package com.airhacks.afterburner.views;
/*
* #%L
* afterburner.fx
* %%
* Copyright (C) 2013 Adam Bien
* %%
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* #L%
*/
import com.airhacks.afterburner.injection.Injector;
import java.io.IOException;
import java.net.URL;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
import static java.util.ResourceBundle.getBundle;
import javafx.collections.ObservableList;
import javafx.fxml.FXMLLoader;
import javafx.scene.Node;
import javafx.scene.Parent;
/**
* @author adam-bien.com
*/
public abstract class FXMLView {
public final static String DEFAULT_ENDING = "view";
protected FXMLLoader fxmlLoader;
private ResourceBundle bundle;
public FXMLView() {
this.init(getClass(), getFXMLName());
}
private void init(Class clazz, final String conventionalName) {
final URL resource = clazz.getResource(conventionalName);
String bundleName = getBundleName();
this.bundle = getResourceBundle(bundleName);
this.fxmlLoader = loadSynchronously(resource, bundle, conventionalName);
}
FXMLLoader loadSynchronously(final URL resource, ResourceBundle bundle, final String conventionalName) throws IllegalStateException {
final FXMLLoader loader = new FXMLLoader(resource, bundle);
loader.setControllerFactory((Class<?> p) -> Injector.instantiatePresenter(p));
try {
loader.load();
} catch (IOException ex) {
throw new IllegalStateException("Cannot load " + conventionalName, ex);
}
return loader;
}
public Parent getView() {
Parent parent = getLoader().getRoot();
addCSSIfAvailable(parent);
return parent;
}
/**
* Scene Builder creates for each FXML document a root container. This
* method omits the root container (e.g. AnchorPane) and gives you the
* access to its first child.
*
* @return the first child of the AnchorPane
*/
public Node getViewWithoutRootContainer() {
final ObservableList<Node> children = getView().getChildrenUnmodifiable();
if (children.isEmpty()) {
return null;
}
return children.listIterator().next();
}
void addCSSIfAvailable(Parent parent) {
URL uri = getClass().getResource(getStyleSheetName());
if (uri == null) {
return;
}
String uriToCss = uri.toExternalForm();
parent.getStylesheets().add(uriToCss);
}
String getStyleSheetName() {
return getConventionalName(".css");
}
public Object getPresenter() {
return this.getLoader().getController();
}
String getConventionalName(String ending) {
return getConventionalName() + ending;
}
String getConventionalName() {
String clazz = this.getClass().getSimpleName().toLowerCase();
return stripEnding(clazz);
}
String getBundleName() {
String conventionalName = getConventionalName();
return this.getClass().getPackage().getName() + "." + conventionalName;
}
static String stripEnding(String clazz) {
if (!clazz.endsWith(DEFAULT_ENDING)) {
return clazz;
}
int viewIndex = clazz.lastIndexOf(DEFAULT_ENDING);
return clazz.substring(0, viewIndex);
}
final String getFXMLName() {
return getConventionalName(".fxml");
}
public static ResourceBundle getResourceBundle(String name) {
try {
return getBundle(name);
} catch (MissingResourceException ex) {
return null;
}
}
/**
*
* @return an existing resource bundle, or null
*/
public ResourceBundle getResourceBundle() {
return this.bundle;
}
FXMLLoader getLoader() {
return this.fxmlLoader;
}
}