package dashlookup.handlers;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.swt.program.Program;
import org.eclipse.ui.ISelectionService;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.handlers.HandlerUtil;
import org.eclipse.jface.text.ITextSelection;
import org.eclipse.jface.viewers.ISelection;
/**
* Our sample handler extends AbstractHandler, an IHandler base class.
* @see org.eclipse.core.commands.IHandler
* @see org.eclipse.core.commands.AbstractHandler
*/
public class DashLookupHandler extends AbstractHandler {
/**
* The constructor.
*/
public DashLookupHandler() {
}
/**
* the command has been executed, so extract extract the needed information
* from the application context.
*/
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
IWorkbenchWindow window = HandlerUtil.getActiveWorkbenchWindowChecked(event);
ISelectionService service = window.getSelectionService();
if (service != null) {
ISelection selection = service.getSelection();
if (selection instanceof ITextSelection) {
String selectedText = ((ITextSelection) selection).getText();
if (!selectedText.isEmpty())
Program.launch("dash://" + selectedText);
}
}
return null;
}
}