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

    17

istylesheet

    18

            /* From Inkscape */

    19

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

    20

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

    21

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

    22

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

    23

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

    24

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

    25

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

    26

    27

            /* Our namespace to invoke python code */

    28

            xmlns:ns="beremiz"

    29

            extension-element-prefixes="ns func"

    30

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

    31

    32

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

    33

     * already parsed by python and presented as a list of

    34

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

    35

     */

    36

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

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

    38

    39

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

    40

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

    41

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

    42

    43

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

    44

    45

    const "default_page" choose {

    46

        when "count($hmi_pages) > 1" {

    47

            const "Home_page", 

    48

                "$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!";

    53

                }

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            }

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        }

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        when "count($hmi_pages) = 0" {

    57

            error "No page defined!";

    58

        }

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

    60

    }

    61

    62

    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

    67

    }

    68

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

    69

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

    70

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

    71

    72

    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»

    80

                }

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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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                }

    90

                otherwise {

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

    92

                        with "index", "$index";

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                        with "parentpath" > «$path»

    94

                    }

    95

                }

    96

            }

    97

        }

    98

    99

        copy "$content";

   100

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

   101

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

   102

            with "parentpath" > «$parentpath»

   103

        }

   104

    }

   105

   106

    /* Identity template :

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     *  - copy every attributes 

   108

     *  - copy every sub-elements

   109

     */

   110

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

   111

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

   112

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

   113

    }

   114

   115

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

   116

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

   117

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

   118

    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";

   123

    }

   124

   125

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

   126

   127

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

   128

    template "/" { 

   129

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

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        /* DEBUG DATA */

   131

        comment {

   132

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

   133

        }

   134

        comment {

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

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        }

   137

        comment {

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

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        }

   140

        /**/

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

   142

            head;

   143

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

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

   145

                script{

   146

                    call "scripts";

   147

                }

   148

            }

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        }

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    }

   151

   152

    /*

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        Parses:

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

   155

   156

        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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    */

   164

   165

    func:function name="func:parselabel" {

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        param "label";

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

   168

   169

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

   170

        const "args" choose {

   171

            when "$_args" value "$_args";

   172

            otherwise value "$description";

   173

        }

   174

   175

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

   176

        const "type" choose {

   177

            when "$_type" value "$_type";

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            otherwise value "$args";

   179

        }

   180

   181

        const "ast" if "$type" widget {

   182

            attrib "type" > «$type»

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

   184

                arg {

   185

                    attrib "value" > «.»

   186

                }

   187

            }

   188

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

   189

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

   190

                path {

   191

                    attrib "value" > «.»

   192

                }

   193

            }

   194

        }

   195

   196

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

   197

    }

   198

   199

    function "scripts"

   200

    {

   201

        | //(function(){

   202

        |

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

   204

   205

        /* TODO re-enable

   206

        ||

   207

        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 = [];

   212

        ||

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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";

   217

        ||

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            return res;

   219

        }

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        ||

   221

        */

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   223

        | var hmi_widgets = {

   224

        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()" > ,`

   231

            |     ],

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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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                choose {

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                    when "count($hmitree_match) = 0" {

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                        warning > No match for path "«$hmipath»" in HMI tree

   239

                    }

   240

                    otherwise {

   241

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

   242

                    }

   243

                }

   244

            }

   245

            |     ],

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

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

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

   249

        }

   250

        | }

   251

        |

   252

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

   253

        |

   254

        | var hmitree_types = [

   255

   256

        foreach "$indexed_hmitree/*" {

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

   258

        }

   259

   260

        | ]

   261

        |

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        | var page_desc = {

   263

   264

        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""";

   271

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

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

   273

            |         id: "«@id»",

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

   275

            |         widgets: [

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            foreach "$page_ids" {

   277

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

   278

            }

   279

            |         ]

   280

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

   281

        }

   282

        | }

   283

   284

        |

   285

        | var default_page = "«$default_page»";

   286

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

   287

        include text svghmi.js

   288

        | //})();

   289

    }

   290

   291

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

   292

    //     ||

   293

    //     {

   294

    //         var path, role, name, priv;

   295

    //         var id = "«@id»";

   296

    //     ||

   297

   298

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

   299

    //     if "@inkscape:label"

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

   301

   302

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

   303

   304

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

   305

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

   306

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

   307

   308

    //     ||

   309

   310

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

   311

    //         res.push({

   312

    //             path:path,

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    //             role:role,

   314

    //             name:name,

   315

    //             priv:priv

   316

    //         })

   317

    //     }

   318

    //     ||

   319

    // }

   320

   321

   322

    /**/

   323

    template "bbox", mode="testgeo"{

   324

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

   325

    }

   326

   327

    template "*", mode="testtree"{

   328

        param "indent", "''";

   329

        > «$indent» «local-name()» 

   330

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

   331

        > \n

   332

        apply "*", mode="testtree" {

   333

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

   334

        };

   335

    }

   336

    /**/

   337

   338

    function "defs_by_labels" {

   339

        param "labels","''";

   340

        param "mandatory","'yes'";

   341

        param "hmi_element";

   342

        const "widget_type","@type";

   343

        foreach "str:split($labels)" {

   344

            const "name",".";

   345

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

   358

        }

   359

    }

   360

   361

   362

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

   363

        param "hmi_element";

   364

        | frequency: 5,

   365

        | dispatch: function(value) {

   366

        choose {

   367

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

   368

            // TODO : care about <tspan> ?

   369

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

   370

            }

   371

            otherwise {

   372

                warning > Display widget as a group not implemented

   373

            }

   374

        }

   375

        | },

   376

   377

    }

   378

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

   379

        param "hmi_element";

   380

        | frequency: 10,

   381

        labels("value min max needle range");

   382

        | dispatch: function(value) {

   383

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

   384

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

   385

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

   386

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

   387

        // TODO : deal with transformations between needle and range

   388

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

   389

        | },

   390

        | origin: undefined,

   391

        | range: undefined,

   392

        | init: function() {

   393

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

   394

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

   395

        | },

   396

    }

   397

   398

    def "func:escape_quotes" {

   399

        param "txt";

   400

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

   401

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

   402

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

   403

        choose {

   404

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

   405

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

   406

            }

   407

            otherwise {

   408

                result "$txt";

   409

            }

   410

        }

   411

    }

   412

   413

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

   414

        param "hmi_element";

   421

        | dispatch: function(value) {

   423

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

   424

        | },

   425

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

   426

        | init: function() {

   427

        if "$edit_elt_id" {

   428

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

   429

        |         "click", 

   430

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

   431

        }

   432

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

   433

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

   434

        |         "click", 

   435

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

   436

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

   437

                          /* could gray out value until refreshed */

   438

        }

   439

        | },

   440

    }

   441

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

   442

    }

   443

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

   444

        |     frequency: 5,

   445

    }

   446

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

   447

        |     frequency: 5,

   448

    }

   449

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

   450

        | init: function() {

   451

        |     this.element.addEventListener(

   452

        |         "click", 

   453

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

   454

        | },

   455

    }

   456

}