select-all-masks-on layer.jsx

/**
 * @author redefinery with some edits by fabiantheblind
 * @description select all masks on layer
 * take a look into the fundamentals
 * http://www.redefinery.com/ae/fundamentals/
 * @todo [description]
 */
// given:
// layer = Layer object, and the layer can have masks applied
//
fun();
function fun() {


  app.beginUndoGroup('XXX');

  var curComp = app.project.activeItem;
  if (!curComp || !(curComp instanceof CompItem)) {
    alert('noComp');
    return;
  }

  var layer = curComp.selectedLayers[0];

  var masksGroup = layer('Masks');
  var selectedMasks = new Array();                 // Store masks in an array; starts as empty
  if (masksGroup != null) {
                                                 // Iterate through properties of masksGroup
                                                 // Append selected mask to the array
    for (var i = 1; i <= masksGroup.numProperties; i++) {
      masksGroup.property(i).selected = true;
    }
// ~         if (masksGroup.property(i).selected)
// ~             selectedMasks[selectedMasks.length] = masksGroup.property(i);
// ~ }
// The selectedMasks array now contains the list of selected masks
// in top-to-bottom order


  }
  app.endUndoGroup();

}