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                         var cp = mod.get_path(iter);
 229                         Gtk.TreePath sp, ep;
 230                         this.el.get_visible_range(out sp, out ep);
 231
 232
 233
 234
 235                         this.el.scroll_to_cell(new Gtk.TreePath.from_string(_this.model.activePath), null, true, 0.1f,0.0f);
 236
 237                         return false;
 238                   });
 239                 //_this.after_node_change(node);
 240
 241             //        _this.model.file.changed(node, "tree");
 242
 243                 //Seed.print( value.get_string());
 244                 return  ;
 245
 246             });
 247             this.el.drag_begin.connect( ( ctx)  => {
 248                 //print('SOURCE: drag-begin');
 249
 250
 251                     //this.targetData = "";
 252
 253                     // find what is selected in our tree...
 254
 255                     var s = _this.view.el.get_selection();
 256                     if (s.count_selected_rows() < 1) {
 257                         return;
 258                     }
 259                     Gtk.TreeIter iter;
 260                     Gtk.TreeModel mod;
 261                     s.get_selected(out mod, out iter);
 262
 263
 264
 265                     // set some properties of the tree for use by the dropped element.
 266                     GLib.Value value;
 267                     _this.model.el.get_value(iter, 2, out value);
 268                     var tp = mod.get_path(iter).to_string();
 269                     var data = (JsRender.Node)(value.dup_object());
 270                     var xname = data.fqn();
 271                     print ("XNAME  IS " + xname+ "\n");
 272                     this.dragData = tp;
 273                     this.dropList = _this.model.file.palete().getDropList(xname);
 274
 275                     print ("DROP LIST IS " + string.joinv(", ", this.dropList) + "\n");
 276
 277
 278                     // make the drag icon a picture of the node that was selected
 279
 280
 281                 // by default returns the path..
 282                    var path = _this.model.el.get_path(iter);
 283
 284
 285                     var pix = this.el.create_row_drag_icon ( path);
 286
 287                     Gtk.drag_set_icon_surface (ctx, pix) ;
 288
 289                     return;
 290             });
 291             this.el.drag_end.connect( (drag_context) => {
 292                 //Seed.print('LEFT-TREE: drag-end');
 293                     this.dragData = "";
 294                     this.dropList = null;
 295             //        this.targetData = "";
 296                     this.highlightDropPath("",0);
 297             //        return true;
 298             });
 299             this.el.drag_motion.connect( ( ctx, x, y, time)  => {
 300                print("got drag motion\n");
 301                 var src = Gtk.drag_get_source_widget(ctx);
 302                this.drag_x = x;
 303                this.drag_y = y;
 304
 305                if (src != this.el) {
 306
 307
 308
 309                 // the point of this is to detect where an item could be dropped..
 310                     print("requesting drag data\n");
 311                    this.drag_in_motion = true;
 312
 313                         // request data that will be recieved by the recieve...
 314                     Gtk.drag_get_data
 315                     (
 316                             this.el,         // will receive 'drag-data-received' signal
 317                             ctx,        // represents the current state of the DnD
 318                             Gdk.Atom.intern("STRING",true),    // the target type we want
 319                             time            // time stamp
 320                     );
 321                     return true;
 322               }
 323
 324
 325               print("action: %d\n", ctx.get_actions());
 326              //print("GETTING POS");
 327                 var  targetData = "";
 328
 329                 Gtk.TreePath path;
 330                 Gtk.TreeViewDropPosition pos;
 331                 var isOver = _this.view.el.get_dest_row_at_pos(this.drag_x,this.drag_y, out path, out pos);
 332
 333                 // if there are not items in the tree.. the we have to set isOver to true for anything..
 334                 var isEmpty = false;
 335                 if (_this.model.el.iter_n_children(null) < 1) {
 336                     print("got NO children?\n");
 337                     isOver = true; //???
 338                     isEmpty = true;
 339                     pos = Gtk.TreeViewDropPosition.INTO_OR_AFTER;
 340                 }
 341
 342
 343                 // ------------- a drag from self..
 344
 345
 346                 //var action = Gdk.DragAction.COPY;
 347                     // unless we are copying!!! ctl button..
 348
 349                 var action = (ctx.get_actions() & Gdk.DragAction.MOVE) > 0 ?
 350                              Gdk.DragAction.COPY  : Gdk.DragAction.MOVE ;
 351                             // Gdk.DragAction.MOVE : Gdk.DragAction.COPY ;
 352
 353
 354                 if (_this.model.el.iter_n_children(null) < 1) {
 355                     // no children.. -- asume it's ok..
 356
 357                     targetData = "|%d|".printf((int)Gtk.TreeViewDropPosition.INTO_OR_AFTER);
 358
 359                     this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 360                     Gdk.drag_status(ctx, action ,time);
 361                     return true;
 362
 363                     // continue through to allow drop...
 364
 365                 }
 366
 367
 368
 369
 370
 371                 //print("ISOVER? " + isOver);
 372                 if (!isOver) {
 373
 374                     Gdk.drag_status(ctx, 0 ,time);
 375                      this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 376                      return false;
 377
 378                 }
 379
 380                 // drag node is parent of child..
 381                 //console.log("SRC TREEPATH: " + src.treepath);
 382                 //console.log("TARGET TREEPATH: " + data.path.to_string());
 383
 384                 // nned to check a  few here..
 385                 //Gtk.TreeViewDropPosition.INTO_OR_AFTER
 386                 //Gtk.TreeViewDropPosition.INTO_OR_BEFORE
 387                 //Gtk.TreeViewDropPosition.AFTER
 388                 //Gtk.TreeViewDropPosition.BEFORE
 389
 390                 // locally dragged items to not really use the
 391                 var selection_text = this.dragData;
 392
 393
 394
 395                 if (selection_text == null || selection_text.length < 1) {
 396                             //print("Error  - drag selection text returned NULL");
 397                          Gdk.drag_status(ctx, 0 ,time);
 398                         this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 399                          return false;
 400                  }
 401
 402
 403                         // see if we are dragging into ourself?
 404                 var target_path = path.to_string();
 405                 print ("Drag  %s onto %s--%d\n ", selection_text, target_path, pos);
 406
 407                 // pos : 3 = ontop - 0 = after, 1 = before
 408                 //print("target_path="+target_path);
 409
 410                 //
 411                 if (selection_text  == target_path) {
 412                     print("self drag ?? == we should perhaps allow copy onto self..\n");
 413
 414                      Gdk.drag_status(ctx, 0 ,time);
 415                       this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 416                       return false;
 417             //                 -- fixme -- this is not really correct..
 418
 419                 }
 420
 421                 // check that
 422                 //print("DUMPING DATA");
 423                 //console.dump(data);
 424                 // path, pos
 425
 426                 //print(data.path.to_string() +' => '+  data.pos);
 427
 428                 // dropList is a list of xtypes that this node could be dropped on.
 429                 // it is set up when we start to drag..
 430
 431
 432                 targetData = _this.model.findDropNodeByPath( path.to_string(), this.dropList, pos);
 433
 434                 print("targetDAta: " + targetData +"\n");
 435
 436                 if (targetData.length < 1) {
 437                     //print("Can not find drop node path");
 438
 439                     Gdk.drag_status(ctx, 0, time);
 440                     this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 441                     return false;
 442                 }
 443
 444                 var td_ar = targetData.split("|");
 445
 446
 447
 448                 Gdk.drag_status(ctx, action ,time);
 449                 this.highlightDropPath(td_ar[0], (Gtk.TreeViewDropPosition)int.parse(td_ar[1]));
 450                 return true;
 451
 452
 453             });
 454             this.el.drag_data_get.connect( ( drag_context, data, info, time) => {
 455
 456
 457                              //print("drag-data-get");
 458                              var s = this.el.get_selection();
 459                              if (s.count_selected_rows() < 1) {
 460                                     data.set_text("",0);
 461                                      print("return empty string - no selection..");
 462                                     return;
 463                                 }
 464
 465                              Gtk.TreeIter iter;
 466                              Gtk.TreeModel mod;
 467
 468                              s.get_selected(out mod, out iter);
 469
 470
 471
 472                              GLib.Value value;
 473                              _this.model.el.get_value(iter, 2, out value);
 474                              var ndata = (JsRender.Node)(value.dup_object());
 475                              var xname = ndata.fqn();
 476
 477
 478                             var tp = mod.get_path(iter).to_string();
 479                             // by default returns the path..
 480
 481                            if ( info != Gdk.Atom.intern("STRING",true) ) {
 482                                 tp = ndata.toJsonString();
 483                            }
 484
 485                            //data.set_text(tp,tp.length);
 486
 487                             data.set (data.get_target (), 8, (uchar[]) tp.to_utf8 ());
 488
 489
 490                            //  print("return " + tp);
 491                         });
 492             this.el.drag_data_received.connect( (ctx, x, y, sel, info, time)  => {
 493
 494                     // THIS CODE ONLY RELATES TO drag  or drop of "NEW" elements or "FROM another tree.."
 495
 496
 497                     //  print("Tree: drag-data-received\n");
 498                     var selection_text = (string)sel.get_data();
 499                     //print("selection_text= %s\n",selection_text);
 500
 501                     var is_drag = this.drag_in_motion;
 502
 503
 504
 505                     print("Is Drag %s\n", is_drag ? "Y": "N");
 506                     var  targetData = "";
 507
 508                     Gtk.TreePath path;
 509                     Gtk.TreeViewDropPosition pos;
 510                     var isOver = _this.view.el.get_dest_row_at_pos(this.drag_x,this.drag_y, out path, out pos);
 511
 512                     // if there are not items in the tree.. the we have to set isOver to true for anything..
 513                     var isEmpty = false;
 514                     if (_this.model.el.iter_n_children(null) < 1) {
 515                         print("got NO children?\n");
 516                         isOver = true; //???
 517                         isEmpty = true;
 518                         pos = Gtk.TreeViewDropPosition.INTO_OR_AFTER;
 519                     }
 520
 521
 522                     //console.log("LEFT-TREE: drag-motion");
 523                     var src = Gtk.drag_get_source_widget(ctx);
 524
 525                     // a drag from self - this should be handled by drop and motion.
 526                     if (src == this.el) {
 527                         print("Source == this element should not happen.. ? \n");
 528                         return;
 529                     }
 530                     //print("drag_data_recieved from another element");
 531
 532
 533
 534
 535                     if (selection_text == null || selection_text.length < 1 || !isOver) {
 536                         // nothing valid foudn to drop...
 537                            print("empty sel text or not over");
 538                         if (is_drag) {
 539                             Gdk.drag_status(ctx, 0, time);
 540                             this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 541                             return;
 542                         }
 543                         Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 544                         // no drop action...
 545                         return;
 546
 547                     }
 548                     var dropNode = new JsRender.Node();
 549
 550                     var dropNodeType  = selection_text;
 551                     var show_templates = true;
 552                     // for drop
 553                     if (dropNodeType[0] == '{') {
 554                         var pa = new Json.Parser();
 555                         pa.load_from_data(dropNodeType);
 556
 557                         dropNode.loadFromJson( pa.get_root().get_object(), 2);
 558                         dropNodeType = dropNode.fqn();
 559                         show_templates = false;
 560
 561
 562                     } else {
 563
 564                         dropNode.setFqn(selection_text);
 565                     }
 566
 567
 568                     // dropList --- need to gather this ...
 569                     print("get dropList for : %s\n",dropNodeType);
 570                     var dropList = _this.model.file.palete().getDropList(dropNodeType);
 571
 572                     print("dropList: %s\n", string.joinv(" , ", dropList));
 573
 574                     // if drag action is link ... then we can drop it anywahere...
 575                      if ((ctx.get_actions() & Gdk.DragAction.LINK) > 0) {
 576                          // if path is null?? dragging into an empty tree?
 577                          targetData = (path == null ? "" :  path.to_string()) + "|%d".printf((int)pos);
 578                      } else {
 579
 580
 581                         targetData = _this.model.findDropNodeByPath( isEmpty ? "" : path.to_string(), dropList, pos);
 582                      }
 583
 584
 585
 586                     print("targetDAta: " + targetData +"\n");
 587
 588                     if (targetData.length < 1) {
 589
 590                         // invalid drop path..
 591                         if (this.drag_in_motion) {
 592                             Gdk.drag_status(ctx, 0, time);
 593                             this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 594                             return;
 595                         }
 596                         Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 597                         // no drop action...
 598                         return;
 599                     }
 600                     // valid drop path..
 601
 602                       var td_ar = targetData.split("|");
 603
 604
 605                     if (this.drag_in_motion) {
 606                         Gdk.drag_status(ctx, Gdk.DragAction.COPY ,time);
 607
 608                         this.highlightDropPath(  td_ar[0]  , (Gtk.TreeViewDropPosition)int.parse(td_ar[1]));
 609                         return;
 610                     }
 611                     // continue on to allow drop..
 612
 613
 614                     // at this point, drag is not in motion... -- as checked above... - so it's a real drop event..
 615
 616
 617                     _this.model.dropNode(targetData, dropNode, show_templates);
 618                     print("ADD new node!!!\n");
 619
 620                     ///Xcls_DialogTemplateSelect.singleton().show( _this.model.file.palete(), node);
 621
 622                     Gtk.drag_finish (ctx, false, false,time);
 623
 624
 625
 626
 627
 628             });
 629             this.el.drag_drop.connect( (  ctx, x, y, time)  => {
 630                   //Seed.print("TARGET: drag-drop");
 631
 632
 633                 var src = Gtk.drag_get_source_widget(ctx);
 634
 635                if (src != this.el) {
 636
 637
 638
 639                    this.drag_in_motion = false;
 640                         // request data that will be recieved by the recieve...
 641                     Gtk.drag_get_data
 642                     (
 643                             this.el,         // will receive 'drag-data-received' signal
 644                             ctx,        // represents the current state of the DnD
 645                             Gdk.Atom.intern("application/json",true),    // the target type we want
 646                             time            // time stamp
 647                     );
 648
 649
 650                     // No target offered by source => error
 651
 652
 653                      return  false;
 654                  }
 655
 656                  // handle drop around self..
 657
 658
 659
 660                 //print("GETTING POS");
 661                 var  targetData = "";
 662
 663                 Gtk.TreePath path;
 664                 Gtk.TreeViewDropPosition pos;
 665                 var isOver = _this.view.el.get_dest_row_at_pos(this.drag_x,this.drag_y, out path, out pos);
 666
 667                 // if there are not items in the tree.. the we have to set isOver to true for anything..
 668                 var isEmpty = false;
 669                 if (_this.model.el.iter_n_children(null) < 1) {
 670                     print("got NO children?\n");
 671                     isOver = true; //???
 672                     isEmpty = true;
 673                     pos = Gtk.TreeViewDropPosition.INTO_OR_AFTER;
 674                 }
 675
 676
 677
 678                 //var action = Gdk.DragAction.COPY;
 679                     // unless we are copying!!! ctl button..
 680
 681                 var action = (ctx.get_actions() & Gdk.DragAction.MOVE) > 0 ?
 682                              Gdk.DragAction.COPY  : Gdk.DragAction.MOVE ;
 683                             // Gdk.DragAction.MOVE : Gdk.DragAction.COPY ;
 684
 685
 686                 if (_this.model.el.iter_n_children(null) < 1) {
 687                     // no children.. -- asume it's ok..
 688
 689                     targetData = "|%d|".printf((int)Gtk.TreeViewDropPosition.INTO_OR_AFTER);
 690
 691                     // continue through to allow drop...
 692
 693                 } else {
 694
 695
 696
 697
 698
 699                             //print("ISOVER? " + isOver);
 700                     if (!isOver) {
 701
 702                         Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 703                         return true; // not over apoint!?! - no action on drop or motion..
 704                     }
 705
 706                     // drag node is parent of child..
 707                     //console.log("SRC TREEPATH: " + src.treepath);
 708                     //console.log("TARGET TREEPATH: " + data.path.to_string());
 709
 710                     // nned to check a  few here..
 711                     //Gtk.TreeViewDropPosition.INTO_OR_AFTER
 712                     //Gtk.TreeViewDropPosition.INTO_OR_BEFORE
 713                     //Gtk.TreeViewDropPosition.AFTER
 714                     //Gtk.TreeViewDropPosition.BEFORE
 715
 716                     // locally dragged items to not really use the
 717                     var selection_text = this.dragData;
 718
 719
 720
 721                     if (selection_text == null || selection_text.length < 1) {
 722                         //print("Error  - drag selection text returned NULL");
 723
 724                          Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 725                          return true; /// -- fixme -- this is not really correct..
 726                     }
 727
 728                             // see if we are dragging into ourself?
 729                             print ("got selection text of  " + selection_text);
 730
 731                     var target_path = path.to_string();
 732                     //print("target_path="+target_path);
 733
 734                     //
 735                     if (selection_text  == target_path) {
 736                         print("self drag ?? == we should perhaps allow copy onto self..\n");
 737
 738                          Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 739
 740                          return true; /// -- fixme -- this is not really correct..
 741
 742                     }
 743
 744                     // check that
 745                     //print("DUMPING DATA");
 746                     //console.dump(data);
 747                     // path, pos
 748
 749                     //print(data.path.to_string() +' => '+  data.pos);
 750
 751                     // dropList is a list of xtypes that this node could be dropped on.
 752                     // it is set up when we start to drag..
 753
 754
 755                     targetData = _this.model.findDropNodeByPath( path.to_string(), this.dropList, pos);
 756
 757                     print("targetDAta: " + targetData +"\n");
 758
 759                     if (targetData.length < 1) {
 760                         //print("Can not find drop node path");
 761
 762                         Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 763                         return true;
 764                     }
 765
 766                     var td_ar = targetData.split("|");
 767
 768
 769
 770                             // continue on to allow drop..
 771               }
 772                     // at this point, drag is not in motion... -- as checked above... - so it's a real drop event..
 773
 774
 775                  var delete_selection_data = false;
 776
 777                 if (action == Gdk.DragAction.ASK)  {
 778                     /* Ask the user to move or copy, then set the ctx action. */
 779                 }
 780
 781                 if (action == Gdk.DragAction.MOVE) {
 782                     delete_selection_data = true;
 783                 }
 784
 785                             // drag around.. - reorder..
 786                 _this.model.moveNode(targetData, action);
 787
 788
 789
 790
 791
 792                     // we can send stuff to souce here...
 793
 794
 795             // do we always say failure, so we handle the reall drop?
 796                 Gtk.drag_finish (ctx, false, false,time); //delete_selection_data, time);
 797
 798                 return true;
 799
 800
 801
 802
 803
 804
 805             });
 806         }
 807
 808         // user defined functions
 809         public           void highlightDropPath ( string treepath, Gtk.TreeViewDropPosition pos) {
 810
 811                 // highlighting for drag/drop
 812                 if (treepath.length > 0) {
 813                     this.el.set_drag_dest_row(  new  Gtk.TreePath.from_string( treepath ), pos);
 814                   } else {
 815                     this.el.set_drag_dest_row(null, Gtk.TreeViewDropPosition.INTO_OR_AFTER);
 816                  }
 817
 818         }
 819         public           void selectNode (string treepath_str) {
 820             //this.selection.select_path(new  Gtk.TreePath.from_string( treepath_str));
 821              var tp = new Gtk.TreePath.from_string(treepath_str);
 822
 823              this.el.set_cursor(tp, null, false);
 824              this.el.scroll_to_cell(tp, null, false, 0,0);
 825         }
 826     }
 827     public class Xcls_model : Object
 828     {
 829         public Gtk.TreeStore el;
 830         private Xcls_WindowLeftTree  _this;
 831
 832
 833             // my vars (def)
 834         public DialogTemplateSelect template_select;
 835         public JsRender.JsRender? file;
 836         public string activePath;
 837         public Project.Project? project;
 838
 839         // ctor
 840         public Xcls_model(Xcls_WindowLeftTree _owner )
 841         {
 842             _this = _owner;
 843             _this.model = this;
 844             this.el = new Gtk.TreeStore( 3, typeof(string),typeof(string),typeof(Object) );
 845
 846             // my vars (dec)
 847             this.template_select = null;
 848             this.file = null;
 849             this.activePath = "";
 850             this.project = null;
 851
 852             // set gobject values
 853
 854             // init method
 855
 856             print("model initialized");
 857         }
 858
 859         // user defined functions
 860         public           string findDropNode (string treepath_str, string[] targets) {
 861
 862             // this is used by the dragdrop code in the roo version AFAIR..
 863
 864             //var path = treepath_str.replace(/^builder-/, '');
 865             // treemap is depreciated... - should really check if model has any entries..
 866
 867             if (this.el.iter_n_children(null) < 1) {
 868                 //print("NO KEYS");
 869                 return "|%d".printf((int)Gtk.TreeViewDropPosition.INTO_OR_AFTER);
 870             }
 871             //print("FIND treepath: " + path);
 872             //console.dump(this.treemap);
 873
 874             //if (!treepath_str.match(/^builder-/)) {
 875             //    return []; // nothing!
 876             //}
 877             if (targets.length > 0 && targets[0] == "*") {
 878                 return  treepath_str;
 879             }
 880             return this.findDropNodeByPath(treepath_str,targets, -1);
 881         }
 882         public           void loadFile (JsRender.JsRender f) {
 883             //console.dump(f);
 884             this.el.clear();
 885             this.file = f;
 886
 887
 888         //    if (!f) {
 889         //        console.log('missing file');
 890         //        return;
 891         //    }
 892
 893             // load the file if not loaded..
 894             if (f.tree == null) {
 895                 f.loadItems( );
 896             }
 897             // if it's still null?
 898             if (f.tree == null) {
 899                 return;
 900             }
 901
 902             /// this.get('/Window').setTitle(f.project.getName() + ' - ' + f.name);
 903
 904             //if (f.items.length && typeof(f.items[0]) == 'string') {
 905
 906                 //this.get('/RightEditor').el.show();
 907                 //this.get('/RightEditor.view').load( f.items[0]);
 908             //    return;
 909             //}
 910             //print("LOAD");
 911             //print(JSON.stringify(f.items, null,4));
 912             //console.dump(f.items);
 913             var o = new Gee.ArrayList<JsRender.Node>();
 914             o.add(f.tree);
 915             this.load(o,null);
 916
 917             _this.view.el.expand_all();
 918
 919             if (f.tree.items.size < 1) {
 920                 // single item..
 921
 922                 //this.get('/Window.leftvpaned').el.set_position(80);
 923                 // select first...
 924                 _this.view.el.set_cursor(
 925                     new  Gtk.TreePath.from_string("0"), null, false);
 926
 927
 928             } else {
 929                   //this.get('/Window.leftvpaned').el.set_position(200);
 930             }
 931
 932             return;
 933             /*
 934
 935             //print("hide right editior");
 936             //this.get('/RightEditor').el.hide();
 937             //this.get('/Editor').el.hide();
 938             //print("set current tree");
 939             //this.currentTree = this.toJS(false, false)[0];
 940             //console.dump(this.currentTree);
 941             //this.currentTree = this.currentTree || { items: [] };
 942             //_this.renderView();
 943             //console.dump(this.map);
 944             //var RightPalete     = imports.Builder.RightPalete.RightPalete;
 945
 946
 947             var pm = this.get('/RightPalete.model');
 948             // set up provider..
 949
 950             this.get('/RightPalete').provider = this.get('/LeftTree').getPaleteProvider();
 951
 952             if (!this.get('/RightPalete').provider) {
 953                 print ("********* PALETE PROVIDER MISSING?!!");
 954             }
 955             this.get('/LeftTree').renderView();
 956
 957             pm.load( this.get('/LeftTree').getPaleteProvider().gatherList(this.listAllTypes()));
 958
 959
 960
 961             this.get('/Window.view-notebook').el.set_current_page(
 962                 this.get('/LeftTree.model').file.getType()== 'Roo' ? 0 : -1);
 963                 */
 964
 965         }
 966         public    void updateSelected () {
 967
 968
 969             var s = _this.view.el.get_selection();
 970
 971              Gtk.TreeIter iter;
 972             Gtk.TreeModel mod;
 973
 974
 975
 976             if (!s.get_selected(out mod, out iter)) {
 977                 return; // nothing seleted..
 978             }
 979
 980           GLib.Value value;
 981             this.el.get_value(iter, 2, out value);
 982             var node = (JsRender.Node)(value.get_object());
 983
 984               this.el.set(iter, 0, node.nodeTitle(),
 985                         1, node.nodeTip(), -1
 986                 );
 987         }
 988         public           string findDropNodeByPath (string treepath_str, string[] targets, int in_pref = -1) {
 989
 990             var path = treepath_str; // dupe it..
 991
 992
 993             // pref : 3 = ontop - 0 = after, 1 = before
 994             int pref = in_pref < 0  ?  Gtk.TreeViewDropPosition.INTO_OR_AFTER : in_pref;
 995
 996             var last = "";
 997
 998             //console.dump(this.treemap);
 999
1000             print("findDropNodeByPath : got path length %d / %s\n", path.length, path);
1001
1002             if (path.length == 0) {
1003                 // top drop. // just return empty..
1004                 return "|%d".printf((int)pref) ;
1005
1006             }
1007
1008
1009             while (path.length > 0) {
1010
1011                 if (path.length == treepath_str.length && pref != Gtk.TreeViewDropPosition.INTO_OR_AFTER) {
1012                     if (path.last_index_of(":") < 0 ) {
1013                         return "";
1014                     }
1015                     path = path.substring(0, path.last_index_of(":"));
1016                     last = treepath_str;
1017                     print("DROP  before or after : using %s\n",path);
1018                     continue;
1019                 }
1020
1021                 //print("LOOKING FOR PATH: " + path);
1022                 var node_data = this.pathToNode(path);
1023
1024                 if (node_data == null) {
1025                     print("node not found");
1026                     return "";
1027                 }
1028
1029                 var xname = node_data.fqn();
1030                 var match = "";
1031                 var prop = "";
1032
1033                 for (var i =0; i < targets.length; i++)  {
1034                     var tg = targets[i];
1035                     if ((tg == xname)  ) {
1036                         match = tg;
1037                         break;
1038                     }
1039                     // if target is "xxxx:name"
1040                     if (tg.contains(xname +":")) {
1041                         match = tg;
1042                         var ar = tg.split(":");
1043                         prop = ar[1];
1044                         break;
1045                     }
1046                 }
1047
1048                 if (match.length > 0) {
1049                     if (last.length > 0) { // pref is after/before..
1050                         // then it's after last
1051                         //if (pref > 1) {
1052                         //    return "";
1053                         //}
1054                         return last + "|%d".printf((int)pref) + "|" + prop;
1055
1056
1057                     }
1058                     // we need to add prop - as :store -> needs to bee added when dropping onto.
1059                     return path + "|%d".printf( (int) Gtk.TreeViewDropPosition.INTO_OR_AFTER)  + "|" + prop;
1060                 }
1061                 /*
1062                 last = "" + path;
1063                 var par = path.split(":");
1064                 string [] ppar = {};
1065                 for (var i = 0; i < par.length-1; i++) {
1066                     ppar += par[i];
1067                 }
1068
1069                 path = string.joinv(":", ppar);
1070                 */
1071                 break;
1072
1073             }
1074
1075             return "";
1076
1077         }
1078         public           void moveNode (string target_data, Gdk.DragAction action)
1079         {
1080
1081            /// target_data = "path|pos");
1082
1083
1084             //print("MOVE NODE");
1085             // console.dump(target_data);
1086             Gtk.TreeIter old_iter;
1087             Gtk.TreeModel mod;
1088
1089             var s = _this.view.el.get_selection();
1090             s.get_selected(out mod , out old_iter);
1091             mod.get_path(old_iter);
1092
1093             var node = this.pathToNode(mod.get_path(old_iter).to_string());
1094             //console.dump(node);
1095             if (node == null) {
1096                 print("moveNode: ERROR - node is null?");
1097             }
1098
1099
1100
1101             // needs to drop first, otherwise the target_data
1102             // treepath will be invalid.
1103
1104
1105             if ((action & Gdk.DragAction.MOVE) > 0) {
1106                     print("REMOVING OLD NODE : " + target_data + "\n");
1107                     node.remove();
1108                     this.dropNode(target_data, node, false);
1109                     this.el.remove(ref old_iter);
1110
1111
1112
1113             } else {
1114                 print("DROPPING NODE // copy: " + target_data + "\n");
1115                 node = node.deepClone();
1116                 this.dropNode(target_data, node, false);
1117             }
1118             _this.changed();
1119             this.activePath= "";
1120             //this.updateNode(false,true);
1121         }
1122         public           void load (Gee.ArrayList<JsRender.Node> tr, Gtk.TreeIter? iter)
1123         {
1124             Gtk.TreeIter citer;
1125             //this.insert(citer,iter,0);
1126             for(var i =0 ; i < tr.size; i++) {
1127                 if (iter != null) {
1128                     this.el.insert(out citer,iter,-1); // why not append?
1129                 } else {
1130                     this.el.append(out citer,null);
1131                 }
1132
1133                 this.el.set(citer, 0, tr.get(i).nodeTitle(),
1134                         1, tr.get(i).nodeTip(), -1
1135                 );
1136                 var o = new GLib.Value(typeof(Object));
1137                 o.set_object((Object)tr.get(i));
1138
1139                 this.el.set_value(citer, 2, o);
1140
1141                 if (tr.get(i).items.size > 0) {
1142                     this.load(tr.get(i).items, citer);
1143                 }
1144
1145             }
1146
1147
1148         }
1149         public           void deleteSelected () {
1150
1151             print("DELETE SELECTED?");
1152             //_this.view.blockChanges = true;
1153             print("GET SELECTION?");
1154
1155             var s = _this.view.el.get_selection();
1156
1157             print("GET  SELECTED?");
1158            Gtk.TreeIter iter;
1159             Gtk.TreeModel mod;
1160
1161
1162             if (!s.get_selected(out mod, out iter)) {
1163                 return; // nothing seleted..
1164             }
1165
1166
1167
1168             this.activePath= "";
1169             print("GET  vnode value?");
1170
1171             GLib.Value value;
1172             this.el.get_value(iter, 2, out value);
1173             var data = (JsRender.Node)(value.get_object());
1174             print("removing node from Render\n");
1175             if (data.parent == null) {
1176                 this.file.tree = null;
1177             } else {
1178                 data.remove();
1179             }
1180             print("removing node from Tree\n");
1181             s.unselect_all();
1182             this.el.remove(ref iter);
1183
1184
1185
1186
1187             //
1188
1189
1190
1191
1192             this.activePath= ""; // again!?!?
1193             //this.changed(null,true);
1194
1195             _this.changed();
1196
1197             _this.view.blockChanges = false;
1198         }
1199         public           JsRender.Node pathToNode (string path) {
1200
1201
1202              Gtk.TreeIter   iter;
1203              _this.model.el.get_iter_from_string(out iter, path);
1204
1205              GLib.Value value;
1206              _this.model.el.get_value(iter, 2, out value);
1207
1208              return (JsRender.Node)value.dup_object();
1209
1210         }
1211         public           void dropNode (string target_data_str, JsRender.Node node, bool show_templates) {
1212         //         print("drop Node");
1213              // console.dump(node);
1214           //    console.dump(target_data);
1215
1216
1217                 // 0 = before , 1=after 2/3 onto
1218
1219
1220                 var target_data= target_data_str.split("|");
1221
1222                 var parent_str = target_data[0].length > 0 ? target_data[0] : "";
1223                 var pos = target_data.length > 1 ? int.parse(target_data[1]) : 2; // ontop..
1224
1225
1226                 Gtk.TreePath tree_path  =   parent_str.length > 0 ? new  Gtk.TreePath.from_string( parent_str ) : null;
1227
1228
1229
1230                 //print("add " + tp + "@" + target_data[1]  );
1231
1232                 JsRender.Node parentNode = null;
1233
1234                 Gtk.TreeIter iter_after;
1235                 Gtk.TreeIter iter_par ;
1236
1237
1238                  if (target_data.length == 3 && target_data[2].length > 0) {
1239                     node.props.set("* prop", target_data[2]);
1240                 }
1241
1242                 Gtk.TreePath expand_parent = null;
1243
1244                 // we only need to show the template if it's come from else where?
1245                  if (show_templates) {
1246
1247                      var ts = _this.main_window.windowstate.template_select;
1248
1249                      var new_node = ts.show(
1250                           _this.main_window, // (Gtk.Window) _this.el.get_toplevel (),
1251                               this.file.palete(),
1252                             node,
1253                             this.file.project);
1254
1255                      if (new_node == null) {
1256                          return; // do not add?
1257                      }
1258                      node = new_node;
1259                 }
1260
1261                  //print("pos is %d  \n".printf(pos));
1262
1263                  Gtk.TreeIter n_iter;
1264
1265                  if ( parent_str.length < 1) {
1266                       this.el.append(out n_iter, null); // drop at top level..
1267                       node.parent = null;
1268                       this.file.tree = node;
1269
1270
1271                 } else   if (pos  < 2) {
1272                     //print(target_data[1]  > 0 ? 'insert_after' : 'insert_before');
1273
1274                     this.el.get_iter(out iter_after, tree_path );
1275                     this.el.iter_parent(out iter_par, iter_after);
1276                     expand_parent = this.el.get_path(iter_par);
1277
1278                     GLib.Value value;
1279                     this.el.get_value( iter_par, 2, out value);
1280                     parentNode =  (JsRender.Node)value.dup_object();
1281
1282
1283                     this.el.get_value( iter_after, 2, out value);
1284                     var relNode =  (JsRender.Node)value.dup_object();
1285
1286                     if ( pos  > 0 ) {
1287
1288                         this.el.insert_after(out n_iter,    iter_par  , iter_after);
1289                         var ix = parentNode.items.index_of(relNode);
1290                         parentNode.items.insert(ix+1, node);
1291
1292                     } else {
1293                         this.el.insert_before(out n_iter,  iter_par  , iter_after);
1294                         var ix = parentNode.items.index_of(relNode);
1295                         parentNode.items.insert(ix, node);
1296
1297                     }
1298                     node.parent = parentNode;
1299
1300
1301
1302                 } else {
1303                    //  print("appending to  " + parent_str);
1304                     this.el.get_iter(out iter_par, tree_path);
1305                     this.el.append(out n_iter,   iter_par );
1306                     expand_parent = this.el.get_path(iter_par);
1307
1308                     GLib.Value value;
1309                     this.el.get_value( iter_par, 2, out value);
1310                     parentNode =  (JsRender.Node)value.dup_object();
1311                     node.parent = parentNode;
1312                     parentNode.items.add(node);
1313                 }
1314
1315                 // reparent node in tree...
1316
1317
1318                 // why only on no parent???
1319
1320                 //if (node.parent = null) {
1321
1322
1323
1324                 //}
1325
1326
1327                 // work out what kind of packing to use.. -- should be in
1328                 if (!node.has("pack")   && parent_str.length > 1) {
1329
1330                     this.file.palete().fillPack(node,parentNode);
1331
1332
1333                 }
1334
1335                 // add the node...
1336
1337                 this.el.set(n_iter, 0, node.nodeTitle(), 1, node.nodeTip(), -1  );
1338                 var o = new GLib.Value(typeof(Object));
1339                 o.set_object((Object)node);
1340
1341                 this.el.set_value(n_iter, 2, o);
1342
1343
1344
1345
1346         // load children - if it has any..
1347
1348                 if (node.items.size > 0) {
1349                     this.load(node.items, n_iter);
1350                     _this.view.el.expand_row(this.el.get_path(n_iter), true);
1351                 } else if (expand_parent != null && !_this.view.el.is_row_expanded(expand_parent)) {
1352                    _this.view.el.expand_row(expand_parent,true);
1353                 }
1354
1355                 //if (tp != null && (node.items.length() > 0 || pos > 1)) {
1356                 //    _this.view.el.expand_row(this.el.get_path(iter_par), true);
1357                // }
1358                 // wee need to get the empty proptypes from somewhere..
1359
1360                 //var olditer = this.activeIter;
1361                 this.activePath = this.el.get_path(n_iter).to_string();
1362
1363
1364
1365
1366                 _this.view.el.set_cursor(this.el.get_path(n_iter), null, false);
1367                 _this.changed();
1368
1369
1370
1371         }
1372     }
1373     public class Xcls_TreeViewColumn4 : Object
1374     {
1375         public Gtk.TreeViewColumn el;
1376         private Xcls_WindowLeftTree  _this;
1377
1378
1379             // my vars (def)
1380
1381         // ctor
1382         public Xcls_TreeViewColumn4(Xcls_WindowLeftTree _owner )
1383         {
1384             _this = _owner;
1385             this.el = new Gtk.TreeViewColumn();
1386
1387             // my vars (dec)
1388
1389             // set gobject values
1390             this.el.title = "test";
1391             var child_0 = new Xcls_renderer( _this );
1392             child_0.ref();
1393             this.el.pack_start (  child_0.el , true );
1394
1395             // init method
1396
1397             this.el.add_attribute(_this.renderer.el , "markup", 0 );
1398         }
1399
1400         // user defined functions
1401     }
1402     public class Xcls_renderer : Object
1403     {
1404         public Gtk.CellRendererText el;
1405         private Xcls_WindowLeftTree  _this;
1406
1407
1408             // my vars (def)
1409
1410         // ctor
1411         public Xcls_renderer(Xcls_WindowLeftTree _owner )
1412         {
1413             _this = _owner;
1414             _this.renderer = this;
1415             this.el = new Gtk.CellRendererText();
1416
1417             // my vars (dec)
1418
1419             // set gobject values
1420         }
1421
1422         // user defined functions
1423     }
1424     public class Xcls_LeftTreeMenu : Object
1425     {
1426         public Gtk.Menu el;
1427         private Xcls_WindowLeftTree  _this;
1428
1429
1430             // my vars (def)
1431
1432         // ctor
1433         public Xcls_LeftTreeMenu(Xcls_WindowLeftTree _owner )
1434         {
1435             _this = _owner;
1436             _this.LeftTreeMenu = this;
1437             this.el = new Gtk.Menu();
1438
1439             // my vars (dec)
1440
1441             // set gobject values
1442             var child_0 = new Xcls_MenuItem7( _this );
1443             child_0.ref();
1444             this.el.add (  child_0.el  );
1445             var child_1 = new Xcls_MenuItem8( _this );
1446             child_1.ref();
1447             this.el.add (  child_1.el  );
1448             var child_2 = new Xcls_MenuItem9( _this );
1449             child_2.ref();
1450             this.el.add (  child_2.el  );
1451         }
1452
1453         // user defined functions
1454     }
1455     public class Xcls_MenuItem7 : Object
1456     {
1457         public Gtk.MenuItem el;
1458         private Xcls_WindowLeftTree  _this;
1459
1460
1461             // my vars (def)
1462
1463         // ctor
1464         public Xcls_MenuItem7(Xcls_WindowLeftTree _owner )
1465         {
1466             _this = _owner;
1467             this.el = new Gtk.MenuItem();
1468
1469             // my vars (dec)
1470
1471             // set gobject values
1472             this.el.label = "Delete Element";
1473
1474             // listeners
1475             this.el.activate.connect( ( ) => {
1476
1477                 print("ACTIVATE?");
1478
1479
1480                  _this.model.deleteSelected();
1481             });
1482         }
1483
1484         // user defined functions
1485     }
1486     public class Xcls_MenuItem8 : Object
1487     {
1488         public Gtk.MenuItem el;
1489         private Xcls_WindowLeftTree  _this;
1490
1491
1492             // my vars (def)
1493
1494         // ctor
1495         public Xcls_MenuItem8(Xcls_WindowLeftTree _owner )
1496         {
1497             _this = _owner;
1498             this.el = new Gtk.MenuItem();
1499
1500             // my vars (dec)
1501
1502             // set gobject values
1503             this.el.label = "Save as Template";
1504
1505             // listeners
1506             this.el.activate.connect( () => {
1507
1508                  DialogSaveTemplate.singleton().show(
1509                         (Gtk.Window) _this.el.get_toplevel (),
1510                         _this.model.file.palete(),
1511                         _this.getActiveElement()
1512                 );
1513
1514
1515             });
1516         }
1517
1518         // user defined functions
1519     }
1520     public class Xcls_MenuItem9 : Object
1521     {
1522         public Gtk.MenuItem el;
1523         private Xcls_WindowLeftTree  _this;
1524
1525
1526             // my vars (def)
1527
1528         // ctor
1529         public Xcls_MenuItem9(Xcls_WindowLeftTree _owner )
1530         {
1531             _this = _owner;
1532             this.el = new Gtk.MenuItem();
1533
1534             // my vars (dec)
1535
1536             // set gobject values
1537             this.el.label = "Save as Module";
1538
1539             // listeners
1540             this.el.activate.connect( () => {
1541                 var node = _this.getActiveElement();
1542                  var name = DialogSaveModule.singleton().show(
1543                         (Gtk.Window) _this.el.get_toplevel (),
1544                         _this.model.file.project,
1545                         node
1546                  );
1547                  if (name.length < 1) {
1548                         return;
1549
1550                  }
1551                  node.props.set("* xinclude", name);
1552                  node.items.clear();
1553
1554
1555                 var s = _this.view.el.get_selection();
1556
1557                 print("GET  SELECTED?");
1558                 Gtk.TreeIter iter;
1559                 Gtk.TreeModel mod;
1560
1561
1562                 if (!s.get_selected(out mod, out iter)) {
1563                     return; // nothing seleted..
1564                 }
1565                 Gtk.TreeIter citer;
1566                 var n_cn = mod.iter_n_children(iter) -1;
1567                 for (var i = n_cn; i > -1; i--) {
1568                     mod.iter_nth_child(out citer, iter, i);
1569
1570
1571                     print("removing node from Tree\n");
1572
1573                     _this.model.el.remove(ref citer);
1574                 }
1575                 _this.changed();
1576                 _this.node_selected(node);
1577
1578
1579             });
1580         }
1581
1582         // user defined functions
1583     }
1584 }