Trigger follow-up actions to other commands: https://issues.jboss.org/browse/FORGE-2506

JPAExtensionCommand.java

package org.myaddon;

import javax.inject.Inject;

import org.jboss.forge.addon.ui.command.AbstractUICommand;
import org.jboss.forge.addon.ui.context.UIBuilder;
import org.jboss.forge.addon.ui.context.UIExecutionContext;
import org.jboss.forge.addon.ui.context.UINavigationContext;
import org.jboss.forge.addon.ui.input.UIInput;
import org.jboss.forge.addon.ui.metadata.WithAttributes;
import org.jboss.forge.addon.ui.result.NavigationResult;
import org.jboss.forge.addon.ui.result.Result;
import org.jboss.forge.addon.ui.result.Results;
import org.jboss.forge.addon.ui.wizard.UIWizardStep;

public class JPAExtensionCommand extends AbstractUICommand implements UIWizardStep {

	@Inject
	@WithAttributes(label = "Enable Hibernate Search?")
	private UIInput<Boolean> enableSearch;

	@Inject
	private UIInput<String> name;

	@Override
	public NavigationResult next(UINavigationContext context) throws Exception {
		return null;
	}

	@Override
	public void initializeUI(UIBuilder builder) throws Exception {
		name.setEnabled(() -> enableSearch.getValue());
		builder.add(enableSearch).add(name);
	}

	@Override
	public Result execute(UIExecutionContext context) throws Exception {
		String msg;
		if (enableSearch.getValue()) {
			msg = "Search Enabled, " + name.getValue();
		} else {
			msg = "Search Disabled, " + name.getValue();
		}
		return Results.success(msg);
	}

}

JPAExtensionTransformer.java

package org.myaddon;

import org.jboss.forge.addon.javaee.jpa.ui.setup.JPASetupWizard;
import org.jboss.forge.addon.ui.context.UINavigationContext;
import org.jboss.forge.addon.ui.result.NavigationResult;
import org.jboss.forge.addon.ui.result.navigation.NavigationResultBuilder;
import org.jboss.forge.addon.ui.result.navigation.NavigationResultTransformer;

public class JPANavigationResultTransformer implements NavigationResultTransformer {

	@Override
	public boolean handles(UINavigationContext context) {
		return (context.getCurrentCommand() instanceof JPASetupWizard);
	}

	@Override
	public NavigationResult transform(UINavigationContext context, NavigationResult currentFlow) {
		return NavigationResultBuilder.create(currentFlow).add(JPAExtensionCommand.class).build();
	}

	@Override
	public int priority() {
		return 0;
	}
}

NavigationResultTransformer.java

/*
 * Copyright 2015 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Eclipse Public License version 1.0, available at
 * http://www.eclipse.org/legal/epl-v10.html
 */

package org.jboss.forge.addon.ui.result.navigation;

import org.jboss.forge.addon.ui.context.UINavigationContext;
import org.jboss.forge.addon.ui.result.NavigationResult;
import org.jboss.forge.addon.ui.wizard.UIWizard;

/**
 * Implementations can enrich a wizard flow by adding steps after a command is navigated
 * 
 * @author <a href="mailto:[email protected]">George Gastaldi</a>
 */
public interface NavigationResultTransformer
{
   /**
    * If this {@link NavigationResultTransformer} applies to the specified {@link UINavigationContext}
    * 
    * @param context the {@link UINavigationContext} to be used
    * @return <code>true</code> if {@link CommandFlowEnricher#next(UINavigationContext)} should be called
    */
   boolean handles(UINavigationContext context);

   /**
    * Transforms {@link NavigationResult} objects during a {@link UIWizard} navigation flow
    * 
    * @param context the current {@link UINavigationContext} for the given flow
    * @param original the current {@link NavigationResult} returned from the given flow
    * @return a {@link NavigationResult} object with the proposed navigation flow
    */
   NavigationResult transform(UINavigationContext context, NavigationResult original);

   /**
    * The priority
    */
   int priority();
}