Add different Section Prefix and same page number to independent pages in Spread

Question

Hi,First post here, so still trying to wrap my head around the way javascript interacts with inDesign.Basically I wanted to write a script that if I select a spread then it adds a prefix to each of the pages sequentially *the actual defined prefix e.g. 'P' bit can remain in the code*And then brings up a pop up that lets you choose the page number to apply after all those prefixes i.e. '3'Is this possible?Thanks SamIn this example I would like to be able to tell it rename the currently selected spread —which was duplicated from above—to 'S3, P3, N3'

daitranthanhoa · Accepted Answer

In spite of uploading your code somewhere far, it is better you put it on forum only.

Because he is not the only person to use it.

Lot of other people for seeking such code and needs explanation of what you did.

it is better you copy your code here itself.

#target indesign
if(app.documents.length>0)
{
var dlg = new Window('dialog', "Add Section Name");

dlg.panel = dlg.add('panel', undefined, "");
dlg.panel.alignChildren = "fill";
dlg.title1 = dlg.panel.add('statictext', undefined, "Prefix");
dlg.prefix = dlg.panel.add('edittext', undefined, "S");
dlg.title2 = dlg.panel.add('statictext', undefined, "Start Page");
dlg.startpage = dlg.panel.add('edittext', undefined, "1");
dlg.title3= dlg.panel.add('statictext', undefined, "Current Page");
dlg.pageno = dlg.panel.add('edittext', undefined, "1");
var btnOk = dlg.add("button", undefined, "OK");
var btnClose = dlg.add("button", undefined, "Cancel");
var doc=app.activeDocument;
btnOk.onClick = function(){
        dlg.close (12345);
}
try
{
     dlg.pageno.text=app.activeWindow .activePage.documentOffset +1 ;
     dlg.startpage.text=app.activeWindow .activePage.parent.index+1;
}
catch(e)
{
    dlg.pageno.text=1;
}
btnClose.onClick = function(){
        dlg.close ();
    }
if(dlg.show() == 12345) {

       var prefix=dlg.prefix.text;
      var startPage=Number(dlg.startpage.text);
      var currentPage=Number(dlg.pageno.text);
      var arr=prefix.split(",");
      var   oSection;
      var secId=0;
      //Delete old section in spread
      for (var i=0;i<doc.pages[currentPage-1 ].parent.pages.length;i++)
      {
           if(currentPage-1 + i >0)
              secId=doc.pages[currentPage-2+ i ].appliedSection.id ;
           if(doc.pages[currentPage-1 ].parent.pages.documentOffset+1>currentPage && doc.pages[currentPage-1 ].parent.pages.appliedSection.id !=secId)
              doc.pages[currentPage-1 ].parent.pages.appliedSection.remove();
       }
      //Add new section
      for (var i=0;i<arr.length;i++)
      {
           if(currentPage-1 + i >0)
              secId=doc.pages[currentPage-2+ i ].appliedSection.id ;
           if(doc.pages[currentPage-1 + i ].appliedSection.id !=secId)
           {
               oSection=doc.pages[currentPage-1 + i ].appliedSection
                oSection.sectionPrefix = arr;
               // oSection.pageStart =;
                oSection.continueNumbering = false;
                oSection.pageNumberStart = startPage;
            }
           else
           {
                oSection = doc.sections.add( );
                oSection.sectionPrefix = arr;
                oSection.pageStart =doc.pages[currentPage-1 + i ];
                oSection.continueNumbering = false;
                oSection.pageNumberStart = startPage;
           }

      }
}
}

You can use above script to set page name for each Spreads.

With your example:

Spread 1: input prefix= S,P,N ; start page =1; current page =1.

Spread 2: input prefix=S,P,N ; start page =2; current page =4.

If you dupplicate new spread, you can set the same.

you can double to first page of each spreads before run script,

It will auto get [start page] and [current page] for you

Sunil Yadav · Answer

First Understand the concept of adding or getting section here : https://www.indesignjs.de/extendscriptAPI/indesign-latest/#Section.html ,

For your reference: Rename every page to a text field that page ,

And here is the code you can try or modify accordingly:

var myDoc = app.documents[0];
var myPageNumber = 1;
var pages = myDoc.pages;
var myPrefix = ["S","P","N"];
var preFixConuter = 0;
for(var i = 0; i < pages.length; i++){
    try{
        var sec = myDoc.sections.add(pages);
        }
    catch(e){
        var sec = pages.appliedSection;
        }
    sec.continueNumbering = false;
    sec.pageNumberStart = myPageNumber;
    sec.sectionPrefix = myPrefix[preFixConuter];
    if(preFixConuter < 2){
        preFixConuter++;
        }
    else if(preFixConuter == 2){
        myPageNumber++;
        preFixConuter = 0;
        }
    }

As far as your pages from spread is concerned, you can check this out:

var myDoc = app.documents[0];
var spreads = myDoc.spreads;
var myPrefix = ["S","P","N"];
for(var i = 0; i < spreads.length; i++){
    for(var j = 0; j < spreads.pages.length; j++){
        try{
            var sec = myDoc.sections.add(spreads.pages);
            }
        catch(e){
            var sec = spreads.pages.appliedSection;
            }
        sec.continueNumbering = false;
        sec.pageNumberStart = parseInt(j+1);
        sec.sectionPrefix = myPrefix;
        }
    }

Best

Sunil

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