328     }

   329         foreach "str:split('value min max needle range')" {

   330             const "name",".";

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

   332             if "not($elt_id)" error > Meter widget must have a «$name» element

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

   334         }

   335         | dispatch: function(value) {

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

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

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

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

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

   341         | },

   342         | origin: undefined,

   343         | range: undefined,

   344         | init: function() {

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

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

   347         | },

   348     }

   349