git.roojs.org Git - app.Builder.js/blob - src/Builder4/WindowLeftTree.vala

   1 static Xcls_WindowLeftTree  _WindowLeftTree;
   2
   3 public class Xcls_WindowLeftTree : Object
   4 {
   5     public Gtk.ScrolledWindow el;
   6     private Xcls_WindowLeftTree  _this;
   7
   8     public static Xcls_WindowLeftTree singleton()
   9     {
  10         if (_WindowLeftTree == null) {
  11             _WindowLeftTree= new Xcls_WindowLeftTree();
  12         }
  13         return _WindowLeftTree;
  14     }
  15     public Xcls_view view;
  16     public Xcls_model model;
  17     public Xcls_renderer renderer;
  18     public Xcls_LeftTreeMenu LeftTreeMenu;
  19
  20         // my vars (def)
  21     public signal bool before_node_change (JsRender.Node? node);
  22     public signal void changed ();
  23     public signal void node_selected (JsRender.Node? node);
  24     public Xcls_MainWindow main_window;
  25
  26     // ctor
  27     public Xcls_WindowLeftTree()
  28     {
  29         _this = this;
  30         this.el = new Gtk.ScrolledWindow( null, null );
  31
  32         // my vars (dec)
  33         this.main_window = null;
  34
  35         // set gobject values
  36         this.el.shadow_type = Gtk.ShadowType.IN;
  37         var child_0 = new Xcls_view( _this );
  38         child_0.ref();
  39         this.el.add (  child_0.el  );
  40         var child_1 = new Xcls_LeftTreeMenu( _this );
  41         child_1.ref();
  42
  43         // init method
  44
  45         this.el.set_policy (Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC);
  46     }
  47
  48     // user defined functions
  49     public           JsRender.Node? getActiveElement () { // return path to actie node.
  50
  51          var path = this.getActivePath();
  52          if (path.length < 1) {
  53             return null;
  54          }
  55          return _this.model.pathToNode(path);
  56
  57     }
  58     public           JsRender.JsRender getActiveFile () {
  59         return this.model.file;
  60     }
  61     public           string getActivePath () {
  62         var model = this.model;
  63         var view = this.view.el;
  64         if (view.get_selection().count_selected_rows() < 1) {
  65             return "";
  66         }
  67         Gtk.TreeIter iter;
  68         Gtk.TreeModel mod;
  69         view.get_selection().get_selected(out mod, out iter);
  70         return mod.get_path(iter).to_string();
  71     }
  72     public class Xcls_view : Object
  73     {
  74         public Gtk.TreeView el;
  75         private Xcls_WindowLeftTree  _this;
  76
  77
  78             // my vars (def)
  79         public string dragData;
  80         public int drag_x;
  81         public string[] dropList;
  82         public int drag_y;
  83         public bool drag_in_motion;
  84         public bool blockChanges;
  85
  86         // ctor
  87         public Xcls_view(Xcls_WindowLeftTree _owner )
  88         {
  89             _this = _owner;
  90             _this.view = this;
  91             this.el = new Gtk.TreeView();
  92
  93             // my vars (dec)
  94             this.blockChanges = false;
  95
  96             // set gobject values
  97             this.el.tooltip_column = 1;
  98             this.el.enable_tree_lines = true;
  99             this.el.headers_visible = false;
 100             var child_0 = new Xcls_model( _this );
 101             child_0.ref();
 102             this.el.set_model (  child_0.el  );
 103             var child_1 = new Xcls_TreeViewColumn4( _this );
 104             child_1.ref();
 105             this.el.append_column (  child_1.el  );
 106
 107             // init method
 108
 109             {
 110                 var description = new Pango.FontDescription();
 111                 description.set_size(8000);
 112                 this.el.modify_font(description);
 113
 114                 var selection = this.el.get_selection();
 115                 selection.set_mode( Gtk.SelectionMode.SINGLE);
 116
 117
 118                 // is this really needed??
 119                 /*
 120                 this.selection.signal['changed'].connect(function() {
 121                     _this.get('/LeftTree.view').listeners.cursor_changed.apply(
 122                         _this.get('/LeftTree.view'), [ _this.get('/LeftTree.view'), '']
 123                     );
 124                 });
 125                 */
 126                 Gtk.drag_source_set (
 127                     this.el,            /* widget will be drag-able */
 128                     Gdk.ModifierType.BUTTON1_MASK,       /* modifier that will start a drag */
 129                     BuilderApplication.targetList,            /* lists of target to support */
 130                     Gdk.DragAction.COPY   | Gdk.DragAction.MOVE    |  Gdk.DragAction.LINK           /* what to do with data after dropped */
 131                 );
 132
 133                 // ?? needed??
 134                 //Gtk.drag_source_add_text_targets(this.el);
 135
 136                 Gtk.drag_dest_set
 137                 (
 138                     this.el,              /* widget that will accept a drop */
 139                     Gtk.DestDefaults.MOTION  | Gtk.DestDefaults.HIGHLIGHT,
 140                     BuilderApplication.targetList,            /* lists of target to support */
 141                     Gdk.DragAction.COPY   | Gdk.DragAction.MOVE   | Gdk.DragAction.LINK     /* what to do with data after dropped */
 142                 );
 143
 144                 //Gtk.drag_dest_set_target_list(this.el, Builder.Application.targetList);
 145                 //Gtk.drag_dest_add_text_targets(this.el);
 146             }
 147
 148             // listeners
 149             this.el.button_press_event.connect( ( ev) => {
 150                 //console.log("button press?");
 151                 if (! _this.before_node_change(null) ) {
 152                    return true;
 153                 }
 154
 155
 156                 if (ev.type != Gdk.EventType.BUTTON_PRESS  || ev.button != 3) {
 157                     //print("click" + ev.type);
 158                     return false;
 159                 }
 160                 Gtk.TreePath res;
 161                 if (!_this.view.el.get_path_at_pos((int)ev.x,(int)ev.y, out res, null, null, null) ) {
 162                     return true;
 163                 }
 164
 165                 this.el.get_selection().select_path(res);
 166
 167                   //if (!this.get('/LeftTreeMenu').el)  {
 168                   //      this.get('/LeftTreeMenu').init();
 169                   //  }
 170
 171                  _this.LeftTreeMenu.el.set_screen(Gdk.Screen.get_default());
 172                  _this.LeftTreeMenu.el.show_all();
 173                   _this.LeftTreeMenu.el.popup(null, null, null,  3, ev.time);
 174                  //   print("click:" + res.path.to_string());
 175                   return true;
 176             });
 177             this.el.drag_begin.connect( ( ctx)  => {
 178                 //print('SOURCE: drag-begin');
 179
 180
 181                     //this.targetData = "";
 182
 183                     // find what is selected in our tree...
 184
 185                     var s = _this.view.el.get_selection();
 186                     if (s.count_selected_rows() < 1) {
 187                         return;
 188                     }
 189                     Gtk.TreeIter iter;
 190                     Gtk.TreeModel mod;
 191                     s.get_selected(out mod, out iter);
 192
 193
 194
 195                     // set some properties of the tree for use by the dropped element.
 196                     GLib.Value value;
 197                     _this.model.el.get_value(iter, 2, out value);
 198                     var tp = mod.get_path(iter).to_string();
 199                     var data = (JsRender.Node)(value.dup_object());
 200                     var xname = data.fqn();
 201                     print ("XNAME  IS " + xname+ "\n");
 202                     this.dragData = tp;
 203                     this.dropList = _this.model.file.palete().getDropList(xname);
 204
 205                     print ("DROP LIST IS " + string.joinv(", ", this.dropList) + "\n");
 206
 207
 208                     // make the drag icon a picture of the node that was selected
 209
 210
 211                 // by default returns the path..
 212                    var path = _this.model.el.get_path(iter);
 213
 214
 215                     var pix = this.el.create_row_drag_icon ( path);
 216
 217                     Gtk.drag_set_icon_surface (ctx, pix) ;
 218
 219                     return;
 220             });
 221             this.el.cursor_changed.connect( ( ) => {
 222
 223
 224                  if (this.blockChanges) { // probably not needed..
 225                    return  ;
 226                  }
 227                   if (!_this.before_node_change(null) ) {
 228                      this.blockChanges = true;
 229                      this.el.get_selection().unselect_all();
 230                      this.blockChanges = false;
 231                      return;
 232                  }
 233                  if (_this.model.file == null) {
 234                      return;
 235                  }
 236
 237                  //var render = this.get('/LeftTree').getRenderer();
 238                 print("LEFT TREE -> view -> selection changed called\n");
 239
 240
 241                 // -- it appears that the selection is not updated.
 242
 243                 GLib.Timeout.add_full(GLib.Priority.DEFAULT,10 , () => {
 244
 245
 246                         if (this.el.get_selection().count_selected_rows() < 1) {
 247
 248                             print("selected rows < 1\n");
 249                             //??this.model.load( false);
 250                             _this.node_selected(null);
 251
 252                             return false ;
 253                         }
 254
 255                             //console.log('changed');
 256                         var s = this.el.get_selection();
 257                          Gtk.TreeIter iter;
 258                          Gtk.TreeModel mod;
 259                         s.get_selected(out mod, out iter);
 260
 261
 262                         // var val = "";
 263                         GLib.Value value;
 264                         _this.model.el.get_value(iter, 2, out value);
 265                         _this.model.activePath = mod.get_path(iter).to_string();
 266
 267                         var node = (JsRender.Node)value.dup_object();
 268                         _this.node_selected(node);
 269
 270                         this.el.scroll_to_cell(new Gtk.TreePath.from_string(_this.model.activePath), null, true, 0.1f,0.0f);
 271
 272                         return false;
 273                   });
 274                 //_this.after_node_change(node);
 275
 276             //        _this.model.file.changed(node, "tree");
 277
 278                 //Seed.print( value.get_string());
 279                 return  ;
 280
 281             });
 282             this.el.drag_end.connect( (drag_context) => {
 283                 //Seed.print('LEFT-TREE: drag-end');
 284                     this.dragData = "";
 285                     this.dropList = null;
 286             //        this.targetData = "";
 287                     this.highlightDropPath("",0);
 288             //        return true;
 289             });
 290             this.el.drag_motion.connect( ( ctx, x, y, time)  => {
 291                print("got drag motion\n");
 292                 var src = Gtk.drag_get_source_widget(ctx);
 293                this.drag_x = x;
 294                this.drag_y = y;
 295
 296                if (src != this.el) {
 297
 298
 299
 300                 // the point of this is to detect where an item could be dropped..
 301                     print("requesting drag data\n");
 302                    this.drag_in_motion = true;
 303
 304                         // request data that will be recieved by the recieve...
 305                     Gtk.drag_get_data
 306                     (
 307                             this.el,         // will receive 'drag-data-received' signal
 308                             ctx,        // represents the current state of the DnD
 309                             Gdk.Atom.intern("STRING",true),    // the target type we want
 310                             time            // time stamp
 311                     );
 312                     return true;
 313               }
 314
 315
 316               print("action: %d\n", ctx.get_actions());
 317              //print("GETTING POS");
 318                 var  targetData = "";
 319
 320                 Gtk.TreePath path;
 321                 Gtk.TreeViewDropPosition pos;
 322                 var isOver = _this.view.el.get_dest_row_at_pos(this.drag_x,this.drag_y, out path, out pos);
 323
 324                 // if there are not items in the tree.. the we have to set isOver to true for anything..
 325                 var isEmpty = false;
 326                 if (_this.model.el.iter_n_children(null) < 1) {
 327                     print("got NO children?\n");
 328                     isOver = true; //???
 329                     isEmpty = true;
 330                     pos = Gtk.TreeViewDropPosition.INTO_OR_AFTER;
 331                 }
 332
 333
 334                 // ------------- a drag from self..
 335
 336
 337                 //var action = Gdk.DragAction.COPY;
 338                     // unless we are copying!!! ctl button..
 339
 340                 var action = (ctx.get_actions() & Gdk.DragAction.MOVE) > 0 ?
 341                              Gdk.DragAction.COPY  : Gdk.DragAction.MOVE ;
 342                             // Gdk.DragAction.MOVE : Gdk.DragAction.COPY ;
 343
 344
 345                 if (_this.model.el.iter_n_children(null) < 1) {
 346                     // no children.. -- asume it's ok..
 347
 348                     targetData = "|%d|".printf((int)Gtk.TreeViewDropPosition.INTO_OR_AFTER);
 349
 350                     this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 351                     Gdk.drag_status(ctx, action ,time);
 352                     return true;
 353
 354                     // continue through to allow drop...
 355
 356                 }
 357
 358
 359
 360
 361
 362                 //print("ISOVER? " + isOver);
 363                 if (!isOver) {
 364
 365                     Gdk.drag_status(ctx, 0 ,time);
 366                      this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 367                      return false;
 368
 369                 }
 370
 371                 // drag node is parent of child..
 372                 //console.log("SRC TREEPATH: " + src.treepath);
 373                 //console.log("TARGET TREEPATH: " + data.path.to_string());
 374
 375                 // nned to check a  few here..
 376                 //Gtk.TreeViewDropPosition.INTO_OR_AFTER
 377                 //Gtk.TreeViewDropPosition.INTO_OR_BEFORE
 378                 //Gtk.TreeViewDropPosition.AFTER
 379                 //Gtk.TreeViewDropPosition.BEFORE
 380
 381                 // locally dragged items to not really use the
 382                 var selection_text = this.dragData;
 383
 384
 385
 386                 if (selection_text == null || selection_text.length < 1) {
 387                             //print("Error  - drag selection text returned NULL");
 388                          Gdk.drag_status(ctx, 0 ,time);
 389                         this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 390                          return false;
 391                  }
 392
 393
 394                         // see if we are dragging into ourself?
 395                 var target_path = path.to_string();
 396                 print ("Drag  %s onto %s--%d\n ", selection_text, target_path, pos);
 397
 398                 // pos : 3 = ontop - 0 = after, 1 = before
 399                 //print("target_path="+target_path);
 400
 401                 //
 402                 if (selection_text  == target_path) {
 403                     print("self drag ?? == we should perhaps allow copy onto self..\n");
 404
 405                      Gdk.drag_status(ctx, 0 ,time);
 406                       this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 407                       return false;
 408             //                 -- fixme -- this is not really correct..
 409
 410                 }
 411
 412                 // check that
 413                 //print("DUMPING DATA");
 414                 //console.dump(data);
 415                 // path, pos
 416
 417                 //print(data.path.to_string() +' => '+  data.pos);
 418
 419                 // dropList is a list of xtypes that this node could be dropped on.
 420                 // it is set up when we start to drag..
 421
 422
 423                 targetData = _this.model.findDropNodeByPath( path.to_string(), this.dropList, pos);
 424
 425                 print("targetDAta: " + targetData +"\n");
 426
 427                 if (targetData.length < 1) {
 428                     //print("Can not find drop node path");
 429
 430                     Gdk.drag_status(ctx, 0, time);
 431                     this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 432                     return false;
 433                 }
 434
 435                 var td_ar = targetData.split("|");
 436
 437
 438
 439                 Gdk.drag_status(ctx, action ,time);
 440                 this.highlightDropPath(td_ar[0], (Gtk.TreeViewDropPosition)int.parse(td_ar[1]));
 441                 return true;
 442
 443
 444             });
 445             this.el.drag_data_get.connect( ( drag_context, data, info, time) => {
 446
 447
 448                              //print("drag-data-get");
 449                              var s = this.el.get_selection();
 450                              if (s.count_selected_rows() < 1) {
 451                                     data.set_text("",0);
 452                                      print("return empty string - no selection..");
 453                                     return;
 454                                 }
 455
 456                              Gtk.TreeIter iter;
 457                              Gtk.TreeModel mod;
 458
 459                              s.get_selected(out mod, out iter);
 460
 461
 462
 463                              GLib.Value value;
 464                              _this.model.el.get_value(iter, 2, out value);
 465                              var ndata = (JsRender.Node)(value.dup_object());
 466                              var xname = ndata.fqn();
 467
 468
 469                             var tp = mod.get_path(iter).to_string();
 470                             // by default returns the path..
 471
 472                            if ( info != Gdk.Atom.intern("STRING",true) ) {
 473                                 tp = ndata.toJsonString();
 474                            }
 475
 476                            //data.set_text(tp,tp.length);
 477
 478                             data.set (data.get_target (), 8, (uchar[]) tp.to_utf8 ());
 479
 480
 481                            //  print("return " + tp);
 482                         });
 483             this.el.drag_data_received.connect( (ctx, x, y, sel, info, time)  => {
 484
 485                     // THIS CODE ONLY RELATES TO drag  or drop of "NEW" elements or "FROM another tree.."
 486
 487
 488                     //  print("Tree: drag-data-received\n");
 489                     var selection_text = (string)sel.get_data();
 490                     //print("selection_text= %s\n",selection_text);
 491
 492                     var is_drag = this.drag_in_motion;
 493
 494
 495
 496                     print("Is Drag %s\n", is_drag ? "Y": "N");
 497                     var  targetData = "";
 498
 499                     Gtk.TreePath path;
 500                     Gtk.TreeViewDropPosition pos;
 501                     var isOver = _this.view.el.get_dest_row_at_pos(this.drag_x,this.drag_y, out path, out pos);
 502
 503                     // if there are not items in the tree.. the we have to set isOver to true for anything..
 504                     var isEmpty = false;
 505                     if (_this.model.el.iter_n_children(null) < 1) {
 506                         print("got NO children?\n");
 507                         isOver = true; //???
 508                         isEmpty = true;
 509                         pos = Gtk.TreeViewDropPosition.INTO_OR_AFTER;
 510                     }
 511
 512
 513                     //console.log("LEFT-TREE: drag-motion");
 514                     var src = Gtk.drag_get_source_widget(ctx);
 515
 516                     // a drag from self - this should be handled by drop and motion.
 517                     if (src == this.el) {
 518                         print("Source == this element should not happen.. ? \n");
 519                         return;
 520                     }
 521                     //print("drag_data_recieved from another element");
 522
 523
 524
 525
 526                     if (selection_text == null || selection_text.length < 1 || !isOver) {
 527                         // nothing valid foudn to drop...
 528                            print("empty sel text or not over");
 529                         if (is_drag) {
 530                             Gdk.drag_status(ctx, 0, time);
 531                             this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 532                             return;
 533                         }
 534                         Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 535                         // no drop action...
 536                         return;
 537
 538                     }
 539                     var dropNode = new JsRender.Node();
 540
 541                     var dropNodeType  = selection_text;
 542                     var show_templates = true;
 543                     // for drop
 544                     if (dropNodeType[0] == '{') {
 545                         var pa = new Json.Parser();
 546                         pa.load_from_data(dropNodeType);
 547
 548                         dropNode.loadFromJson( pa.get_root().get_object(), 2);
 549                         dropNodeType = dropNode.fqn();
 550                         show_templates = false;
 551
 552
 553                     } else {
 554
 555                         dropNode.setFqn(selection_text);
 556                     }
 557
 558
 559                     // dropList --- need to gather this ...
 560                     print("get dropList for : %s\n",dropNodeType);
 561                     var dropList = _this.model.file.palete().getDropList(dropNodeType);
 562
 563                     print("dropList: %s\n", string.joinv(" , ", dropList));
 564
 565                     // if drag action is link ... then we can drop it anywahere...
 566                      if ((ctx.get_actions() & Gdk.DragAction.LINK) > 0) {
 567                          // if path is null?? dragging into an empty tree?
 568                          targetData = (path == null ? "" :  path.to_string()) + "|%d".printf((int)pos);
 569                      } else {
 570
 571
 572                         targetData = _this.model.findDropNodeByPath( isEmpty ? "" : path.to_string(), dropList, pos);
 573                      }
 574
 575
 576
 577                     print("targetDAta: " + targetData +"\n");
 578
 579                     if (targetData.length < 1) {
 580
 581                         // invalid drop path..
 582                         if (this.drag_in_motion) {
 583                             Gdk.drag_status(ctx, 0, time);
 584                             this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 585                             return;
 586                         }
 587                         Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 588                         // no drop action...
 589                         return;
 590                     }
 591                     // valid drop path..
 592
 593                       var td_ar = targetData.split("|");
 594
 595
 596                     if (this.drag_in_motion) {
 597                         Gdk.drag_status(ctx, Gdk.DragAction.COPY ,time);
 598
 599                         this.highlightDropPath(  td_ar[0]  , (Gtk.TreeViewDropPosition)int.parse(td_ar[1]));
 600                         return;
 601                     }
 602                     // continue on to allow drop..
 603
 604
 605                     // at this point, drag is not in motion... -- as checked above... - so it's a real drop event..
 606
 607
 608                     _this.model.dropNode(targetData, dropNode, show_templates);
 609                     print("ADD new node!!!\n");
 610
 611                     ///Xcls_DialogTemplateSelect.singleton().show( _this.model.file.palete(), node);
 612
 613                     Gtk.drag_finish (ctx, false, false,time);
 614
 615
 616
 617
 618
 619             });
 620             this.el.drag_drop.connect( (  ctx, x, y, time)  => {
 621                   //Seed.print("TARGET: drag-drop");
 622
 623
 624                 var src = Gtk.drag_get_source_widget(ctx);
 625
 626                if (src != this.el) {
 627
 628
 629
 630                    this.drag_in_motion = false;
 631                         // request data that will be recieved by the recieve...
 632                     Gtk.drag_get_data
 633                     (
 634                             this.el,         // will receive 'drag-data-received' signal
 635                             ctx,        // represents the current state of the DnD
 636                             Gdk.Atom.intern("application/json",true),    // the target type we want
 637                             time            // time stamp
 638                     );
 639
 640
 641                     // No target offered by source => error
 642
 643
 644                      return  false;
 645                  }
 646
 647                  // handle drop around self..
 648
 649
 650
 651                 //print("GETTING POS");
 652                 var  targetData = "";
 653
 654                 Gtk.TreePath path;
 655                 Gtk.TreeViewDropPosition pos;
 656                 var isOver = _this.view.el.get_dest_row_at_pos(this.drag_x,this.drag_y, out path, out pos);
 657
 658                 // if there are not items in the tree.. the we have to set isOver to true for anything..
 659                 var isEmpty = false;
 660                 if (_this.model.el.iter_n_children(null) < 1) {
 661                     print("got NO children?\n");
 662                     isOver = true; //???
 663                     isEmpty = true;
 664                     pos = Gtk.TreeViewDropPosition.INTO_OR_AFTER;
 665                 }
 666
 667
 668
 669                 //var action = Gdk.DragAction.COPY;
 670                     // unless we are copying!!! ctl button..
 671
 672                 var action = (ctx.get_actions() & Gdk.DragAction.MOVE) > 0 ?
 673                              Gdk.DragAction.COPY  : Gdk.DragAction.MOVE ;
 674                             // Gdk.DragAction.MOVE : Gdk.DragAction.COPY ;
 675
 676
 677                 if (_this.model.el.iter_n_children(null) < 1) {
 678                     // no children.. -- asume it's ok..
 679
 680                     targetData = "|%d|".printf((int)Gtk.TreeViewDropPosition.INTO_OR_AFTER);
 681
 682                     // continue through to allow drop...
 683
 684                 } else {
 685
 686
 687
 688
 689
 690                             //print("ISOVER? " + isOver);
 691                     if (!isOver) {
 692
 693                         Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 694                         return true; // not over apoint!?! - no action on drop or motion..
 695                     }
 696
 697                     // drag node is parent of child..
 698                     //console.log("SRC TREEPATH: " + src.treepath);
 699                     //console.log("TARGET TREEPATH: " + data.path.to_string());
 700
 701                     // nned to check a  few here..
 702                     //Gtk.TreeViewDropPosition.INTO_OR_AFTER
 703                     //Gtk.TreeViewDropPosition.INTO_OR_BEFORE
 704                     //Gtk.TreeViewDropPosition.AFTER
 705                     //Gtk.TreeViewDropPosition.BEFORE
 706
 707                     // locally dragged items to not really use the
 708                     var selection_text = this.dragData;
 709
 710
 711
 712                     if (selection_text == null || selection_text.length < 1) {
 713                         //print("Error  - drag selection text returned NULL");
 714
 715                          Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 716                          return true; /// -- fixme -- this is not really correct..
 717                     }
 718
 719                             // see if we are dragging into ourself?
 720                             print ("got selection text of  " + selection_text);
 721
 722                     var target_path = path.to_string();
 723                     //print("target_path="+target_path);
 724
 725                     //
 726                     if (selection_text  == target_path) {
 727                         print("self drag ?? == we should perhaps allow copy onto self..\n");
 728
 729                          Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 730
 731                          return true; /// -- fixme -- this is not really correct..
 732
 733                     }
 734
 735                     // check that
 736                     //print("DUMPING DATA");
 737                     //console.dump(data);
 738                     // path, pos
 739
 740                     //print(data.path.to_string() +' => '+  data.pos);
 741
 742                     // dropList is a list of xtypes that this node could be dropped on.
 743                     // it is set up when we start to drag..
 744
 745
 746                     targetData = _this.model.findDropNodeByPath( path.to_string(), this.dropList, pos);
 747
 748                     print("targetDAta: " + targetData +"\n");
 749
 750                     if (targetData.length < 1) {
 751                         //print("Can not find drop node path");
 752
 753                         Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 754                         return true;
 755                     }
 756
 757                     var td_ar = targetData.split("|");
 758
 759
 760
 761                             // continue on to allow drop..
 762               }
 763                     // at this point, drag is not in motion... -- as checked above... - so it's a real drop event..
 764
 765
 766                  var delete_selection_data = false;
 767
 768                 if (action == Gdk.DragAction.ASK)  {
 769                     /* Ask the user to move or copy, then set the ctx action. */
 770                 }
 771
 772                 if (action == Gdk.DragAction.MOVE) {
 773                     delete_selection_data = true;
 774                 }
 775
 776                             // drag around.. - reorder..
 777                 _this.model.moveNode(targetData, action);
 778
 779
 780
 781
 782
 783                     // we can send stuff to souce here...
 784
 785
 786             // do we always say failure, so we handle the reall drop?
 787                 Gtk.drag_finish (ctx, false, false,time); //delete_selection_data, time);
 788
 789                 return true;
 790
 791
 792
 793
 794
 795
 796             });
 797         }
 798
 799         // user defined functions
 800         public           void highlightDropPath ( string treepath, Gtk.TreeViewDropPosition pos) {
 801
 802                 // highlighting for drag/drop
 803                 if (treepath.length > 0) {
 804                     this.el.set_drag_dest_row(  new  Gtk.TreePath.from_string( treepath ), pos);
 805                   } else {
 806                     this.el.set_drag_dest_row(null, Gtk.TreeViewDropPosition.INTO_OR_AFTER);
 807                  }
 808
 809         }
 810         public           void selectNode (string treepath_str) {
 811             //this.selection.select_path(new  Gtk.TreePath.from_string( treepath_str));
 812              var tp = new Gtk.TreePath.from_string(treepath_str);
 813
 814              this.el.set_cursor(tp, null, false);
 815              this.el.scroll_to_cell(tp, null, false, 0,0);
 816         }
 817     }
 818     public class Xcls_model : Object
 819     {
 820         public Gtk.TreeStore el;
 821         private Xcls_WindowLeftTree  _this;
 822
 823
 824             // my vars (def)
 825         public DialogTemplateSelect template_select;
 826         public JsRender.JsRender? file;
 827         public string activePath;
 828         public Project.Project? project;
 829
 830         // ctor
 831         public Xcls_model(Xcls_WindowLeftTree _owner )
 832         {
 833             _this = _owner;
 834             _this.model = this;
 835             this.el = new Gtk.TreeStore( 3, typeof(string),typeof(string),typeof(Object) );
 836
 837             // my vars (dec)
 838             this.template_select = null;
 839             this.file = null;
 840             this.activePath = "";
 841             this.project = null;
 842
 843             // set gobject values
 844
 845             // init method
 846
 847             print("model initialized");
 848         }
 849
 850         // user defined functions
 851         public           string findDropNode (string treepath_str, string[] targets) {
 852
 853             // this is used by the dragdrop code in the roo version AFAIR..
 854
 855             //var path = treepath_str.replace(/^builder-/, '');
 856             // treemap is depreciated... - should really check if model has any entries..
 857
 858             if (this.el.iter_n_children(null) < 1) {
 859                 //print("NO KEYS");
 860                 return "|%d".printf((int)Gtk.TreeViewDropPosition.INTO_OR_AFTER);
 861             }
 862             //print("FIND treepath: " + path);
 863             //console.dump(this.treemap);
 864
 865             //if (!treepath_str.match(/^builder-/)) {
 866             //    return []; // nothing!
 867             //}
 868             if (targets.length > 0 && targets[0] == "*") {
 869                 return  treepath_str;
 870             }
 871             return this.findDropNodeByPath(treepath_str,targets, -1);
 872         }
 873         public           void loadFile (JsRender.JsRender f) {
 874             //console.dump(f);
 875             this.el.clear();
 876             this.file = f;
 877
 878
 879         //    if (!f) {
 880         //        console.log('missing file');
 881         //        return;
 882         //    }
 883
 884             // load the file if not loaded..
 885             if (f.tree == null) {
 886                 f.loadItems( );
 887             }
 888             // if it's still null?
 889             if (f.tree == null) {
 890                 return;
 891             }
 892
 893             /// this.get('/Window').setTitle(f.project.getName() + ' - ' + f.name);
 894
 895             //if (f.items.length && typeof(f.items[0]) == 'string') {
 896
 897                 //this.get('/RightEditor').el.show();
 898                 //this.get('/RightEditor.view').load( f.items[0]);
 899             //    return;
 900             //}
 901             //print("LOAD");
 902             //print(JSON.stringify(f.items, null,4));
 903             //console.dump(f.items);
 904             var o = new Gee.ArrayList<JsRender.Node>();
 905             o.add(f.tree);
 906             this.load(o,null);
 907
 908             _this.view.el.expand_all();
 909
 910             if (f.tree.items.size < 1) {
 911                 // single item..
 912
 913                 //this.get('/Window.leftvpaned').el.set_position(80);
 914                 // select first...
 915                 _this.view.el.set_cursor(
 916                     new  Gtk.TreePath.from_string("0"), null, false);
 917
 918
 919             } else {
 920                   //this.get('/Window.leftvpaned').el.set_position(200);
 921             }
 922
 923             return;
 924             /*
 925
 926             //print("hide right editior");
 927             //this.get('/RightEditor').el.hide();
 928             //this.get('/Editor').el.hide();
 929             //print("set current tree");
 930             //this.currentTree = this.toJS(false, false)[0];
 931             //console.dump(this.currentTree);
 932             //this.currentTree = this.currentTree || { items: [] };
 933             //_this.renderView();
 934             //console.dump(this.map);
 935             //var RightPalete     = imports.Builder.RightPalete.RightPalete;
 936
 937
 938             var pm = this.get('/RightPalete.model');
 939             // set up provider..
 940
 941             this.get('/RightPalete').provider = this.get('/LeftTree').getPaleteProvider();
 942
 943             if (!this.get('/RightPalete').provider) {
 944                 print ("********* PALETE PROVIDER MISSING?!!");
 945             }
 946             this.get('/LeftTree').renderView();
 947
 948             pm.load( this.get('/LeftTree').getPaleteProvider().gatherList(this.listAllTypes()));
 949
 950
 951
 952             this.get('/Window.view-notebook').el.set_current_page(
 953                 this.get('/LeftTree.model').file.getType()== 'Roo' ? 0 : -1);
 954                 */
 955
 956         }
 957         public    void updateSelected () {
 958
 959
 960             var s = _this.view.el.get_selection();
 961
 962              Gtk.TreeIter iter;
 963             Gtk.TreeModel mod;
 964
 965
 966
 967             if (!s.get_selected(out mod, out iter)) {
 968                 return; // nothing seleted..
 969             }
 970
 971           GLib.Value value;
 972             this.el.get_value(iter, 2, out value);
 973             var node = (JsRender.Node)(value.get_object());
 974
 975               this.el.set(iter, 0, node.nodeTitle(),
 976                         1, node.nodeTip(), -1
 977                 );
 978         }
 979         public           string findDropNodeByPath (string treepath_str, string[] targets, int in_pref = -1) {
 980
 981             var path = treepath_str; // dupe it..
 982
 983
 984             // pref : 3 = ontop - 0 = after, 1 = before
 985             int pref = in_pref < 0  ?  Gtk.TreeViewDropPosition.INTO_OR_AFTER : in_pref;
 986
 987             var last = "";
 988
 989             //console.dump(this.treemap);
 990
 991             print("findDropNodeByPath : got path length %d / %s\n", path.length, path);
 992
 993             if (path.length == 0) {
 994                 // top drop. // just return empty..
 995                 return "|%d".printf((int)pref) ;
 996
 997             }
 998
 999
1000             while (path.length > 0) {
1001
1002                 if (path.length == treepath_str.length && pref != Gtk.TreeViewDropPosition.INTO_OR_AFTER) {
1003                     if (path.last_index_of(":") < 0 ) {
1004                         return "";
1005                     }
1006                     path = path.substring(0, path.last_index_of(":"));
1007                     last = treepath_str;
1008                     print("DROP  before or after : using %s\n",path);
1009                     continue;
1010                 }
1011
1012                 //print("LOOKING FOR PATH: " + path);
1013                 var node_data = this.pathToNode(path);
1014
1015                 if (node_data == null) {
1016                     print("node not found");
1017                     return "";
1018                 }
1019
1020                 var xname = node_data.fqn();
1021                 var match = "";
1022                 var prop = "";
1023
1024                 for (var i =0; i < targets.length; i++)  {
1025                     var tg = targets[i];
1026                     if ((tg == xname)  ) {
1027                         match = tg;
1028                         break;
1029                     }
1030                     // if target is "xxxx:name"
1031                     if (tg.contains(xname +":")) {
1032                         match = tg;
1033                         var ar = tg.split(":");
1034                         prop = ar[1];
1035                         break;
1036                     }
1037                 }
1038
1039                 if (match.length > 0) {
1040                     if (last.length > 0) { // pref is after/before..
1041                         // then it's after last
1042                         //if (pref > 1) {
1043                         //    return "";
1044                         //}
1045                         return last + "|%d".printf((int)pref) + "|" + prop;
1046
1047
1048                     }
1049                     // we need to add prop - as :store -> needs to bee added when dropping onto.
1050                     return path + "|%d".printf( (int) Gtk.TreeViewDropPosition.INTO_OR_AFTER)  + "|" + prop;
1051                 }
1052                 /*
1053                 last = "" + path;
1054                 var par = path.split(":");
1055                 string [] ppar = {};
1056                 for (var i = 0; i < par.length-1; i++) {
1057                     ppar += par[i];
1058                 }
1059
1060                 path = string.joinv(":", ppar);
1061                 */
1062                 break;
1063
1064             }
1065
1066             return "";
1067
1068         }
1069         public           void moveNode (string target_data, Gdk.DragAction action)
1070         {
1071
1072            /// target_data = "path|pos");
1073
1074
1075             //print("MOVE NODE");
1076             // console.dump(target_data);
1077             Gtk.TreeIter old_iter;
1078             Gtk.TreeModel mod;
1079
1080             var s = _this.view.el.get_selection();
1081             s.get_selected(out mod , out old_iter);
1082             mod.get_path(old_iter);
1083
1084             var node = this.pathToNode(mod.get_path(old_iter).to_string());
1085             //console.dump(node);
1086             if (node == null) {
1087                 print("moveNode: ERROR - node is null?");
1088             }
1089
1090
1091
1092             // needs to drop first, otherwise the target_data
1093             // treepath will be invalid.
1094
1095
1096             if ((action & Gdk.DragAction.MOVE) > 0) {
1097                     print("REMOVING OLD NODE : " + target_data + "\n");
1098                     node.remove();
1099                     this.dropNode(target_data, node, false);
1100                     this.el.remove(ref old_iter);
1101
1102
1103
1104             } else {
1105                 print("DROPPING NODE // copy: " + target_data + "\n");
1106                 node = node.deepClone();
1107                 this.dropNode(target_data, node, false);
1108             }
1109             _this.changed();
1110             this.activePath= "";
1111             //this.updateNode(false,true);
1112         }
1113         public           void load (Gee.ArrayList<JsRender.Node> tr, Gtk.TreeIter? iter)
1114         {
1115             Gtk.TreeIter citer;
1116             //this.insert(citer,iter,0);
1117             for(var i =0 ; i < tr.size; i++) {
1118                 if (iter != null) {
1119                     this.el.insert(out citer,iter,-1); // why not append?
1120                 } else {
1121                     this.el.append(out citer,null);
1122                 }
1123
1124                 this.el.set(citer, 0, tr.get(i).nodeTitle(),
1125                         1, tr.get(i).nodeTip(), -1
1126                 );
1127                 var o = new GLib.Value(typeof(Object));
1128                 o.set_object((Object)tr.get(i));
1129
1130                 this.el.set_value(citer, 2, o);
1131
1132                 if (tr.get(i).items.size > 0) {
1133                     this.load(tr.get(i).items, citer);
1134                 }
1135
1136             }
1137
1138
1139         }
1140         public           void deleteSelected () {
1141
1142             print("DELETE SELECTED?");
1143             //_this.view.blockChanges = true;
1144             print("GET SELECTION?");
1145
1146             var s = _this.view.el.get_selection();
1147
1148             print("GET  SELECTED?");
1149            Gtk.TreeIter iter;
1150             Gtk.TreeModel mod;
1151
1152
1153             if (!s.get_selected(out mod, out iter)) {
1154                 return; // nothing seleted..
1155             }
1156
1157
1158
1159             this.activePath= "";
1160             print("GET  vnode value?");
1161
1162             GLib.Value value;
1163             this.el.get_value(iter, 2, out value);
1164             var data = (JsRender.Node)(value.get_object());
1165             print("removing node from Render\n");
1166             if (data.parent == null) {
1167                 this.file.tree = null;
1168             } else {
1169                 data.remove();
1170             }
1171             print("removing node from Tree\n");
1172             s.unselect_all();
1173             this.el.remove(ref iter);
1174
1175
1176
1177
1178             //
1179
1180
1181
1182
1183             this.activePath= ""; // again!?!?
1184             //this.changed(null,true);
1185
1186             _this.changed();
1187
1188             _this.view.blockChanges = false;
1189         }
1190         public           JsRender.Node pathToNode (string path) {
1191
1192
1193              Gtk.TreeIter   iter;
1194              _this.model.el.get_iter_from_string(out iter, path);
1195
1196              GLib.Value value;
1197              _this.model.el.get_value(iter, 2, out value);
1198
1199              return (JsRender.Node)value.dup_object();
1200
1201         }
1202         public           void dropNode (string target_data_str, JsRender.Node node, bool show_templates) {
1203         //         print("drop Node");
1204              // console.dump(node);
1205           //    console.dump(target_data);
1206
1207
1208                 // 0 = before , 1=after 2/3 onto
1209
1210
1211                 var target_data= target_data_str.split("|");
1212
1213                 var parent_str = target_data[0].length > 0 ? target_data[0] : "";
1214                 var pos = target_data.length > 1 ? int.parse(target_data[1]) : 2; // ontop..
1215
1216
1217                 Gtk.TreePath tree_path  =   parent_str.length > 0 ? new  Gtk.TreePath.from_string( parent_str ) : null;
1218
1219
1220
1221                 //print("add " + tp + "@" + target_data[1]  );
1222
1223                 JsRender.Node parentNode = null;
1224
1225                 Gtk.TreeIter iter_after;
1226                 Gtk.TreeIter iter_par ;
1227
1228
1229                  if (target_data.length == 3 && target_data[2].length > 0) {
1230                     node.props.set("* prop", target_data[2]);
1231                 }
1232
1233                 Gtk.TreePath expand_parent = null;
1234
1235                 // we only need to show the template if it's come from else where?
1236                  if (show_templates) {
1237
1238                     if (this.template_select == null) {
1239                         this.template_select = new DialogTemplateSelect();
1240                      }
1241
1242                      var new_node = this.template_select.show(
1243                           (Gtk.Window) _this.el.get_toplevel (),
1244                               this.file.palete(),
1245                            node);
1246
1247                      if (new_node == null) {
1248                          return; // do not add?
1249                      }
1250                      node = new_node;
1251                 }
1252
1253                  //print("pos is %d  \n".printf(pos));
1254
1255                  Gtk.TreeIter n_iter;
1256
1257                  if ( parent_str.length < 1) {
1258                       this.el.append(out n_iter, null); // drop at top level..
1259                       node.parent = null;
1260                       this.file.tree = node;
1261
1262
1263                 } else   if (pos  < 2) {
1264                     //print(target_data[1]  > 0 ? 'insert_after' : 'insert_before');
1265
1266                     this.el.get_iter(out iter_after, tree_path );
1267                     this.el.iter_parent(out iter_par, iter_after);
1268                     expand_parent = this.el.get_path(iter_par);
1269
1270                     GLib.Value value;
1271                     this.el.get_value( iter_par, 2, out value);
1272                     parentNode =  (JsRender.Node)value.dup_object();
1273
1274
1275                     this.el.get_value( iter_after, 2, out value);
1276                     var relNode =  (JsRender.Node)value.dup_object();
1277
1278                     if ( pos  > 0 ) {
1279
1280                         this.el.insert_after(out n_iter,    iter_par  , iter_after);
1281                         var ix = parentNode.items.index_of(relNode);
1282                         parentNode.items.insert(ix+1, node);
1283
1284                     } else {
1285                         this.el.insert_before(out n_iter,  iter_par  , iter_after);
1286                         var ix = parentNode.items.index_of(relNode);
1287                         parentNode.items.insert(ix, node);
1288
1289                     }
1290                     node.parent = parentNode;
1291
1292
1293
1294                 } else {
1295                    //  print("appending to  " + parent_str);
1296                     this.el.get_iter(out iter_par, tree_path);
1297                     this.el.append(out n_iter,   iter_par );
1298                     expand_parent = this.el.get_path(iter_par);
1299
1300                     GLib.Value value;
1301                     this.el.get_value( iter_par, 2, out value);
1302                     parentNode =  (JsRender.Node)value.dup_object();
1303                     node.parent = parentNode;
1304                     parentNode.items.add(node);
1305                 }
1306
1307                 // reparent node in tree...
1308
1309
1310                 // why only on no parent???
1311
1312                 //if (node.parent = null) {
1313
1314
1315
1316                 //}
1317
1318
1319                 // work out what kind of packing to use.. -- should be in
1320                 if (!node.has("pack")   && parent_str.length > 1) {
1321
1322                     this.file.palete().fillPack(node,parentNode);
1323
1324
1325                 }
1326
1327                 // add the node...
1328
1329                 this.el.set(n_iter, 0, node.nodeTitle(), 1, node.nodeTip(), -1  );
1330                 var o = new GLib.Value(typeof(Object));
1331                 o.set_object((Object)node);
1332
1333                 this.el.set_value(n_iter, 2, o);
1334
1335
1336
1337
1338         // load children - if it has any..
1339
1340                 if (node.items.size > 0) {
1341                     this.load(node.items, n_iter);
1342                     _this.view.el.expand_row(this.el.get_path(n_iter), true);
1343                 } else if (expand_parent != null && !_this.view.el.is_row_expanded(expand_parent)) {
1344                    _this.view.el.expand_row(expand_parent,true);
1345                 }
1346
1347                 //if (tp != null && (node.items.length() > 0 || pos > 1)) {
1348                 //    _this.view.el.expand_row(this.el.get_path(iter_par), true);
1349                // }
1350                 // wee need to get the empty proptypes from somewhere..
1351
1352                 //var olditer = this.activeIter;
1353                 this.activePath = this.el.get_path(n_iter).to_string();
1354
1355
1356
1357
1358                 _this.view.el.set_cursor(this.el.get_path(n_iter), null, false);
1359                 _this.changed();
1360
1361
1362
1363         }
1364     }
1365     public class Xcls_TreeViewColumn4 : Object
1366     {
1367         public Gtk.TreeViewColumn el;
1368         private Xcls_WindowLeftTree  _this;
1369
1370
1371             // my vars (def)
1372
1373         // ctor
1374         public Xcls_TreeViewColumn4(Xcls_WindowLeftTree _owner )
1375         {
1376             _this = _owner;
1377             this.el = new Gtk.TreeViewColumn();
1378
1379             // my vars (dec)
1380
1381             // set gobject values
1382             this.el.title = "test";
1383             var child_0 = new Xcls_renderer( _this );
1384             child_0.ref();
1385             this.el.pack_start (  child_0.el , true );
1386
1387             // init method
1388
1389             this.el.add_attribute(_this.renderer.el , "markup", 0 );
1390         }
1391
1392         // user defined functions
1393     }
1394     public class Xcls_renderer : Object
1395     {
1396         public Gtk.CellRendererText el;
1397         private Xcls_WindowLeftTree  _this;
1398
1399
1400             // my vars (def)
1401
1402         // ctor
1403         public Xcls_renderer(Xcls_WindowLeftTree _owner )
1404         {
1405             _this = _owner;
1406             _this.renderer = this;
1407             this.el = new Gtk.CellRendererText();
1408
1409             // my vars (dec)
1410
1411             // set gobject values
1412         }
1413
1414         // user defined functions
1415     }
1416     public class Xcls_LeftTreeMenu : Object
1417     {
1418         public Gtk.Menu el;
1419         private Xcls_WindowLeftTree  _this;
1420
1421
1422             // my vars (def)
1423
1424         // ctor
1425         public Xcls_LeftTreeMenu(Xcls_WindowLeftTree _owner )
1426         {
1427             _this = _owner;
1428             _this.LeftTreeMenu = this;
1429             this.el = new Gtk.Menu();
1430
1431             // my vars (dec)
1432
1433             // set gobject values
1434             var child_0 = new Xcls_MenuItem7( _this );
1435             child_0.ref();
1436             this.el.add (  child_0.el  );
1437             var child_1 = new Xcls_MenuItem8( _this );
1438             child_1.ref();
1439             this.el.add (  child_1.el  );
1440             var child_2 = new Xcls_MenuItem9( _this );
1441             child_2.ref();
1442             this.el.add (  child_2.el  );
1443         }
1444
1445         // user defined functions
1446     }
1447     public class Xcls_MenuItem7 : Object
1448     {
1449         public Gtk.MenuItem el;
1450         private Xcls_WindowLeftTree  _this;
1451
1452
1453             // my vars (def)
1454
1455         // ctor
1456         public Xcls_MenuItem7(Xcls_WindowLeftTree _owner )
1457         {
1458             _this = _owner;
1459             this.el = new Gtk.MenuItem();
1460
1461             // my vars (dec)
1462
1463             // set gobject values
1464             this.el.label = "Delete Element";
1465
1466             // listeners
1467             this.el.activate.connect( ( ) => {
1468
1469                 print("ACTIVATE?");
1470
1471
1472                  _this.model.deleteSelected();
1473             });
1474         }
1475
1476         // user defined functions
1477     }
1478     public class Xcls_MenuItem8 : Object
1479     {
1480         public Gtk.MenuItem el;
1481         private Xcls_WindowLeftTree  _this;
1482
1483
1484             // my vars (def)
1485
1486         // ctor
1487         public Xcls_MenuItem8(Xcls_WindowLeftTree _owner )
1488         {
1489             _this = _owner;
1490             this.el = new Gtk.MenuItem();
1491
1492             // my vars (dec)
1493
1494             // set gobject values
1495             this.el.label = "Save as Template";
1496
1497             // listeners
1498             this.el.activate.connect( () => {
1499
1500                  DialogSaveTemplate.singleton().show(
1501                         (Gtk.Window) _this.el.get_toplevel (),
1502                         _this.model.file.palete(),
1503                         _this.getActiveElement()
1504                 );
1505
1506
1507             });
1508         }
1509
1510         // user defined functions
1511     }
1512     public class Xcls_MenuItem9 : Object
1513     {
1514         public Gtk.MenuItem el;
1515         private Xcls_WindowLeftTree  _this;
1516
1517
1518             // my vars (def)
1519
1520         // ctor
1521         public Xcls_MenuItem9(Xcls_WindowLeftTree _owner )
1522         {
1523             _this = _owner;
1524             this.el = new Gtk.MenuItem();
1525
1526             // my vars (dec)
1527
1528             // set gobject values
1529             this.el.label = "Save as Module";
1530
1531             // listeners
1532             this.el.activate.connect( () => {
1533                 var node = _this.getActiveElement();
1534                  var name = DialogSaveModule.singleton().show(
1535                         (Gtk.Window) _this.el.get_toplevel (),
1536                         _this.model.file.project,
1537                         node
1538                  );
1539                  if (name.length < 1) {
1540                         return;
1541
1542                  }
1543                  node.props.set("* xinclude", name);
1544                  node.items.clear();
1545
1546
1547                 var s = _this.view.el.get_selection();
1548
1549                 print("GET  SELECTED?");
1550                 Gtk.TreeIter iter;
1551                 Gtk.TreeModel mod;
1552
1553
1554                 if (!s.get_selected(out mod, out iter)) {
1555                     return; // nothing seleted..
1556                 }
1557                 Gtk.TreeIter citer;
1558                 var n_cn = mod.iter_n_children(iter) -1;
1559                 for (var i = n_cn; i > -1; i--) {
1560                     mod.iter_nth_child(out citer, iter, i);
1561
1562
1563                     print("removing node from Tree\n");
1564
1565                     _this.model.el.remove(ref citer);
1566                 }
1567                 _this.changed();
1568                 _this.node_selected(node);
1569
1570
1571             });
1572         }
1573
1574         // user defined functions
1575     }
1576 }