svghmi/widget_animate.ysl2
author Edouard Tisserant
Tue, 13 Jul 2021 16:16:58 +0200
branchsvghmi
changeset 3278 2bcfbea6a2a8
parent 3232 7bdb766c2a4d
permissions -rw-r--r--
SVGHMI: Fixed typo on session manager unregister, leading to wrong count of sessions and then exceptions when creating more session than allowed in protocol options. Also added more safety check in protocol in case session would be missing.
// widget_animate.ysl2

widget_class("Animate") {
    ||
        frequency = 5;
        speed = 0;
        start = false;
        widget_center = undefined;

        dispatch(value) {
            this.speed = value / 5;

            //reconfigure animation
            this.request_animate();
        }

        animate(){
           // change animation properties
           for(let child of this.element.children){
                if(child.nodeName.startsWith("animate")){
                    if(this.speed != 0 && !this.start){
                        this.start = true;
                        this.element.beginElement();
                    }

                    if(this.speed > 0){
                        child.setAttribute("dur", this.speed+"s");
                    }
                    else if(this.speed < 0){
                        child.setAttribute("dur", (-1)*this.speed+"s");
                    }
                    else{
                        this.start = false;
                        this.element.endElement();
                    }
                }
           }
        }

        init() {
            let widget_pos = this.element.getBBox();
            this.widget_center = [(widget_pos.x+widget_pos.width/2), (widget_pos.y+widget_pos.height/2)];
        }
    ||
}