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 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. 
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 * 
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 * modification, are permitted provided that the following conditions are met:
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 *   * Redistributions of source code must retain the above copyright notice, 
 *     this list of conditions and the following disclaimer.
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 *   * Redistributions in binary form must reproduce the above copyright notice,
 *     this list of conditions and the following disclaimer in the documentation
 *     and/or other materials provided with the distribution.
 *
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 *     may be used to endorse or promote products derived from this software 
 *     without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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package interesting.view;

import javafx.animation.Timeline;
import javafx.animation.KeyFrame;
import javafx.animation.Interpolator;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.shape.Rectangle;
import javafx.scene.Node;
import javafx.scene.Group;
import javafx.scene.CustomNode;
import javafx.scene.input.MouseEvent;
import javafx.scene.paint.Color;
import interesting.Main;

// To display enlarged image
public class FullImageView extends CustomNode {
    
    public var x = 21.0;
    public var y = 75.0;
    public var width = 201.0;
    public var height = 201.0;
    
    public var image : Image;
    
    var imageView = ImageView {
        image: bind image
        smooth: true
        preserveRatio: false
    }
    
    var bgRect = Rectangle {
        blocksMouse: true
        x: bind (x - 1)
        y: bind (y - 1)
        width: bind (width + 2)
        height: bind (height + 2)
        fill: Color.BLACK
        onMousePressed: function(e:MouseEvent) {
            show = false;
        }
    }
     
    override function create() : Node {
        Group { content: [ bgRect, imageView ] }
    }
       
    var imageHeight: Number = bind image.height on replace {
        if(image.height > 0.0) {
            preserveAspectRatio();
        }
    }
    
    var useEffects: Boolean = "{__PROFILE__}" != "mobile";
            
    public var show = false on replace {
        
        imageView.translateX = x;
        imageView.translateY = y;
        imageView.fitWidth = width;
        imageView.fitHeight = height;
        
        if(useEffects) { 
            fader();
        } else {
            visible = show;
        }
    }
    
    // Handles animation effect
    var timelineRate = 1.0;
    var timeline:Timeline = Timeline {
        rate: bind timelineRate with inverse
        keyFrames: [ 
            KeyFrame {
                time: 2s
                values: [ opacity => 1.0 tween Interpolator.LINEAR ] 
                canSkip: true
            }
        ]
    };
    var timelineRunning = bind timeline.running on replace {
        if(not timelineRunning) { visible = show; }
    }
    
    function preserveAspectRatio() {
                    
        var scale = java.lang.Math.min(width/image.width, height/image.height);
        var finalW = image.width * scale;
        var finalH = image.height * scale;
        var finalX = x + ((width - finalW)/2.0);
        var finalY = y + ((height - finalH)/2.0);
                                
        var parTimeline:Timeline = Timeline {
            keyFrames: [ 
                KeyFrame {
                    time: 500ms
                    values: [ 
                        imageView.translateX => finalX tween Interpolator.LINEAR,
                        imageView.translateY => finalY tween Interpolator.LINEAR,
                        imageView.fitWidth => finalW tween Interpolator.LINEAR,
                        imageView.fitHeight => finalH tween Interpolator.LINEAR
                    ]
                }
            ]
        };
        
        if(useEffects) { 
            parTimeline.play();
        } else {
            imageView.translateX = finalX;
            imageView.translateY = finalY;
            imageView.fitWidth = finalW;
            imageView.fitHeight = finalH;
        }
    }
    
    function fader() {
        
        if(show) {
            timeline.time = 0s;
            timelineRate = 1.0;
            opacity = 0.0;
            visible = true;
        } else {
            timeline.time = 2s;
            timelineRate = -2.0;
            opacity = 1.0;
        }
        
        timeline.play();
    }
}