Hola Julio, I updated the script to rename visible Layers or Sublayers, and also fixed the Color
#target illustrator
main();
function main(){
if(!documents.length) return;
//var allLayers = app.activeDocument.layers;
var win = new Window( 'dialog', '' );
g = win.graphics;
// var myBrush = g.newBrush(g.BrushType.SOLID_COLOR, [0.99, 0.99, 0.99, 1]); // CS5
var myBrush = g.newBrush(g.BrushType.SOLID_COLOR, [0.50, 0.50, 0.50, 1]); // CS6
g.backgroundColor = myBrush;
win.orientation='stack';
win.p1= win.add("panel", undefined, undefined, {borderStyle:"black"});
win.g1 = win.p1.add('group');
win.g1.orientation = "row";
win.title = win.g1.add('statictext',undefined,'Rename Visible Layers or Sublayers');
win.title.alignment="fill";
var g = win.title.graphics;
g.font = ScriptUI.newFont("Georgia","BOLDITALIC",22);
win.g5 =win.p1.add('group');
win.g5.orientation = "column";
win.g5.alignChildren='left';
win.g5.spacing=10;
win.g5.st1 = win.g5.add('statictext',undefined,'New layer name');
win.g5.et1 = win.g5.add('edittext');
win.g5.et1.preferredSize=[250,20];
win.g10 =win.p1.add('group');
win.g10.orientation = "row";
win.g10.alignment='fill';
win.g10.spacing=10;
win.g10.st1 = win.g10.add('statictext',undefined,'Serial Number');
win.g10.et1 = win.g10.add('edittext',undefined,'1');
win.g10.et1.preferredSize=[50,20];
win.g10.et1.onChanging = function() {
if (this.text.match(/[^\-\.\d]/)) {
this.text = this.text.replace(/[^\-\.\d]/g, '');
}
};
win.g10.st1 = win.g10.add('statictext',undefined,'Length');
var nums=[2,3,4,5];
win.g10.dl1 = win.g10.add('dropdownlist',undefined,nums);
win.g10.dl1.selection=0;
win.g15 =win.p1.add('group');
win.g15.orientation = "row";
win.g15.alignment='fill';
win.g15.cb1 = win.g15.add('checkbox',undefined,'Reverse layer order');
win.g15.cb2 = win.g15.add('checkbox',undefined,'Rename Sublayers Only');
win.g100 =win.p1.add('group');
win.g100.orientation = "row";
win.g100.alignment='center';
win.g100.spacing=10;
win.g100.bu1 = win.g100.add('button',undefined,'Rename');
win.g100.bu1.preferredSize=[120,30];
win.g100.bu2 = win.g100.add('button',undefined,'Cancel');
win.g100.bu2.preferredSize=[120,30];
win.g100.bu1.onClick=function(){
if(win.g5.et1.text == ''){
alert("No layer name has been entered!");
return;
}
win.close(0);
var sublayersOnly = win.g15.cb2.value;
var visibleLayers = [];
getVisibleLayers (app.activeDocument, visibleLayers, sublayersOnly);
if(win.g15.cb1.value) visibleLayers.reverse();
for(b=0; b<visibleLayers.length; b++){
var LayerName = win.g5.et1.text + zeroPad((Number(win.g10.et1.text)+Number(b)), Number(win.g10.dl1.selection.text));
visibleLayers.name = LayerName;
}
}
win.center();
win.show();
function getVisibleLayers(container, visibleLayers, sublayersOnly) {
for(var a=0; a<container.layers.length; a++){
var ilayer = container.layers;
if (ilayer.visible) {
if (sublayersOnly) {
getVisibleLayers (ilayer, visibleLayers, false); // false to process only 1 sublayer depth
}
else
visibleLayers.push(ilayer);
}
}
}
}
function zeroPad(n, s) {
n = n.toString();
while (n.length < s) n = '0' + n;
return n;
};