October 2011
Beginner
432 pages
10h 18m
English
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Handling Mouse Clicks
The last thing to take care of in the LinkRotator applet is event handling. Whenever a user clicks the Go button, the web browser should open the website shown. This is done with a method called actionPerformed(), which is called whenever the button is clicked.
The following is the actionPerformed() method of the LinkRotator applet:
public void actionPerformed(ActionEvent event) { if (runner != null) { runner = null; } AppletContext browser = getAppletContext(); if (pageLink[current] != null) { browser.showDocument(pageLink[current]); }}
The first thing that happens in this method is that the runner thread is stopped. The next statement creates a new AppletContext object called browser.
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