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

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

    12

    with "hmi_element", "$hmi_element";

    13

    with "labels"{text *ptr};

    14

    with "mandatory","'no'";

    15

};

    16

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

    24

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

    25

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

    26

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

    27

    28

            /* Our namespace to invoke python code */

    29

            xmlns:ns="beremiz"

    30

            extension-element-prefixes="ns func"

    31

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

    32

    33

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

    34

     * already parsed by python and presented as a list of

    35

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

    36

     */

    37

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

    38

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

    39

    40

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

    41

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

    42

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

    43

    44

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

    45

    46

    const "default_page" choose {

    47

        when "count($hmi_pages) > 1" {

    48

            const "Home_page", 

    49

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

    50

            choose {

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                when "$Home_page" > Home

    52

                otherwise {

    53

                    error "No Home page defined!";

    54

                }

    55

            }

    56

        }

    57

        when "count($hmi_pages) = 0" {

    58

            error "No page defined!";

    59

        }

    60

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

    61

    }

    62

    63

    const "_categories" {

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        noindex > HMI_ROOT

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        noindex > HMI_NODE

    66

        noindex > HMI_PLC_STATUS

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        noindex > HMI_CURRENT_PAGE

    68

    }

    69

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

    70

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

    71

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

    72

    73

    template "*", mode="index" {

    74

        param "index", "0";

    75

        param "parentpath", "''";

    76

        const "content" {

    77

            const "path"

    78

                choose {

    79

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

    80

                    otherwise > «$parentpath»/«@name»

    81

                }

    82

            choose {

    83

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

    84

                    xsl:copy {

    85

                        attrib "index" > «$index»

    86

                        attrib "hmipath" > «$path»

    87

                        foreach "@*" xsl:copy;

    88

                    }

    89

                    /* no node expected below value nodes */

    90

                }

    91

                otherwise {

    92

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

    93

                        with "index", "$index";

    94

                        with "parentpath" > «$path»

    95

                    }

    96

                }

    97

            }

    98

        }

    99

   100

        copy "$content";

   101

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

   102

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

   103

            with "parentpath" > «$parentpath»

   104

        }

   105

    }

   106

   107

    /* Identity template :

   108

     *  - copy every attributes 

   109

     *  - copy every sub-elements

   110

     */

   111

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

   112

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

   113

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

   114

    }

   115

   116

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

   117

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

   118

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

   119

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

   120

        attrib "preserveAspectRatio" > none

   121

        attrib "height" > 100vh

   122

        attrib "width" > 100vw

   123

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

   124

    }

   125

    /* ensure that coordinate in CSV file generated by inkscape are in default reference frame */

   126

    template "svg:svg[@viewBox!=concat('0 0 ', @width, ' ', @height)]", mode="inline_svg" {

   127

        error > ViewBox settings other than X=0, Y=0 and Scale=1 are not supported

   128

    }

   129

    /* ensure that coordinate in CSV file generated by inkscape match svg default unit */

   130

    template "sodipodi:namedview[@units!='px' or @inkscape:document-units!='px']", mode="inline_svg" {

   131

        error > All units must be set to "px" in Inkscape's document properties

   132

    }

   133

   134

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

   135

   136

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

   137

    template "/" { 

   138

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

   139

        /* DEBUG DATA */

   140

        comment {

   141

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

   142

        }

   143

        comment {

   144

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

   145

        }

   146

        comment {

   147

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

   148

        }

   149

        /**/

   150

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

   151

            head;

   152

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

   153

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

   154

                script{

   155

                    call "scripts";

   156

                }

   157

            }

   158

        }

   159

    }

   160

   161

    /*

   162

        Parses:

   163

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

   164

   165

        Into:

   166

        widget type="WidgetType" {

   167

            arg value="param1";

   168

            arg value="param2";

   169

            path value="path1";

   170

            path value="path2";

   171

        }

   172

    */

   173

   174

    func:function name="func:parselabel" {

   175

        param "label";

   176

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

   177

   178

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

   179

        const "args" choose {

   180

            when "$_args" value "$_args";

   181

            otherwise value "$description";

   182

        }

   183

   184

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

   185

        const "type" choose {

   186

            when "$_type" value "$_type";

   187

            otherwise value "$args";

   188

        }

   189

   190

        const "ast" if "$type" widget {

   191

            attrib "type" > «$type»

   192

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

   193

                arg {

   194

                    attrib "value" > «.»

   195

                }

   196

            }

   197

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

   198

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

   199

                path {

   200

                    attrib "value" > «.»

   201

                }

   202

            }

   203

        }

   204

   205

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

   206

    }

   207

   208

    // returns all directly or indirectly refered elements

   209

    func:function name="func:refered_elements" {

   210

        param "elems";

   211

        const "descend", "$elems/descendant-or-self::svg:*";

   212

        const "clones", "$descend[self::svg:use]";

   213

        const "reals", "$descend[not(self::svg:use)]";

   214

        const "originals", "//svg:*[concat('#',@id) = $clones/@xlink:href]";

   215

        choose {

   216

            when "$originals" 

   217

                func:result select="$reals | func:refered_elements($originals)";

   218

            otherwise

   219

                func:result select="$reals";

   220

        }

   221

    }

   222

   223

    function "scripts"

   224

    {

   225

        | //(function(){

   226

        |

   227

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

   228

   229

        /* TODO re-enable

   230

        ||

   231

        function evaluate_js_from_descriptions() {

   232

            var Page;

   233

            var Input;

   234

            var Display;

   235

            var res = [];

   236

        ||

   237

        const "midmark" > \n«$mark»

   238

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

   239

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

   240

              mode="code_from_descs";

   241

        ||

   242

            return res;

   243

        }

   244

        ||

   245

        */

   246

   247

        | var hmi_widgets = {

   248

        foreach "$hmi_elements" {

   249

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

   250

            | "«@id»": {

   251

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

   252

            |     args: [

   253

            foreach "$widget/arg"

   254

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

   255

            |     ],

   256

            |     indexes: [

   257

            foreach "$widget/path" {

   258

                const "hmipath","@value";

   259

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

   260

                choose {

   261

                    when "count($hmitree_match) = 0" {

   262

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

   263

                    }

   264

                    otherwise {

   265

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

   266

                    }

   267

                }

   268

            }

   269

            |     ],

   270

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

   271

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

   272

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

   273

        }

   274

        | }

   275

        |

   276

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

   277

        |

   278

        | var hmitree_types = [

   279

   280

        foreach "$indexed_hmitree/*" {

   281

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

   282

        }

   283

   284

        | ]

   285

        |

   286

        | var page_desc = {

   287

   288

        foreach "$hmi_pages" {

   289

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

   290

            const "page", "."; 

   291

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

   292

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

   293

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

   294

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

   295

            const "page_sub_ids", "func:refered_elements($page)[@id = $hmi_elements/@id]/@id";

   296

            const "all_page_ids","$page_ids | $page_sub_ids[not(. = $page_ids)]"; 

   297

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

   298

            |         id: "«@id»",

   299

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

   300

            |         widgets: [

   301

            foreach "$all_page_ids" {

   302

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

   303

            }

   304

            |         ]

   305

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

   306

        }

   307

        | }

   308

   309

        |

   310

        | var default_page = "«$default_page»";

   311

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

   312

        include text svghmi.js

   313

        | //})();

   314

    }

   315

   316

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

   317

    //     ||

   318

    //     {

   319

    //         var path, role, name, priv;

   320

    //         var id = "«@id»";

   321

    //     ||

   322

   323

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

   324

    //     if "@inkscape:label"

   325

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

   326

   327

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

   328

   329

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

   330

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

   331

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

   332

   333

    //     ||

   334

   335

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

   336

    //         res.push({

   337

    //             path:path,

   338

    //             role:role,

   339

    //             name:name,

   340

    //             priv:priv

   341

    //         })

   342

    //     }

   343

    //     ||

   344

    // }

   345

   346

   347

    /**/

   348

    template "bbox", mode="testgeo"{

   349

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

   350

    }

   351

   352

    template "*", mode="testtree"{

   353

        param "indent", "''";

   354

        > «$indent» «local-name()» 

   355

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

   356

        > \n

   357

        apply "*", mode="testtree" {

   358

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

   359

        };

   360

    }

   361

    /**/

   362

   363

    function "defs_by_labels" {

   364

        param "labels","''";

   365

        param "mandatory","'yes'";

   366

        param "hmi_element";

   367

        const "widget_type","@type";

   368

        foreach "str:split($labels)" {

   369

            const "name",".";

   370

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

   371

            choose {

   372

                when "not($elt_id)" {

   373

                    if "$mandatory='yes'" {

   374

                        // TODO FIXME error > «$widget_type» widget must have a «$name» element

   375

                        warning > «$widget_type» widget must have a «$name» element

   376

                    }

   377

                    // otherwise produce nothing 

   378

                }

   379

                otherwise {

   380

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

   381

                }

   382

            }

   383

        }

   384

    }

   385

   386

   387

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

   388

        param "hmi_element";

   389

        | frequency: 5,

   390

        | dispatch: function(value) {

   391

        choose {

   392

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

   393

            // TODO : care about <tspan> ?

   394

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

   395

            }

   396

            otherwise {

   397

                warning > Display widget as a group not implemented

   398

            }

   399

        }

   400

        | },

   401

   402

    }

   403

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

   404

        param "hmi_element";

   405

        | frequency: 10,

   406

        labels("value min max needle range");

   407

        | dispatch: function(value) {

   408

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

   409

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

   410

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

   411

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

   412

        // TODO : deal with transformations between needle and range

   413

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

   414

        | },

   415

        | origin: undefined,

   416

        | range: undefined,

   417

        | init: function() {

   418

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

   419

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

   420

        | },

   421

    }

   422

   423

    def "func:escape_quotes" {

   424

        param "txt";

   425

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

   426

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

   427

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

   428

        choose {

   429

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

   430

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

   431

            }

   432

            otherwise {

   433

                result "$txt";

   434

            }

   435

        }

   436

    }

   437

   438

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

   439

        param "hmi_element";

   440

        const "value_elt" {

   441

            optional_labels("value");

   442

        }

   443

        value "$value_elt";

   444

        if "$value_elt"

   445

            | frequency: 5,

   446

        | dispatch: function(value) {

   447

        if "$value_elt"

   448

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

   449

        | },

   450

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

   451

        | init: function() {

   452

        if "$edit_elt_id" {

   453

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

   454

        |         "click", 

   455

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

   456

        }

   457

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

   458

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

   459

        |         "click", 

   460

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

   461

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

   462

                          /* could gray out value until refreshed */

   463

        }

   464

        | },

   465

    }

   466

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

   467

    }

   468

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

   469

        |     frequency: 5,

   470

    }