tab.jsx

// 環境設定 > インターフェイス > タブでドキュメントを開く のチェックを外す
// =======================================================
var idsetd = charIDToTypeID( "setd" );
    var desc1 = new ActionDescriptor();
    var idnull = charIDToTypeID( "null" );
        var ref1 = new ActionReference();
        var idPrpr = charIDToTypeID( "Prpr" );
        var idinterfacePrefs = stringIDToTypeID( "interfacePrefs" );
        ref1.putProperty( idPrpr, idinterfacePrefs );
        var idcapp = charIDToTypeID( "capp" );
        var idOrdn = charIDToTypeID( "Ordn" );
        var idTrgt = charIDToTypeID( "Trgt" );
        ref1.putEnumerated( idcapp, idOrdn, idTrgt );
    desc1.putReference( idnull, ref1 );
    var idT = charIDToTypeID( "T   " );
        var desc2 = new ActionDescriptor();
        var idopenNewDocsAsTabs = stringIDToTypeID( "openNewDocsAsTabs" );
        desc2.putBoolean( idopenNewDocsAsTabs, false );
    var idinterfacePrefs = stringIDToTypeID( "interfacePrefs" );
    desc1.putObject( idT, idinterfacePrefs, desc2 );
executeAction( idsetd, desc1, DialogModes.NO );

// 環境設定 > インターフェイス > タブでドキュメントを開く にチェック
// =======================================================
var idsetd = charIDToTypeID( "setd" );
    var desc1 = new ActionDescriptor();
    var idnull = charIDToTypeID( "null" );
        var ref1 = new ActionReference();
        var idPrpr = charIDToTypeID( "Prpr" );
        var idinterfacePrefs = stringIDToTypeID( "interfacePrefs" );
        ref1.putProperty( idPrpr, idinterfacePrefs );
        var idcapp = charIDToTypeID( "capp" );
        var idOrdn = charIDToTypeID( "Ordn" );
        var idTrgt = charIDToTypeID( "Trgt" );
        ref1.putEnumerated( idcapp, idOrdn, idTrgt );
    desc1.putReference( idnull, ref1 );
    var idT = charIDToTypeID( "T   " );
        var desc2 = new ActionDescriptor();
        var idopenNewDocsAsTabs = stringIDToTypeID( "openNewDocsAsTabs" );
        desc2.putBoolean( idopenNewDocsAsTabs, true );
    var idinterfacePrefs = stringIDToTypeID( "interfacePrefs" );
    desc1.putObject( idT, idinterfacePrefs, desc2 );
executeAction( idsetd, desc1, DialogModes.NO );