package net.oni2.swingcomponents;
import java.awt.Color;
import java.awt.Desktop;
import java.awt.Font;
import java.io.IOException;
import java.net.URISyntaxException;
import javax.swing.JEditorPane;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.UIDefaults;
import javax.swing.border.Border;
import javax.swing.event.HyperlinkEvent;
import javax.swing.event.HyperlinkListener;
import javax.swing.text.DefaultCaret;
import javax.swing.text.html.CSS;
import javax.swing.text.html.HTMLEditorKit;
import javax.swing.text.html.StyleSheet;
/**
* @author Christian Illy
*/
public class HTMLLinkLabel extends JEditorPane {
private static final long serialVersionUID = 2416829757362043910L;
private String prefix;
private String suffix;
private boolean borderEnabled = true;
/**
* Create a new HTMLLinkLabel
*/
public HTMLLinkLabel() {
super();
((DefaultCaret) this.getCaret())
.setUpdatePolicy(DefaultCaret.NEVER_UPDATE);
setContentType("text/html");
Font font = new JLabel().getFont();
StringBuffer style = new StringBuffer("font-family:" + font.getFamily()
+ ";");
style.append("font-weight:" + (font.isBold() ? "bold" : "normal") + ";");
style.append("font-size:" + font.getSize() + "pt;");
style.append("margin: 0; padding: 0;");
prefix = "";
suffix = "";
addHyperlinkListener(new HyperlinkListener() {
@Override
public void hyperlinkUpdate(HyperlinkEvent e) {
if (e.getEventType().equals(HyperlinkEvent.EventType.ACTIVATED))
try {
Desktop.getDesktop().browse(e.getURL().toURI());
} catch (IOException e1) {
e1.printStackTrace();
} catch (URISyntaxException e1) {
e1.printStackTrace();
}
}
});
setEditable(false);
Color bgColor = ColorCopy.copyColor(new JFrame().getBackground());
UIDefaults defaults = new UIDefaults();
defaults.put("EditorPane[Enabled].backgroundPainter", bgColor);
putClientProperty("Nimbus.Overrides", defaults);
putClientProperty("Nimbus.Overrides.InheritDefaults", true);
setBackground(bgColor);
}
/**
* Add or reset a CSS attribute for styling the text
*
* @param selector
* CSS selector
* @param attribute
* CSS attribute
* @param value
* Value
*/
public void setCssAttribute(String selector, CSS.Attribute attribute,
String value) {
HTMLEditorKit hek = (HTMLEditorKit) getEditorKit();
StyleSheet css = hek.getStyleSheet();
css.addRule(String.format("%s {%s: %s}", selector, attribute.toString(), value));
}
/**
* Allow or forbid to set a non-null border
*
* @param enable
* Non-null border allowed?
*/
public void enableBorder(boolean enable) {
this.borderEnabled = enable;
if (!enable)
setBorder(null);
}
@Override
public void setBorder(Border border) {
if (borderEnabled || border == null)
super.setBorder(border);
}
@Override
public void setText(String t) {
if (t.startsWith(""))
t = t.replaceFirst("
", "
");
super.setText(prefix + t + suffix);
}
}