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include yslt_noindent.yml2

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in xsl decl svgtmpl(match, xmlns="http://www.w3.org/2000/svg") alias template;

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istylesheet

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            /* From Inkscape */

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            xmlns:dc="http://purl.org/dc/elements/1.1/"

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            xmlns:cc="http://creativecommons.org/ns#"

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            xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"

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            xmlns:svg="http://www.w3.org/2000/svg"

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            xmlns:xlink="http://www.w3.org/1999/xlink"

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            xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"

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            xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"

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            /* Namespace to invoke python code */

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            xmlns:ns="beremiz"

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            extension-element-prefixes="ns func exsl regexp str dyn"

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            exclude-result-prefixes="ns func exsl regexp str dyn" {

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    param "hmi_path";

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

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    const "subhmitree", "ns:GetSubHMITree()";

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    const "indexed_hmitree", "/.."; // compatibility with parse_labels.ysl2

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    include parse_labels.ysl2

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    const "_parsed_widgets" apply "$hmi_elements", mode="parselabel";

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    const "parsed_widgets","exsl:node-set($_parsed_widgets)";

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    const "selected_node_type","local-name($subhmitree)";

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    const "svg_widget", "$parsed_widgets/widget[1]"; // TODO take all widgets

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    const "svg_widget_type", "$svg_widget/@type";

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    const "svg_widget_path", "$svg_widget/@path";

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    const "svg_widget_count", "count($parsed_widgets/widget)";

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    // Templates to change label paths(s)

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    template "@* | node()", mode="replace_path" {

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        xsl:copy apply "@* | node()", mode="replace_path";

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    }

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    template "path/@value", mode="replace_path" {

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        attrib "value" > «$hmi_path»

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    }

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    // all attribs are usually copied

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    svgtmpl "@*", mode="inline_svg" xsl:copy;

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    // except labels, ignored

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    svgtmpl "@inkscape:label[starts-with(., 'HMI:')]", mode="inline_svg";

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    template "node()", mode="inline_svg" xsl:copy {

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      // in case this node widget's main element inject label

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      if "@id = $svg_widget/@id" {

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          const "substituted_widget" apply "$svg_widget", mode="replace_path";

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          const "substituted_widget_ns", "exsl:node-set($substituted_widget)";

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          const "new_label" apply "$substituted_widget_ns", mode="genlabel";

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          attrib "inkscape:label" > «$new_label»

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      }

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      // all nodes are copied as well

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      apply "@* | node()", mode="inline_svg";

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    }

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    const "NODES_TYPES","str:split('HMI_ROOT HMI_NODE')";

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    const "HMI_NODES_COMPAT","str:split('Page Jump Foreach')";

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    template "/" {

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        comment > Widget dropped in Inkscape from Beremiz

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        choose {

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            when "$svg_widget_count < 1"

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                error > No widget detected on selected SVG

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            when "$svg_widget_count > 1"

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                error > Multiple widget DnD not yet supported

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            when """$selected_node_type = $NODES_TYPES and \

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                    not($svg_widget_type = $HMI_NODES_COMPAT)"""

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                error > Widget incompatible with selected HMI tree node

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        }

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        const "testmsg" {

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            msg value "$hmi_path";

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            msg value "$selected_node_type";

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            msg value "$svg_widget_type";

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        }

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        value "ns:PassMessage($testmsg)";

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        apply "/", mode="inline_svg";

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    }

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}