META-INF.resources.primefaces-extensions.timer.timer.js Maven / Gradle / Ivy

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/**
 * Primefaces Extension Timer Widget
 *
 * @author f.strazzullo
 */
PrimeFacesExt.widget.Timer = PrimeFaces.widget.BaseWidget.extend({

    init : function(cfg) {
        this._super(cfg);
        this.cfg = cfg;
        this.forward = cfg.forward;
        this.originalTimeout = cfg.timeout;
        this.currentTimeout = this.forward ? 0 : cfg.timeout;

        if(cfg.autoStart){
            this.start();
        }

        this.print();

    },
    currentTimeInSecs: function() {
      return parseInt((new Date()).getTime() / 1000, 10);
    },
    print:function(){

        var value = this.currentTimeout;

        if(this.cfg.formatFunction){
            value = this.cfg.formatFunction(value);
        }else if(this.cfg.format){

            var format = this.cfg.format;

            if("percentage" === format){
                value = ((this.currentTimeout*100)/this.originalTimeout) + "%";
            }else if("human" === format){
                value = moment.duration(this.currentTimeout,'seconds').humanize();
            }else{
                value = moment.utc(moment.duration(this.currentTimeout,'seconds').asMilliseconds()).format(format);
            }
        }

        this.jq.html(value);
    },
    doStep: function(){
        var seconds = this.currentTimeInSecs() - this.prevTime;
        this.prevTime = this.currentTimeInSecs();
        this.currentTimeout += this.forward ? seconds : (0 - seconds);
        this.print();
        if(this.cfg.ontimerstep){
            this.cfg.ontimerstep({
                current:this.currentTimeout,
                total:this.originalTimeout
            });
        }
    },
    start : function() {

        var that = this;
        var end;
        this.prevTime = this.currentTimeInSecs();

        if(!this.interval){
            this.interval = setInterval(function(){
                that.doStep();

                end = that.forward ? that.currentTimeout >= that.originalTimeout : that.currentTimeout <= 0;

                if(end){
                    if(that.cfg.listener){
                        that.cfg.listener();
                    }
                    if(that.cfg.ontimercomplete){
                        that.cfg.ontimercomplete();
                    }
                    if(that.cfg.singleRun){
                        clearInterval(that.interval);
                        this.interval = null;
                    }else{
                        that.currentTimeout = that.forward ? 0 : that.originalTimeout;
                        that.print();
                    }
                }
            }, 1000);
        }

    },
    pause: function(){
        if(this.interval){
            clearInterval(this.interval);
            this.interval = null;
        }
    },
    stop: function(silent){
        if(!silent && this.cfg.listener){
            this.cfg.listener();
        }
        if(this.cfg.ontimercomplete){
            this.cfg.ontimercomplete();
        }
        if(this.interval){
            clearInterval(this.interval);
            this.interval = null;
        }

        this.currentTimeout = this.forward ? 0 : this.originalTimeout;
        this.print();

    },
    restart:function(silent){
        this.stop(silent);
        this.start();
    }

});