git.roojs.org Git - roobuilder/blob - src/JsRender/Node.vala

   1
   2 // test..
   3 // valac gitlive/app.Builder.js/JsRender/Lang.vala gitlive/app.Builder.js/JsRender/Node.vala --pkg gee-1.0 --pkg=json-glib-1.0 -o /tmp/Lang ;/tmp/Lang
   4
   5
   6 /*
   7  *
   8  * props:
   9  *
  10  * key value view of properties.
  11  *
  12  * Old standard..
  13  * XXXXX : YYYYY  -- standard - should be rendered as XXXX : "YYYY" usually.
  14  * |XXXXX : YYYYY  -- standard - should be rendered as XXXX : YYYY usually.
  15  * |init  -- the initialization...
  16  * *prop : a property which is actually an object definition...
  17  * *args : contructor args
  18  * .ctor : Full contruct line...
  19  *
  20  * Newer code
  21  * ".Gee.ArrayList<Xcls_fileitem>:fileitems" ==> # type  name
  22  * ".signal:void:open": "(JsRender.JsRender file)" ==> @ type name
  23  *  "|void:clearFiles": "() .... some code...."  | type name
  24  *
  25  *
  26  *
  27  *
  28  *
  29  * Standardize this crap...
  30  *
  31  * standard properties (use to set)
  32  *          If they are long values show the dialog..
  33  *
  34  * bool is_xxx  :: can show a pulldown.. (true/false)
  35  * string html
  36  * $ string html  = string with value interpolated eg. baseURL + ".."
  37  *  Clutter.ActorAlign x_align  (typed)  -- shows pulldowns if type is ENUM?
  38  * $ untypedvalue = javascript untyped value...
  39  *
  40  * object properties (not part of the GOjbect being wrapped?
  41  * # Gee.ArrayList<Xcls_fileitem> fileitems
  42  *
  43  * signals
  44  * @ void open
  45  *
  46  * methods -- always text editor..
  47  * | void clearFiles
  48  * | someJSmethod
  49  *
  50  * specials
  51  * * prop -- string
  52  * * args  -- string
  53  * * ctor -- string
  54  * * init -- big string?
  55  *
  56  * event handlers (listeners)
  57  *   just shown
  58  *
  59  * -----------------
  60  * special ID values
  61  *  +XXXX -- indicates it's a instance property / not glob...
  62  *  *XXXX -- skip writing glob property (used as classes that can be created...)
  63  *  _XXXX -- (string) a translatable string.
  64  *
  65  *
  66  *  FORMATING?
  67 .method {
  68          color : green;
  69          font-weight: bold;
  70 }
  71 .prop {
  72         color : #333;
  73 }
  74 .prop-code {
  75     font-style: italic;
  76  }
  77 .listener {
  78     color: #600;
  79     font-weight: bold;
  80 }
  81 .special {
  82   color : #00c;    font-weight: bold;
  83
  84
  85 */
  86
  87
  88
  89
  90
  91
  92 public class JsRender.Node : GLib.Object
  93 {
  94
  95
  96         public static int uid_count = 0;
  97
  98         public int oid { get; private set; }
  99         public Node parent;
 100         private Gee.ArrayList<Node> items; // child items..
 101         public GLib.ListStore  childstore; // must be kept in sync with items
 102         public GLib.ListStore?  propstore; // must be kept in sync with items
 103         public string  xvala_cls; // set by node to vala
 104         public string xvala_xcls; // 'Xcls_' + id; // set by nodetoVala
 105         public string xvala_id; // item id or "" // set by nodetovala
 106
 107         // line markers..
 108         public int line_start;
 109         public int line_end;
 110         public Gee.ArrayList<int> lines;
 111         public Gee.HashMap<int,string> line_map; // store of l:xxx or p:....  // fixme - not needed as we can store line numbers in props now.
 112         public Gee.ArrayList<int> node_lines;
 113         public Gee.HashMap<int,Node> node_lines_map; // store of l:xxx or p:....
 114         public JsRender? file = null;
 115
 116         public string node_pad = "";
 117
 118         private int _updated_count = 0;
 119         public int updated_count {
 120                 get {
 121                         return this._updated_count;
 122                 }
 123                 set  {
 124                         this.nodeTitleProp = ""; // ?? should trigger set?
 125                         this.iconResourceName = "";
 126                         this._updated_count = value;
 127
 128
 129                         //GLib.debug("Update Node %d p%d - rev %d", this.oid, this.parent != null ? this.parent.oid : -1, value);
 130                         if (this.parent != null) {
 131                                 this.parent.updated_count++; // will recurse up.
 132                         }  else {
 133                                 if (this.file != null) {
 134                                         this.file.updateUndo();
 135                                 }
 136                         }
 137                 }
 138
 139         } // changes to this trigger updates on the tree..
 140
 141         public string as_source = "";
 142         public int as_source_version = -1;
 143         public int as_source_start_line = -1;
 144
 145
 146
 147         //public signal void  version_changed();
 148
 149         public Node()
 150         {
 151                 this.items = new Gee.ArrayList<Node>();
 152                 //this._props = new Gee.HashMap<string,NodeProp>();
 153                 //this._listeners = new Gee.HashMap<string,NodeProp>(); // Nodeprop can include line numbers..
 154                 this.propstore = new GLib.ListStore(typeof(NodeProp)); // Nodeprop can include line numbers..
 155                 this.xvala_cls = "";
 156                 this.xvala_xcls = "";
 157                 this.xvala_id = "";
 158                 this.parent = null;
 159                 this.line_start = -1;
 160                 this.line_end = -1;
 161                 this.lines = new Gee.ArrayList<int>();
 162                 this.line_map = new Gee.HashMap<int,string>();
 163                 this.node_lines = new Gee.ArrayList<int>();
 164                 this.node_lines_map = new Gee.HashMap<int,Node>();
 165                 this.childstore = new GLib.ListStore( typeof(Node));
 166                 this.oid = uid_count++;
 167
 168         }
 169
 170         public bool has_parent(Node n)
 171         {
 172                 if (this.parent == null) {
 173                         return false;
 174                 }
 175                 if (this.parent.oid == n.oid) {
 176                         return true;
 177                 }
 178
 179
 180                 return this.parent.has_parent(n);
 181         }
 182
 183
 184         public  Gee.ArrayList<Node> readItems()
 185         {
 186                 return this.items; // note should not modify add/remove from this directly..
 187
 188         }
 189         public void setNodeLine(int line, Node node) {
 190                 //print("Add node @ %d\n", line);
 191                 if (this.node_lines_map.has_key(line)) {
 192                         return;
 193                 }
 194                 this.node_lines.add(line);
 195                 this.node_lines_map.set(line, node);
 196
 197         }
 198
 199         public void setLine(int line, string type, string prop)
 200         {
 201                 //GLib.debug("set prop %s (%s) to line %d", prop, type, line);
 202                 if (this.line_map.has_key(line)) {
 203                         if  (this.line_map.get(line) != "e:"  ) {
 204                                 return;
 205                         }
 206                 } else {
 207                         this.lines.add(line);
 208                 }
 209                 this.line_map.set(line, type + ":" + prop);
 210                 if (type == "e" || type == "p" ) {
 211
 212                         if (prop == "" || !this.props.has_key(prop)) {
 213                                 ///GLib.debug("cant find prop '%s'", prop);
 214                                 return;
 215                         }
 216
 217                         var prope = this.props.get(prop);
 218                         if (prope != null && type =="p") {
 219                                 prope.start_line = line;
 220                         }
 221                         if (prope != null && type =="e") {
 222                                 prope.end_line = line;
 223                         }
 224
 225                 }
 226                 if (type == "l" || type =="x") {
 227                         if (prop == "" || !this.listeners.has_key(prop)) {
 228                                 //GLib.debug("cant find listener '%s'", prop);
 229                                 return;
 230                         }
 231
 232                         var prope = this.listeners.get(prop);
 233                         if (prope != null && type =="l") {
 234                                 prope.start_line = line;
 235                         }
 236                         if (prope != null && type =="x") {
 237                                 prope.end_line = line;
 238                         }
 239
 240
 241                 }
 242
 243
 244
 245
 246                 //GLib.debug("setLine %d, %s", line, type + ":" + prop);
 247         }
 248         public void sortLines() {
 249                 //print("sortLines\n");
 250                 this.lines.sort((a,b) => {
 251                         return (int)a-(int)b;
 252                 });
 253                 this.node_lines.sort((a,b) => {
 254                         return (int)a-(int)b;
 255                 });
 256         }
 257         public Node? lineToNode(int line)
 258         {
 259                 //print("Searching for line %d\n",line);
 260                 var l = -1;
 261                 //foreach(int el in this.node_lines) {
 262                         //print("all lines %d\n", el);
 263                 //}
 264
 265
 266                 foreach(int el in this.node_lines) {
 267                         //print("?match %d\n", el);
 268                         if (el < line) {
 269
 270                                 l = el;
 271                                 //print("LESS\n");
 272                                 continue;
 273                         }
 274                         if (el == line) {
 275                                 //print("SAME\n");
 276                                 l = el;
 277                                 break;
 278                         }
 279                         if (l > -1) {
 280                                 var ret = this.node_lines_map.get(l);
 281                                 if (line > ret.line_end) {
 282                                         return null;
 283                                 }
 284                                 //print("RETURNING NODE ON LINE %d", l);
 285                                 return ret;
 286                         }
 287                         return null;
 288
 289                 }
 290                 if (l > -1) {
 291                         var ret = this.node_lines_map.get(l);
 292                         if (line > ret.line_end) {
 293                                 return null;
 294                         }
 295                         //print("RETURNING NODE ON LINE %d", l);
 296                         return ret;
 297
 298                 }
 299                 return null;
 300
 301         }
 302
 303
 304         public NodeProp? lineToProp(int line)
 305         {
 306
 307                 for(var i= 0; i < this.propstore.get_n_items();i++) {
 308                         var p = (NodeProp) this.propstore.get_item(i);
 309                         //GLib.debug("prop %s lines %d -> %d", p.name, p.start_line, p.end_line);
 310                         if (p.start_line > line) {
 311                                 continue;
 312                         }
 313                         if (line > p.end_line) {
 314                                 continue;
 315                         }
 316                         return p;
 317                 }
 318                 return null;
 319         }
 320
 321
 322
 323         public bool getPropertyRange(string prop, out int start, out int end)
 324         {
 325                 end = 0;
 326                 start = -1;
 327                 foreach(int el in this.lines) {
 328                         if (start < 0) {
 329                                 if (this.line_map.get(el) == prop) {
 330                                         start = el;
 331                                         end = el;
 332                                 }
 333                                 continue;
 334                         }
 335                         end = el -1;
 336                         break;
 337                 }
 338                 return start > -1;
 339
 340
 341         }
 342
 343         public void dumpProps(string indent = "")
 344         {
 345                 print("%s:\n" , this.fqn());
 346                 foreach(int el in this.lines) {
 347                         print("%d: %s%s\n", el, indent, this.line_map.get(el));
 348                 }
 349                 foreach(Node n in this.items) {
 350                         n.dumpProps(indent + "  ");
 351                 }
 352         }
 353
 354
 355
 356         public string uid()
 357         {
 358                 if (this.props.get("id") == null) {
 359                         return "uid-%d".printf(this.oid);
 360                 }
 361                 return this.props.get("id").val;
 362         }
 363
 364
 365         public bool hasChildren()
 366         {
 367                 return this.items.size > 0;
 368         }
 369         public bool hasXnsType()
 370         {
 371                 if (this.props.get("xns") != null && this.props.get("xtype") != null) {
 372                         return true;
 373
 374                 }
 375                 return false;
 376         }
 377
 378         public string FQN { // for sorting
 379                 owned get { return this.fqn(); }
 380                 private set  {}
 381         }
 382         public string NS { // for sorting
 383                 owned get { return this.props.has_key("xns") ? this.props.get("xns").val  : ""; }
 384                 private set  {}
 385         }
 386         public string fqn()
 387         {
 388                 if (!this.hasXnsType ()) {
 389                         return "";
 390                 }
 391                 return this.props.get("xns").val + "." + this.props.get("xtype").val;
 392
 393         }
 394         public void setFqn(string name)
 395         {
 396                 var ar = name.split(".");
 397                 var l = name.length - (ar[ar.length-1].length +1);
 398
 399
 400
 401                 if (this.props.has_key("xtype")) {
 402                         this.props.get("xtype").val = ar[ar.length-1];
 403                 } else {
 404                         this.add_prop(new NodeProp.prop("xtype", "",  ar[ar.length-1]));
 405                 }
 406                 if (this.props.has_key("xns")) {
 407                         this.props.get("xns").val = name.substring(0, l);
 408                 } else {
 409                         this.add_prop(new NodeProp.raw("xns", "", name.substring(0, l)));
 410                 }
 411
 412
 413                 //print("setFQN %s to %s\n", name , this.fqn());
 414
 415
 416         }
 417         // wrapper around get props that returns empty string if not found.
 418         //overrides Glib.object.get (hence new)
 419         public new string get(string key)
 420         {
 421
 422                 var v = this.props.get(key);
 423                 return v == null ? "" : v.val;
 424         }
 425
 426         public  NodeProp? get_prop(string key)
 427         {
 428
 429                 return this.props.get(key);
 430
 431         }
 432
 433
 434
 435
 436
 437         public bool has(string key)
 438         {
 439                 return this.props.has_key(key);
 440
 441
 442         }
 443
 444         public void  remove()
 445         {
 446                 if (this.parent == null) {
 447                         GLib.debug("remove - parent is null?");
 448                         return;
 449                 }
 450                 var nlist = new Gee.ArrayList<Node>();
 451                 for (var i =0;i < this.parent.items.size; i++) {
 452                         if (this.parent.items.get(i) == this) {
 453                                 continue;
 454                         }
 455                         nlist.add(this.parent.items.get(i));
 456                 }
 457                 uint pos;
 458                 if ( this.parent.childstore.find(this, out pos)) {
 459                         this.parent.childstore.remove(pos);
 460                 }
 461                 this.parent.updated_count++;
 462                 this.parent.items = nlist;
 463                 this.parent = null;
 464
 465         }
 466
 467         /* creates javascript based on the rules */
 468         public Node? findProp(string n) {
 469                 for(var i=0;i< this.items.size;i++) {
 470                         var p = this.items.get(i).get("* prop");
 471                         if (p  == null) {
 472                                 continue;
 473                         }
 474                         if (p == n) {
 475                                 return this.items.get(i);
 476                         }
 477                 }
 478                 return null;
 479
 480         }
 481
 482
 483
 484
 485         static Json.Generator gen = null;
 486
 487         public string quoteString(string str)
 488         {
 489                 if (Node.gen == null) {
 490                         Node.gen = new Json.Generator();
 491                 }
 492                  var n = new Json.Node(Json.NodeType.VALUE);
 493                 n.set_string(str);
 494
 495                 Node.gen.set_root (n);
 496                 return  Node.gen.to_data (null);
 497         }
 498
 499         public void loadFromJsonString(string str, int ver)
 500         {
 501                 var pa = new Json.Parser();
 502                 try {
 503                         pa.load_from_data(str);
 504                 } catch (GLib.Error e) {
 505                         GLib.debug("Error loading string?");
 506                         return;
 507                 }
 508                 var new_node = pa.get_root();
 509                 var obj = new_node.get_object ();
 510
 511                 this.loadFromJson(obj, ver);
 512         }
 513
 514
 515
 516         public void loadFromJson(Json.Object obj, int version) {
 517
 518                 obj.foreach_member((o , key, value) => {
 519                         //print(key+"\n");
 520                         if (key == "items") {
 521                                 var ar = value.get_array();
 522                                 ar.foreach_element( (are, ix, el) => {
 523                                         var node = new Node();
 524                                         node.parent = this;
 525                                         node.loadFromJson(el.get_object(), version);
 526                                         this.items.add(node);
 527                                         this.childstore.append(node);
 528                                 });
 529                                 return;
 530                         }
 531                         if (key == "listeners") {
 532                                 var li = value.get_object();
 533                                 li.foreach_member((lio , li_key, li_value) => {
 534                                         this.add_prop(new NodeProp.listener(li_key, this.jsonNodeAsString(li_value)));
 535                                         //this.listeners.set(li_key,  new NodeProp.listener(li_key, this.jsonNodeAsString(li_value)));
 536                                 });
 537                                 return;
 538                         }
 539
 540
 541                         var rkey = key;
 542                         var sval = this.jsonNodeAsString(value);
 543
 544                         if (version == 1) {
 545                                 rkey = this.upgradeKey(key, sval);
 546                         }
 547                         var n =  new NodeProp.from_json(rkey, sval);
 548
 549                         this.add_prop(n );
 550
 551
 552                 });
 553
 554
 555
 556
 557
 558
 559         }
 560
 561         // converts the array into a string with line breaks.
 562         public string jsonNodeAsString(Json.Node node)
 563         {
 564
 565                 if (node.get_node_type() == Json.NodeType.ARRAY) {
 566                         var  buffer = new GLib.StringBuilder();
 567                         var ar = node.get_array();
 568                         for (var i = 0; i < ar.get_length(); i++) {
 569                                 if (i >0 ) {
 570                                         buffer.append_c('\n');
 571                                 }
 572                                 buffer.append(ar.get_string_element(i));
 573                         }
 574                         return buffer.str;
 575                 }
 576         // hopeflyu only type value..
 577                 var sv =  Value (typeof (string));
 578                 var v = node.get_value();
 579                 v.transform(ref sv);
 580                 return (string)sv;
 581
 582         }
 583
 584         // really old files...
 585
 586         public string upgradeKey(string key, string val)
 587         {
 588                 // convert V1 to V2
 589                 if (key.length < 1) {
 590                         return key;
 591                 }
 592                 switch(key) {
 593                         case "*prop":
 594                         case "*args":
 595                         case ".ctor":
 596                         case "|init":
 597                                 return "* " + key.substring(1);
 598
 599                         case "pack":
 600                                 return "* " + key;
 601                 }
 602                 if (key[0] == '.') { // v2 does not start with '.' ?
 603                         var bits = key.substring(1).split(":");
 604                         if (bits[0] == "signal") {
 605                                 return "@" + string.joinv(" ", bits).substring(bits[0].length);
 606                         }
 607                         return "# " + string.joinv(" ", bits);
 608                 }
 609                 if (key[0] != '|' || key[1] == ' ') { // might be a v2 file..
 610                         return key;
 611                 }
 612                 var bits = key.substring(1).split(":");
 613                 // two types '$' or '|' << for methods..
 614                 // javascript
 615                 if  (Regex.match_simple ("^function\\s*(", val.strip())) {
 616                         return "| " + key.substring(1);
 617                 }
 618                 // vala function..
 619
 620                 if  (Regex.match_simple ("^\\(", val.strip())) {
 621
 622                         return "| " + string.joinv(" ", bits);
 623                 }
 624
 625                 // guessing it's a property..
 626                 return "$ " + string.joinv(" ", bits);
 627
 628
 629
 630         }
 631
 632
 633
 634
 635
 636
 637         public Node  deepClone()
 638         {
 639                 var n = new Node();
 640                 n.loadFromJson(this.toJsonObject(), 2);
 641                 return n;
 642
 643         }
 644         public string toJsonString()
 645         {
 646                 if (Node.gen == null) {
 647                         Node.gen = new Json.Generator();
 648                         gen.pretty =  true;
 649                         gen.indent = 1;
 650                 }
 651                 var n = new Json.Node(Json.NodeType.OBJECT);
 652                 n.set_object(this.toJsonObject () );
 653                 Node.gen.set_root (n);
 654                 return  Node.gen.to_data (null);
 655         }
 656
 657         public void jsonObjectAddStringValue(Json.Object obj, string key, string v)
 658         {
 659                 if (v.index_of_char('\n',0) < 0) {
 660                         obj.set_string_member(key,v);
 661                         return;
 662                 }
 663                 var aro = new Json.Array();
 664                 var ar = v.split("\n");
 665                 for(var i =0;i < ar.length;i++) {
 666                         aro.add_string_element(ar[i]);
 667                 }
 668                 obj.set_array_member(key,aro);
 669         }
 670
 671         public Json.Object toJsonObject()
 672         {
 673                 var ret = new Json.Object();
 674
 675                 // listeners...
 676                 if (this.listeners.size > 0) {
 677                         var li = new Json.Object();
 678                         ret.set_object_member("listeners", li);
 679                         var liter = this.listeners.map_iterator();
 680                         while (liter.next()) {
 681                                 this.jsonObjectAddStringValue(li, liter.get_value().to_json_key(), liter.get_value().val);
 682                         }
 683                 }
 684                 //props
 685                 if (this.props.size > 0 ) {
 686                         var iter = this.props.map_iterator();
 687                         while (iter.next()) {
 688                                 this.jsonObjectsetMember(ret, iter.get_value().to_json_key(), iter.get_value().val);
 689                         }
 690                 }
 691                 if (this.items.size > 0) {
 692                         var ar = new Json.Array();
 693                         ret.set_array_member("items", ar);
 694
 695                         // children..
 696                         for(var i =0;i < this.items.size;i++) {
 697                                 ar.add_object_element(this.items.get(i).toJsonObject());
 698                         }
 699                 }
 700                 return ret;
 701
 702
 703         }
 704
 705         public void jsonObjectsetMember(Json.Object o, string key, string val) {
 706                 if (Lang.isBoolean(val)) {
 707                         o.set_boolean_member(key, val.down() == "false" ? false : true);
 708                         return;
 709                 }
 710
 711
 712                 if (Lang.isNumber(val)) {
 713                         if (val.contains(".")) {
 714                                 //print( "ADD " + key + "=" + val + " as a double?\n");
 715                                 o.set_double_member(key, double.parse (val));
 716                                 return;
 717
 718                         }
 719                         //print( "ADD " + key + "=" + val + " as a int?\n")  ;
 720                         o.set_int_member(key,long.parse(val));
 721                         return;
 722                 }
 723                 ///print( "ADD " + key + "=" + val + " as a string?\n");
 724                 this.jsonObjectAddStringValue(o,key,val);
 725                 //o.set_string_member(key,val);
 726
 727         }
 728
 729
 730         public string nodeTipProp {
 731                 set {
 732                         // NOOp ??? should
 733                 }
 734                 owned get {
 735                          return  this.nodeTip();
 736                 }
 737         }
 738         // fixme this needs to better handle 'user defined types etc..
 739         public string nodeTip()
 740         {
 741                 var ret = this.nodeTitle(true);
 742                 var spec = "";
 743                 var funcs = "";
 744                 var props = "";
 745                 var listen = "";
 746
 747                 var uprops = "";
 748                 // sort?
 749
 750                 var keys = new  Gee.ArrayList<string>();
 751                 foreach(var k in this.props.keys) {
 752                         keys.add(k);
 753                 }
 754                 keys.sort((a,b) => {
 755                          return Posix.strcmp(a, b);
 756
 757                 });
 758
 759
 760                 foreach(var pk in keys) {
 761
 762                         var prop = this.props.get(pk);
 763                         var i = prop.name.strip();
 764
 765                         var val = prop.val;
 766                         val = val == null ? "" : val;
 767
 768                         switch(prop.ptype) {
 769                                 case PROP:
 770                                 case RAW: // should they be the same?
 771
 772                                         props += "\n\t" + (prop.rtype != null && prop.rtype.length > 0 ? GLib.Markup.escape_text(prop.rtype)  : "") +
 773                                                 " <b>" + GLib.Markup.escape_text(i) +"</b> : " +
 774                                                 (val.length > 0 ? GLib.Markup.escape_text(val.split("\n")[0]) : "");
 775
 776                                         break;
 777
 778
 779                                 case METHOD :
 780                                         funcs += "\n\t" + (prop.rtype != null && prop.rtype.length > 0 ? GLib.Markup.escape_text(prop.rtype)  : "")  +
 781                                                 " <b>" + GLib.Markup.escape_text(i) +"</b> : "  +
 782                                                 (val.length > 0 ? GLib.Markup.escape_text(val.split("\n")[0]) : "");
 783                                         break;
 784
 785
 786                                 case USER : // user defined.
 787                                         uprops += "\n\t<b>" +
 788                                                 GLib.Markup.escape_text(i) +"</b> : " +
 789                                                 (val.length > 0 ? GLib.Markup.escape_text(val.split("\n")[0]) : "");
 790                                         break;
 791
 792                                 case SPECIAL : // * prop| args | ctor | init
 793                                         spec += "\n\t<b>" +
 794                                                 GLib.Markup.escape_text(i) +"</b> : " +
 795                                                 (val.length > 0 ? GLib.Markup.escape_text(val.split("\n")[0]) : "");
 796                                         break;
 797
 798                                 case LISTENER : return  "";  // always raw...
 799                                 // not used
 800                                 default:
 801                                         break;;
 802
 803                         }
 804
 805
 806                 }
 807
 808                 keys = new  Gee.ArrayList<string>();
 809                 foreach(var k in this.listeners.keys) {
 810                         keys.add(k);
 811                 }
 812                 keys.sort((a,b) => {
 813                          return Posix.strcmp(a, b);
 814
 815                 });
 816
 817                 foreach(var pk in keys) {
 818
 819                         var prop = this.listeners.get(pk);
 820                         var i =  prop.name.strip();
 821
 822                         var val = prop.val.strip();
 823                         if (val == null || val.length < 1) {
 824                                 continue;
 825                         }
 826                          listen += "\n\t<b>" +
 827                                         GLib.Markup.escape_text(i) +"</b> : " +
 828                                         GLib.Markup.escape_text(val.split("\n")[0]);
 829
 830                 }
 831
 832
 833                 if (props.length > 0) {
 834                         ret+="\n\nProperties:" + props;
 835                 }
 836                 if (uprops.length > 0) {
 837                         ret+="\n\nUser defined Properties:" + uprops;
 838                 }
 839
 840
 841                 if (funcs.length > 0) {
 842                         ret+="\n\nMethods:" + funcs;
 843                 }
 844                 if (listen.length > 0) {
 845                         ret+="\n\nListeners:" + listen;
 846                 }
 847                 if (spec.length > 0) {
 848                         ret+="\n\nSpecial:" + spec;
 849                 }
 850
 851                 return ret;
 852
 853         }
 854
 855         public string nodeTitleProp {
 856                 set {
 857                         // NOOp ??? should
 858                 }
 859                 owned get {
 860                          return  this.nodeTitle();
 861                 }
 862         }
 863
 864
 865
 866
 867
 868
 869         public string nodeTitle(bool for_tip = false)
 870         {
 871                 string[] txt = {};
 872
 873                 //var sr = (typeof(c['+buildershow']) != 'undefined') &&  !c['+buildershow'] ? true : false;
 874                 //if (sr) txt.push('<s>');
 875
 876                 if (this.has("* prop"))   { txt += (GLib.Markup.escape_text(this.get("* prop")) + ":"); }
 877
 878                 //if (renderfull && c['|xns']) {
 879                 var fqn = this.fqn();
 880                 var fqn_ar = fqn.split(".");
 881                 txt += for_tip || fqn.length < 1 ? fqn : fqn_ar[fqn_ar.length -1];
 882
 883                 if (fqn == "Roo.bootstrap.Element" && this.has("tag")) {
 884                    txt = {};
 885                    txt += GLib.Markup.escape_text(this.get("tag").up());
 886                 }
 887
 888                 //if (c.xtype)    { txt.push(c.xtype); }
 889
 890                 if (this.has("id"))      { txt += ("<b>[id=" + GLib.Markup.escape_text(this.get("id")) + "]</b>"); }
 891                 if (this.has("fieldLabel")){ txt += ("[" + GLib.Markup.escape_text(this.get("fieldLabel")) + "]"); }
 892                 if (this.has("boxLabel"))  { txt += ("[" + GLib.Markup.escape_text(this.get("boxLabel"))+ "]"); }
 893
 894
 895                 if (this.has("layout")) { txt += ("<i>" + GLib.Markup.escape_text(this.get("layout")) + "</i>"); }
 896                 if (this.has("title"))   { txt += ("<b>" + GLib.Markup.escape_text(this.get("title")) + "</b>"); }
 897                 if (this.has("html") && this.get("html").length > 0)     {
 898                         var ht = this.get("html").split("\n");
 899                         if (ht.length > 1) {
 900                                 txt += ("<b>" + GLib.Markup.escape_text(ht[0]) + "...</b>");
 901                         } else {
 902                                 txt += ("<b>" + GLib.Markup.escape_text(this.get("html")) + "</b>");
 903                         }
 904                 }
 905                 if (this.has("label"))   { txt += ("<b>" + GLib.Markup.escape_text(this.get("label"))+ "</b>"); }
 906                 if (this.has("header"))   { txt += ("<b>" + GLib.Markup.escape_text(this.get("header")) + "</b>"); }
 907                 if (this.has("legend"))  { txt += ("<b>" + GLib.Markup.escape_text(this.get("legend")) + "</b>"); }
 908                 if (this.has("text"))     { txt += ("<b>" + GLib.Markup.escape_text(this.get("text")) + "</b>"); }
 909                 if (this.has("name"))     { txt += ("<b>" + GLib.Markup.escape_text(this.get("name"))+ "</b>"); }
 910                 if (this.has("region")) { txt += ("<i>(" + GLib.Markup.escape_text(this.get("region")) + ")</i>"); }
 911                 if (this.has("dataIndex")){ txt += ("[" + GLib.Markup.escape_text(this.get("dataIndex")) + "]"); }
 912                 // class is quite important on bootstrap..
 913                 if (this.has("cls")){ txt += ("<b>[cls=" + GLib.Markup.escape_text(this.get("cls")) + "]</b>"); }
 914
 915                 // other 'specials?'
 916                 if (fqn == "Roo.bootstrap.Link") {
 917                         txt += ("<b>href=" + (this.has("name") ?  GLib.Markup.escape_text(this.get("name")) : "?" ) + "</b>");
 918                         if (this.has("fa")){ txt += ("<b>[fa=" + GLib.Markup.escape_text(this.get("fa")) + "]</b>"); }
 919                 }
 920
 921
 922
 923                 // for flat classes...
 924                 //if (typeof(c["*class"]"))!= "undefined")  { txt += ("<b>" +  c["*class"]+  "</b>"); }
 925                 //if (typeof(c["*extends"]"))!= "undefined")  { txt += (": <i>" +  c["*extends"]+  "</i>"); }
 926
 927
 928                 //if (sr) txt.push('</s>');
 929                 return (txt.length == 0) ? "Element" : string.joinv(" ", txt);
 930         }
 931         // used by trees to display icons?
 932         // needs more thought?!?
 933         public string iconResourceName {
 934                 set {
 935                         // NOOp ??? should
 936                 }
 937                 owned get {
 938                         var clsname = this.fqn();
 939
 940                         var clsb = clsname.split(".");
 941                     var sub = clsb.length > 1 ? clsb[1].down()  : "";
 942                         var fn = "/glade-icons/widget-gtk-" + sub + ".png";
 943                         //if (FileUtils.test (fn, FileTest.IS_REGULAR)) {
 944                                 return fn;
 945                         //}
 946                         //return "/dev/null"; //???
 947                 }
 948         }
 949
 950
 951
 952         public void insertAfter(Node child, Node after)
 953         {
 954                 this.insertChild(this.items.index_of(after) + 1, child);
 955         }
 956         public void insertBefore(Node child, Node before)
 957         {
 958                 this.insertChild(this.items.index_of(before), child);
 959         }
 960
 961         public void insertChild(int pos, Node child)
 962         {
 963                 child.parent = this;
 964                 this.items.insert(pos, child);
 965                 this.childstore.insert(pos, child);
 966
 967         }
 968         public void appendChild(Node child)
 969         {
 970                 child.parent = this;
 971                 this.items.add( child);
 972                 this.childstore.append(child);
 973
 974         }
 975
 976
 977         /**
 978
 979         properties
 980                 previous we had listeners / and props
 981
 982                 we really need to store this as flat array - keep it simple!?
 983
 984                 getValue(key)
 985                 update(key, value)
 986
 987
 988
 989         */
 990
 991
 992
 993
 994         public void loadProps(GLib.ListStore model, Project.Project project)
 995         {
 996
 997                 // fixme sorting?? - no need to loop twice .. just use sorting.!
 998                 var oldstore = this.propstore;
 999                 this.propstore = model;
1000                 for(var i =  0; i < oldstore.n_items; i++ ) {
1001                         var it = (NodeProp) oldstore.get_item(i);
1002                         it.update_is_valid_ptype(project);
1003                     model.append(it);
1004
1005                 }
1006                 this.sortProps();
1007
1008    }
1009    // used to replace propstore, so it does not get wiped by editing a node
1010    public void dupeProps()
1011    {
1012                 GLib.debug("dupeProps START");
1013                 var oldstore = this.propstore;
1014                 this.propstore = new GLib.ListStore(typeof(NodeProp));;
1015                 for(var i =  0; i < oldstore.n_items; i++ ) {
1016                         var it = (NodeProp) oldstore.get_item(i);
1017                         this.propstore.append(it);
1018                 }
1019                 GLib.debug("dupeProps END");
1020         }
1021
1022
1023    public void remove_prop(NodeProp prop)
1024         {
1025                 uint pos;
1026                 if (!this.propstore.find(prop, out pos)) {
1027                         return;
1028                 }
1029                 this.propstore.remove(pos);
1030                 this.updated_count++;
1031
1032         }
1033
1034         public bool has_prop_key(NodeProp prop)
1035         {
1036                 for(var i =  0; i < this.propstore.n_items; i++ ) {
1037                         var it = (NodeProp) this.propstore.get_item(i);
1038                         if (it.ptype == prop.ptype && it.to_index_key() == prop.to_index_key()) {
1039                                 return true;
1040                         }
1041
1042                 }
1043                 return false;
1044
1045         }
1046
1047
1048
1049
1050         public void add_prop(NodeProp prop)
1051         {
1052                 if (this.has_prop_key(prop) && !prop.to_index_key().has_suffix("[]")) {
1053                         GLib.warning("duplicate key' %s'- can not add - call has_prop_key first", prop.to_index_key());
1054                         return;
1055                 }
1056                 prop.parent = this;
1057                 this.propstore.append(prop);
1058                 this.sortProps();
1059
1060                 this.updated_count++;
1061
1062
1063         }
1064
1065         int props_updated_count = -1;
1066         Gee.HashMap<string,NodeProp> props_cache;
1067
1068         public Gee.HashMap<string,NodeProp> props {
1069                 owned get {
1070                         if (this.updated_count == this.props_updated_count) {
1071                                 return this.props_cache;
1072                         }
1073                          this.props_cache = new Gee.HashMap<string,NodeProp>(); // the properties..
1074
1075                         for(var i =  0; i < this.propstore.n_items; i++ ) {
1076                                 var it = (NodeProp) this.propstore.get_item(i);
1077                                 if (it.ptype != NodePropType.LISTENER) {
1078                                 //      GLib.debug("props add key %s", it.to_index_key());
1079                                         this.props_cache.set( it.to_index_key() , it);
1080                                 }
1081                         }
1082                         this.props_updated_count = this.updated_count;
1083                         return this.props_cache;
1084                 }
1085                 private set {
1086                         GLib.error("do not set listerners direclty");
1087                 }
1088         }
1089
1090         int listeners_updated_count = -1;
1091         Gee.HashMap<string,NodeProp> listeners_cache;
1092
1093         //private Gee.HashMap<string,NodeProp> _listeners; // the listeners..
1094         public Gee.HashMap<string,NodeProp> listeners {
1095                 owned get {
1096                         if (this.updated_count == this.listeners_updated_count) {
1097                                 return this.listeners_cache;
1098                         }
1099
1100                         this.listeners_cache = new Gee.HashMap<string,NodeProp>(); // the properties..
1101
1102                         for(var i =  0; i < this.propstore.n_items; i++ ) {
1103                                 var it = (NodeProp) this.propstore.get_item(i);
1104                                 if (it.ptype == NodePropType.LISTENER) {
1105                                         this.listeners_cache.set( it.to_index_key() , it);
1106                                 }
1107                         }
1108                         this.listeners_updated_count = this.updated_count;
1109                         return this.listeners_cache;;
1110                 }
1111                 private set {
1112                         GLib.error("do not set listerners direclty");
1113                 }
1114         }
1115         private void sortProps ()
1116         {
1117
1118                 this.propstore.sort( (a, b) => {
1119
1120                         return Posix.strcmp( ((NodeProp)a).to_sort_key(),  ((NodeProp)b).to_sort_key());
1121
1122                 });
1123
1124
1125         }
1126 }