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 string[] dropList;
  81         public int drag_x;
  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.cursor_changed.connect( ( ) => {
 178
 179
 180                  if (this.blockChanges) { // probably not needed..
 181                    return  ;
 182                  }
 183                   if (!_this.before_node_change(null) ) {
 184                      this.blockChanges = true;
 185                      this.el.get_selection().unselect_all();
 186                      this.blockChanges = false;
 187                      return;
 188                  }
 189                  if (_this.model.file == null) {
 190                      return;
 191                  }
 192
 193                  //var render = this.get('/LeftTree').getRenderer();
 194                 print("LEFT TREE -> view -> selection changed called\n");
 195
 196
 197                 // -- it appears that the selection is not updated.
 198
 199                 GLib.Timeout.add_full(GLib.Priority.DEFAULT,10 , () => {
 200
 201
 202                         if (this.el.get_selection().count_selected_rows() < 1) {
 203
 204                             print("selected rows < 1\n");
 205                             //??this.model.load( false);
 206                             _this.node_selected(null);
 207
 208                             return false ;
 209                         }
 210
 211                             //console.log('changed');
 212                         var s = this.el.get_selection();
 213                          Gtk.TreeIter iter;
 214                          Gtk.TreeModel mod;
 215                         s.get_selected(out mod, out iter);
 216
 217
 218                         // var val = "";
 219                         GLib.Value value;
 220                         _this.model.el.get_value(iter, 2, out value);
 221                         _this.model.activePath = mod.get_path(iter).to_string();
 222
 223                         var node = (JsRender.Node)value.dup_object();
 224                         _this.node_selected(node);
 225                         while (Gtk.events_pending()) {
 226                             Gtk.main_iteration();
 227                         }
 228                         this.el.scroll_to_cell(new Gtk.TreePath.from_string(_this.model.activePath), null, true, 0.1f,0.0f);
 229
 230                         return false;
 231                   });
 232                 //_this.after_node_change(node);
 233
 234             //        _this.model.file.changed(node, "tree");
 235
 236                 //Seed.print( value.get_string());
 237                 return  ;
 238
 239             });
 240             this.el.drag_begin.connect( ( ctx)  => {
 241                 //print('SOURCE: drag-begin');
 242
 243
 244                     //this.targetData = "";
 245
 246                     // find what is selected in our tree...
 247
 248                     var s = _this.view.el.get_selection();
 249                     if (s.count_selected_rows() < 1) {
 250                         return;
 251                     }
 252                     Gtk.TreeIter iter;
 253                     Gtk.TreeModel mod;
 254                     s.get_selected(out mod, out iter);
 255
 256
 257
 258                     // set some properties of the tree for use by the dropped element.
 259                     GLib.Value value;
 260                     _this.model.el.get_value(iter, 2, out value);
 261                     var tp = mod.get_path(iter).to_string();
 262                     var data = (JsRender.Node)(value.dup_object());
 263                     var xname = data.fqn();
 264                     print ("XNAME  IS " + xname+ "\n");
 265                     this.dragData = tp;
 266                     this.dropList = _this.model.file.palete().getDropList(xname);
 267
 268                     print ("DROP LIST IS " + string.joinv(", ", this.dropList) + "\n");
 269
 270
 271                     // make the drag icon a picture of the node that was selected
 272
 273
 274                 // by default returns the path..
 275                    var path = _this.model.el.get_path(iter);
 276
 277
 278                     var pix = this.el.create_row_drag_icon ( path);
 279
 280                     Gtk.drag_set_icon_surface (ctx, pix) ;
 281
 282                     return;
 283             });
 284             this.el.drag_end.connect( (drag_context) => {
 285                 //Seed.print('LEFT-TREE: drag-end');
 286                     this.dragData = "";
 287                     this.dropList = null;
 288             //        this.targetData = "";
 289                     this.highlightDropPath("",0);
 290             //        return true;
 291             });
 292             this.el.drag_motion.connect( ( ctx, x, y, time)  => {
 293                print("got drag motion\n");
 294                 var src = Gtk.drag_get_source_widget(ctx);
 295                this.drag_x = x;
 296                this.drag_y = y;
 297
 298                if (src != this.el) {
 299
 300
 301
 302                 // the point of this is to detect where an item could be dropped..
 303                     print("requesting drag data\n");
 304                    this.drag_in_motion = true;
 305
 306                         // request data that will be recieved by the recieve...
 307                     Gtk.drag_get_data
 308                     (
 309                             this.el,         // will receive 'drag-data-received' signal
 310                             ctx,        // represents the current state of the DnD
 311                             Gdk.Atom.intern("STRING",true),    // the target type we want
 312                             time            // time stamp
 313                     );
 314                     return true;
 315               }
 316
 317
 318               print("action: %d\n", ctx.get_actions());
 319              //print("GETTING POS");
 320                 var  targetData = "";
 321
 322                 Gtk.TreePath path;
 323                 Gtk.TreeViewDropPosition pos;
 324                 var isOver = _this.view.el.get_dest_row_at_pos(this.drag_x,this.drag_y, out path, out pos);
 325
 326                 // if there are not items in the tree.. the we have to set isOver to true for anything..
 327                 var isEmpty = false;
 328                 if (_this.model.el.iter_n_children(null) < 1) {
 329                     print("got NO children?\n");
 330                     isOver = true; //???
 331                     isEmpty = true;
 332                     pos = Gtk.TreeViewDropPosition.INTO_OR_AFTER;
 333                 }
 334
 335
 336                 // ------------- a drag from self..
 337
 338
 339                 //var action = Gdk.DragAction.COPY;
 340                     // unless we are copying!!! ctl button..
 341
 342                 var action = (ctx.get_actions() & Gdk.DragAction.MOVE) > 0 ?
 343                              Gdk.DragAction.COPY  : Gdk.DragAction.MOVE ;
 344                             // Gdk.DragAction.MOVE : Gdk.DragAction.COPY ;
 345
 346
 347                 if (_this.model.el.iter_n_children(null) < 1) {
 348                     // no children.. -- asume it's ok..
 349
 350                     targetData = "|%d|".printf((int)Gtk.TreeViewDropPosition.INTO_OR_AFTER);
 351
 352                     this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 353                     Gdk.drag_status(ctx, action ,time);
 354                     return true;
 355
 356                     // continue through to allow drop...
 357
 358                 }
 359
 360
 361
 362
 363
 364                 //print("ISOVER? " + isOver);
 365                 if (!isOver) {
 366
 367                     Gdk.drag_status(ctx, 0 ,time);
 368                      this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 369                      return false;
 370
 371                 }
 372
 373                 // drag node is parent of child..
 374                 //console.log("SRC TREEPATH: " + src.treepath);
 375                 //console.log("TARGET TREEPATH: " + data.path.to_string());
 376
 377                 // nned to check a  few here..
 378                 //Gtk.TreeViewDropPosition.INTO_OR_AFTER
 379                 //Gtk.TreeViewDropPosition.INTO_OR_BEFORE
 380                 //Gtk.TreeViewDropPosition.AFTER
 381                 //Gtk.TreeViewDropPosition.BEFORE
 382
 383                 // locally dragged items to not really use the
 384                 var selection_text = this.dragData;
 385
 386
 387
 388                 if (selection_text == null || selection_text.length < 1) {
 389                             //print("Error  - drag selection text returned NULL");
 390                          Gdk.drag_status(ctx, 0 ,time);
 391                         this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 392                          return false;
 393                  }
 394
 395
 396                         // see if we are dragging into ourself?
 397                 var target_path = path.to_string();
 398                 print ("Drag  %s onto %s--%d\n ", selection_text, target_path, pos);
 399
 400                 // pos : 3 = ontop - 0 = after, 1 = before
 401                 //print("target_path="+target_path);
 402
 403                 //
 404                 if (selection_text  == target_path) {
 405                     print("self drag ?? == we should perhaps allow copy onto self..\n");
 406
 407                      Gdk.drag_status(ctx, 0 ,time);
 408                       this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 409                       return false;
 410             //                 -- fixme -- this is not really correct..
 411
 412                 }
 413
 414                 // check that
 415                 //print("DUMPING DATA");
 416                 //console.dump(data);
 417                 // path, pos
 418
 419                 //print(data.path.to_string() +' => '+  data.pos);
 420
 421                 // dropList is a list of xtypes that this node could be dropped on.
 422                 // it is set up when we start to drag..
 423
 424
 425                 targetData = _this.model.findDropNodeByPath( path.to_string(), this.dropList, pos);
 426
 427                 print("targetDAta: " + targetData +"\n");
 428
 429                 if (targetData.length < 1) {
 430                     //print("Can not find drop node path");
 431
 432                     Gdk.drag_status(ctx, 0, time);
 433                     this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 434                     return false;
 435                 }
 436
 437                 var td_ar = targetData.split("|");
 438
 439
 440
 441                 Gdk.drag_status(ctx, action ,time);
 442                 this.highlightDropPath(td_ar[0], (Gtk.TreeViewDropPosition)int.parse(td_ar[1]));
 443                 return true;
 444
 445
 446             });
 447             this.el.drag_data_get.connect( ( drag_context, data, info, time) => {
 448
 449
 450                              //print("drag-data-get");
 451                              var s = this.el.get_selection();
 452                              if (s.count_selected_rows() < 1) {
 453                                     data.set_text("",0);
 454                                      print("return empty string - no selection..");
 455                                     return;
 456                                 }
 457
 458                              Gtk.TreeIter iter;
 459                              Gtk.TreeModel mod;
 460
 461                              s.get_selected(out mod, out iter);
 462
 463
 464
 465                              GLib.Value value;
 466                              _this.model.el.get_value(iter, 2, out value);
 467                              var ndata = (JsRender.Node)(value.dup_object());
 468                              var xname = ndata.fqn();
 469
 470
 471                             var tp = mod.get_path(iter).to_string();
 472                             // by default returns the path..
 473
 474                            if ( info != Gdk.Atom.intern("STRING",true) ) {
 475                                 tp = ndata.toJsonString();
 476                            }
 477
 478                            //data.set_text(tp,tp.length);
 479
 480                             data.set (data.get_target (), 8, (uchar[]) tp.to_utf8 ());
 481
 482
 483                            //  print("return " + tp);
 484                         });
 485             this.el.drag_data_received.connect( (ctx, x, y, sel, info, time)  => {
 486
 487                     // THIS CODE ONLY RELATES TO drag  or drop of "NEW" elements or "FROM another tree.."
 488
 489
 490                     //  print("Tree: drag-data-received\n");
 491                     var selection_text = (string)sel.get_data();
 492                     //print("selection_text= %s\n",selection_text);
 493
 494                     var is_drag = this.drag_in_motion;
 495
 496
 497
 498                     print("Is Drag %s\n", is_drag ? "Y": "N");
 499                     var  targetData = "";
 500
 501                     Gtk.TreePath path;
 502                     Gtk.TreeViewDropPosition pos;
 503                     var isOver = _this.view.el.get_dest_row_at_pos(this.drag_x,this.drag_y, out path, out pos);
 504
 505                     // if there are not items in the tree.. the we have to set isOver to true for anything..
 506                     var isEmpty = false;
 507                     if (_this.model.el.iter_n_children(null) < 1) {
 508                         print("got NO children?\n");
 509                         isOver = true; //???
 510                         isEmpty = true;
 511                         pos = Gtk.TreeViewDropPosition.INTO_OR_AFTER;
 512                     }
 513
 514
 515                     //console.log("LEFT-TREE: drag-motion");
 516                     var src = Gtk.drag_get_source_widget(ctx);
 517
 518                     // a drag from self - this should be handled by drop and motion.
 519                     if (src == this.el) {
 520                         print("Source == this element should not happen.. ? \n");
 521                         return;
 522                     }
 523                     //print("drag_data_recieved from another element");
 524
 525
 526
 527
 528                     if (selection_text == null || selection_text.length < 1 || !isOver) {
 529                         // nothing valid foudn to drop...
 530                            print("empty sel text or not over");
 531                         if (is_drag) {
 532                             Gdk.drag_status(ctx, 0, time);
 533                             this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 534                             return;
 535                         }
 536                         Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 537                         // no drop action...
 538                         return;
 539
 540                     }
 541                     var dropNode = new JsRender.Node();
 542
 543                     var dropNodeType  = selection_text;
 544                     var show_templates = true;
 545                     // for drop
 546                     if (dropNodeType[0] == '{') {
 547                         var pa = new Json.Parser();
 548                         pa.load_from_data(dropNodeType);
 549
 550                         dropNode.loadFromJson( pa.get_root().get_object(), 2);
 551                         dropNodeType = dropNode.fqn();
 552                         show_templates = false;
 553
 554
 555                     } else {
 556
 557                         dropNode.setFqn(selection_text);
 558                     }
 559
 560
 561                     // dropList --- need to gather this ...
 562                     print("get dropList for : %s\n",dropNodeType);
 563                     var dropList = _this.model.file.palete().getDropList(dropNodeType);
 564
 565                     print("dropList: %s\n", string.joinv(" , ", dropList));
 566
 567                     // if drag action is link ... then we can drop it anywahere...
 568                      if ((ctx.get_actions() & Gdk.DragAction.LINK) > 0) {
 569                          // if path is null?? dragging into an empty tree?
 570                          targetData = (path == null ? "" :  path.to_string()) + "|%d".printf((int)pos);
 571                      } else {
 572
 573
 574                         targetData = _this.model.findDropNodeByPath( isEmpty ? "" : path.to_string(), dropList, pos);
 575                      }
 576
 577
 578
 579                     print("targetDAta: " + targetData +"\n");
 580
 581                     if (targetData.length < 1) {
 582
 583                         // invalid drop path..
 584                         if (this.drag_in_motion) {
 585                             Gdk.drag_status(ctx, 0, time);
 586                             this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 587                             return;
 588                         }
 589                         Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 590                         // no drop action...
 591                         return;
 592                     }
 593                     // valid drop path..
 594
 595                       var td_ar = targetData.split("|");
 596
 597
 598                     if (this.drag_in_motion) {
 599                         Gdk.drag_status(ctx, Gdk.DragAction.COPY ,time);
 600
 601                         this.highlightDropPath(  td_ar[0]  , (Gtk.TreeViewDropPosition)int.parse(td_ar[1]));
 602                         return;
 603                     }
 604                     // continue on to allow drop..
 605
 606
 607                     // at this point, drag is not in motion... -- as checked above... - so it's a real drop event..
 608
 609
 610                     _this.model.dropNode(targetData, dropNode, show_templates);
 611                     print("ADD new node!!!\n");
 612
 613                     ///Xcls_DialogTemplateSelect.singleton().show( _this.model.file.palete(), node);
 614
 615                     Gtk.drag_finish (ctx, false, false,time);
 616
 617
 618
 619
 620
 621             });
 622             this.el.drag_drop.connect( (  ctx, x, y, time)  => {
 623                   //Seed.print("TARGET: drag-drop");
 624
 625
 626                 var src = Gtk.drag_get_source_widget(ctx);
 627
 628                if (src != this.el) {
 629
 630
 631
 632                    this.drag_in_motion = false;
 633                         // request data that will be recieved by the recieve...
 634                     Gtk.drag_get_data
 635                     (
 636                             this.el,         // will receive 'drag-data-received' signal
 637                             ctx,        // represents the current state of the DnD
 638                             Gdk.Atom.intern("application/json",true),    // the target type we want
 639                             time            // time stamp
 640                     );
 641
 642
 643                     // No target offered by source => error
 644
 645
 646                      return  false;
 647                  }
 648
 649                  // handle drop around self..
 650
 651
 652
 653                 //print("GETTING POS");
 654                 var  targetData = "";
 655
 656                 Gtk.TreePath path;
 657                 Gtk.TreeViewDropPosition pos;
 658                 var isOver = _this.view.el.get_dest_row_at_pos(this.drag_x,this.drag_y, out path, out pos);
 659
 660                 // if there are not items in the tree.. the we have to set isOver to true for anything..
 661                 var isEmpty = false;
 662                 if (_this.model.el.iter_n_children(null) < 1) {
 663                     print("got NO children?\n");
 664                     isOver = true; //???
 665                     isEmpty = true;
 666                     pos = Gtk.TreeViewDropPosition.INTO_OR_AFTER;
 667                 }
 668
 669
 670
 671                 //var action = Gdk.DragAction.COPY;
 672                     // unless we are copying!!! ctl button..
 673
 674                 var action = (ctx.get_actions() & Gdk.DragAction.MOVE) > 0 ?
 675                              Gdk.DragAction.COPY  : Gdk.DragAction.MOVE ;
 676                             // Gdk.DragAction.MOVE : Gdk.DragAction.COPY ;
 677
 678
 679                 if (_this.model.el.iter_n_children(null) < 1) {
 680                     // no children.. -- asume it's ok..
 681
 682                     targetData = "|%d|".printf((int)Gtk.TreeViewDropPosition.INTO_OR_AFTER);
 683
 684                     // continue through to allow drop...
 685
 686                 } else {
 687
 688
 689
 690
 691
 692                             //print("ISOVER? " + isOver);
 693                     if (!isOver) {
 694
 695                         Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 696                         return true; // not over apoint!?! - no action on drop or motion..
 697                     }
 698
 699                     // drag node is parent of child..
 700                     //console.log("SRC TREEPATH: " + src.treepath);
 701                     //console.log("TARGET TREEPATH: " + data.path.to_string());
 702
 703                     // nned to check a  few here..
 704                     //Gtk.TreeViewDropPosition.INTO_OR_AFTER
 705                     //Gtk.TreeViewDropPosition.INTO_OR_BEFORE
 706                     //Gtk.TreeViewDropPosition.AFTER
 707                     //Gtk.TreeViewDropPosition.BEFORE
 708
 709                     // locally dragged items to not really use the
 710                     var selection_text = this.dragData;
 711
 712
 713
 714                     if (selection_text == null || selection_text.length < 1) {
 715                         //print("Error  - drag selection text returned NULL");
 716
 717                          Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 718                          return true; /// -- fixme -- this is not really correct..
 719                     }
 720
 721                             // see if we are dragging into ourself?
 722                             print ("got selection text of  " + selection_text);
 723
 724                     var target_path = path.to_string();
 725                     //print("target_path="+target_path);
 726
 727                     //
 728                     if (selection_text  == target_path) {
 729                         print("self drag ?? == we should perhaps allow copy onto self..\n");
 730
 731                          Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 732
 733                          return true; /// -- fixme -- this is not really correct..
 734
 735                     }
 736
 737                     // check that
 738                     //print("DUMPING DATA");
 739                     //console.dump(data);
 740                     // path, pos
 741
 742                     //print(data.path.to_string() +' => '+  data.pos);
 743
 744                     // dropList is a list of xtypes that this node could be dropped on.
 745                     // it is set up when we start to drag..
 746
 747
 748                     targetData = _this.model.findDropNodeByPath( path.to_string(), this.dropList, pos);
 749
 750                     print("targetDAta: " + targetData +"\n");
 751
 752                     if (targetData.length < 1) {
 753                         //print("Can not find drop node path");
 754
 755                         Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 756                         return true;
 757                     }
 758
 759                     var td_ar = targetData.split("|");
 760
 761
 762
 763                             // continue on to allow drop..
 764               }
 765                     // at this point, drag is not in motion... -- as checked above... - so it's a real drop event..
 766
 767
 768                  var delete_selection_data = false;
 769
 770                 if (action == Gdk.DragAction.ASK)  {
 771                     /* Ask the user to move or copy, then set the ctx action. */
 772                 }
 773
 774                 if (action == Gdk.DragAction.MOVE) {
 775                     delete_selection_data = true;
 776                 }
 777
 778                             // drag around.. - reorder..
 779                 _this.model.moveNode(targetData, action);
 780
 781
 782
 783
 784
 785                     // we can send stuff to souce here...
 786
 787
 788             // do we always say failure, so we handle the reall drop?
 789                 Gtk.drag_finish (ctx, false, false,time); //delete_selection_data, time);
 790
 791                 return true;
 792
 793
 794
 795
 796
 797
 798             });
 799         }
 800
 801         // user defined functions
 802         public           void highlightDropPath ( string treepath, Gtk.TreeViewDropPosition pos) {
 803
 804                 // highlighting for drag/drop
 805                 if (treepath.length > 0) {
 806                     this.el.set_drag_dest_row(  new  Gtk.TreePath.from_string( treepath ), pos);
 807                   } else {
 808                     this.el.set_drag_dest_row(null, Gtk.TreeViewDropPosition.INTO_OR_AFTER);
 809                  }
 810
 811         }
 812         public           void selectNode (string treepath_str) {
 813             //this.selection.select_path(new  Gtk.TreePath.from_string( treepath_str));
 814              var tp = new Gtk.TreePath.from_string(treepath_str);
 815
 816              this.el.set_cursor(tp, null, false);
 817              this.el.scroll_to_cell(tp, null, false, 0,0);
 818         }
 819     }
 820     public class Xcls_model : Object
 821     {
 822         public Gtk.TreeStore el;
 823         private Xcls_WindowLeftTree  _this;
 824
 825
 826             // my vars (def)
 827         public DialogTemplateSelect template_select;
 828         public JsRender.JsRender? file;
 829         public string activePath;
 830         public Project.Project? project;
 831
 832         // ctor
 833         public Xcls_model(Xcls_WindowLeftTree _owner )
 834         {
 835             _this = _owner;
 836             _this.model = this;
 837             this.el = new Gtk.TreeStore( 3, typeof(string),typeof(string),typeof(Object) );
 838
 839             // my vars (dec)
 840             this.template_select = null;
 841             this.file = null;
 842             this.activePath = "";
 843             this.project = null;
 844
 845             // set gobject values
 846
 847             // init method
 848
 849             print("model initialized");
 850         }
 851
 852         // user defined functions
 853         public           string findDropNode (string treepath_str, string[] targets) {
 854
 855             // this is used by the dragdrop code in the roo version AFAIR..
 856
 857             //var path = treepath_str.replace(/^builder-/, '');
 858             // treemap is depreciated... - should really check if model has any entries..
 859
 860             if (this.el.iter_n_children(null) < 1) {
 861                 //print("NO KEYS");
 862                 return "|%d".printf((int)Gtk.TreeViewDropPosition.INTO_OR_AFTER);
 863             }
 864             //print("FIND treepath: " + path);
 865             //console.dump(this.treemap);
 866
 867             //if (!treepath_str.match(/^builder-/)) {
 868             //    return []; // nothing!
 869             //}
 870             if (targets.length > 0 && targets[0] == "*") {
 871                 return  treepath_str;
 872             }
 873             return this.findDropNodeByPath(treepath_str,targets, -1);
 874         }
 875         public           void loadFile (JsRender.JsRender f) {
 876             //console.dump(f);
 877             this.el.clear();
 878             this.file = f;
 879
 880
 881         //    if (!f) {
 882         //        console.log('missing file');
 883         //        return;
 884         //    }
 885
 886             // load the file if not loaded..
 887             if (f.tree == null) {
 888                 f.loadItems( );
 889             }
 890             // if it's still null?
 891             if (f.tree == null) {
 892                 return;
 893             }
 894
 895             /// this.get('/Window').setTitle(f.project.getName() + ' - ' + f.name);
 896
 897             //if (f.items.length && typeof(f.items[0]) == 'string') {
 898
 899                 //this.get('/RightEditor').el.show();
 900                 //this.get('/RightEditor.view').load( f.items[0]);
 901             //    return;
 902             //}
 903             //print("LOAD");
 904             //print(JSON.stringify(f.items, null,4));
 905             //console.dump(f.items);
 906             var o = new Gee.ArrayList<JsRender.Node>();
 907             o.add(f.tree);
 908             this.load(o,null);
 909
 910             _this.view.el.expand_all();
 911
 912             if (f.tree.items.size < 1) {
 913                 // single item..
 914
 915                 //this.get('/Window.leftvpaned').el.set_position(80);
 916                 // select first...
 917                 _this.view.el.set_cursor(
 918                     new  Gtk.TreePath.from_string("0"), null, false);
 919
 920
 921             } else {
 922                   //this.get('/Window.leftvpaned').el.set_position(200);
 923             }
 924
 925             return;
 926             /*
 927
 928             //print("hide right editior");
 929             //this.get('/RightEditor').el.hide();
 930             //this.get('/Editor').el.hide();
 931             //print("set current tree");
 932             //this.currentTree = this.toJS(false, false)[0];
 933             //console.dump(this.currentTree);
 934             //this.currentTree = this.currentTree || { items: [] };
 935             //_this.renderView();
 936             //console.dump(this.map);
 937             //var RightPalete     = imports.Builder.RightPalete.RightPalete;
 938
 939
 940             var pm = this.get('/RightPalete.model');
 941             // set up provider..
 942
 943             this.get('/RightPalete').provider = this.get('/LeftTree').getPaleteProvider();
 944
 945             if (!this.get('/RightPalete').provider) {
 946                 print ("********* PALETE PROVIDER MISSING?!!");
 947             }
 948             this.get('/LeftTree').renderView();
 949
 950             pm.load( this.get('/LeftTree').getPaleteProvider().gatherList(this.listAllTypes()));
 951
 952
 953
 954             this.get('/Window.view-notebook').el.set_current_page(
 955                 this.get('/LeftTree.model').file.getType()== 'Roo' ? 0 : -1);
 956                 */
 957
 958         }
 959         public    void updateSelected () {
 960
 961
 962             var s = _this.view.el.get_selection();
 963
 964              Gtk.TreeIter iter;
 965             Gtk.TreeModel mod;
 966
 967
 968
 969             if (!s.get_selected(out mod, out iter)) {
 970                 return; // nothing seleted..
 971             }
 972
 973           GLib.Value value;
 974             this.el.get_value(iter, 2, out value);
 975             var node = (JsRender.Node)(value.get_object());
 976
 977               this.el.set(iter, 0, node.nodeTitle(),
 978                         1, node.nodeTip(), -1
 979                 );
 980         }
 981         public           string findDropNodeByPath (string treepath_str, string[] targets, int in_pref = -1) {
 982
 983             var path = treepath_str; // dupe it..
 984
 985
 986             // pref : 3 = ontop - 0 = after, 1 = before
 987             int pref = in_pref < 0  ?  Gtk.TreeViewDropPosition.INTO_OR_AFTER : in_pref;
 988
 989             var last = "";
 990
 991             //console.dump(this.treemap);
 992
 993             print("findDropNodeByPath : got path length %d / %s\n", path.length, path);
 994
 995             if (path.length == 0) {
 996                 // top drop. // just return empty..
 997                 return "|%d".printf((int)pref) ;
 998
 999             }
1000
1001
1002             while (path.length > 0) {
1003
1004                 if (path.length == treepath_str.length && pref != Gtk.TreeViewDropPosition.INTO_OR_AFTER) {
1005                     if (path.last_index_of(":") < 0 ) {
1006                         return "";
1007                     }
1008                     path = path.substring(0, path.last_index_of(":"));
1009                     last = treepath_str;
1010                     print("DROP  before or after : using %s\n",path);
1011                     continue;
1012                 }
1013
1014                 //print("LOOKING FOR PATH: " + path);
1015                 var node_data = this.pathToNode(path);
1016
1017                 if (node_data == null) {
1018                     print("node not found");
1019                     return "";
1020                 }
1021
1022                 var xname = node_data.fqn();
1023                 var match = "";
1024                 var prop = "";
1025
1026                 for (var i =0; i < targets.length; i++)  {
1027                     var tg = targets[i];
1028                     if ((tg == xname)  ) {
1029                         match = tg;
1030                         break;
1031                     }
1032                     // if target is "xxxx:name"
1033                     if (tg.contains(xname +":")) {
1034                         match = tg;
1035                         var ar = tg.split(":");
1036                         prop = ar[1];
1037                         break;
1038                     }
1039                 }
1040
1041                 if (match.length > 0) {
1042                     if (last.length > 0) { // pref is after/before..
1043                         // then it's after last
1044                         //if (pref > 1) {
1045                         //    return "";
1046                         //}
1047                         return last + "|%d".printf((int)pref) + "|" + prop;
1048
1049
1050                     }
1051                     // we need to add prop - as :store -> needs to bee added when dropping onto.
1052                     return path + "|%d".printf( (int) Gtk.TreeViewDropPosition.INTO_OR_AFTER)  + "|" + prop;
1053                 }
1054                 /*
1055                 last = "" + path;
1056                 var par = path.split(":");
1057                 string [] ppar = {};
1058                 for (var i = 0; i < par.length-1; i++) {
1059                     ppar += par[i];
1060                 }
1061
1062                 path = string.joinv(":", ppar);
1063                 */
1064                 break;
1065
1066             }
1067
1068             return "";
1069
1070         }
1071         public           void moveNode (string target_data, Gdk.DragAction action)
1072         {
1073
1074            /// target_data = "path|pos");
1075
1076
1077             //print("MOVE NODE");
1078             // console.dump(target_data);
1079             Gtk.TreeIter old_iter;
1080             Gtk.TreeModel mod;
1081
1082             var s = _this.view.el.get_selection();
1083             s.get_selected(out mod , out old_iter);
1084             mod.get_path(old_iter);
1085
1086             var node = this.pathToNode(mod.get_path(old_iter).to_string());
1087             //console.dump(node);
1088             if (node == null) {
1089                 print("moveNode: ERROR - node is null?");
1090             }
1091
1092
1093
1094             // needs to drop first, otherwise the target_data
1095             // treepath will be invalid.
1096
1097
1098             if ((action & Gdk.DragAction.MOVE) > 0) {
1099                     print("REMOVING OLD NODE : " + target_data + "\n");
1100                     node.remove();
1101                     this.dropNode(target_data, node, false);
1102                     this.el.remove(ref old_iter);
1103
1104
1105
1106             } else {
1107                 print("DROPPING NODE // copy: " + target_data + "\n");
1108                 node = node.deepClone();
1109                 this.dropNode(target_data, node, false);
1110             }
1111             _this.changed();
1112             this.activePath= "";
1113             //this.updateNode(false,true);
1114         }
1115         public           void load (Gee.ArrayList<JsRender.Node> tr, Gtk.TreeIter? iter)
1116         {
1117             Gtk.TreeIter citer;
1118             //this.insert(citer,iter,0);
1119             for(var i =0 ; i < tr.size; i++) {
1120                 if (iter != null) {
1121                     this.el.insert(out citer,iter,-1); // why not append?
1122                 } else {
1123                     this.el.append(out citer,null);
1124                 }
1125
1126                 this.el.set(citer, 0, tr.get(i).nodeTitle(),
1127                         1, tr.get(i).nodeTip(), -1
1128                 );
1129                 var o = new GLib.Value(typeof(Object));
1130                 o.set_object((Object)tr.get(i));
1131
1132                 this.el.set_value(citer, 2, o);
1133
1134                 if (tr.get(i).items.size > 0) {
1135                     this.load(tr.get(i).items, citer);
1136                 }
1137
1138             }
1139
1140
1141         }
1142         public           void deleteSelected () {
1143
1144             print("DELETE SELECTED?");
1145             //_this.view.blockChanges = true;
1146             print("GET SELECTION?");
1147
1148             var s = _this.view.el.get_selection();
1149
1150             print("GET  SELECTED?");
1151            Gtk.TreeIter iter;
1152             Gtk.TreeModel mod;
1153
1154
1155             if (!s.get_selected(out mod, out iter)) {
1156                 return; // nothing seleted..
1157             }
1158
1159
1160
1161             this.activePath= "";
1162             print("GET  vnode value?");
1163
1164             GLib.Value value;
1165             this.el.get_value(iter, 2, out value);
1166             var data = (JsRender.Node)(value.get_object());
1167             print("removing node from Render\n");
1168             if (data.parent == null) {
1169                 this.file.tree = null;
1170             } else {
1171                 data.remove();
1172             }
1173             print("removing node from Tree\n");
1174             s.unselect_all();
1175             this.el.remove(ref iter);
1176
1177
1178
1179
1180             //
1181
1182
1183
1184
1185             this.activePath= ""; // again!?!?
1186             //this.changed(null,true);
1187
1188             _this.changed();
1189
1190             _this.view.blockChanges = false;
1191         }
1192         public           JsRender.Node pathToNode (string path) {
1193
1194
1195              Gtk.TreeIter   iter;
1196              _this.model.el.get_iter_from_string(out iter, path);
1197
1198              GLib.Value value;
1199              _this.model.el.get_value(iter, 2, out value);
1200
1201              return (JsRender.Node)value.dup_object();
1202
1203         }
1204         public           void dropNode (string target_data_str, JsRender.Node node, bool show_templates) {
1205         //         print("drop Node");
1206              // console.dump(node);
1207           //    console.dump(target_data);
1208
1209
1210                 // 0 = before , 1=after 2/3 onto
1211
1212
1213                 var target_data= target_data_str.split("|");
1214
1215                 var parent_str = target_data[0].length > 0 ? target_data[0] : "";
1216                 var pos = target_data.length > 1 ? int.parse(target_data[1]) : 2; // ontop..
1217
1218
1219                 Gtk.TreePath tree_path  =   parent_str.length > 0 ? new  Gtk.TreePath.from_string( parent_str ) : null;
1220
1221
1222
1223                 //print("add " + tp + "@" + target_data[1]  );
1224
1225                 JsRender.Node parentNode = null;
1226
1227                 Gtk.TreeIter iter_after;
1228                 Gtk.TreeIter iter_par ;
1229
1230
1231                  if (target_data.length == 3 && target_data[2].length > 0) {
1232                     node.props.set("* prop", target_data[2]);
1233                 }
1234
1235                 Gtk.TreePath expand_parent = null;
1236
1237                 // we only need to show the template if it's come from else where?
1238                  if (show_templates) {
1239
1240                      var ts = _this.main_window.windowstate.template_select;
1241
1242                      var new_node = this.template_select.show(
1243                           (Gtk.Window) _this.el.get_toplevel (),
1244                               this.file.palete(),
1245                            node,
1246                             this.file.project);
1247
1248                      if (new_node == null) {
1249                          return; // do not add?
1250                      }
1251                      node = new_node;
1252                 }
1253
1254                  //print("pos is %d  \n".printf(pos));
1255
1256                  Gtk.TreeIter n_iter;
1257
1258                  if ( parent_str.length < 1) {
1259                       this.el.append(out n_iter, null); // drop at top level..
1260                       node.parent = null;
1261                       this.file.tree = node;
1262
1263
1264                 } else   if (pos  < 2) {
1265                     //print(target_data[1]  > 0 ? 'insert_after' : 'insert_before');
1266
1267                     this.el.get_iter(out iter_after, tree_path );
1268                     this.el.iter_parent(out iter_par, iter_after);
1269                     expand_parent = this.el.get_path(iter_par);
1270
1271                     GLib.Value value;
1272                     this.el.get_value( iter_par, 2, out value);
1273                     parentNode =  (JsRender.Node)value.dup_object();
1274
1275
1276                     this.el.get_value( iter_after, 2, out value);
1277                     var relNode =  (JsRender.Node)value.dup_object();
1278
1279                     if ( pos  > 0 ) {
1280
1281                         this.el.insert_after(out n_iter,    iter_par  , iter_after);
1282                         var ix = parentNode.items.index_of(relNode);
1283                         parentNode.items.insert(ix+1, node);
1284
1285                     } else {
1286                         this.el.insert_before(out n_iter,  iter_par  , iter_after);
1287                         var ix = parentNode.items.index_of(relNode);
1288                         parentNode.items.insert(ix, node);
1289
1290                     }
1291                     node.parent = parentNode;
1292
1293
1294
1295                 } else {
1296                    //  print("appending to  " + parent_str);
1297                     this.el.get_iter(out iter_par, tree_path);
1298                     this.el.append(out n_iter,   iter_par );
1299                     expand_parent = this.el.get_path(iter_par);
1300
1301                     GLib.Value value;
1302                     this.el.get_value( iter_par, 2, out value);
1303                     parentNode =  (JsRender.Node)value.dup_object();
1304                     node.parent = parentNode;
1305                     parentNode.items.add(node);
1306                 }
1307
1308                 // reparent node in tree...
1309
1310
1311                 // why only on no parent???
1312
1313                 //if (node.parent = null) {
1314
1315
1316
1317                 //}
1318
1319
1320                 // work out what kind of packing to use.. -- should be in
1321                 if (!node.has("pack")   && parent_str.length > 1) {
1322
1323                     this.file.palete().fillPack(node,parentNode);
1324
1325
1326                 }
1327
1328                 // add the node...
1329
1330                 this.el.set(n_iter, 0, node.nodeTitle(), 1, node.nodeTip(), -1  );
1331                 var o = new GLib.Value(typeof(Object));
1332                 o.set_object((Object)node);
1333
1334                 this.el.set_value(n_iter, 2, o);
1335
1336
1337
1338
1339         // load children - if it has any..
1340
1341                 if (node.items.size > 0) {
1342                     this.load(node.items, n_iter);
1343                     _this.view.el.expand_row(this.el.get_path(n_iter), true);
1344                 } else if (expand_parent != null && !_this.view.el.is_row_expanded(expand_parent)) {
1345                    _this.view.el.expand_row(expand_parent,true);
1346                 }
1347
1348                 //if (tp != null && (node.items.length() > 0 || pos > 1)) {
1349                 //    _this.view.el.expand_row(this.el.get_path(iter_par), true);
1350                // }
1351                 // wee need to get the empty proptypes from somewhere..
1352
1353                 //var olditer = this.activeIter;
1354                 this.activePath = this.el.get_path(n_iter).to_string();
1355
1356
1357
1358
1359                 _this.view.el.set_cursor(this.el.get_path(n_iter), null, false);
1360                 _this.changed();
1361
1362
1363
1364         }
1365     }
1366     public class Xcls_TreeViewColumn4 : Object
1367     {
1368         public Gtk.TreeViewColumn el;
1369         private Xcls_WindowLeftTree  _this;
1370
1371
1372             // my vars (def)
1373
1374         // ctor
1375         public Xcls_TreeViewColumn4(Xcls_WindowLeftTree _owner )
1376         {
1377             _this = _owner;
1378             this.el = new Gtk.TreeViewColumn();
1379
1380             // my vars (dec)
1381
1382             // set gobject values
1383             this.el.title = "test";
1384             var child_0 = new Xcls_renderer( _this );
1385             child_0.ref();
1386             this.el.pack_start (  child_0.el , true );
1387
1388             // init method
1389
1390             this.el.add_attribute(_this.renderer.el , "markup", 0 );
1391         }
1392
1393         // user defined functions
1394     }
1395     public class Xcls_renderer : Object
1396     {
1397         public Gtk.CellRendererText el;
1398         private Xcls_WindowLeftTree  _this;
1399
1400
1401             // my vars (def)
1402
1403         // ctor
1404         public Xcls_renderer(Xcls_WindowLeftTree _owner )
1405         {
1406             _this = _owner;
1407             _this.renderer = this;
1408             this.el = new Gtk.CellRendererText();
1409
1410             // my vars (dec)
1411
1412             // set gobject values
1413         }
1414
1415         // user defined functions
1416     }
1417     public class Xcls_LeftTreeMenu : Object
1418     {
1419         public Gtk.Menu el;
1420         private Xcls_WindowLeftTree  _this;
1421
1422
1423             // my vars (def)
1424
1425         // ctor
1426         public Xcls_LeftTreeMenu(Xcls_WindowLeftTree _owner )
1427         {
1428             _this = _owner;
1429             _this.LeftTreeMenu = this;
1430             this.el = new Gtk.Menu();
1431
1432             // my vars (dec)
1433
1434             // set gobject values
1435             var child_0 = new Xcls_MenuItem7( _this );
1436             child_0.ref();
1437             this.el.add (  child_0.el  );
1438             var child_1 = new Xcls_MenuItem8( _this );
1439             child_1.ref();
1440             this.el.add (  child_1.el  );
1441             var child_2 = new Xcls_MenuItem9( _this );
1442             child_2.ref();
1443             this.el.add (  child_2.el  );
1444         }
1445
1446         // user defined functions
1447     }
1448     public class Xcls_MenuItem7 : Object
1449     {
1450         public Gtk.MenuItem el;
1451         private Xcls_WindowLeftTree  _this;
1452
1453
1454             // my vars (def)
1455
1456         // ctor
1457         public Xcls_MenuItem7(Xcls_WindowLeftTree _owner )
1458         {
1459             _this = _owner;
1460             this.el = new Gtk.MenuItem();
1461
1462             // my vars (dec)
1463
1464             // set gobject values
1465             this.el.label = "Delete Element";
1466
1467             // listeners
1468             this.el.activate.connect( ( ) => {
1469
1470                 print("ACTIVATE?");
1471
1472
1473                  _this.model.deleteSelected();
1474             });
1475         }
1476
1477         // user defined functions
1478     }
1479     public class Xcls_MenuItem8 : Object
1480     {
1481         public Gtk.MenuItem el;
1482         private Xcls_WindowLeftTree  _this;
1483
1484
1485             // my vars (def)
1486
1487         // ctor
1488         public Xcls_MenuItem8(Xcls_WindowLeftTree _owner )
1489         {
1490             _this = _owner;
1491             this.el = new Gtk.MenuItem();
1492
1493             // my vars (dec)
1494
1495             // set gobject values
1496             this.el.label = "Save as Template";
1497
1498             // listeners
1499             this.el.activate.connect( () => {
1500
1501                  DialogSaveTemplate.singleton().show(
1502                         (Gtk.Window) _this.el.get_toplevel (),
1503                         _this.model.file.palete(),
1504                         _this.getActiveElement()
1505                 );
1506
1507
1508             });
1509         }
1510
1511         // user defined functions
1512     }
1513     public class Xcls_MenuItem9 : Object
1514     {
1515         public Gtk.MenuItem el;
1516         private Xcls_WindowLeftTree  _this;
1517
1518
1519             // my vars (def)
1520
1521         // ctor
1522         public Xcls_MenuItem9(Xcls_WindowLeftTree _owner )
1523         {
1524             _this = _owner;
1525             this.el = new Gtk.MenuItem();
1526
1527             // my vars (dec)
1528
1529             // set gobject values
1530             this.el.label = "Save as Module";
1531
1532             // listeners
1533             this.el.activate.connect( () => {
1534                 var node = _this.getActiveElement();
1535                  var name = DialogSaveModule.singleton().show(
1536                         (Gtk.Window) _this.el.get_toplevel (),
1537                         _this.model.file.project,
1538                         node
1539                  );
1540                  if (name.length < 1) {
1541                         return;
1542
1543                  }
1544                  node.props.set("* xinclude", name);
1545                  node.items.clear();
1546
1547
1548                 var s = _this.view.el.get_selection();
1549
1550                 print("GET  SELECTED?");
1551                 Gtk.TreeIter iter;
1552                 Gtk.TreeModel mod;
1553
1554
1555                 if (!s.get_selected(out mod, out iter)) {
1556                     return; // nothing seleted..
1557                 }
1558                 Gtk.TreeIter citer;
1559                 var n_cn = mod.iter_n_children(iter) -1;
1560                 for (var i = n_cn; i > -1; i--) {
1561                     mod.iter_nth_child(out citer, iter, i);
1562
1563
1564                     print("removing node from Tree\n");
1565
1566                     _this.model.el.remove(ref citer);
1567                 }
1568                 _this.changed();
1569                 _this.node_selected(node);
1570
1571
1572             });
1573         }
1574
1575         // user defined functions
1576     }
1577 }