How do i change this?

New Here ,
Feb 05, 2018 Feb 05, 2018

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/*** Get the ISO week date week number */

Date.prototype.getWeek = function () {
    // Create a copy of this date object;
    var target  = new Date(this.valueOf());
    //var target  = new Date(this.getField("WeekBegin").value);

    // ISO week date weeks start on Monday;
    // so correct the day number;
    var dayNr   = (this.getDay() + 6) % 7;

    // ISO 8601 states that week 1 is the week;
    // with the first Thursday of that year.;
    // Set the target date to the Thursday in the target week;
    target.setDate(target.getDate() - dayNr + 3);

    // Store the millisecond value of the target date;
    var firstThursday = target.valueOf();

    // Set the target to the first Thursday of the year;
    // First set the target to January first
    target.setMonth(0, 1);
    // Not a Thursday? Correct the date to the next Thursday
    if (target.getDay() != 4) {
        target.setMonth(0, 1 + ((4 - target.getDay()) + 7) % 7);
    }

    // The weeknumber is the number of weeks between the
    // first Thursday of the year and the Thursday in the target week
    return 1 + Math.ceil((firstThursday - target) / 604800000); // 604800000 = 7 * 24 * 3600 * 1000
}

var oDate = new Date(); // create date object;
var nWeekNumber = oDate.getWeek(); // get the week number for the date object;
//app.alert("For " + util.printd("ddmmyy", oDate) + " it is week " + nWeekNumber, 3, 0);

this.getField("WeekNumber").value = nWeekNumber;

Now I Want to be able to use the "weekbegin" field text box (ddmmyy) to work out the week number, but instead its using the current date.

What do I change to get it to use the "weekbegin" as the date instead of the current date it uses?

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Acrobat SDK and JavaScript, Windows

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Most Valuable Participant ,
Feb 05, 2018 Feb 05, 2018

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Change this line:

var oDate = new Date();

To:

var oDate = util.scand("mm/dd/yyyy", this.getField("weekbegin").valueAsString);

Adjust the date format if necessary.

However, this will return the results for the current date if the field is empty, so you might want to add a condition that checks for that.

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New Here ,
Feb 05, 2018 Feb 05, 2018

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Ok I tried that, but doesn't show any results.

var oDate = util.scand("mmddyy", this.getField("WeekBegin").valueastring);

is what I have, However if the "WeekBegin" field is filled or not it doesn't show any value?

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Most Valuable Participant ,
Feb 05, 2018 Feb 05, 2018

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That's not the code I posted.

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LEGEND ,
Feb 05, 2018 Feb 05, 2018

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You needed to change one line of code and not delete all of the code.

So the only code for the field would be:

// var oDate = new Date(); // create date object;

var oDate = util.scand("mm/dd/yyyy", this.getField("weekbegin").valueAsString); // create date object for the value of "weekbegin" field;

var nWeekNumber = oDate.getWeek(); // get the week number for the date object;

//app.alert("For " + util.printd("ddmmyy", oDate) + " it is week " + nWeekNumber, 3, 0);

this.getField("WeekNumber").value = nWeekNumber;

All the code above that piece of code should be placed in the Document level JavaScript.

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New Here ,
Feb 05, 2018 Feb 05, 2018

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ok.

so I have this on the field "WeekNumber":

//var oDate = new Date(); // create date object;
var oDate = util.scand("ddmmyy", this.getField("WeekBegin").valueastring); // create date object using WeekNumber input
var nWeekNumber = oDate.getWeek(); // get the week number for the date object;
//app.alert("For " + util.printd("ddmmyy", oDate) + " it is week " + nWeekNumber, 3, 0);

this.getField("WeekNumber").value = nWeekNumber;

And I have this code at document level:

/*** Get the ISO week date week number */

Date.prototype.getWeek = function () {
    // Create a copy of this date object;
    var target  = new Date(this.valueOf());
    //var target  = new Date(this.getField("WeekBegin").value);

    // ISO week date weeks start on Monday;
    // so correct the day number;
    var dayNr   = (this.getDay() + 6) % 7;

    // ISO 8601 states that week 1 is the week;
    // with the first Thursday of that year.;
    // Set the target date to the Thursday in the target week;
    target.setDate(target.getDate() - dayNr + 3);

    // Store the millisecond value of the target date;
    var firstThursday = target.valueOf();

    // Set the target to the first Thursday of the year;
    // First set the target to January first
    target.setMonth(0, 1);
    // Not a Thursday? Correct the date to the next Thursday
    if (target.getDay() != 4) {
        target.setMonth(0, 1 + ((4 - target.getDay()) + 7) % 7);
    }

    // The weeknumber is the number of weeks between the
    // first Thursday of the year and the Thursday in the target week
    return 1 + Math.ceil((firstThursday - target) / 604800000); // 604800000 = 7 * 24 * 3600 * 1000
}

Is this correct? as I'm still not getting anything?

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Most Valuable Participant ,
Feb 05, 2018 Feb 05, 2018

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Yes. Why do you keep insisting on changing valueAsString to valueastring? The first exists, the second doesn't. JS is case-sensitive, plus you're missing an "s"...

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New Here ,
Feb 05, 2018 Feb 05, 2018

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opps, sorry fixed that.

so its now:

//var oDate = new Date(); // create date object;
var oDate = util.scand("ddmmyy", this.getField("WeekBegin").valueAsString); // create date object using WeekNumber input
var nWeekNumber = oDate.getWeek(); // get the week number for the date object;
//app.alert("For " + util.printd("ddmmyy", oDate) + " it is week " + nWeekNumber, 3, 0);

this.getField("WeekNumber").value = nWeekNumber;

But still no luck?

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Most Valuable Participant ,
Feb 05, 2018 Feb 05, 2018

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Where did you put the code?

What does "still no luck" mean? What exactly happens? Is there an error message in the JS Console? If so, what does it say?

Details, please.

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New Here ,
Feb 05, 2018 Feb 05, 2018

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nothing happens.

in JS Console I get this:

TypeError: oDate.getWeek is not a function

3:Field:Mouse Up

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Most Valuable Participant ,
Feb 05, 2018 Feb 05, 2018

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You have to include the getWeek function definition with it...

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New Here ,
Feb 05, 2018 Feb 05, 2018

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I put the code in the field. (as a "Refresh" button to be precise that way if I change the dates I can refresh)

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New Here ,
Feb 05, 2018 Feb 05, 2018

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isn't that the code in the Document JavaScript?

This one:

/*** Get the ISO week date week number */

Date.prototype.getWeek = function () {
    // Create a copy of this date object;
    var target  = new Date(this.valueOf());
    //var target  = new Date(this.getField("WeekBegin").value);

    // ISO week date weeks start on Monday;
    // so correct the day number;
    var dayNr   = (this.getDay() + 6) % 7;

    // ISO 8601 states that week 1 is the week;
    // with the first Thursday of that year.;
    // Set the target date to the Thursday in the target week;
    target.setDate(target.getDate() - dayNr + 3);

    // Store the millisecond value of the target date;
    var firstThursday = target.valueOf();

    // Set the target to the first Thursday of the year;
    // First set the target to January first
    target.setMonth(0, 1);
    // Not a Thursday? Correct the date to the next Thursday
    if (target.getDay() != 4) {
        target.setMonth(0, 1 + ((4 - target.getDay()) + 7) % 7);
    }

    // The weeknumber is the number of weeks between the
    // first Thursday of the year and the Thursday in the target week
    return 1 + Math.ceil((firstThursday - target) / 604800000); // 604800000 = 7 * 24 * 3600 * 1000
}

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Most Valuable Participant ,
Feb 05, 2018 Feb 05, 2018

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Yes. Did you put it there?
I just tried it myself and it's working fine... I don't know what you're doing to get it not to work.

See: WeekNumberTest.pdf - Google Drive

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New Here ,
Feb 05, 2018 Feb 05, 2018

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ok when I open your pdf, if I change the date it still shows 6 even after pressing button?

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Most Valuable Participant ,
Feb 05, 2018 Feb 05, 2018

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Depends. What did you change it to?

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New Here ,
Feb 05, 2018 Feb 05, 2018

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I just put 010118. hoping for 1 for week 1

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Most Valuable Participant ,
Feb 05, 2018 Feb 05, 2018

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Works fine for me:

So after you click the button it still shows 6? What application did you open it in?

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New Here ,
Feb 05, 2018 Feb 05, 2018

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I'm using Adobe Acrobat DC.

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New Here ,
Feb 05, 2018 Feb 05, 2018

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Just tried it on Acrobat Reader and still doesn't work..

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Most Valuable Participant ,
Feb 05, 2018 Feb 05, 2018

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Don't know what to tell you. It's working just fine on my end.

Did you press the button after changing the value of the first field?

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New Here ,
Feb 05, 2018 Feb 05, 2018

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Tried opening on phone and tried there, and still not working.

Gonna try on another pc now

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New Here ,
Feb 05, 2018 Feb 05, 2018

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ok funny thing is, it works on my other pc using Adobe Acrobat DC?

WTH?

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Most Valuable Participant ,
Feb 05, 2018 Feb 05, 2018

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Maybe you have JS disabled on the other computer, or something like that.

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New Here ,
Feb 05, 2018 Feb 05, 2018

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But it works for some other js functions.. really weird

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