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                         // if sp is before cp then retuns 1.
 232                         // if cp is before ep then retuns 1.
 233                         if (cp.compare(sp) >= 0 && ep.compare(cp) >=1) {
 234                             return false;
 235                         }
 236
 237
 238
 239                         this.el.scroll_to_cell(new Gtk.TreePath.from_string(_this.model.activePath), null, true, 0.1f,0.0f);
 240
 241                         return false;
 242                   });
 243                 //_this.after_node_change(node);
 244
 245             //        _this.model.file.changed(node, "tree");
 246
 247                 //Seed.print( value.get_string());
 248                 return  ;
 249
 250             });
 251             this.el.drag_begin.connect( ( ctx)  => {
 252                 //print('SOURCE: drag-begin');
 253
 254
 255                     //this.targetData = "";
 256
 257                     // find what is selected in our tree...
 258
 259                     var s = _this.view.el.get_selection();
 260                     if (s.count_selected_rows() < 1) {
 261                         return;
 262                     }
 263                     Gtk.TreeIter iter;
 264                     Gtk.TreeModel mod;
 265                     s.get_selected(out mod, out iter);
 266
 267
 268
 269                     // set some properties of the tree for use by the dropped element.
 270                     GLib.Value value;
 271                     _this.model.el.get_value(iter, 2, out value);
 272                     var tp = mod.get_path(iter).to_string();
 273                     var data = (JsRender.Node)(value.dup_object());
 274                     var xname = data.fqn();
 275                     print ("XNAME  IS " + xname+ "\n");
 276                     this.dragData = tp;
 277                     this.dropList = _this.model.file.palete().getDropList(xname);
 278
 279                     print ("DROP LIST IS " + string.joinv(", ", this.dropList) + "\n");
 280
 281
 282                     // make the drag icon a picture of the node that was selected
 283
 284
 285                 // by default returns the path..
 286                    var path = _this.model.el.get_path(iter);
 287
 288
 289                     var pix = this.el.create_row_drag_icon ( path);
 290
 291                     Gtk.drag_set_icon_surface (ctx, pix) ;
 292
 293                     return;
 294             });
 295             this.el.drag_end.connect( (drag_context) => {
 296                 //Seed.print('LEFT-TREE: drag-end');
 297                     this.dragData = "";
 298                     this.dropList = null;
 299             //        this.targetData = "";
 300                     this.highlightDropPath("",0);
 301             //        return true;
 302             });
 303             this.el.drag_motion.connect( ( ctx, x, y, time)  => {
 304                print("got drag motion\n");
 305                 var src = Gtk.drag_get_source_widget(ctx);
 306                this.drag_x = x;
 307                this.drag_y = y;
 308
 309                if (src != this.el) {
 310
 311
 312
 313                 // the point of this is to detect where an item could be dropped..
 314                     print("requesting drag data\n");
 315                    this.drag_in_motion = true;
 316
 317                         // request data that will be recieved by the recieve...
 318                     Gtk.drag_get_data
 319                     (
 320                             this.el,         // will receive 'drag-data-received' signal
 321                             ctx,        // represents the current state of the DnD
 322                             Gdk.Atom.intern("STRING",true),    // the target type we want
 323                             time            // time stamp
 324                     );
 325                     return true;
 326               }
 327
 328
 329               print("action: %d\n", ctx.get_actions());
 330              //print("GETTING POS");
 331                 var  targetData = "";
 332
 333                 Gtk.TreePath path;
 334                 Gtk.TreeViewDropPosition pos;
 335                 var isOver = _this.view.el.get_dest_row_at_pos(this.drag_x,this.drag_y, out path, out pos);
 336
 337                 // if there are not items in the tree.. the we have to set isOver to true for anything..
 338                 var isEmpty = false;
 339                 if (_this.model.el.iter_n_children(null) < 1) {
 340                     print("got NO children?\n");
 341                     isOver = true; //???
 342                     isEmpty = true;
 343                     pos = Gtk.TreeViewDropPosition.INTO_OR_AFTER;
 344                 }
 345
 346
 347                 // ------------- a drag from self..
 348
 349
 350                 //var action = Gdk.DragAction.COPY;
 351                     // unless we are copying!!! ctl button..
 352
 353                 var action = (ctx.get_actions() & Gdk.DragAction.MOVE) > 0 ?
 354                              Gdk.DragAction.COPY  : Gdk.DragAction.MOVE ;
 355                             // Gdk.DragAction.MOVE : Gdk.DragAction.COPY ;
 356
 357
 358                 if (_this.model.el.iter_n_children(null) < 1) {
 359                     // no children.. -- asume it's ok..
 360
 361                     targetData = "|%d|".printf((int)Gtk.TreeViewDropPosition.INTO_OR_AFTER);
 362
 363                     this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 364                     Gdk.drag_status(ctx, action ,time);
 365                     return true;
 366
 367                     // continue through to allow drop...
 368
 369                 }
 370
 371
 372
 373
 374
 375                 //print("ISOVER? " + isOver);
 376                 if (!isOver) {
 377
 378                     Gdk.drag_status(ctx, 0 ,time);
 379                      this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 380                      return false;
 381
 382                 }
 383
 384                 // drag node is parent of child..
 385                 //console.log("SRC TREEPATH: " + src.treepath);
 386                 //console.log("TARGET TREEPATH: " + data.path.to_string());
 387
 388                 // nned to check a  few here..
 389                 //Gtk.TreeViewDropPosition.INTO_OR_AFTER
 390                 //Gtk.TreeViewDropPosition.INTO_OR_BEFORE
 391                 //Gtk.TreeViewDropPosition.AFTER
 392                 //Gtk.TreeViewDropPosition.BEFORE
 393
 394                 // locally dragged items to not really use the
 395                 var selection_text = this.dragData;
 396
 397
 398
 399                 if (selection_text == null || selection_text.length < 1) {
 400                             //print("Error  - drag selection text returned NULL");
 401                          Gdk.drag_status(ctx, 0 ,time);
 402                         this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 403                          return false;
 404                  }
 405
 406
 407                         // see if we are dragging into ourself?
 408                 var target_path = path.to_string();
 409                 print ("Drag  %s onto %s--%d\n ", selection_text, target_path, pos);
 410
 411                 // pos : 3 = ontop - 0 = after, 1 = before
 412                 //print("target_path="+target_path);
 413
 414                 //
 415                 if (selection_text  == target_path) {
 416                     print("self drag ?? == we should perhaps allow copy onto self..\n");
 417
 418                      Gdk.drag_status(ctx, 0 ,time);
 419                       this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 420                       return false;
 421             //                 -- fixme -- this is not really correct..
 422
 423                 }
 424
 425                 // check that
 426                 //print("DUMPING DATA");
 427                 //console.dump(data);
 428                 // path, pos
 429
 430                 //print(data.path.to_string() +' => '+  data.pos);
 431
 432                 // dropList is a list of xtypes that this node could be dropped on.
 433                 // it is set up when we start to drag..
 434
 435
 436                 targetData = _this.model.findDropNodeByPath( path.to_string(), this.dropList, pos);
 437
 438                 print("targetDAta: " + targetData +"\n");
 439
 440                 if (targetData.length < 1) {
 441                     //print("Can not find drop node path");
 442
 443                     Gdk.drag_status(ctx, 0, time);
 444                     this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 445                     return false;
 446                 }
 447
 448                 var td_ar = targetData.split("|");
 449
 450
 451
 452                 Gdk.drag_status(ctx, action ,time);
 453                 this.highlightDropPath(td_ar[0], (Gtk.TreeViewDropPosition)int.parse(td_ar[1]));
 454                 return true;
 455
 456
 457             });
 458             this.el.drag_data_get.connect( ( drag_context, data, info, time) => {
 459
 460
 461                              //print("drag-data-get");
 462                              var s = this.el.get_selection();
 463                              if (s.count_selected_rows() < 1) {
 464                                     data.set_text("",0);
 465                                      print("return empty string - no selection..");
 466                                     return;
 467                                 }
 468
 469                              Gtk.TreeIter iter;
 470                              Gtk.TreeModel mod;
 471
 472                              s.get_selected(out mod, out iter);
 473
 474
 475
 476                              GLib.Value value;
 477                              _this.model.el.get_value(iter, 2, out value);
 478                              var ndata = (JsRender.Node)(value.dup_object());
 479                              var xname = ndata.fqn();
 480
 481
 482                             var tp = mod.get_path(iter).to_string();
 483                             // by default returns the path..
 484
 485                            if ( info != Gdk.Atom.intern("STRING",true) ) {
 486                                 tp = ndata.toJsonString();
 487                            }
 488
 489                            //data.set_text(tp,tp.length);
 490
 491                             data.set (data.get_target (), 8, (uchar[]) tp.to_utf8 ());
 492
 493
 494                            //  print("return " + tp);
 495                         });
 496             this.el.drag_data_received.connect( (ctx, x, y, sel, info, time)  => {
 497
 498                     // THIS CODE ONLY RELATES TO drag  or drop of "NEW" elements or "FROM another tree.."
 499
 500
 501                     //  print("Tree: drag-data-received\n");
 502                     var selection_text = (string)sel.get_data();
 503                     //print("selection_text= %s\n",selection_text);
 504
 505                     var is_drag = this.drag_in_motion;
 506
 507
 508
 509                     print("Is Drag %s\n", is_drag ? "Y": "N");
 510                     var  targetData = "";
 511
 512                     Gtk.TreePath path;
 513                     Gtk.TreeViewDropPosition pos;
 514                     var isOver = _this.view.el.get_dest_row_at_pos(this.drag_x,this.drag_y, out path, out pos);
 515
 516                     // if there are not items in the tree.. the we have to set isOver to true for anything..
 517                     var isEmpty = false;
 518                     if (_this.model.el.iter_n_children(null) < 1) {
 519                         print("got NO children?\n");
 520                         isOver = true; //???
 521                         isEmpty = true;
 522                         pos = Gtk.TreeViewDropPosition.INTO_OR_AFTER;
 523                     }
 524
 525
 526                     //console.log("LEFT-TREE: drag-motion");
 527                     var src = Gtk.drag_get_source_widget(ctx);
 528
 529                     // a drag from self - this should be handled by drop and motion.
 530                     if (src == this.el) {
 531                         print("Source == this element should not happen.. ? \n");
 532                         return;
 533                     }
 534                     //print("drag_data_recieved from another element");
 535
 536
 537
 538
 539                     if (selection_text == null || selection_text.length < 1 || !isOver) {
 540                         // nothing valid foudn to drop...
 541                            print("empty sel text or not over");
 542                         if (is_drag) {
 543                             Gdk.drag_status(ctx, 0, time);
 544                             this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 545                             return;
 546                         }
 547                         Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 548                         // no drop action...
 549                         return;
 550
 551                     }
 552                     var dropNode = new JsRender.Node();
 553
 554                     var dropNodeType  = selection_text;
 555                     var show_templates = true;
 556                     // for drop
 557                     if (dropNodeType[0] == '{') {
 558                         var pa = new Json.Parser();
 559                         pa.load_from_data(dropNodeType);
 560
 561                         dropNode.loadFromJson( pa.get_root().get_object(), 2);
 562                         dropNodeType = dropNode.fqn();
 563                         show_templates = false;
 564
 565
 566                     } else {
 567
 568                         dropNode.setFqn(selection_text);
 569                     }
 570
 571
 572                     // dropList --- need to gather this ...
 573                     print("get dropList for : %s\n",dropNodeType);
 574                     var dropList = _this.model.file.palete().getDropList(dropNodeType);
 575
 576                     print("dropList: %s\n", string.joinv(" , ", dropList));
 577
 578                     // if drag action is link ... then we can drop it anywahere...
 579                      if ((ctx.get_actions() & Gdk.DragAction.LINK) > 0) {
 580                          // if path is null?? dragging into an empty tree?
 581                          targetData = (path == null ? "" :  path.to_string()) + "|%d".printf((int)pos);
 582                      } else {
 583
 584
 585                         targetData = _this.model.findDropNodeByPath( isEmpty ? "" : path.to_string(), dropList, pos);
 586                      }
 587
 588
 589
 590                     print("targetDAta: " + targetData +"\n");
 591
 592                     if (targetData.length < 1) {
 593
 594                         // invalid drop path..
 595                         if (this.drag_in_motion) {
 596                             Gdk.drag_status(ctx, 0, time);
 597                             this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 598                             return;
 599                         }
 600                         Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 601                         // no drop action...
 602                         return;
 603                     }
 604                     // valid drop path..
 605
 606                       var td_ar = targetData.split("|");
 607
 608
 609                     if (this.drag_in_motion) {
 610                         Gdk.drag_status(ctx, Gdk.DragAction.COPY ,time);
 611
 612                         this.highlightDropPath(  td_ar[0]  , (Gtk.TreeViewDropPosition)int.parse(td_ar[1]));
 613                         return;
 614                     }
 615                     // continue on to allow drop..
 616
 617
 618                     // at this point, drag is not in motion... -- as checked above... - so it's a real drop event..
 619
 620
 621                     _this.model.dropNode(targetData, dropNode, show_templates);
 622                     print("ADD new node!!!\n");
 623
 624                     ///Xcls_DialogTemplateSelect.singleton().show( _this.model.file.palete(), node);
 625
 626                     Gtk.drag_finish (ctx, false, false,time);
 627
 628
 629
 630
 631
 632             });
 633             this.el.drag_drop.connect( (  ctx, x, y, time)  => {
 634                   //Seed.print("TARGET: drag-drop");
 635
 636
 637                 var src = Gtk.drag_get_source_widget(ctx);
 638
 639                if (src != this.el) {
 640
 641
 642
 643                    this.drag_in_motion = false;
 644                         // request data that will be recieved by the recieve...
 645                     Gtk.drag_get_data
 646                     (
 647                             this.el,         // will receive 'drag-data-received' signal
 648                             ctx,        // represents the current state of the DnD
 649                             Gdk.Atom.intern("application/json",true),    // the target type we want
 650                             time            // time stamp
 651                     );
 652
 653
 654                     // No target offered by source => error
 655
 656
 657                      return  false;
 658                  }
 659
 660                  // handle drop around self..
 661
 662
 663
 664                 //print("GETTING POS");
 665                 var  targetData = "";
 666
 667                 Gtk.TreePath path;
 668                 Gtk.TreeViewDropPosition pos;
 669                 var isOver = _this.view.el.get_dest_row_at_pos(this.drag_x,this.drag_y, out path, out pos);
 670
 671                 // if there are not items in the tree.. the we have to set isOver to true for anything..
 672                 var isEmpty = false;
 673                 if (_this.model.el.iter_n_children(null) < 1) {
 674                     print("got NO children?\n");
 675                     isOver = true; //???
 676                     isEmpty = true;
 677                     pos = Gtk.TreeViewDropPosition.INTO_OR_AFTER;
 678                 }
 679
 680
 681
 682                 //var action = Gdk.DragAction.COPY;
 683                     // unless we are copying!!! ctl button..
 684
 685                 var action = (ctx.get_actions() & Gdk.DragAction.MOVE) > 0 ?
 686                              Gdk.DragAction.COPY  : Gdk.DragAction.MOVE ;
 687                             // Gdk.DragAction.MOVE : Gdk.DragAction.COPY ;
 688
 689
 690                 if (_this.model.el.iter_n_children(null) < 1) {
 691                     // no children.. -- asume it's ok..
 692
 693                     targetData = "|%d|".printf((int)Gtk.TreeViewDropPosition.INTO_OR_AFTER);
 694
 695                     // continue through to allow drop...
 696
 697                 } else {
 698
 699
 700
 701
 702
 703                             //print("ISOVER? " + isOver);
 704                     if (!isOver) {
 705
 706                         Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 707                         return true; // not over apoint!?! - no action on drop or motion..
 708                     }
 709
 710                     // drag node is parent of child..
 711                     //console.log("SRC TREEPATH: " + src.treepath);
 712                     //console.log("TARGET TREEPATH: " + data.path.to_string());
 713
 714                     // nned to check a  few here..
 715                     //Gtk.TreeViewDropPosition.INTO_OR_AFTER
 716                     //Gtk.TreeViewDropPosition.INTO_OR_BEFORE
 717                     //Gtk.TreeViewDropPosition.AFTER
 718                     //Gtk.TreeViewDropPosition.BEFORE
 719
 720                     // locally dragged items to not really use the
 721                     var selection_text = this.dragData;
 722
 723
 724
 725                     if (selection_text == null || selection_text.length < 1) {
 726                         //print("Error  - drag selection text returned NULL");
 727
 728                          Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 729                          return true; /// -- fixme -- this is not really correct..
 730                     }
 731
 732                             // see if we are dragging into ourself?
 733                             print ("got selection text of  " + selection_text);
 734
 735                     var target_path = path.to_string();
 736                     //print("target_path="+target_path);
 737
 738                     //
 739                     if (selection_text  == target_path) {
 740                         print("self drag ?? == we should perhaps allow copy onto self..\n");
 741
 742                          Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 743
 744                          return true; /// -- fixme -- this is not really correct..
 745
 746                     }
 747
 748                     // check that
 749                     //print("DUMPING DATA");
 750                     //console.dump(data);
 751                     // path, pos
 752
 753                     //print(data.path.to_string() +' => '+  data.pos);
 754
 755                     // dropList is a list of xtypes that this node could be dropped on.
 756                     // it is set up when we start to drag..
 757
 758
 759                     targetData = _this.model.findDropNodeByPath( path.to_string(), this.dropList, pos);
 760
 761                     print("targetDAta: " + targetData +"\n");
 762
 763                     if (targetData.length < 1) {
 764                         //print("Can not find drop node path");
 765
 766                         Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 767                         return true;
 768                     }
 769
 770                     var td_ar = targetData.split("|");
 771
 772
 773
 774                             // continue on to allow drop..
 775               }
 776                     // at this point, drag is not in motion... -- as checked above... - so it's a real drop event..
 777
 778
 779                  var delete_selection_data = false;
 780
 781                 if (action == Gdk.DragAction.ASK)  {
 782                     /* Ask the user to move or copy, then set the ctx action. */
 783                 }
 784
 785                 if (action == Gdk.DragAction.MOVE) {
 786                     delete_selection_data = true;
 787                 }
 788
 789                             // drag around.. - reorder..
 790                 _this.model.moveNode(targetData, action);
 791
 792
 793
 794
 795
 796                     // we can send stuff to souce here...
 797
 798
 799             // do we always say failure, so we handle the reall drop?
 800                 Gtk.drag_finish (ctx, false, false,time); //delete_selection_data, time);
 801
 802                 return true;
 803
 804
 805
 806
 807
 808
 809             });
 810         }
 811
 812         // user defined functions
 813         public           void highlightDropPath ( string treepath, Gtk.TreeViewDropPosition pos) {
 814
 815                 // highlighting for drag/drop
 816                 if (treepath.length > 0) {
 817                     this.el.set_drag_dest_row(  new  Gtk.TreePath.from_string( treepath ), pos);
 818                   } else {
 819                     this.el.set_drag_dest_row(null, Gtk.TreeViewDropPosition.INTO_OR_AFTER);
 820                  }
 821
 822         }
 823         public           void selectNode (string treepath_str) {
 824             //this.selection.select_path(new  Gtk.TreePath.from_string( treepath_str));
 825              var tp = new Gtk.TreePath.from_string(treepath_str);
 826
 827              this.el.set_cursor(tp, null, false);
 828              this.el.scroll_to_cell(tp, null, false, 0,0);
 829         }
 830     }
 831     public class Xcls_model : Object
 832     {
 833         public Gtk.TreeStore el;
 834         private Xcls_WindowLeftTree  _this;
 835
 836
 837             // my vars (def)
 838         public DialogTemplateSelect template_select;
 839         public JsRender.JsRender? file;
 840         public string activePath;
 841         public Project.Project? project;
 842
 843         // ctor
 844         public Xcls_model(Xcls_WindowLeftTree _owner )
 845         {
 846             _this = _owner;
 847             _this.model = this;
 848             this.el = new Gtk.TreeStore( 3, typeof(string),typeof(string),typeof(Object) );
 849
 850             // my vars (dec)
 851             this.template_select = null;
 852             this.file = null;
 853             this.activePath = "";
 854             this.project = null;
 855
 856             // set gobject values
 857
 858             // init method
 859
 860             print("model initialized");
 861         }
 862
 863         // user defined functions
 864         public           string findDropNode (string treepath_str, string[] targets) {
 865
 866             // this is used by the dragdrop code in the roo version AFAIR..
 867
 868             //var path = treepath_str.replace(/^builder-/, '');
 869             // treemap is depreciated... - should really check if model has any entries..
 870
 871             if (this.el.iter_n_children(null) < 1) {
 872                 //print("NO KEYS");
 873                 return "|%d".printf((int)Gtk.TreeViewDropPosition.INTO_OR_AFTER);
 874             }
 875             //print("FIND treepath: " + path);
 876             //console.dump(this.treemap);
 877
 878             //if (!treepath_str.match(/^builder-/)) {
 879             //    return []; // nothing!
 880             //}
 881             if (targets.length > 0 && targets[0] == "*") {
 882                 return  treepath_str;
 883             }
 884             return this.findDropNodeByPath(treepath_str,targets, -1);
 885         }
 886         public           void loadFile (JsRender.JsRender f) {
 887             //console.dump(f);
 888             this.el.clear();
 889             this.file = f;
 890
 891
 892         //    if (!f) {
 893         //        console.log('missing file');
 894         //        return;
 895         //    }
 896
 897             // load the file if not loaded..
 898             if (f.tree == null) {
 899                 f.loadItems( );
 900             }
 901             // if it's still null?
 902             if (f.tree == null) {
 903                 return;
 904             }
 905
 906             /// this.get('/Window').setTitle(f.project.getName() + ' - ' + f.name);
 907
 908             //if (f.items.length && typeof(f.items[0]) == 'string') {
 909
 910                 //this.get('/RightEditor').el.show();
 911                 //this.get('/RightEditor.view').load( f.items[0]);
 912             //    return;
 913             //}
 914             //print("LOAD");
 915             //print(JSON.stringify(f.items, null,4));
 916             //console.dump(f.items);
 917             var o = new Gee.ArrayList<JsRender.Node>();
 918             o.add(f.tree);
 919             this.load(o,null);
 920
 921             _this.view.el.expand_all();
 922
 923             if (f.tree.items.size < 1) {
 924                 // single item..
 925
 926                 //this.get('/Window.leftvpaned').el.set_position(80);
 927                 // select first...
 928                 _this.view.el.set_cursor(
 929                     new  Gtk.TreePath.from_string("0"), null, false);
 930
 931
 932             } else {
 933                   //this.get('/Window.leftvpaned').el.set_position(200);
 934             }
 935
 936             return;
 937             /*
 938
 939             //print("hide right editior");
 940             //this.get('/RightEditor').el.hide();
 941             //this.get('/Editor').el.hide();
 942             //print("set current tree");
 943             //this.currentTree = this.toJS(false, false)[0];
 944             //console.dump(this.currentTree);
 945             //this.currentTree = this.currentTree || { items: [] };
 946             //_this.renderView();
 947             //console.dump(this.map);
 948             //var RightPalete     = imports.Builder.RightPalete.RightPalete;
 949
 950
 951             var pm = this.get('/RightPalete.model');
 952             // set up provider..
 953
 954             this.get('/RightPalete').provider = this.get('/LeftTree').getPaleteProvider();
 955
 956             if (!this.get('/RightPalete').provider) {
 957                 print ("********* PALETE PROVIDER MISSING?!!");
 958             }
 959             this.get('/LeftTree').renderView();
 960
 961             pm.load( this.get('/LeftTree').getPaleteProvider().gatherList(this.listAllTypes()));
 962
 963
 964
 965             this.get('/Window.view-notebook').el.set_current_page(
 966                 this.get('/LeftTree.model').file.getType()== 'Roo' ? 0 : -1);
 967                 */
 968
 969         }
 970         public    void updateSelected () {
 971
 972
 973             var s = _this.view.el.get_selection();
 974
 975              Gtk.TreeIter iter;
 976             Gtk.TreeModel mod;
 977
 978
 979
 980             if (!s.get_selected(out mod, out iter)) {
 981                 return; // nothing seleted..
 982             }
 983
 984           GLib.Value value;
 985             this.el.get_value(iter, 2, out value);
 986             var node = (JsRender.Node)(value.get_object());
 987
 988               this.el.set(iter, 0, node.nodeTitle(),
 989                         1, node.nodeTip(), -1
 990                 );
 991         }
 992         public           string findDropNodeByPath (string treepath_str, string[] targets, int in_pref = -1) {
 993
 994             var path = treepath_str; // dupe it..
 995
 996
 997             // pref : 3 = ontop - 0 = after, 1 = before
 998             int pref = in_pref < 0  ?  Gtk.TreeViewDropPosition.INTO_OR_AFTER : in_pref;
 999
1000             var last = "";
1001
1002             //console.dump(this.treemap);
1003
1004             print("findDropNodeByPath : got path length %d / %s\n", path.length, path);
1005
1006             if (path.length == 0) {
1007                 // top drop. // just return empty..
1008                 return "|%d".printf((int)pref) ;
1009
1010             }
1011
1012
1013             while (path.length > 0) {
1014
1015                 if (path.length == treepath_str.length && pref != Gtk.TreeViewDropPosition.INTO_OR_AFTER) {
1016                     if (path.last_index_of(":") < 0 ) {
1017                         return "";
1018                     }
1019                     path = path.substring(0, path.last_index_of(":"));
1020                     last = treepath_str;
1021                     print("DROP  before or after : using %s\n",path);
1022                     continue;
1023                 }
1024
1025                 //print("LOOKING FOR PATH: " + path);
1026                 var node_data = this.pathToNode(path);
1027
1028                 if (node_data == null) {
1029                     print("node not found");
1030                     return "";
1031                 }
1032
1033                 var xname = node_data.fqn();
1034                 var match = "";
1035                 var prop = "";
1036
1037                 for (var i =0; i < targets.length; i++)  {
1038                     var tg = targets[i];
1039                     if ((tg == xname)  ) {
1040                         match = tg;
1041                         break;
1042                     }
1043                     // if target is "xxxx:name"
1044                     if (tg.contains(xname +":")) {
1045                         match = tg;
1046                         var ar = tg.split(":");
1047                         prop = ar[1];
1048                         break;
1049                     }
1050                 }
1051
1052                 if (match.length > 0) {
1053                     if (last.length > 0) { // pref is after/before..
1054                         // then it's after last
1055                         //if (pref > 1) {
1056                         //    return "";
1057                         //}
1058                         return last + "|%d".printf((int)pref) + "|" + prop;
1059
1060
1061                     }
1062                     // we need to add prop - as :store -> needs to bee added when dropping onto.
1063                     return path + "|%d".printf( (int) Gtk.TreeViewDropPosition.INTO_OR_AFTER)  + "|" + prop;
1064                 }
1065                 /*
1066                 last = "" + path;
1067                 var par = path.split(":");
1068                 string [] ppar = {};
1069                 for (var i = 0; i < par.length-1; i++) {
1070                     ppar += par[i];
1071                 }
1072
1073                 path = string.joinv(":", ppar);
1074                 */
1075                 break;
1076
1077             }
1078
1079             return "";
1080
1081         }
1082         public           void moveNode (string target_data, Gdk.DragAction action)
1083         {
1084
1085            /// target_data = "path|pos");
1086
1087
1088             //print("MOVE NODE");
1089             // console.dump(target_data);
1090             Gtk.TreeIter old_iter;
1091             Gtk.TreeModel mod;
1092
1093             var s = _this.view.el.get_selection();
1094             s.get_selected(out mod , out old_iter);
1095             mod.get_path(old_iter);
1096
1097             var node = this.pathToNode(mod.get_path(old_iter).to_string());
1098             //console.dump(node);
1099             if (node == null) {
1100                 print("moveNode: ERROR - node is null?");
1101             }
1102
1103
1104
1105             // needs to drop first, otherwise the target_data
1106             // treepath will be invalid.
1107
1108
1109             if ((action & Gdk.DragAction.MOVE) > 0) {
1110                     print("REMOVING OLD NODE : " + target_data + "\n");
1111                     node.remove();
1112                     this.dropNode(target_data, node, false);
1113                     this.el.remove(ref old_iter);
1114
1115
1116
1117             } else {
1118                 print("DROPPING NODE // copy: " + target_data + "\n");
1119                 node = node.deepClone();
1120                 this.dropNode(target_data, node, false);
1121             }
1122             _this.changed();
1123             this.activePath= "";
1124             //this.updateNode(false,true);
1125         }
1126         public           void load (Gee.ArrayList<JsRender.Node> tr, Gtk.TreeIter? iter)
1127         {
1128             Gtk.TreeIter citer;
1129             //this.insert(citer,iter,0);
1130             for(var i =0 ; i < tr.size; i++) {
1131                 if (iter != null) {
1132                     this.el.insert(out citer,iter,-1); // why not append?
1133                 } else {
1134                     this.el.append(out citer,null);
1135                 }
1136
1137                 this.el.set(citer, 0, tr.get(i).nodeTitle(),
1138                         1, tr.get(i).nodeTip(), -1
1139                 );
1140                 var o = new GLib.Value(typeof(Object));
1141                 o.set_object((Object)tr.get(i));
1142
1143                 this.el.set_value(citer, 2, o);
1144
1145                 if (tr.get(i).items.size > 0) {
1146                     this.load(tr.get(i).items, citer);
1147                 }
1148
1149             }
1150
1151
1152         }
1153         public           void deleteSelected () {
1154
1155             print("DELETE SELECTED?");
1156             //_this.view.blockChanges = true;
1157             print("GET SELECTION?");
1158
1159             var s = _this.view.el.get_selection();
1160
1161             print("GET  SELECTED?");
1162            Gtk.TreeIter iter;
1163             Gtk.TreeModel mod;
1164
1165
1166             if (!s.get_selected(out mod, out iter)) {
1167                 return; // nothing seleted..
1168             }
1169
1170
1171
1172             this.activePath= "";
1173             print("GET  vnode value?");
1174
1175             GLib.Value value;
1176             this.el.get_value(iter, 2, out value);
1177             var data = (JsRender.Node)(value.get_object());
1178             print("removing node from Render\n");
1179             if (data.parent == null) {
1180                 this.file.tree = null;
1181             } else {
1182                 data.remove();
1183             }
1184             print("removing node from Tree\n");
1185             s.unselect_all();
1186             this.el.remove(ref iter);
1187
1188
1189
1190
1191             //
1192
1193
1194
1195
1196             this.activePath= ""; // again!?!?
1197             //this.changed(null,true);
1198
1199             _this.changed();
1200
1201             _this.view.blockChanges = false;
1202         }
1203         public           JsRender.Node pathToNode (string path) {
1204
1205
1206              Gtk.TreeIter   iter;
1207              _this.model.el.get_iter_from_string(out iter, path);
1208
1209              GLib.Value value;
1210              _this.model.el.get_value(iter, 2, out value);
1211
1212              return (JsRender.Node)value.dup_object();
1213
1214         }
1215         public           void dropNode (string target_data_str, JsRender.Node node, bool show_templates) {
1216         //         print("drop Node");
1217              // console.dump(node);
1218           //    console.dump(target_data);
1219
1220
1221                 // 0 = before , 1=after 2/3 onto
1222
1223
1224                 var target_data= target_data_str.split("|");
1225
1226                 var parent_str = target_data[0].length > 0 ? target_data[0] : "";
1227                 var pos = target_data.length > 1 ? int.parse(target_data[1]) : 2; // ontop..
1228
1229
1230                 Gtk.TreePath tree_path  =   parent_str.length > 0 ? new  Gtk.TreePath.from_string( parent_str ) : null;
1231
1232
1233
1234                 //print("add " + tp + "@" + target_data[1]  );
1235
1236                 JsRender.Node parentNode = null;
1237
1238                 Gtk.TreeIter iter_after;
1239                 Gtk.TreeIter iter_par ;
1240
1241
1242                  if (target_data.length == 3 && target_data[2].length > 0) {
1243                     node.props.set("* prop", target_data[2]);
1244                 }
1245
1246                 Gtk.TreePath expand_parent = null;
1247
1248                 // we only need to show the template if it's come from else where?
1249                  if (show_templates) {
1250
1251                      var ts = _this.main_window.windowstate.template_select;
1252
1253                      var new_node = ts.show(
1254                           _this.main_window, // (Gtk.Window) _this.el.get_toplevel (),
1255                               this.file.palete(),
1256                             node,
1257                             this.file.project);
1258
1259                      if (new_node == null) {
1260                          return; // do not add?
1261                      }
1262                      node = new_node;
1263                 }
1264
1265                  //print("pos is %d  \n".printf(pos));
1266
1267                  Gtk.TreeIter n_iter;
1268
1269                  if ( parent_str.length < 1) {
1270                       this.el.append(out n_iter, null); // drop at top level..
1271                       node.parent = null;
1272                       this.file.tree = node;
1273
1274
1275                 } else   if (pos  < 2) {
1276                     //print(target_data[1]  > 0 ? 'insert_after' : 'insert_before');
1277
1278                     this.el.get_iter(out iter_after, tree_path );
1279                     this.el.iter_parent(out iter_par, iter_after);
1280                     expand_parent = this.el.get_path(iter_par);
1281
1282                     GLib.Value value;
1283                     this.el.get_value( iter_par, 2, out value);
1284                     parentNode =  (JsRender.Node)value.dup_object();
1285
1286
1287                     this.el.get_value( iter_after, 2, out value);
1288                     var relNode =  (JsRender.Node)value.dup_object();
1289
1290                     if ( pos  > 0 ) {
1291
1292                         this.el.insert_after(out n_iter,    iter_par  , iter_after);
1293                         var ix = parentNode.items.index_of(relNode);
1294                         parentNode.items.insert(ix+1, node);
1295
1296                     } else {
1297                         this.el.insert_before(out n_iter,  iter_par  , iter_after);
1298                         var ix = parentNode.items.index_of(relNode);
1299                         parentNode.items.insert(ix, node);
1300
1301                     }
1302                     node.parent = parentNode;
1303
1304
1305
1306                 } else {
1307                    //  print("appending to  " + parent_str);
1308                     this.el.get_iter(out iter_par, tree_path);
1309                     this.el.append(out n_iter,   iter_par );
1310                     expand_parent = this.el.get_path(iter_par);
1311
1312                     GLib.Value value;
1313                     this.el.get_value( iter_par, 2, out value);
1314                     parentNode =  (JsRender.Node)value.dup_object();
1315                     node.parent = parentNode;
1316                     parentNode.items.add(node);
1317                 }
1318
1319                 // reparent node in tree...
1320
1321
1322                 // why only on no parent???
1323
1324                 //if (node.parent = null) {
1325
1326
1327
1328                 //}
1329
1330
1331                 // work out what kind of packing to use.. -- should be in
1332                 if (!node.has("pack")   && parent_str.length > 1) {
1333
1334                     this.file.palete().fillPack(node,parentNode);
1335
1336
1337                 }
1338
1339                 // add the node...
1340
1341                 this.el.set(n_iter, 0, node.nodeTitle(), 1, node.nodeTip(), -1  );
1342                 var o = new GLib.Value(typeof(Object));
1343                 o.set_object((Object)node);
1344
1345                 this.el.set_value(n_iter, 2, o);
1346
1347
1348
1349
1350         // load children - if it has any..
1351
1352                 if (node.items.size > 0) {
1353                     this.load(node.items, n_iter);
1354                     _this.view.el.expand_row(this.el.get_path(n_iter), true);
1355                 } else if (expand_parent != null && !_this.view.el.is_row_expanded(expand_parent)) {
1356                    _this.view.el.expand_row(expand_parent,true);
1357                 }
1358
1359                 //if (tp != null && (node.items.length() > 0 || pos > 1)) {
1360                 //    _this.view.el.expand_row(this.el.get_path(iter_par), true);
1361                // }
1362                 // wee need to get the empty proptypes from somewhere..
1363
1364                 //var olditer = this.activeIter;
1365                 this.activePath = this.el.get_path(n_iter).to_string();
1366
1367
1368
1369
1370                 _this.view.el.set_cursor(this.el.get_path(n_iter), null, false);
1371                 _this.changed();
1372
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     public class Xcls_LeftTreeMenu : Object
1429     {
1430         public Gtk.Menu el;
1431         private Xcls_WindowLeftTree  _this;
1432
1433
1434             // my vars (def)
1435
1436         // ctor
1437         public Xcls_LeftTreeMenu(Xcls_WindowLeftTree _owner )
1438         {
1439             _this = _owner;
1440             _this.LeftTreeMenu = this;
1441             this.el = new Gtk.Menu();
1442
1443             // my vars (dec)
1444
1445             // set gobject values
1446             var child_0 = new Xcls_MenuItem7( _this );
1447             child_0.ref();
1448             this.el.add (  child_0.el  );
1449             var child_1 = new Xcls_MenuItem8( _this );
1450             child_1.ref();
1451             this.el.add (  child_1.el  );
1452             var child_2 = new Xcls_MenuItem9( _this );
1453             child_2.ref();
1454             this.el.add (  child_2.el  );
1455         }
1456
1457         // user defined functions
1458     }
1459     public class Xcls_MenuItem7 : Object
1460     {
1461         public Gtk.MenuItem el;
1462         private Xcls_WindowLeftTree  _this;
1463
1464
1465             // my vars (def)
1466
1467         // ctor
1468         public Xcls_MenuItem7(Xcls_WindowLeftTree _owner )
1469         {
1470             _this = _owner;
1471             this.el = new Gtk.MenuItem();
1472
1473             // my vars (dec)
1474
1475             // set gobject values
1476             this.el.label = "Delete Element";
1477
1478             // listeners
1479             this.el.activate.connect( ( ) => {
1480
1481                 print("ACTIVATE?");
1482
1483
1484                  _this.model.deleteSelected();
1485             });
1486         }
1487
1488         // user defined functions
1489     }
1490     public class Xcls_MenuItem8 : Object
1491     {
1492         public Gtk.MenuItem el;
1493         private Xcls_WindowLeftTree  _this;
1494
1495
1496             // my vars (def)
1497
1498         // ctor
1499         public Xcls_MenuItem8(Xcls_WindowLeftTree _owner )
1500         {
1501             _this = _owner;
1502             this.el = new Gtk.MenuItem();
1503
1504             // my vars (dec)
1505
1506             // set gobject values
1507             this.el.label = "Save as Template";
1508
1509             // listeners
1510             this.el.activate.connect( () => {
1511
1512                  DialogSaveTemplate.singleton().show(
1513                         (Gtk.Window) _this.el.get_toplevel (),
1514                         _this.model.file.palete(),
1515                         _this.getActiveElement()
1516                 );
1517
1518
1519             });
1520         }
1521
1522         // user defined functions
1523     }
1524     public class Xcls_MenuItem9 : Object
1525     {
1526         public Gtk.MenuItem el;
1527         private Xcls_WindowLeftTree  _this;
1528
1529
1530             // my vars (def)
1531
1532         // ctor
1533         public Xcls_MenuItem9(Xcls_WindowLeftTree _owner )
1534         {
1535             _this = _owner;
1536             this.el = new Gtk.MenuItem();
1537
1538             // my vars (dec)
1539
1540             // set gobject values
1541             this.el.label = "Save as Module";
1542
1543             // listeners
1544             this.el.activate.connect( () => {
1545                 var node = _this.getActiveElement();
1546                  var name = DialogSaveModule.singleton().show(
1547                         (Gtk.Window) _this.el.get_toplevel (),
1548                         _this.model.file.project,
1549                         node
1550                  );
1551                  if (name.length < 1) {
1552                         return;
1553
1554                  }
1555                  node.props.set("* xinclude", name);
1556                  node.items.clear();
1557
1558
1559                 var s = _this.view.el.get_selection();
1560
1561                 print("GET  SELECTED?");
1562                 Gtk.TreeIter iter;
1563                 Gtk.TreeModel mod;
1564
1565
1566                 if (!s.get_selected(out mod, out iter)) {
1567                     return; // nothing seleted..
1568                 }
1569                 Gtk.TreeIter citer;
1570                 var n_cn = mod.iter_n_children(iter) -1;
1571                 for (var i = n_cn; i > -1; i--) {
1572                     mod.iter_nth_child(out citer, iter, i);
1573
1574
1575                     print("removing node from Tree\n");
1576
1577                     _this.model.el.remove(ref citer);
1578                 }
1579                 _this.changed();
1580                 _this.node_selected(node);
1581
1582
1583             });
1584         }
1585
1586         // user defined functions
1587     }
1588 }