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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER 
 * Copyright  2008, 2010 Oracle and/or its affiliates.  All rights reserved. 
 * Use is subject to license terms.
 * 
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 * modification, are permitted provided that the following conditions are met: 
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 *     this list of conditions and the following disclaimer. 
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 *     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 
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 */

    

package carousel;

import javafx.util.Math;
import javafx.animation.KeyFrame;
import javafx.animation.Timeline;
import javafx.lang.Duration;
import javafx.lang.FX;
import javafx.scene.Cursor;
import javafx.scene.Group;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.input.*;
import javafx.scene.paint.*;
import javafx.scene.Scene;
import javafx.scene.shape.*;
import javafx.stage.Stage;
import javafx.stage.StageStyle;
import javafx.scene.layout.LayoutInfo;

import carousel.Carousel;

/**
 * @author Vaibhav Choudhary
 */

var carousel:Carousel[];
// list of images
var im:String[] = [
        "{__DIR__}im1.PNG",
        "{__DIR__}im2.PNG",
        "{__DIR__}im3.PNG",
        "{__DIR__}im4.PNG",
        "{__DIR__}im5.PNG",
        "{__DIR__}im6.PNG"
    ];

// images for buttons for animation
var s_left:Image = Image {
        url: "{__DIR__}leftlight.png"
    };
var s_leftglow:Image = Image {
        url: "{__DIR__}left.png"
    };
var s_right:Image = Image {
        url: "{__DIR__}rightlight.png"
    };
var s_rightglow:Image = Image {
        url: "{__DIR__}right.png"
    };

var s_right_d = s_right;
var s_left_d = s_left;
var dur:Duration = 15ms;

//capture the dynamic width and height of the scene
var width:Number = bind scene.width;
var height:Number = bind scene.height;
def _arcDim = 5;
def _navigator = 30;
def _repeatCount = 21;
def _imgXPadding = 70;
def rectLayoutHgt = 25;
def imgXDimension = 40;


// inserting the initial value
for(i in [0..5]) {
   insert Carousel {
        X: Math.cos(Carousel.angle + i  *  Carousel.image_gap +
            Carousel.shift) * Carousel.radius_x + Carousel.xcenter;
        Y: -Math .sin(Carousel.angle + i  *  Carousel.image_gap +
            Carousel.shift) * Carousel.radius_y + Carousel.ycenter
        Z: Math.sin(Carousel.angle + i  *  Carousel.image_gap +
            Carousel.shift) * Carousel.radius + Carousel.zcenter
        local_opacity: Carousel.fl / (Carousel.fl + Math.sin(Carousel.angle +
			i  *  Carousel.image_gap + Carousel.shift) * Carousel.radius
                + Carousel.zcenter)
        scale: Carousel.fl / (Carousel.fl + Math.sin(Carousel.angle +
			i  *  Carousel.image_gap + Carousel.shift) * Carousel.radius
                + Carousel.zcenter)

        image: bind Image {
            url: im[i]
        }
    } into carousel
}

// timeline for clockwise rotation
var timeline = Timeline {
    repeatCount: _repeatCount
    keyFrames: [
        KeyFrame {
            time: dur
            action: function() {
                Carousel.angle_rad = Carousel.angle_rad + Math.PI / 60;
                for(i in [0..5]) {
                    carousel[i].update(i,Carousel.angle_rad);
                }
            }
        }
    ]
}timeline.play();

// timeline for anti-clockwise rotation
var timeline_rev = Timeline {
    repeatCount: _repeatCount
    keyFrames: [
        KeyFrame {
            time: dur
            action: function() {
                Carousel.angle_rad = Carousel.angle_rad - Math.PI / 60;
                for(i in [0..5]) {
                    carousel[i].update(i,Carousel.angle_rad);
                }
            }
        }
    ]
}
var gp = Group {
    onKeyPressed:function(e:KeyEvent):Void {
        if (__PROFILE__ != "tv") {
            if((e.code == KeyCode.VK_LEFT) or (e.code == KeyCode.VK_TRACK_PREV)) {
                    timeline_rev.play();
            }
            if((e.code == KeyCode.VK_RIGHT) or (e.code == KeyCode.VK_TRACK_NEXT)) {
                    timeline.play();
            }
            if((e.code == KeyCode.VK_Q) or (e.code == KeyCode.VK_POWER)) {
                    FX.exit();
            }
        } else {
            if(e.code == KeyCode.VK_LEFT) {
                    timeline_rev.play();
            }
            if(e.code == KeyCode.VK_RIGHT) {
                    timeline.play();
            }
            if(e.code == KeyCode.VK_Q) {
                    FX.exit();
            }
        }
    }
    layoutX: bind (width - 240) * 0.5;
    layoutY: bind (height - 320) * 0.25;
    content: [
        carousel,
    ]
        };

var scene:Scene = Scene {
    fill: Color.BLACK
    content: [
        Rectangle {
            x: 0
            y: bind height - _navigator
            layoutInfo:LayoutInfo{
                width: bind width
                height: rectLayoutHgt
            }
            arcHeight:_arcDim
            arcWidth:_arcDim
            fill: LinearGradient {
                startX: 0.0
                startY: 0.0
                endX: 0.0
                endY: 1.0
                proportional: true
                stops: [
                    Stop {
                        offset: 0.0
                    color: Color.GRAY },
                    Stop {
                        offset: 0.5
                    color: Color.BLACK },
                    Stop {
                        offset: 1.0
                    color: Color.GRAY }
                ]
            }
            opacity:0.5
        },
        ImageView {
            x: imgXDimension
            y: bind height - _navigator
            image: bind s_left
            cursor: Cursor.HAND
            onMouseClicked: function( e: MouseEvent ):Void {
                s_left = s_leftglow;
                timeline_rev.play();
            }
            onMouseMoved: function( e: MouseEvent ):Void {
                s_left = s_leftglow;
            }
            onMouseExited: function( e: MouseEvent ):Void {
                s_left = s_left_d;
            }
        },
        ImageView {
            x: bind width - _imgXPadding
            y: bind height - _navigator
            image: bind s_right
            cursor: Cursor.HAND
            onMouseClicked: function( e: MouseEvent ):Void {
                s_right = s_rightglow;
                timeline.play();
            }
            onMouseMoved: function( e: MouseEvent ):Void {
                s_right = s_rightglow;
            }
            onMouseExited: function( e: MouseEvent ):Void {
                s_right = s_right_d;
             }
        }
    ]
  };

insert gp into scene.content;
var stage = Stage{
    title: "Carousel Application"
    width:  if (__PROFILE__ != "tv") then 240 else 1280
    height: if (__PROFILE__ != "tv") then 320 else 720
    style: StageStyle.TRANSPARENT
    scene: scene
}
gp.requestFocus();
stage;