svghmi/gen_index_xhtml.ysl2
author Edouard Tisserant
Tue, 26 Jan 2021 11:17:08 +0100
branchsvghmi
changeset 3119 17a9c7a334f7
parent 3108 079419e7228d
child 3156 76c0c0a524c9
permissions -rw-r--r--
SVGHMI: Fix browser side exception when some widget are not used, and are then discarded and not present in final SVG. In that case JS code was still making reference to discarded widget elements and was raising exception at init.
include yslt_noindent.yml2

// overrides yslt's output function to set CDATA
decl output(method, cdata-section-elements="xhtml:script");

// helper to emit some content to internal namespaces
decl emit(*name) alias - {
    *name;
    template *name {
        |
        | /* «local-name()» */
        |
        content;
        |
    }
};

istylesheet
            /* From Inkscape */
            xmlns:dc="http://purl.org/dc/elements/1.1/"
            xmlns:cc="http://creativecommons.org/ns#"
            xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
            xmlns:svg="http://www.w3.org/2000/svg"
            xmlns:xlink="http://www.w3.org/1999/xlink"
            xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
            xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
            xmlns:xhtml="http://www.w3.org/1999/xhtml"

            /* Internal namespaces to allow emit code/content from anywhere */
            xmlns:debug="debug"
            xmlns:preamble="preamble"
            xmlns:declarations="declarations"
            xmlns:definitions="definitions"
            xmlns:epilogue="epilogue"

            /* Namespace to invoke python code */
            xmlns:ns="beremiz"

            extension-element-prefixes="ns func exsl regexp str dyn"
            exclude-result-prefixes="ns func exsl regexp str dyn debug preamble epilogue declarations definitions" {

    const "svg", "/svg:svg";
    const "hmi_elements", "//svg:*[starts-with(@inkscape:label, 'HMI:')]";


    include hmi_tree.ysl2

    include geometry.ysl2

    include detachable_pages.ysl2

    include inline_svg.ysl2

    include i18n.ysl2

    include widgets_common.ysl2

    include widget_*.ysl2


    template "/" {
        comment > Made with SVGHMI. https://beremiz.org

        // all debug output from included definitions, as comments
        comment apply "document('')/*/debug:*";

        html xmlns="http://www.w3.org/1999/xhtml"
             xmlns:svg="http://www.w3.org/2000/svg"
             xmlns:xlink="http://www.w3.org/1999/xlink" {
            head;
            // prevents user selection by mouse click / touch and drag
            // prevents pinch zoom and other accidental panning panning with touch devices
            body style="margin:0;overflow:hidden;user-select:none;touch-action:none;" {
                // Inline SVG
                copy "$result_svg";
                script{
                    | \n//\n//\n// Early independent declarations \n//\n//
                    apply "document('')/*/preamble:*";

                    | \n//\n//\n// Declarations depending on preamble \n//\n//
                    apply "document('')/*/declarations:*";

                    | \n//\n//\n// Order independent declaration and code \n//\n//
                    apply "document('')/*/definitions:*";

                    | \n//\n//\n// Statements that needs to be at the end \n//\n//
                    apply "document('')/*/epilogue:*";

                    include text svghmi.js

                }
            }
        }
    }
}