print-script-common.js

/**
 *  From https://stackoverflow.com/questions/9045868/javascript-date-getweek
 * 
 * See how to use comments at the end
 * 
 * Returns the week number for this date.  dowOffset is the day of week the week
 * "starts" on for your locale - it can be from 0 to 6. If dowOffset is 1 (Monday),
 * the week returned is the ISO 8601 week number.
 * @param int dowOffset
 * @return int
 */
Date.prototype.getWeek = function (dowOffset) {
  /*getWeek() was developed by Nick Baicoianu at MeanFreePath: http://www.meanfreepath.com */
  
      dowOffset = typeof(dowOffset) == 'int' ? dowOffset : 0; //default dowOffset to zero
      var newYear = new Date(this.getFullYear(),0,1);
      var day = newYear.getDay() - dowOffset; //the day of week the year begins on
      day = (day >= 0 ? day : day + 7);
      var daynum = Math.floor((this.getTime() - newYear.getTime() -
      (this.getTimezoneOffset()-newYear.getTimezoneOffset())*60000)/86400000) + 1;
      var weeknum;
      //if the year starts before the middle of a week
      if(day < 4) {
          weeknum = Math.floor((daynum+day-1)/7) + 1;
          if(weeknum > 52) {
              nYear = new Date(this.getFullYear() + 1,0,1);
              nday = nYear.getDay() - dowOffset;
              nday = nday >= 0 ? nday : nday + 7;
              /*if the next year starts before the middle of
                the week, it is week #1 of that year*/
              weeknum = nday < 4 ? 1 : 53;
          }
      }
      else {
          weeknum = Math.floor((daynum+day-1)/7);
      }
      return weeknum;
  };


  /* How to use
  * Write a printer script that uses the new class method.
  * For instance
   
  function printJobHook(inputs, actions) {
  
  if (!inputs.job.isAnalysisComplete) {
    // No job details yet so return.
    return;
  }
  
  actions.client.promptPrintCancel(
    "This file is being printed on the " + inputs.job.date.getWeek()
    + " week of the year");
  return;
};
*/