在Java中单击时更改链接的颜色

Question

Okay, I know the title of the post is very familiar. I saw a lot of posts on this subject, but non of them covered the code in Java. I have this HyperlinkListener class :

private void editorpaneHyperlinkUpdate(javax.swing.event.HyperlinkEvent evt) {
   // TODO add your handling code here:
   if (evt.getEventType() ==
                       HyperlinkEvent.EventType.ACTIVATED) {
                                    try {
                                        try {
    java.awt.Desktop.getDesktop().browse(evt.getURL().toURI());
                                           } catch (IOException ex) {
    Logger.getLogger(MyAssistantGUI.class.getName()).log(Level.SEVERE, null, ex);
                                        } 
                                 catch (URISyntaxException ex) {
    Logger.getLogger(MyAssistantGUI.class.getName()).log(Level.SEVERE, null, ex);
                        }
              System.out.println("Open browser: " + evt.getURL());

I tried to add Style-sheet to my JEditorPane and then add a:active {color: #f00;} , but it does not work. Then i saw in the API that java does not support a:active/hoover ..etc. Can you give me suggestions, on how to change the color when the user clicks the link?

Answer 1

In the listener you can get position in the text. Then cast your JEditorPane's Document to StyledDocument and use getCharacterElement() passing the offset you have. For the Element you can change attributes eg background or foreground using setCharacterAttributes() method.