Load FXML views

AbstractApplicationModule.java

package com.antonjohansson.svncommit2.core.ioc;

import com.antonjohansson.svncommit2.core.ui.IView;

import java.io.IOException;
import java.net.URL;

import com.google.inject.AbstractModule;
import com.google.inject.Provider;

import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;

/**
 * Extension of {@link AbstractModule} that provides extra utility methods
 * for binding in the {@code svn-commit} application.
 *
 * @author Anton Johansson
 */
public abstract class AbstractApplicationModule extends AbstractModule
{
	/**
	 * Binds a view instance.
	 *
	 * @param viewClass The class of the view.
	 */
	protected <V extends IView> void view(Class<V> viewClass)
	{
		bind(viewClass).toProvider(new ViewProvider<V>(viewClass));
	}

	/**
	 * Provides {@link IView} implementations through FXML.
	 *
	 * @param <V> The view to provide.
	 * @author Anton Johansson
	 */
	private class ViewProvider<V extends IView> implements Provider<V>
	{
		private final Class<V> viewClass;

		private ViewProvider(Class<V> viewClass)
		{
			this.viewClass = viewClass;
		}

		@Override
		public V get()
		{
			String name = viewClass.getSimpleName() + ".fxml";
			URL location = viewClass.getResource(name);
			try
			{
				FXMLLoader loader = new FXMLLoader(location);
				Parent parent = loader.load();
				V view = loader.getController();
				view.setParent(parent);
				return view;
			}
			catch (IOException e)
			{
				throw new RuntimeException(e);
			}
		}
	}
}