// widget_tooglebutton.ysl2


template "widget[@type='ToggleButton']", mode="widget_class"{
    ||
    class ToggleButtonWidget extends Widget{
        frequency = 5;
        state = 0;
        active_style = undefined;
        inactive_style = undefined;

        dispatch(value) {
            this.state = value;
            //redraw toggle button
            this.request_animate();
        }

        on_click(evt) {
            //toggle state and apply
            if (this.state) {
                this.state = 0;
            } else {
                this.state = 1;
            }
            this.apply_hmi_value(0, this.state);

            //redraw toggle button
            this.request_animate();
        }

        animate(){
           // redraw toggle button on screen refresh
           if (this.state) {
               this.active_elt.setAttribute("style", this.active_style);
               this.inactive_elt.setAttribute("style", "display:none");
           } else {
               this.inactive_elt.setAttribute("style", this.inactive_style);
               this.active_elt.setAttribute("style", "display:none");
           }
        }

        init() {
            this.active_style = this.active_elt ? this.active_elt.style.cssText : undefined;
            this.inactive_style = this.inactive_elt ? this.inactive_elt.style.cssText : undefined;

            if (this.active_style && this.inactive_style) {
                this.active_elt.setAttribute("style", "display:none");
                this.inactive_elt.setAttribute("style", this.inactive_style);
            }

            this.element.setAttribute("onclick", "hmi_widgets['"+this.element_id+"'].on_click(evt)");
        }
    }
    ||
}

template "widget[@type='ToggleButton']", mode="widget_defs" {
    param "hmi_element";
    optional_labels("active inactive");
    |,
}