git.roojs.org Git - app.Builder.js/blob - src/JsRender/NodeToJs.vala

   1 /**
   2  *
   3  * Code to convert node tree to Javascript...
   4  *
   5  * usage : x = (new JsRender.NodeToJs(node)).munge();
   6  *
   7 */
   8
   9
  10
  11
  12 public class JsRender.NodeToJs : Object {
  13
  14         static uint indent = 1;
  15         static string indent_str = " ";
  16
  17         Node node;
  18         Gee.ArrayList<string>  doubleStringProps;  // need to think if this is a good idea like this
  19         string pad;
  20
  21         //Gee.ArrayList<string> els;
  22         //Gee.ArrayList<string> skip;
  23         //Gee.HashMap<string,string> ar_props;
  24
  25         Gee.HashMap<string,string> out_props;
  26         Gee.HashMap<string,string> out_listeners;
  27         Gee.HashMap<string,Node> out_nodeprops;
  28         Gee.ArrayList<Node> out_children;
  29         Gee.HashMap<string,Gee.ArrayList<Node>> out_props_array;
  30         Gee.HashMap<string,Gee.ArrayList<string>> out_props_array_plain;
  31
  32         NodeToJs top;
  33         public string ret;
  34
  35         public int cur_line;
  36
  37
  38         public NodeToJs( Node node, Gee.ArrayList<string> doubleStringProps, string pad, NodeToJs? parent)
  39         {
  40                 this.node = node;
  41                 this.doubleStringProps = doubleStringProps;
  42                 this.pad = pad;
  43
  44                 //this.els = new Gee.ArrayList<string>();
  45                 //this.ar_props = new Gee.HashMap<string,string>();
  46
  47
  48                 this.out_props = new Gee.HashMap<string,string>();
  49                 this.out_listeners = new Gee.HashMap<string,string>();
  50                 this.out_nodeprops = new Gee.HashMap<string,Node>() ;
  51                 this.out_children = new Gee.ArrayList<Node> ();
  52                 this.out_props_array = new Gee.HashMap<string,Gee.ArrayList<Node>>() ;
  53                 this.out_props_array_plain = new Gee.HashMap<string,Gee.ArrayList<string>>() ;
  54
  55
  56
  57                 this.cur_line = parent == null ? 0 : parent.cur_line  ; //-1 as we usuall concat onto the existin gline?
  58                 this.ret = "";
  59                 this.top = parent == null ? this : parent.top;
  60                 // reset the maps...
  61                 if (parent == null) {
  62                         node.node_lines = new Gee.ArrayList<int>();
  63                         node.node_lines_map = new Gee.HashMap<int,Node>();
  64                  }
  65         }
  66
  67
  68
  69
  70
  71
  72         public string munge ( )
  73         {
  74                 //return this.mungeToString(this.node);
  75
  76                 this.node.line_start = this.cur_line;
  77
  78                 this.checkChildren();
  79                 this.readProps();
  80                 //this.readArrayProps();
  81                 this.readListeners();
  82
  83                 if (!this.node.props.has_key("* xinclude")) {
  84                         this.iterChildren();
  85                 }
  86
  87
  88
  89                 // no properties to output...
  90                 //if (this.els.size < 1) {
  91                 //      return "";
  92                 //}
  93
  94                 this.mungeOut();
  95                 return this.ret;
  96
  97                 /*
  98                 // oprops...
  99
 100                 var spad = this.pad.substring(0, this.pad.length-indent);
 101
 102
 103                 var str_props = gLibStringListJoin(",\n" + this.pad , this.els) ;
 104                 //print ("STR PROPS: " + str_props);
 105
 106
 107
 108                 if (!this.node.props.has_key("* xinclude")) {
 109                         return   "{\n" +
 110                                 this.pad  + str_props +
 111                                 "\n" + spad +  "}";
 112                 }
 113                 // xinclude...
 114
 115
 116                 return "Roo.apply(" + this.node.props.get("* xinclude") + "._tree(), "+
 117                          "{\n" +
 118                                 this.pad  + str_props +
 119                                 "\n" + spad +  "})";
 120                 */
 121         }
 122                 /**
 123
 124         This currently works by creating a key/value array of this.els, which is just an array of properties..
 125         this is so that join() works...
 126
 127         how this could work:
 128         a) output header
 129         b) output plan properties.
 130         c) output listeners..
 131         c) output *prop
 132         g) output prop_arrays..
 133         d) output children
 134         e)
 135
 136
 137
 138         */
 139
 140         public Gee.ArrayList<string> orderedPropKeys() {
 141
 142                 var ret = new Gee.ArrayList<string> ();
 143                 var niter = this.out_props.map_iterator();
 144                 while(niter.next()) {
 145                         ret.add(niter.get_key());
 146                 }
 147
 148                 ret.sort((  a,  b) => {
 149                         return ((string)a).collate((string)b);
 150                         //if (a == b) return 0;
 151                         //return a < b ? -1 : 1;
 152                 });
 153                 return ret;
 154         }
 155         public Gee.ArrayList<string> orderedListenerKeys() {
 156
 157                 var ret = new Gee.ArrayList<string> ();
 158                 var niter = this.out_listeners.map_iterator();
 159                 while(niter.next()) {
 160                         ret.add(niter.get_key());
 161                 }
 162
 163                 ret.sort((  a,  b) => {
 164                         return ((string)a).collate((string)b);
 165                         //if (a == b) return 0;
 166                         //return a < b ? -1 : 1;
 167                 });
 168                 return ret;
 169         }
 170
 171
 172         public string mungeOut()
 173         {
 174                 this.node.line_start = this.cur_line;
 175                 this.top.node.setNodeLine(this.cur_line, this.node);
 176                 var spad = this.pad.substring(0, this.pad.length-indent);
 177
 178                 if (this.node.props.has_key("* xinclude")) {
 179                         this.addLine("Roo.apply(" + this.node.props.get("* xinclude") + "._tree(), {");
 180
 181                 } else {
 182                         this.addLine("{");
 183                 }
 184                 var suffix = "";
 185                 // output the items...
 186                 // work out remaining items...
 187                 var  total_nodes = this.out_props.size +
 188                                 this.out_props_array_plain.size +
 189                                 (this.out_listeners.size > 0 ? 1 : 0) +
 190                                 this.out_nodeprops.size +
 191                                 this.out_props_array.size +
 192                                 (this.out_children.size > 0 ? 1 : 0);
 193
 194
 195                 // * prop
 196
 197                 var niter = this.out_nodeprops.map_iterator();
 198
 199                 while(niter.next()) {
 200                         total_nodes--;
 201                         suffix = total_nodes > 0 ? "," : "";
 202                         var l = this.pad + niter.get_key() + " : " +
 203                                         this.mungeChildNew(this.pad + indent_str, niter.get_value()) + suffix;
 204                         this.addMultiLine(l);
 205                 }
 206
 207                 // plain properties.
 208                 var iter = this.orderedPropKeys().list_iterator();
 209                 while(iter.next()) {
 210                         total_nodes--;
 211                         suffix = total_nodes > 0 ? "," : "";
 212                         var k = iter.get();
 213                         var v = this.out_props.get(k);
 214
 215                         this.addMultiLine(this.pad + k + " : " + v + suffix);
 216                 }
 217                 /*
 218                 //                              out_props_array_plain -- not used?
 219                 var paiter = this.out_props_array_plain.map_iterator();
 220
 221                 while(paiter.next()) {
 222                         total_nodes--;
 223
 224                         this.addLine(this.pad + paiter.get_key() + " : [");
 225                         var paliter = paiter.get_value().list_iterator();
 226                         while (paliter.next()) {
 227                                 suffix = paliter.has_next()  ? "," : "";
 228                                 this.addMultiLine(this.pad + indent_str +   paliter.get() + suffix);
 229                         }
 230
 231                         suffix = total_nodes > 0 ? "," : "";
 232 //                                      this.mungeChild(this.pad + indent_str, niter.get_value())
 233                         this.addLine(this.pad + "]" + suffix);
 234                 }
 235                 */
 236
 237
 238
 239                 // prop arrays...
 240
 241                 var piter = this.out_props_array.map_iterator();
 242
 243                 while(piter.next()) {
 244                         total_nodes--;
 245
 246                         this.addLine(this.pad + piter.get_key() + " : [");
 247                         var pliter = piter.get_value().list_iterator();
 248                         while (pliter.next()) {
 249                                 suffix = pliter.has_next()  ? "," : "";
 250                                 this.addMultiLine(this.pad + indent_str +
 251                                         this.mungeChildNew(this.pad + indent_str  + indent_str, pliter.get()) + suffix);
 252                         }
 253
 254                         suffix = total_nodes > 0 ? "," : "";
 255
 256                         this.addLine(this.pad + "]" + suffix);
 257                 }
 258                 // listeners..
 259
 260                 if (this.out_listeners.size > 0 ) {
 261                         total_nodes--;
 262                         this.addLine(this.pad + "listeners : {");
 263                         iter = this.orderedListenerKeys().list_iterator();
 264
 265                         var sz = this.out_listeners.size;
 266                         while(iter.next()) {
 267                                 sz--;
 268                                 suffix = sz > 0 ? "," : "";
 269                                 var k = iter.get();
 270                                 var v = this.out_listeners.get(k);
 271                                 this.addMultiLine(this.pad + indent_str + k + " : " + v + suffix);
 272                         }
 273                         suffix = total_nodes > 0 ? "," : "";
 274                         this.addLine(this.pad + "}" + suffix);
 275
 276                 }
 277                 // children..
 278                 if (this.out_children.size > 0) {
 279                         this.addLine(this.pad + "items  : [" );
 280                         var cniter = this.out_children.list_iterator();
 281                         while (cniter.next()) {
 282                                 suffix = cniter.has_next()  ? "," : "";
 283                                 this.addMultiLine(this.pad + indent_str +
 284                                         this.mungeChildNew(this.pad + indent_str  + indent_str, cniter.get()) + suffix
 285                                 );
 286
 287                         }
 288
 289                         this.addLine(this.pad +   "]");
 290                 }
 291
 292                 if (this.node.props.has_key("* xinclude")) {
 293                         this.ret += spad + "})";
 294
 295                 } else {
 296                         this.ret += spad + "}";
 297                 }
 298                 this.node.line_end = this.cur_line;
 299                 this.node.sortLines();
 300                 return this.ret;
 301
 302         }
 303
 304
 305
 306
 307
 308         public void addLine(string str= "")
 309         {
 310                 this.cur_line ++;
 311                 this.ret += str+ "\n";
 312                 //this.ret +=  "/*%d*/ ".printf(this.cur_line -1) + str + "\n";
 313
 314
 315         }
 316
 317         public void addMultiLine(string str= "")
 318         {
 319                 //var l = cur_line;
 320                 this.cur_line += str.split("\n").length;
 321                 //this.ret +=  "/*%d*/ ".printf(l) + str + "\n";
 322                 this.ret +=   str + "\n";
 323         }
 324
 325         string gLibStringListJoin( string sep, Gee.ArrayList<string> ar)
 326         {
 327                 var ret = "";
 328                 for (var i = 0; i < ar.size; i++) {
 329                         ret += i>0 ? sep : "";
 330                         ret += ar.get(i);
 331                 }
 332                 return ret;
 333
 334         }
 335         public string mungeChild(string pad ,  Node cnode)
 336         {
 337                 var x = new  NodeToJs(cnode, this.doubleStringProps, pad, this);
 338                 return x.munge();
 339         }
 340
 341         public string mungeChildNew(string pad ,  Node cnode )
 342         {
 343                 var x = new  NodeToJs(cnode, this.doubleStringProps, pad, this);
 344
 345                 x.munge();
 346                 return x.ret;
 347         }
 348
 349
 350
 351         public void checkChildren ()
 352         {
 353
 354
 355                 // look throught he chilren == looking for * prop.. -- fixme might not work..
 356
 357
 358                 if (!this.node.hasChildren()) {
 359                         return;
 360                 }
 361                 // look for '*props'
 362
 363                 for (var ii =0; ii< this.node.items.size; ii++) {
 364                         var pl = this.node.items.get(ii);
 365                         if (!pl.props.has_key("* prop")) {
 366                                 //newitems.add(pl);
 367                                 continue;
 368                         }
 369
 370                         //print(JSON.stringify(pl,null,4));
 371                         // we have a prop...
 372                         //var prop = pl['*prop'] + '';
 373                         //delete pl['*prop'];
 374                         var prop = pl.get("* prop");
 375                         print("got prop "+ prop + "\n");
 376
 377                         // name ends in [];
 378                         if (! Regex.match_simple("\\[\\]$", prop)) {
 379                                 // it's a standard prop..
 380
 381                                 // munge property..??
 382
 383                                 this.out_nodeprops.set(prop, pl);
 384
 385                                 //this.els.add( prop  + " : " + this.mungeChild (  this.pad + indent_str,  pl));
 386
 387
 388                                 //keys.push(prop);
 389                                 continue;
 390                         }
 391
 392
 393
 394
 395                         var sprop  = prop.replace("[]", "");
 396                         print("sprop is : " + sprop + "\n");
 397
 398                         // it's an array type..
 399                         var old = "";
 400                         if (!this.ar_props.has_key(sprop)) {
 401
 402                                 this.ar_props.set(sprop, "");
 403                                 this.out_props_array.set(sprop, new Gee.ArrayList<Node>());
 404                         } else {
 405                                 old = this.ar_props.get(sprop);
 406                         }
 407                         var nstr  = old += old.length > 0 ? ",\n" : "";
 408                         nstr += this.mungeChild( this.pad + indent_str + indent_str + indent_str ,   pl);
 409                         this.out_props_array.get(sprop).add( pl);
 410                         this.ar_props.set(sprop, nstr);
 411
 412
 413                 }
 414
 415         }
 416         /*
 417  * Standardize this crap...
 418  *
 419  * standard properties (use to set)
 420  *          If they are long values show the dialog..
 421  *
 422  * someprop : ....
 423  * bool is_xxx  :: can show a pulldown.. (true/false)
 424  * string html
 425  * $ string html  = string with value interpolated eg. baseURL + ".."
 426  *  Clutter.ActorAlign x_align  (typed)  -- shows pulldowns if type is ENUM?
 427  * $ untypedvalue = javascript untyped value...
 428  * _ string html ... = translatable..
 429
 430  *
 431  * object properties (not part of the GOjbect being wrapped?
 432  * # Gee.ArrayList<Xcls_fileitem> fileitems
 433  *
 434  * signals
 435  * @ void open
 436  *
 437  * methods -- always text editor..
 438  * | void clearFiles
 439  * | someJSmethod
 440  *
 441  * specials
 442  * * prop -- string
 443  * * args  -- string
 444  * * ctor -- string
 445  * * init -- big string?
 446  *
 447  * event handlers (listeners)
 448  *   just shown
 449  *
 450  * -----------------
 451  * special ID values
 452  *  +XXXX -- indicates it's a instance property / not glob...
 453  *  *XXXX -- skip writing glob property (used as classes that can be created...)
 454  *
 455  *
 456  */
 457         public void readProps()
 458         {
 459                 string left;
 460                 Regex func_regex ;
 461
 462                 if (this.node.props.has_key("$ xns")) {
 463                         this.out_props.set("'|xns'", "'" +  this.node.props.get("$ xns") + "'" );
 464
 465                         //this.els.add("'|xns' : '" + this.node.props.get("$ xns") + "'");
 466
 467                 }
 468
 469
 470                 try {
 471                         func_regex = new Regex("^\\s+|\\s+$");
 472                 } catch (Error e) {
 473                         print("failed to build regex");
 474                         return;
 475                 }
 476                 // sort the key's so they always get rendered in the same order..
 477
 478                 var keys = new Gee.ArrayList<string>();
 479                 var piter = this.node.props.map_iterator();
 480                 while (piter.next() ) {
 481                         string k;
 482                         string ktype;
 483                         string kflag;
 484                         this.node.normalize_key(piter.get_key(), out k, out kflag, out ktype);
 485
 486                         keys.add(k);
 487                 }
 488
 489                 keys.sort((  a,  b) => {
 490                         return ((string)a).collate((string)b);
 491                         //if (a == b) return 0;
 492                         //return a < b ? -1 : 1;
 493                 });
 494
 495
 496
 497                 for (var i = 0; i< keys.size; i++) {
 498                         var key = this.node.get_key(keys.get(i));
 499                         print("ADD KEY %s\n", key);
 500                         string k;
 501                         string ktype;
 502                         string kflag;
 503
 504                         this.node.normalize_key(key, out k, out kflag, out ktype);
 505
 506
 507                         var v = this.node.get(key);
 508
 509
 510                         //if (this.skip.contains(k) ) {
 511                         //      continue;
 512                         //}
 513                         if (  Regex.match_simple("\\[\\]$", k)) {
 514                                 // array .. not supported... here?
 515
 516
 517                         }
 518
 519                         string leftv = k;
 520                         // skip builder stuff. prefixed with  '.' .. just like unix fs..
 521                         if (kflag == ".") { // |. or . -- do not output..
 522                                 continue;
 523                         }
 524                          if (kflag == "*") {
 525                                 // ignore '* prop'; ???
 526                                 continue;
 527                          }
 528
 529
 530                         if (Lang.isKeyword(leftv) || Lang.isBuiltin(leftv)) {
 531                                 left = "'" + leftv + "'";
 532                         } else if (Regex.match_simple("[^A-Za-z_]+",leftv)) { // not plain a-z... - quoted.
 533                                 var val = this.node.quoteString(leftv);
 534
 535                                 left = "'" + val.substring(1, val.length-2).replace("'", "\\'") + "'";
 536                         } else {
 537                                 left = leftv;
 538                         }
 539
 540
 541                         // next.. is it a function.. or a raw string..
 542                         if (
 543                                 kflag == "|"
 544                                 ||
 545                                 kflag == "$"
 546                                 ||
 547                                 ktype == "function"
 548
 549                                 // ??? any others that are raw output..
 550                                 ) {
 551                                 // does not hapepnd with arrays..
 552                                 if (v.length < 1) {  //if (typeof(el) == 'string' && !obj[i].length) { //skip empty.
 553                                         continue;
 554                                 }
 555                                 /*
 556                                 print(v);
 557                                 string str = "";
 558                                 try {
 559                                         str = func_regex.replace(v,v.length, 0, "");
 560                                 } catch(Error e) {
 561                                         print("regex failed");
 562                                         return "";
 563                                 }
 564                                 */
 565                                 var str = v.strip();
 566
 567                                 var lines = str.split("\n");
 568                                 var nstr = "" + str;
 569                                 if (lines.length > 0) {
 570                                         nstr =  string.joinv("\n" + this.pad, lines);
 571                                         //nstr =  string.joinv("\n", lines);
 572                                 }
 573                                 this.out_props.set(left, nstr);
 574                                 //print("==> " +  str + "\n");
 575                                 //this.els.add(left + " : "+  nstr);
 576                                 continue;
 577                         }
 578                         // standard..
 579
 580
 581                         if (
 582                                 Lang.isNumber(v)
 583                                 ||
 584                                 Lang.isBoolean(v)
 585                                 ||
 586                                 ktype.down() == "boolean"
 587                                 ||
 588                                 ktype.down() == "bool"
 589                                 ||
 590                                 ktype.down() == "number"
 591                                 ||
 592                                 ktype.down() == "int"
 593                             ) { // boolean or number...?
 594                             this.out_props.set(left, v.down());
 595                                 //this.els.add(left + " : " + v.down() );
 596                                 continue;
 597                         }
 598
 599                         // is it a translated string?
 600
 601
 602
 603
 604                         // strings..
 605                         //if (this.doubleStringProps.size < 1) {
 606                         //      this.els.add(left + this.node.quoteString(v));
 607                         //      continue;
 608                         //}
 609
 610                         if ((this.doubleStringProps.index_of(k) > -1) ||
 611                                 (ktype.down() == "string" && k[0] == '_')
 612
 613                         ) {
 614                                 // then use the translated version...
 615
 616                                 var com = " /* " +
 617                                         (v.split("\n").length > 1 ?
 618                                                 ("\n" + string.joinv(this.pad +  "\n", v.split("\n")).replace("*/", "* - /") + "\n" + this.pad + "*/ ") :
 619                                                 (v.replace("*/", "* - /") + " */")
 620                                         );
 621
 622                                 //this.els.add(left + " : _this._strings['" +
 623                                 //      GLib.Checksum.compute_for_string (ChecksumType.MD5, v) +
 624                                 //      "']"
 625                                 //);
 626                                 this.out_props.set(left, "_this._strings['" +
 627                                         GLib.Checksum.compute_for_string (ChecksumType.MD5, v) +
 628                                         "']" + com);
 629                                 continue;
 630                         }
 631
 632                         // otherwise it needs to be encapsulated.. as single quotes..
 633
 634                         var vv = this.node.quoteString(v);
 635                         // single quote.. v.substring(1, v.length-1).replace("'", "\\'") + "'";
 636                         //this.els.add(left + " : " +  "'" + vv.substring(1, vv.length-2).replace("'", "\\'") + "'");
 637                         this.out_props.set(left,  "'" + vv.substring(1, vv.length-2).replace("'", "\\'") + "'");
 638
 639
 640
 641
 642                 }
 643         }
 644         /*
 645         public void readArrayProps()
 646         {
 647
 648                 // this is not needed in the new version
 649                 // as array props are handled more directly..
 650
 651                 // handle the childitems  that are arrays.. eg. button[] = {  }...
 652
 653                 // note this does not handle a mix of nodes and properties with the same
 654
 655                 string left;
 656
 657                 var iter = this.ar_props.map_iterator();
 658                 while (iter.next()) {
 659                         var k = iter.get_key();
 660                         var right = iter.get_value();
 661
 662                         string leftv = k[0] == '|' ? k.substring(1) : k;
 663                         if (Lang.isKeyword(leftv) || Lang.isBuiltin(leftv)) {
 664                                 left = "'" + leftv + "'";
 665                         } else if (Regex.match_simple("[^A-Za-z_]+",leftv)) { // not plain a-z... - quoted.
 666                                 var val = this.node.quoteString(leftv);
 667
 668                                 left = "'" + val.substring(1, val.length-2).replace("'", "\\'") + "'";
 669                         } else {
 670                                 left = leftv;
 671                         }
 672
 673
 674                         if (right.length > 0){
 675                                 //if (this.out_props_array_plain.has_key(left)) {
 676                                 //      this.out_props_array_plain.set(left, new Gee.ArrayList<string>());
 677                                 //}
 678                                 //this.out_props_array_plain.get(left).add(right);
 679
 680                                 //this.els.add(left + " : [\n" +  this.pad + indent_str + indent_str +
 681                                 //             right + "\n" + this.pad + "]");
 682                         }
 683
 684
 685                 }
 686
 687         }
 688         */
 689         public void readListeners()
 690         {
 691
 692                 if (this.node.listeners.size < 1) {
 693                         return;
 694                 }
 695                 // munge the listeners.
 696                 //print("ADDING listeners?");
 697
 698
 699
 700
 701                 var keys = new Gee.ArrayList<string>();
 702                 var piter = this.node.listeners.map_iterator();
 703                 while (piter.next() ) {
 704
 705                         keys.add(piter.get_key());
 706                 }
 707                 keys.sort((  a,  b) => {
 708                         return ((string)a).collate((string)b);
 709                         //if (a == b) return 0;
 710                         //return a < b ? -1 : 1;
 711                 });
 712
 713                 var itms = "listeners : {\n";
 714
 715                 for (var i = 0; i< keys.size; i++) {
 716                         var key = keys.get(i);
 717                         var val = this.node.listeners.get(key);
 718
 719
 720                         itms += i >0 ? ",\n" : "";
 721                         //
 722                         var str = val.strip();
 723                         var lines = str.split("\n");
 724                         if (lines.length > 0) {
 725                                 //str = string.joinv("\n" + this.pad + "           ", lines);
 726                                 str = string.joinv("\n" + this.pad + indent_str + indent_str , lines);
 727                         }
 728
 729                         itms +=  this.pad + indent_str  + key.replace("|", "")  + " : " + str;
 730                         this.out_listeners.set(key.replace("|", "") ,str);
 731
 732
 733                 }
 734                 itms += "\n" + this.pad + "}";
 735                 //print ( "ADD " + itms);
 736                 //this.els.add(itms);
 737
 738         }
 739
 740         public void iterChildren()
 741         {
 742
 743
 744                 // finally munge the children...
 745                 if (this.node.items.size < 1) {
 746                         return;
 747                 }
 748                 var itms = "items : [\n";
 749                 var n = 0;
 750                 for(var i = 0; i < this.node.items.size;i++) {
 751                         var ele = this.node.items.get(i);
 752                         if (ele.props.has_key("* prop")) {
 753                                 continue;
 754                         }
 755                         if (n > 0) {
 756                                  itms += ",\n";
 757                         }
 758                         n++;
 759                         itms += this.pad + indent_str  +
 760                                 this.mungeChild( this.pad + indent_str + indent_str ,  ele);
 761                         this.out_children.add(ele);
 762
 763                 }
 764                 itms +=  "\n"+  this.pad + "]"  + "\n";
 765                 //this.els.add(itms);
 766         }
 767
 768                 // finally output listeners...
 769
 770         public void xIncludeToString()
 771         {
 772
 773
 774         }
 775
 776 }
 777
 778
 779
 780