1

// widget_circularbar.ysl2

     2

     3

     4

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

     5

    param "hmi_element";

     6

    | frequency: 10,

     7

    labels("path");

     8

    optional_labels("value min max");

     9

    | dispatch: function(value) {

    10

    |     if(this.value_elt)

    11

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

    12

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

    13

    |     let [cx,cy] = this.center;

    14

    |     let [rx,ry] = this.proportions;

    15

    |     let tip = start + (end-start)*Number(value)/(max-min);

    16

    |     let size = 0;

    17

    |     if (tip-start > Math.PI) {

    18

    |         size = 1;

    19

    |     } else {

    20

    |         size = 0;

    21

    |     }

    22

    |     this.path_elt.setAttribute('d', "M "+(cx+rx*Math.cos(start))+","+(cy+ry*Math.sin(start))+" A "+rx+","+ry+" 0 "+size+" 1 "+(cx+rx*Math.cos(tip))+","+(cy+ry*Math.sin(tip)));

    23

    | },

    24

    | range: undefined,

    25

    | init: function() {

    26

    |     let start = Number(this.path_elt.getAttribute('sodipodi:start'));

    27

    |     let end = Number(this.path_elt.getAttribute('sodipodi:end'));

    28

    |     let cx = Number(this.path_elt.getAttribute('sodipodi:cx'));

    29

    |     let cy = Number(this.path_elt.getAttribute('sodipodi:cy'));

    30

    |     let rx = Number(this.path_elt.getAttribute('sodipodi:rx'));

    31

    |     let ry = Number(this.path_elt.getAttribute('sodipodi:ry'));

    32

    |     if (ry == 0) {

    33

    |         ry = rx;

    34

    |     }

    35

    |     if (start > end) {

    36

    |         end = end + 2*Math.PI;

    37

    |     }

    38

    |     let min = this.min_elt ?

    39

    |               Number(this.min_elt.textContent) :

    40

    |               this.args.length >= 1 ? this.args[0] : 0;

    41

    |     let max = this.max_elt ?

    42

    |               Number(this.max_elt.textContent) :

    43

    |               this.args.length >= 2 ? this.args[1] : 100;

    44

    |     this.range = [min, max, start, end];

    45

    |     this.center = [cx, cy];

    46

    |     this.proportions = [rx, ry];

    47

    | },

    48

}