svghmi/widget_tooglebutton.ysl2
author Edouard Tisserant <edouard.tisserant@gmail.com>
Tue, 13 Apr 2021 21:04:46 +0200
branchsvghmi
changeset 3229 c5be4fd425e7
parent 3219 cc0ecc5e918f
child 3232 7bdb766c2a4d
permissions -rw-r--r--
SVGHMI: still quite naive path substitution whn prepearing widget for DnD, but now uses label generation.

Multiple widget DnD and mutiple variable still make no sense because all path are replaced with same path, but atleast min/max value are preserved...
// 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
            this.state = this.state ? false : true;
            this.apply_hmi_value(0, this.state);

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

        activate(val) {
            let [active, inactive] = val ? ["none",""] : ["", "none"];
            if (this.active_elt)
                this.active_elt.style.display = active;
            if (this.inactive_elt)
                this.inactive_elt.style.display = inactive;
        }

        animate(){
            // redraw toggle button on screen refresh
            this.activate(this.state);
        }

        init() {
            this.activate(false);
            this.element.onclick = (evt) => this.on_click(evt);
        }
    }
    ||
}

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