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
 353 void wxDataViewCtrl::Init()
 354 {
 355   m_CustomRendererPtr = NULL;
 356   m_Deleting          = false;
 357   m_cgContext         = NULL;
 358 }
 359
 360 bool wxDataViewCtrl::Create(wxWindow *parent,
 361                             wxWindowID id,
 362                             const wxPoint& pos,
 363                             const wxSize& size,
 364                             long style,
 365                             const wxValidator& validator,
 366                             const wxString& name)
 367 {
 368   DontCreatePeer();
 369   if (!(wxControl::Create(parent,id,pos,size,style,validator,name)))
 370     return false;
 371   SetPeer(::CreateDataView(this,parent,id,pos,size,style,GetExtraStyle()));
 372
 373   MacPostControlCreate(pos,size);
 374
 375   return true;
 376 }
 377
 378 bool wxDataViewCtrl::AssociateModel(wxDataViewModel* model)
 379 {
 380   wxDataViewWidgetImpl* dataViewWidgetPtr(GetDataViewPeer());
 381
 382
 383   wxCHECK_MSG(dataViewWidgetPtr != NULL,false,"Pointer to native control must not be NULL.");
 384   if (wxDataViewCtrlBase::AssociateModel(model) && dataViewWidgetPtr->AssociateModel(model))
 385   {
 386     if (model != NULL)
 387       model->AddNotifier(new wxOSXDataViewModelNotifier(this));
 388     return true;
 389   }
 390   else
 391     return false;
 392 }
 393
 394 bool wxDataViewCtrl::AppendColumn(wxDataViewColumn* columnPtr)
 395 {
 396    return wxDataViewCtrl::InsertColumn( GetColumnCount(), columnPtr );
 397 }
 398
 399 bool wxDataViewCtrl::PrependColumn(wxDataViewColumn* columnPtr)
 400 {
 401    return wxDataViewCtrl::InsertColumn( 0, columnPtr );
 402 }
 403
 404 bool wxDataViewCtrl::InsertColumn(unsigned int pos, wxDataViewColumn* columnPtr)
 405 {
 406   wxDataViewWidgetImpl* dataViewWidgetPtr(GetDataViewPeer());
 407
 408  // first, some error checking:
 409   wxCHECK_MSG(dataViewWidgetPtr != NULL,                                         false,"Pointer to native control must not be NULL.");
 410   wxCHECK_MSG(columnPtr != NULL,                                                 false,"Column pointer must not be NULL.");
 411   wxCHECK_MSG(columnPtr->GetRenderer() != NULL,                                  false,"Column does not have a renderer.");
 412   wxCHECK_MSG(GetModel() != NULL,                                          false,"No model associated with control.");
 413   wxCHECK_MSG(columnPtr->GetModelColumn() < GetModel()->GetColumnCount(),false,"Column's model column has no equivalent in the associated model.");
 414
 415  // add column to wxWidget's internal structure:
 416   if (wxDataViewCtrlBase::InsertColumn(pos,columnPtr))
 417   {
 418     m_ColumnPtrs.Add(columnPtr);
 419    // if the insertion in the native control is successful the rest can also be initialized:
 420     if (dataViewWidgetPtr->InsertColumn(pos,columnPtr))
 421     {
 422      // make sure that the data is up-to-date...
 423      // if the newly appended column is the first column add the initial data to the control and mark the column as an expander column,
 424      // otherwise ask the control to 'update' the data in the newly appended column:
 425       if (GetColumnCount() == 1)
 426         SetExpanderColumn(columnPtr);
 427      // done:
 428       return true;
 429     }
 430     else
 431     {
 432      // clean-up:
 433       m_ColumnPtrs.Remove(columnPtr);
 434       delete columnPtr;
 435      // and send a message in debug mode:
 436       wxFAIL_MSG("Column could not be added to native control.");
 437      // failed:
 438       return false;
 439     }
 440   }
 441   else
 442   {
 443    // clean-up:
 444     delete columnPtr;
 445     wxFAIL_MSG("Could not add column to internal structures.");
 446    // failed:
 447     return false;
 448   }
 449 }
 450
 451 bool wxDataViewCtrl::ClearColumns()
 452 {
 453   if (GetDataViewPeer()->ClearColumns())
 454   {
 455     WX_CLEAR_ARRAY(m_ColumnPtrs);
 456     return true;
 457   }
 458   else
 459     return false;
 460 }
 461
 462 bool wxDataViewCtrl::DeleteColumn(wxDataViewColumn* columnPtr)
 463 {
 464   if (GetDataViewPeer()->DeleteColumn(columnPtr))
 465   {
 466     m_ColumnPtrs.Remove(columnPtr);
 467     delete columnPtr;
 468     return true;
 469   }
 470   else
 471     return false;
 472 }
 473
 474 wxDataViewColumn* wxDataViewCtrl::GetColumn(unsigned int pos) const
 475 {
 476   return GetDataViewPeer()->GetColumn(pos);
 477 }
 478
 479 unsigned int wxDataViewCtrl::GetColumnCount() const
 480 {
 481   return m_ColumnPtrs.GetCount();
 482 }
 483
 484 int wxDataViewCtrl::GetColumnPosition(wxDataViewColumn const* columnPtr) const
 485 {
 486   return GetDataViewPeer()->GetColumnPosition(columnPtr);
 487 }
 488
 489 void wxDataViewCtrl::Collapse(wxDataViewItem const& item)
 490 {
 491   GetDataViewPeer()->Collapse(item);
 492 }
 493
 494 void wxDataViewCtrl::EnsureVisible(wxDataViewItem const& item, wxDataViewColumn const* columnPtr)
 495 {
 496   if (item.IsOk())
 497   {
 498     ExpandAncestors(item); // make sure that the item exists in the control
 499     GetDataViewPeer()->EnsureVisible(item,columnPtr);
 500   }
 501 }
 502
 503 void wxDataViewCtrl::Expand(wxDataViewItem const& item)
 504 {
 505   return GetDataViewPeer()->Expand(item);
 506 }
 507
 508 bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
 509 {
 510   return (item.IsOk() && GetDataViewPeer()->IsExpanded(item));
 511 }
 512
 513 wxDataViewColumn* wxDataViewCtrl::GetSortingColumn() const
 514 {
 515   return GetDataViewPeer()->GetSortingColumn();
 516 }
 517
 518 unsigned int wxDataViewCtrl::GetCount() const
 519 {
 520   return GetDataViewPeer()->GetCount();
 521 }
 522
 523 wxDataViewItem wxDataViewCtrl::DoGetCurrentItem() const
 524 {
 525     return GetDataViewPeer()->GetCurrentItem();
 526 }
 527
 528 void wxDataViewCtrl::DoSetCurrentItem(const wxDataViewItem& item)
 529 {
 530     GetDataViewPeer()->SetCurrentItem(item);
 531 }
 532
 533 wxRect wxDataViewCtrl::GetItemRect(wxDataViewItem const& item, wxDataViewColumn const* columnPtr) const
 534 {
 535   if (item.IsOk() && (columnPtr != NULL))
 536     return GetDataViewPeer()->GetRectangle(item,columnPtr);
 537   else
 538     return wxRect();
 539 }
 540
 541 int wxDataViewCtrl::GetSelectedItemsCount() const
 542 {
 543   return GetDataViewPeer()->GetSelectedItemsCount();
 544 }
 545
 546 int wxDataViewCtrl::GetSelections(wxDataViewItemArray& sel) const
 547 {
 548   return GetDataViewPeer()->GetSelections(sel);
 549 }
 550
 551 void wxDataViewCtrl::HitTest(wxPoint const& point, wxDataViewItem& item, wxDataViewColumn*& columnPtr) const
 552 {
 553   return GetDataViewPeer()->HitTest(point,item,columnPtr);
 554 }
 555
 556 bool wxDataViewCtrl::IsSelected(wxDataViewItem const& item) const
 557 {
 558   return GetDataViewPeer()->IsSelected(item);
 559 }
 560
 561 void wxDataViewCtrl::Select(wxDataViewItem const& item)
 562 {
 563   if (item.IsOk())
 564   {
 565     ExpandAncestors(item); // make sure that the item exists in the control
 566     GetDataViewPeer()->Select(item);
 567   }
 568 }
 569
 570 void wxDataViewCtrl::SelectAll()
 571 {
 572   GetDataViewPeer()->SelectAll();
 573 }
 574
 575 void wxDataViewCtrl::SetSelections(wxDataViewItemArray const& sel)
 576 {
 577     size_t const noOfSelections = sel.GetCount();
 578
 579     size_t i;
 580
 581     wxDataViewItem last_parent;
 582
 583
 584    // make sure that all to be selected items are visible in the control:
 585     for (i = 0; i < noOfSelections; i++)
 586     {
 587         wxDataViewItem item   = sel[i];
 588         wxDataViewItem parent = GetModel()->GetParent( item );
 589
 590         if (parent.IsOk() && (parent != last_parent))
 591           ExpandAncestors(item);
 592         last_parent = parent;
 593     }
 594
 595    // finally select the items:
 596     wxDataViewWidgetImpl* dataViewWidgetPtr(GetDataViewPeer()); // variable definition for abbreviational purposes
 597
 598     for (i=0; i<noOfSelections; ++i)
 599       dataViewWidgetPtr->Select(sel[i]);
 600 }
 601
 602 void wxDataViewCtrl::Unselect(wxDataViewItem const& item)
 603 {
 604   if (item.IsOk())
 605     GetDataViewPeer()->Unselect(item);
 606 }
 607
 608 void wxDataViewCtrl::UnselectAll()
 609 {
 610   GetDataViewPeer()->UnselectAll();
 611 }
 612
 613 //
 614 // implementation
 615 //
 616 wxDataViewWidgetImpl* wxDataViewCtrl::GetDataViewPeer() const
 617 {
 618   return dynamic_cast<wxDataViewWidgetImpl*>(GetPeer());
 619 }
 620
 621 void wxDataViewCtrl::AddChildren(wxDataViewItem const& parentItem)
 622 {
 623   int noOfChildren;
 624
 625   wxDataViewItemArray items;
 626
 627
 628   wxCHECK_RET(GetModel() != NULL,"Model pointer not initialized.");
 629   noOfChildren = GetModel()->GetChildren(parentItem,items);
 630   (void) GetModel()->ItemsAdded(parentItem,items);
 631 }
 632
 633 void wxDataViewCtrl::StartEditor( const wxDataViewItem & item, unsigned int column )
 634 {
 635     GetDataViewPeer()->StartEditor(item, column);
 636 }
 637
 638 void wxDataViewCtrl::FinishCustomItemEditing()
 639 {
 640   if (GetCustomRendererItem().IsOk())
 641   {
 642     GetCustomRendererPtr()->FinishEditing();
 643     SetCustomRendererItem(wxDataViewItem());
 644     SetCustomRendererPtr (NULL);
 645   }
 646 }
 647
 648 /*static*/
 649 wxVisualAttributes
 650 wxDataViewCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 651 {
 652     wxVisualAttributes attr;
 653
 654     attr.colFg = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOWTEXT );
 655     attr.colBg = wxSystemSettings::GetColour( wxSYS_COLOUR_LISTBOX );
 656     static wxFont font = wxFont(wxOSX_SYSTEM_FONT_VIEWS);
 657     attr.font = font;
 658
 659     return attr;
 660 }
 661
 662 // inherited methods from wxDataViewCtrlBase
 663 void wxDataViewCtrl::DoSetExpanderColumn()
 664 {
 665   if (GetExpanderColumn() != NULL)
 666     GetDataViewPeer()->DoSetExpanderColumn(GetExpanderColumn());
 667 }
 668
 669 void wxDataViewCtrl::DoSetIndent()
 670 {
 671   GetDataViewPeer()->DoSetIndent(GetIndent());
 672 }
 673
 674 // event handling:
 675 void wxDataViewCtrl::OnSize(wxSizeEvent& event)
 676 {
 677   unsigned int const noOfColumns = GetColumnCount();
 678
 679
 680  // reset DC of all custom renderers because DC has changed:
 681   for (unsigned int i=0; i<noOfColumns; ++i)
 682   {
 683     wxDataViewColumn* dataViewColumnPtr(GetColumn(i));
 684
 685     if (dataViewColumnPtr != NULL)
 686     {
 687       wxDataViewCustomRenderer* dataViewCustomRendererPtr(dynamic_cast<wxDataViewCustomRenderer*>(dataViewColumnPtr->GetRenderer()));
 688
 689       if (dataViewCustomRendererPtr != NULL)
 690         dataViewCustomRendererPtr->SetDC(NULL);
 691     }
 692   }
 693
 694  // update the layout of the native control after a size event:
 695   GetDataViewPeer()->OnSize();
 696
 697   event.Skip();
 698 }
 699
 700 wxSize wxDataViewCtrl::DoGetBestSize() const
 701 {
 702     wxSize best = wxControl::DoGetBestSize();
 703     best.y = 80;
 704
 705     return best;
 706 }
 707
 708 void wxDataViewCtrl::OnMouse(wxMouseEvent& event)
 709 {
 710     event.Skip();
 711
 712 #if wxOSX_USE_CARBON
 713     if (GetModel() == NULL)
 714         return;
 715
 716     wxMacDataViewDataBrowserListViewControlPointer MacDataViewListCtrlPtr(dynamic_cast<wxMacDataViewDataBrowserListViewControlPointer>(GetPeer()));
 717
 718     int NoOfChildren;
 719     wxDataViewItemArray items;
 720     NoOfChildren = GetModel()->GetChildren( wxDataViewItem(), items);
 721     if (NoOfChildren == 0)
 722        return;
 723     wxDataViewItem firstChild = items[0];
 724
 725     UInt16 headerHeight = 0;
 726     MacDataViewListCtrlPtr->GetHeaderButtonHeight(&headerHeight);
 727
 728
 729     if (event.GetY() < headerHeight)
 730     {
 731        unsigned int col_count = GetColumnCount();
 732        unsigned int col;
 733        for (col = 0; col < col_count; col++)
 734        {
 735            wxDataViewColumn *column = GetColumn( col );
 736            if (column->IsHidden())
 737               continue;
 738
 739            Rect itemrect;
 740            ::GetDataBrowserItemPartBounds( MacDataViewListCtrlPtr->GetControlRef(),
 741               reinterpret_cast<DataBrowserItemID>(firstChild.GetID()), column->GetNativeData()->GetPropertyID(),
 742               kDataBrowserPropertyEnclosingPart, &itemrect );
 743
 744            if (abs( event.GetX() - itemrect.right) < 3)
 745            {
 746                if (column->GetFlags() & wxDATAVIEW_COL_RESIZABLE)
 747                   SetCursor( wxCursor( wxCURSOR_SIZEWE ) );
 748                else
 749                   SetCursor( *wxSTANDARD_CURSOR );
 750                return;
 751            }
 752        }
 753
 754     }
 755     SetCursor( *wxSTANDARD_CURSOR );
 756 #endif
 757 }
 758
 759 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl,wxDataViewCtrlBase)
 760
 761 BEGIN_EVENT_TABLE(wxDataViewCtrl,wxDataViewCtrlBase)
 762   EVT_SIZE(wxDataViewCtrl::OnSize)
 763   EVT_MOTION(wxDataViewCtrl::OnMouse)
 764 END_EVENT_TABLE()
 765
 766 #endif // (wxUSE_DATAVIEWCTRL != 0) && (!defined(wxUSE_GENERICDATAVIEWCTRL) || (wxUSE_GENERICDATAVIEWCTRL == 0))
 767