samples/treectrl/treetest.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        treetest.cpp
   3 // Purpose:     wxTreeCtrl sample
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13   #pragma implementation
  14   #pragma interface
  15 #endif
  16
  17 // For compilers that support precompilation, includes "wx/wx.h".
  18 #include "wx/wxprec.h"
  19
  20 #ifdef __BORLANDC__
  21   #pragma hdrstop
  22 #endif
  23
  24 #ifndef WX_PRECOMP
  25   #include "wx/wx.h"
  26 #endif
  27
  28 #include "wx/log.h"
  29
  30 #include "wx/image.h"
  31 #include "wx/imaglist.h"
  32 #include "wx/treectrl.h"
  33
  34 #include "math.h"
  35
  36 #include "treetest.h"
  37
  38 #define USE_TR_HAS_VARIABLE_ROW_HIGHT 1
  39
  40 // under Windows the icons are in the .rc file
  41 #ifndef __WXMSW__
  42 #if !USE_TR_HAS_VARIABLE_ROW_HIGHT
  43   #include "icon1.xpm"
  44 #endif
  45   #include "icon2.xpm"
  46   #include "mondrian.xpm"
  47 #endif
  48
  49
  50 // verify that the item is ok and insult the user if it is not
  51 #define CHECK_ITEM( item ) if ( !item.IsOk() ) {                            \
  52                              wxMessageBox("Please select some item first!", \
  53                                           "Tree sample error",              \
  54                                           wxOK | wxICON_EXCLAMATION,        \
  55                                           this);                            \
  56                              return;                                        \
  57                            }
  58
  59 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
  60     EVT_MENU(TreeTest_Quit, MyFrame::OnQuit)
  61     EVT_MENU(TreeTest_About, MyFrame::OnAbout)
  62     EVT_MENU(TreeTest_Dump, MyFrame::OnDump)
  63     EVT_MENU(TreeTest_Dump_Selected, MyFrame::OnDumpSelected)
  64     EVT_MENU(TreeTest_Rename, MyFrame::OnRename)
  65     EVT_MENU(TreeTest_Sort, MyFrame::OnSort)
  66     EVT_MENU(TreeTest_SortRev, MyFrame::OnSortRev)
  67     EVT_MENU(TreeTest_Bold, MyFrame::OnSetBold)
  68     EVT_MENU(TreeTest_UnBold, MyFrame::OnClearBold)
  69     EVT_MENU(TreeTest_Delete, MyFrame::OnDelete)
  70     EVT_MENU(TreeTest_DeleteChildren, MyFrame::OnDeleteChildren)
  71     EVT_MENU(TreeTest_DeleteAll, MyFrame::OnDeleteAll)
  72     EVT_MENU(TreeTest_Recreate, MyFrame::OnRecreate)
  73     EVT_MENU(TreeTest_CollapseAndReset, MyFrame::OnCollapseAndReset)
  74     EVT_MENU(TreeTest_EnsureVisible, MyFrame::OnEnsureVisible)
  75     EVT_MENU(TreeTest_AddItem, MyFrame::OnAddItem)
  76     EVT_MENU(TreeTest_IncIndent, MyFrame::OnIncIndent)
  77     EVT_MENU(TreeTest_DecIndent, MyFrame::OnDecIndent)
  78     EVT_MENU(TreeTest_IncSpacing, MyFrame::OnIncSpacing)
  79     EVT_MENU(TreeTest_DecSpacing, MyFrame::OnDecSpacing)
  80 END_EVENT_TABLE()
  81
  82 BEGIN_EVENT_TABLE(MyTreeCtrl, wxTreeCtrl)
  83     EVT_TREE_BEGIN_DRAG(TreeTest_Ctrl, MyTreeCtrl::OnBeginDrag)
  84     EVT_TREE_BEGIN_RDRAG(TreeTest_Ctrl, MyTreeCtrl::OnBeginRDrag)
  85     EVT_TREE_BEGIN_LABEL_EDIT(TreeTest_Ctrl, MyTreeCtrl::OnBeginLabelEdit)
  86     EVT_TREE_END_LABEL_EDIT(TreeTest_Ctrl, MyTreeCtrl::OnEndLabelEdit)
  87     EVT_TREE_DELETE_ITEM(TreeTest_Ctrl, MyTreeCtrl::OnDeleteItem)
  88     EVT_TREE_GET_INFO(TreeTest_Ctrl, MyTreeCtrl::OnGetInfo)
  89     EVT_TREE_SET_INFO(TreeTest_Ctrl, MyTreeCtrl::OnSetInfo)
  90     EVT_TREE_ITEM_EXPANDED(TreeTest_Ctrl, MyTreeCtrl::OnItemExpanded)
  91     EVT_TREE_ITEM_EXPANDING(TreeTest_Ctrl, MyTreeCtrl::OnItemExpanding)
  92     EVT_TREE_ITEM_COLLAPSED(TreeTest_Ctrl, MyTreeCtrl::OnItemCollapsed)
  93     EVT_TREE_ITEM_COLLAPSING(TreeTest_Ctrl, MyTreeCtrl::OnItemCollapsing)
  94     EVT_TREE_SEL_CHANGED(TreeTest_Ctrl, MyTreeCtrl::OnSelChanged)
  95     EVT_TREE_SEL_CHANGING(TreeTest_Ctrl, MyTreeCtrl::OnSelChanging)
  96     EVT_TREE_KEY_DOWN(TreeTest_Ctrl, MyTreeCtrl::OnTreeKeyDown)
  97     EVT_TREE_ITEM_ACTIVATED(TreeTest_Ctrl, MyTreeCtrl::OnItemActivated)
  98     EVT_RIGHT_DCLICK(MyTreeCtrl::OnRMouseDClick)
  99 END_EVENT_TABLE()
 100
 101 IMPLEMENT_APP(MyApp)
 102
 103 bool MyApp::OnInit()
 104 {
 105     // Create the main frame window
 106     MyFrame *frame = new MyFrame("wxTreeCtrl Test", 50, 50, 450, 340);
 107
 108     // Show the frame
 109     frame->Show(TRUE);
 110     SetTopWindow(frame);
 111
 112     return TRUE;
 113 }
 114
 115
 116 // My frame constructor
 117 MyFrame::MyFrame(const wxString& title, int x, int y, int w, int h)
 118        : wxFrame((wxFrame *)NULL, -1, title, wxPoint(x, y), wxSize(w, h))
 119 {
 120     // This reduces flicker effects - even better would be to define
 121     // OnEraseBackground to do nothing. When the tree control's scrollbars are
 122     // show or hidden, the frame is sent a background erase event.
 123     SetBackgroundColour(wxColour(255, 255, 255));
 124
 125     // Give it an icon
 126     SetIcon(wxICON(mondrian));
 127
 128     // Make a menubar
 129     wxMenu *file_menu = new wxMenu,
 130            *tree_menu = new wxMenu,
 131            *item_menu = new wxMenu;
 132
 133     file_menu->Append(TreeTest_About, "&About...");
 134     file_menu->AppendSeparator();
 135     file_menu->Append(TreeTest_Quit, "E&xit");
 136
 137     tree_menu->Append(TreeTest_Recreate, "&Recreate the tree");
 138     tree_menu->Append(TreeTest_CollapseAndReset, "C&ollapse and reset");
 139     tree_menu->AppendSeparator();
 140     tree_menu->Append(TreeTest_AddItem, "Append a &new item");
 141     tree_menu->Append(TreeTest_Delete, "&Delete this item");
 142     tree_menu->Append(TreeTest_DeleteChildren, "Delete &children");
 143     tree_menu->Append(TreeTest_DeleteAll, "Delete &all items");
 144     tree_menu->AppendSeparator();
 145     tree_menu->Append(TreeTest_Sort, "Sort children of current item");
 146     tree_menu->Append(TreeTest_SortRev, "Sort in reversed order");
 147     tree_menu->AppendSeparator();
 148     tree_menu->Append(TreeTest_EnsureVisible, "Make the last item &visible");
 149     tree_menu->AppendSeparator();
 150     tree_menu->Append(TreeTest_IncIndent, "Add 5 points to indentation\tAlt-I");
 151     tree_menu->Append(TreeTest_DecIndent, "Reduce indentation by 5 points\tAlt-R");
 152     tree_menu->AppendSeparator();
 153     tree_menu->Append(TreeTest_IncSpacing, "Add 5 points to spacing\tCtrl-I");
 154     tree_menu->Append(TreeTest_DecSpacing, "Reduce spacing by 5 points\tCtrl-R");
 155
 156     item_menu->AppendSeparator();
 157     item_menu->Append(TreeTest_Dump, "&Dump item children");
 158     item_menu->Append(TreeTest_Dump_Selected, "Dump selected items\tAlt-S");
 159     item_menu->Append(TreeTest_Rename, "&Rename item...");
 160
 161     item_menu->AppendSeparator();
 162     item_menu->Append(TreeTest_Bold, "Make item &bold");
 163     item_menu->Append(TreeTest_UnBold, "Make item &not bold");
 164
 165     wxMenuBar *menu_bar = new wxMenuBar;
 166     menu_bar->Append(file_menu, "&File");
 167     menu_bar->Append(tree_menu, "&Tree");
 168     menu_bar->Append(item_menu, "&Item");
 169     SetMenuBar(menu_bar);
 170
 171     m_treeCtrl = new MyTreeCtrl(this, TreeTest_Ctrl,
 172                                 wxDefaultPosition, wxDefaultSize,
 173                                 wxTR_HAS_BUTTONS |
 174                                 wxTR_MULTIPLE |
 175 #if USE_TR_HAS_VARIABLE_ROW_HIGHT
 176                                 wxTR_HAS_VARIABLE_ROW_HIGHT |
 177 #endif
 178                                 wxSUNKEN_BORDER);
 179     wxTextCtrl *textCtrl = new wxTextCtrl(this, -1, "",
 180                                 wxDefaultPosition, wxDefaultSize,
 181                                 wxTE_MULTILINE | wxSUNKEN_BORDER);
 182
 183     wxLayoutConstraints *c = new wxLayoutConstraints;
 184     c->top.SameAs(this, wxTop);
 185     c->left.SameAs(this, wxLeft);
 186     c->right.SameAs(this, wxRight);
 187     c->height.PercentOf(this, wxHeight, 66);
 188     m_treeCtrl->SetConstraints(c);
 189
 190     c = new wxLayoutConstraints;
 191     c->top.Below(m_treeCtrl);
 192     c->left.SameAs(this, wxLeft);
 193     c->right.SameAs(this, wxRight);
 194     c->bottom.SameAs(this, wxBottom);
 195     textCtrl->SetConstraints(c);
 196     SetAutoLayout(TRUE);
 197
 198     // create a status bar with 3 panes
 199     CreateStatusBar(3);
 200     SetStatusText("", 0);
 201
 202 #ifdef __WXMOTIF__
 203     // For some reason, we get a memcpy crash in wxLogStream::DoLogStream
 204     // on gcc/wxMotif, if we use wxLogTextCtl. Maybe it's just gcc?
 205     delete wxLog::SetActiveTarget(new wxLogStderr);
 206 #else
 207     // set our text control as the log target
 208     wxLogTextCtrl *logWindow = new wxLogTextCtrl(textCtrl);
 209     delete wxLog::SetActiveTarget(logWindow);
 210 #endif
 211 }
 212
 213 MyFrame::~MyFrame()
 214 {
 215     delete wxLog::SetActiveTarget(NULL);
 216 }
 217
 218 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 219 {
 220     Close(TRUE);
 221 }
 222
 223 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 224 {
 225     wxMessageBox("Tree test sample\n"
 226                  "Julian Smart (c) 1997,\n"
 227                  "Vadim Zeitlin (c) 1998",
 228                  "About tree test",
 229                  wxOK | wxICON_INFORMATION, this);
 230 }
 231
 232 void MyFrame::OnRename(wxCommandEvent& WXUNUSED(event))
 233 {
 234     wxTreeItemId item = m_treeCtrl->GetSelection();
 235
 236     CHECK_ITEM( item );
 237
 238     static wxString s_text;
 239     s_text = wxGetTextFromUser("New name: ", "Tree sample question",
 240             s_text, this);
 241     if ( !s_text.IsEmpty() )
 242     {
 243         m_treeCtrl->SetItemText(item, s_text);
 244     }
 245 }
 246
 247 void MyFrame::DoSort(bool reverse)
 248 {
 249     wxTreeItemId item = m_treeCtrl->GetSelection();
 250
 251     CHECK_ITEM( item );
 252
 253     m_treeCtrl->DoSortChildren(item, reverse);
 254 }
 255
 256 void MyFrame::OnDump(wxCommandEvent& WXUNUSED(event))
 257 {
 258     wxTreeItemId root = m_treeCtrl->GetSelection();
 259
 260     CHECK_ITEM( root );
 261
 262     m_treeCtrl->GetItemsRecursively(root, -1);
 263 }
 264
 265 void MyFrame::OnDumpSelected(wxCommandEvent& WXUNUSED(event))
 266 {
 267     wxArrayTreeItemIds array;
 268
 269     m_treeCtrl->GetSelections(array);
 270     size_t nos=array.Count();
 271     wxLogMessage(wxString("items selected : ")<< (int)nos);
 272
 273     for (size_t n=0; n<nos; ++n)
 274       wxLogMessage(m_treeCtrl->GetItemText(array.Item(n)));
 275 }
 276
 277 void MyFrame::DoSetBold(bool bold)
 278 {
 279     wxTreeItemId item = m_treeCtrl->GetSelection();
 280
 281     CHECK_ITEM( item );
 282
 283     m_treeCtrl->SetItemBold(item, bold);
 284 }
 285
 286 void MyFrame::OnDelete(wxCommandEvent& WXUNUSED(event))
 287 {
 288     wxTreeItemId item = m_treeCtrl->GetSelection();
 289
 290     CHECK_ITEM( item );
 291
 292     m_treeCtrl->Delete(item);
 293 }
 294
 295 void MyFrame::OnDeleteChildren(wxCommandEvent& WXUNUSED(event))
 296 {
 297     wxTreeItemId item = m_treeCtrl->GetSelection();
 298
 299     CHECK_ITEM( item );
 300
 301     m_treeCtrl->DeleteChildren(item);
 302 }
 303
 304 void MyFrame::OnDeleteAll(wxCommandEvent& WXUNUSED(event))
 305 {
 306     m_treeCtrl->DeleteAllItems();
 307 }
 308
 309 void MyFrame::OnRecreate(wxCommandEvent& event)
 310 {
 311     OnDeleteAll(event);
 312     m_treeCtrl->AddTestItemsToTree(3, 2);
 313 }
 314
 315 void MyFrame::OnCollapseAndReset(wxCommandEvent& event)
 316 {
 317     m_treeCtrl->CollapseAndReset(m_treeCtrl->GetRootItem());
 318 }
 319
 320 void MyFrame::OnEnsureVisible(wxCommandEvent& event)
 321 {
 322     m_treeCtrl->DoEnsureVisible();
 323 }
 324
 325 void MyFrame::OnAddItem(wxCommandEvent& WXUNUSED(event))
 326 {
 327     static int s_num = 0;
 328
 329     wxString text;
 330     text.Printf("Item #%d", ++s_num);
 331
 332     m_treeCtrl->AppendItem(m_treeCtrl->GetRootItem(),
 333                            text,
 334                            MyTreeCtrl::TreeCtrlIcon_File);
 335 }
 336
 337 void MyFrame::OnIncIndent(wxCommandEvent& WXUNUSED(event))
 338 {
 339     unsigned int indent = m_treeCtrl->GetIndent();
 340     if (indent < 100)
 341         m_treeCtrl->SetIndent( indent+5 );
 342 }
 343
 344 void MyFrame::OnDecIndent(wxCommandEvent& WXUNUSED(event))
 345 {
 346     unsigned int indent = m_treeCtrl->GetIndent();
 347     if (indent > 10)
 348         m_treeCtrl->SetIndent( indent-5 );
 349 }
 350
 351 void MyFrame::OnIncSpacing(wxCommandEvent& WXUNUSED(event))
 352 {
 353     unsigned int indent = m_treeCtrl->GetSpacing();
 354     if (indent < 100)
 355         m_treeCtrl->SetSpacing( indent+5 );
 356 }
 357
 358 void MyFrame::OnDecSpacing(wxCommandEvent& WXUNUSED(event))
 359 {
 360     unsigned int indent = m_treeCtrl->GetSpacing();
 361     if (indent > 10)
 362         m_treeCtrl->SetSpacing( indent-5 );
 363 }
 364
 365 // MyTreeCtrl implementation
 366 IMPLEMENT_DYNAMIC_CLASS(MyTreeCtrl, wxTreeCtrl)
 367
 368 MyTreeCtrl::MyTreeCtrl(wxWindow *parent, const wxWindowID id,
 369                        const wxPoint& pos, const wxSize& size,
 370                        long style)
 371           : wxTreeCtrl(parent, id, pos, size, style)
 372 {
 373 #if USE_TR_HAS_VARIABLE_ROW_HIGHT
 374     wxImage::AddHandler(new wxJPEGHandler);
 375     wxImage image;
 376
 377     image.LoadFile(wxString("horse.jpg"), wxBITMAP_TYPE_JPEG );
 378 #endif
 379
 380     m_reverseSort = FALSE;
 381
 382     // Make an image list containing small icons
 383     m_imageListNormal = new wxImageList(16, 16, TRUE);
 384
 385     // should correspond to TreeCtrlIcon_xxx enum
 386 #if defined(__WXMSW__) && defined(__WIN16__)
 387     // This is required in 16-bit Windows mode only because we can't load a specific (16x16)
 388     // icon image, so it comes out stretched
 389 #  if USE_TR_HAS_VARIABLE_ROW_HIGHT
 390     m_imageListNormal->Add(image.ConvertToBitmap());
 391 #  else
 392     m_imageListNormal->Add(wxBitmap("bitmap1", wxBITMAP_TYPE_BMP_RESOURCE));
 393 #  endif
 394     m_imageListNormal->Add(wxBitmap("bitmap2", wxBITMAP_TYPE_BMP_RESOURCE));
 395 #else
 396 #  if USE_TR_HAS_VARIABLE_ROW_HIGHT
 397     m_imageListNormal->Add(image.ConvertToBitmap());
 398 #  else
 399     m_imageListNormal->Add(wxICON(icon1));
 400 #  endif
 401     m_imageListNormal->Add(wxICON(icon2));
 402 #endif
 403
 404     SetImageList(m_imageListNormal);
 405
 406     // Add some items to the tree
 407     AddTestItemsToTree(3, 2);
 408 }
 409
 410 MyTreeCtrl::~MyTreeCtrl()
 411 {
 412     delete m_imageListNormal;
 413 }
 414
 415 int MyTreeCtrl::OnCompareItems(const wxTreeItemId& item1,
 416                                const wxTreeItemId& item2)
 417 {
 418     if ( m_reverseSort )
 419     {
 420         // just exchange 1st and 2nd items
 421         return wxTreeCtrl::OnCompareItems(item2, item1);
 422     }
 423     else
 424     {
 425         return wxTreeCtrl::OnCompareItems(item1, item2);
 426     }
 427 }
 428
 429 void MyTreeCtrl::AddItemsRecursively(const wxTreeItemId& idParent,
 430                                      size_t numChildren,
 431                                      size_t depth,
 432                                      size_t folder)
 433 {
 434     if ( depth > 0 )
 435     {
 436         wxString str;
 437         for ( size_t n = 0; n < numChildren; n++ )
 438         {
 439             // at depth 1 elements won't have any more children
 440             if (depth == 1)
 441                 str.Printf("%s child %d.%d", "File", folder, n + 1);
 442             else
 443                 str.Printf("%s child %d", "Folder", n + 1);
 444
 445             int image = depth == 1 ? TreeCtrlIcon_File : TreeCtrlIcon_Folder;
 446             wxTreeItemId id = AppendItem(idParent, str, image, image,
 447                                          new MyTreeItemData(str));
 448
 449             // remember the last child for OnEnsureVisible()
 450             if ( depth == 1 && n == numChildren - 1 )
 451             {
 452                 m_lastItem = id;
 453             }
 454
 455             AddItemsRecursively(id, numChildren, depth - 1, n + 1);
 456         }
 457     }
 458     //else: done!
 459 }
 460
 461 void MyTreeCtrl::AddTestItemsToTree(size_t numChildren,
 462                                     size_t depth)
 463 {
 464     wxTreeItemId rootId = AddRoot("Root",
 465                                   TreeCtrlIcon_Folder, TreeCtrlIcon_Folder,
 466                                   new MyTreeItemData("Root item"));
 467
 468     AddItemsRecursively(rootId, numChildren, depth, 0);
 469 }
 470
 471 void MyTreeCtrl::GetItemsRecursively(const wxTreeItemId& idParent, long cookie)
 472 {
 473     wxTreeItemId id;
 474
 475     if( cookie == -1 )
 476         id = GetFirstChild(idParent, cookie);
 477     else
 478         id = GetNextChild(idParent, cookie);
 479
 480     if(id <= 0)
 481         return;
 482
 483     wxString text=GetItemText(id);
 484     wxLogMessage(text);
 485
 486     if (ItemHasChildren(id))
 487         GetItemsRecursively(id,-1);
 488
 489     GetItemsRecursively(idParent, cookie);
 490 }
 491
 492
 493 // avoid repetition
 494 #define TREE_EVENT_HANDLER(name)                            \
 495 void MyTreeCtrl::name(wxTreeEvent& WXUNUSED(event))         \
 496 {                                                           \
 497     wxLogMessage(#name);                                    \
 498 }
 499
 500 TREE_EVENT_HANDLER(OnBeginDrag)
 501 TREE_EVENT_HANDLER(OnBeginRDrag)
 502 TREE_EVENT_HANDLER(OnBeginLabelEdit)
 503 TREE_EVENT_HANDLER(OnEndLabelEdit)
 504 TREE_EVENT_HANDLER(OnDeleteItem)
 505 TREE_EVENT_HANDLER(OnGetInfo)
 506 TREE_EVENT_HANDLER(OnSetInfo)
 507 TREE_EVENT_HANDLER(OnItemExpanded)
 508 TREE_EVENT_HANDLER(OnItemExpanding)
 509 TREE_EVENT_HANDLER(OnItemCollapsed)
 510 TREE_EVENT_HANDLER(OnSelChanged)
 511 TREE_EVENT_HANDLER(OnSelChanging)
 512
 513 #undef TREE_EVENT_HANDLER
 514
 515 void MyTreeCtrl::OnItemCollapsing(wxTreeEvent& event)
 516 {
 517     wxLogMessage("OnItemCollapsing");
 518
 519     // for testing, prevent the user from collapsing the first child folder
 520     wxTreeItemId itemId = event.GetItem();
 521     if ( GetParent(itemId) == GetRootItem() && !GetPrevSibling(itemId) )
 522     {
 523         wxMessageBox("You can't collapse this item.");
 524
 525         event.Veto();
 526     }
 527 }
 528
 529 void MyTreeCtrl::OnTreeKeyDown(wxTreeEvent&WXUNUSED(event))
 530 {
 531     wxLogMessage("OnTreeKeyDown");
 532 }
 533
 534 void MyTreeCtrl::OnItemActivated(wxTreeEvent&WXUNUSED(event))
 535 {
 536     // show some info about this item
 537     wxTreeItemId itemId = GetSelection();
 538     MyTreeItemData *item = (MyTreeItemData *)GetItemData(itemId);
 539
 540     if ( item != NULL )
 541     {
 542         item->ShowInfo(this);
 543     }
 544
 545     wxLogMessage("OnItemActivated");
 546 }
 547
 548 void MyTreeCtrl::OnRMouseDClick(wxMouseEvent& event)
 549 {
 550     wxTreeItemId id = HitTest(event.GetPosition());
 551     if ( !id )
 552         wxLogMessage("No item under mouse");
 553     else
 554     {
 555         MyTreeItemData *item = (MyTreeItemData *)GetItemData(id);
 556         if ( item )
 557             wxLogMessage("Item '%s' under mouse", item->GetDesc());
 558     }
 559 }
 560
 561 static inline const char *Bool2String(bool b)
 562 {
 563     return b ? "" : "not ";
 564 }
 565
 566 void MyTreeItemData::ShowInfo(wxTreeCtrl *tree)
 567 {
 568     wxLogMessage("Item '%s': %sselected, %sexpanded, %sbold,\n"
 569                  "%u children (%u immediately under this item).",
 570                  m_desc.c_str(),
 571                  Bool2String(tree->IsSelected(GetId())),
 572                  Bool2String(tree->IsExpanded(GetId())),
 573                  Bool2String(tree->IsBold(GetId())),
 574                  tree->GetChildrenCount(GetId()),
 575                  tree->GetChildrenCount(GetId(), FALSE));
 576 }