March 2015
Beginner
1200 pages
33h 33m
English
Content preview from Learn JavaFX 8: Building User Experience and Interfaces with Java 8Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Let’s use a cell factory to display nodes in the button area and the pop-up area of a combo box. Listing 12-14 will be our starting point. It declares a StringShapeCell class, which inherits from the ListCell<String> class. You need to update its content in its updateItem() method, which is automatically called. The method receives the item, which in this case is String, and a boolean argument indicating whether the cell is empty. Inside the method, you call the method in the superclass first. You derive a shape from the string argument and set the text and graphic in the cell. The shape is set as the graphic. The getShape() method returns a Shape from a String.
Listing 12-14. A Custom ListCell that Displays a Shape and Its Name
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