Export_Multiple_PDF.jsx

//Export_Multiple_PDF.jsx
//An InDesign CS5 JavaScript
//Bruno Herfst 2010

//Print multiple PDFs with presetscover for covers made with coverbuilder

#target InDesign;

try {
	//global vars
	var PDFcount = 2;
	var myPDFfrontCover=new Array();
	var myPDFExport=new Array();
	var myPreset = new Array();
	var myCVR1 = new Array();
	var myDocument = app.activeDocument;
	var myDocumentName = seperate(myDocument.name,false);
	var myPresets = app.pdfExportPresets.everyItem().name;
	myPresets.unshift("- Select Preset -");
	makePDF(myDocument,PDFcount);
} catch(err) {
	var txt=err.description;
	alert(txt);
	exit();
}


//////////////////////// F U N C T I O N S ///////////////////////////////////////////////


function seperate(myFileName,extension) {
	if (extension == true){
		return myFileName.replace(/^.*\./,'');
	} else {
		return myFileName.replace(/.[^.]+$/,'');
	}
}

function makePDF(myDocument,amount){
	myCounter = 0;
	myPDFExport=[];
	myPDFfrontCover=[];
	
	var myWin = new Window('dialog', 'Export '+amount+' PDFs');
	myWin.orientation = 'column';
	
	myWin.btnAdd = myWin.add('button', undefined, '+');
  	myWin.btnRem = myWin.add('button', undefined, '-');
  	
	for (var i=0; i<amount; i++) {
		myPDFExport[i] = myWin.add('dropdownlist',[0,0,250,20],undefined,{items:myPresets});
		myPDFExport[i].selection = 0;
		myPDFfrontCover[i] = myWin.add('dropdownlist',[0,0,250,20],undefined,{items:["All","CVR1"]});
		myPDFfrontCover[i].selection = 0;
		myCounter++;
  	}
  
  	myWin.btnC = myWin.add('button', undefined, 'Cancel');
	myWin.btnOK = myWin.add('button', undefined, 'OK');
	
	//button functionality
	myWin.btnC.onClick = function () { myWin.close(0); };
	myWin.btnOK.onClick = function () { myWin.close(1); };
	myWin.btnAdd.onClick = function () { myWin.close(2); };
	myWin.btnRem.onClick = function () { myWin.close(3); };
	
	myWin.center();
	var myWindow = myWin.show();

	if(myWindow == 1){ // OK
		for(var i=0; i<myCounter; i++){
			//check presets
			if(String(myPDFExport[i].selection) == "- Select Preset -"){
				myPreset[i] = false;
			} else {
				myPreset[i] = String(myPDFExport[i].selection);
			}
			//check page Setting
			if(String(myPDFfrontCover[i].selection) == "CVR1"){
				myCVR1[i] = true;
			} else {
				myCVR1[i] = false;
			}
		}
		exportPDFs();
	}else if(myWindow == 2){ // ADD
		resetWin(true)
	}else if(myWindow == 3){ // SUBTRACT
		resetWin(false)
	}else{ /* Cancel */ }
}

function resetWin(add){
	if(add == true){
		PDFcount +=1;
	}else{
		PDFcount -=1;
		if(PDFcount < 1){
			PDFcount =1;
		}
	}
	makePDF(myDocument,PDFcount);
}

function stripFileName(myString){
	s = myString.replace(/[:\\\/\*\?\"\'<>|]/g,"");
	return s;
}

function exportPDFs(){
	//get the export location
	var myFolder = Folder.selectDialog ("Choose a Folder to save PDF");
	if(myFolder != null){
		//do all presets
		for(var i=0; i<myPreset.length; i++){
			app.pdfExportPreferences.exportReaderSpreads=false;
			if(myPreset[i] == false){
				alert("Did not output PDF No "+i+"\nNo preset selected");
			}else{
				var myExportPreset = app.pdfExportPresets.item(myPreset[i]);
				var myPresetName = stripFileName(myPreset[i]);
				if(myCVR1[i] == true){
					if(myDocumentName.match(/CVR/g)){
						myDocumentName = myDocumentName.replace(/CVR/g,"CVR1");
						var myFilePath = myFolder + "/" + myDocumentName + myPresetName + ".pdf";
					}else{
						var myFilePath = myFolder + "/" + myDocumentName + "_CVR1_" + myPresetName + ".pdf";
					}
					//export front cover only
					app.pdfExportPreferences.pageRange="3";
					app.pdfExportPreferences.exportReaderSpreads=false;
				}else{
					//export all pages
					app.pdfExportPreferences.pageRange="All";
					app.pdfExportPreferences.exportReaderSpreads=true;
					var myFilePath = myFolder + "/" + myDocumentName + "_CVR_" + myPresetName + ".pdf";
				}
				// Let’s start exporting
				var myFile = new File(myFilePath);
				myDocument.exportFile(ExportFormat.PDF_TYPE, File(myFile), false, myExportPreset);
			}
		}//end do all presets
	}else{
		alert("No location selected");
	}
}