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 ();
  22     public signal void changed ();
  23     public signal void node_selected (JsRender.Node? node, string source);
  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.main_window.windowstate.file;
  60     }
  61     public           string getActivePath () {
  62
  63         var view = this.view.el;
  64         if (view.get_selection().count_selected_rows() < 1) {
  65             return "";
  66         }
  67         Gtk.TreeIter iter;
  68         Gtk.TreeModel mod;
  69         view.get_selection().get_selected(out mod, out iter);
  70         return mod.get_path(iter).to_string();
  71     }
  72     public class Xcls_view : Object
  73     {
  74         public Gtk.TreeView el;
  75         private Xcls_WindowLeftTree  _this;
  76
  77
  78             // my vars (def)
  79         public string dragData;
  80         public int drag_x;
  81         public string[] dropList;
  82         public int drag_y;
  83         public string lastEventSource;
  84         public bool drag_in_motion;
  85         public bool blockChanges;
  86
  87         // ctor
  88         public Xcls_view(Xcls_WindowLeftTree _owner )
  89         {
  90             _this = _owner;
  91             _this.view = this;
  92             this.el = new Gtk.TreeView();
  93
  94             // my vars (dec)
  95             this.lastEventSource = "";
  96             this.blockChanges = false;
  97
  98             // set gobject values
  99             this.el.expand = true;
 100             this.el.tooltip_column = 1;
 101             this.el.enable_tree_lines = true;
 102             this.el.headers_visible = false;
 103             var child_0 = new Xcls_model( _this );
 104             child_0.ref();
 105             this.el.set_model (  child_0.el  );
 106             var child_1 = new Xcls_TreeViewColumn4( _this );
 107             child_1.ref();
 108             this.el.append_column (  child_1.el  );
 109
 110             // init method
 111
 112             {
 113                 var description = new Pango.FontDescription();
 114                 description.set_size(8000);
 115                 this.el.override_font(description);
 116
 117                 var selection = this.el.get_selection();
 118                 selection.set_mode( Gtk.SelectionMode.SINGLE);
 119
 120
 121                 // is this really needed??
 122                 /*
 123                 this.selection.signal['changed'].connect(function() {
 124                     _this.get('/LeftTree.view').listeners.cursor_changed.apply(
 125                         _this.get('/LeftTree.view'), [ _this.get('/LeftTree.view'), '']
 126                     );
 127                 });
 128                 */
 129                 Gtk.drag_source_set (
 130                     this.el,            /* widget will be drag-able */
 131                     Gdk.ModifierType.BUTTON1_MASK,       /* modifier that will start a drag */
 132                     BuilderApplication.targetList,            /* lists of target to support */
 133                     Gdk.DragAction.COPY   | Gdk.DragAction.MOVE    |  Gdk.DragAction.LINK           /* what to do with data after dropped */
 134                 );
 135
 136                 // ?? needed??
 137                 //Gtk.drag_source_add_text_targets(this.el);
 138
 139                 Gtk.drag_dest_set
 140                 (
 141                     this.el,              /* widget that will accept a drop */
 142                     Gtk.DestDefaults.MOTION  | Gtk.DestDefaults.HIGHLIGHT,
 143                     BuilderApplication.targetList,            /* lists of target to support */
 144                     Gdk.DragAction.COPY   | Gdk.DragAction.MOVE   | Gdk.DragAction.LINK     /* what to do with data after dropped */
 145                 );
 146
 147                 //Gtk.drag_dest_set_target_list(this.el, Builder.Application.targetList);
 148                 //Gtk.drag_dest_add_text_targets(this.el);
 149             }
 150
 151             //listeners
 152             this.el.button_press_event.connect( ( ev) => {
 153                 //console.log("button press?");
 154                 this.lastEventSource = "tree";
 155                 if (! _this.before_node_change() ) {
 156
 157                    return true;
 158                 }
 159
 160
 161
 162                 if (ev.type != Gdk.EventType.BUTTON_PRESS  || ev.button != 3) {
 163                     //print("click" + ev.type);
 164                     return false;
 165                 }
 166                 Gtk.TreePath res;
 167                 if (!_this.view.el.get_path_at_pos((int)ev.x,(int)ev.y, out res, null, null, null) ) {
 168                     return true;
 169                 }
 170
 171                 this.el.get_selection().select_path(res);
 172
 173                   //if (!this.get('/LeftTreeMenu').el)  {
 174                   //      this.get('/LeftTreeMenu').init();
 175                   //  }
 176
 177                  _this.LeftTreeMenu.el.set_screen(Gdk.Screen.get_default());
 178                  _this.LeftTreeMenu.el.show_all();
 179                   _this.LeftTreeMenu.el.popup(null, null, null,  3, ev.time);
 180                  //   print("click:" + res.path.to_string());
 181                   return true;
 182             });
 183             this.el.drag_begin.connect( ( ctx)  => {
 184                 //print('SOURCE: drag-begin');
 185
 186
 187                     //this.targetData = "";
 188
 189                     // find what is selected in our tree...
 190
 191                     var s = _this.view.el.get_selection();
 192                     if (s.count_selected_rows() < 1) {
 193                         return;
 194                     }
 195                     Gtk.TreeIter iter;
 196                     Gtk.TreeModel mod;
 197                     s.get_selected(out mod, out iter);
 198
 199
 200
 201                     // set some properties of the tree for use by the dropped element.
 202                     GLib.Value value;
 203                     _this.model.el.get_value(iter, 2, out value);
 204                     var tp = mod.get_path(iter).to_string();
 205                     var data = (JsRender.Node)(value.dup_object());
 206                     var xname = data.fqn();
 207                     print ("XNAME  IS " + xname+ "\n");
 208                     this.dragData = tp;
 209                     this.dropList = _this.main_window.windowstate.file.palete().getDropList(xname);
 210
 211                     print ("DROP LIST IS " + string.joinv(", ", this.dropList) + "\n");
 212
 213
 214                     // make the drag icon a picture of the node that was selected
 215
 216
 217                 // by default returns the path..
 218                    var path = _this.model.el.get_path(iter);
 219
 220
 221                     var pix = this.el.create_row_drag_icon ( path);
 222
 223                     Gtk.drag_set_icon_surface (ctx, pix) ;
 224
 225                     return;
 226             });
 227             this.el.cursor_changed.connect( ( ) => {
 228
 229
 230                  if (this.blockChanges) { // probably not needed..
 231                    return  ;
 232                  }
 233                   if (!_this.before_node_change( ) ) {
 234                      this.blockChanges = true;
 235                      this.el.get_selection().unselect_all();
 236                      this.blockChanges = false;
 237                      return;
 238                  }
 239                  if (_this.main_window.windowstate.file == null) {
 240                      return;
 241                  }
 242
 243                  //var render = this.get('/LeftTree').getRenderer();
 244                 print("LEFT TREE -> view -> selection changed called\n");
 245
 246
 247                 // -- it appears that the selection is not updated.
 248
 249                 GLib.Timeout.add_full(GLib.Priority.DEFAULT,10 , () => {
 250
 251
 252                         if (this.el.get_selection().count_selected_rows() < 1) {
 253
 254                             print("selected rows < 1\n");
 255                             //??this.model.load( false);
 256                             _this.node_selected(null, this.lastEventSource);
 257
 258                             return false ;
 259                         }
 260
 261                             //console.log('changed');
 262                         var s = this.el.get_selection();
 263                          Gtk.TreeIter iter;
 264                          Gtk.TreeModel mod;
 265                         s.get_selected(out mod, out iter);
 266
 267
 268                         // var val = "";
 269                         GLib.Value value;
 270                         _this.model.el.get_value(iter, 2, out value);
 271                         _this.model.activePath = mod.get_path(iter).to_string();
 272
 273                         var node = (JsRender.Node)value.dup_object();
 274                         _this.node_selected(node, this.lastEventSource);
 275                         while (Gtk.events_pending()) {
 276                             Gtk.main_iteration();
 277                        }
 278                         var cp = mod.get_path(iter);
 279                         Gtk.TreePath sp, ep;
 280                         this.el.get_visible_range(out sp, out ep);
 281                         // if sp is before cp then retuns 1.
 282                         // if cp is before ep then retuns 1.
 283                         if (cp.compare(sp) >= 0 && ep.compare(cp) >=1) {
 284                             return false;
 285                         }
 286
 287
 288
 289                         this.el.scroll_to_cell(new Gtk.TreePath.from_string(_this.model.activePath), null, true, 0.1f,0.0f);
 290
 291                         return false;
 292                   });
 293                 //_this.after_node_change(node);
 294
 295             //        _this.model.file.changed(node, "tree");
 296
 297                 //Seed.print( value.get_string());
 298                 return  ;
 299
 300             });
 301             this.el.drag_end.connect( (drag_context) => {
 302                 //Seed.print('LEFT-TREE: drag-end');
 303                     this.dragData = "";
 304                     this.dropList = null;
 305             //        this.targetData = "";
 306                     this.highlightDropPath("",0);
 307             //        return true;
 308             });
 309             this.el.drag_motion.connect( ( ctx, x, y, time)  => {
 310                print("got drag motion\n");
 311                 var src = Gtk.drag_get_source_widget(ctx);
 312                this.drag_x = x;
 313                this.drag_y = y;
 314
 315                if (src != this.el) {
 316
 317
 318
 319                 // the point of this is to detect where an item could be dropped..
 320                     print("requesting drag data\n");
 321                    this.drag_in_motion = true;
 322
 323                         // request data that will be recieved by the recieve...
 324                     Gtk.drag_get_data
 325                     (
 326                             this.el,         // will receive 'drag-data-received' signal
 327                             ctx,        // represents the current state of the DnD
 328                             Gdk.Atom.intern("STRING",true),    // the target type we want
 329                             time            // time stamp
 330                     );
 331                     return true;
 332               }
 333
 334
 335               print("action: %d\n", ctx.get_actions());
 336              //print("GETTING POS");
 337                 var  targetData = "";
 338
 339                 Gtk.TreePath path;
 340                 Gtk.TreeViewDropPosition pos;
 341                 var isOver = _this.view.el.get_dest_row_at_pos(this.drag_x,this.drag_y, out path, out pos);
 342
 343                 // if there are not items in the tree.. the we have to set isOver to true for anything..
 344                 var isEmpty = false;
 345                 if (_this.model.el.iter_n_children(null) < 1) {
 346                     print("got NO children?\n");
 347                     isOver = true; //???
 348                     isEmpty = true;
 349                     pos = Gtk.TreeViewDropPosition.INTO_OR_AFTER;
 350                 }
 351
 352
 353                 // ------------- a drag from self..
 354
 355
 356                 //var action = Gdk.DragAction.COPY;
 357                     // unless we are copying!!! ctl button..
 358
 359                 var action = (ctx.get_actions() & Gdk.DragAction.MOVE) > 0 ?
 360                              Gdk.DragAction.COPY  : Gdk.DragAction.MOVE ;
 361                             // Gdk.DragAction.MOVE : Gdk.DragAction.COPY ;
 362
 363
 364                 if (_this.model.el.iter_n_children(null) < 1) {
 365                     // no children.. -- asume it's ok..
 366
 367                     targetData = "|%d|".printf((int)Gtk.TreeViewDropPosition.INTO_OR_AFTER);
 368
 369                     this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 370                     Gdk.drag_status(ctx, action ,time);
 371                     return true;
 372
 373                     // continue through to allow drop...
 374
 375                 }
 376
 377
 378
 379
 380
 381                 //print("ISOVER? " + isOver);
 382                 if (!isOver) {
 383
 384                     Gdk.drag_status(ctx, 0 ,time);
 385                      this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 386                      return false;
 387
 388                 }
 389
 390                 // drag node is parent of child..
 391                 //console.log("SRC TREEPATH: " + src.treepath);
 392                 //console.log("TARGET TREEPATH: " + data.path.to_string());
 393
 394                 // nned to check a  few here..
 395                 //Gtk.TreeViewDropPosition.INTO_OR_AFTER
 396                 //Gtk.TreeViewDropPosition.INTO_OR_BEFORE
 397                 //Gtk.TreeViewDropPosition.AFTER
 398                 //Gtk.TreeViewDropPosition.BEFORE
 399
 400                 // locally dragged items to not really use the
 401                 var selection_text = this.dragData;
 402
 403
 404
 405                 if (selection_text == null || selection_text.length < 1) {
 406                             //print("Error  - drag selection text returned NULL");
 407                          Gdk.drag_status(ctx, 0 ,time);
 408                         this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 409                          return false;
 410                  }
 411
 412
 413                         // see if we are dragging into ourself?
 414                 var target_path = path.to_string();
 415                 print ("Drag  %s onto %s--%d\n ", selection_text, target_path, pos);
 416
 417                 // pos : 3 = ontop - 0 = after, 1 = before
 418                 //print("target_path="+target_path);
 419
 420                 //
 421                 if (selection_text  == target_path) {
 422                     print("self drag ?? == we should perhaps allow copy onto self..\n");
 423
 424                      Gdk.drag_status(ctx, 0 ,time);
 425                       this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 426                       return false;
 427             //                 -- fixme -- this is not really correct..
 428
 429                 }
 430
 431                 // check that
 432                 //print("DUMPING DATA");
 433                 //console.dump(data);
 434                 // path, pos
 435
 436                 //print(data.path.to_string() +' => '+  data.pos);
 437
 438                 // dropList is a list of xtypes that this node could be dropped on.
 439                 // it is set up when we start to drag..
 440
 441
 442                 targetData = _this.model.findDropNodeByPath( path.to_string(), this.dropList, pos);
 443
 444                 print("targetDAta: " + targetData +"\n");
 445
 446                 if (targetData.length < 1) {
 447                     //print("Can not find drop node path");
 448
 449                     Gdk.drag_status(ctx, 0, time);
 450                     this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 451                     return false;
 452                 }
 453
 454                 var td_ar = targetData.split("|");
 455
 456
 457
 458                 Gdk.drag_status(ctx, action ,time);
 459                 this.highlightDropPath(td_ar[0], (Gtk.TreeViewDropPosition)int.parse(td_ar[1]));
 460                 return true;
 461
 462
 463             });
 464             this.el.drag_data_get.connect( ( drag_context, data, info, time) => {
 465
 466
 467                              //print("drag-data-get");
 468                              var s = this.el.get_selection();
 469                              if (s.count_selected_rows() < 1) {
 470                                     data.set_text("",0);
 471                                      print("return empty string - no selection..");
 472                                     return;
 473                                 }
 474
 475                              Gtk.TreeIter iter;
 476                              Gtk.TreeModel mod;
 477
 478                              s.get_selected(out mod, out iter);
 479
 480
 481
 482                              GLib.Value value;
 483                              _this.model.el.get_value(iter, 2, out value);
 484                              var ndata = (JsRender.Node)(value.dup_object());
 485
 486
 487
 488                             var tp = mod.get_path(iter).to_string();
 489                             // by default returns the path..
 490
 491                            if ( info != Gdk.Atom.intern("STRING",true) ) {
 492                                 tp = ndata.toJsonString();
 493                            }
 494
 495                            //data.set_text(tp,tp.length);
 496
 497                             data.set (data.get_target (), 8, (uchar[]) tp.to_utf8 ());
 498
 499
 500                            //  print("return " + tp);
 501                         });
 502             this.el.drag_data_received.connect( (ctx, x, y, sel, info, time)  => {
 503
 504                     // THIS CODE ONLY RELATES TO drag  or drop of "NEW" elements or "FROM another tree.."
 505
 506
 507                     //  print("Tree: drag-data-received\n");
 508                     var selection_text = (string)sel.get_data();
 509                     //print("selection_text= %s\n",selection_text);
 510
 511                     var is_drag = this.drag_in_motion;
 512
 513
 514
 515                     print("Is Drag %s\n", is_drag ? "Y": "N");
 516                     var  targetData = "";
 517
 518                     Gtk.TreePath path;
 519                     Gtk.TreeViewDropPosition pos;
 520                     var isOver = _this.view.el.get_dest_row_at_pos(this.drag_x,this.drag_y, out path, out pos);
 521
 522                     // if there are not items in the tree.. the we have to set isOver to true for anything..
 523                     var isEmpty = false;
 524                     if (_this.model.el.iter_n_children(null) < 1) {
 525                         print("got NO children?\n");
 526                         isOver = true; //???
 527                         isEmpty = true;
 528                         pos = Gtk.TreeViewDropPosition.INTO_OR_AFTER;
 529                     }
 530
 531
 532                     //console.log("LEFT-TREE: drag-motion");
 533                     var src = Gtk.drag_get_source_widget(ctx);
 534
 535                     // a drag from self - this should be handled by drop and motion.
 536                     if (src == this.el) {
 537                         print("Source == this element should not happen.. ? \n");
 538                         return;
 539                     }
 540                     //print("drag_data_recieved from another element");
 541
 542
 543
 544
 545                     if (selection_text == null || selection_text.length < 1 || !isOver) {
 546                         // nothing valid foudn to drop...
 547                            print("empty sel text or not over");
 548                         if (is_drag) {
 549                             Gdk.drag_status(ctx, 0, time);
 550                             this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 551                             return;
 552                         }
 553                         Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 554                         // no drop action...
 555                         return;
 556
 557                     }
 558                     var dropNode = new JsRender.Node();
 559
 560                     var dropNodeType  = selection_text;
 561                     var show_templates = true;
 562                     // for drop
 563                     if (dropNodeType[0] == '{') {
 564                         var pa = new Json.Parser();
 565                         try {
 566                             pa.load_from_data(dropNodeType);
 567                         } catch (Error e) {
 568                             Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 569                             // no drop action...
 570                             return;
 571                         }
 572
 573                         dropNode.loadFromJson( pa.get_root().get_object(), 2);
 574                         dropNodeType = dropNode.fqn();
 575                         show_templates = false;
 576
 577
 578                     } else {
 579
 580                         dropNode.setFqn(selection_text);
 581                     }
 582
 583
 584                     // dropList --- need to gather this ...
 585                     print("get dropList for : %s\n",dropNodeType);
 586                     var dropList = _this.main_window.windowstate.file.palete().getDropList(dropNodeType);
 587
 588                     print("dropList: %s\n", string.joinv(" , ", dropList));
 589
 590                     // if drag action is link ... then we can drop it anywahere...
 591                      if ((ctx.get_actions() & Gdk.DragAction.LINK) > 0) {
 592                          // if path is null?? dragging into an empty tree?
 593                          targetData = (path == null ? "" :  path.to_string()) + "|%d".printf((int)pos);
 594                      } else {
 595
 596
 597                         targetData = _this.model.findDropNodeByPath( isEmpty ? "" : path.to_string(), dropList, pos);
 598                      }
 599
 600
 601
 602                     print("targetDAta: " + targetData +"\n");
 603
 604                     if (targetData.length < 1) {
 605
 606                         // invalid drop path..
 607                         if (this.drag_in_motion) {
 608                             Gdk.drag_status(ctx, 0, time);
 609                             this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 610                             return;
 611                         }
 612                         Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 613                         // no drop action...
 614                         return;
 615                     }
 616                     // valid drop path..
 617
 618                       var td_ar = targetData.split("|");
 619
 620
 621                     if (this.drag_in_motion) {
 622                         Gdk.drag_status(ctx, Gdk.DragAction.COPY ,time);
 623
 624                         this.highlightDropPath(  td_ar[0]  , (Gtk.TreeViewDropPosition)int.parse(td_ar[1]));
 625                         return;
 626                     }
 627                     // continue on to allow drop..
 628
 629
 630                     // at this point, drag is not in motion... -- as checked above... - so it's a real drop event..
 631
 632
 633                     _this.model.dropNode(targetData, dropNode, show_templates);
 634                     print("ADD new node!!!\n");
 635
 636                     ///Xcls_DialogTemplateSelect.singleton().show( _this.model.file.palete(), node);
 637
 638                     Gtk.drag_finish (ctx, false, false,time);
 639
 640
 641
 642
 643
 644             });
 645             this.el.drag_drop.connect( (  ctx, x, y, time)  => {
 646                   //Seed.print("TARGET: drag-drop");
 647
 648
 649                 var src = Gtk.drag_get_source_widget(ctx);
 650
 651                if (src != this.el) {
 652
 653
 654
 655                    this.drag_in_motion = false;
 656                         // request data that will be recieved by the recieve...
 657                     Gtk.drag_get_data
 658                     (
 659                             this.el,         // will receive 'drag-data-received' signal
 660                             ctx,        // represents the current state of the DnD
 661                             Gdk.Atom.intern("application/json",true),    // the target type we want
 662                             time            // time stamp
 663                     );
 664
 665
 666                     // No target offered by source => error
 667
 668
 669                      return  false;
 670                  }
 671
 672                  // handle drop around self..
 673
 674
 675
 676                 //print("GETTING POS");
 677                 var  targetData = "";
 678
 679                 Gtk.TreePath path;
 680                 Gtk.TreeViewDropPosition pos;
 681                 var isOver = _this.view.el.get_dest_row_at_pos(this.drag_x,this.drag_y, out path, out pos);
 682
 683                 // if there are not items in the tree.. the we have to set isOver to true for anything..
 684                 var isEmpty = false;
 685                 if (_this.model.el.iter_n_children(null) < 1) {
 686                     print("got NO children?\n");
 687                     isOver = true; //???
 688                     isEmpty = true;
 689                     pos = Gtk.TreeViewDropPosition.INTO_OR_AFTER;
 690                 }
 691
 692
 693
 694                 //var action = Gdk.DragAction.COPY;
 695                     // unless we are copying!!! ctl button..
 696
 697                 var action = (ctx.get_actions() & Gdk.DragAction.MOVE) > 0 ?
 698                              Gdk.DragAction.COPY  : Gdk.DragAction.MOVE ;
 699                             // Gdk.DragAction.MOVE : Gdk.DragAction.COPY ;
 700
 701
 702                 if (_this.model.el.iter_n_children(null) < 1) {
 703                     // no children.. -- asume it's ok..
 704
 705                     targetData = "|%d|".printf((int)Gtk.TreeViewDropPosition.INTO_OR_AFTER);
 706
 707                     // continue through to allow drop...
 708
 709                 } else {
 710
 711
 712
 713
 714
 715                             //print("ISOVER? " + isOver);
 716                     if (!isOver) {
 717
 718                         Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 719                         return true; // not over apoint!?! - no action on drop or motion..
 720                     }
 721
 722                     // drag node is parent of child..
 723                     //console.log("SRC TREEPATH: " + src.treepath);
 724                     //console.log("TARGET TREEPATH: " + data.path.to_string());
 725
 726                     // nned to check a  few here..
 727                     //Gtk.TreeViewDropPosition.INTO_OR_AFTER
 728                     //Gtk.TreeViewDropPosition.INTO_OR_BEFORE
 729                     //Gtk.TreeViewDropPosition.AFTER
 730                     //Gtk.TreeViewDropPosition.BEFORE
 731
 732                     // locally dragged items to not really use the
 733                     var selection_text = this.dragData;
 734
 735
 736
 737                     if (selection_text == null || selection_text.length < 1) {
 738                         //print("Error  - drag selection text returned NULL");
 739
 740                          Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 741                          return true; /// -- fixme -- this is not really correct..
 742                     }
 743
 744                             // see if we are dragging into ourself?
 745                             print ("got selection text of  " + selection_text);
 746
 747                     var target_path = path.to_string();
 748                     //print("target_path="+target_path);
 749
 750                     //
 751                     if (selection_text  == target_path) {
 752                         print("self drag ?? == we should perhaps allow copy onto self..\n");
 753
 754                          Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 755
 756                          return true; /// -- fixme -- this is not really correct..
 757
 758                     }
 759
 760                     // check that
 761                     //print("DUMPING DATA");
 762                     //console.dump(data);
 763                     // path, pos
 764
 765                     //print(data.path.to_string() +' => '+  data.pos);
 766
 767                     // dropList is a list of xtypes that this node could be dropped on.
 768                     // it is set up when we start to drag..
 769
 770
 771                     targetData = _this.model.findDropNodeByPath( path.to_string(), this.dropList, pos);
 772
 773                     print("targetDAta: " + targetData +"\n");
 774
 775                     if (targetData.length < 1) {
 776                         //print("Can not find drop node path");
 777
 778                         Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 779                         return true;
 780                     }
 781
 782
 783
 784                             // continue on to allow drop..
 785               }
 786                     // at this point, drag is not in motion... -- as checked above... - so it's a real drop event..
 787
 788
 789                  var delete_selection_data = false;
 790
 791                 if (action == Gdk.DragAction.ASK)  {
 792                     /* Ask the user to move or copy, then set the ctx action. */
 793                 }
 794
 795                 if (action == Gdk.DragAction.MOVE) {
 796                     delete_selection_data = true;
 797                 }
 798
 799                             // drag around.. - reorder..
 800                 _this.model.moveNode(targetData, action);
 801
 802
 803
 804
 805
 806                     // we can send stuff to souce here...
 807
 808
 809             // do we always say failure, so we handle the reall drop?
 810                 Gtk.drag_finish (ctx, false, false,time); //delete_selection_data, time);
 811
 812                 return true;
 813
 814
 815
 816
 817
 818
 819             });
 820         }
 821
 822         // user defined functions
 823         public           void highlightDropPath ( string treepath, Gtk.TreeViewDropPosition pos) {
 824
 825                 // highlighting for drag/drop
 826                 if (treepath.length > 0) {
 827                     this.el.set_drag_dest_row(  new  Gtk.TreePath.from_string( treepath ), pos);
 828                   } else {
 829                     this.el.set_drag_dest_row(null, Gtk.TreeViewDropPosition.INTO_OR_AFTER);
 830                  }
 831
 832         }
 833         public void setCursor (string treepath, string sourceEvent)   {
 834                 this.lastEventSource = sourceEvent;
 835                 //this.blockChanges = true; << block changes prevents loading of 'node data' and firing of node_selected..
 836             this.el.set_cursor(new Gtk.TreePath.from_string(treepath), null, false);
 837             // fire node_selected..
 838             //this.blockChanges = false;
 839                 this.lastEventSource = "";
 840         }
 841         public           void selectNode (string treepath_str, string source) {
 842                 this.lastEventSource = source;
 843             //this.selection.select_path(new  Gtk.TreePath.from_string( treepath_str));
 844              var tp = new Gtk.TreePath.from_string(treepath_str);
 845
 846              this.el.set_cursor(tp, null, false);
 847              this.el.scroll_to_cell(tp, null, false, 0,0);
 848         }
 849     }
 850     public class Xcls_model : Object
 851     {
 852         public Gtk.TreeStore el;
 853         private Xcls_WindowLeftTree  _this;
 854
 855
 856             // my vars (def)
 857         public DialogTemplateSelect template_select;
 858         public string activePath;
 859
 860         // ctor
 861         public Xcls_model(Xcls_WindowLeftTree _owner )
 862         {
 863             _this = _owner;
 864             _this.model = this;
 865             this.el = new Gtk.TreeStore( 3, typeof(string),typeof(string),typeof(Object) );
 866
 867             // my vars (dec)
 868             this.template_select = null;
 869             this.activePath = "";
 870
 871             // set gobject values
 872
 873             // init method
 874
 875             print("model initialized");
 876         }
 877
 878         // user defined functions
 879         public           string findDropNode (string treepath_str, string[] targets) {
 880
 881             // this is used by the dragdrop code in the roo version AFAIR..
 882
 883             //var path = treepath_str.replace(/^builder-/, '');
 884             // treemap is depreciated... - should really check if model has any entries..
 885
 886             if (this.el.iter_n_children(null) < 1) {
 887                 //print("NO KEYS");
 888                 return "|%d".printf((int)Gtk.TreeViewDropPosition.INTO_OR_AFTER);
 889             }
 890             //print("FIND treepath: " + path);
 891             //console.dump(this.treemap);
 892
 893             //if (!treepath_str.match(/^builder-/)) {
 894             //    return []; // nothing!
 895             //}
 896             if (targets.length > 0 && targets[0] == "*") {
 897                 return  treepath_str;
 898             }
 899             return this.findDropNodeByPath(treepath_str,targets, -1);
 900         }
 901         public           void loadFile (JsRender.JsRender f) {
 902             //console.dump(f);
 903             this.el.clear();
 904
 905             // needed???
 906             _this.main_window.windowstate.file = f;
 907
 908
 909             if (f.tree == null) {
 910                     try {
 911                         f.loadItems( );
 912                 } catch (Error e) {
 913                         return;
 914                 }
 915             }
 916             // if it's still null?
 917             if (f.tree == null) {
 918                 return;
 919             }
 920
 921             var o = new Gee.ArrayList<JsRender.Node>();
 922             o.add(f.tree);
 923             this.load(o,null);
 924
 925             _this.view.el.expand_all();
 926
 927             if (f.tree.items.size < 1) {
 928                 // single item..
 929
 930                 //this.get('/Window.leftvpaned').el.set_position(80);
 931                 // select first...
 932                 _this.view.el.set_cursor(
 933                     new  Gtk.TreePath.from_string("0"), null, false);
 934
 935
 936             } else {
 937                   //this.get('/Window.leftvpaned').el.set_position(200);
 938             }
 939
 940             return;
 941
 942
 943         }
 944         public    void updateSelected () {
 945
 946
 947             var s = _this.view.el.get_selection();
 948
 949              Gtk.TreeIter iter;
 950             Gtk.TreeModel mod;
 951
 952
 953
 954             if (!s.get_selected(out mod, out iter)) {
 955                 return; // nothing seleted..
 956             }
 957
 958           GLib.Value value;
 959             this.el.get_value(iter, 2, out value);
 960             var node = (JsRender.Node)(value.get_object());
 961
 962               this.el.set(iter, 0, node.nodeTitle(),
 963                         1, node.nodeTip(), -1
 964                 );
 965         }
 966         public           string findDropNodeByPath (string treepath_str, string[] targets, int in_pref = -1) {
 967
 968             var path = treepath_str; // dupe it..
 969
 970
 971             // pref : 3 = ontop - 0 = after, 1 = before
 972             int pref = in_pref < 0  ?  Gtk.TreeViewDropPosition.INTO_OR_AFTER : in_pref;
 973
 974             var last = "";
 975
 976             //console.dump(this.treemap);
 977
 978             print("findDropNodeByPath : got path length %d / %s\n", path.length, path);
 979
 980             if (path.length == 0) {
 981                 // top drop. // just return empty..
 982                 return "|%d".printf((int)pref) ;
 983
 984             }
 985
 986
 987             while (path.length > 0) {
 988
 989                 if (path.length == treepath_str.length && pref != Gtk.TreeViewDropPosition.INTO_OR_AFTER) {
 990                     if (path.last_index_of(":") < 0 ) {
 991                         return "";
 992                     }
 993                     path = path.substring(0, path.last_index_of(":"));
 994                     last = treepath_str;
 995                     print("DROP  before or after : using %s\n",path);
 996                     continue;
 997                 }
 998
 999                 //print("LOOKING FOR PATH: " + path);
1000                 var node_data = this.pathToNode(path);
1001
1002                 if (node_data == null) {
1003                     print("node not found");
1004                     return "";
1005                 }
1006
1007                 var xname = node_data.fqn();
1008                 var match = "";
1009                 var prop = "";
1010
1011                 for (var i =0; i < targets.length; i++)  {
1012                     var tg = targets[i];
1013                     if ((tg == xname)  ) {
1014                         match = tg;
1015                         break;
1016                     }
1017                     // if target is "xxxx:name"
1018                     if (tg.contains(xname +":")) {
1019                         match = tg;
1020                         var ar = tg.split(":");
1021                         prop = ar[1];
1022                         break;
1023                     }
1024                 }
1025
1026                 if (match.length > 0) {
1027                     if (last.length > 0) { // pref is after/before..
1028                         // then it's after last
1029                         //if (pref > 1) {
1030                         //    return "";
1031                         //}
1032                         return last + "|%d".printf((int)pref) + "|" + prop;
1033
1034
1035                     }
1036                     // we need to add prop - as :store -> needs to bee added when dropping onto.
1037                     return path + "|%d".printf( (int) Gtk.TreeViewDropPosition.INTO_OR_AFTER)  + "|" + prop;
1038                 }
1039                 /*
1040                 last = "" + path;
1041                 var par = path.split(":");
1042                 string [] ppar = {};
1043                 for (var i = 0; i < par.length-1; i++) {
1044                     ppar += par[i];
1045                 }
1046
1047                 path = string.joinv(":", ppar);
1048                 */
1049                 break;
1050
1051             }
1052
1053             return "";
1054
1055         }
1056         public           void moveNode (string target_data, Gdk.DragAction action)
1057         {
1058
1059            /// target_data = "path|pos");
1060
1061
1062             //print("MOVE NODE");
1063             // console.dump(target_data);
1064             Gtk.TreeIter old_iter;
1065             Gtk.TreeModel mod;
1066
1067             var s = _this.view.el.get_selection();
1068             s.get_selected(out mod , out old_iter);
1069             mod.get_path(old_iter);
1070
1071             var node = this.pathToNode(mod.get_path(old_iter).to_string());
1072             //console.dump(node);
1073             if (node == null) {
1074                 print("moveNode: ERROR - node is null?");
1075             }
1076
1077
1078
1079             // needs to drop first, otherwise the target_data
1080             // treepath will be invalid.
1081
1082
1083             if ((action & Gdk.DragAction.MOVE) > 0) {
1084                     print("REMOVING OLD NODE : " + target_data + "\n");
1085                     node.remove();
1086                     this.dropNode(target_data, node, false);
1087                     this.el.remove(ref old_iter);
1088
1089
1090
1091             } else {
1092                 print("DROPPING NODE // copy: " + target_data + "\n");
1093                 node = node.deepClone();
1094                 this.dropNode(target_data, node, false);
1095             }
1096             _this.changed();
1097             this.activePath= "";
1098             //this.updateNode(false,true);
1099         }
1100         public           void load (Gee.ArrayList<JsRender.Node> tr, Gtk.TreeIter? iter)
1101         {
1102             Gtk.TreeIter citer;
1103             //this.insert(citer,iter,0);
1104             for(var i =0 ; i < tr.size; i++) {
1105                 if (iter != null) {
1106                     this.el.insert(out citer,iter,-1); // why not append?
1107                 } else {
1108                     this.el.append(out citer,null);
1109                 }
1110
1111                 this.el.set(citer, 0, tr.get(i).nodeTitle(),
1112                         1, tr.get(i).nodeTip(), -1
1113                 );
1114                 var o =   GLib.Value(typeof(Object));
1115                 o.set_object((Object)tr.get(i));
1116
1117                 this.el.set_value(citer, 2, o);
1118
1119                 if (tr.get(i).items.size > 0) {
1120                     this.load(tr.get(i).items, citer);
1121                 }
1122
1123             }
1124
1125
1126         }
1127         public           void deleteSelected () {
1128
1129             print("DELETE SELECTED?");
1130             //_this.view.blockChanges = true;
1131             print("GET SELECTION?");
1132
1133             var s = _this.view.el.get_selection();
1134
1135             print("GET  SELECTED?");
1136            Gtk.TreeIter iter;
1137             Gtk.TreeModel mod;
1138
1139
1140             if (!s.get_selected(out mod, out iter)) {
1141                 return; // nothing seleted..
1142             }
1143
1144
1145
1146             this.activePath= "";
1147             print("GET  vnode value?");
1148
1149             GLib.Value value;
1150             this.el.get_value(iter, 2, out value);
1151             var data = (JsRender.Node)(value.get_object());
1152             print("removing node from Render\n");
1153             if (data.parent == null) {
1154                _this.main_window.windowstate.file.tree = null;
1155             } else {
1156                 data.remove();
1157             }
1158             print("removing node from Tree\n");
1159             s.unselect_all();
1160             this.el.remove(ref iter);
1161
1162
1163
1164
1165             //
1166
1167
1168
1169
1170             this.activePath= ""; // again!?!?
1171             //this.changed(null,true);
1172
1173             _this.changed();
1174
1175             _this.view.blockChanges = false;
1176         }
1177         public           JsRender.Node pathToNode (string path) {
1178
1179
1180              Gtk.TreeIter   iter;
1181              _this.model.el.get_iter_from_string(out iter, path);
1182
1183              GLib.Value value;
1184              _this.model.el.get_value(iter, 2, out value);
1185
1186              return (JsRender.Node)value.dup_object();
1187
1188         }
1189         public           void dropNode (string target_data_str, JsRender.Node node, bool show_templates) {
1190         //         print("drop Node");
1191              // console.dump(node);
1192           //    console.dump(target_data);
1193
1194
1195                 // 0 = before , 1=after 2/3 onto
1196
1197
1198                 var target_data= target_data_str.split("|");
1199
1200                 var parent_str = target_data[0].length > 0 ? target_data[0] : "";
1201                 var pos = target_data.length > 1 ? int.parse(target_data[1]) : 2; // ontop..
1202
1203
1204                 Gtk.TreePath tree_path  =   parent_str.length > 0 ? new  Gtk.TreePath.from_string( parent_str ) : null;
1205
1206
1207
1208                 //print("add " + tp + "@" + target_data[1]  );
1209
1210                 JsRender.Node parentNode = null;
1211
1212                 Gtk.TreeIter iter_after;
1213                 Gtk.TreeIter iter_par ;
1214
1215
1216                  if (target_data.length == 3 && target_data[2].length > 0) {
1217                     node.props.set("* prop", target_data[2]);
1218                 }
1219
1220                 Gtk.TreePath expand_parent = null;
1221
1222                 // we only need to show the template if it's come from else where?
1223                  if (show_templates) {
1224
1225                      var ts = _this.main_window.windowstate.template_select;
1226
1227                      var new_node = ts.show(
1228                           _this.main_window, // (Gtk.Window) _this.el.get_toplevel (),
1229                          _this.main_window.windowstate.file.palete(),
1230                             node,
1231                             _this.main_window.windowstate.project);
1232
1233                      if (new_node == null) {
1234                          return; // do not add?
1235                      }
1236                      node = new_node;
1237                 }
1238
1239                  //print("pos is %d  \n".printf(pos));
1240
1241                  Gtk.TreeIter n_iter;
1242
1243                  if ( parent_str.length < 1) {
1244                       this.el.append(out n_iter, null); // drop at top level..
1245                       node.parent = null;
1246                       _this.main_window.windowstate.file.tree = node;
1247
1248
1249                 } else   if (pos  < 2) {
1250                     //print(target_data[1]  > 0 ? 'insert_after' : 'insert_before');
1251
1252                     this.el.get_iter(out iter_after, tree_path );
1253                     this.el.iter_parent(out iter_par, iter_after);
1254                     expand_parent = this.el.get_path(iter_par);
1255
1256                     GLib.Value value;
1257                     this.el.get_value( iter_par, 2, out value);
1258                     parentNode =  (JsRender.Node)value.dup_object();
1259
1260
1261                     this.el.get_value( iter_after, 2, out value);
1262                     var relNode =  (JsRender.Node)value.dup_object();
1263
1264                     if ( pos  > 0 ) {
1265
1266                         this.el.insert_after(out n_iter,    iter_par  , iter_after);
1267                         var ix = parentNode.items.index_of(relNode);
1268                         parentNode.items.insert(ix+1, node);
1269
1270                     } else {
1271                         this.el.insert_before(out n_iter,  iter_par  , iter_after);
1272                         var ix = parentNode.items.index_of(relNode);
1273                         parentNode.items.insert(ix, node);
1274
1275                     }
1276                     node.parent = parentNode;
1277
1278
1279
1280                 } else {
1281                    //  print("appending to  " + parent_str);
1282                     this.el.get_iter(out iter_par, tree_path);
1283                     this.el.append(out n_iter,   iter_par );
1284                     expand_parent = this.el.get_path(iter_par);
1285
1286                     GLib.Value value;
1287                     this.el.get_value( iter_par, 2, out value);
1288                     parentNode =  (JsRender.Node)value.dup_object();
1289                     node.parent = parentNode;
1290                     parentNode.items.add(node);
1291                 }
1292
1293                 // reparent node in tree...
1294
1295
1296                 // why only on no parent???
1297
1298                 //if (node.parent = null) {
1299
1300
1301
1302                 //}
1303
1304
1305                 // work out what kind of packing to use.. -- should be in
1306                 if (!node.has("pack")   && parent_str.length > 1) {
1307
1308                     _this.main_window.windowstate.file.palete().fillPack(node,parentNode);
1309
1310
1311                 }
1312
1313                 // add the node...
1314
1315                 this.el.set(n_iter, 0, node.nodeTitle(), 1, node.nodeTip(), -1  );
1316                 var o =   GLib.Value(typeof(Object));
1317                 o.set_object((Object)node);
1318
1319                 this.el.set_value(n_iter, 2, o);
1320
1321
1322
1323
1324         // load children - if it has any..
1325
1326                 if (node.items.size > 0) {
1327                     this.load(node.items, n_iter);
1328                     _this.view.el.expand_row(this.el.get_path(n_iter), true);
1329                 } else if (expand_parent != null && !_this.view.el.is_row_expanded(expand_parent)) {
1330                    _this.view.el.expand_row(expand_parent,true);
1331                 }
1332
1333                 //if (tp != null && (node.items.length() > 0 || pos > 1)) {
1334                 //    _this.view.el.expand_row(this.el.get_path(iter_par), true);
1335                // }
1336                 // wee need to get the empty proptypes from somewhere..
1337
1338                 //var olditer = this.activeIter;
1339                 this.activePath = this.el.get_path(n_iter).to_string();
1340
1341
1342
1343
1344                 _this.view.el.set_cursor(this.el.get_path(n_iter), null, false);
1345                 _this.changed();
1346
1347
1348
1349         }
1350         public string treePathFromNode (JsRender.Node node) {
1351             // iterate through the tree and find the node
1352             var ret = "";
1353
1354             this.el.foreach((mod, pth, iter) => {
1355                 // get the node..
1356
1357
1358                  GLib.Value value;
1359                  _this.model.el.get_value(iter, 2, out value);
1360
1361
1362
1363                  var n = (JsRender.Node)value;
1364
1365                  print("compare %s to %s\n", n.fqn(), node.fqn());
1366                 if (node == n) {
1367                     ret = pth.to_string();
1368                     return true;
1369                 }
1370                 return false;
1371             });
1372             return ret;
1373
1374         }
1375     }
1376
1377     public class Xcls_TreeViewColumn4 : Object
1378     {
1379         public Gtk.TreeViewColumn el;
1380         private Xcls_WindowLeftTree  _this;
1381
1382
1383             // my vars (def)
1384
1385         // ctor
1386         public Xcls_TreeViewColumn4(Xcls_WindowLeftTree _owner )
1387         {
1388             _this = _owner;
1389             this.el = new Gtk.TreeViewColumn();
1390
1391             // my vars (dec)
1392
1393             // set gobject values
1394             this.el.title = "test";
1395             var child_0 = new Xcls_renderer( _this );
1396             child_0.ref();
1397             this.el.pack_start (  child_0.el , true );
1398
1399             // init method
1400
1401             this.el.add_attribute(_this.renderer.el , "markup", 0 );
1402         }
1403
1404         // user defined functions
1405     }
1406     public class Xcls_renderer : Object
1407     {
1408         public Gtk.CellRendererText el;
1409         private Xcls_WindowLeftTree  _this;
1410
1411
1412             // my vars (def)
1413
1414         // ctor
1415         public Xcls_renderer(Xcls_WindowLeftTree _owner )
1416         {
1417             _this = _owner;
1418             _this.renderer = this;
1419             this.el = new Gtk.CellRendererText();
1420
1421             // my vars (dec)
1422
1423             // set gobject values
1424         }
1425
1426         // user defined functions
1427     }
1428
1429
1430
1431     public class Xcls_LeftTreeMenu : Object
1432     {
1433         public Gtk.Menu el;
1434         private Xcls_WindowLeftTree  _this;
1435
1436
1437             // my vars (def)
1438
1439         // ctor
1440         public Xcls_LeftTreeMenu(Xcls_WindowLeftTree _owner )
1441         {
1442             _this = _owner;
1443             _this.LeftTreeMenu = this;
1444             this.el = new Gtk.Menu();
1445
1446             // my vars (dec)
1447
1448             // set gobject values
1449             var child_0 = new Xcls_MenuItem7( _this );
1450             child_0.ref();
1451             this.el.add (  child_0.el  );
1452             var child_1 = new Xcls_MenuItem8( _this );
1453             child_1.ref();
1454             this.el.add (  child_1.el  );
1455             var child_2 = new Xcls_MenuItem9( _this );
1456             child_2.ref();
1457             this.el.add (  child_2.el  );
1458         }
1459
1460         // user defined functions
1461     }
1462     public class Xcls_MenuItem7 : Object
1463     {
1464         public Gtk.MenuItem el;
1465         private Xcls_WindowLeftTree  _this;
1466
1467
1468             // my vars (def)
1469
1470         // ctor
1471         public Xcls_MenuItem7(Xcls_WindowLeftTree _owner )
1472         {
1473             _this = _owner;
1474             this.el = new Gtk.MenuItem();
1475
1476             // my vars (dec)
1477
1478             // set gobject values
1479             this.el.label = "Delete Element";
1480
1481             //listeners
1482             this.el.activate.connect( ( ) => {
1483
1484                 print("ACTIVATE?");
1485
1486
1487                  _this.model.deleteSelected();
1488             });
1489         }
1490
1491         // user defined functions
1492     }
1493
1494     public class Xcls_MenuItem8 : Object
1495     {
1496         public Gtk.MenuItem el;
1497         private Xcls_WindowLeftTree  _this;
1498
1499
1500             // my vars (def)
1501
1502         // ctor
1503         public Xcls_MenuItem8(Xcls_WindowLeftTree _owner )
1504         {
1505             _this = _owner;
1506             this.el = new Gtk.MenuItem();
1507
1508             // my vars (dec)
1509
1510             // set gobject values
1511             this.el.label = "Save as Template";
1512
1513             //listeners
1514             this.el.activate.connect( () => {
1515
1516                  DialogSaveTemplate.singleton().show(
1517                         (Gtk.Window) _this.el.get_toplevel (),
1518                         _this.main_window.windowstate.file.palete(),
1519                         _this.getActiveElement()
1520                 );
1521
1522
1523             });
1524         }
1525
1526         // user defined functions
1527     }
1528
1529     public class Xcls_MenuItem9 : Object
1530     {
1531         public Gtk.MenuItem el;
1532         private Xcls_WindowLeftTree  _this;
1533
1534
1535             // my vars (def)
1536
1537         // ctor
1538         public Xcls_MenuItem9(Xcls_WindowLeftTree _owner )
1539         {
1540             _this = _owner;
1541             this.el = new Gtk.MenuItem();
1542
1543             // my vars (dec)
1544
1545             // set gobject values
1546             this.el.label = "Save as Module";
1547
1548             //listeners
1549             this.el.activate.connect( () => {
1550                 var node = _this.getActiveElement();
1551                  var name = DialogSaveModule.singleton().show(
1552                         (Gtk.Window) _this.el.get_toplevel (),
1553                         _this.main_window.windowstate.project,
1554                         node
1555                  );
1556                  if (name.length < 1) {
1557                         return;
1558
1559                  }
1560                  node.props.set("* xinclude", name);
1561                  node.items.clear();
1562
1563
1564                 var s = _this.view.el.get_selection();
1565
1566                 print("GET  SELECTED?");
1567                 Gtk.TreeIter iter;
1568                 Gtk.TreeModel mod;
1569
1570
1571                 if (!s.get_selected(out mod, out iter)) {
1572                     return; // nothing seleted..
1573                 }
1574                 Gtk.TreeIter citer;
1575                 var n_cn = mod.iter_n_children(iter) -1;
1576                 for (var i = n_cn; i > -1; i--) {
1577                     mod.iter_nth_child(out citer, iter, i);
1578
1579
1580                     print("removing node from Tree\n");
1581
1582                     _this.model.el.remove(ref citer);
1583                 }
1584                 _this.changed();
1585                 _this.node_selected(node, "tree");
1586
1587
1588             });
1589         }
1590
1591         // user defined functions
1592     }
1593
1594
1595 }