#target illustrator


try {

	if (app.documents.length > 0 ) {


		var destFolder = null;
		destFolder = Folder.selectDialog( 'Sélectionner le dossier d\'export pour la preview.', '~' );

		if (destFolder != null) {
			var options, i, sourceDoc, targetFile;


			options = this.getOptions();


			for ( i = 0; i < app.documents.length; i++ ) {
				sourceDoc = app.documents[i];


				targetFile = this.getTargetFile(' [preview]' + sourceDoc.name,'.pdf', destFolder);


				sourceDoc.saveAs( targetFile, options );
			}
			alert( 'Previews enregistrés au format PDF' );
		}
	}
	else{
		throw new Error('Aucun document ouvert.');
	}
}
catch(e) {
	alert( e.message, "Alerte de script", true);
}


function getOptions()
{

	var options = new PDFSaveOptions();

	options.acrobatLayers = true;
	options.colorBars = true;
	options.colorCompression = CompressionQuality.JPEGLOW;
	options.compressArt = true;
	options.embedICCProfile = true;
	options.enablePlainText = true;
	options.generateThumbnails = false;
	options.optimization = true;
	options.pageInformation = false;
    options.compatibility = PDFCompatibility.ACROBAT7;

	return options;
}


function getTargetFile(docName, ext, destFolder) {
	var newName = "";


	if (docName.indexOf('.') < 0) {
		newName = docName + ext;
	} else {
		var dot = docName.lastIndexOf('.');
		newName += docName.substring(0, dot);
		newName += ext;
	}


	var myFile = new File( destFolder + '/' + newName );


	if (myFile.open("w")) {
		myFile.close();
	}
	else {
		throw new Error('Accès refusé');
	}
	return myFile;
}

printPostScript();

function printPostScript() {

    app.userInteractionLevel = UserInteractionLevel.DISPLAYALERTS;

    var docPath, docs, inFolder, opts, psPath;

    jobOpts = new PrintJobOptions();

    opts = new PrintOptions();

    opts.printPreset = 'PostScript';

    opts.jobOptions =  jobOpts;
     var sepOpts = new PrintColorSeparationOptions();
    opts.colorSeparationOptions = sepOpts;
    var fontOpts = new PrintFontOptions();
    opts.fontOptions = fontOpts;
    fontOpts.downloadFonts = PrintFontDownloadMode.DOWNLOADNONE;
    fontOpts.fontSubstitution = FontSubstitutionPolicy.SUBSTITUTEDEVICE;
    opts.customPaperSupport = true;
    sepOpts.convertSpotColors = true;
    sepOpts.overPrintBlack = true;
    sepOpts.colorSeparationMode = PrintColorSeparationMode.HOSTBASEDSEPARATION;
    var psOpts = new PrintPostScriptOptions();
    opts.postScriptOptions = psOpts;
    psOpts.postScriptLevel = PrinterPostScriptLevelEnum.PSLEVEL3;
    if ( app.documents.length > 0 ) {

        docs = app.documents;

    } else {

       inFolder = Folder.selectDialog( 'Select Source Folder...' );

        if ( inFolder != null ) {

            docs = inFolder.getFiles( '*.ai' );

       };

    };


    for ( i = docs.length-1; i >= 0; i-- ) {

        if ( docs[i] instanceof File ) {

            app.open( docs[i] );

        } else {

            app.activeDocument = docs[i];

        };

        docPath = decodeURI( app.activeDocument.fullName );

        psPath = docPath.replace( /.ai$/, '.ps' );

        jobOpts.file = File( psPath );

        app.activeDocument.print( opts);

        app.activeDocument.close( SaveOptions.DONOTSAVECHANGES );

    };

    app.userInteractionLevel = UserInteractionLevel.DISPLAYALERTS;

};