1

include yslt_noindent.yml2

     2

     3

// overrides yslt's output function to set CDATA

     4

decl output(method, cdata-section-elements="xhtml:script");

     5

     6

in xsl decl labels(*ptr, name="defs_by_labels") alias call-template {

     7

    with "hmi_element", "$hmi_element";

     8

    with "labels"{text *ptr};

     9

};

    10

    11

istylesheet

    12

            /* From Inkscape */

    13

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

    14

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

    15

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

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

    17

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

    20

    21

            /* Our namespace to invoke python code */

    22

            xmlns:ns="beremiz"

    23

            extension-element-prefixes="ns func"

    24

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

    25

    26

    /* This retrieves geometry obtained through "inkscape -S"

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     * already parsed by python and presented as a list of

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     * <bbox x="0" y="0" w="42" h="42">

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     */

    30

    const "geometry", "ns:GetSVGGeometry()";

    31

    const "hmitree", "ns:GetHMITree()";

    32

    33

    const "svg_root_id", "/svg:svg/@id";

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

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    const "hmi_geometry", "$geometry[@Id = $hmi_elements/@id]";

    36

    37

    const "hmi_pages", "$hmi_elements[func:parselabel(@inkscape:label)/widget/@type = 'Page']";

    38

    39

    const "default_page" choose {

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        when "count($hmi_pages) > 1" {

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            const "Home_page", 

    42

                "$hmi_pages[func:parselabel(@inkscape:label)/widget/arg[1]/@value = 'Home']";

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            choose {

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                when "$Home_page" > Home

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                otherwise {

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                    error "No Home page defined!";

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                }

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            }

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        }

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        when "count($hmi_pages) = 0" {

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            error "No page defined!";

    52

        }

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        otherwise > «func:parselabel($hmi_pages/@inkscape:label)/widget/arg[1]/@value»

    54

    }

    55

    56

    const "_categories" {

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        noindex > HMI_ROOT

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        noindex > HMI_NODE

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        noindex > HMI_PLC_STATUS

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        noindex > HMI_CURRENT_PAGE

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    }

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    const "categories", "exsl:node-set($_categories)";

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    const "_indexed_hmitree" apply "$hmitree", mode="index";

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    const "indexed_hmitree", "exsl:node-set($_indexed_hmitree)";

    65

    66

    template "*", mode="index" {

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        param "index", "0";

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        param "parentpath", "''";

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        const "content" {

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            const "path"

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                choose {

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                    when "local-name() = 'HMI_ROOT'" > «$parentpath»

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                    otherwise > «$parentpath»/«@name»

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                }

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            choose {

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                when "not(local-name() = $categories/noindex)" {

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                    xsl:copy {

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                        attrib "index" > «$index»

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                        attrib "hmipath" > «$path»

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                        foreach "@*" xsl:copy;

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                    }

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                    /* no node expected below value nodes */

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                }

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                otherwise {

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                    apply "*[1]", mode="index"{

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                        with "index", "$index";

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                        with "parentpath" > «$path»

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                    }

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                }

    90

            }

    91

        }

    92

    93

        copy "$content";

    94

        apply "following-sibling::*[1]", mode="index" {

    95

            with "index", "$index + count(exsl:node-set($content)/*)";

    96

            with "parentpath" > «$parentpath»

    97

        }

    98

    }

    99

   100

    /* Identity template :

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     *  - copy every attributes 

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     *  - copy every sub-elements

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     */

   104

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

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      /* use real xsl:copy instead copy-of alias from yslt.yml2 */

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

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    }

   108

   109

    /* replaces inkscape's height and width hints. forces fit */

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    template "svg:svg/@width", mode="inline_svg";

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    template "svg:svg/@height", mode="inline_svg";

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    template "svg:svg", mode="inline_svg" xsl:copy {

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        attrib "preserveAspectRatio" > none

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        attrib "height" > 100vh

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        attrib "width" > 100vw

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

   117

    }

   118

   119

    /*const "mark" > =HMI=\n*/

   120

   121

    /* copy root node and add geometry as comment for a test */

   122

    template "/" { 

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        comment > Made with SVGHMI. https://beremiz.org

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        /* DEBUG DATA */

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        comment {

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            apply "$hmi_geometry", mode="testgeo";

   127

        }

   128

        comment {

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            apply "$hmitree", mode="testtree";

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        }

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        comment {

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            apply "$indexed_hmitree", mode="testtree";

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        }

   134

        /**/

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        html xmlns="http://www.w3.org/1999/xhtml" {

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            head;

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            body style="margin:0;overflow:hidden;" {

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                apply "svg:svg", mode="inline_svg";

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                script{

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                    call "scripts";

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                }

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            }

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        }

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    }

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   146

    /*

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        Parses:

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        "HMI:WidgetType:param1:param2@path1@path2"

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   150

        Into:

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        widget type="WidgetType" {

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            arg value="param1";

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            arg value="param2";

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            path value="path1";

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            path value="path2";

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        }

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    */

   158

   159

    func:function name="func:parselabel" {

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        param "label";

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        const "description", "substring-after($label,'HMI:')";

   162

   163

        const "_args", "substring-before($description,'@')";

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        const "args" choose {

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            when "$_args" value "$_args";

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            otherwise value "$description";

   167

        }

   168

   169

        const "_type", "substring-before($args,':')";

   170

        const "type" choose {

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            when "$_type" value "$_type";

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            otherwise value "$args";

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        }

   174

   175

        const "ast" if "$type" widget {

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            attrib "type" > «$type»

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            foreach "str:split(substring-after($args, ':'), ':')" {

   178

                arg {

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                    attrib "value" > «.»

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                }

   181

            }

   182

            const "paths", "substring-after($description,'@')";

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            foreach "str:split($paths, '@')" {

   184

                path {

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                    attrib "value" > «.»

   186

                }

   187

            }

   188

        }

   189

   190

        func:result select="exsl:node-set($ast)"

   191

    }

   192

   193

    function "scripts"

   194

    {

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        | //(function(){

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        |

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        | var hmi_hash = [«$hmitree/@hash»]; 

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   199

        /* TODO re-enable

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        ||

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        function evaluate_js_from_descriptions() {

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            var Page;

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            var Input;

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            var Display;

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            var res = [];

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        ||

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        const "midmark" > \n«$mark»

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        apply """//*[contains(child::svg:desc, $midmark) or \

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                     starts-with(child::svg:desc, $mark)]""",2 

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              mode="code_from_descs";

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        ||

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            return res;

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        }

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        ||

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        */

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        | var hmi_widgets = {

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        foreach "$hmi_elements" {

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            const "widget", "func:parselabel(@inkscape:label)/widget";

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            | "«@id»": {

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            |     type: "«$widget/@type»",

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            |     args: [

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            foreach "$widget/arg"

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            |         "«@value»"`if "position()!=last()" > ,`

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            |     ],

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            |     indexes: [

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            foreach "$widget/path" {

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                const "hmipath","@value";

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                const "hmitree_match","$indexed_hmitree/*[@hmipath = $hmipath]";

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            |         «$hmitree_match/@index»`if "position()!=last()" > ,`

   238

            }

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            |     ],

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            |     element: document.getElementById("«@id»"),

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            apply "$widget", mode="widget_defs" with "hmi_element",".";

   242

            | }`if "position()!=last()" > ,`

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        }

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        | }

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        |

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        | var heartbeat_index = «$indexed_hmitree/*[@hmipath = '/HEARTBEAT']/@index»;

   247

        |

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        | var hmitree_types = [

   249

   250

        foreach "$indexed_hmitree/*" {

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            | /* «@index»  «@hmipath» */ "«substring(local-name(), 5)»"`if "position()!=last()" > ,`

   252

        }

   253

   254

        | ]

   255

        |

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        | var page_desc = {

   257

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        foreach "$hmi_pages" {

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            const "desc", "func:parselabel(@inkscape:label)/widget";

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            const "page", "."; 

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            const "p", "$hmi_geometry[@Id = $page/@id]"; 

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            const "page_ids","""$hmi_geometry[@Id != $page/@id and 

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                                @x >= $p/@x and @y >= $p/@y and 

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                                @x+@w <= $p/@x+$p/@w and @y+@h <= $p/@y+$p/@h]/@Id""";

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            const "page_elements", "$hmi_elements[@id = $page_ids]";

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            |     "«$desc/arg[1]/@value»": {

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            |         id: "«@id»",

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            |         bbox: [«$p/@x», «$p/@y», «$p/@w», «$p/@h»],

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            |         widgets: [

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            foreach "$page_ids" {

   271

            |             hmi_widgets["«.»"]`if "position()!=last()" > ,`

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            }

   273

            |         ]

   274

            |     }`if "position()!=last()" > ,`

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        }

   276

        | }

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   278

        |

   279

        | var default_page = "«$default_page»";

   280

        | var svg_root = document.getElementById("«$svg_root_id»");

   281

        include text svghmi.js

   282

        | //})();

   283

    }

   284

   285

    // template "*", mode="code_from_descs" {

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    //     ||

   287

    //     {

   288

    //         var path, role, name, priv;

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    //         var id = "«@id»";

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    //     ||

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   292

    //     /* if label is used, use it as default name */

   293

    //     if "@inkscape:label"

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    //         |> name = "«@inkscape:label»";

   295

   296

    //     | /* -------------- */

   297

   298

    //     // this breaks indent, but fixing indent could break string literals

   299

    //     value "substring-after(svg:desc, $mark)";

   300

    //     // nobody reads generated code anyhow...

   301

   302

    //     ||

   303

   304

    //         /* -------------- */

   305

    //         res.push({

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    //             path:path,

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    //             role:role,

   308

    //             name:name,

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    //             priv:priv

   310

    //         })

   311

    //     }

   312

    //     ||

   313

    // }

   314

   315

   316

    /**/

   317

    template "bbox", mode="testgeo"{

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        | ID: «@Id» x: «@x» y: «@y» w: «@w» h: «@h»

   319

    }

   320

   321

    template "*", mode="testtree"{

   322

        param "indent", "''";

   323

        > «$indent» «local-name()» 

   324

        foreach "@*" > «local-name()»=«.» 

   325

        > \n

   326

        apply "*", mode="testtree" {

   327

            with "indent" value "concat($indent,'>')"

   328

        };

   329

    }

   330

    /**/

   331

   332

    function "defs_by_labels" {

   333

        param "labels","''";

   334

        param "mandatory","'yes'";

   335

        param "hmi_element";

   337

        foreach "str:split($labels)" {

   338

            const "name",".";

   339

            const "elt_id","$hmi_element//*[@inkscape:label=$name][1]/@id";

   342

            | «$name»_elt: document.getElementById("«$elt_id»"),

   343

        }

   344

    }

   345

   346

   347

    template "widget[@type='Display']", mode="widget_defs" {

   348

        param "hmi_element";

   349

        | frequency: 5,

   350

        | dispatch: function(value) {

   351

        choose {

   352

            when "$hmi_element[self::svg:text]"{

   353

            // TODO : care about <tspan> ?

   354

        |   this.element.textContent = String(value);

   355

            }

   356

            otherwise {

   358

            }

   359

        }

   360

        | },

   361

   362

    }

   363

    template "widget[@type='Meter']", mode="widget_defs" {

   364

        param "hmi_element";

   365

        | frequency: 10,

   366

        labels("value min max needle range");

   367

        | dispatch: function(value) {

   368

        |     this.value_elt.textContent = String(value);

   369

        |     let [min,max,totallength] = this.range;

   370

        |     let length = Math.max(0,Math.min(totallength,(Number(value)-min)*totallength/(max-min)));

   371

        |     let tip = this.range_elt.getPointAtLength(length);

   372

        // TODO : deal with transformations between needle and range

   373

        |     this.needle_elt.setAttribute('d', "M "+this.origin.x+","+this.origin.y+" "+tip.x+","+tip.y);

   374

        | },

   375

        | origin: undefined,

   376

        | range: undefined,

   377

        | init: function() {

   378

        |     this.range = [Number(this.min_elt.textContent), Number(this.max_elt.textContent), this.range_elt.getTotalLength()]

   379

        |     this.origin = this.needle_elt.getPointAtLength(0);

   380

        | },

   381

    }

   382

   383

    def "func:escape_quotes" {

   384

        param "txt";

   385

        // have to use a python string to enter escaped quote

   386

        const "frst", !"substring-before($txt,'\"')"!;

   387

        const "frstln", "string-length($frst)";

   388

        choose {

   389

            when "$frstln > 0 and string-length($txt) > $frstln" {

   390

                result !"concat($frst,'\\\"',func:escape_quotes(substring-after($txt,'\"')))"!;

   391

            }

   392

            otherwise {

   393

                result "$txt";

   394

            }

   395

        }

   396

    }

   397

   398

    template "widget[@type='Input']", mode="widget_defs" {

   399

        param "hmi_element";

   400

        | frequency: 5,

   401

        labels("value");

   402

        | dispatch: function(value) {

   403

        |     this.value_elt.textContent = String(value);

   404

        | },

   405

        const "edit_elt_id","$hmi_element/*[@inkscape:label='edit'][1]/@id";

   406

        | init: function() {

   407

        if "$edit_elt_id" {

   408

        |     document.getElementById("«$edit_elt_id»").addEventListener(

   409

        |         "click", 

   410

        |         evt => alert('XXX TODO : Edit value'));

   411

        }

   412

        foreach "$hmi_element/*[regexp:test(@inkscape:label,'^[=+\-].+')]" {

   413

        |     document.getElementById("«@id»").addEventListener(

   414

        |         "click", 

   415

        |         evt => {let new_val = change_hmi_value(this.indexes[0], "«func:escape_quotes(@inkscape:label)»");

   416

        |                 this.value_elt.textContent = String(new_val);});

   417

                          /* could gray out value until refreshed */

   418

        }

   419

        | },

   420

    }

   421

    template "widget[@type='Button']", mode="widget_defs" {

   422

    }

   423

    template "widget[@type='Toggle']", mode="widget_defs" {

   424

        |     frequency: 5,

   425

    }

   426

    template "widget[@type='Change']", mode="widget_defs" {

   427

        |     frequency: 5,

   428

    }

   429

    template "widget[@type='Jump']", mode="widget_defs" {

   430

        | init: function() {

   431

        |     this.element.addEventListener(

   432

        |         "click", 

   433

        |         evt => switch_page(this.args[0]));

   434

        | },

   435

    }

   436

}