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Geertjan's Blog

  • May 30, 2012

Getting Started Plugging into the "Find in Projects" Dialog

Geertjan Wielenga
Product Manager

In case you missed it amidst all the code in yesterday's blog entry, the "Find in Projects" dialog is now pluggable. I think that's really cool. The code yesterday gives you a complete example, but let's break it down a bit and deconstruct down to a very simple hello world scenario.

We'll end up with as many extra tabs in the "Find in Projects" dialog as we need, for example, three in this case: 

And clicking on any of those extra tabs will, in this simple example, simply show us this:

Once we have that, we'll be able to continue adding small bits of code over the next few blog entries until we have something more useful. So, in this blog entry, you'll literally be able to display "Hello World" within a new tab in the "Find in Projects" dialog:

import javax.swing.JComponent;
import javax.swing.JLabel;
import org.netbeans.spi.search.provider.SearchComposition;
import org.netbeans.spi.search.provider.SearchProvider;
import org.netbeans.spi.search.provider.SearchProvider.Presenter;
import org.openide.NotificationLineSupport;
import org.openide.util.lookup.ServiceProvider;
@ServiceProvider(service = SearchProvider.class)
public class ExampleSearchProvider1 extends SearchProvider {
@Override
public Presenter createPresenter(boolean replaceMode) {
return new ExampleSearchPresenter(this);
}
@Override
public boolean isReplaceSupported() {
return false;
}
@Override
public boolean isEnabled() {
return true;
}
@Override
public String getTitle() {
return "Demo Extension 1";
}
public class ExampleSearchPresenter extends SearchProvider.Presenter {
private ExampleSearchPresenter(ExampleSearchProvider1 sp) {
super(sp, true);
}
@Override
public JComponent getForm() {
return new JLabel("Hello World");
}
@Override
public SearchComposition composeSearch() {
return null;
}
@Override
public boolean isUsable(NotificationLineSupport nls) {
return true;
}
}
}

That's it, not much code, works fine in NetBeans IDE 7.2 Beta, and is easier to digest than the big chunk from yesterday. If you make three classes like the above in a NetBeans module, and you install it, you'll have three new tabs in the "Find in Projects" dialog. The only required dependencies are Dialogs API, Lookup API, and Search in Projects API. Read the javadoc linked above and then in next blog entries we'll continue to build out something like the sample you saw in yesterday's blog entry.

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