125 lines
2.4 KiB
Java
125 lines
2.4 KiB
Java
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package net.sourceforge.tuned.ui;
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import java.awt.Color;
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import java.awt.Cursor;
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import java.awt.Desktop;
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import java.awt.event.ActionEvent;
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import java.awt.event.MouseAdapter;
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import java.awt.event.MouseEvent;
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import java.awt.event.MouseListener;
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import java.net.URI;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import javax.swing.AbstractAction;
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import javax.swing.Action;
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import javax.swing.Icon;
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import javax.swing.JButton;
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public class LinkButton extends JButton {
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private Color color = getForeground();
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private Color rolloverColor = new Color(0x3399FF);
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public LinkButton(String text, Icon icon, URI uri) {
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this(new OpenUriAction(text, icon, uri));
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}
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public LinkButton(Action action) {
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setAction(action);
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setFocusPainted(false);
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setOpaque(false);
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setContentAreaFilled(false);
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setBorder(null);
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setHorizontalAlignment(LEFT);
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setIconTextGap(6);
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setRolloverEnabled(true);
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setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
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}
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@Override
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public void setRolloverEnabled(boolean enabled) {
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super.setRolloverEnabled(enabled);
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// always remove listener if there is one
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removeMouseListener(rolloverListener);
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if (enabled) {
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// add listener again, if enabled
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addMouseListener(rolloverListener);
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}
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}
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public Color getColor() {
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return color;
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}
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public void setColor(Color color) {
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this.color = color;
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this.setForeground(color);
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}
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public Color getRolloverColor() {
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return rolloverColor;
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}
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public void setRolloverColor(Color rolloverColor) {
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this.rolloverColor = rolloverColor;
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}
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protected final MouseListener rolloverListener = new MouseAdapter() {
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@Override
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public void mouseEntered(MouseEvent e) {
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setForeground(rolloverColor);
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}
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@Override
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public void mouseExited(MouseEvent e) {
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setForeground(color);
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}
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};
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protected static class OpenUriAction extends AbstractAction {
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public static final String URI = "uri";
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public OpenUriAction(String text, Icon icon, URI uri) {
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super(text, icon);
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putValue(URI, uri);
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}
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@Override
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public void actionPerformed(ActionEvent evt) {
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try {
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URI uri = (URI) getValue(URI);
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if (uri != null) {
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Desktop.getDesktop().browse(uri);
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}
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} catch (Exception e) {
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// should not happen
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Logger.getLogger(getClass().getName()).log(Level.SEVERE, e.toString(), e);
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}
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}
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}
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}
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