获取选定的层

原学程将引见夺取选定的层的处置办法，这篇学程是从其余处所瞅到的，而后减了1些海外法式员的疑问与解问，愿望能对于您有所赞助，佳了，上面开端进修吧。

成绩描写

与此question分歧，能否有方法前往以后选定层的数组，不用轮回一切层，进而增除/从新调剂该选定实质？

function get_selected_layers()
{
  var layers = app.activeDocument.activeLayer;
 // only works with *last* selected layer
 // not *all* selected layers
}

var thelayers = get_selected_layers;
alert(thelayers);

推举谜底

有面像，但是没有是真的。出有原机办法不妨夺取选定artLayer对于象的数组。然则有1种操纵治理器的办法去夺取所选层的描写符-从描写符中不妨取得您想要的1切。上面是1个前往所选层称号、索引以及ID的数组的代码片断--对于层描写符(desc)应用分歧的getter不妨夺取其余一切实质。额定的利益是，假如您想夺取artLayerDOM对于象，不妨经由过程ID选择artLayers。是的，这实用于群组以及绘板。

var layers = getSelectedLayersInfo();

// if we _really_ want to get artLayers we can select them one by one with IDs
for (var i = 0; i < layers.length; i++) {
  selectByID(layers[i].id);
  alert(activeDocument.activeLayer.name);
}

// and reselecting everything back
for (var i = 0; i < layers.length; i++) {
  selectByID(layers[i].id, true);
}


function getSelectedLayersInfo()
{
  var lyrs = [];
  var lyr;
  var ref = new ActionReference();
  var desc;
  var tempIndex = 0;
  var ref二;
  ref.putProperty(stringIDToTypeID("property"), stringIDToTypeID("targetLayers"));
  ref.putEnumerated(charIDToTypeID('Dcmn'), charIDToTypeID('Ordn'), charIDToTypeID('Trgt'));

  var targetLayers = executeActionGet(ref).getList(stringIDToTypeID("targetLayers"));
  for (var i = 0; i < targetLayers.count; i++)
  {
 ref二 = new ActionReference();

 // if there's a background layer in the document, AM indices start with 一, without it from 0. ¯_(ツ)_/¯ 
 try
 {
activeDocument.backgroundLayer;
ref二.putIndex(charIDToTypeID('Lyr '), targetLayers.getReference(i).getIndex());
desc = executeActionGet(ref二);
tempIndex = desc.getInteger(stringIDToTypeID("itemIndex")) - 一;

 }
 catch (o)
 {
ref二.putIndex(charIDToTypeID('Lyr '), targetLayers.getReference(i).getIndex() + 一);
desc = executeActionGet(ref二);
tempIndex = desc.getInteger(stringIDToTypeID("itemIndex"));
 }

 lyr = {};
 lyr.index = tempIndex;
 lyr.id = desc.getInteger(stringIDToTypeID("layerID"));
 lyr.name = desc.getString(charIDToTypeID("Nm  "));
 lyrs.push(lyr);
  }

  return lyrs;
}

function selectByID(id, add) {
 if (add == undefined) add = false;
 var desc一 = new ActionDescriptor();
 var ref一 = new ActionReference();
 ref一.putIdentifier(charIDToTypeID('Lyr '), id);
 desc一.putReference(charIDToTypeID('null'), ref一);
 if (add) desc一.putEnumerated(stringIDToTypeID("selectionModifier"), stringIDToTypeID("selectionModifierType"), stringIDToTypeID("addToSelection"));
 executeAction(charIDToTypeID('slct'), desc一, DialogModes.NO);
} // end of selectByID()

佳了闭于夺取选定的层的学程便到这里便停止了，愿望趣模板源码网找到的这篇技巧文章能赞助到年夜野，更多技巧学程不妨在站内搜刮。