1

// widget_multistate.ysl2

     2

     3

template "widget[@type='MultiState']", mode="widget_class"

     4

    ||

     5

    class MultiStateWidget extends Widget{

     6

        frequency = 5;

     7

        state = 0;

     8

        dispatch(value) {

     9

            this.state = value;

    10

            for(let choice of this.choices){

    11

                if(this.state != choice.value){

    12

                    choice.elt.setAttribute("style", "display:none");

    13

                } else {

    14

                    choice.elt.setAttribute("style", choice.style);

    15

                }

    16

            }

    17

        }

    18

    19

        on_click(evt) {

    20

            //get current selected value

    21

            let next_ind;

    22

            for(next_ind=0; next_ind<this.choices.length; next_ind++){

    23

                if(this.state == this.choices[next_ind].value){

    24

                   next_ind = next_ind + 1;

    25

                   break;

    26

                }

    27

            }

    28

    29

            //get next selected value

    30

            if(this.choices.length > next_ind){

    31

                this.state = this.choices[next_ind].value;

    32

            }

    33

            else{

    34

                this.state = this.choices[0].value;

    35

            }

    36

    37

            //post value to plc

    38

            this.apply_hmi_value(0, this.state);

    39

        }

    40

    41

        init() {

    42

            this.element.setAttribute("onclick", "hmi_widgets['"+this.element_id+"'].on_click(evt)");

    43

        }

    44

    }

    45

    ||

    46

    47

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

    48

    param "hmi_element";

    49

    |     choices: [

    50

    const "regex",!"'^(\"[^\"].*\"|\-?[0-9]+|false|true)(#.*)?$'"!;

    51

    foreach "$result_svg_ns//*[@id = $hmi_element/@id]//*[regexp:test(@inkscape:label,$regex)]" {

    52

        const "literal", "regexp:match(@inkscape:label,$regex)[2]";

    53

    |         {

    54

    |             elt:id("«@id»"),

    55

    |             style:"«@style»",

    56

    |             value:«$literal»

    57

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

    58

    }

    59

    |     ],

    60

}