git.roojs.org Git - app.Builder.js/blob - 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     // user defined functions
  48     public           JsRender.Node? getActiveElement () { // return path to actie node.
  49
  50          var path = this.getActivePath();
  51          if (path.length < 1) {
  52             return null;
  53          }
  54          return _this.model.pathToNode(path);
  55
  56     }
  57     public           JsRender.JsRender getActiveFile () {
  58         return this.model.file;
  59     }
  60     public           string getActivePath () {
  61         var model = this.model;
  62         var view = this.view.el;
  63         if (view.get_selection().count_selected_rows() < 1) {
  64             return "";
  65         }
  66         Gtk.TreeIter iter;
  67         Gtk.TreeModel mod;
  68         view.get_selection().get_selected(out mod, out iter);
  69         return mod.get_path(iter).to_string();
  70     }
  71     public class Xcls_view : Object
  72     {
  73         public Gtk.TreeView el;
  74         private Xcls_WindowLeftTree  _this;
  75
  76
  77             // my vars (def)
  78         public string dragData;
  79         public string[] dropList;
  80         public int drag_x;
  81         public int drag_y;
  82         public bool drag_in_motion;
  83         public bool blockChanges;
  84
  85         // ctor
  86         public Xcls_view(Xcls_WindowLeftTree _owner )
  87         {
  88             _this = _owner;
  89             _this.view = this;
  90             this.el = new Gtk.TreeView();
  91
  92             // my vars (dec)
  93             this.blockChanges = false;
  94
  95             // set gobject values
  96             this.el.tooltip_column = 1;
  97             this.el.enable_tree_lines = true;
  98             this.el.headers_visible = false;
  99             var child_0 = new Xcls_model( _this );
 100             child_0.ref();
 101             this.el.set_model (  child_0.el  );
 102             var child_1 = new Xcls_TreeViewColumn4( _this );
 103             child_1.ref();
 104             this.el.append_column (  child_1.el  );
 105
 106             // init method
 107
 108             {
 109                 var description = new Pango.FontDescription();
 110                 description.set_size(8000);
 111                 this.el.modify_font(description);
 112
 113                 var selection = this.el.get_selection();
 114                 selection.set_mode( Gtk.SelectionMode.SINGLE);
 115
 116
 117                 // is this really needed??
 118                 /*
 119                 this.selection.signal['changed'].connect(function() {
 120                     _this.get('/LeftTree.view').listeners.cursor_changed.apply(
 121                         _this.get('/LeftTree.view'), [ _this.get('/LeftTree.view'), '']
 122                     );
 123                 });
 124                 */
 125                 Gtk.drag_source_set (
 126                     this.el,            /* widget will be drag-able */
 127                     Gdk.ModifierType.BUTTON1_MASK,       /* modifier that will start a drag */
 128                     Builder4.Application.targetList,            /* lists of target to support */
 129                     Gdk.DragAction.COPY   | Gdk.DragAction.MOVE    |  Gdk.DragAction.LINK           /* what to do with data after dropped */
 130                 );
 131
 132                 // ?? needed??
 133                 //Gtk.drag_source_add_text_targets(this.el);
 134
 135                 Gtk.drag_dest_set
 136                 (
 137                     this.el,              /* widget that will accept a drop */
 138                     Gtk.DestDefaults.MOTION  | Gtk.DestDefaults.HIGHLIGHT,
 139                     Builder4.Application.targetList,            /* lists of target to support */
 140                     Gdk.DragAction.COPY   | Gdk.DragAction.MOVE   | Gdk.DragAction.LINK     /* what to do with data after dropped */
 141                 );
 142
 143                 //Gtk.drag_dest_set_target_list(this.el, Builder.Application.targetList);
 144                 //Gtk.drag_dest_add_text_targets(this.el);
 145             }
 146             // listeners
 147             this.el.button_press_event.connect( ( ev) => {
 148                 //console.log("button press?");
 149                 if (! _this.before_node_change(null) ) {
 150                    return true;
 151                 }
 152
 153
 154                 if (ev.type != Gdk.EventType.BUTTON_PRESS  || ev.button != 3) {
 155                     //print("click" + ev.type);
 156                     return false;
 157                 }
 158                 Gtk.TreePath res;
 159                 if (!_this.view.el.get_path_at_pos((int)ev.x,(int)ev.y, out res, null, null, null) ) {
 160                     return true;
 161                 }
 162
 163                 this.el.get_selection().select_path(res);
 164
 165                   //if (!this.get('/LeftTreeMenu').el)  {
 166                   //      this.get('/LeftTreeMenu').init();
 167                   //  }
 168
 169                  _this.LeftTreeMenu.el.set_screen(Gdk.Screen.get_default());
 170                  _this.LeftTreeMenu.el.show_all();
 171                   _this.LeftTreeMenu.el.popup(null, null, null,  3, ev.time);
 172                  //   print("click:" + res.path.to_string());
 173                   return true;
 174             });
 175             this.el.cursor_changed.connect( ( ) => {
 176
 177
 178                  if (this.blockChanges) { // probably not needed..
 179                    return  ;
 180                  }
 181                   if (!_this.before_node_change(null) ) {
 182                      this.blockChanges = true;
 183                      this.el.get_selection().unselect_all();
 184                      this.blockChanges = false;
 185                      return;
 186                  }
 187                  if (_this.model.file == null) {
 188                      return;
 189                  }
 190
 191                  //var render = this.get('/LeftTree').getRenderer();
 192                 print("LEFT TREE -> view -> selection changed called\n");
 193
 194
 195                 // -- it appears that the selection is not updated.
 196
 197                 GLib.Timeout.add_full(GLib.Priority.DEFAULT,10 , () => {
 198
 199
 200                         if (this.el.get_selection().count_selected_rows() < 1) {
 201
 202                             print("selected rows < 1\n");
 203                             //??this.model.load( false);
 204                             _this.node_selected(null);
 205
 206                             return false ;
 207                         }
 208
 209                             //console.log('changed');
 210                         var s = this.el.get_selection();
 211                          Gtk.TreeIter iter;
 212                          Gtk.TreeModel mod;
 213                         s.get_selected(out mod, out iter);
 214
 215
 216                         // var val = "";
 217                         GLib.Value value;
 218                         _this.model.el.get_value(iter, 2, out value);
 219                         _this.model.activePath = mod.get_path(iter).to_string();
 220
 221                         var node = (JsRender.Node)value.dup_object();
 222                         _this.node_selected(node);
 223                         return false;
 224                   });
 225                 //_this.after_node_change(node);
 226
 227             //        _this.model.file.changed(node, "tree");
 228
 229                 //Seed.print( value.get_string());
 230                 return  ;
 231
 232             });
 233             this.el.drag_begin.connect( ( ctx)  => {
 234                 //print('SOURCE: drag-begin');
 235
 236
 237                     //this.targetData = "";
 238
 239                     // find what is selected in our tree...
 240
 241                     var s = _this.view.el.get_selection();
 242                     if (s.count_selected_rows() < 1) {
 243                         return;
 244                     }
 245                     Gtk.TreeIter iter;
 246                     Gtk.TreeModel mod;
 247                     s.get_selected(out mod, out iter);
 248
 249
 250
 251                     // set some properties of the tree for use by the dropped element.
 252                     GLib.Value value;
 253                     _this.model.el.get_value(iter, 2, out value);
 254                     var tp = mod.get_path(iter).to_string();
 255                     var data = (JsRender.Node)(value.dup_object());
 256                     var xname = data.fqn();
 257                     print ("XNAME  IS " + xname+ "\n");
 258                     this.dragData = tp;
 259                     this.dropList = _this.model.file.palete().getDropList(xname);
 260
 261                     print ("DROP LIST IS " + string.joinv(", ", this.dropList) + "\n");
 262
 263
 264                     // make the drag icon a picture of the node that was selected
 265
 266
 267                 // by default returns the path..
 268                    var path = _this.model.el.get_path(iter);
 269
 270
 271                     var pix = this.el.create_row_drag_icon ( path);
 272
 273                     Gtk.drag_set_icon_surface (ctx, pix) ;
 274
 275                     return;
 276             });
 277             this.el.drag_end.connect( (drag_context) => {
 278                 //Seed.print('LEFT-TREE: drag-end');
 279                     this.dragData = "";
 280                     this.dropList = null;
 281             //        this.targetData = "";
 282                     this.highlightDropPath("",0);
 283             //        return true;
 284             });
 285             this.el.drag_motion.connect( ( ctx, x, y, time)  => {
 286                print("got drag motion\n");
 287                 var src = Gtk.drag_get_source_widget(ctx);
 288                this.drag_x = x;
 289                this.drag_y = y;
 290
 291                if (src != this.el) {
 292
 293
 294
 295                 // the point of this is to detect where an item could be dropped..
 296                     print("requesting drag data\n");
 297                    this.drag_in_motion = true;
 298
 299                         // request data that will be recieved by the recieve...
 300                     Gtk.drag_get_data
 301                     (
 302                             this.el,         // will receive 'drag-data-received' signal
 303                             ctx,        // represents the current state of the DnD
 304                             Gdk.Atom.intern("STRING",true),    // the target type we want
 305                             time            // time stamp
 306                     );
 307                     return true;
 308               }
 309
 310
 311               print("button mask?: %d\n", this.el.get_modifier_mask());
 312              //print("GETTING POS");
 313                 var  targetData = "";
 314
 315                 Gtk.TreePath path;
 316                 Gtk.TreeViewDropPosition pos;
 317                 var isOver = _this.view.el.get_dest_row_at_pos(this.drag_x,this.drag_y, out path, out pos);
 318
 319                 // if there are not items in the tree.. the we have to set isOver to true for anything..
 320                 var isEmpty = false;
 321                 if (_this.model.el.iter_n_children(null) < 1) {
 322                     print("got NO children?\n");
 323                     isOver = true; //???
 324                     isEmpty = true;
 325                     pos = Gtk.TreeViewDropPosition.INTO_OR_AFTER;
 326                 }
 327
 328
 329                 // ------------- a drag from self..
 330
 331
 332                 //var action = Gdk.DragAction.COPY;
 333                     // unless we are copying!!! ctl button..
 334
 335                 var action = (ctx.get_actions() & Gdk.DragAction.MOVE) > 0 ?
 336                              Gdk.DragAction.COPY  : Gdk.DragAction.MOVE ;
 337                             // Gdk.DragAction.MOVE : Gdk.DragAction.COPY ;
 338
 339
 340                 if (_this.model.el.iter_n_children(null) < 1) {
 341                     // no children.. -- asume it's ok..
 342
 343                     targetData = "|%d|".printf((int)Gtk.TreeViewDropPosition.INTO_OR_AFTER);
 344
 345                     this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 346                     Gdk.drag_status(ctx, action ,time);
 347                     return true;
 348
 349                     // continue through to allow drop...
 350
 351                 }
 352
 353
 354
 355
 356
 357                 //print("ISOVER? " + isOver);
 358                 if (!isOver) {
 359
 360                     Gdk.drag_status(ctx, 0 ,time);
 361                      this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 362                      return false;
 363
 364                 }
 365
 366                 // drag node is parent of child..
 367                 //console.log("SRC TREEPATH: " + src.treepath);
 368                 //console.log("TARGET TREEPATH: " + data.path.to_string());
 369
 370                 // nned to check a  few here..
 371                 //Gtk.TreeViewDropPosition.INTO_OR_AFTER
 372                 //Gtk.TreeViewDropPosition.INTO_OR_BEFORE
 373                 //Gtk.TreeViewDropPosition.AFTER
 374                 //Gtk.TreeViewDropPosition.BEFORE
 375
 376                 // locally dragged items to not really use the
 377                 var selection_text = this.dragData;
 378
 379
 380
 381                 if (selection_text == null || selection_text.length < 1) {
 382                             //print("Error  - drag selection text returned NULL");
 383                          Gdk.drag_status(ctx, 0 ,time);
 384                         this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 385                          return false;
 386                  }
 387
 388
 389                         // see if we are dragging into ourself?
 390                 print ("got selection text of  " + selection_text);
 391
 392                 var target_path = path.to_string();
 393                 //print("target_path="+target_path);
 394
 395                 //
 396                 if (selection_text  == target_path) {
 397                     print("self drag ?? == we should perhaps allow copy onto self..\n");
 398
 399                      Gdk.drag_status(ctx, 0 ,time);
 400                       this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 401                       return false;
 402             //                 -- fixme -- this is not really correct..
 403
 404                 }
 405
 406                 // check that
 407                 //print("DUMPING DATA");
 408                 //console.dump(data);
 409                 // path, pos
 410
 411                 //print(data.path.to_string() +' => '+  data.pos);
 412
 413                 // dropList is a list of xtypes that this node could be dropped on.
 414                 // it is set up when we start to drag..
 415
 416
 417                 targetData = _this.model.findDropNodeByPath( path.to_string(), this.dropList, pos);
 418
 419                 print("targetDAta: " + targetData +"\n");
 420
 421                 if (targetData.length < 1) {
 422                     //print("Can not find drop node path");
 423
 424                     Gdk.drag_status(ctx, 0, time);
 425                     this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 426                     return false;
 427                 }
 428
 429                 var td_ar = targetData.split("|");
 430
 431
 432
 433                 Gdk.drag_status(ctx, action ,time);
 434                 this.highlightDropPath(td_ar[0], (Gtk.TreeViewDropPosition)int.parse(td_ar[1]));
 435                 return true;
 436
 437
 438             });
 439             this.el.drag_data_get.connect( ( drag_context, data, info, time) => {
 440
 441
 442                              //print("drag-data-get");
 443                              var s = this.el.get_selection();
 444                              if (s.count_selected_rows() < 1) {
 445                                     data.set_text("",0);
 446                                      print("return empty string - no selection..");
 447                                     return;
 448                                 }
 449
 450                              Gtk.TreeIter iter;
 451                              Gtk.TreeModel mod;
 452
 453                              s.get_selected(out mod, out iter);
 454
 455
 456
 457                              GLib.Value value;
 458                              _this.model.el.get_value(iter, 2, out value);
 459                              var ndata = (JsRender.Node)(value.dup_object());
 460                              var xname = ndata.fqn();
 461
 462
 463                             var tp = mod.get_path(iter).to_string();
 464                             // by default returns the path..
 465
 466                            if ( info != Gdk.Atom.intern("STRING",true) ) {
 467                                 tp = ndata.toJsonString();
 468                            }
 469
 470                            //data.set_text(tp,tp.length);
 471
 472                             data.set (data.get_target (), 8, (uchar[]) tp.to_utf8 ());
 473
 474
 475                            //  print("return " + tp);
 476                         });
 477             this.el.drag_data_received.connect( (ctx, x, y, sel, info, time)  => {
 478
 479                     // THIS CODE ONLY RELATES TO drag  or drop of "NEW" elements or "FROM another tree.."
 480
 481
 482                     //  print("Tree: drag-data-received\n");
 483                     var selection_text = (string)sel.get_data();
 484                     //print("selection_text= %s\n",selection_text);
 485
 486                     var is_drag = this.drag_in_motion;
 487
 488
 489
 490                     print("Is Drag %s\n", is_drag ? "Y": "N");
 491                     var  targetData = "";
 492
 493                     Gtk.TreePath path;
 494                     Gtk.TreeViewDropPosition pos;
 495                     var isOver = _this.view.el.get_dest_row_at_pos(this.drag_x,this.drag_y, out path, out pos);
 496
 497                     // if there are not items in the tree.. the we have to set isOver to true for anything..
 498                     var isEmpty = false;
 499                     if (_this.model.el.iter_n_children(null) < 1) {
 500                         print("got NO children?\n");
 501                         isOver = true; //???
 502                         isEmpty = true;
 503                         pos = Gtk.TreeViewDropPosition.INTO_OR_AFTER;
 504                     }
 505
 506
 507                     //console.log("LEFT-TREE: drag-motion");
 508                     var src = Gtk.drag_get_source_widget(ctx);
 509
 510                     // a drag from self - this should be handled by drop and motion.
 511                     if (src == this.el) {
 512                         print("Source == this element should not happen.. ? \n");
 513                         return;
 514                     }
 515                     //print("drag_data_recieved from another element");
 516
 517
 518
 519
 520                     if (selection_text == null || selection_text.length < 1 || !isOver) {
 521                         // nothing valid foudn to drop...
 522                            print("empty sel text or not over");
 523                         if (is_drag) {
 524                             Gdk.drag_status(ctx, 0, time);
 525                             this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 526                             return;
 527                         }
 528                         Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 529                         // no drop action...
 530                         return;
 531
 532                     }
 533                     var dropNode = new JsRender.Node();
 534
 535                     var dropNodeType  = selection_text;
 536                     var show_templates = true;
 537                     // for drop
 538                     if (dropNodeType[0] == '{') {
 539                         var pa = new Json.Parser();
 540                         pa.load_from_data(dropNodeType);
 541
 542                         dropNode.loadFromJson( pa.get_root().get_object(), 2);
 543                         dropNodeType = dropNode.fqn();
 544                         show_templates = false;
 545
 546
 547                     } else {
 548
 549                         dropNode.setFqn(selection_text);
 550                     }
 551
 552
 553                     // dropList --- need to gather this ...
 554                     print("get dropList for : %s\n",dropNodeType);
 555                     var dropList = _this.model.file.palete().getDropList(dropNodeType);
 556
 557                     print("dropList: %s\n", string.joinv(" , ", dropList));
 558                     print("button mask?: %d\n", this.el.get_modifier_mask());
 559                     // if drag action is link ... then we can drop it anywahere...
 560                      //if ((ctx.get_actions() & Gdk.DragAction.LINK) > 0) {
 561                      //        targetData = "%s|%d|".printf( path.to_string(), pos);
 562                      //} else {
 563
 564
 565                         targetData = _this.model.findDropNodeByPath( isEmpty ? "" : path.to_string(), dropList, pos);
 566                    // }
 567
 568
 569
 570                     print("targetDAta: " + targetData +"\n");
 571
 572                     if (targetData.length < 1) {
 573
 574                         // invalid drop path..
 575                         if (this.drag_in_motion) {
 576                             Gdk.drag_status(ctx, 0, time);
 577                             this.highlightDropPath("", (Gtk.TreeViewDropPosition)0);
 578                             return;
 579                         }
 580                         Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 581                         // no drop action...
 582                         return;
 583                     }
 584                     // valid drop path..
 585
 586                       var td_ar = targetData.split("|");
 587
 588
 589                     if (this.drag_in_motion) {
 590                         Gdk.drag_status(ctx, Gdk.DragAction.COPY ,time);
 591
 592                         this.highlightDropPath(  td_ar[0]  , (Gtk.TreeViewDropPosition)int.parse(td_ar[1]));
 593                         return;
 594                     }
 595                     // continue on to allow drop..
 596
 597
 598                     // at this point, drag is not in motion... -- as checked above... - so it's a real drop event..
 599
 600
 601                     _this.model.dropNode(targetData, dropNode, show_templates);
 602                     print("ADD new node!!!\n");
 603
 604                     ///Xcls_DialogTemplateSelect.singleton().show( _this.model.file.palete(), node);
 605
 606                     Gtk.drag_finish (ctx, false, false,time);
 607
 608
 609
 610
 611
 612             });
 613             this.el.drag_drop.connect( (  ctx, x, y, time)  => {
 614                   //Seed.print("TARGET: drag-drop");
 615
 616
 617                 var src = Gtk.drag_get_source_widget(ctx);
 618
 619                if (src != this.el) {
 620
 621
 622
 623                    this.drag_in_motion = false;
 624                         // request data that will be recieved by the recieve...
 625                     Gtk.drag_get_data
 626                     (
 627                             this.el,         // will receive 'drag-data-received' signal
 628                             ctx,        // represents the current state of the DnD
 629                             Gdk.Atom.intern("application/json",true),    // the target type we want
 630                             time            // time stamp
 631                     );
 632
 633
 634                     // No target offered by source => error
 635
 636
 637                      return  false;
 638                  }
 639
 640                  // handle drop around self..
 641
 642
 643
 644                 //print("GETTING POS");
 645                 var  targetData = "";
 646
 647                 Gtk.TreePath path;
 648                 Gtk.TreeViewDropPosition pos;
 649                 var isOver = _this.view.el.get_dest_row_at_pos(this.drag_x,this.drag_y, out path, out pos);
 650
 651                 // if there are not items in the tree.. the we have to set isOver to true for anything..
 652                 var isEmpty = false;
 653                 if (_this.model.el.iter_n_children(null) < 1) {
 654                     print("got NO children?\n");
 655                     isOver = true; //???
 656                     isEmpty = true;
 657                     pos = Gtk.TreeViewDropPosition.INTO_OR_AFTER;
 658                 }
 659
 660
 661
 662                 //var action = Gdk.DragAction.COPY;
 663                     // unless we are copying!!! ctl button..
 664
 665                 var action = (ctx.get_actions() & Gdk.DragAction.MOVE) > 0 ?
 666                              Gdk.DragAction.COPY  : Gdk.DragAction.MOVE ;
 667                             // Gdk.DragAction.MOVE : Gdk.DragAction.COPY ;
 668
 669
 670                 if (_this.model.el.iter_n_children(null) < 1) {
 671                     // no children.. -- asume it's ok..
 672
 673                     targetData = "|%d|".printf((int)Gtk.TreeViewDropPosition.INTO_OR_AFTER);
 674
 675                     // continue through to allow drop...
 676
 677                 } else {
 678
 679
 680
 681
 682
 683                             //print("ISOVER? " + isOver);
 684                     if (!isOver) {
 685
 686                         Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 687                         return true; // not over apoint!?! - no action on drop or motion..
 688                     }
 689
 690                     // drag node is parent of child..
 691                     //console.log("SRC TREEPATH: " + src.treepath);
 692                     //console.log("TARGET TREEPATH: " + data.path.to_string());
 693
 694                     // nned to check a  few here..
 695                     //Gtk.TreeViewDropPosition.INTO_OR_AFTER
 696                     //Gtk.TreeViewDropPosition.INTO_OR_BEFORE
 697                     //Gtk.TreeViewDropPosition.AFTER
 698                     //Gtk.TreeViewDropPosition.BEFORE
 699
 700                     // locally dragged items to not really use the
 701                     var selection_text = this.dragData;
 702
 703
 704
 705                     if (selection_text == null || selection_text.length < 1) {
 706                         //print("Error  - drag selection text returned NULL");
 707
 708                          Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 709                          return true; /// -- fixme -- this is not really correct..
 710                     }
 711
 712                             // see if we are dragging into ourself?
 713                             print ("got selection text of  " + selection_text);
 714
 715                     var target_path = path.to_string();
 716                     //print("target_path="+target_path);
 717
 718                     //
 719                     if (selection_text  == target_path) {
 720                         print("self drag ?? == we should perhaps allow copy onto self..\n");
 721
 722                          Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 723
 724                          return true; /// -- fixme -- this is not really correct..
 725
 726                     }
 727
 728                     // check that
 729                     //print("DUMPING DATA");
 730                     //console.dump(data);
 731                     // path, pos
 732
 733                     //print(data.path.to_string() +' => '+  data.pos);
 734
 735                     // dropList is a list of xtypes that this node could be dropped on.
 736                     // it is set up when we start to drag..
 737
 738
 739                     targetData = _this.model.findDropNodeByPath( path.to_string(), this.dropList, pos);
 740
 741                     print("targetDAta: " + targetData +"\n");
 742
 743                     if (targetData.length < 1) {
 744                         //print("Can not find drop node path");
 745
 746                         Gtk.drag_finish (ctx, false, false, time);        // drop failed..
 747                         return true;
 748                     }
 749
 750                     var td_ar = targetData.split("|");
 751
 752
 753
 754                             // continue on to allow drop..
 755               }
 756                     // at this point, drag is not in motion... -- as checked above... - so it's a real drop event..
 757
 758
 759                  var delete_selection_data = false;
 760
 761                 if (action == Gdk.DragAction.ASK)  {
 762                     /* Ask the user to move or copy, then set the ctx action. */
 763                 }
 764
 765                 if (action == Gdk.DragAction.MOVE) {
 766                     delete_selection_data = true;
 767                 }
 768
 769                             // drag around.. - reorder..
 770                 _this.model.moveNode(targetData, action);
 771
 772
 773
 774
 775
 776                     // we can send stuff to souce here...
 777
 778
 779             // do we always say failure, so we handle the reall drop?
 780                 Gtk.drag_finish (ctx, false, false,time); //delete_selection_data, time);
 781
 782                 return true;
 783
 784
 785
 786
 787
 788
 789             });
 790         }
 791
 792         // user defined functions
 793         public           void highlightDropPath ( string treepath, Gtk.TreeViewDropPosition pos) {
 794
 795                 // highlighting for drag/drop
 796                 if (treepath.length > 0) {
 797                     this.el.set_drag_dest_row(  new  Gtk.TreePath.from_string( treepath ), pos);
 798                   } else {
 799                     this.el.set_drag_dest_row(null, Gtk.TreeViewDropPosition.INTO_OR_AFTER);
 800                  }
 801
 802         }
 803         public           void selectNode (string treepath_str) {
 804             //this.selection.select_path(new  Gtk.TreePath.from_string( treepath_str));
 805              var tp = new Gtk.TreePath.from_string(treepath_str);
 806
 807              this.el.set_cursor(tp, null, false);
 808              this.el.scroll_to_cell(tp, null, false, 0,0);
 809         }
 810     }
 811     public class Xcls_model : Object
 812     {
 813         public Gtk.TreeStore el;
 814         private Xcls_WindowLeftTree  _this;
 815
 816
 817             // my vars (def)
 818         public DialogTemplateSelect template_select;
 819         public JsRender.JsRender? file;
 820         public string activePath;
 821         public Project.Project? project;
 822
 823         // ctor
 824         public Xcls_model(Xcls_WindowLeftTree _owner )
 825         {
 826             _this = _owner;
 827             _this.model = this;
 828             this.el = new Gtk.TreeStore( 3, typeof(string),typeof(string),typeof(Object) );
 829
 830             // my vars (dec)
 831             this.template_select = null;
 832             this.file = null;
 833             this.activePath = "";
 834             this.project = null;
 835
 836             // set gobject values
 837
 838             // init method
 839
 840             print("model initialized");        }
 841
 842         // user defined functions
 843         public           string findDropNode (string treepath_str, string[] targets) {
 844
 845             // this is used by the dragdrop code in the roo version AFAIR..
 846
 847             //var path = treepath_str.replace(/^builder-/, '');
 848             // treemap is depreciated... - should really check if model has any entries..
 849
 850             if (this.el.iter_n_children(null) < 1) {
 851                 //print("NO KEYS");
 852                 return "|%d".printf((int)Gtk.TreeViewDropPosition.INTO_OR_AFTER);
 853             }
 854             //print("FIND treepath: " + path);
 855             //console.dump(this.treemap);
 856
 857             //if (!treepath_str.match(/^builder-/)) {
 858             //    return []; // nothing!
 859             //}
 860             if (targets.length > 0 && targets[0] == "*") {
 861                 return  treepath_str;
 862             }
 863             return this.findDropNodeByPath(treepath_str,targets, -1);
 864         }
 865         public           void loadFile (JsRender.JsRender f) {
 866             //console.dump(f);
 867             this.el.clear();
 868             this.file = f;
 869
 870
 871         //    if (!f) {
 872         //        console.log('missing file');
 873         //        return;
 874         //    }
 875
 876             // load the file if not loaded..
 877             if (f.tree == null) {
 878                 f.loadItems( );
 879             }
 880             // if it's still null?
 881             if (f.tree == null) {
 882                 return;
 883             }
 884
 885             /// this.get('/Window').setTitle(f.project.getName() + ' - ' + f.name);
 886
 887             //if (f.items.length && typeof(f.items[0]) == 'string') {
 888
 889                 //this.get('/RightEditor').el.show();
 890                 //this.get('/RightEditor.view').load( f.items[0]);
 891             //    return;
 892             //}
 893             //print("LOAD");
 894             //print(JSON.stringify(f.items, null,4));
 895             //console.dump(f.items);
 896             var o = new Gee.ArrayList<JsRender.Node>();
 897             o.add(f.tree);
 898             this.load(o,null);
 899
 900             _this.view.el.expand_all();
 901
 902             if (f.tree.items.size < 1) {
 903                 // single item..
 904
 905                 //this.get('/Window.leftvpaned').el.set_position(80);
 906                 // select first...
 907                 _this.view.el.set_cursor(
 908                     new  Gtk.TreePath.from_string("0"), null, false);
 909
 910
 911             } else {
 912                   //this.get('/Window.leftvpaned').el.set_position(200);
 913             }
 914
 915             return;
 916             /*
 917
 918             //print("hide right editior");
 919             //this.get('/RightEditor').el.hide();
 920             //this.get('/Editor').el.hide();
 921             //print("set current tree");
 922             //this.currentTree = this.toJS(false, false)[0];
 923             //console.dump(this.currentTree);
 924             //this.currentTree = this.currentTree || { items: [] };
 925             //_this.renderView();
 926             //console.dump(this.map);
 927             //var RightPalete     = imports.Builder.RightPalete.RightPalete;
 928
 929
 930             var pm = this.get('/RightPalete.model');
 931             // set up provider..
 932
 933             this.get('/RightPalete').provider = this.get('/LeftTree').getPaleteProvider();
 934
 935             if (!this.get('/RightPalete').provider) {
 936                 print ("********* PALETE PROVIDER MISSING?!!");
 937             }
 938             this.get('/LeftTree').renderView();
 939
 940             pm.load( this.get('/LeftTree').getPaleteProvider().gatherList(this.listAllTypes()));
 941
 942
 943
 944             this.get('/Window.view-notebook').el.set_current_page(
 945                 this.get('/LeftTree.model').file.getType()== 'Roo' ? 0 : -1);
 946                 */
 947
 948         }
 949         public    void updateSelected () {
 950
 951
 952             var s = _this.view.el.get_selection();
 953
 954              Gtk.TreeIter iter;
 955             Gtk.TreeModel mod;
 956
 957
 958
 959             if (!s.get_selected(out mod, out iter)) {
 960                 return; // nothing seleted..
 961             }
 962
 963           GLib.Value value;
 964             this.el.get_value(iter, 2, out value);
 965             var node = (JsRender.Node)(value.get_object());
 966
 967               this.el.set(iter, 0, node.nodeTitle(),
 968                         1, node.nodeTip(), -1
 969                 );
 970         }
 971         public           string findDropNodeByPath (string treepath_str, string[] targets, int in_pref = -1) {
 972
 973             var path = treepath_str; // dupe it..
 974
 975             int pref = in_pref < 0  ?  Gtk.TreeViewDropPosition.INTO_OR_AFTER : in_pref;
 976
 977             var last = "";
 978
 979             //console.dump(this.treemap);
 980
 981             print("findDropNodeByPath : got path length %d / %s\n", path.length, path);
 982
 983             if (path.length == 0) {
 984                 // top drop. // just return empty..
 985                 return "|%d".printf((int)pref) ;
 986
 987             }
 988
 989
 990             while (path.length > 0) {
 991                 //print("LOOKING FOR PATH: " + path);
 992                 var node_data = this.pathToNode(path);
 993
 994                 if (node_data == null) {
 995                     print("node not found");
 996                     return null;
 997                 }
 998
 999                 var xname = node_data.fqn();
1000                 var match = "";
1001                 var prop = "";
1002
1003                 for (var i =0; i < targets.length; i++)  {
1004                     var tg = targets[i];
1005                     if ((tg == xname)  ) {
1006                         match = tg;
1007                         break;
1008                     }
1009                     // if target is "xxxx:name"
1010                     if (tg.contains(xname +":")) {
1011                         match = tg;
1012                         var ar = tg.split(":");
1013                         prop = ar[1];
1014                         break;
1015                     }
1016                 }
1017
1018                 if (match.length > 0) {
1019                     if (last.length > 0) { // pref is after/before..
1020                         // then it's after last
1021                         if (pref > 1) {
1022                             return "";
1023                         }
1024                         return last + "|%d".printf((int)pref) + "|" + prop;
1025
1026
1027                     }
1028                     return path + "|%d".printf( (int) Gtk.TreeViewDropPosition.INTO_OR_AFTER) + "|" + prop;
1029                 }
1030                 last = "" + path;
1031                 var par = path.split(":");
1032                 string [] ppar = {};
1033                 for (var i = 0; i < par.length-1; i++) {
1034                     ppar += par[i];
1035                 }
1036
1037                 path = string.joinv(":", ppar);
1038
1039
1040             }
1041
1042             return "";
1043
1044         }
1045         public           void moveNode (string target_data, Gdk.DragAction action)
1046         {
1047
1048            /// target_data = "path|pos");
1049
1050
1051             //print("MOVE NODE");
1052             // console.dump(target_data);
1053             Gtk.TreeIter old_iter;
1054             Gtk.TreeModel mod;
1055
1056             var s = _this.view.el.get_selection();
1057             s.get_selected(out mod , out old_iter);
1058             mod.get_path(old_iter);
1059
1060             var node = this.pathToNode(mod.get_path(old_iter).to_string());
1061             //console.dump(node);
1062             if (node == null) {
1063                 print("moveNode: ERROR - node is null?");
1064             }
1065
1066
1067
1068             // needs to drop first, otherwise the target_data
1069             // treepath will be invalid.
1070
1071
1072             if ((action & Gdk.DragAction.MOVE) > 0) {
1073                     print("REMOVING OLD NODE : " + target_data + "\n");
1074                     node.remove();
1075                     this.dropNode(target_data, node, false);
1076                     this.el.remove(ref old_iter);
1077
1078
1079
1080             } else {
1081                 print("DROPPING NODE // copy: " + target_data + "\n");
1082                 node = node.deepClone();
1083                 this.dropNode(target_data, node, false);
1084             }
1085             _this.changed();
1086             this.activePath= "";
1087             //this.updateNode(false,true);
1088         }
1089         public           void load (Gee.ArrayList<JsRender.Node> tr, Gtk.TreeIter? iter)
1090         {
1091             Gtk.TreeIter citer;
1092             //this.insert(citer,iter,0);
1093             for(var i =0 ; i < tr.size; i++) {
1094                 if (iter != null) {
1095                     this.el.insert(out citer,iter,-1); // why not append?
1096                 } else {
1097                     this.el.append(out citer,null);
1098                 }
1099
1100                 this.el.set(citer, 0, tr.get(i).nodeTitle(),
1101                         1, tr.get(i).nodeTip(), -1
1102                 );
1103                 var o = new GLib.Value(typeof(Object));
1104                 o.set_object((Object)tr.get(i));
1105
1106                 this.el.set_value(citer, 2, o);
1107
1108                 if (tr.get(i).items.size > 0) {
1109                     this.load(tr.get(i).items, citer);
1110                 }
1111
1112             }
1113
1114
1115         }
1116         public           void deleteSelected () {
1117
1118             print("DELETE SELECTED?");
1119             //_this.view.blockChanges = true;
1120             print("GET SELECTION?");
1121
1122             var s = _this.view.el.get_selection();
1123
1124             print("GET  SELECTED?");
1125            Gtk.TreeIter iter;
1126             Gtk.TreeModel mod;
1127
1128
1129             if (!s.get_selected(out mod, out iter)) {
1130                 return; // nothing seleted..
1131             }
1132
1133
1134
1135             this.activePath= "";
1136             print("GET  vnode value?");
1137
1138             GLib.Value value;
1139             this.el.get_value(iter, 2, out value);
1140             var data = (JsRender.Node)(value.get_object());
1141             print("removing node from Render\n");
1142             if (data.parent == null) {
1143                 this.file.tree = null;
1144             } else {
1145                 data.remove();
1146             }
1147             print("removing node from Tree\n");
1148             s.unselect_all();
1149             this.el.remove(ref iter);
1150
1151
1152
1153
1154             //
1155
1156
1157
1158
1159             this.activePath= ""; // again!?!?
1160             //this.changed(null,true);
1161
1162             _this.changed();
1163
1164             _this.view.blockChanges = false;
1165         }
1166         public           JsRender.Node pathToNode (string path) {
1167
1168
1169              Gtk.TreeIter   iter;
1170              _this.model.el.get_iter_from_string(out iter, path);
1171
1172              GLib.Value value;
1173              _this.model.el.get_value(iter, 2, out value);
1174
1175              return (JsRender.Node)value.dup_object();
1176
1177         }
1178         public           void dropNode (string target_data_str, JsRender.Node node, bool show_templates) {
1179         //         print("drop Node");
1180              // console.dump(node);
1181           //    console.dump(target_data);
1182
1183
1184                 // 0 = before , 1=after 2/3 onto
1185
1186
1187                 var target_data= target_data_str.split("|");
1188
1189                 var parent_str = target_data[0].length > 0 ? target_data[0] : "";
1190                 var pos = target_data.length > 1 ? int.parse(target_data[1]) : 2; // ontop..
1191
1192
1193                 Gtk.TreePath tree_path  =   parent_str.length > 0 ? new  Gtk.TreePath.from_string( parent_str ) : null;
1194
1195
1196
1197                 //print("add " + tp + "@" + target_data[1]  );
1198
1199                 JsRender.Node parentNode = null;
1200
1201                 Gtk.TreeIter iter_after;
1202                 Gtk.TreeIter iter_par ;
1203
1204
1205                  if (target_data.length == 3 && target_data[2].length > 0) {
1206                     node.props.set("* prop", target_data[2]);
1207                 }
1208
1209                 Gtk.TreePath expand_parent = null;
1210
1211                 // we only need to show the template if it's come from else where?
1212                  if (show_templates) {
1213
1214                     if (this.template_select == null) {
1215                         this.template_select = new DialogTemplateSelect();
1216                      }
1217
1218                      var new_node = this.template_select.show(
1219                           (Gtk.Window) _this.el.get_toplevel (),
1220                               this.file.palete(),
1221                            node);
1222
1223                      if (new_node != null) {
1224                          node = new_node;
1225                      }
1226                 }
1227
1228                  //print("pos is %d  \n".printf(pos));
1229
1230                  Gtk.TreeIter n_iter;
1231
1232                  if ( parent_str.length < 1) {
1233                       this.el.append(out n_iter, null); // drop at top level..
1234                       node.parent = null;
1235                       this.file.tree = node;
1236
1237
1238                 } else   if (pos  < 2) {
1239                     //print(target_data[1]  > 0 ? 'insert_after' : 'insert_before');
1240
1241                     this.el.get_iter(out iter_after, tree_path );
1242                     this.el.iter_parent(out iter_par, iter_after);
1243                     expand_parent = this.el.get_path(iter_par);
1244
1245                     GLib.Value value;
1246                     this.el.get_value( iter_par, 2, out value);
1247                     parentNode =  (JsRender.Node)value.dup_object();
1248
1249
1250                     this.el.get_value( iter_after, 2, out value);
1251                     var relNode =  (JsRender.Node)value.dup_object();
1252
1253                     if ( pos  > 0 ) {
1254
1255                         this.el.insert_after(out n_iter,    iter_par  , iter_after);
1256                         var ix = parentNode.items.index_of(relNode);
1257                         parentNode.items.insert(ix+1, node);
1258
1259                     } else {
1260                         this.el.insert_before(out n_iter,  iter_par  , iter_after);
1261                         var ix = parentNode.items.index_of(relNode);
1262                         parentNode.items.insert(ix, node);
1263
1264                     }
1265                     node.parent = parentNode;
1266
1267
1268
1269                 } else {
1270                    //  print("appending to  " + parent_str);
1271                     this.el.get_iter(out iter_par, tree_path);
1272                     this.el.append(out n_iter,   iter_par );
1273                     expand_parent = this.el.get_path(iter_par);
1274
1275                     GLib.Value value;
1276                     this.el.get_value( iter_par, 2, out value);
1277                     parentNode =  (JsRender.Node)value.dup_object();
1278                     node.parent = parentNode;
1279                     parentNode.items.add(node);
1280                 }
1281
1282                 // reparent node in tree...
1283
1284
1285                 // why only on no parent???
1286
1287                 //if (node.parent = null) {
1288
1289
1290
1291                 //}
1292
1293
1294                 // work out what kind of packing to use.. -- should be in
1295                 if (!node.has("pack")   && parent_str.length > 1) {
1296
1297                     this.file.palete().fillPack(node,parentNode);
1298
1299
1300                 }
1301
1302                 // add the node...
1303
1304                 this.el.set(n_iter, 0, node.nodeTitle(), 1, node.nodeTip(), -1  );
1305                 var o = new GLib.Value(typeof(Object));
1306                 o.set_object((Object)node);
1307
1308                 this.el.set_value(n_iter, 2, o);
1309
1310
1311
1312
1313         // load children - if it has any..
1314
1315                 if (node.items.size > 0) {
1316                     this.load(node.items, n_iter);
1317                     _this.view.el.expand_row(this.el.get_path(n_iter), true);
1318                 } else if (expand_parent != null && !_this.view.el.is_row_expanded(expand_parent)) {
1319                    _this.view.el.expand_row(expand_parent,true);
1320                 }
1321
1322                 //if (tp != null && (node.items.length() > 0 || pos > 1)) {
1323                 //    _this.view.el.expand_row(this.el.get_path(iter_par), true);
1324                // }
1325                 // wee need to get the empty proptypes from somewhere..
1326
1327                 //var olditer = this.activeIter;
1328                 this.activePath = this.el.get_path(n_iter).to_string();
1329
1330
1331
1332
1333                 _this.view.el.set_cursor(this.el.get_path(n_iter), null, false);
1334                 _this.changed();
1335
1336
1337
1338         }
1339     }
1340     public class Xcls_TreeViewColumn4 : Object
1341     {
1342         public Gtk.TreeViewColumn el;
1343         private Xcls_WindowLeftTree  _this;
1344
1345
1346             // my vars (def)
1347
1348         // ctor
1349         public Xcls_TreeViewColumn4(Xcls_WindowLeftTree _owner )
1350         {
1351             _this = _owner;
1352             this.el = new Gtk.TreeViewColumn();
1353
1354             // my vars (dec)
1355
1356             // set gobject values
1357             this.el.title = "test";
1358             var child_0 = new Xcls_renderer( _this );
1359             child_0.ref();
1360             this.el.pack_start (  child_0.el , true );
1361
1362             // init method
1363
1364             this.el.add_attribute(_this.renderer.el , "markup", 0 );        }
1365
1366         // user defined functions
1367     }
1368     public class Xcls_renderer : Object
1369     {
1370         public Gtk.CellRendererText el;
1371         private Xcls_WindowLeftTree  _this;
1372
1373
1374             // my vars (def)
1375
1376         // ctor
1377         public Xcls_renderer(Xcls_WindowLeftTree _owner )
1378         {
1379             _this = _owner;
1380             _this.renderer = this;
1381             this.el = new Gtk.CellRendererText();
1382
1383             // my vars (dec)
1384
1385             // set gobject values
1386         }
1387
1388         // user defined functions
1389     }
1390     public class Xcls_LeftTreeMenu : Object
1391     {
1392         public Gtk.Menu el;
1393         private Xcls_WindowLeftTree  _this;
1394
1395
1396             // my vars (def)
1397
1398         // ctor
1399         public Xcls_LeftTreeMenu(Xcls_WindowLeftTree _owner )
1400         {
1401             _this = _owner;
1402             _this.LeftTreeMenu = this;
1403             this.el = new Gtk.Menu();
1404
1405             // my vars (dec)
1406
1407             // set gobject values
1408             var child_0 = new Xcls_MenuItem7( _this );
1409             child_0.ref();
1410             this.el.add (  child_0.el  );
1411             var child_1 = new Xcls_MenuItem8( _this );
1412             child_1.ref();
1413             this.el.add (  child_1.el  );
1414             var child_2 = new Xcls_MenuItem9( _this );
1415             child_2.ref();
1416             this.el.add (  child_2.el  );
1417         }
1418
1419         // user defined functions
1420     }
1421     public class Xcls_MenuItem7 : Object
1422     {
1423         public Gtk.MenuItem el;
1424         private Xcls_WindowLeftTree  _this;
1425
1426
1427             // my vars (def)
1428
1429         // ctor
1430         public Xcls_MenuItem7(Xcls_WindowLeftTree _owner )
1431         {
1432             _this = _owner;
1433             this.el = new Gtk.MenuItem();
1434
1435             // my vars (dec)
1436
1437             // set gobject values
1438             this.el.label = "Delete Element";
1439
1440             // listeners
1441             this.el.activate.connect( ( ) => {
1442
1443                 print("ACTIVATE?");
1444
1445
1446                  _this.model.deleteSelected();
1447             });
1448         }
1449
1450         // user defined functions
1451     }
1452     public class Xcls_MenuItem8 : Object
1453     {
1454         public Gtk.MenuItem el;
1455         private Xcls_WindowLeftTree  _this;
1456
1457
1458             // my vars (def)
1459
1460         // ctor
1461         public Xcls_MenuItem8(Xcls_WindowLeftTree _owner )
1462         {
1463             _this = _owner;
1464             this.el = new Gtk.MenuItem();
1465
1466             // my vars (dec)
1467
1468             // set gobject values
1469             this.el.label = "Save as Template";
1470
1471             // listeners
1472             this.el.activate.connect( () => {
1473
1474                  DialogSaveTemplate.singleton().show(
1475                         (Gtk.Window) _this.el.get_toplevel (),
1476                         _this.model.file.palete(),
1477                         _this.getActiveElement()
1478                 );
1479
1480
1481             });
1482         }
1483
1484         // user defined functions
1485     }
1486     public class Xcls_MenuItem9 : Object
1487     {
1488         public Gtk.MenuItem el;
1489         private Xcls_WindowLeftTree  _this;
1490
1491
1492             // my vars (def)
1493
1494         // ctor
1495         public Xcls_MenuItem9(Xcls_WindowLeftTree _owner )
1496         {
1497             _this = _owner;
1498             this.el = new Gtk.MenuItem();
1499
1500             // my vars (dec)
1501
1502             // set gobject values
1503             this.el.label = "Save as Module";
1504
1505             // listeners
1506             this.el.activate.connect( () => {
1507                 var node = _this.getActiveElement();
1508                  var name = DialogSaveModule.singleton().show(
1509                         (Gtk.Window) _this.el.get_toplevel (),
1510                         _this.model.file.project,
1511                         node
1512                  );
1513                  if (name.length < 1) {
1514                         return;
1515
1516                  }
1517                  node.props.set("* xinclude", name);
1518                  node.items.clear();
1519
1520
1521                 var s = _this.view.el.get_selection();
1522
1523                 print("GET  SELECTED?");
1524                 Gtk.TreeIter iter;
1525                 Gtk.TreeModel mod;
1526
1527
1528                 if (!s.get_selected(out mod, out iter)) {
1529                     return; // nothing seleted..
1530                 }
1531                 Gtk.TreeIter citer;
1532                 var n_cn = mod.iter_n_children(iter) -1;
1533                 for (var i = n_cn; i > -1; i--) {
1534                     mod.iter_nth_child(out citer, iter, i);
1535
1536
1537                     print("removing node from Tree\n");
1538
1539                     _this.model.el.remove(ref citer);
1540                 }
1541                 _this.changed();
1542                 _this.node_selected(node);
1543
1544
1545             });
1546         }
1547
1548         // user defined functions
1549     }
1550 }