thumb + " " + pos);
Color color = slider.getModel().getThumbAt(thumb).getObject();
thumbsMoving = true;
updateFromStop(thumb,pos,color);
updateDeleteButtons();
thumbsMoving = false;
}
public void thumbSelected(int thumb) {
if(thumb == -1) {
updateFromStop(-1,-1,Color.black);
return;
}
thumbsMoving = true;
float pos = slider.getModel().getThumbAt(thumb).getPosition();
Color color = slider.getModel().getThumbAt(thumb).getObject();
log.fine("selected = " + thumb + " " + pos + " " + color);
updateFromStop(thumb,pos,color);
updateDeleteButtons();
slider.repaint();
thumbsMoving = false;
}
public void mousePressed(MouseEvent e) {
if(e.getClickCount() > 1) {
selectColorForThumb();
}
}
}
private final class RepaintOnEventListener implements ActionListener, ItemListener {
public void actionPerformed(ActionEvent e) {
gradientPreview.setReflected(reflectedRadio.isSelected());
gradientPreview.setReversed(reversedCheck.isSelected());
gradientPreview.setRepeated(repeatedRadio.isSelected());
//updateGradientProperty();
recalcGradientFromStops();
gradientPreview.repaint();
}
public void itemStateChanged(ItemEvent e) {
if(styleCombo.getSelectedItem() == GradientStyle.Radial) {
gradientPreview.setRadial(true);
} else {
gradientPreview.setRadial(false);
}
recalcGradientFromStops();
}
}
private void selectColorForThumb() {
int index = slider.getSelectedIndex();
if (index >= 0) {
Color color = changeColorButton.getBackground();
slider.getModel().getThumbAt(index).setObject(color);
updateFromStop(index, slider.getModel().getThumbAt(index).getPosition(), color);
}
}
/**
* This static utility method cannot be called from the
* ETD, or your application will lock up. Call it from a separate
* thread or create a new Thread with a Runnable.
* @param comp The component to use when finding a top level window or frame for
* the dialog.
* @param title The desired title of the gradient chooser dialog.
* @param mgrad The gradient to initialize the chooser too.
* @return The gradient the user chose.
*/
public static MultipleGradientPaint showDialog(Component comp, String title, MultipleGradientPaint mgrad) {
Component root = SwingUtilities.getRoot(comp);
final JDialog dialog = new JDialog((JFrame)root,title,true);
final JXGradientChooser picker = new JXGradientChooser();
if(mgrad != null) {
picker.setGradient(mgrad);
}
dialog.add(picker);
JPanel panel = new JPanel();
JButton cancel = new JButton("Cancel");
cancel.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent actionEvent) {
dialog.setVisible(false);
}
});
JButton okay = new JButton("Ok");
okay.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent actionEvent) {
dialog.setVisible(false);
}
});
okay.setDefaultCapable(true);
GridLayout gl = new GridLayout();
gl.setHgap(2);
panel.setLayout(gl);
panel.add(cancel);
panel.add(okay);
JPanel p2 = new JPanel();
p2.setLayout(new GridBagLayout());
GridBagConstraints gbc = new GridBagConstraints();
gbc.anchor = GridBagConstraints.EAST;
gbc.weightx = 1.0;
p2.add(panel,gbc);
dialog.add(p2,"South");
dialog.getRootPane().setDefaultButton(okay);
dialog.pack();
dialog.setResizable(false);
dialog.setVisible(true);
return picker.getGradient();
}
/**
* Creates a string representation of a {@code MultipleGradientPaint}. This
* string is used for debugging purposes. Its contents cannot be guaranteed
* between releases.
*
* @param paint
* the {@code paint} to create a string for
* @return a string representing the supplied {@code paint}
*/
public static String toString(MultipleGradientPaint paint) {
StringBuffer buffer = new StringBuffer();
buffer.append(paint.getClass().getName());
Color[] colors = paint.getColors();
float[] values = paint.getFractions();
buffer.append("[");
for(int i=0; i