com.fishbeans.app.FXMLComponentBase.java Source code

Introduction

Here is the source code for com.fishbeans.app.FXMLComponentBase.java

Source

/*
 * Copyright 2015 the original author or authors.
 *
 * 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.
 */
package com.fishbeans.app;

import com.fishbeans.app.ui.controllers.ViewController;
import com.fishbeans.util.ResourceUtils;
import javafx.fxml.FXMLLoader;
import javafx.geometry.Rectangle2D;
import javafx.scene.Parent;
import javafx.stage.Screen;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;

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

/**
 *
 * hijack the fxml classloader to allow sprng cdi in controllers
 */
public abstract class FXMLComponentBase implements ApplicationContextAware {

    private static final String FXML_DIR = "fxml/";

    protected FXMLLoader fxmlLoader;
    protected URL fxmlView;
    private ApplicationContext applicationContext;
    protected Rectangle2D bounds;

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {

        if (this.applicationContext != null) {
            return;
        }

        this.applicationContext = applicationContext;
    }

    public FXMLComponentBase() {
        String firstPath = getClass().getSimpleName().toLowerCase();
        firstPath = firstPath + ".fxml";
        String fullPath = FXML_DIR + firstPath;

        //System.out.println(fullPath);
        //Gets resource from classpath.
        this.fxmlView = ResourceUtils.getResource(fullPath);

    }

    public Parent getRootNode() {

        setupFxmlReloader();

        Parent parent = fxmlLoader.getRoot();
        Screen screen = Screen.getPrimary();
        Rectangle2D bounds = screen.getVisualBounds();
        ViewController controller = (ViewController) fxmlLoader.getController();
        controller.set2DBounds(bounds);

        return parent;
    }

    private Object createControllerAsBean(Class<?> type) {
        return this.applicationContext.getBean(type);
    }

    private FXMLLoader doLoad(URL fxml) throws IllegalStateException {

        FXMLLoader loader = new FXMLLoader(fxml);
        loader.setControllerFactory(this::createControllerAsBean);

        try {
            loader.load();
        } catch (IOException ex) {
            throw new IllegalStateException(ex);
        }

        return loader;
    }

    private void setupFxmlReloader() {

        if (this.fxmlLoader != null) {
            return;
        }

        this.fxmlLoader = doLoad(fxmlView);

    }

    public void set2DBounds(Rectangle2D bounds) {
        this.bounds = bounds;
    }
}