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         public static int uid_count = 0;
  96
  97         public int oid { get; private set; }
  98         public Node parent;
  99         private Gee.ArrayList<Node> items; // child items..
 100         public GLib.ListStore  childstore; // must be kept in sync with items
 101         public GLib.ListStore?  propstore; // must be kept in sync with items
 102         public string  xvala_cls; // set by node to vala
 103         public string xvala_xcls; // 'Xcls_' + id; // set by nodetoVala
 104         public string xvala_id; // item id or "" // set by nodetovala
 105
 106         // line markers..
 107         public int line_start;
 108         public int line_end;
 109         public Gee.ArrayList<int> lines;
 110         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.
 111         public Gee.ArrayList<int> node_lines;
 112         public Gee.HashMap<int,Node> node_lines_map; // store of l:xxx or p:....
 113
 114
 115         public string node_pad = "";
 116
 117         private int _updated_count = 0;
 118         public int updated_count {
 119                 get {
 120                         return this._updated_count;
 121                 }
 122                 set  {
 123                         this.nodeTitleProp = ""; // ?? should trigger set?
 124                         this.iconFilename = "";
 125                         this._updated_count = value;
 126
 127
 128                         //GLib.debug("Update Node %d p%d - rev %d", this.oid, this.parent != null ? this.parent.oid : -1, value);
 129                         if (this.parent != null) {
 130                                 this.parent.updated_count++;
 131                         }  else {
 132                                 //GLib.debug("UNDO top node is %d", value);
 133                                 this.version_changed();
 134                         }
 135                 }
 136
 137         } // changes to this trigger updates on the tree..
 138
 139         public string as_source = "";
 140         public int as_source_version = -1;
 141
 142         public signal void  version_changed();
 143
 144         public Node()
 145         {
 146                 this.items = new Gee.ArrayList<Node>();
 147                 //this._props = new Gee.HashMap<string,NodeProp>();
 148                 //this._listeners = new Gee.HashMap<string,NodeProp>(); // Nodeprop can include line numbers..
 149                 this.propstore = new GLib.ListStore(typeof(NodeProp)); // Nodeprop can include line numbers..
 150                 this.xvala_cls = "";
 151                 this.xvala_xcls = "";
 152                 this.xvala_id = "";
 153                 this.parent = null;
 154                 this.line_start = -1;
 155                 this.line_end = -1;
 156                 this.lines = new Gee.ArrayList<int>();
 157                 this.line_map = new Gee.HashMap<int,string>();
 158                 this.node_lines = new Gee.ArrayList<int>();
 159                 this.node_lines_map = new Gee.HashMap<int,Node>();
 160                 this.childstore = new GLib.ListStore( typeof(Node));
 161                 this.oid = uid_count++;
 162
 163         }
 164
 165         public bool has_parent(Node n)
 166         {
 167                 if (this.parent == null) {
 168                         return false;
 169                 }
 170                 if (this.parent.oid == n.oid) {
 171                         return true;
 172                 }
 173
 174
 175                 return this.parent.has_parent(n);
 176         }
 177
 178
 179         public  Gee.ArrayList<Node> readItems()
 180         {
 181                 return this.items; // note should not modify add/remove from this directly..
 182
 183         }
 184         public void setNodeLine(int line, Node node) {
 185                 //print("Add node @ %d\n", line);
 186                 if (this.node_lines_map.has_key(line)) {
 187                         return;
 188                 }
 189                 this.node_lines.add(line);
 190                 this.node_lines_map.set(line, node);
 191
 192         }
 193
 194         public void setLine(int line, string type, string prop)
 195         {
 196                 //GLib.debug("set prop %s (%s) to line %d", prop, type, line);
 197                 if (this.line_map.has_key(line)) {
 198                         if  (this.line_map.get(line) != "e:"  ) {
 199                                 return;
 200                         }
 201                 } else {
 202                         this.lines.add(line);
 203                 }
 204                 this.line_map.set(line, type + ":" + prop);
 205                 if (type == "e" || type == "p" ) {
 206
 207                         if (prop == "" || !this.props.has_key(prop)) {
 208                                 ///GLib.debug("cant find prop '%s'", prop);
 209                                 return;
 210                         }
 211
 212                         var prope = this.props.get(prop);
 213                         if (prope != null && type =="p") {
 214                                 prope.start_line = line;
 215                         }
 216                         if (prope != null && type =="e") {
 217                                 prope.end_line = line;
 218                         }
 219
 220                 }
 221                 if (type == "l" || type =="x") {
 222                         if (prop == "" || !this.listeners.has_key(prop)) {
 223                                 //GLib.debug("cant find listener '%s'", prop);
 224                                 return;
 225                         }
 226
 227                         var prope = this.listeners.get(prop);
 228                         if (prope != null && type =="l") {
 229                                 prope.start_line = line;
 230                         }
 231                         if (prope != null && type =="x") {
 232                                 prope.end_line = line;
 233                         }
 234
 235
 236                 }
 237
 238
 239
 240
 241                 //GLib.debug("setLine %d, %s", line, type + ":" + prop);
 242         }
 243         public void sortLines() {
 244                 //print("sortLines\n");
 245                 this.lines.sort((a,b) => {
 246                         return (int)a-(int)b;
 247                 });
 248                 this.node_lines.sort((a,b) => {
 249                         return (int)a-(int)b;
 250                 });
 251         }
 252         public Node? lineToNode(int line)
 253         {
 254                 //print("Searching for line %d\n",line);
 255                 var l = -1;
 256                 //foreach(int el in this.node_lines) {
 257                         //print("all lines %d\n", el);
 258                 //}
 259
 260
 261                 foreach(int el in this.node_lines) {
 262                         //print("?match %d\n", el);
 263                         if (el < line) {
 264
 265                                 l = el;
 266                                 //print("LESS\n");
 267                                 continue;
 268                         }
 269                         if (el == line) {
 270                                 //print("SAME\n");
 271                                 l = el;
 272                                 break;
 273                         }
 274                         if (l > -1) {
 275                                 var ret = this.node_lines_map.get(l);
 276                                 if (line > ret.line_end) {
 277                                         return null;
 278                                 }
 279                                 //print("RETURNING NODE ON LINE %d", l);
 280                                 return ret;
 281                         }
 282                         return null;
 283
 284                 }
 285                 if (l > -1) {
 286                         var ret = this.node_lines_map.get(l);
 287                         if (line > ret.line_end) {
 288                                 return null;
 289                         }
 290                         //print("RETURNING NODE ON LINE %d", l);
 291                         return ret;
 292
 293                 }
 294                 return null;
 295
 296         }
 297
 298
 299         public NodeProp? lineToProp(int line)
 300         {
 301
 302                 for(var i= 0; i < this.propstore.get_n_items();i++) {
 303                         var p = (NodeProp) this.propstore.get_item(i);
 304                         GLib.debug("prop %s lines %d -> %d", p.name, p.start_line, p.end_line);
 305                         if (p.start_line > line) {
 306                                 continue;
 307                         }
 308                         if (line > p.end_line) {
 309                                 continue;
 310                         }
 311                         return p;
 312                 }
 313                 return null;
 314         }
 315
 316
 317
 318         public bool getPropertyRange(string prop, out int start, out int end)
 319         {
 320                 end = 0;
 321                 start = -1;
 322                 foreach(int el in this.lines) {
 323                         if (start < 0) {
 324                                 if (this.line_map.get(el) == prop) {
 325                                         start = el;
 326                                         end = el;
 327                                 }
 328                                 continue;
 329                         }
 330                         end = el -1;
 331                         break;
 332                 }
 333                 return start > -1;
 334
 335
 336         }
 337
 338         public void dumpProps(string indent = "")
 339         {
 340                 print("%s:\n" , this.fqn());
 341                 foreach(int el in this.lines) {
 342                         print("%d: %s%s\n", el, indent, this.line_map.get(el));
 343                 }
 344                 foreach(Node n in this.items) {
 345                         n.dumpProps(indent + "  ");
 346                 }
 347         }
 348
 349
 350
 351         public string uid()
 352         {
 353                 if (this.props.get("id") == null) {
 354                         return "uid-%d".printf(this.oid);
 355                 }
 356                 return this.props.get("id").val;
 357         }
 358
 359
 360         public bool hasChildren()
 361         {
 362                 return this.items.size > 0;
 363         }
 364         public bool hasXnsType()
 365         {
 366                 if (this.props.get("xns") != null && this.props.get("xtype") != null) {
 367                         return true;
 368
 369                 }
 370                 return false;
 371         }
 372
 373         public string FQN { // for sorting
 374                 owned get { return this.fqn(); }
 375                 private set  {}
 376         }
 377         public string NS { // for sorting
 378                 owned get { return this.props.has_key("xns") ? this.props.get("xns").val  : ""; }
 379                 private set  {}
 380         }
 381         public string fqn()
 382         {
 383                 if (!this.hasXnsType ()) {
 384                         return "";
 385                 }
 386                 return this.props.get("xns").val + "." + this.props.get("xtype").val;
 387
 388         }
 389         public void setFqn(string name)
 390         {
 391                 var ar = name.split(".");
 392                 var l = name.length - (ar[ar.length-1].length +1);
 393
 394
 395
 396                 if (this.props.has_key("xtype")) {
 397                         this.props.get("xtype").val = ar[ar.length-1];
 398                 } else {
 399                         this.add_prop(new NodeProp.prop("xtype", "",  ar[ar.length-1]));
 400                 }
 401                 if (this.props.has_key("xns")) {
 402                         this.props.get("xns").val = name.substring(0, l);
 403                 } else {
 404                         this.add_prop(new NodeProp.raw("xns", "", name.substring(0, l)));
 405                 }
 406
 407
 408                 //print("setFQN %s to %s\n", name , this.fqn());
 409
 410
 411         }
 412         // wrapper around get props that returns empty string if not found.
 413         //overrides Glib.object.get (hence new)
 414         public new string get(string key)
 415         {
 416
 417                 var v = this.props.get(key);
 418                 return v == null ? "" : v.val;
 419         }
 420
 421         public  NodeProp? get_prop(string key)
 422         {
 423
 424                 return this.props.get(key);
 425
 426         }
 427
 428
 429
 430
 431
 432         public bool has(string key)
 433         {
 434                 return this.props.has_key(key);
 435
 436
 437         }
 438
 439         public void  remove()
 440         {
 441                 if (this.parent == null) {
 442                         GLib.debug("remove - parent is null?");
 443                         return;
 444                 }
 445                 var nlist = new Gee.ArrayList<Node>();
 446                 for (var i =0;i < this.parent.items.size; i++) {
 447                         if (this.parent.items.get(i) == this) {
 448                                 continue;
 449                         }
 450                         nlist.add(this.parent.items.get(i));
 451                 }
 452                 uint pos;
 453                 if ( this.parent.childstore.find(this, out pos)) {
 454                         this.parent.childstore.remove(pos);
 455                 }
 456                 this.parent.updated_count++;
 457                 this.parent.items = nlist;
 458                 this.parent = null;
 459
 460         }
 461
 462         /* creates javascript based on the rules */
 463         public Node? findProp(string n) {
 464                 for(var i=0;i< this.items.size;i++) {
 465                         var p = this.items.get(i).get("* prop");
 466                         if (p  == null) {
 467                                 continue;
 468                         }
 469                         if (p == n) {
 470                                 return this.items.get(i);
 471                         }
 472                 }
 473                 return null;
 474
 475         }
 476
 477
 478
 479
 480         static Json.Generator gen = null;
 481
 482         public string quoteString(string str)
 483         {
 484                 if (Node.gen == null) {
 485                         Node.gen = new Json.Generator();
 486                 }
 487                  var n = new Json.Node(Json.NodeType.VALUE);
 488                 n.set_string(str);
 489
 490                 Node.gen.set_root (n);
 491                 return  Node.gen.to_data (null);
 492         }
 493
 494         public void loadFromJsonString(string str, int ver)
 495         {
 496                 var pa = new Json.Parser();
 497                 try {
 498                         pa.load_from_data(str);
 499                 } catch (GLib.Error e) {
 500                         GLib.debug("Error loading string?");
 501                         return;
 502                 }
 503                 var new_node = pa.get_root();
 504                 var obj = new_node.get_object ();
 505
 506                 this.loadFromJson(obj, ver);
 507         }
 508
 509
 510
 511         public void loadFromJson(Json.Object obj, int version) {
 512
 513                 obj.foreach_member((o , key, value) => {
 514                         //print(key+"\n");
 515                         if (key == "items") {
 516                                 var ar = value.get_array();
 517                                 ar.foreach_element( (are, ix, el) => {
 518                                         var node = new Node();
 519                                         node.parent = this;
 520                                         node.loadFromJson(el.get_object(), version);
 521                                         this.items.add(node);
 522                                         this.childstore.append(node);
 523                                 });
 524                                 return;
 525                         }
 526                         if (key == "listeners") {
 527                                 var li = value.get_object();
 528                                 li.foreach_member((lio , li_key, li_value) => {
 529                                         this.add_prop(new NodeProp.listener(li_key, this.jsonNodeAsString(li_value)));
 530                                         //this.listeners.set(li_key,  new NodeProp.listener(li_key, this.jsonNodeAsString(li_value)));
 531                                 });
 532                                 return;
 533                         }
 534
 535
 536                         var rkey = key;
 537                         var sval = this.jsonNodeAsString(value);
 538
 539                         if (version == 1) {
 540                                 rkey = this.upgradeKey(key, sval);
 541                         }
 542                         var n =  new NodeProp.from_json(rkey, sval);
 543
 544                         this.add_prop(n );
 545
 546
 547                 });
 548
 549
 550
 551
 552
 553
 554         }
 555
 556         // converts the array into a string with line breaks.
 557         public string jsonNodeAsString(Json.Node node)
 558         {
 559
 560                 if (node.get_node_type() == Json.NodeType.ARRAY) {
 561                         var  buffer = new GLib.StringBuilder();
 562                         var ar = node.get_array();
 563                         for (var i = 0; i < ar.get_length(); i++) {
 564                                 if (i >0 ) {
 565                                         buffer.append_c('\n');
 566                                 }
 567                                 buffer.append(ar.get_string_element(i));
 568                         }
 569                         return buffer.str;
 570                 }
 571         // hopeflyu only type value..
 572                 var sv =  Value (typeof (string));
 573                 var v = node.get_value();
 574                 v.transform(ref sv);
 575                 return (string)sv;
 576
 577         }
 578
 579         // really old files...
 580
 581         public string upgradeKey(string key, string val)
 582         {
 583                 // convert V1 to V2
 584                 if (key.length < 1) {
 585                         return key;
 586                 }
 587                 switch(key) {
 588                         case "*prop":
 589                         case "*args":
 590                         case ".ctor":
 591                         case "|init":
 592                                 return "* " + key.substring(1);
 593
 594                         case "pack":
 595                                 return "* " + key;
 596                 }
 597                 if (key[0] == '.') { // v2 does not start with '.' ?
 598                         var bits = key.substring(1).split(":");
 599                         if (bits[0] == "signal") {
 600                                 return "@" + string.joinv(" ", bits).substring(bits[0].length);
 601                         }
 602                         return "# " + string.joinv(" ", bits);
 603                 }
 604                 if (key[0] != '|' || key[1] == ' ') { // might be a v2 file..
 605                         return key;
 606                 }
 607                 var bits = key.substring(1).split(":");
 608                 // two types '$' or '|' << for methods..
 609                 // javascript
 610                 if  (Regex.match_simple ("^function\\s*(", val.strip())) {
 611                         return "| " + key.substring(1);
 612                 }
 613                 // vala function..
 614
 615                 if  (Regex.match_simple ("^\\(", val.strip())) {
 616
 617                         return "| " + string.joinv(" ", bits);
 618                 }
 619
 620                 // guessing it's a property..
 621                 return "$ " + string.joinv(" ", bits);
 622
 623
 624
 625         }
 626
 627
 628
 629
 630
 631
 632         public Node  deepClone()
 633         {
 634                 var n = new Node();
 635                 n.loadFromJson(this.toJsonObject(), 2);
 636                 return n;
 637
 638         }
 639         public string toJsonString()
 640         {
 641                 if (Node.gen == null) {
 642                         Node.gen = new Json.Generator();
 643                         gen.pretty =  true;
 644                         gen.indent = 1;
 645                 }
 646                 var n = new Json.Node(Json.NodeType.OBJECT);
 647                 n.set_object(this.toJsonObject () );
 648                 Node.gen.set_root (n);
 649                 return  Node.gen.to_data (null);
 650         }
 651
 652         public void jsonObjectAddStringValue(Json.Object obj, string key, string v)
 653         {
 654                 if (v.index_of_char('\n',0) < 0) {
 655                         obj.set_string_member(key,v);
 656                         return;
 657                 }
 658                 var aro = new Json.Array();
 659                 var ar = v.split("\n");
 660                 for(var i =0;i < ar.length;i++) {
 661                         aro.add_string_element(ar[i]);
 662                 }
 663                 obj.set_array_member(key,aro);
 664         }
 665
 666         public Json.Object toJsonObject()
 667         {
 668                 var ret = new Json.Object();
 669
 670                 // listeners...
 671                 if (this.listeners.size > 0) {
 672                         var li = new Json.Object();
 673                         ret.set_object_member("listeners", li);
 674                         var liter = this.listeners.map_iterator();
 675                         while (liter.next()) {
 676                                 this.jsonObjectAddStringValue(li, liter.get_value().to_json_key(), liter.get_value().val);
 677                         }
 678                 }
 679                 //props
 680                 if (this.props.size > 0 ) {
 681                         var iter = this.props.map_iterator();
 682                         while (iter.next()) {
 683                                 this.jsonObjectsetMember(ret, iter.get_value().to_json_key(), iter.get_value().val);
 684                         }
 685                 }
 686                 if (this.items.size > 0) {
 687                         var ar = new Json.Array();
 688                         ret.set_array_member("items", ar);
 689
 690                         // children..
 691                         for(var i =0;i < this.items.size;i++) {
 692                                 ar.add_object_element(this.items.get(i).toJsonObject());
 693                         }
 694                 }
 695                 return ret;
 696
 697
 698         }
 699
 700         public void jsonObjectsetMember(Json.Object o, string key, string val) {
 701                 if (Lang.isBoolean(val)) {
 702                         o.set_boolean_member(key, val.down() == "false" ? false : true);
 703                         return;
 704                 }
 705
 706
 707                 if (Lang.isNumber(val)) {
 708                         if (val.contains(".")) {
 709                                 //print( "ADD " + key + "=" + val + " as a double?\n");
 710                                 o.set_double_member(key, double.parse (val));
 711                                 return;
 712
 713                         }
 714                         //print( "ADD " + key + "=" + val + " as a int?\n")  ;
 715                         o.set_int_member(key,long.parse(val));
 716                         return;
 717                 }
 718                 ///print( "ADD " + key + "=" + val + " as a string?\n");
 719                 this.jsonObjectAddStringValue(o,key,val);
 720                 //o.set_string_member(key,val);
 721
 722         }
 723
 724
 725         public string nodeTipProp {
 726                 set {
 727                         // NOOp ??? should
 728                 }
 729                 owned get {
 730                          return  this.nodeTip();
 731                 }
 732         }
 733         // fixme this needs to better handle 'user defined types etc..
 734         public string nodeTip()
 735         {
 736                 var ret = this.nodeTitle(true);
 737                 var spec = "";
 738                 var funcs = "";
 739                 var props = "";
 740                 var listen = "";
 741
 742                 var uprops = "";
 743                 // sort?
 744
 745                 var keys = new  Gee.ArrayList<string>();
 746                 foreach(var k in this.props.keys) {
 747                         keys.add(k);
 748                 }
 749                 keys.sort((a,b) => {
 750                          return Posix.strcmp(a, b);
 751
 752                 });
 753
 754
 755                 foreach(var pk in keys) {
 756
 757                         var prop = this.props.get(pk);
 758                         var i = prop.name.strip();
 759
 760                         var val = prop.val;
 761                         val = val == null ? "" : val;
 762
 763                         switch(prop.ptype) {
 764                                 case PROP:
 765                                 case RAW: // should they be the same?
 766
 767                                         props += "\n\t" + GLib.Markup.escape_text(prop.rtype) +
 768                                                 " <b>" + GLib.Markup.escape_text(i) +"</b> : " +
 769                                                 GLib.Markup.escape_text(val.split("\n")[0]);
 770
 771                                         break;
 772
 773
 774
 775                                 case METHOD :
 776                                         funcs += "\n\t" + GLib.Markup.escape_text(prop.rtype) +
 777                                                 " <b>" + GLib.Markup.escape_text(i) +"</b> : "  +
 778                                                 GLib.Markup.escape_text(val.split("\n")[0]);
 779                                         break;
 780
 781
 782                                 case USER : // user defined.
 783                                         uprops += "\n\t<b>" +
 784                                                 GLib.Markup.escape_text(i) +"</b> : " +
 785                                                 GLib.Markup.escape_text(val.split("\n")[0]);
 786                                         break;
 787
 788                                 case SPECIAL : // * prop| args | ctor | init
 789                                         spec += "\n\t<b>" +
 790                                                 GLib.Markup.escape_text(i) +"</b> : " +
 791                                                 GLib.Markup.escape_text(val.split("\n")[0]);
 792                                         break;
 793
 794                                 case LISTENER : return  "";  // always raw...
 795                                 // not used
 796                                 default:
 797                                         break;;
 798
 799                         }
 800
 801
 802                 }
 803
 804                 keys = new  Gee.ArrayList<string>();
 805                 foreach(var k in this.listeners.keys) {
 806                         keys.add(k);
 807                 }
 808                 keys.sort((a,b) => {
 809                          return Posix.strcmp(a, b);
 810
 811                 });
 812
 813                 foreach(var pk in keys) {
 814
 815                         var prop = this.listeners.get(pk);
 816                         var i =  prop.name.strip();
 817
 818                         var val = prop.val.strip();
 819                         if (val == null || val.length < 1) {
 820                                 continue;
 821                         }
 822                          listen += "\n\t<b>" +
 823                                         GLib.Markup.escape_text(i) +"</b> : " +
 824                                         GLib.Markup.escape_text(val.split("\n")[0]);
 825
 826                 }
 827
 828
 829                 if (props.length > 0) {
 830                         ret+="\n\nProperties:" + props;
 831                 }
 832                 if (uprops.length > 0) {
 833                         ret+="\n\nUser defined Properties:" + uprops;
 834                 }
 835
 836
 837                 if (funcs.length > 0) {
 838                         ret+="\n\nMethods:" + funcs;
 839                 }
 840                 if (listen.length > 0) {
 841                         ret+="\n\nListeners:" + listen;
 842                 }
 843                 if (spec.length > 0) {
 844                         ret+="\n\nSpecial:" + spec;
 845                 }
 846
 847                 return ret;
 848
 849         }
 850
 851         public string nodeTitleProp {
 852                 set {
 853                         // NOOp ??? should
 854                 }
 855                 owned get {
 856                          return  this.nodeTitle();
 857                 }
 858         }
 859
 860
 861
 862
 863
 864
 865         public string nodeTitle(bool for_tip = false)
 866         {
 867                 string[] txt = {};
 868
 869                 //var sr = (typeof(c['+buildershow']) != 'undefined') &&  !c['+buildershow'] ? true : false;
 870                 //if (sr) txt.push('<s>');
 871
 872                 if (this.has("* prop"))   { txt += (GLib.Markup.escape_text(this.get("* prop")) + ":"); }
 873
 874                 //if (renderfull && c['|xns']) {
 875                 var fqn = this.fqn();
 876                 var fqn_ar = fqn.split(".");
 877                 txt += for_tip || fqn.length < 1 ? fqn : fqn_ar[fqn_ar.length -1];
 878
 879                 if (fqn == "Roo.bootstrap.Element" && this.has("tag")) {
 880                    txt = {};
 881                    txt += GLib.Markup.escape_text(this.get("tag").up());
 882                 }
 883
 884                 //if (c.xtype)    { txt.push(c.xtype); }
 885
 886                 if (this.has("id"))      { txt += ("<b>[id=" + GLib.Markup.escape_text(this.get("id")) + "]</b>"); }
 887                 if (this.has("fieldLabel")){ txt += ("[" + GLib.Markup.escape_text(this.get("fieldLabel")) + "]"); }
 888                 if (this.has("boxLabel"))  { txt += ("[" + GLib.Markup.escape_text(this.get("boxLabel"))+ "]"); }
 889
 890
 891                 if (this.has("layout")) { txt += ("<i>" + GLib.Markup.escape_text(this.get("layout")) + "</i>"); }
 892                 if (this.has("title"))   { txt += ("<b>" + GLib.Markup.escape_text(this.get("title")) + "</b>"); }
 893                 if (this.has("html") && this.get("html").length > 0)     {
 894                         var ht = this.get("html").split("\n");
 895                         if (ht.length > 1) {
 896                                 txt += ("<b>" + GLib.Markup.escape_text(ht[0]) + "...</b>");
 897                         } else {
 898                                 txt += ("<b>" + GLib.Markup.escape_text(this.get("html")) + "</b>");
 899                         }
 900                 }
 901                 if (this.has("label"))   { txt += ("<b>" + GLib.Markup.escape_text(this.get("label"))+ "</b>"); }
 902                 if (this.has("header"))   { txt += ("<b>" + GLib.Markup.escape_text(this.get("header")) + "</b>"); }
 903                 if (this.has("legend"))  { txt += ("<b>" + GLib.Markup.escape_text(this.get("legend")) + "</b>"); }
 904                 if (this.has("text"))     { txt += ("<b>" + GLib.Markup.escape_text(this.get("text")) + "</b>"); }
 905                 if (this.has("name"))     { txt += ("<b>" + GLib.Markup.escape_text(this.get("name"))+ "</b>"); }
 906                 if (this.has("region")) { txt += ("<i>(" + GLib.Markup.escape_text(this.get("region")) + ")</i>"); }
 907                 if (this.has("dataIndex")){ txt += ("[" + GLib.Markup.escape_text(this.get("dataIndex")) + "]"); }
 908                 // class is quite important on bootstrap..
 909                 if (this.has("cls")){ txt += ("<b>[cls=" + GLib.Markup.escape_text(this.get("cls")) + "]</b>"); }
 910
 911                 // other 'specials?'
 912                 if (fqn == "Roo.bootstrap.Link") {
 913                         txt += ("<b>href=" + (this.has("name") ?  GLib.Markup.escape_text(this.get("name")) : "?" ) + "</b>");
 914                         if (this.has("fa")){ txt += ("<b>[fa=" + GLib.Markup.escape_text(this.get("fa")) + "]</b>"); }
 915                 }
 916
 917
 918
 919                 // for flat classes...
 920                 //if (typeof(c["*class"]"))!= "undefined")  { txt += ("<b>" +  c["*class"]+  "</b>"); }
 921                 //if (typeof(c["*extends"]"))!= "undefined")  { txt += (": <i>" +  c["*extends"]+  "</i>"); }
 922
 923
 924                 //if (sr) txt.push('</s>');
 925                 return (txt.length == 0) ? "Element" : string.joinv(" ", txt);
 926         }
 927         // used by trees to display icons?
 928         // needs more thought?!?
 929         public string iconFilename {
 930                 set {
 931                         // NOOp ??? should
 932                 }
 933                 owned get {
 934                         var clsname = this.fqn();
 935
 936                         var clsb = clsname.split(".");
 937                     var sub = clsb.length > 1 ? clsb[1].down()  : "";
 938                         var fn = "/usr/share/glade/pixmaps/hicolor/16x16/actions/widget-gtk-" + sub + ".png";
 939                         //if (FileUtils.test (fn, FileTest.IS_REGULAR)) {
 940                                 return fn;
 941                         //}
 942                         //return "/dev/null"; //???
 943                 }
 944         }
 945
 946
 947
 948         public void insertAfter(Node child, Node after)
 949         {
 950                 this.insertChild(this.items.index_of(after) + 1, child);
 951         }
 952         public void insertBefore(Node child, Node before)
 953         {
 954                 this.insertChild(this.items.index_of(before), child);
 955         }
 956
 957         public void insertChild(int pos, Node child)
 958         {
 959                 this.items.insert(pos, child);
 960                 this.childstore.insert(pos, child);
 961                 child.parent = this;
 962         }
 963         public void appendChild(Node child)
 964         {
 965                 this.items.add( child);
 966                 this.childstore.append(child);
 967                 child.parent = this;
 968         }
 969
 970
 971         /**
 972
 973         properties
 974                 previous we had listeners / and props
 975
 976                 we really need to store this as flat array - keep it simple!?
 977
 978                 getValue(key)
 979                 update(key, value)
 980
 981
 982
 983         */
 984
 985
 986
 987
 988         public void loadProps(GLib.ListStore model)
 989         {
 990
 991                 // fixme sorting?? - no need to loop twice .. just use sorting.!
 992                 var oldstore = this.propstore;
 993                 this.propstore = model;
 994                 for(var i =  0; i < oldstore.n_items; i++ ) {
 995                         var it = (NodeProp) oldstore.get_item(i);
 996                     model.append(it);
 997
 998                 }
 999                 this.sortProps();
1000
1001    }
1002    // used to replace propstore, so it does not get wiped by editing a node
1003    public void dupeProps()
1004    {
1005                 GLib.debug("dupeProps START");
1006                 var oldstore = this.propstore;
1007                 this.propstore = new GLib.ListStore(typeof(NodeProp));;
1008                 for(var i =  0; i < oldstore.n_items; i++ ) {
1009                         var it = (NodeProp) oldstore.get_item(i);
1010                         this.propstore.append(it);
1011                 }
1012                 GLib.debug("dupeProps END");
1013         }
1014
1015
1016    public void remove_prop(NodeProp prop)
1017         {
1018                 uint pos;
1019                 if (!this.propstore.find(prop, out pos)) {
1020                         return;
1021                 }
1022                 this.propstore.remove(pos);
1023                 this.updated_count++;
1024
1025         }
1026
1027         public bool has_prop_key(NodeProp prop)
1028         {
1029                 for(var i =  0; i < this.propstore.n_items; i++ ) {
1030                         var it = (NodeProp) this.propstore.get_item(i);
1031                         if (it.ptype == prop.ptype && it.to_index_key() == prop.to_index_key()) {
1032                                 return true;
1033                         }
1034
1035                 }
1036                 return false;
1037
1038         }
1039
1040
1041
1042
1043         public void add_prop(NodeProp prop)
1044         {
1045                 if (this.has_prop_key(prop) && !prop.to_index_key().has_suffix("[]")) {
1046                         GLib.warning("duplicate key' %s'- can not add - call has_prop_key first", prop.to_index_key());
1047                         return;
1048                 }
1049                 prop.parent = this;
1050                 this.propstore.append(prop);
1051                 this.sortProps();
1052
1053                 this.updated_count++;
1054
1055
1056         }
1057
1058         int props_updated_count = -1;
1059         Gee.HashMap<string,NodeProp> props_cache;
1060
1061         public Gee.HashMap<string,NodeProp> props {
1062                 owned get {
1063                         if (this.updated_count == this.props_updated_count) {
1064                                 return this.props_cache;
1065                         }
1066                          this.props_cache = new Gee.HashMap<string,NodeProp>(); // the properties..
1067
1068                         for(var i =  0; i < this.propstore.n_items; i++ ) {
1069                                 var it = (NodeProp) this.propstore.get_item(i);
1070                                 if (it.ptype != NodePropType.LISTENER) {
1071                                 //      GLib.debug("props add key %s", it.to_index_key());
1072                                         this.props_cache.set( it.to_index_key() , it);
1073                                 }
1074                         }
1075                         this.props_updated_count = this.updated_count;
1076                         return this.props_cache;
1077                 }
1078                 private set {
1079                         GLib.error("do not set listerners direclty");
1080                 }
1081         }
1082
1083         int listeners_updated_count = -1;
1084         Gee.HashMap<string,NodeProp> listeners_cache;
1085
1086         //private Gee.HashMap<string,NodeProp> _listeners; // the listeners..
1087         public Gee.HashMap<string,NodeProp> listeners {
1088                 owned get {
1089                         if (this.updated_count == this.listeners_updated_count) {
1090                                 return this.listeners_cache;
1091                         }
1092
1093                         this.listeners_cache = new Gee.HashMap<string,NodeProp>(); // the properties..
1094
1095                         for(var i =  0; i < this.propstore.n_items; i++ ) {
1096                                 var it = (NodeProp) this.propstore.get_item(i);
1097                                 if (it.ptype == NodePropType.LISTENER) {
1098                                         this.listeners_cache.set( it.to_index_key() , it);
1099                                 }
1100                         }
1101                         this.listeners_updated_count = this.updated_count;
1102                         return this.listeners_cache;;
1103                 }
1104                 private set {
1105                         GLib.error("do not set listerners direclty");
1106                 }
1107         }
1108         private void sortProps ()
1109         {
1110
1111                 this.propstore.sort( (a, b) => {
1112
1113                         return Posix.strcmp( ((NodeProp)a).to_sort_key(),  ((NodeProp)b).to_sort_key());
1114
1115                 });
1116
1117
1118         }
1119 }