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date-util.html
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date-util.html
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<link rel="import"
href="../polymer/polymer.html">
<!-- ----------------------
Formats
MM - month
dd - day
yyyy - year(full)
yy - year(last 2)
H - hour
mm - minute
ss - second
zzz - millisecond
Month - month name
Mon - abbreviated month name
Day - day of the week
---------------------- -->
<dom-module id="date-util">
<style>
:host {
display: inline-block;
}
</style>
<template>
<span>{{dateDisplayed}}</span>
</template>
</dom-module>
<script>
(function(scope) {
function getMonthName(monthNumber) {
switch(monthNumber) {
case 1:
return "January";
case 2:
return "February";
case 3:
return "March";
case 4:
return "April";
case 5:
return "May";
case 6:
return "June";
case 7:
return "July";
case 8:
return "August";
case 9:
return "September";
case 10:
return "October";
case 11:
return "November";
case 12:
return "December";
}
}
function getAbbrvMonthName(monthNumber) {
switch(monthNumber) {
case 1:
return "Jan";
case 2:
return "Feb";
case 3:
return "Mar";
case 4:
return "Apr";
case 5:
return "May";
case 6:
return "June";
case 7:
return "July";
case 8:
return "Aug";
case 9:
return "Sept";
case 10:
return "Oct";
case 11:
return "Nov";
case 12:
return "Dec";
}
}
function getDayOfWeek(dayNumber) {
switch(dayNumber) {
case 0:
return "Sunday";
case 1:
return "Monday";
case 2:
return "Tuesday";
case 3:
return "Wednesday";
case 4:
return "Thursday";
case 5:
return "Friday";
case 6:
return "Saturday";
}
}
function buildDate(format, date) {
format = format.replace(/MM/g, ("0" + (date.getMonth()+1)).slice(-2));
format = format.replace(/dd/g, ("0" + date.getDate()).slice(-2));
format = format.replace(/yyyy/g, date.getFullYear());
format = format.replace(/yy/g, date.getFullYear().toString().slice(-2));
format = format.replace(/H/g, ("0" + date.getHours()).slice(-2));
format = format.replace(/mm/g, ("0" + date.getMinutes()).slice(-2));
format = format.replace(/ss/g, ("0" + date.getSeconds()).slice(-2));
format = format.replace(/zzz/g, ("0" + "00" + date.getMilliseconds()).slice(-3));
format = format.replace(/Month/g, getMonthName(date.getMonth()+1));
format = format.replace(/Mon/g, getAbbrvMonthName(date.getMonth()+1));
format = format.replace(/Day/g, getDayOfWeek(date.getDay()));
return format;
}
scope.DateUtil = Polymer({
is: "date-util",
properties: {
format: {
type: String,
value: "MM/dd/yy H:mm:ss.zzz"
},
date : {
type : Date,
value: new Date()
},
dateDisplayed : {
type : String,
computed : 'computeDateDisplayed(format, date)'
}
},
factoryImpl: function(format, date) {
if(format != undefined && format != "") {
this.format = newFormat;
}
if(date != undefined || date != null) {
this.date=date;
}
},
now: function(format) {
return this.get(format,new Date());
},
get: function(format, date) {
if(format == undefined || format == "" || format == null) {
return buildDate(this.format, date);
}else{
return buildDate(format, date);
}
},
computeDateDisplayed: function(format, date){
return this.get(format,date);
}
});
})(window);
</script>