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Java 9: Building Robust Modular Applications
book

Java 9: Building Robust Modular Applications

by Dr. Edward Lavieri, Peter Verhas, Jason Lee
April 2018
Intermediate to advanced content levelIntermediate to advanced
910 pages
33h 21m
English
Packt Publishing
Content preview from Java 9: Building Robust Modular Applications

Performing Actions

We'll look at PhotoViewerTopComponent in a moment, but there are a few more items we need to look at before moving on to that.

PhotoNode overrides two additional methods, which are as follows:

    @Override 
    public Action[] getActions(boolean context) { 
      return new Action[]{SystemAction.get(OpenAction.class)}; 
    } 
 
    @Override 
    public Action getPreferredAction() { 
      return SystemAction.get(OpenAction.class); 
    } 

Unsurprisingly, the getActions() method returns an array of Actions for this Node. Actions are an abstraction (from Swing, not NetBeans) that allow us to add items to menus, and provide a means for a user to interact with the system. Each entry you see in the main menu or a context menu is backed by an Action. In our case, we're ...

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Publisher Resources

ISBN: 9781788832823Supplemental ContentOtherPurchase LinkErrata Page