// widget_image.ysl2

widget_desc("Image") {
    longdesc
    ||
    If Image widget is a svg:image element, then href content is replaced by
    value of given variable.
    ||

    shortdesc > Image display
}

widget_class("Image")
    ||
        frequency = 5;
        dispatch(value, oldval, index) {
            if (index == 0) {
                this.given_url = value;
                this.ready = true;
                this.request_animate();
            }
        }
    ||

widget_defs("Image") {
    |     given_url: "",
    |     ready: false,
    |     animate: function(){
    |       this.element.setAttribute('href', this.given_url);
    |     },
}


gen_index_xhtml { // following content is only available when generating xhtml file

// strip inkscape embedded bitmap when it is meant to be replaced by HMI:Image widget
svgtmpl "svg:image[starts-with(@inkscape:label, 'HMI:Image')]", mode="inline_svg" {
    xsl:copy {
        apply "@*[not(contains(name(), 'href'))] | node()", mode="inline_svg";
    }
}

}