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 wxDataViewColumn *wxDataViewCtrl::GetCurrentColumn() const
 534 {
 535     return GetDataViewPeer()->GetCurrentColumn();
 536 }
 537
 538 wxRect wxDataViewCtrl::GetItemRect(wxDataViewItem const& item, wxDataViewColumn const* columnPtr) const
 539 {
 540   if (item.IsOk() && (columnPtr != NULL))
 541     return GetDataViewPeer()->GetRectangle(item,columnPtr);
 542   else
 543     return wxRect();
 544 }
 545
 546 int wxDataViewCtrl::GetSelectedItemsCount() const
 547 {
 548   return GetDataViewPeer()->GetSelectedItemsCount();
 549 }
 550
 551 int wxDataViewCtrl::GetSelections(wxDataViewItemArray& sel) const
 552 {
 553   return GetDataViewPeer()->GetSelections(sel);
 554 }
 555
 556 void wxDataViewCtrl::HitTest(wxPoint const& point, wxDataViewItem& item, wxDataViewColumn*& columnPtr) const
 557 {
 558   return GetDataViewPeer()->HitTest(point,item,columnPtr);
 559 }
 560
 561 bool wxDataViewCtrl::IsSelected(wxDataViewItem const& item) const
 562 {
 563   return GetDataViewPeer()->IsSelected(item);
 564 }
 565
 566 void wxDataViewCtrl::Select(wxDataViewItem const& item)
 567 {
 568   if (item.IsOk())
 569   {
 570     ExpandAncestors(item); // make sure that the item exists in the control
 571     GetDataViewPeer()->Select(item);
 572   }
 573 }
 574
 575 void wxDataViewCtrl::SelectAll()
 576 {
 577   GetDataViewPeer()->SelectAll();
 578 }
 579
 580 void wxDataViewCtrl::SetSelections(wxDataViewItemArray const& sel)
 581 {
 582     size_t const noOfSelections = sel.GetCount();
 583
 584     size_t i;
 585
 586     wxDataViewItem last_parent;
 587
 588
 589    // make sure that all to be selected items are visible in the control:
 590     for (i = 0; i < noOfSelections; i++)
 591     {
 592         wxDataViewItem item   = sel[i];
 593         wxDataViewItem parent = GetModel()->GetParent( item );
 594
 595         if (parent.IsOk() && (parent != last_parent))
 596           ExpandAncestors(item);
 597         last_parent = parent;
 598     }
 599
 600    // finally select the items:
 601     wxDataViewWidgetImpl* dataViewWidgetPtr(GetDataViewPeer()); // variable definition for abbreviational purposes
 602
 603     for (i=0; i<noOfSelections; ++i)
 604       dataViewWidgetPtr->Select(sel[i]);
 605 }
 606
 607 void wxDataViewCtrl::Unselect(wxDataViewItem const& item)
 608 {
 609   if (item.IsOk())
 610     GetDataViewPeer()->Unselect(item);
 611 }
 612
 613 void wxDataViewCtrl::UnselectAll()
 614 {
 615   GetDataViewPeer()->UnselectAll();
 616 }
 617
 618 //
 619 // implementation
 620 //
 621 wxDataViewWidgetImpl* wxDataViewCtrl::GetDataViewPeer() const
 622 {
 623   return dynamic_cast<wxDataViewWidgetImpl*>(GetPeer());
 624 }
 625
 626 void wxDataViewCtrl::AddChildren(wxDataViewItem const& parentItem)
 627 {
 628   int noOfChildren;
 629
 630   wxDataViewItemArray items;
 631
 632
 633   wxCHECK_RET(GetModel() != NULL,"Model pointer not initialized.");
 634   noOfChildren = GetModel()->GetChildren(parentItem,items);
 635   (void) GetModel()->ItemsAdded(parentItem,items);
 636 }
 637
 638 void wxDataViewCtrl::EditItem(const wxDataViewItem& item, const wxDataViewColumn *column)
 639 {
 640     GetDataViewPeer()->StartEditor(item, GetColumnPosition(column));
 641 }
 642
 643 void wxDataViewCtrl::FinishCustomItemEditing()
 644 {
 645   if (GetCustomRendererItem().IsOk())
 646   {
 647     GetCustomRendererPtr()->FinishEditing();
 648     SetCustomRendererItem(wxDataViewItem());
 649     SetCustomRendererPtr (NULL);
 650   }
 651 }
 652
 653 /*static*/
 654 wxVisualAttributes
 655 wxDataViewCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 656 {
 657     wxVisualAttributes attr;
 658
 659     attr.colFg = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOWTEXT );
 660     attr.colBg = wxSystemSettings::GetColour( wxSYS_COLOUR_LISTBOX );
 661     static wxFont font = wxFont(wxOSX_SYSTEM_FONT_VIEWS);
 662     attr.font = font;
 663
 664     return attr;
 665 }
 666
 667 // inherited methods from wxDataViewCtrlBase
 668 void wxDataViewCtrl::DoSetExpanderColumn()
 669 {
 670   if (GetExpanderColumn() != NULL)
 671     GetDataViewPeer()->DoSetExpanderColumn(GetExpanderColumn());
 672 }
 673
 674 void wxDataViewCtrl::DoSetIndent()
 675 {
 676   GetDataViewPeer()->DoSetIndent(GetIndent());
 677 }
 678
 679 // event handling:
 680 void wxDataViewCtrl::OnSize(wxSizeEvent& event)
 681 {
 682   unsigned int const noOfColumns = GetColumnCount();
 683
 684
 685  // reset DC of all custom renderers because DC has changed:
 686   for (unsigned int i=0; i<noOfColumns; ++i)
 687   {
 688     wxDataViewColumn* dataViewColumnPtr(GetColumn(i));
 689
 690     if (dataViewColumnPtr != NULL)
 691     {
 692       wxDataViewCustomRenderer* dataViewCustomRendererPtr(dynamic_cast<wxDataViewCustomRenderer*>(dataViewColumnPtr->GetRenderer()));
 693
 694       if (dataViewCustomRendererPtr != NULL)
 695         dataViewCustomRendererPtr->SetDC(NULL);
 696     }
 697   }
 698
 699  // update the layout of the native control after a size event:
 700   GetDataViewPeer()->OnSize();
 701
 702   event.Skip();
 703 }
 704
 705 wxSize wxDataViewCtrl::DoGetBestSize() const
 706 {
 707     wxSize best = wxControl::DoGetBestSize();
 708     best.y = 80;
 709
 710     return best;
 711 }
 712
 713 void wxDataViewCtrl::OnMouse(wxMouseEvent& event)
 714 {
 715     event.Skip();
 716
 717 #if wxOSX_USE_CARBON
 718     if (GetModel() == NULL)
 719         return;
 720
 721     wxMacDataViewDataBrowserListViewControlPointer MacDataViewListCtrlPtr(dynamic_cast<wxMacDataViewDataBrowserListViewControlPointer>(GetPeer()));
 722
 723     int NoOfChildren;
 724     wxDataViewItemArray items;
 725     NoOfChildren = GetModel()->GetChildren( wxDataViewItem(), items);
 726     if (NoOfChildren == 0)
 727        return;
 728     wxDataViewItem firstChild = items[0];
 729
 730     UInt16 headerHeight = 0;
 731     MacDataViewListCtrlPtr->GetHeaderButtonHeight(&headerHeight);
 732
 733
 734     if (event.GetY() < headerHeight)
 735     {
 736        unsigned int col_count = GetColumnCount();
 737        unsigned int col;
 738        for (col = 0; col < col_count; col++)
 739        {
 740            wxDataViewColumn *column = GetColumn( col );
 741            if (column->IsHidden())
 742               continue;
 743
 744            Rect itemrect;
 745            ::GetDataBrowserItemPartBounds( MacDataViewListCtrlPtr->GetControlRef(),
 746               reinterpret_cast<DataBrowserItemID>(firstChild.GetID()), column->GetNativeData()->GetPropertyID(),
 747               kDataBrowserPropertyEnclosingPart, &itemrect );
 748
 749            if (abs( event.GetX() - itemrect.right) < 3)
 750            {
 751                if (column->GetFlags() & wxDATAVIEW_COL_RESIZABLE)
 752                   SetCursor( wxCursor( wxCURSOR_SIZEWE ) );
 753                else
 754                   SetCursor( *wxSTANDARD_CURSOR );
 755                return;
 756            }
 757        }
 758
 759     }
 760     SetCursor( *wxSTANDARD_CURSOR );
 761 #endif
 762 }
 763
 764 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl,wxDataViewCtrlBase)
 765
 766 BEGIN_EVENT_TABLE(wxDataViewCtrl,wxDataViewCtrlBase)
 767   EVT_SIZE(wxDataViewCtrl::OnSize)
 768   EVT_MOTION(wxDataViewCtrl::OnMouse)
 769 END_EVENT_TABLE()
 770
 771 #endif // (wxUSE_DATAVIEWCTRL != 0) && (!defined(wxUSE_GENERICDATAVIEWCTRL) || (wxUSE_GENERICDATAVIEWCTRL == 0))
 772