FX

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package mybargraph;

import javafx.animation.Interpolator;
import javafx.animation.KeyFrame;
import javafx.animation.Timeline;
import javafx.scene.CustomNode;
import javafx.scene.Group;
import javafx.scene.Node;
import javafx.scene.paint.Color;
import javafx.scene.paint.LinearGradient;
import javafx.scene.paint.Stop;
import javafx.scene.shape.Rectangle;
import javafx.scene.text.Font;
import javafx.scene.text.Text;

/**
 * @author Vaibhav Choudhary
 */

 /* class for one Bar */
public class Bar extends CustomNode {

    public var height: Number = 0.0;
    public var X = 0.0;
    public var Y = 0.0;
    public var txt = "";
    public var variable = 0.0;
    /* timeline for animating bar */
    public var t = Timeline {
        repeatCount: 1
        keyFrames: [
            KeyFrame {
                time: 5s
                canSkip: true
                values: [
                    variable => height tween Interpolator.LINEAR
                ]
            }
        ]
    }
    init {
        t.play();
    }

    public override function create(): Node {
        return Group {
// Instance for creating the bars
            content: [
                Rectangle {
                    translateY: bind 50 - variable * 5
                    x: bind X,
                    y: bind Y
                    width: 20,
                    height: bind variable * 5
                    fill: LinearGradient {
                        startX: 0.0
                        startY: 0.0
                        endX: 1.0
                        endY: 0.0
                        stops: [
                            Stop {
                                color: Color.GRAY
                                offset: 0.0
                            },
                            Stop {
                                color: Color.BLACK
                                offset: 0.3
                            },
                            Stop {
                                color: Color.GRAY
                                offset: 1.0
                            },

                        ]
                    }
                },
// Instance for bar labels
                Text {
                    translateY: 80
                    translateX: 0
                    rotate: -20
                    fill: Color.WHITE
                    font: Font {
                        name: "Arial Bold"
                        size: 12
                    }
                    x: bind X,
                    y: bind Y
                    content: bind txt
                }
            ]
        };
    }
}