64 

    64 

    65 emit "preamble:widget-base-class" {

    65 emit "preamble:widget-base-class" {

    66     ||    

    66     ||    

    67     class Widget {

    67     class Widget {

    68         constructor(elt_id,args,indexes,members){

    68         constructor(elt_id,args,indexes,members){

    69             this.element = id(elt_id);

    70             this.element = id(elt_id);

    70             this.args = args;

    71             this.args = args;

    71             this.indexes = indexes;

    72             this.indexes = indexes;

    72             this.offset = 0;

    73             this.offset = 0;

    73             Object.keys(members).forEach(prop => this[prop]=members[prop]);

    74             Object.keys(members).forEach(prop => this[prop]=members[prop]);

    74         }

    75         }

    75         unsub(){

    77         unsub(){

    76             /* remove subsribers */

    78             /* remove subsribers */

    77             for(let index of this.indexes){

    79             for(let index of this.indexes){

    78                 let idx = index + this.offset;

    80                 let idx = index + this.offset;

    79                 subscribers[idx].delete(this);

    81                 subscribers[idx].delete(this);