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package effectsplaygroundmobile;

import javafx.scene.*;
import javafx.scene.input.*;
import javafx.scene.image.*;

public class ImageButton extends CustomNode {
    public var scaleFactor = 1.0;
    public var url:String;
    public var action:function():Void;
    public var enabled:Boolean = true;
    public var hasActiveImage:Boolean = false;
    public var hasHighlightImage:Boolean = false;

    var normalImage = bind if(enabled and hasActiveImage) {
        Image { url: "{__DIR__}images/{url}-active.png" }
    } else {
        Image { url: "{__DIR__}images/{url}.png" }
    }
        
    var highlightImage = bind if(hasHighlightImage) {
        Image { url: "{__DIR__}images/{url}-hlt.png" }
    } else {
        null
    }

    var currentImage = normalImage;

    override public function create():Node {
        return Group {
            content: [
                ImageView {
                    image: bind currentImage;
                    onMousePressed: function(e:MouseEvent) {
                        if(not (highlightImage==null) and enabled) {
                            currentImage = highlightImage;
                        }
                    }
                    onMouseClicked: function(e:MouseEvent) {
                        currentImage = normalImage;
                        if(action != null and enabled) {
                            action();
                        }
                    }
                    fitWidth: bind (normalImage.width)*scaleFactor
                    fitHeight: bind (normalImage.height)*scaleFactor
                }
            ]
        }
    }

}