RandomFadingService.java

/**
 * Get more info at : www.jrebirth.org .
 * Copyright JRebirth.org © 2011-2013
 * Contact : sebastien.bordes@jrebirth.org
 *
 * 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 org.jrebirth.af.transition.slicer;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import javafx.animation.KeyFrame;
import javafx.animation.Timeline;
import javafx.animation.TimelineBuilder;
import javafx.beans.property.DoubleProperty;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.scene.Node;

import org.jrebirth.af.core.service.DefaultService;

/**
 * The class <strong>ImageSlicerService</strong>.
 *
 * @author Sébastien Bordes
 */
public class RandomFadingService extends DefaultService {

    /** The nodes. */
    private final ObservableList<Node> nodes = FXCollections.observableArrayList();

    /** The timeline. */
    private Timeline timeline;

    /**
     * Gets the timeline.
     *
     * @return Returns the timeline.
     */
    public Timeline getTimeline() {
        return this.timeline;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void initService() {
        // Nothing to do
    }

    /**
     * Set the nodes.
     *
     * @param nodesToAdd the new nodes
     */
    public void setNodes(final List<? extends Node> nodesToAdd) {
        for (final Node n : nodesToAdd) {
            this.nodes.add(n);
        }
    }

    /**
     * Do it.
     */
    public void doIt() {

        Collections.shuffle(this.nodes);

        final List<DoubleProperty> opacities = new ArrayList<>();

        // DoubleProperty dp;
        int idx = 0;

        final int nodesCount = this.nodes.size();
        final int groupCount = nodesCount / 2;

        for (int i = 0; i < groupCount; i++) {
            // dp = new SimpleDoubleProperty(1.0);
            for (int j = idx; j < 20 && j < this.nodes.size(); j++) {
                // nodes.get(j).opacityProperty().bind(dp);
                // nodes.get(j).scaleXProperty().bind(dp);
                opacities.add(/* dp */this.nodes.get(j).opacityProperty());
                idx++;

            }
            // opacities.add(/* dp */nodes.get(j).opacityProperty());
        }

        final List<KeyFrame> keyFrames = new ArrayList<>();

        // List<KeyValue> keyValues;

        long d = 100;
        // keyValues = new ArrayList<>();
        for (int i = 0; i < opacities.size(); i++) {

            // keyFrames.add(new KeyFrame(Duration.millis(d), new EventHandler<ActionEvent>() {
            //
            // @Override
            // public void handle(final ActionEvent arg0) {
            // // System.out.println(arg0.toString());
            // // nothing to do
            // }
            // }, new KeyValue(opacities.get(i), 1.0/* , Interpolator.EASE_IN */)));

            d += 1000;
            // }
        }

        this.timeline = TimelineBuilder.create()
                                       .keyFrames(keyFrames)
                                       .build();

    }

    /**
     * Gets the random duration.
     *
     * @return the random duration
     */
    // private Duration getRandomDuration() {
    // return Duration.millis(new Random().nextLong() % 1800 + 600);
    // }

}