This will give you a list of selected layers, the array will be zero if no layers are selected. var selectedLayer = getSelectedLayersIdx(); if(!selectedLayer.length) alert("no layers selected"); function getSelectedLayersIdx(){ var selectedLayers = new Array; var ref = new ActionReference(); ref.putEnumerated( charIDToTypeID("Dcmn"), charIDToTypeID("Ordn"), charIDToTypeID("Trgt") ); var desc = executeActionGet(ref); if( desc.hasKey( stringIDToTypeID( 'targetLayers' ) ) ){ desc = desc.getList( stringIDToTypeID( 'targetLayers' )); var c = desc.count var selectedLayers = new Array(); for(var i=0;i<c;i++){ try{ activeDocument.backgroundLayer; selectedLayers.push( desc.getReference( i ).getIndex() ); }catch(e){ selectedLayers.push( desc.getReference( i ).getIndex()+1 ); } } }else{ var ref = new ActionReference(); ref.putProperty( charIDToTypeID("Prpr") , charIDToTypeID( "ItmI" )); ref.putEnumerated( charIDToTypeID("Lyr "), charIDToTypeID("Ordn"), charIDToTypeID("Trgt") ); try{ activeDocument.backgroundLayer; selectedLayers.push( executeActionGet(ref).getInteger(charIDToTypeID( "ItmI" ))-1); }catch(e){ selectedLayers.push( executeActionGet(ref).getInteger(charIDToTypeID( "ItmI" ))); } var vis = app.activeDocument.activeLayer.visible; if(vis == true) app.activeDocument.activeLayer.visible = false; var desc9 = new ActionDescriptor(); var list9 = new ActionList(); var ref9 = new ActionReference(); ref9.putEnumerated( charIDToTypeID('Lyr '), charIDToTypeID('Ordn'), charIDToTypeID('Trgt') ); list9.putReference( ref9 ); desc9.putList( charIDToTypeID('null'), list9 ); executeAction( charIDToTypeID('Shw '), desc9, DialogModes.NO ); if(app.activeDocument.activeLayer.visible == false) selectedLayers.shift(); app.activeDocument.activeLayer.visible = vis; } return selectedLayers; };
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