src/osx/dataview_osx.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/dataview_osx.cpp
   3 // Purpose:     wxDataViewCtrl native mac implementation
   4 // Author:
   5 // Id:          $Id$
   6 // Copyright:   (c) 2009
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #if (wxUSE_DATAVIEWCTRL != 0) && (!defined(wxUSE_GENERICDATAVIEWCTRL) || (wxUSE_GENERICDATAVIEWCTRL == 0))
  14
  15 #include <limits>
  16
  17 #ifndef WX_PRECOMP
  18     #include "wx/timer.h"
  19     #include "wx/settings.h"
  20     #include "wx/dcclient.h"
  21     #include "wx/icon.h"
  22 #endif
  23 #if wxOSX_USE_CARBON
  24 #include "wx/osx/carbon/dataview.h"
  25 #endif
  26
  27 #include "wx/osx/core/dataview.h"
  28 #include "wx/osx/private.h"
  29 #include "wx/renderer.h"
  30
  31 // ============================================================================
  32 // Helper functions for dataviewe implementation on OSX
  33 // ============================================================================
  34 wxString ConcatenateDataViewItemValues(wxDataViewCtrl const* dataViewCtrlPtr, wxDataViewItem const& dataViewItem)
  35 {
  36   wxString dataString; // contains the TAB concatenated data
  37
  38
  39   for (size_t i=0; i<dataViewCtrlPtr->GetColumnCount(); i++)
  40   {
  41    // variable definition:
  42     wxVariant dataValue;
  43
  44     dataViewCtrlPtr->GetModel()->GetValue(dataValue,dataViewItem,dataViewCtrlPtr->GetColumn(i)->GetModelColumn());
  45     if (i > 0)
  46       dataString << wxT('\t');
  47     dataString << dataValue.MakeString();
  48   }
  49   return dataString;
  50 }
  51
  52 // ============================================================================
  53 // wxOSXDataViewModelNotifier
  54 // ============================================================================
  55 class wxOSXDataViewModelNotifier : public wxDataViewModelNotifier
  56 {
  57 public:
  58  //
  59  // constructors / destructor
  60  //
  61   wxOSXDataViewModelNotifier(wxDataViewCtrl* initDataViewCtrlPtr);
  62
  63  //
  64  // inherited methods from wxDataViewModelNotifier
  65  //
  66   virtual bool ItemAdded   (wxDataViewItem const &parent, wxDataViewItem const &item);
  67   virtual bool ItemsAdded  (wxDataViewItem const& parent, wxDataViewItemArray const& items);
  68   virtual bool ItemChanged (wxDataViewItem const& item);
  69   virtual bool ItemsChanged(wxDataViewItemArray const& items);
  70   virtual bool ItemDeleted (wxDataViewItem const& parent, wxDataViewItem const& item);
  71   virtual bool ItemsDeleted(wxDataViewItem const& parent, wxDataViewItemArray const& items);
  72   virtual bool ValueChanged(wxDataViewItem const& item, unsigned int col);
  73   virtual bool Cleared();
  74   virtual void Resort();
  75
  76 protected:
  77  // if the dataview control can have a variable row height this method sets the dataview's control row height of
  78  // the passed item to the maximum value occupied by the item in all columns
  79   void AdjustRowHeight(wxDataViewItem const& item);
  80  // ... and the same method for a couple of items:
  81   void AdjustRowHeights(wxDataViewItemArray const& items);
  82  // adjust wxCOL_WIDTH_AUTOSIZE columns to fit the data
  83   void AdjustAutosizedColumns();
  84
  85 private:
  86   wxDataViewCtrl* m_DataViewCtrlPtr;
  87 };
  88
  89 //
  90 // constructors / destructor
  91 //
  92 wxOSXDataViewModelNotifier::wxOSXDataViewModelNotifier(wxDataViewCtrl* initDataViewCtrlPtr)
  93                            :m_DataViewCtrlPtr(initDataViewCtrlPtr)
  94 {
  95   if (initDataViewCtrlPtr == NULL)
  96     wxFAIL_MSG("Pointer to dataview control must not be NULL");
  97 }
  98
  99 bool wxOSXDataViewModelNotifier::ItemAdded(wxDataViewItem const& parent, wxDataViewItem const& item)
 100 {
 101   bool noFailureFlag;
 102
 103
 104   wxCHECK_MSG(item.IsOk(),false,"Added item is invalid.");
 105   noFailureFlag = m_DataViewCtrlPtr->GetDataViewPeer()->Add(parent,item);
 106   AdjustRowHeight(item);
 107   return noFailureFlag;
 108 }
 109
 110 bool wxOSXDataViewModelNotifier::ItemsAdded(wxDataViewItem const& parent, wxDataViewItemArray const& items)
 111 {
 112   bool noFailureFlag;
 113
 114
 115  // insert all valid items into control:
 116   noFailureFlag = m_DataViewCtrlPtr->GetDataViewPeer()->Add(parent,items);
 117  // adjust row heights:
 118   AdjustRowHeights(items);
 119  // done:
 120   return noFailureFlag;
 121 }
 122
 123 bool wxOSXDataViewModelNotifier::ItemChanged(wxDataViewItem const& item)
 124 {
 125   wxCHECK_MSG(item.IsOk(),             false,"Changed item is invalid.");
 126   wxCHECK_MSG(GetOwner() != NULL,false,"Owner not initialized.");
 127   if (m_DataViewCtrlPtr->GetDataViewPeer()->Update(GetOwner()->GetParent(item),item))
 128   {
 129    // sent the equivalent wxWidget event:
 130     wxDataViewEvent dataViewEvent(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED,m_DataViewCtrlPtr->GetId());
 131
 132     dataViewEvent.SetEventObject(m_DataViewCtrlPtr);
 133     dataViewEvent.SetItem(item);
 134    // sent the equivalent wxWidget event:
 135     m_DataViewCtrlPtr->HandleWindowEvent(dataViewEvent);
 136    // row height may have to be adjusted:
 137     AdjustRowHeight(item);
 138     AdjustAutosizedColumns();
 139    // done
 140     return true;
 141   }
 142   else
 143     return false;
 144 }
 145
 146 bool wxOSXDataViewModelNotifier::ItemsChanged(wxDataViewItemArray const& items)
 147 {
 148   size_t const noOfItems = items.GetCount();
 149
 150   wxDataViewEvent dataViewEvent(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED,m_DataViewCtrlPtr->GetId());
 151
 152
 153   dataViewEvent.SetEventObject(m_DataViewCtrlPtr);
 154   for (size_t indexItem=0; indexItem<noOfItems; ++indexItem)
 155     if (m_DataViewCtrlPtr->GetDataViewPeer()->Update(GetOwner()->GetParent(items[indexItem]),items[indexItem]))
 156     {
 157      // send for all changed items a wxWidget event:
 158       dataViewEvent.SetItem(items[indexItem]);
 159       m_DataViewCtrlPtr->HandleWindowEvent(dataViewEvent);
 160     }
 161     else
 162       return false;
 163  // if this location is reached all items have been updated:
 164   AdjustRowHeights(items);
 165   AdjustAutosizedColumns();
 166  // done:
 167   return true;
 168 }
 169
 170 bool wxOSXDataViewModelNotifier::ItemDeleted(wxDataViewItem const& parent, wxDataViewItem const& item)
 171 {
 172   bool noFailureFlag;
 173
 174
 175   wxCHECK_MSG(item.IsOk(),false,"To be deleted item is invalid.");
 176  // when this method is called and currently an item is being edited this item may have already been deleted in the model (the passed item and the being edited item have
 177  // not to be identical because the being edited item might be below the passed item in the hierarchy);
 178  // to prevent the control trying to ask the model to update an already deleted item the control is informed that currently a deleting process
 179  // has been started and that variables can currently not be updated even when requested by the system:
 180   m_DataViewCtrlPtr->SetDeleting(true);
 181   noFailureFlag = m_DataViewCtrlPtr->GetDataViewPeer()->Remove(parent,item);
 182  // enable automatic updating again:
 183   m_DataViewCtrlPtr->SetDeleting(false);
 184
 185   AdjustAutosizedColumns();
 186  // done:
 187   return noFailureFlag;
 188 }
 189
 190 bool wxOSXDataViewModelNotifier::ItemsDeleted(wxDataViewItem const& parent, wxDataViewItemArray const& items)
 191 {
 192   bool noFailureFlag;
 193
 194
 195  // when this method is called and currently an item is being edited this item may have already been deleted in the model (the passed item and the being edited item have
 196  // not to be identical because the being edited item might be below the passed item in the hierarchy);
 197  // to prevent the control trying to ask the model to update an already deleted item the control is informed that currently a deleting process
 198  // has been started and that variables can currently not be updated even when requested by the system:
 199   m_DataViewCtrlPtr->SetDeleting(true);
 200  // delete all specified items:
 201   noFailureFlag = m_DataViewCtrlPtr->GetDataViewPeer()->Remove(parent,items);
 202  // enable automatic updating again:
 203   m_DataViewCtrlPtr->SetDeleting(false);
 204
 205   AdjustAutosizedColumns();
 206  // done:
 207   return noFailureFlag;
 208 }
 209
 210 bool wxOSXDataViewModelNotifier::ValueChanged(wxDataViewItem const& item, unsigned int col)
 211 {
 212   wxCHECK_MSG(item.IsOk(),             false,"Passed item is invalid.");
 213   wxCHECK_MSG(GetOwner() != NULL,false,"Owner not initialized.");
 214   if (m_DataViewCtrlPtr->GetDataViewPeer()->Update(GetOwner()->GetParent(item),item))
 215   {
 216     wxDataViewEvent dataViewEvent(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED,m_DataViewCtrlPtr->GetId());
 217
 218     dataViewEvent.SetEventObject(m_DataViewCtrlPtr);
 219     dataViewEvent.SetColumn(col);
 220     dataViewEvent.SetItem(item);
 221    // send the equivalent wxWidget event:
 222     m_DataViewCtrlPtr->HandleWindowEvent(dataViewEvent);
 223
 224     AdjustAutosizedColumns();
 225    // done
 226     return true;
 227   }
 228   else
 229     return false;
 230 }
 231
 232 bool wxOSXDataViewModelNotifier::Cleared()
 233 {
 234   return m_DataViewCtrlPtr->GetDataViewPeer()->Reload();
 235 }
 236
 237 void wxOSXDataViewModelNotifier::Resort()
 238 {
 239   m_DataViewCtrlPtr->GetDataViewPeer()->Resort();
 240 }
 241
 242 void wxOSXDataViewModelNotifier::AdjustRowHeight(wxDataViewItem const& item)
 243 {
 244   if ((m_DataViewCtrlPtr->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT) != 0)
 245   {
 246       wxDataViewModel *model = GetOwner();
 247
 248       int height = 20; // TODO find out standard height
 249       unsigned int num = m_DataViewCtrlPtr->GetColumnCount();
 250       unsigned int col;
 251       for (col = 0; col < num; col++)
 252       {
 253           wxDataViewColumn* column(m_DataViewCtrlPtr->GetColumnPtr(col));
 254
 255           if (!(column->IsHidden()))
 256           {
 257             wxDataViewCustomRenderer *renderer = dynamic_cast<wxDataViewCustomRenderer*>(column->GetRenderer());
 258             if (renderer)
 259             {
 260                 wxVariant value;
 261                 model->GetValue( value, item, column->GetModelColumn() );
 262                 renderer->SetValue( value );
 263                 height = wxMax( height, renderer->GetSize().y );
 264             }
 265           }
 266       }
 267       if (height > 20)
 268         m_DataViewCtrlPtr->GetDataViewPeer()->SetRowHeight(item,height);
 269   }
 270 }
 271
 272 void wxOSXDataViewModelNotifier::AdjustRowHeights(wxDataViewItemArray const& items)
 273 {
 274   if ((m_DataViewCtrlPtr->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT) != 0)
 275   {
 276       size_t const noOfItems = items.GetCount();
 277
 278       wxDataViewModel *model = GetOwner();
 279
 280       for (size_t itemIndex=0; itemIndex<noOfItems; ++itemIndex)
 281       {
 282         int height = 20; // TODO find out standard height
 283         unsigned int num = m_DataViewCtrlPtr->GetColumnCount();
 284         unsigned int col;
 285
 286         for (col = 0; col < num; col++)
 287         {
 288             wxDataViewColumn* column(m_DataViewCtrlPtr->GetColumnPtr(col));
 289
 290             if (!(column->IsHidden()))
 291             {
 292               wxDataViewCustomRenderer *renderer = dynamic_cast<wxDataViewCustomRenderer*>(column->GetRenderer());
 293               if (renderer)
 294               {
 295                   wxVariant value;
 296                   model->GetValue( value, items[itemIndex], column->GetModelColumn() );
 297                   renderer->SetValue( value );
 298                   height = wxMax( height, renderer->GetSize().y );
 299               }
 300             }
 301         }
 302         if (height > 20)
 303           m_DataViewCtrlPtr->GetDataViewPeer()->SetRowHeight(items[itemIndex],height);
 304       }
 305   }
 306 }
 307
 308 void wxOSXDataViewModelNotifier::AdjustAutosizedColumns()
 309 {
 310   unsigned count = m_DataViewCtrlPtr->GetColumnCount();
 311   for ( unsigned col = 0; col < count; col++ )
 312   {
 313       wxDataViewColumn *column = m_DataViewCtrlPtr->GetColumnPtr(col);
 314
 315       if ( column->GetWidthVariable() == wxCOL_WIDTH_AUTOSIZE )
 316         m_DataViewCtrlPtr->GetDataViewPeer()->FitColumnWidthToContent(col);
 317   }
 318 }
 319
 320 // ---------------------------------------------------------
 321 // wxDataViewCustomRenderer
 322 // The constructor, the implementation macro and environment
 323 // dependent methods can be found in the environment's
 324 // source file.
 325 // ---------------------------------------------------------
 326 wxDataViewCustomRenderer::~wxDataViewCustomRenderer()
 327 {
 328   delete m_DCPtr;
 329 }
 330
 331 wxDC* wxDataViewCustomRenderer::GetDC()
 332 {
 333   if ((m_DCPtr == NULL) && (GetOwner() != NULL) && (GetOwner()->GetOwner() != NULL))
 334     m_DCPtr = new wxClientDC(GetOwner()->GetOwner());
 335   return m_DCPtr;
 336 }
 337
 338 void wxDataViewCustomRenderer::SetDC(wxDC* newDCPtr)
 339 {
 340   delete m_DCPtr;
 341   m_DCPtr = newDCPtr;
 342 }
 343
 344 //-----------------------------------------------------------------------------
 345 // wxDataViewCtrl
 346 //-----------------------------------------------------------------------------
 347
 348 wxDataViewCtrl::~wxDataViewCtrl()
 349 {
 350   ClearColumns();
 351
 352   // Ensure that the already destructed controls is not notified about changes
 353   // in the model any more.
 354   if (m_ModelNotifier != NULL)
 355     m_ModelNotifier->GetOwner()->RemoveNotifier(m_ModelNotifier);
 356 }
 357
 358 void wxDataViewCtrl::Init()
 359 {
 360   m_CustomRendererPtr = NULL;
 361   m_Deleting          = false;
 362   m_cgContext         = NULL;
 363   m_ModelNotifier     = NULL;
 364 }
 365
 366 bool wxDataViewCtrl::Create(wxWindow *parent,
 367                             wxWindowID id,
 368                             const wxPoint& pos,
 369                             const wxSize& size,
 370                             long style,
 371                             const wxValidator& validator,
 372                             const wxString& name)
 373 {
 374   DontCreatePeer();
 375   if (!(wxControl::Create(parent,id,pos,size,style,validator,name)))
 376     return false;
 377   SetPeer(::CreateDataView(this,parent,id,pos,size,style,GetExtraStyle()));
 378
 379   MacPostControlCreate(pos,size);
 380
 381   return true;
 382 }
 383
 384 bool wxDataViewCtrl::AssociateModel(wxDataViewModel* model)
 385 {
 386   wxDataViewWidgetImpl* dataViewWidgetPtr(GetDataViewPeer());
 387
 388
 389   wxCHECK_MSG(dataViewWidgetPtr != NULL,false,"Pointer to native control must not be NULL.");
 390
 391   // We could have been associated with another model previously, break the
 392   // association in this case.
 393   if ( m_ModelNotifier )
 394       m_ModelNotifier->GetOwner()->RemoveNotifier(m_ModelNotifier);
 395
 396   if (wxDataViewCtrlBase::AssociateModel(model) && dataViewWidgetPtr->AssociateModel(model))
 397   {
 398     if (model != NULL)
 399     {
 400       m_ModelNotifier = new wxOSXDataViewModelNotifier(this);
 401       model->AddNotifier(m_ModelNotifier);
 402     }
 403     return true;
 404   }
 405   else
 406     return false;
 407 }
 408
 409 bool wxDataViewCtrl::AppendColumn(wxDataViewColumn* columnPtr)
 410 {
 411    return wxDataViewCtrl::InsertColumn( GetColumnCount(), columnPtr );
 412 }
 413
 414 bool wxDataViewCtrl::PrependColumn(wxDataViewColumn* columnPtr)
 415 {
 416    return wxDataViewCtrl::InsertColumn( 0, columnPtr );
 417 }
 418
 419 bool wxDataViewCtrl::InsertColumn(unsigned int pos, wxDataViewColumn* columnPtr)
 420 {
 421   wxDataViewWidgetImpl* dataViewWidgetPtr(GetDataViewPeer());
 422
 423  // first, some error checking:
 424   wxCHECK_MSG(dataViewWidgetPtr != NULL,                                         false,"Pointer to native control must not be NULL.");
 425   wxCHECK_MSG(columnPtr != NULL,                                                 false,"Column pointer must not be NULL.");
 426   wxCHECK_MSG(columnPtr->GetRenderer() != NULL,                                  false,"Column does not have a renderer.");
 427   wxCHECK_MSG(GetModel() != NULL,                                          false,"No model associated with control.");
 428   wxCHECK_MSG(columnPtr->GetModelColumn() < GetModel()->GetColumnCount(),false,"Column's model column has no equivalent in the associated model.");
 429
 430  // add column to wxWidget's internal structure:
 431   if (wxDataViewCtrlBase::InsertColumn(pos,columnPtr))
 432   {
 433     m_ColumnPtrs.Add(columnPtr);
 434    // if the insertion in the native control is successful the rest can also be initialized:
 435     if (dataViewWidgetPtr->InsertColumn(pos,columnPtr))
 436     {
 437      // make sure that the data is up-to-date...
 438      // if the newly appended column is the first column add the initial data to the control and mark the column as an expander column,
 439      // otherwise ask the control to 'update' the data in the newly appended column:
 440       if (GetColumnCount() == 1)
 441         SetExpanderColumn(columnPtr);
 442      // done:
 443       return true;
 444     }
 445     else
 446     {
 447      // clean-up:
 448       m_ColumnPtrs.Remove(columnPtr);
 449       delete columnPtr;
 450      // and send a message in debug mode:
 451       wxFAIL_MSG("Column could not be added to native control.");
 452      // failed:
 453       return false;
 454     }
 455   }
 456   else
 457   {
 458    // clean-up:
 459     delete columnPtr;
 460     wxFAIL_MSG("Could not add column to internal structures.");
 461    // failed:
 462     return false;
 463   }
 464 }
 465
 466 bool wxDataViewCtrl::ClearColumns()
 467 {
 468   if (GetDataViewPeer()->ClearColumns())
 469   {
 470     WX_CLEAR_ARRAY(m_ColumnPtrs);
 471     return true;
 472   }
 473   else
 474     return false;
 475 }
 476
 477 bool wxDataViewCtrl::DeleteColumn(wxDataViewColumn* columnPtr)
 478 {
 479   if (GetDataViewPeer()->DeleteColumn(columnPtr))
 480   {
 481     m_ColumnPtrs.Remove(columnPtr);
 482     delete columnPtr;
 483     return true;
 484   }
 485   else
 486     return false;
 487 }
 488
 489 wxDataViewColumn* wxDataViewCtrl::GetColumn(unsigned int pos) const
 490 {
 491   return GetDataViewPeer()->GetColumn(pos);
 492 }
 493
 494 unsigned int wxDataViewCtrl::GetColumnCount() const
 495 {
 496   return m_ColumnPtrs.GetCount();
 497 }
 498
 499 int wxDataViewCtrl::GetColumnPosition(wxDataViewColumn const* columnPtr) const
 500 {
 501   return GetDataViewPeer()->GetColumnPosition(columnPtr);
 502 }
 503
 504 void wxDataViewCtrl::Collapse(wxDataViewItem const& item)
 505 {
 506   GetDataViewPeer()->Collapse(item);
 507 }
 508
 509 void wxDataViewCtrl::EnsureVisible(wxDataViewItem const& item, wxDataViewColumn const* columnPtr)
 510 {
 511   if (item.IsOk())
 512   {
 513     ExpandAncestors(item); // make sure that the item exists in the control
 514     GetDataViewPeer()->EnsureVisible(item,columnPtr);
 515   }
 516 }
 517
 518 void wxDataViewCtrl::Expand(wxDataViewItem const& item)
 519 {
 520   return GetDataViewPeer()->Expand(item);
 521 }
 522
 523 bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
 524 {
 525   return (item.IsOk() && GetDataViewPeer()->IsExpanded(item));
 526 }
 527
 528 wxDataViewColumn* wxDataViewCtrl::GetSortingColumn() const
 529 {
 530   return GetDataViewPeer()->GetSortingColumn();
 531 }
 532
 533 unsigned int wxDataViewCtrl::GetCount() const
 534 {
 535   return GetDataViewPeer()->GetCount();
 536 }
 537
 538 wxDataViewItem wxDataViewCtrl::DoGetCurrentItem() const
 539 {
 540     return GetDataViewPeer()->GetCurrentItem();
 541 }
 542
 543 void wxDataViewCtrl::DoSetCurrentItem(const wxDataViewItem& item)
 544 {
 545     GetDataViewPeer()->SetCurrentItem(item);
 546 }
 547
 548 wxDataViewColumn *wxDataViewCtrl::GetCurrentColumn() const
 549 {
 550     return GetDataViewPeer()->GetCurrentColumn();
 551 }
 552
 553 wxRect wxDataViewCtrl::GetItemRect(wxDataViewItem const& item, wxDataViewColumn const* columnPtr) const
 554 {
 555   if (item.IsOk() && (columnPtr != NULL))
 556     return GetDataViewPeer()->GetRectangle(item,columnPtr);
 557   else
 558     return wxRect();
 559 }
 560
 561 int wxDataViewCtrl::GetSelectedItemsCount() const
 562 {
 563   return GetDataViewPeer()->GetSelectedItemsCount();
 564 }
 565
 566 int wxDataViewCtrl::GetSelections(wxDataViewItemArray& sel) const
 567 {
 568   return GetDataViewPeer()->GetSelections(sel);
 569 }
 570
 571 void wxDataViewCtrl::HitTest(wxPoint const& point, wxDataViewItem& item, wxDataViewColumn*& columnPtr) const
 572 {
 573   return GetDataViewPeer()->HitTest(point,item,columnPtr);
 574 }
 575
 576 bool wxDataViewCtrl::IsSelected(wxDataViewItem const& item) const
 577 {
 578   return GetDataViewPeer()->IsSelected(item);
 579 }
 580
 581 void wxDataViewCtrl::Select(wxDataViewItem const& item)
 582 {
 583   if (item.IsOk())
 584   {
 585     ExpandAncestors(item); // make sure that the item exists in the control
 586     GetDataViewPeer()->Select(item);
 587   }
 588 }
 589
 590 void wxDataViewCtrl::SelectAll()
 591 {
 592   GetDataViewPeer()->SelectAll();
 593 }
 594
 595 void wxDataViewCtrl::SetSelections(wxDataViewItemArray const& sel)
 596 {
 597     size_t const noOfSelections = sel.GetCount();
 598
 599     size_t i;
 600
 601     wxDataViewItem last_parent;
 602
 603
 604    // make sure that all to be selected items are visible in the control:
 605     for (i = 0; i < noOfSelections; i++)
 606     {
 607         wxDataViewItem item   = sel[i];
 608         wxDataViewItem parent = GetModel()->GetParent( item );
 609
 610         if (parent.IsOk() && (parent != last_parent))
 611           ExpandAncestors(item);
 612         last_parent = parent;
 613     }
 614
 615    // finally select the items:
 616     wxDataViewWidgetImpl* dataViewWidgetPtr(GetDataViewPeer()); // variable definition for abbreviational purposes
 617
 618     for (i=0; i<noOfSelections; ++i)
 619       dataViewWidgetPtr->Select(sel[i]);
 620 }
 621
 622 void wxDataViewCtrl::Unselect(wxDataViewItem const& item)
 623 {
 624   if (item.IsOk())
 625     GetDataViewPeer()->Unselect(item);
 626 }
 627
 628 void wxDataViewCtrl::UnselectAll()
 629 {
 630   GetDataViewPeer()->UnselectAll();
 631 }
 632
 633 //
 634 // implementation
 635 //
 636 wxDataViewWidgetImpl* wxDataViewCtrl::GetDataViewPeer() const
 637 {
 638   return dynamic_cast<wxDataViewWidgetImpl*>(GetPeer());
 639 }
 640
 641 void wxDataViewCtrl::AddChildren(wxDataViewItem const& parentItem)
 642 {
 643   int noOfChildren;
 644
 645   wxDataViewItemArray items;
 646
 647
 648   wxCHECK_RET(GetModel() != NULL,"Model pointer not initialized.");
 649   noOfChildren = GetModel()->GetChildren(parentItem,items);
 650   (void) GetModel()->ItemsAdded(parentItem,items);
 651 }
 652
 653 void wxDataViewCtrl::EditItem(const wxDataViewItem& item, const wxDataViewColumn *column)
 654 {
 655     GetDataViewPeer()->StartEditor(item, GetColumnPosition(column));
 656 }
 657
 658 void wxDataViewCtrl::FinishCustomItemEditing()
 659 {
 660   if (GetCustomRendererItem().IsOk())
 661   {
 662     GetCustomRendererPtr()->FinishEditing();
 663     SetCustomRendererItem(wxDataViewItem());
 664     SetCustomRendererPtr (NULL);
 665   }
 666 }
 667
 668 /*static*/
 669 wxVisualAttributes
 670 wxDataViewCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 671 {
 672     wxVisualAttributes attr;
 673
 674     attr.colFg = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOWTEXT );
 675     attr.colBg = wxSystemSettings::GetColour( wxSYS_COLOUR_LISTBOX );
 676     static wxFont font = wxFont(wxOSX_SYSTEM_FONT_VIEWS);
 677     attr.font = font;
 678
 679     return attr;
 680 }
 681
 682 // inherited methods from wxDataViewCtrlBase
 683 void wxDataViewCtrl::DoSetExpanderColumn()
 684 {
 685   if (GetExpanderColumn() != NULL)
 686     GetDataViewPeer()->DoSetExpanderColumn(GetExpanderColumn());
 687 }
 688
 689 void wxDataViewCtrl::DoSetIndent()
 690 {
 691   GetDataViewPeer()->DoSetIndent(GetIndent());
 692 }
 693
 694 // event handling:
 695 void wxDataViewCtrl::OnSize(wxSizeEvent& event)
 696 {
 697   unsigned int const noOfColumns = GetColumnCount();
 698
 699
 700  // reset DC of all custom renderers because DC has changed:
 701   for (unsigned int i=0; i<noOfColumns; ++i)
 702   {
 703     wxDataViewColumn* dataViewColumnPtr(GetColumn(i));
 704
 705     if (dataViewColumnPtr != NULL)
 706     {
 707       wxDataViewCustomRenderer* dataViewCustomRendererPtr(dynamic_cast<wxDataViewCustomRenderer*>(dataViewColumnPtr->GetRenderer()));
 708
 709       if (dataViewCustomRendererPtr != NULL)
 710         dataViewCustomRendererPtr->SetDC(NULL);
 711     }
 712   }
 713
 714  // update the layout of the native control after a size event:
 715   GetDataViewPeer()->OnSize();
 716
 717   event.Skip();
 718 }
 719
 720 wxSize wxDataViewCtrl::DoGetBestSize() const
 721 {
 722     wxSize best = wxControl::DoGetBestSize();
 723     best.y = 80;
 724
 725     return best;
 726 }
 727
 728 void wxDataViewCtrl::OnMouse(wxMouseEvent& event)
 729 {
 730     event.Skip();
 731
 732 #if wxOSX_USE_CARBON
 733     if (GetModel() == NULL)
 734         return;
 735
 736     wxMacDataViewDataBrowserListViewControlPointer MacDataViewListCtrlPtr(dynamic_cast<wxMacDataViewDataBrowserListViewControlPointer>(GetPeer()));
 737
 738     int NoOfChildren;
 739     wxDataViewItemArray items;
 740     NoOfChildren = GetModel()->GetChildren( wxDataViewItem(), items);
 741     if (NoOfChildren == 0)
 742        return;
 743     wxDataViewItem firstChild = items[0];
 744
 745     UInt16 headerHeight = 0;
 746     MacDataViewListCtrlPtr->GetHeaderButtonHeight(&headerHeight);
 747
 748
 749     if (event.GetY() < headerHeight)
 750     {
 751        unsigned int col_count = GetColumnCount();
 752        unsigned int col;
 753        for (col = 0; col < col_count; col++)
 754        {
 755            wxDataViewColumn *column = GetColumn( col );
 756            if (column->IsHidden())
 757               continue;
 758
 759            Rect itemrect;
 760            ::GetDataBrowserItemPartBounds( MacDataViewListCtrlPtr->GetControlRef(),
 761               reinterpret_cast<DataBrowserItemID>(firstChild.GetID()), column->GetNativeData()->GetPropertyID(),
 762               kDataBrowserPropertyEnclosingPart, &itemrect );
 763
 764            if (abs( event.GetX() - itemrect.right) < 3)
 765            {
 766                if (column->GetFlags() & wxDATAVIEW_COL_RESIZABLE)
 767                   SetCursor( wxCursor( wxCURSOR_SIZEWE ) );
 768                else
 769                   SetCursor( *wxSTANDARD_CURSOR );
 770                return;
 771            }
 772        }
 773
 774     }
 775     SetCursor( *wxSTANDARD_CURSOR );
 776 #endif
 777 }
 778
 779 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl,wxDataViewCtrlBase)
 780
 781 BEGIN_EVENT_TABLE(wxDataViewCtrl,wxDataViewCtrlBase)
 782   EVT_SIZE(wxDataViewCtrl::OnSize)
 783   EVT_MOTION(wxDataViewCtrl::OnMouse)
 784 END_EVENT_TABLE()
 785
 786 #endif // (wxUSE_DATAVIEWCTRL != 0) && (!defined(wxUSE_GENERICDATAVIEWCTRL) || (wxUSE_GENERICDATAVIEWCTRL == 0))
 787