src/osx/cocoa/dataview.mm

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/cocoa/dataview.mm
   3 // Purpose:     wxDataView
   4 // Author:
   5 // Modified by:
   6 // Created:     2009-01-31
   7 // RCS-ID:      $Id: dataview.mm$
   8 // Copyright:
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #if (wxUSE_DATAVIEWCTRL == 1) && !defined(wxUSE_GENERICDATAVIEWCTRL)
  15
  16 #ifndef WX_PRECOMP
  17     #include "wx/app.h"
  18     #include "wx/toplevel.h"
  19     #include "wx/font.h"
  20     #include "wx/settings.h"
  21     #include "wx/utils.h"
  22 #endif
  23
  24 #include "wx/osx/private.h"
  25 #include "wx/osx/cocoa/dataview.h"
  26 #include "wx/renderer.h"
  27 #include "wx/stopwatch.h"
  28 #include "wx/dcgraph.h"
  29
  30 // ============================================================================
  31 // Constants used locally
  32 // ============================================================================
  33
  34 #define DataViewPboardType @"OutlineViewItem"
  35
  36 // ============================================================================
  37 // Classes used locally in dataview.mm
  38 // ============================================================================
  39
  40 // ============================================================================
  41 // wxPointerObject
  42 // ============================================================================
  43
  44 @implementation wxPointerObject
  45
  46 -(id) init
  47 {
  48     self = [super init];
  49     if (self != nil)
  50         self->pointer = NULL;
  51     return self;
  52 }
  53
  54 -(id) initWithPointer:(void*) initPointer
  55 {
  56     self = [super init];
  57     if (self != nil)
  58         self->pointer = initPointer;
  59     return self;
  60 }
  61
  62 //
  63 // inherited methods from NSObject
  64 //
  65 -(BOOL) isEqual:(id)object
  66 {
  67     return (object != nil) &&
  68              ([object isKindOfClass:[wxPointerObject class]]) &&
  69                  (pointer == [((wxPointerObject*) object) pointer]);
  70 }
  71
  72 -(NSUInteger) hash
  73 {
  74     return (NSUInteger) pointer;
  75 }
  76
  77 -(void*) pointer
  78 {
  79     return pointer;
  80 }
  81
  82 -(void) setPointer:(void*) newPointer
  83 {
  84     pointer = newPointer;
  85 }
  86
  87 @end
  88
  89 namespace
  90 {
  91
  92 inline wxDataViewItem wxDataViewItemFromItem(id item)
  93 {
  94     return wxDataViewItem([static_cast<wxPointerObject *>(item) pointer]);
  95 }
  96
  97 inline wxDataViewItem wxDataViewItemFromMaybeNilItem(id item)
  98 {
  99     return item == nil ? wxDataViewItem() : wxDataViewItemFromItem(item);
 100 }
 101
 102 } // anonymous namespace
 103
 104 // ----------------------------------------------------------------------------
 105 // wxCustomRendererObject
 106 // ----------------------------------------------------------------------------
 107
 108 @interface wxCustomRendererObject : NSObject <NSCopying>
 109 {
 110 @public
 111     wxDataViewCustomRenderer* customRenderer; // not owned by the class
 112 }
 113
 114     -(id) init;
 115     -(id) initWithRenderer:(wxDataViewCustomRenderer*)renderer;
 116 @end
 117
 118 @implementation wxCustomRendererObject
 119
 120 -(id) init
 121 {
 122     self = [super init];
 123     if (self != nil)
 124     {
 125         customRenderer = NULL;
 126     }
 127     return self;
 128 }
 129
 130 -(id) initWithRenderer:(wxDataViewCustomRenderer*)renderer
 131 {
 132     self = [super init];
 133     if (self != nil)
 134     {
 135         customRenderer = renderer;
 136     }
 137     return self;
 138 }
 139
 140 -(id) copyWithZone:(NSZone*)zone
 141 {
 142     wxCustomRendererObject* copy;
 143
 144     copy = [[[self class] allocWithZone:zone] init];
 145     copy->customRenderer = customRenderer;
 146
 147     return copy;
 148 }
 149 @end
 150
 151 // ----------------------------------------------------------------------------
 152 // wxDVCNSTableColumn: exists only to override NSTableColumn:dataCellForRow:
 153 // ----------------------------------------------------------------------------
 154
 155 @interface wxDVCNSTableColumn : NSTableColumn
 156 {
 157 }
 158
 159     // Get the identifier we use for the specified column. This should be used
 160     // for finding columns from identifier only, to initialize the identifier
 161     // of a new column use initWithColumnPointer below instead.
 162     +(NSString*) identifierForColumnPointer:(const wxDataViewColumn*)column;
 163
 164     // Initialize the column with the given pointer to the associated
 165     // wxDataViewColumn. This pointer can later be retrieved using
 166     // getColumnPointer.
 167     -(id) initWithColumnPointer:(const wxDataViewColumn*)column;
 168
 169     // Retrieve the associated column.
 170     -(wxDataViewColumn*) getColumnPointer;
 171
 172     -(id) dataCellForRow:(NSInteger)row;
 173 @end
 174
 175 @implementation wxDVCNSTableColumn
 176
 177 +(NSString*) identifierForColumnPointer:(const wxDataViewColumn*)column
 178 {
 179     // Starting from OS X 10.7 the column identifier must be an NSString and
 180     // not just some arbitrary object, so we serialize the pointer into the
 181     // string. Notice the use of NSInteger which is big enough to store a
 182     // pointer in both 32 and 64 bit builds.
 183     return [NSString stringWithFormat:@"%lu", reinterpret_cast<NSUInteger>(column)];
 184 }
 185
 186 -(id) initWithColumnPointer:(const wxDataViewColumn*)column
 187 {
 188     [self initWithIdentifier: [wxDVCNSTableColumn identifierForColumnPointer:column]];
 189     return self;
 190 }
 191
 192 -(wxDataViewColumn*) getColumnPointer
 193 {
 194     // The case to NSString is needed for OS X < 10.7.
 195     return reinterpret_cast<wxDataViewColumn*>(
 196             [static_cast<NSString*>([self identifier]) integerValue]);
 197 }
 198
 199 -(id) dataCellForRow:(NSInteger)row
 200 {
 201     // what we want to do here is to simply return nil for the cells which
 202     // shouldn't show anything as otherwise we would show e.g. empty combo box
 203     // or progress cells in the columns using the corresponding types even for
 204     // the container rows which is wrong
 205
 206     const wxDataViewColumn * const dvCol = [self getColumnPointer];
 207
 208     const wxDataViewCtrl * const dvc = dvCol->GetOwner();
 209     const wxCocoaDataViewControl * const
 210         peer = static_cast<wxCocoaDataViewControl *>(dvc->GetPeer());
 211
 212
 213     // once we do have everything, simply ask NSOutlineView for the item...
 214     const id item = peer->GetItemAtRow(row);
 215     if ( item )
 216     {
 217         // ... and if it succeeded, ask the model whether it has any value
 218         wxDataViewItem dvItem(wxDataViewItemFromItem(item));
 219
 220         if ( !dvc->GetModel()->HasValue(dvItem, dvCol->GetModelColumn()) )
 221             return nil;
 222     }
 223
 224     return [super dataCellForRow:row];
 225 }
 226
 227 @end
 228
 229 // ============================================================================
 230 // local helpers
 231 // ============================================================================
 232
 233 namespace
 234 {
 235
 236 // convert from NSObject to different C++ types: all these functions check
 237 // that the conversion really makes sense and assert if it doesn't
 238 wxString ObjectToString(NSObject *object)
 239 {
 240     wxCHECK_MSG( [object isKindOfClass:[NSString class]], "",
 241                  wxString::Format
 242                  (
 243                     "string expected but got %s",
 244                     wxCFStringRef::AsString([object className])
 245                  ));
 246
 247     return wxCFStringRef([((NSString*) object) retain]).AsString();
 248 }
 249
 250 bool ObjectToBool(NSObject *object)
 251 {
 252     // actually the value must be of NSCFBoolean class but it's private so we
 253     // can't check for it directly
 254     wxCHECK_MSG( [object isKindOfClass:[NSNumber class]], false,
 255                  wxString::Format
 256                  (
 257                     "number expected but got %s",
 258                     wxCFStringRef::AsString([object className])
 259                  ));
 260
 261     return [(NSNumber *)object boolValue];
 262 }
 263
 264 long ObjectToLong(NSObject *object)
 265 {
 266     wxCHECK_MSG( [object isKindOfClass:[NSNumber class]], -1,
 267                  wxString::Format
 268                  (
 269                     "number expected but got %s",
 270                     wxCFStringRef::AsString([object className])
 271                  ));
 272
 273     return [(NSNumber *)object longValue];
 274 }
 275
 276 wxDateTime ObjectToDate(NSObject *object)
 277 {
 278     wxCHECK_MSG( [object isKindOfClass:[NSDate class]], wxInvalidDateTime,
 279                  wxString::Format
 280                  (
 281                     "date expected but got %s",
 282                     wxCFStringRef::AsString([object className])
 283                  ));
 284
 285     // get the number of seconds since 1970-01-01 UTC and this is the only
 286     // way to convert a double to a wxLongLong
 287     const wxLongLong seconds = [((NSDate*) object) timeIntervalSince1970];
 288
 289     wxDateTime dt(1, wxDateTime::Jan, 1970);
 290     dt.Add(wxTimeSpan(0,0,seconds));
 291
 292     // the user has entered a date in the local timezone but seconds
 293     // contains the number of seconds from date in the local timezone
 294     // since 1970-01-01 UTC; therefore, the timezone information has to be
 295     // transferred to wxWidgets, too:
 296     dt.MakeFromTimezone(wxDateTime::UTC);
 297
 298     return dt;
 299 }
 300
 301 NSInteger CompareItems(id item1, id item2, void* context)
 302 {
 303     NSArray* const sortDescriptors = (NSArray*) context;
 304
 305     NSUInteger const count = [sortDescriptors count];
 306
 307     NSInteger result = NSOrderedSame;
 308     for ( NSUInteger i = 0; i < count && result == NSOrderedSame; ++i )
 309     {
 310         wxSortDescriptorObject* const
 311             sortDescriptor = (wxSortDescriptorObject*)
 312                 [sortDescriptors objectAtIndex:i];
 313
 314         int rc = [sortDescriptor modelPtr]->Compare
 315                  (
 316                      wxDataViewItemFromItem(item1),
 317                      wxDataViewItemFromItem(item2),
 318                      [sortDescriptor columnPtr]->GetModelColumn(),
 319                      [sortDescriptor ascending] == YES
 320                  );
 321
 322         if ( rc < 0 )
 323             result = NSOrderedAscending;
 324         else if ( rc > 0 )
 325             result = NSOrderedDescending;
 326     }
 327
 328     return result;
 329 }
 330
 331 NSTextAlignment ConvertToNativeHorizontalTextAlignment(int alignment)
 332 {
 333     if (alignment & wxALIGN_CENTER_HORIZONTAL)
 334         return NSCenterTextAlignment;
 335     else if (alignment & wxALIGN_RIGHT)
 336         return NSRightTextAlignment;
 337     else
 338         return NSLeftTextAlignment;
 339 }
 340
 341 NSTableColumn* CreateNativeColumn(const wxDataViewColumn *column)
 342 {
 343     wxDataViewRenderer * const renderer = column->GetRenderer();
 344
 345     wxCHECK_MSG( renderer, NULL, "column should have a renderer" );
 346
 347     wxDVCNSTableColumn * const nativeColumn(
 348         [[wxDVCNSTableColumn alloc] initWithColumnPointer: column]
 349     );
 350
 351     // setting the size related parameters:
 352     int resizingMask;
 353     if (column->IsResizeable())
 354     {
 355         resizingMask = NSTableColumnUserResizingMask;
 356         [nativeColumn setMinWidth:column->GetMinWidth()];
 357         [nativeColumn setMaxWidth:column->GetMaxWidth()];
 358     }
 359     else // column is not resizable [by user]
 360     {
 361         // if the control doesn't show a header, make the columns resize
 362         // automatically, this is particularly important for the single column
 363         // controls (such as wxDataViewTreeCtrl) as their unique column should
 364         // always take up all the available splace
 365         resizingMask = column->GetOwner()->HasFlag(wxDV_NO_HEADER)
 366                             ? NSTableColumnAutoresizingMask
 367                             : NSTableColumnNoResizing;
 368     }
 369     [nativeColumn setResizingMask:resizingMask];
 370
 371 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
 372     // setting the visibility:
 373     [nativeColumn setHidden:static_cast<BOOL>(column->IsHidden())];
 374 #endif
 375
 376     wxDataViewRendererNativeData * const renderData = renderer->GetNativeData();
 377
 378     // setting the header:
 379     [[nativeColumn headerCell] setAlignment:
 380         ConvertToNativeHorizontalTextAlignment(column->GetAlignment())];
 381     [[nativeColumn headerCell] setStringValue:
 382         [[wxCFStringRef(column->GetTitle()).AsNSString() retain] autorelease]];
 383     renderData->ApplyLineBreakMode([nativeColumn headerCell]);
 384
 385     // setting data cell's properties:
 386     [[nativeColumn dataCell] setWraps:NO];
 387     // setting the default data cell:
 388     [nativeColumn setDataCell:renderData->GetColumnCell()];
 389     // setting the editablility:
 390     const bool isEditable = renderer->GetMode() == wxDATAVIEW_CELL_EDITABLE;
 391
 392     [nativeColumn setEditable:isEditable];
 393     [[nativeColumn dataCell] setEditable:isEditable];
 394
 395     return nativeColumn;
 396 }
 397
 398 } // anonymous namespace
 399
 400 // ============================================================================
 401 // Public helper functions for dataview implementation on OSX
 402 // ============================================================================
 403
 404 wxWidgetImplType* CreateDataView(wxWindowMac* wxpeer,
 405                                  wxWindowMac* WXUNUSED(parent),
 406                                  wxWindowID WXUNUSED(id),
 407                                  const wxPoint& pos,
 408                                  const wxSize& size,
 409                                  long style,
 410                                  long WXUNUSED(extraStyle))
 411 {
 412     return new wxCocoaDataViewControl(wxpeer,pos,size,style);
 413 }
 414
 415 // ============================================================================
 416 // wxSortDescriptorObject
 417 // ============================================================================
 418
 419 @implementation wxSortDescriptorObject
 420 -(id) init
 421 {
 422     self = [super init];
 423     if (self != nil)
 424     {
 425         columnPtr = NULL;
 426         modelPtr  = NULL;
 427     }
 428     return self;
 429 }
 430
 431 -(id)
 432 initWithModelPtr:(wxDataViewModel*)initModelPtr
 433     sortingColumnPtr:(wxDataViewColumn*)initColumnPtr
 434     ascending:(BOOL)sortAscending
 435 {
 436     self = [super initWithKey:@"dummy" ascending:sortAscending];
 437     if (self != nil)
 438     {
 439         columnPtr = initColumnPtr;
 440         modelPtr  = initModelPtr;
 441     }
 442     return self;
 443 }
 444
 445 -(id) copyWithZone:(NSZone*)zone
 446 {
 447     wxSortDescriptorObject* copy;
 448
 449
 450     copy = [super copyWithZone:zone];
 451     copy->columnPtr = columnPtr;
 452     copy->modelPtr  = modelPtr;
 453
 454     return copy;
 455 }
 456
 457 //
 458 // access to model column's index
 459 //
 460 -(wxDataViewColumn*) columnPtr
 461 {
 462     return columnPtr;
 463 }
 464
 465 -(wxDataViewModel*) modelPtr
 466 {
 467     return modelPtr;
 468 }
 469
 470 -(void) setColumnPtr:(wxDataViewColumn*)newColumnPtr
 471 {
 472     columnPtr = newColumnPtr;
 473 }
 474
 475 -(void) setModelPtr:(wxDataViewModel*)newModelPtr
 476 {
 477     modelPtr = newModelPtr;
 478 }
 479
 480 @end
 481
 482 // ============================================================================
 483 // wxCocoaOutlineDataSource
 484 // ============================================================================
 485 @implementation wxCocoaOutlineDataSource
 486
 487 //
 488 // constructors / destructor
 489 //
 490 -(id) init
 491 {
 492     self = [super init];
 493     if (self != nil)
 494     {
 495         implementation = NULL;
 496         model          = NULL;
 497
 498         currentParentItem = nil;
 499
 500         children = [[NSMutableArray alloc] init];
 501         items    = [[NSMutableSet   alloc] init];
 502     }
 503     return self;
 504 }
 505
 506 -(void) dealloc
 507 {
 508     [currentParentItem release];
 509
 510     [children release];
 511     [items    release];
 512
 513     [super dealloc];
 514 }
 515
 516 //
 517 // methods of informal protocol:
 518 //
 519 -(BOOL)
 520 outlineView:(NSOutlineView*)outlineView
 521     acceptDrop:(id<NSDraggingInfo>)info
 522     item:(id)item childIndex:(NSInteger)index
 523 {
 524     wxUnusedVar(outlineView);
 525     wxUnusedVar(index);
 526
 527     NSArray* supportedTypes(
 528         [NSArray arrayWithObjects:DataViewPboardType,NSStringPboardType,nil]
 529     );
 530
 531     NSPasteboard* pasteboard([info draggingPasteboard]);
 532
 533     NSString* bestType([pasteboard availableTypeFromArray:supportedTypes]);
 534
 535     if ( bestType == nil )
 536         return FALSE;
 537
 538     wxDataViewCtrl * const dvc(implementation->GetDataViewCtrl());
 539
 540     wxCHECK_MSG( dvc, false,
 541                      "Pointer to data view control not set correctly." );
 542     wxCHECK_MSG( dvc->GetModel(), false,
 543                     "Pointer to model not set correctly." );
 544
 545     wxDataViewEvent event(wxEVT_DATAVIEW_ITEM_DROP, dvc->GetId());
 546     event.SetEventObject(dvc);
 547     event.SetItem(wxDataViewItemFromItem(item));
 548     event.SetModel(dvc->GetModel());
 549
 550     BOOL dragSuccessful = false;
 551     if ( [bestType compare:DataViewPboardType] == NSOrderedSame )
 552     {
 553         NSArray* dataArray((NSArray*)
 554                       [pasteboard propertyListForType:DataViewPboardType]);
 555         NSUInteger indexDraggedItem, noOfDraggedItems([dataArray count]);
 556
 557         indexDraggedItem = 0;
 558         while (indexDraggedItem < noOfDraggedItems)
 559         {
 560             wxDataObjectComposite* dataObjects(
 561                 implementation->GetDnDDataObjects((NSData*)
 562                     [dataArray objectAtIndex:indexDraggedItem]));
 563
 564             if (dataObjects && (dataObjects->GetFormatCount() > 0))
 565             {
 566                 wxMemoryBuffer buffer;
 567
 568                 // copy data into data object:
 569                 event.SetDataObject(dataObjects);
 570                 event.SetDataFormat(
 571                     implementation->GetDnDDataFormat(dataObjects));
 572                 // copy data into buffer:
 573                 dataObjects->GetDataHere(
 574                     event.GetDataFormat().GetType(),
 575                     buffer.GetWriteBuf(event.GetDataSize()));
 576                 buffer.UngetWriteBuf(event.GetDataSize());
 577                 event.SetDataBuffer(buffer.GetData());
 578                 // finally, send event:
 579                 if (dvc->HandleWindowEvent(event) && event.IsAllowed())
 580                 {
 581                     dragSuccessful = true;
 582                     ++indexDraggedItem;
 583                 }
 584                 else
 585                 {
 586                     dragSuccessful   = true;
 587                     indexDraggedItem = noOfDraggedItems; // stop loop
 588                 }
 589             }
 590             else
 591             {
 592                 dragSuccessful   = false;
 593                 indexDraggedItem = noOfDraggedItems; // stop loop
 594             }
 595             // clean-up:
 596             delete dataObjects;
 597         }
 598     }
 599     else
 600     {
 601         // needed to convert internally used UTF-16 representation to a UTF-8
 602         // representation
 603         CFDataRef              osxData;
 604         wxDataObjectComposite* dataObjects   (new wxDataObjectComposite());
 605         wxTextDataObject*      textDataObject(new wxTextDataObject());
 606
 607         osxData = ::CFStringCreateExternalRepresentation
 608                     (
 609                      kCFAllocatorDefault,
 610                      (CFStringRef)[pasteboard stringForType:NSStringPboardType],
 611                      kCFStringEncodingUTF8,
 612                      32
 613                     );
 614         if (textDataObject->SetData(::CFDataGetLength(osxData),
 615                                     ::CFDataGetBytePtr(osxData)))
 616             dataObjects->Add(textDataObject);
 617         else
 618             delete textDataObject;
 619         // send event if data could be copied:
 620         if (dataObjects->GetFormatCount() > 0)
 621         {
 622             event.SetDataObject(dataObjects);
 623             event.SetDataFormat(implementation->GetDnDDataFormat(dataObjects));
 624             if (dvc->HandleWindowEvent(event) && event.IsAllowed())
 625                 dragSuccessful = true;
 626             else
 627                 dragSuccessful = false;
 628         }
 629         else
 630             dragSuccessful = false;
 631         // clean up:
 632         ::CFRelease(osxData);
 633         delete dataObjects;
 634     }
 635     return dragSuccessful;
 636 }
 637
 638 -(id) outlineView:(NSOutlineView*)outlineView
 639     child:(NSInteger)index
 640     ofItem:(id)item
 641 {
 642     wxUnusedVar(outlineView);
 643
 644     if ((item == currentParentItem) &&
 645             (index < ((NSInteger) [self getChildCount])))
 646         return [self getChild:index];
 647
 648     wxDataViewItemArray dataViewChildren;
 649
 650     wxCHECK_MSG( model, 0, "Valid model in data source does not exist." );
 651     model->GetChildren(wxDataViewItemFromMaybeNilItem(item), dataViewChildren);
 652     [self bufferItem:item withChildren:&dataViewChildren];
 653     if ([sortDescriptors count] > 0)
 654         [children sortUsingFunction:CompareItems context:sortDescriptors];
 655     return [self getChild:index];
 656 }
 657
 658 -(BOOL) outlineView:(NSOutlineView*)outlineView isItemExpandable:(id)item
 659 {
 660     wxUnusedVar(outlineView);
 661
 662     wxCHECK_MSG( model, 0, "Valid model in data source does not exist." );
 663     return model->IsContainer(wxDataViewItemFromItem(item));
 664 }
 665
 666 -(NSInteger) outlineView:(NSOutlineView*)outlineView numberOfChildrenOfItem:(id)item
 667 {
 668     wxUnusedVar(outlineView);
 669
 670     NSInteger noOfChildren;
 671
 672     wxDataViewItemArray dataViewChildren;
 673
 674
 675     wxCHECK_MSG( model, 0, "Valid model in data source does not exist." );
 676     noOfChildren = model->GetChildren(wxDataViewItemFromMaybeNilItem(item),
 677                                       dataViewChildren);
 678     [self bufferItem:item withChildren:&dataViewChildren];
 679     if ([sortDescriptors count] > 0)
 680         [children sortUsingFunction:CompareItems context:sortDescriptors];
 681     return noOfChildren;
 682 }
 683
 684 -(id)
 685 outlineView:(NSOutlineView*)outlineView
 686     objectValueForTableColumn:(NSTableColumn*)tableColumn
 687     byItem:(id)item
 688 {
 689     wxUnusedVar(outlineView);
 690
 691     wxCHECK_MSG( model, nil, "Valid model in data source does not exist." );
 692
 693     wxDataViewColumn* const
 694         col([static_cast<wxDVCNSTableColumn*>(tableColumn) getColumnPointer]);
 695     const unsigned colIdx = col->GetModelColumn();
 696
 697     wxDataViewItem dataViewItem(wxDataViewItemFromItem(item));
 698
 699     if ( model->HasValue(dataViewItem, colIdx) )
 700     {
 701         wxVariant value;
 702         model->GetValue(value,dataViewItem, colIdx);
 703         col->GetRenderer()->SetValue(value);
 704     }
 705
 706     return nil;
 707 }
 708
 709 -(void)
 710 outlineView:(NSOutlineView*)outlineView
 711     setObjectValue:(id)object
 712     forTableColumn:(NSTableColumn*)tableColumn
 713     byItem:(id)item
 714 {
 715     wxUnusedVar(outlineView);
 716
 717     wxDataViewColumn* const
 718         col([static_cast<wxDVCNSTableColumn*>(tableColumn) getColumnPointer]);
 719
 720     col->GetRenderer()->
 721         OSXOnCellChanged(object, wxDataViewItemFromItem(item), col->GetModelColumn());
 722 }
 723
 724 -(void) outlineView:(NSOutlineView*)outlineView sortDescriptorsDidChange:(NSArray*)oldDescriptors
 725 {
 726     wxUnusedVar(oldDescriptors);
 727
 728     // Warning: the new sort descriptors are guaranteed to be only of type
 729     // NSSortDescriptor! Therefore, the sort descriptors for the data source
 730     // have to be converted.
 731     NSArray* newDescriptors;
 732
 733     NSMutableArray* wxSortDescriptors;
 734
 735     NSUInteger noOfDescriptors;
 736
 737     wxDataViewCtrl* const dvc = implementation->GetDataViewCtrl();
 738
 739
 740     // convert NSSortDescriptors to wxSortDescriptorObjects:
 741     newDescriptors    = [outlineView sortDescriptors];
 742     noOfDescriptors   = [newDescriptors count];
 743     wxSortDescriptors = [NSMutableArray arrayWithCapacity:noOfDescriptors];
 744     for (NSUInteger i=0; i<noOfDescriptors; ++i)
 745     {
 746         NSSortDescriptor* const newDescriptor = [newDescriptors objectAtIndex:i];
 747
 748         [wxSortDescriptors addObject:[[[wxSortDescriptorObject alloc] initWithModelPtr:model
 749             sortingColumnPtr:dvc->GetColumn([[newDescriptor key] intValue])
 750             ascending:[newDescriptor ascending]] autorelease]];
 751     }
 752     [(wxCocoaOutlineDataSource*)[outlineView dataSource] setSortDescriptors:wxSortDescriptors];
 753
 754     // send first the event to wxWidgets that the sorting has changed so that
 755     // the program can do special actions before the sorting actually starts:
 756     wxDataViewEvent event(wxEVT_DATAVIEW_COLUMN_SORTED,dvc->GetId()); // variable definition
 757
 758     event.SetEventObject(dvc);
 759     if (noOfDescriptors > 0)
 760     {
 761         wxDataViewColumn* const col = [[wxSortDescriptors objectAtIndex:0] columnPtr];
 762
 763         event.SetColumn(dvc->GetColumnPosition(col));
 764         event.SetDataViewColumn(col);
 765     }
 766     dvc->GetEventHandler()->ProcessEvent(event);
 767
 768     // start re-ordering the data;
 769     // children's buffer must be cleared first because it contains the old order:
 770     [self clearChildren];
 771     // sorting is done while reloading the data:
 772     [outlineView reloadData];
 773 }
 774
 775 -(NSDragOperation) outlineView:(NSOutlineView*)outlineView validateDrop:(id<NSDraggingInfo>)info proposedItem:(id)item proposedChildIndex:(NSInteger)index
 776 {
 777     wxUnusedVar(outlineView);
 778     wxUnusedVar(index);
 779
 780     NSArray* supportedTypes([NSArray arrayWithObjects:DataViewPboardType,NSStringPboardType,nil]);
 781
 782     NSPasteboard* pasteboard([info draggingPasteboard]);
 783
 784     NSString* bestType([pasteboard availableTypeFromArray:supportedTypes]);
 785     if (bestType == nil)
 786         return NSDragOperationNone;
 787
 788     NSDragOperation dragOperation = NSDragOperationNone;
 789     wxDataViewCtrl* const dvc(implementation->GetDataViewCtrl());
 790
 791     wxCHECK_MSG(dvc, false, "Pointer to data view control not set correctly.");
 792     wxCHECK_MSG(dvc->GetModel(), false, "Pointer to model not set correctly.");
 793
 794     wxDataViewEvent
 795         event(wxEVT_DATAVIEW_ITEM_DROP_POSSIBLE,dvc->GetId());
 796
 797     event.SetEventObject(dvc);
 798     event.SetItem(wxDataViewItemFromItem(item));
 799     event.SetModel(dvc->GetModel());
 800     if ([bestType compare:DataViewPboardType] == NSOrderedSame)
 801     {
 802         NSArray*               dataArray((NSArray*)[pasteboard propertyListForType:DataViewPboardType]);
 803         NSUInteger             indexDraggedItem, noOfDraggedItems([dataArray count]);
 804
 805         indexDraggedItem = 0;
 806         while (indexDraggedItem < noOfDraggedItems)
 807         {
 808             wxDataObjectComposite* dataObjects(implementation->GetDnDDataObjects((NSData*)[dataArray objectAtIndex:indexDraggedItem]));
 809
 810             if (dataObjects && (dataObjects->GetFormatCount() > 0))
 811             {
 812                 wxMemoryBuffer buffer;
 813
 814                 // copy data into data object:
 815                 event.SetDataObject(dataObjects);
 816                 event.SetDataFormat(implementation->GetDnDDataFormat(dataObjects));
 817                 // copy data into buffer:
 818                 dataObjects->GetDataHere(event.GetDataFormat().GetType(),buffer.GetWriteBuf(event.GetDataSize()));
 819                 buffer.UngetWriteBuf(event.GetDataSize());
 820                 event.SetDataBuffer(buffer.GetData());
 821                 // finally, send event:
 822                 if (dvc->HandleWindowEvent(event) && event.IsAllowed())
 823                 {
 824                     dragOperation = NSDragOperationEvery;
 825                     ++indexDraggedItem;
 826                 }
 827                 else
 828                 {
 829                     dragOperation    = NSDragOperationNone;
 830                     indexDraggedItem = noOfDraggedItems; // stop loop
 831                 }
 832             }
 833             else
 834             {
 835                 dragOperation    = NSDragOperationNone;
 836                 indexDraggedItem = noOfDraggedItems; // stop loop
 837             }
 838             // clean-up:
 839             delete dataObjects;
 840         }
 841     }
 842     else
 843     {
 844         // needed to convert internally used UTF-16 representation to a UTF-8
 845         // representation
 846         CFDataRef              osxData;
 847         wxDataObjectComposite* dataObjects   (new wxDataObjectComposite());
 848         wxTextDataObject*      textDataObject(new wxTextDataObject());
 849
 850         osxData = ::CFStringCreateExternalRepresentation(kCFAllocatorDefault,(CFStringRef)[pasteboard stringForType:NSStringPboardType],kCFStringEncodingUTF8,32);
 851         if (textDataObject->SetData(::CFDataGetLength(osxData),::CFDataGetBytePtr(osxData)))
 852             dataObjects->Add(textDataObject);
 853         else
 854             delete textDataObject;
 855         // send event if data could be copied:
 856         if (dataObjects->GetFormatCount() > 0)
 857         {
 858             event.SetDataObject(dataObjects);
 859             event.SetDataFormat(implementation->GetDnDDataFormat(dataObjects));
 860             if (dvc->HandleWindowEvent(event) && event.IsAllowed())
 861                 dragOperation = NSDragOperationEvery;
 862             else
 863                 dragOperation = NSDragOperationNone;
 864         }
 865         else
 866             dragOperation = NSDragOperationNone;
 867         // clean up:
 868         ::CFRelease(osxData);
 869         delete dataObjects;
 870     }
 871
 872     return dragOperation;
 873 }
 874
 875 -(BOOL) outlineView:(NSOutlineView*)outlineView writeItems:(NSArray*)writeItems toPasteboard:(NSPasteboard*)pasteboard
 876 {
 877     wxUnusedVar(outlineView);
 878
 879     // the pasteboard will be filled up with an array containing the data as
 880     // returned by the events (including the data type) and a concatenation of
 881     // text (string) data; the text data will only be put onto the pasteboard
 882     // if for all items a string representation exists
 883     wxDataViewCtrl* const dvc = implementation->GetDataViewCtrl();
 884
 885     wxDataViewItemArray dataViewItems;
 886
 887
 888     wxCHECK_MSG(dvc, false,"Pointer to data view control not set correctly.");
 889     wxCHECK_MSG(dvc->GetModel(),false,"Pointer to model not set correctly.");
 890
 891     if ([writeItems count] > 0)
 892     {
 893         bool            dataStringAvailable(true); // a flag indicating if for all items a data string is available
 894         NSMutableArray* dataArray = [NSMutableArray arrayWithCapacity:[writeItems count]]; // data of all items
 895         wxString        dataString; // contains the string data of all items
 896
 897         // send a begin drag event for all selected items and proceed with
 898         // dragging unless the event is vetoed:
 899         wxDataViewEvent
 900             event(wxEVT_DATAVIEW_ITEM_BEGIN_DRAG,dvc->GetId());
 901
 902         event.SetEventObject(dvc);
 903         event.SetModel(dvc->GetModel());
 904         for (size_t itemCounter=0; itemCounter<[writeItems count]; ++itemCounter)
 905         {
 906             bool                   itemStringAvailable(false);              // a flag indicating if for the current item a string is available
 907             wxDataObjectComposite* itemObject(new wxDataObjectComposite()); // data object for current item
 908             wxString               itemString;                              // contains the TAB concatenated data of an item
 909
 910             event.SetItem(
 911                 wxDataViewItemFromItem([writeItems objectAtIndex:itemCounter]));
 912             itemString = ::ConcatenateDataViewItemValues(dvc,event.GetItem());
 913             itemObject->Add(new wxTextDataObject(itemString));
 914             event.SetDataObject(itemObject);
 915             // check if event has not been vetoed:
 916             if (dvc->HandleWindowEvent(event) && event.IsAllowed() && (event.GetDataObject()->GetFormatCount() > 0))
 917             {
 918                 size_t const noOfFormats = event.GetDataObject()->GetFormatCount();
 919                 wxDataFormat* dataFormats(new wxDataFormat[noOfFormats]);
 920
 921                 event.GetDataObject()->GetAllFormats(dataFormats,wxDataObject::Get);
 922                 for (size_t formatCounter=0; formatCounter<noOfFormats; ++formatCounter)
 923                 {
 924                     // constant definitions for abbreviational purposes:
 925                     wxDataFormatId const idDataFormat = dataFormats[formatCounter].GetType();
 926                     size_t const dataSize       = event.GetDataObject()->GetDataSize(idDataFormat);
 927                     size_t const dataBufferSize = sizeof(wxDataFormatId)+dataSize;
 928                     // variable definitions (used in all case statements):
 929                     // give additional headroom for trailing NULL
 930                     wxMemoryBuffer dataBuffer(dataBufferSize+4);
 931
 932                     dataBuffer.AppendData(&idDataFormat,sizeof(wxDataFormatId));
 933                     switch (idDataFormat)
 934                     {
 935                         case wxDF_TEXT:
 936                             // otherwise wxDF_UNICODETEXT already filled up
 937                             // the string; and the UNICODE representation has
 938                             // priority
 939                             if (!itemStringAvailable)
 940                             {
 941                                 event.GetDataObject()->GetDataHere(wxDF_TEXT,dataBuffer.GetAppendBuf(dataSize));
 942                                 dataBuffer.UngetAppendBuf(dataSize);
 943                                 [dataArray addObject:[NSData dataWithBytes:dataBuffer.GetData() length:dataBufferSize]];
 944                                 itemString = wxString(static_cast<char const*>(dataBuffer.GetData())+sizeof(wxDataFormatId),wxConvLocal);
 945                                 itemStringAvailable = true;
 946                             }
 947                             break;
 948                         case wxDF_UNICODETEXT:
 949                             {
 950                                 event.GetDataObject()->GetDataHere(wxDF_UNICODETEXT,dataBuffer.GetAppendBuf(dataSize));
 951                                 dataBuffer.UngetAppendBuf(dataSize);
 952                                 if (itemStringAvailable) // does an object already exist as an ASCII text (see wxDF_TEXT case statement)?
 953                                     [dataArray replaceObjectAtIndex:itemCounter withObject:[NSData dataWithBytes:dataBuffer.GetData() length:dataBufferSize]];
 954                                 else
 955                                     [dataArray addObject:[NSData dataWithBytes:dataBuffer.GetData() length:dataBufferSize]];
 956                                 itemString = wxString::FromUTF8(static_cast<char const*>(dataBuffer.GetData())+sizeof(wxDataFormatId),dataSize);
 957                                 itemStringAvailable = true;
 958                             } /* block */
 959                             break;
 960                         default:
 961                             wxFAIL_MSG("Data object has invalid or unsupported data format");
 962                             return NO;
 963                     }
 964                 }
 965                 delete[] dataFormats;
 966                 delete itemObject;
 967                 if (dataStringAvailable)
 968                     if (itemStringAvailable)
 969                     {
 970                         if (itemCounter > 0)
 971                             dataString << wxT('\n');
 972                         dataString << itemString;
 973                     }
 974                     else
 975                         dataStringAvailable = false;
 976             }
 977             else
 978             {
 979                 delete itemObject;
 980                 return NO; // dragging was vetoed or no data available
 981             }
 982         }
 983         if (dataStringAvailable)
 984         {
 985             wxCFStringRef osxString(dataString);
 986
 987             [pasteboard declareTypes:[NSArray arrayWithObjects:DataViewPboardType,NSStringPboardType,nil] owner:nil];
 988             [pasteboard setPropertyList:dataArray forType:DataViewPboardType];
 989             [pasteboard setString:osxString.AsNSString() forType:NSStringPboardType];
 990         }
 991         else
 992         {
 993             [pasteboard declareTypes:[NSArray arrayWithObject:DataViewPboardType] owner:nil];
 994             [pasteboard setPropertyList:dataArray forType:DataViewPboardType];
 995         }
 996         return YES;
 997     }
 998     else
 999         return NO; // no items to drag (should never occur)
1000 }
1001
1002 //
1003 // buffer handling
1004 //
1005 -(void) addToBuffer:(wxPointerObject*)item
1006 {
1007     [items addObject:item];
1008 }
1009
1010 -(void) clearBuffer
1011 {
1012     [items removeAllObjects];
1013 }
1014
1015 -(wxPointerObject*) getDataViewItemFromBuffer:(const wxDataViewItem&)item
1016 {
1017     return [items member:[[[wxPointerObject alloc] initWithPointer:item.GetID()] autorelease]];
1018 }
1019
1020 -(wxPointerObject*) getItemFromBuffer:(wxPointerObject*)item
1021 {
1022     return [items member:item];
1023 }
1024
1025 -(BOOL) isInBuffer:(wxPointerObject*)item
1026 {
1027     return [items containsObject:item];
1028 }
1029
1030 -(void) removeFromBuffer:(wxPointerObject*)item
1031 {
1032     [items removeObject:item];
1033 }
1034
1035 //
1036 // children handling
1037 //
1038 -(void) appendChild:(wxPointerObject*)item
1039 {
1040     [children addObject:item];
1041 }
1042
1043 -(void) clearChildren
1044 {
1045     [children removeAllObjects];
1046 }
1047
1048 -(wxPointerObject*) getChild:(NSUInteger)index
1049 {
1050     return [children objectAtIndex:index];
1051 }
1052
1053 -(NSUInteger) getChildCount
1054 {
1055     return [children count];
1056 }
1057
1058 -(void) removeChild:(NSUInteger)index
1059 {
1060     [children removeObjectAtIndex:index];
1061 }
1062
1063 //
1064 // buffer handling
1065 //
1066 -(void) clearBuffers
1067 {
1068     [self clearBuffer];
1069     [self clearChildren];
1070     [self setCurrentParentItem:nil];
1071 }
1072
1073 //
1074 // sorting
1075 //
1076 -(NSArray*) sortDescriptors
1077 {
1078     return sortDescriptors;
1079 }
1080
1081 -(void) setSortDescriptors:(NSArray*)newSortDescriptors
1082 {
1083     [newSortDescriptors retain];
1084     [sortDescriptors release];
1085     sortDescriptors = newSortDescriptors;
1086 }
1087
1088 //
1089 // access to wxWidget's implementation
1090 //
1091 -(wxPointerObject*) currentParentItem
1092 {
1093     return currentParentItem;
1094 }
1095
1096 -(wxCocoaDataViewControl*) implementation
1097 {
1098     return implementation;
1099 }
1100
1101 -(wxDataViewModel*) model
1102 {
1103     return model;
1104 }
1105
1106 -(void) setCurrentParentItem:(wxPointerObject*)newCurrentParentItem
1107 {
1108     [newCurrentParentItem retain];
1109     [currentParentItem release];
1110     currentParentItem = newCurrentParentItem;
1111 }
1112
1113 -(void) setImplementation:(wxCocoaDataViewControl*) newImplementation
1114 {
1115     implementation = newImplementation;
1116 }
1117
1118 -(void) setModel:(wxDataViewModel*) newModel
1119 {
1120     model = newModel;
1121 }
1122
1123 //
1124 // other methods
1125 //
1126 -(void) bufferItem:(wxPointerObject*)parentItem withChildren:(wxDataViewItemArray*)dataViewChildrenPtr
1127 {
1128     NSInteger const noOfChildren = (*dataViewChildrenPtr).GetCount();
1129
1130     [self setCurrentParentItem:parentItem];
1131     [self clearChildren];
1132     for (NSInteger indexChild=0; indexChild<noOfChildren; ++indexChild)
1133     {
1134         wxPointerObject* bufferedPointerObject;
1135         wxPointerObject* newPointerObject([[wxPointerObject alloc] initWithPointer:(*dataViewChildrenPtr)[indexChild].GetID()]);
1136
1137         // The next statement and test looks strange but there is
1138         // unfortunately no workaround: due to the fact that two pointer
1139         // objects are identical if their pointers are identical - because the
1140         // method isEqual has been overloaded - the set operation will only
1141         // add a new pointer object if there is not already one in the set
1142         // having the same pointer. On the other side the children's array
1143         // would always add the new pointer object. This means that different
1144         // pointer objects are stored in the set and array. This will finally
1145         // lead to a crash as objects diverge. To solve this issue it is first
1146         // tested if the child already exists in the set and if it is the case
1147         // the sets object is going to be appended to the array, otheriwse the
1148         // new pointer object is added to the set and array:
1149         bufferedPointerObject = [self getItemFromBuffer:newPointerObject];
1150         if (bufferedPointerObject == nil)
1151         {
1152             [items    addObject:newPointerObject];
1153             [children addObject:newPointerObject];
1154         }
1155         else
1156             [children addObject:bufferedPointerObject];
1157         [newPointerObject release];
1158     }
1159 }
1160
1161 @end
1162
1163 // ============================================================================
1164 // wxCustomCell
1165 // ============================================================================
1166
1167 @implementation wxCustomCell
1168
1169 #if 0 // starting implementation for custom cell clicks
1170
1171 - (id)init
1172 {
1173     self = [super init];
1174     [self setAction:@selector(clickedAction)];
1175     [self setTarget:self];
1176     return self;
1177 }
1178
1179 - (void) clickedAction: (id) sender
1180 {
1181     wxUnusedVar(sender);
1182 }
1183
1184 #endif
1185
1186 -(NSSize) cellSize
1187 {
1188     wxCustomRendererObject * const
1189         obj = static_cast<wxCustomRendererObject *>([self objectValue]);
1190
1191
1192     const wxSize size = obj->customRenderer->GetSize();
1193     return NSMakeSize(size.x, size.y);
1194 }
1195
1196 //
1197 // implementations
1198 //
1199 -(void) drawWithFrame:(NSRect)cellFrame inView:(NSView*)controlView
1200 {
1201     wxCustomRendererObject * const
1202         obj = static_cast<wxCustomRendererObject *>([self objectValue]);
1203     if ( !obj )
1204     {
1205         // this may happen for the custom cells in container rows: they don't
1206         // have any values
1207         return;
1208     }
1209
1210     wxDataViewCustomRenderer * const renderer = obj->customRenderer;
1211
1212     // if this method is called everything is already setup correctly,
1213     CGContextRef context = (CGContextRef) [[NSGraphicsContext currentContext] graphicsPort];
1214     CGContextSaveGState( context );
1215
1216     if ( ![controlView isFlipped] )
1217     {
1218         CGContextTranslateCTM( context, 0,  [controlView bounds].size.height );
1219         CGContextScaleCTM( context, 1, -1 );
1220     }
1221
1222     wxGCDC dc;
1223     wxGraphicsContext* gc = wxGraphicsContext::CreateFromNative(context);
1224     dc.SetGraphicsContext(gc);
1225
1226     int state = 0;
1227     if ( [self isHighlighted] )
1228         state |= wxDATAVIEW_CELL_SELECTED;
1229
1230     renderer->WXCallRender(wxFromNSRect(controlView, cellFrame), &dc, state);
1231
1232     CGContextRestoreGState( context );
1233 }
1234
1235 -(NSRect) imageRectForBounds:(NSRect)cellFrame
1236 {
1237     return cellFrame;
1238 }
1239
1240 -(NSRect) titleRectForBounds:(NSRect)cellFrame
1241 {
1242     return cellFrame;
1243 }
1244
1245 @end
1246
1247 // ============================================================================
1248 // wxImageTextCell
1249 // ============================================================================
1250 @implementation wxImageTextCell
1251 //
1252 // initialization
1253 //
1254 -(id) init
1255 {
1256     self = [super init];
1257     if (self != nil)
1258     {
1259         // initializing the text part:
1260         [self setSelectable:YES];
1261         // initializing the image part:
1262         image       = nil;
1263         imageSize   = NSMakeSize(16,16);
1264         spaceImageText = 5.0;
1265         xImageShift    = 5.0;
1266     }
1267     return self;
1268 }
1269
1270 -(id) copyWithZone:(NSZone*)zone
1271 {
1272     wxImageTextCell* cell;
1273
1274
1275     cell = (wxImageTextCell*) [super copyWithZone:zone];
1276     cell->image          = [image retain];
1277     cell->imageSize      = imageSize;
1278     cell->spaceImageText = spaceImageText;
1279     cell->xImageShift    = xImageShift;
1280
1281     return cell;
1282 }
1283
1284 -(void) dealloc
1285 {
1286     [image release];
1287
1288     [super dealloc];
1289 }
1290
1291 //
1292 // alignment
1293 //
1294 -(NSTextAlignment) alignment
1295 {
1296     return cellAlignment;
1297 }
1298
1299 -(void) setAlignment:(NSTextAlignment)newAlignment
1300 {
1301     cellAlignment = newAlignment;
1302     switch (newAlignment)
1303     {
1304         case NSCenterTextAlignment:
1305         case NSLeftTextAlignment:
1306         case NSJustifiedTextAlignment:
1307         case NSNaturalTextAlignment:
1308             [super setAlignment:NSLeftTextAlignment];
1309             break;
1310         case NSRightTextAlignment:
1311             [super setAlignment:NSRightTextAlignment];
1312             break;
1313         default:
1314             wxFAIL_MSG("Unknown alignment type.");
1315     }
1316 }
1317
1318 //
1319 // image access
1320 //
1321 -(NSImage*) image
1322 {
1323     return image;
1324 }
1325
1326 -(void) setImage:(NSImage*)newImage
1327 {
1328     [newImage retain];
1329     [image release];
1330     image = newImage;
1331 }
1332
1333 -(NSSize) imageSize
1334 {
1335     return imageSize;
1336 }
1337
1338 -(void) setImageSize:(NSSize) newImageSize
1339 {
1340     imageSize = newImageSize;
1341 }
1342
1343 //
1344 // other methods
1345 //
1346 -(NSSize) cellImageSize
1347 {
1348     return NSMakeSize(imageSize.width+xImageShift+spaceImageText,imageSize.height);
1349 }
1350
1351 -(NSSize) cellSize
1352 {
1353     NSSize cellSize([super cellSize]);
1354
1355
1356     if (imageSize.height > cellSize.height)
1357         cellSize.height = imageSize.height;
1358     cellSize.width += imageSize.width+xImageShift+spaceImageText;
1359
1360     return cellSize;
1361 }
1362
1363 -(NSSize) cellTextSize
1364 {
1365     return [super cellSize];
1366 }
1367
1368 //
1369 // implementations
1370 //
1371 -(void) determineCellParts:(NSRect)cellFrame imagePart:(NSRect*)imageFrame textPart:(NSRect*)textFrame
1372 {
1373     switch (cellAlignment)
1374     {
1375         case NSCenterTextAlignment:
1376             {
1377                 CGFloat const cellSpace = cellFrame.size.width-[self cellSize].width;
1378
1379                 // if the cell's frame is smaller than its contents (at least
1380                 // in x-direction) make sure that the image is visible:
1381                 if (cellSpace <= 0)
1382                     NSDivideRect(cellFrame,imageFrame,textFrame,xImageShift+imageSize.width+spaceImageText,NSMinXEdge);
1383                 else // otherwise center the image and text in the cell's frame
1384                     NSDivideRect(cellFrame,imageFrame,textFrame,xImageShift+imageSize.width+spaceImageText+0.5*cellSpace,NSMinXEdge);
1385             }
1386             break;
1387         case NSJustifiedTextAlignment:
1388         case NSLeftTextAlignment:
1389         case NSNaturalTextAlignment: // how to determine the natural writing direction? TODO
1390             NSDivideRect(cellFrame,imageFrame,textFrame,xImageShift+imageSize.width+spaceImageText,NSMinXEdge);
1391             break;
1392         case NSRightTextAlignment:
1393             {
1394                 CGFloat const cellSpace = cellFrame.size.width-[self cellSize].width;
1395
1396                 // if the cell's frame is smaller than its contents (at least
1397                 // in x-direction) make sure that the image is visible:
1398                 if (cellSpace <= 0)
1399                     NSDivideRect(cellFrame,imageFrame,textFrame,xImageShift+imageSize.width+spaceImageText,NSMinXEdge);
1400                 else // otherwise right align the image and text in the cell's frame
1401                     NSDivideRect(cellFrame,imageFrame,textFrame,xImageShift+imageSize.width+spaceImageText+cellSpace,NSMinXEdge);
1402             }
1403             break;
1404         default:
1405             *imageFrame = NSZeroRect;
1406             *textFrame  = NSZeroRect;
1407             wxFAIL_MSG("Unhandled alignment type.");
1408     }
1409 }
1410
1411 -(void) drawWithFrame:(NSRect)cellFrame inView:(NSView*)controlView
1412 {
1413     NSRect textFrame, imageFrame;
1414
1415
1416     [self determineCellParts:cellFrame imagePart:&imageFrame textPart:&textFrame];
1417     // draw the image part by ourselves;
1418     // check if the cell has to draw its own background (checking is done by
1419     // the parameter of the textfield's cell):
1420     if ([self drawsBackground])
1421     {
1422         [[self backgroundColor] set];
1423         NSRectFill(imageFrame);
1424     }
1425     if (image != nil)
1426     {
1427         // the image is slightly shifted (xImageShift) and has a fixed size
1428         // but the image's frame might be larger and starts currently on the
1429         // left side of the cell's frame; therefore, the origin and the
1430         // image's frame size have to be adjusted:
1431         if (imageFrame.size.width >= xImageShift+imageSize.width+spaceImageText)
1432         {
1433             imageFrame.origin.x += imageFrame.size.width-imageSize.width-spaceImageText;
1434             imageFrame.size.width = imageSize.width;
1435         }
1436         else
1437         {
1438             imageFrame.origin.x   += xImageShift;
1439             imageFrame.size.width -= xImageShift+spaceImageText;
1440         }
1441         // ...and the image has to be centered in the y-direction:
1442         if (imageFrame.size.height > imageSize.height)
1443             imageFrame.size.height = imageSize.height;
1444         imageFrame.origin.y += ceil(0.5*(cellFrame.size.height-imageFrame.size.height));
1445
1446         // according to the documentation the coordinate system should be
1447         // flipped for NSTableViews (y-coordinate goes from top to bottom); to
1448         // draw an image correctly the coordinate system has to be transformed
1449         // to a bottom-top coordinate system, otherwise the image's
1450         // content is flipped:
1451         NSAffineTransform* coordinateTransform([NSAffineTransform transform]);
1452
1453         if ([controlView isFlipped])
1454         {
1455             [coordinateTransform scaleXBy: 1.0 yBy:-1.0]; // first the coordinate system is brought back to bottom-top orientation
1456             [coordinateTransform translateXBy:0.0 yBy:(-2.0)*imageFrame.origin.y-imageFrame.size.height]; // the coordinate system has to be moved to compensate for the
1457             [coordinateTransform concat];                                                                 // other orientation and the position of the image's frame
1458         }
1459         [image drawInRect:imageFrame fromRect:NSZeroRect operation:NSCompositeSourceOver fraction:1.0]; // suggested method to draw the image
1460         // instead of compositeToPoint:operation:
1461         // take back previous transformation (if the view is not flipped the
1462         // coordinate transformation matrix contains the identity matrix and
1463         // the next two operations do not change the content's transformation
1464         // matrix):
1465         [coordinateTransform invert];
1466         [coordinateTransform concat];
1467     }
1468     // let the textfield cell draw the text part:
1469     if (textFrame.size.width > [self cellTextSize].width)
1470     {
1471         // for unknown reasons the alignment of the text cell is ignored;
1472         // therefore change the size so that alignment does not influence the
1473         // visualization anymore
1474         textFrame.size.width = [self cellTextSize].width;
1475     }
1476     [super drawWithFrame:textFrame inView:controlView];
1477 }
1478
1479 -(void) editWithFrame:(NSRect)aRect inView:(NSView*)controlView editor:(NSText*)textObj delegate:(id)anObject event:(NSEvent*)theEvent
1480 {
1481     NSRect textFrame, imageFrame;
1482
1483
1484     [self determineCellParts:aRect imagePart:&imageFrame textPart:&textFrame];
1485     [super editWithFrame:textFrame inView:controlView editor:textObj delegate:anObject event:theEvent];
1486 }
1487
1488 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
1489 -(NSUInteger) hitTestForEvent:(NSEvent*)event inRect:(NSRect)cellFrame ofView:(NSView*)controlView
1490 {
1491     NSPoint point = [controlView convertPoint:[event locationInWindow] fromView:nil];
1492
1493     NSRect imageFrame, textFrame;
1494
1495
1496     [self determineCellParts:cellFrame imagePart:&imageFrame textPart:&textFrame];
1497     if (image != nil)
1498     {
1499         // the image is shifted...
1500         if (imageFrame.size.width >= xImageShift+imageSize.width+spaceImageText)
1501         {
1502             imageFrame.origin.x += imageFrame.size.width-imageSize.width-spaceImageText;
1503             imageFrame.size.width = imageSize.width;
1504         }
1505         else
1506         {
1507             imageFrame.origin.x   += xImageShift;
1508             imageFrame.size.width -= xImageShift+spaceImageText;
1509         }
1510         // ...and centered:
1511         if (imageFrame.size.height > imageSize.height)
1512             imageFrame.size.height = imageSize.height;
1513         imageFrame.origin.y += ceil(0.5*(cellFrame.size.height-imageFrame.size.height));
1514         // If the point is in the image rect, then it is a content hit (see
1515         // documentation for hitTestForEvent:inRect:ofView):
1516         if (NSMouseInRect(point, imageFrame, [controlView isFlipped]))
1517             return NSCellHitContentArea;
1518     }
1519     // if the image was not hit let's try the text part:
1520     if (textFrame.size.width > [self cellTextSize].width)
1521     {
1522         // for unknown reasons the alignment of the text cell is ignored;
1523         // therefore change the size so that alignment does not influence the
1524         // visualization anymore
1525         textFrame.size.width = [self cellTextSize].width;
1526     }
1527
1528     return [super hitTestForEvent:event inRect:textFrame ofView:controlView];
1529 }
1530 #endif
1531
1532 -(NSRect) imageRectForBounds:(NSRect)cellFrame
1533 {
1534     NSRect textFrame, imageFrame;
1535
1536
1537     [self determineCellParts:cellFrame imagePart:&imageFrame textPart:&textFrame];
1538     if (imageFrame.size.width >= xImageShift+imageSize.width+spaceImageText)
1539     {
1540         imageFrame.origin.x += imageFrame.size.width-imageSize.width-spaceImageText;
1541         imageFrame.size.width = imageSize.width;
1542     }
1543     else
1544     {
1545         imageFrame.origin.x   += xImageShift;
1546         imageFrame.size.width -= xImageShift+spaceImageText;
1547     }
1548     // ...and centered:
1549     if (imageFrame.size.height > imageSize.height)
1550         imageFrame.size.height = imageSize.height;
1551     imageFrame.origin.y += ceil(0.5*(cellFrame.size.height-imageFrame.size.height));
1552
1553     return imageFrame;
1554 }
1555
1556 -(void) selectWithFrame:(NSRect)aRect inView:(NSView*)controlView editor:(NSText*)textObj delegate:(id)anObject start:(NSInteger)selStart length:(NSInteger)selLength
1557 {
1558     NSRect textFrame, imageFrame;
1559
1560
1561     [self determineCellParts:aRect imagePart:&imageFrame textPart:&textFrame];
1562     [super selectWithFrame:textFrame inView:controlView editor:textObj delegate:anObject start:selStart length:selLength];
1563 }
1564
1565 -(NSRect) titleRectForBounds:(NSRect)cellFrame
1566 {
1567     NSRect textFrame, imageFrame;
1568
1569
1570     [self determineCellParts:cellFrame imagePart:&imageFrame textPart:&textFrame];
1571     return textFrame;
1572 }
1573
1574 @end
1575
1576 // ============================================================================
1577 // wxCocoaOutlineView
1578 // ============================================================================
1579 @implementation wxCocoaOutlineView
1580
1581 //
1582 // initializers / destructor
1583 //
1584 -(id) init
1585 {
1586     self = [super init];
1587     if (self != nil)
1588     {
1589         currentlyEditedColumn =
1590             currentlyEditedRow = -1;
1591
1592         [self registerForDraggedTypes:[NSArray arrayWithObjects:DataViewPboardType,NSStringPboardType,nil]];
1593         [self setDelegate:self];
1594         [self setDoubleAction:@selector(actionDoubleClick:)];
1595         [self setDraggingSourceOperationMask:NSDragOperationEvery forLocal:NO];
1596         [self setDraggingSourceOperationMask:NSDragOperationEvery forLocal:YES];
1597         [self setTarget:self];
1598     }
1599     return self;
1600 }
1601
1602 //
1603 // access to wxWidget's implementation
1604 //
1605 -(wxCocoaDataViewControl*) implementation
1606 {
1607     return implementation;
1608 }
1609
1610 -(void) setImplementation:(wxCocoaDataViewControl*) newImplementation
1611 {
1612     implementation = newImplementation;
1613 }
1614
1615 //
1616 // actions
1617 //
1618 -(void) actionDoubleClick:(id)sender
1619 {
1620     wxUnusedVar(sender);
1621
1622     // actually the documentation (NSTableView 2007-10-31) for doubleAction:
1623     // and setDoubleAction: seems to be wrong as this action message is always
1624     // sent whether the cell is editable or not
1625     wxDataViewCtrl* const dvc = implementation->GetDataViewCtrl();
1626
1627     wxDataViewEvent event(wxEVT_DATAVIEW_ITEM_ACTIVATED,dvc->GetId());
1628
1629
1630     event.SetEventObject(dvc);
1631     event.SetItem(wxDataViewItemFromItem([self itemAtRow:[self clickedRow]]));
1632     dvc->GetEventHandler()->ProcessEvent(event);
1633 }
1634
1635
1636 //
1637 // contextual menus
1638 //
1639 -(NSMenu*) menuForEvent:(NSEvent*)theEvent
1640 {
1641     wxUnusedVar(theEvent);
1642
1643     // this method does not do any special menu event handling but only sends
1644     // an event message; therefore, the user has full control if a context
1645     // menu should be shown or not
1646     wxDataViewCtrl* const dvc = implementation->GetDataViewCtrl();
1647
1648     wxDataViewEvent event(wxEVT_DATAVIEW_ITEM_CONTEXT_MENU,dvc->GetId());
1649
1650     wxDataViewItemArray selectedItems;
1651
1652
1653     event.SetEventObject(dvc);
1654     event.SetModel(dvc->GetModel());
1655     // get the item information;
1656     // theoretically more than one ID can be returned but the event can only
1657     // handle one item, therefore only the first item of the array is
1658     // returned:
1659     if (dvc->GetSelections(selectedItems) > 0)
1660         event.SetItem(selectedItems[0]);
1661     dvc->GetEventHandler()->ProcessEvent(event);
1662     // nothing is done:
1663     return nil;
1664 }
1665
1666 //
1667 // delegate methods
1668 //
1669 -(void) outlineView:(NSOutlineView*)outlineView mouseDownInHeaderOfTableColumn:(NSTableColumn*)tableColumn
1670 {
1671     wxDataViewColumn* const
1672         col([static_cast<wxDVCNSTableColumn*>(tableColumn) getColumnPointer]);
1673
1674     wxDataViewCtrl* const dvc = implementation->GetDataViewCtrl();
1675
1676     wxDataViewEvent
1677         event(wxEVT_DATAVIEW_COLUMN_HEADER_CLICK,dvc->GetId());
1678
1679
1680     // first, send an event that the user clicked into a column's header:
1681     event.SetEventObject(dvc);
1682     event.SetColumn(dvc->GetColumnPosition(col));
1683     event.SetDataViewColumn(col);
1684     dvc->HandleWindowEvent(event);
1685
1686     // now, check if the click may have had an influence on sorting, too;
1687     // the sorting setup has to be done only if the clicked table column is
1688     // sortable and has not been used for sorting before the click; if the
1689     // column is already responsible for sorting the native control changes
1690     // the sorting direction automatically and informs the data source via
1691     // outlineView:sortDescriptorsDidChange:
1692     if (col->IsSortable() && ([tableColumn sortDescriptorPrototype] == nil))
1693     {
1694         // remove the sort order from the previously sorted column table (it
1695         // can also be that no sorted column table exists):
1696         UInt32 const noOfColumns = [outlineView numberOfColumns];
1697
1698         for (UInt32 i=0; i<noOfColumns; ++i)
1699             [[[outlineView tableColumns] objectAtIndex:i] setSortDescriptorPrototype:nil];
1700         // make column table sortable:
1701         NSArray*          sortDescriptors;
1702         NSSortDescriptor* sortDescriptor;
1703
1704         sortDescriptor = [[NSSortDescriptor alloc] initWithKey:[NSString stringWithFormat:@"%d",[outlineView columnWithIdentifier:[tableColumn identifier]]]
1705             ascending:YES];
1706         sortDescriptors = [NSArray arrayWithObject:sortDescriptor];
1707         [tableColumn setSortDescriptorPrototype:sortDescriptor];
1708         [outlineView setSortDescriptors:sortDescriptors];
1709         [sortDescriptor release];
1710     }
1711 }
1712
1713 -(BOOL) outlineView:(NSOutlineView*)outlineView shouldCollapseItem:(id)item
1714 {
1715     wxUnusedVar(outlineView);
1716
1717     wxDataViewCtrl* const dvc = implementation->GetDataViewCtrl();
1718
1719     wxDataViewEvent event(wxEVT_DATAVIEW_ITEM_COLLAPSING,dvc->GetId());
1720
1721
1722     event.SetEventObject(dvc);
1723     event.SetItem       (wxDataViewItemFromItem(item));
1724     event.SetModel      (dvc->GetModel());
1725     // finally send the equivalent wxWidget event:
1726     dvc->GetEventHandler()->ProcessEvent(event);
1727     // opening the container is allowed if not vetoed:
1728     return event.IsAllowed();
1729 }
1730
1731 -(BOOL) outlineView:(NSOutlineView*)outlineView shouldExpandItem:(id)item
1732 {
1733     wxUnusedVar(outlineView);
1734
1735     wxDataViewCtrl* const dvc = implementation->GetDataViewCtrl();
1736
1737     wxDataViewEvent event(wxEVT_DATAVIEW_ITEM_EXPANDING,dvc->GetId());
1738
1739
1740     event.SetEventObject(dvc);
1741     event.SetItem       (wxDataViewItemFromItem(item));
1742     event.SetModel      (dvc->GetModel());
1743     // finally send the equivalent wxWidget event:
1744     dvc->GetEventHandler()->ProcessEvent(event);
1745     // opening the container is allowed if not vetoed:
1746     return event.IsAllowed();
1747 }
1748
1749 -(BOOL) outlineView:(NSOutlineView*)outlineView shouldSelectTableColumn:(NSTableColumn*)tableColumn
1750 {
1751     wxUnusedVar(tableColumn);
1752     wxUnusedVar(outlineView);
1753
1754     return NO;
1755 }
1756
1757 -(void) outlineView:(wxCocoaOutlineView*)outlineView
1758     willDisplayCell:(id)cell
1759     forTableColumn:(NSTableColumn*)tableColumn
1760     item:(id)item
1761 {
1762     wxUnusedVar(outlineView);
1763
1764     wxDataViewCtrl * const dvc = implementation->GetDataViewCtrl();
1765     wxDataViewModel * const model = dvc->GetModel();
1766
1767     wxDataViewColumn* const
1768         dvCol([static_cast<wxDVCNSTableColumn*>(tableColumn) getColumnPointer]);
1769     const unsigned colIdx = dvCol->GetModelColumn();
1770
1771     wxDataViewItem dvItem(wxDataViewItemFromItem(item));
1772
1773     if ( !model->HasValue(dvItem, colIdx) )
1774         return;
1775
1776     wxDataViewRenderer * const renderer = dvCol->GetRenderer();
1777     wxDataViewRendererNativeData * const data = renderer->GetNativeData();
1778
1779     // let the renderer know about what it's going to render next
1780     data->SetColumnPtr(tableColumn);
1781     data->SetItem(item);
1782     data->SetItemCell(cell);
1783
1784     // use the attributes: notice that we need to do this whether we have them
1785     // or not as even if this cell doesn't have any attributes, the previous
1786     // one might have had some and then we need to reset them back to default
1787     wxDataViewItemAttr attr;
1788     model->GetAttr(dvItem, colIdx, attr);
1789     renderer->OSXApplyAttr(attr);
1790
1791     // set the state (enabled/disabled) of the item
1792     renderer->OSXApplyEnabled(model->IsEnabled(dvItem, colIdx));
1793
1794     // and finally do draw it
1795     renderer->MacRender();
1796 }
1797
1798 //
1799 // notifications
1800 //
1801 -(void) outlineViewColumnDidMove:(NSNotification*)notification
1802 {
1803     int const newColumnPosition = [[[notification userInfo] objectForKey:@"NSNewColumn"] intValue];
1804
1805     NSTableColumn*
1806         tableColumn = [[self tableColumns] objectAtIndex:newColumnPosition];
1807     wxDataViewColumn* const
1808         col([static_cast<wxDVCNSTableColumn*>(tableColumn) getColumnPointer]);
1809
1810     wxDataViewCtrl* const dvc = implementation->GetDataViewCtrl();
1811
1812     wxDataViewEvent event(wxEVT_DATAVIEW_COLUMN_REORDERED,dvc->GetId());
1813
1814
1815     event.SetEventObject(dvc);
1816     event.SetColumn(dvc->GetColumnPosition(col));
1817     event.SetDataViewColumn(col);
1818     dvc->GetEventHandler()->ProcessEvent(event);
1819 }
1820
1821 -(void) outlineViewItemDidCollapse:(NSNotification*)notification
1822 {
1823     wxDataViewCtrl* const dvc = implementation->GetDataViewCtrl();
1824
1825     wxDataViewEvent event(wxEVT_DATAVIEW_ITEM_COLLAPSED,dvc->GetId());
1826
1827
1828     event.SetEventObject(dvc);
1829     event.SetItem(wxDataViewItemFromItem(
1830                     [[notification userInfo] objectForKey:@"NSObject"]));
1831     dvc->GetEventHandler()->ProcessEvent(event);
1832 }
1833
1834 -(void) outlineViewItemDidExpand:(NSNotification*)notification
1835 {
1836     wxDataViewCtrl* const dvc = implementation->GetDataViewCtrl();
1837
1838     wxDataViewEvent event(wxEVT_DATAVIEW_ITEM_EXPANDED,dvc->GetId());
1839
1840
1841     event.SetEventObject(dvc);
1842     event.SetItem(wxDataViewItemFromItem(
1843                     [[notification userInfo] objectForKey:@"NSObject"]));
1844     dvc->GetEventHandler()->ProcessEvent(event);
1845 }
1846
1847 -(void) outlineViewSelectionDidChange:(NSNotification*)notification
1848 {
1849     wxUnusedVar(notification);
1850
1851     wxDataViewCtrl* const dvc = implementation->GetDataViewCtrl();
1852
1853     wxDataViewEvent event(wxEVT_DATAVIEW_SELECTION_CHANGED,dvc->GetId());
1854
1855     event.SetEventObject(dvc);
1856     event.SetModel(dvc->GetModel());
1857     event.SetItem(dvc->GetSelection());
1858     dvc->GetEventHandler()->ProcessEvent(event);
1859 }
1860
1861 -(void) textDidBeginEditing:(NSNotification*)notification
1862 {
1863     // this notification is only sent if the user started modifying the cell
1864     // (not when the user clicked into the cell and the cell's editor is
1865     // called!)
1866
1867     // call method of superclass (otherwise editing does not work correctly -
1868     // the outline data source class is not informed about a change of data):
1869     [super textDidBeginEditing:notification];
1870
1871     // remember the column being edited, it will be used in textDidEndEditing:
1872     currentlyEditedColumn = [self editedColumn];
1873     currentlyEditedRow = [self editedRow];
1874
1875     NSTableColumn*
1876         tableColumn = [[self tableColumns] objectAtIndex:currentlyEditedColumn];
1877     wxDataViewColumn* const
1878         col([static_cast<wxDVCNSTableColumn*>(tableColumn) getColumnPointer]);
1879
1880     wxDataViewCtrl* const dvc = implementation->GetDataViewCtrl();
1881
1882
1883     // stop editing of a custom item first (if necessary)
1884     dvc->FinishCustomItemEditing();
1885
1886     // now, send the event:
1887     wxDataViewEvent
1888         event(wxEVT_DATAVIEW_ITEM_EDITING_STARTED,dvc->GetId());
1889
1890     event.SetEventObject(dvc);
1891     event.SetItem(
1892             wxDataViewItemFromItem([self itemAtRow:currentlyEditedRow]));
1893     event.SetColumn(dvc->GetColumnPosition(col));
1894     event.SetDataViewColumn(col);
1895     dvc->GetEventHandler()->ProcessEvent(event);
1896 }
1897
1898 -(void) textDidEndEditing:(NSNotification*)notification
1899 {
1900     // call method of superclass (otherwise editing does not work correctly -
1901     // the outline data source class is not informed about a change of data):
1902     [super textDidEndEditing:notification];
1903
1904     // under OSX an event indicating the end of an editing session can be sent
1905     // even if no event indicating a start of an editing session has been sent
1906     // (see Documentation for NSControl controlTextDidEndEditing:); this is
1907     // not expected by a user of the wxWidgets library and therefore an
1908     // wxEVT_DATAVIEW_ITEM_EDITING_DONE event is only sent if a
1909     // corresponding wxEVT_DATAVIEW_ITEM_EDITING_STARTED has been sent
1910     // before; to check if a wxEVT_DATAVIEW_ITEM_EDITING_STARTED has
1911     // been sent the last edited column/row are valid:
1912     if ( currentlyEditedColumn != -1 && currentlyEditedRow != -1 )
1913     {
1914         NSTableColumn*
1915             tableColumn = [[self tableColumns] objectAtIndex:currentlyEditedColumn];
1916         wxDataViewColumn* const
1917             col([static_cast<wxDVCNSTableColumn*>(tableColumn) getColumnPointer]);
1918
1919         wxDataViewCtrl* const dvc = implementation->GetDataViewCtrl();
1920
1921         // send event to wxWidgets:
1922         wxDataViewEvent
1923             event(wxEVT_DATAVIEW_ITEM_EDITING_DONE,dvc->GetId());
1924
1925         event.SetEventObject(dvc);
1926         event.SetItem(
1927                 wxDataViewItemFromItem([self itemAtRow:currentlyEditedRow]));
1928         event.SetColumn(dvc->GetColumnPosition(col));
1929         event.SetDataViewColumn(col);
1930         dvc->GetEventHandler()->ProcessEvent(event);
1931
1932
1933         // we're not editing any more
1934         currentlyEditedColumn =
1935             currentlyEditedRow = -1;
1936     }
1937 }
1938
1939 @end
1940
1941 // ============================================================================
1942 // wxCocoaDataViewControl
1943 // ============================================================================
1944
1945 wxCocoaDataViewControl::wxCocoaDataViewControl(wxWindow* peer,
1946                                                const wxPoint& pos,
1947                                                const wxSize& size,
1948                                                long style)
1949     : wxWidgetCocoaImpl
1950       (
1951         peer,
1952         [[NSScrollView alloc] initWithFrame:wxOSXGetFrameForControl(peer,pos,size)]
1953       ),
1954       m_DataSource(NULL),
1955       m_OutlineView([[wxCocoaOutlineView alloc] init])
1956 {
1957     // initialize scrollview (the outline view is part of a scrollview):
1958     NSScrollView* scrollview = (NSScrollView*) GetWXWidget();
1959
1960     [scrollview setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];
1961     [scrollview setBorderType:NSNoBorder];
1962     [scrollview setHasVerticalScroller:YES];
1963     [scrollview setHasHorizontalScroller:YES];
1964     [scrollview setAutohidesScrollers:YES];
1965     [scrollview setDocumentView:m_OutlineView];
1966
1967     // initialize the native control itself too
1968     InitOutlineView(style);
1969 }
1970
1971 void wxCocoaDataViewControl::InitOutlineView(long style)
1972 {
1973     [m_OutlineView setImplementation:this];
1974     [m_OutlineView setColumnAutoresizingStyle:NSTableViewSequentialColumnAutoresizingStyle];
1975     [m_OutlineView setIndentationPerLevel:GetDataViewCtrl()->GetIndent()];
1976     NSUInteger maskGridStyle(NSTableViewGridNone);
1977     if (style & wxDV_HORIZ_RULES)
1978         maskGridStyle |= NSTableViewSolidHorizontalGridLineMask;
1979     if (style & wxDV_VERT_RULES)
1980         maskGridStyle |= NSTableViewSolidVerticalGridLineMask;
1981     [m_OutlineView setGridStyleMask:maskGridStyle];
1982     [m_OutlineView setAllowsMultipleSelection:           (style & wxDV_MULTIPLE)  != 0];
1983     [m_OutlineView setUsesAlternatingRowBackgroundColors:(style & wxDV_ROW_LINES) != 0];
1984
1985     if ( style & wxDV_NO_HEADER )
1986         [m_OutlineView setHeaderView:nil];
1987 }
1988
1989 wxCocoaDataViewControl::~wxCocoaDataViewControl()
1990 {
1991     [m_DataSource  release];
1992     [m_OutlineView release];
1993 }
1994
1995 //
1996 // column related methods (inherited from wxDataViewWidgetImpl)
1997 //
1998 bool wxCocoaDataViewControl::ClearColumns()
1999 {
2000     // as there is a bug in NSOutlineView version (OSX 10.5.6 #6555162) the
2001     // columns cannot be deleted if there is an outline column in the view;
2002     // therefore, the whole view is deleted and newly constructed:
2003     [m_OutlineView release];
2004     m_OutlineView = [[wxCocoaOutlineView alloc] init];
2005     [((NSScrollView*) GetWXWidget()) setDocumentView:m_OutlineView];
2006     [m_OutlineView setDataSource:m_DataSource];
2007
2008     InitOutlineView(GetDataViewCtrl()->GetWindowStyle());
2009
2010     return true;
2011 }
2012
2013 bool wxCocoaDataViewControl::DeleteColumn(wxDataViewColumn* columnPtr)
2014 {
2015     if ([m_OutlineView outlineTableColumn] == columnPtr->GetNativeData()->GetNativeColumnPtr())
2016         [m_OutlineView setOutlineTableColumn:nil]; // due to a bug this does not work
2017     [m_OutlineView removeTableColumn:columnPtr->GetNativeData()->GetNativeColumnPtr()]; // due to a confirmed bug #6555162 the deletion does not work for
2018     // outline table columns (... and there is no workaround)
2019     return (([m_OutlineView columnWithIdentifier:[wxDVCNSTableColumn identifierForColumnPointer:columnPtr]]) == -1);
2020 }
2021
2022 void wxCocoaDataViewControl::DoSetExpanderColumn(const wxDataViewColumn *columnPtr)
2023 {
2024     [m_OutlineView setOutlineTableColumn:columnPtr->GetNativeData()->GetNativeColumnPtr()];
2025 }
2026
2027 wxDataViewColumn* wxCocoaDataViewControl::GetColumn(unsigned int pos) const
2028 {
2029     NSTableColumn* tableColumn = [[m_OutlineView tableColumns] objectAtIndex:pos];
2030     return [static_cast<wxDVCNSTableColumn*>(tableColumn) getColumnPointer];
2031 }
2032
2033 int wxCocoaDataViewControl::GetColumnPosition(const wxDataViewColumn *columnPtr) const
2034 {
2035     return [m_OutlineView columnWithIdentifier:[wxDVCNSTableColumn identifierForColumnPointer:columnPtr]];
2036 }
2037
2038 bool wxCocoaDataViewControl::InsertColumn(unsigned int pos, wxDataViewColumn* columnPtr)
2039 {
2040     // create column and set the native data of the dataview column:
2041     NSTableColumn *nativeColumn = ::CreateNativeColumn(columnPtr);
2042     columnPtr->GetNativeData()->SetNativeColumnPtr(nativeColumn);
2043     // as the native control does not allow the insertion of a column at a
2044     // specified position the column is first appended and - if necessary -
2045     // moved to its final position:
2046     [m_OutlineView addTableColumn:nativeColumn];
2047     if (pos != static_cast<unsigned int>([m_OutlineView numberOfColumns]-1))
2048         [m_OutlineView moveColumn:[m_OutlineView numberOfColumns]-1 toColumn:pos];
2049
2050     // set columns width now that it can be computed even for autosized columns:
2051     columnPtr->SetWidth(columnPtr->GetWidthVariable());
2052
2053     // done:
2054     return true;
2055 }
2056
2057 void wxCocoaDataViewControl::FitColumnWidthToContent(unsigned int pos)
2058 {
2059 #if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5
2060     const int count = GetCount();
2061     NSTableColumn *column = GetColumn(pos)->GetNativeData()->GetNativeColumnPtr();
2062
2063     class MaxWidthCalculator
2064     {
2065     public:
2066         MaxWidthCalculator(wxCocoaOutlineView *view,
2067                            NSTableColumn *column, unsigned columnIndex)
2068             : m_width(0),
2069               m_view(view),
2070               m_column(columnIndex),
2071               m_indent(0)
2072         {
2073             // account for indentation in the column with expander
2074             if ( column == [m_view outlineTableColumn] )
2075                 m_indent = [m_view indentationPerLevel];
2076         }
2077
2078         void UpdateWithWidth(int width)
2079         {
2080             m_width = wxMax(m_width, width);
2081         }
2082
2083         void UpdateWithRow(int row)
2084         {
2085             NSCell *cell = [m_view preparedCellAtColumn:m_column row:row];
2086             unsigned cellWidth = [cell cellSize].width + 1/*round the float up*/;
2087
2088             if ( m_indent )
2089                 cellWidth += m_indent * ([m_view levelForRow:row] + 1);
2090
2091             m_width = wxMax(m_width, cellWidth);
2092         }
2093
2094         int GetMaxWidth() const { return m_width; }
2095
2096     private:
2097         int m_width;
2098         wxCocoaOutlineView *m_view;
2099         unsigned m_column;
2100         int m_indent;
2101     };
2102
2103     MaxWidthCalculator calculator(m_OutlineView, column, pos);
2104
2105     if ( [column headerCell] )
2106     {
2107         calculator.UpdateWithWidth([[column headerCell] cellSize].width + 1/*round the float up*/);
2108     }
2109
2110     // The code below deserves some explanation. For very large controls, we
2111     // simply can't afford to calculate sizes for all items, it takes too
2112     // long. So the best we can do is to check the first and the last N/2
2113     // items in the control for some sufficiently large N and calculate best
2114     // sizes from that. That can result in the calculated best width being too
2115     // small for some outliers, but it's better to get slightly imperfect
2116     // result than to wait several seconds after every update. To avoid highly
2117     // visible miscalculations, we also include all currently visible items
2118     // no matter what.  Finally, the value of N is determined dynamically by
2119     // measuring how much time we spent on the determining item widths so far.
2120
2121 #if wxUSE_STOPWATCH
2122     int top_part_end = count;
2123     static const long CALC_TIMEOUT = 20/*ms*/;
2124     // don't call wxStopWatch::Time() too often
2125     static const unsigned CALC_CHECK_FREQ = 100;
2126     wxStopWatch timer;
2127 #else
2128     // use some hard-coded limit, that's the best we can do without timer
2129     int top_part_end = wxMin(500, count);
2130 #endif // wxUSE_STOPWATCH/!wxUSE_STOPWATCH
2131
2132     int row = 0;
2133
2134     for ( row = 0; row < top_part_end; row++ )
2135     {
2136 #if wxUSE_STOPWATCH
2137         if ( row % CALC_CHECK_FREQ == CALC_CHECK_FREQ-1 &&
2138              timer.Time() > CALC_TIMEOUT )
2139             break;
2140 #endif // wxUSE_STOPWATCH
2141         calculator.UpdateWithRow(row);
2142     }
2143
2144     // row is the first unmeasured item now; that's our value of N/2
2145
2146     if ( row < count )
2147     {
2148         top_part_end = row;
2149
2150         // add bottom N/2 items now:
2151         const int bottom_part_start = wxMax(row, count - row);
2152         for ( row = bottom_part_start; row < count; row++ )
2153             calculator.UpdateWithRow(row);
2154
2155         // finally, include currently visible items in the calculation:
2156         const NSRange visible = [m_OutlineView rowsInRect:[m_OutlineView visibleRect]];
2157         const int first_visible = wxMax(visible.location, top_part_end);
2158         const int last_visible = wxMin(first_visible + visible.length, bottom_part_start);
2159
2160         for ( row = first_visible; row < last_visible; row++ )
2161             calculator.UpdateWithRow(row);
2162
2163         wxLogTrace("dataview",
2164                    "determined best size from %d top, %d bottom plus %d more visible items out of %d total",
2165                    top_part_end,
2166                    count - bottom_part_start,
2167                    wxMax(0, last_visible - first_visible),
2168                    count);
2169     }
2170
2171     [column setWidth:calculator.GetMaxWidth()];
2172 #endif // MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5
2173 }
2174
2175 //
2176 // item related methods (inherited from wxDataViewWidgetImpl)
2177 //
2178 bool wxCocoaDataViewControl::Add(const wxDataViewItem& parent, const wxDataViewItem& WXUNUSED(item))
2179 {
2180     if (parent.IsOk())
2181         [m_OutlineView reloadItem:[m_DataSource getDataViewItemFromBuffer:parent] reloadChildren:YES];
2182     else
2183         [m_OutlineView reloadData];
2184     return true;
2185 }
2186
2187 bool wxCocoaDataViewControl::Add(const wxDataViewItem& parent, const wxDataViewItemArray& WXUNUSED(items))
2188 {
2189     if (parent.IsOk())
2190         [m_OutlineView reloadItem:[m_DataSource getDataViewItemFromBuffer:parent] reloadChildren:YES];
2191     else
2192         [m_OutlineView reloadData];
2193     return true;
2194 }
2195
2196 void wxCocoaDataViewControl::Collapse(const wxDataViewItem& item)
2197 {
2198     [m_OutlineView collapseItem:[m_DataSource getDataViewItemFromBuffer:item]];
2199 }
2200
2201 void wxCocoaDataViewControl::EnsureVisible(const wxDataViewItem& item, const wxDataViewColumn *columnPtr)
2202 {
2203     if (item.IsOk())
2204     {
2205         [m_OutlineView scrollRowToVisible:[m_OutlineView rowForItem:[m_DataSource getDataViewItemFromBuffer:item]]];
2206         if (columnPtr)
2207             [m_OutlineView scrollColumnToVisible:GetColumnPosition(columnPtr)];
2208     }
2209 }
2210
2211 void wxCocoaDataViewControl::Expand(const wxDataViewItem& item)
2212 {
2213     [m_OutlineView expandItem:[m_DataSource getDataViewItemFromBuffer:item]];
2214 }
2215
2216 unsigned int wxCocoaDataViewControl::GetCount() const
2217 {
2218     return [m_OutlineView numberOfRows];
2219 }
2220
2221 wxRect wxCocoaDataViewControl::GetRectangle(const wxDataViewItem& item, const wxDataViewColumn *columnPtr)
2222 {
2223     return wxFromNSRect([m_osxView superview],[m_OutlineView frameOfCellAtColumn:GetColumnPosition(columnPtr)
2224             row:[m_OutlineView rowForItem:[m_DataSource getDataViewItemFromBuffer:item]]]);
2225 }
2226
2227 bool wxCocoaDataViewControl::IsExpanded(const wxDataViewItem& item) const
2228 {
2229     return [m_OutlineView isItemExpanded:[m_DataSource getDataViewItemFromBuffer:item]];
2230 }
2231
2232 bool wxCocoaDataViewControl::Reload()
2233 {
2234     [m_DataSource clearBuffers];
2235     [m_OutlineView reloadData];
2236     [m_OutlineView scrollColumnToVisible:0];
2237     [m_OutlineView scrollRowToVisible:0];
2238     return true;
2239 }
2240
2241 bool wxCocoaDataViewControl::Remove(const wxDataViewItem& parent, const wxDataViewItem& WXUNUSED(item))
2242 {
2243     if (parent.IsOk())
2244         [m_OutlineView reloadItem:[m_DataSource getDataViewItemFromBuffer:parent] reloadChildren:YES];
2245     else
2246         [m_OutlineView reloadData];
2247     return true;
2248 }
2249
2250 bool wxCocoaDataViewControl::Remove(const wxDataViewItem& parent, const wxDataViewItemArray& WXUNUSED(item))
2251 {
2252     if (parent.IsOk())
2253         [m_OutlineView reloadItem:[m_DataSource getDataViewItemFromBuffer:parent] reloadChildren:YES];
2254     else
2255         [m_OutlineView reloadData];
2256     return true;
2257 }
2258
2259 bool wxCocoaDataViewControl::Update(const wxDataViewColumn *columnPtr)
2260 {
2261     wxUnusedVar(columnPtr);
2262
2263     return false;
2264 }
2265
2266 bool wxCocoaDataViewControl::Update(const wxDataViewItem& WXUNUSED(parent), const wxDataViewItem& item)
2267 {
2268     [m_OutlineView reloadItem:[m_DataSource getDataViewItemFromBuffer:item]];
2269     return true;
2270 }
2271
2272 bool wxCocoaDataViewControl::Update(const wxDataViewItem& WXUNUSED(parent), const wxDataViewItemArray& items)
2273 {
2274     for (size_t i=0; i<items.GetCount(); ++i)
2275         [m_OutlineView reloadItem:[m_DataSource getDataViewItemFromBuffer:items[i]]];
2276     return true;
2277 }
2278
2279 //
2280 // model related methods
2281 //
2282 bool wxCocoaDataViewControl::AssociateModel(wxDataViewModel* model)
2283 {
2284     [m_DataSource release];
2285     if (model)
2286     {
2287         m_DataSource = [[wxCocoaOutlineDataSource alloc] init];
2288         [m_DataSource setImplementation:this];
2289         [m_DataSource setModel:model];
2290     }
2291     else
2292         m_DataSource = NULL;
2293     [m_OutlineView setDataSource:m_DataSource]; // if there is a data source the data is immediately going to be requested
2294     return true;
2295 }
2296
2297 //
2298 // selection related methods (inherited from wxDataViewWidgetImpl)
2299 //
2300
2301 wxDataViewItem wxCocoaDataViewControl::GetCurrentItem() const
2302 {
2303     return wxDataViewItem([[m_OutlineView itemAtRow:[m_OutlineView selectedRow]] pointer]);
2304 }
2305
2306 wxDataViewColumn *wxCocoaDataViewControl::GetCurrentColumn() const
2307 {
2308     int col = [m_OutlineView selectedColumn];
2309     if ( col == -1 )
2310         return NULL;
2311     return GetColumn(col);
2312 }
2313
2314 void wxCocoaDataViewControl::SetCurrentItem(const wxDataViewItem& item)
2315 {
2316     // We can't have unselected current item in a NSTableView, as the
2317     // documentation of its deselectRow method explains, the control will
2318     // automatically change the current item to the closest still selected item
2319     // if the current item is deselected. So we have no choice but to select
2320     // the item in the same time as making it current.
2321     Select(item);
2322 }
2323
2324 int wxCocoaDataViewControl::GetSelectedItemsCount() const
2325 {
2326     return [m_OutlineView numberOfSelectedRows];
2327 }
2328
2329 int wxCocoaDataViewControl::GetSelections(wxDataViewItemArray& sel) const
2330 {
2331     NSIndexSet* selectedRowIndexes([m_OutlineView selectedRowIndexes]);
2332
2333     NSUInteger indexRow;
2334
2335
2336     sel.Empty();
2337     sel.Alloc([selectedRowIndexes count]);
2338     indexRow = [selectedRowIndexes firstIndex];
2339     while (indexRow != NSNotFound)
2340     {
2341         sel.Add(wxDataViewItem([[m_OutlineView itemAtRow:indexRow] pointer]));
2342         indexRow = [selectedRowIndexes indexGreaterThanIndex:indexRow];
2343     }
2344     return sel.GetCount();
2345 }
2346
2347 bool wxCocoaDataViewControl::IsSelected(const wxDataViewItem& item) const
2348 {
2349     return [m_OutlineView isRowSelected:[m_OutlineView rowForItem:[m_DataSource getDataViewItemFromBuffer:item]]];
2350 }
2351
2352 void wxCocoaDataViewControl::Select(const wxDataViewItem& item)
2353 {
2354     if (item.IsOk())
2355         [m_OutlineView selectRowIndexes:[NSIndexSet indexSetWithIndex:[m_OutlineView rowForItem:[m_DataSource getDataViewItemFromBuffer:item]]]
2356             byExtendingSelection:GetDataViewCtrl()->HasFlag(wxDV_MULTIPLE) ? YES : NO];
2357 }
2358
2359 void wxCocoaDataViewControl::SelectAll()
2360 {
2361     [m_OutlineView selectAll:m_OutlineView];
2362 }
2363
2364 void wxCocoaDataViewControl::Unselect(const wxDataViewItem& item)
2365 {
2366     if (item.IsOk())
2367         [m_OutlineView deselectRow:[m_OutlineView rowForItem:[m_DataSource getDataViewItemFromBuffer:item]]];
2368 }
2369
2370 void wxCocoaDataViewControl::UnselectAll()
2371 {
2372     [m_OutlineView deselectAll:m_OutlineView];
2373 }
2374
2375 //
2376 // sorting related methods
2377 //
2378 wxDataViewColumn* wxCocoaDataViewControl::GetSortingColumn() const
2379 {
2380     NSArray* const columns = [m_OutlineView tableColumns];
2381
2382     UInt32 const noOfColumns = [columns count];
2383
2384
2385     for (UInt32 i=0; i<noOfColumns; ++i)
2386         if ([[columns objectAtIndex:i] sortDescriptorPrototype] != nil)
2387             return GetColumn(i);
2388     return NULL;
2389 }
2390
2391 void wxCocoaDataViewControl::Resort()
2392 {
2393     [m_DataSource clearChildren];
2394     [m_OutlineView reloadData];
2395 }
2396
2397 void wxCocoaDataViewControl::StartEditor( const wxDataViewItem & item, unsigned int column )
2398 {
2399     [m_OutlineView editColumn:column row:[m_OutlineView rowForItem:[m_DataSource getDataViewItemFromBuffer:item]] withEvent:nil select:YES];
2400 }
2401
2402 //
2403 // other methods (inherited from wxDataViewWidgetImpl)
2404 //
2405 void wxCocoaDataViewControl::DoSetIndent(int indent)
2406 {
2407     [m_OutlineView setIndentationPerLevel:static_cast<CGFloat>(indent)];
2408 }
2409
2410 void wxCocoaDataViewControl::HitTest(const wxPoint& point, wxDataViewItem& item, wxDataViewColumn*& columnPtr) const
2411 {
2412     NSPoint const nativePoint = wxToNSPoint((NSScrollView*) GetWXWidget(),point);
2413
2414     int indexColumn;
2415     int indexRow;
2416
2417
2418     indexColumn = [m_OutlineView columnAtPoint:nativePoint];
2419     indexRow    = [m_OutlineView rowAtPoint:   nativePoint];
2420     if ((indexColumn >= 0) && (indexRow >= 0))
2421     {
2422         columnPtr = GetColumn(indexColumn);
2423         item      = wxDataViewItem([[m_OutlineView itemAtRow:indexRow] pointer]);
2424     }
2425     else
2426     {
2427         columnPtr = NULL;
2428         item      = wxDataViewItem();
2429     }
2430 }
2431
2432 void wxCocoaDataViewControl::SetRowHeight(const wxDataViewItem& WXUNUSED(item), unsigned int WXUNUSED(height))
2433     // Not supported by the native control
2434 {
2435 }
2436
2437 void wxCocoaDataViewControl::OnSize()
2438 {
2439     if ([m_OutlineView numberOfColumns] == 1)
2440         [m_OutlineView sizeLastColumnToFit];
2441 }
2442
2443 //
2444 // drag & drop helper methods
2445 //
2446 wxDataFormat wxCocoaDataViewControl::GetDnDDataFormat(wxDataObjectComposite* dataObjects)
2447 {
2448     wxDataFormat resultFormat;
2449     if ( !dataObjects )
2450         return resultFormat;
2451
2452     bool compatible(true);
2453
2454     size_t const noOfFormats = dataObjects->GetFormatCount();
2455     size_t       indexFormat;
2456
2457     wxDataFormat* formats;
2458
2459     // get all formats and check afterwards if the formats are compatible; if
2460     // they are compatible the preferred format is returned otherwise
2461     // wxDF_INVALID is returned;
2462     // currently compatible types (ordered by priority are):
2463     //  - wxDF_UNICODETEXT - wxDF_TEXT
2464     formats = new wxDataFormat[noOfFormats];
2465     dataObjects->GetAllFormats(formats);
2466     indexFormat = 0;
2467     while ((indexFormat < noOfFormats) && compatible)
2468     {
2469         switch (resultFormat.GetType())
2470         {
2471             case wxDF_INVALID:
2472                 resultFormat.SetType(formats[indexFormat].GetType()); // first format (should only be reached if indexFormat == 0)
2473                 break;
2474             case wxDF_TEXT:
2475                 if (formats[indexFormat].GetType() == wxDF_UNICODETEXT)
2476                     resultFormat.SetType(wxDF_UNICODETEXT);
2477                 else // incompatible
2478                 {
2479                     resultFormat.SetType(wxDF_INVALID);
2480                     compatible = false;
2481                 }
2482                 break;
2483             case wxDF_UNICODETEXT:
2484                 if (formats[indexFormat].GetType() != wxDF_TEXT)
2485                 {
2486                     resultFormat.SetType(wxDF_INVALID);
2487                     compatible = false;
2488                 }
2489                 break;
2490             default:
2491                 resultFormat.SetType(wxDF_INVALID); // not (yet) supported format
2492                 compatible = false;
2493         }
2494         ++indexFormat;
2495     }
2496
2497     delete[] formats;
2498
2499     return resultFormat;
2500 }
2501
2502 wxDataObjectComposite* wxCocoaDataViewControl::GetDnDDataObjects(NSData* dataObject) const
2503 {
2504     wxDataFormatId dataFormatID;
2505
2506
2507     [dataObject getBytes:&dataFormatID length:sizeof(wxDataFormatId)];
2508     switch (dataFormatID)
2509     {
2510         case wxDF_TEXT:
2511         case wxDF_UNICODETEXT:
2512             {
2513                 wxTextDataObject* textDataObject(new wxTextDataObject());
2514
2515                 if (textDataObject->SetData(wxDataFormat(dataFormatID),[dataObject length]-sizeof(wxDataFormatId),static_cast<char const*>([dataObject bytes])+sizeof(wxDataFormatId)))
2516                 {
2517                     wxDataObjectComposite* dataObjectComposite(new wxDataObjectComposite());
2518
2519                     dataObjectComposite->Add(textDataObject);
2520                     return dataObjectComposite;
2521                 }
2522                 else
2523                 {
2524                     delete textDataObject;
2525                     return NULL;
2526                 }
2527             }
2528             break;
2529         default:
2530             return NULL;
2531     }
2532 }
2533
2534 id wxCocoaDataViewControl::GetItemAtRow(int row) const
2535 {
2536     return [m_OutlineView itemAtRow:row];
2537 }
2538
2539 // ----------------------------------------------------------------------------
2540 // wxDataViewRendererNativeData
2541 // ----------------------------------------------------------------------------
2542
2543 void wxDataViewRendererNativeData::Init()
2544 {
2545     m_origFont = NULL;
2546     m_origTextColour = NULL;
2547     m_ellipsizeMode = wxELLIPSIZE_MIDDLE;
2548
2549     if ( m_ColumnCell )
2550         ApplyLineBreakMode(m_ColumnCell);
2551 }
2552
2553 void wxDataViewRendererNativeData::ApplyLineBreakMode(NSCell *cell)
2554 {
2555     NSLineBreakMode nsMode = NSLineBreakByWordWrapping;
2556     switch ( m_ellipsizeMode )
2557     {
2558         case wxELLIPSIZE_NONE:
2559             nsMode = NSLineBreakByClipping;
2560             break;
2561
2562         case wxELLIPSIZE_START:
2563             nsMode = NSLineBreakByTruncatingHead;
2564             break;
2565
2566         case wxELLIPSIZE_MIDDLE:
2567             nsMode = NSLineBreakByTruncatingMiddle;
2568             break;
2569
2570         case wxELLIPSIZE_END:
2571             nsMode = NSLineBreakByTruncatingTail;
2572             break;
2573     }
2574
2575     wxASSERT_MSG( nsMode != NSLineBreakByWordWrapping, "unknown wxEllipsizeMode" );
2576
2577     [cell setLineBreakMode: nsMode];
2578 }
2579
2580 // ---------------------------------------------------------
2581 // wxDataViewRenderer
2582 // ---------------------------------------------------------
2583
2584 wxDataViewRenderer::wxDataViewRenderer(const wxString& varianttype,
2585                                        wxDataViewCellMode mode,
2586                                        int align)
2587     : wxDataViewRendererBase(varianttype, mode, align),
2588       m_alignment(align),
2589       m_mode(mode),
2590       m_NativeDataPtr(NULL)
2591 {
2592 }
2593
2594 wxDataViewRenderer::~wxDataViewRenderer()
2595 {
2596     delete m_NativeDataPtr;
2597 }
2598
2599 void wxDataViewRenderer::SetAlignment(int align)
2600 {
2601     m_alignment = align;
2602     [GetNativeData()->GetColumnCell() setAlignment:ConvertToNativeHorizontalTextAlignment(align)];
2603 }
2604
2605 void wxDataViewRenderer::SetMode(wxDataViewCellMode mode)
2606 {
2607     m_mode = mode;
2608     if ( GetOwner() )
2609         [GetOwner()->GetNativeData()->GetNativeColumnPtr() setEditable:(mode == wxDATAVIEW_CELL_EDITABLE)];
2610 }
2611
2612 void wxDataViewRenderer::SetNativeData(wxDataViewRendererNativeData* newNativeDataPtr)
2613 {
2614     delete m_NativeDataPtr;
2615     m_NativeDataPtr = newNativeDataPtr;
2616 }
2617
2618 void wxDataViewRenderer::EnableEllipsize(wxEllipsizeMode mode)
2619 {
2620     // we need to store this value to apply it to the columns headerCell in
2621     // CreateNativeColumn()
2622     GetNativeData()->SetEllipsizeMode(mode);
2623
2624     // but we may already apply it to the column cell which will be used for
2625     // this column
2626     GetNativeData()->ApplyLineBreakMode(GetNativeData()->GetColumnCell());
2627 }
2628
2629 wxEllipsizeMode wxDataViewRenderer::GetEllipsizeMode() const
2630 {
2631     return GetNativeData()->GetEllipsizeMode();
2632 }
2633
2634 void
2635 wxDataViewRenderer::OSXOnCellChanged(NSObject *object,
2636                                      const wxDataViewItem& item,
2637                                      unsigned col)
2638 {
2639     // TODO: This code should really be removed and this function be made pure
2640     //       virtual. We just need to decide what to do with custom renderers
2641     //       (i.e. wxDataViewCustomRenderer), currently OS X "in place" editing
2642     //       which doesn't really create an editor control is not compatible
2643     //       with the in place editing under other platforms.
2644
2645     wxVariant value;
2646     if ( [object isKindOfClass:[NSString class]] )
2647         value = ObjectToString(object);
2648     else if ( [object isKindOfClass:[NSNumber class]] )
2649         value = ObjectToLong(object);
2650     else if ( [object isKindOfClass:[NSDate class]] )
2651         value = ObjectToDate(object);
2652     else
2653     {
2654         wxFAIL_MSG( wxString::Format
2655                     (
2656                      "unknown value type %s",
2657                      wxCFStringRef::AsString([object className])
2658                     ));
2659         return;
2660     }
2661
2662     wxDataViewModel *model = GetOwner()->GetOwner()->GetModel();
2663     model->ChangeValue(value, item, col);
2664 }
2665
2666 void wxDataViewRenderer::OSXApplyAttr(const wxDataViewItemAttr& attr)
2667 {
2668     wxDataViewRendererNativeData * const data = GetNativeData();
2669     NSCell * const cell = data->GetItemCell();
2670
2671     // set the font and text colour to use: we need to do it if we had ever
2672     // changed them before, even if this item itself doesn't have any special
2673     // attributes as otherwise it would reuse the attributes from the previous
2674     // cell rendered using the same renderer
2675     NSFont *font = NULL;
2676     NSColor *colText = NULL;
2677
2678     if ( attr.HasFont() )
2679     {
2680         font = data->GetOriginalFont();
2681         if ( !font )
2682         {
2683             // this is the first time we're setting the font, remember the
2684             // original one before changing it
2685             font = [cell font];
2686             data->SaveOriginalFont(font);
2687         }
2688
2689         if ( font )
2690         {
2691             // FIXME: using wxFont methods here doesn't work for some reason
2692             NSFontManager * const fm = [NSFontManager sharedFontManager];
2693             if ( attr.GetBold() )
2694                 font = [fm convertFont:font toHaveTrait:NSBoldFontMask];
2695             if ( attr.GetItalic() )
2696                 font = [fm convertFont:font toHaveTrait:NSItalicFontMask];
2697         }
2698         //else: can't change font if the cell doesn't have any
2699     }
2700
2701     if ( attr.HasColour() )
2702     {
2703         // we can set font for any cell but only NSTextFieldCell provides
2704         // a method for setting text colour so check that this method is
2705         // available before using it
2706         if ( [cell respondsToSelector:@selector(setTextColor:)] &&
2707                 [cell respondsToSelector:@selector(textColor)] )
2708         {
2709             if ( !data->GetOriginalTextColour() )
2710             {
2711                 // the cast to (untyped) id is safe because of the check above
2712                 data->SaveOriginalTextColour([(id)cell textColor]);
2713             }
2714
2715             const wxColour& c = attr.GetColour();
2716             colText = [NSColor colorWithCalibratedRed:c.Red() / 255.
2717                 green:c.Green() / 255.
2718                 blue:c.Blue() / 255.
2719                 alpha:c.Alpha() / 255.];
2720         }
2721     }
2722
2723     if ( !font )
2724         font = data->GetOriginalFont();
2725     if ( !colText )
2726         colText = data->GetOriginalTextColour();
2727
2728     if ( font )
2729         [cell setFont:font];
2730
2731     if ( colText )
2732         [(id)cell setTextColor:colText];
2733 }
2734
2735 void wxDataViewRenderer::OSXApplyEnabled(bool enabled)
2736 {
2737     [GetNativeData()->GetItemCell() setEnabled:enabled];
2738 }
2739
2740 IMPLEMENT_ABSTRACT_CLASS(wxDataViewRenderer,wxDataViewRendererBase)
2741
2742 // ---------------------------------------------------------
2743 // wxDataViewCustomRenderer
2744 // ---------------------------------------------------------
2745 wxDataViewCustomRenderer::wxDataViewCustomRenderer(const wxString& varianttype,
2746                                                    wxDataViewCellMode mode,
2747                                                    int align)
2748     : wxDataViewCustomRendererBase(varianttype, mode, align),
2749       m_editorCtrlPtr(NULL),
2750       m_DCPtr(NULL)
2751 {
2752     SetNativeData(new wxDataViewRendererNativeData([[wxCustomCell alloc] init]));
2753 }
2754
2755 bool wxDataViewCustomRenderer::MacRender()
2756 {
2757     [GetNativeData()->GetItemCell() setObjectValue:[[[wxCustomRendererObject alloc] initWithRenderer:this] autorelease]];
2758     return true;
2759 }
2760
2761 void wxDataViewCustomRenderer::OSXApplyAttr(const wxDataViewItemAttr& attr)
2762 {
2763     // simply save the attribute so that it could be reused from our Render()
2764     SetAttr(attr);
2765
2766     // it's not necessary to call the base class version which sets the cell
2767     // properties to correspond to this attribute because we currently don't
2768     // use any NSCell methods in custom renderers anyhow but if we ever start
2769     // doing this (e.g. override RenderText() here to use NSTextFieldCell
2770     // methods), then we should pass it on to wxDataViewRenderer here
2771 }
2772
2773 IMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
2774
2775 // ---------------------------------------------------------
2776 // wxDataViewTextRenderer
2777 // ---------------------------------------------------------
2778 wxDataViewTextRenderer::wxDataViewTextRenderer(const wxString& varianttype,
2779                                                wxDataViewCellMode mode,
2780                                                int align)
2781     : wxDataViewRenderer(varianttype,mode,align)
2782 {
2783     NSTextFieldCell* cell;
2784
2785
2786     cell = [[NSTextFieldCell alloc] init];
2787     [cell setAlignment:ConvertToNativeHorizontalTextAlignment(align)];
2788     SetNativeData(new wxDataViewRendererNativeData(cell));
2789     [cell release];
2790 }
2791
2792 bool wxDataViewTextRenderer::MacRender()
2793 {
2794     if (GetValue().GetType() == GetVariantType())
2795     {
2796         [GetNativeData()->GetItemCell() setObjectValue:wxCFStringRef(GetValue().GetString()).AsNSString()];
2797         return true;
2798     }
2799     else
2800     {
2801         wxFAIL_MSG(wxString("Text renderer cannot render value because of wrong value type; value type: ") << GetValue().GetType());
2802         return false;
2803     }
2804 }
2805
2806 void
2807 wxDataViewTextRenderer::OSXOnCellChanged(NSObject *value,
2808                                          const wxDataViewItem& item,
2809                                          unsigned col)
2810 {
2811     wxDataViewModel *model = GetOwner()->GetOwner()->GetModel();
2812     model->ChangeValue(ObjectToString(value), item, col);
2813 }
2814
2815 IMPLEMENT_CLASS(wxDataViewTextRenderer,wxDataViewRenderer)
2816
2817 // ---------------------------------------------------------
2818 // wxDataViewBitmapRenderer
2819 // ---------------------------------------------------------
2820 wxDataViewBitmapRenderer::wxDataViewBitmapRenderer(const wxString& varianttype,
2821                                                    wxDataViewCellMode mode,
2822                                                    int align)
2823     : wxDataViewRenderer(varianttype,mode,align)
2824 {
2825     NSImageCell* cell;
2826
2827
2828     cell = [[NSImageCell alloc] init];
2829     SetNativeData(new wxDataViewRendererNativeData(cell));
2830     [cell release];
2831 }
2832
2833 // This method returns 'true' if
2834 //  - the passed bitmap is valid and it could be assigned to the native data
2835 //  browser;
2836 //  - the passed bitmap is invalid (or is not initialized); this case
2837 //  simulates a non-existing bitmap.
2838 // In all other cases the method returns 'false'.
2839 bool wxDataViewBitmapRenderer::MacRender()
2840 {
2841     wxCHECK_MSG(GetValue().GetType() == GetVariantType(),false,wxString("Bitmap renderer cannot render value; value type: ") << GetValue().GetType());
2842
2843     wxBitmap bitmap;
2844
2845     bitmap << GetValue();
2846     if (bitmap.IsOk())
2847         [GetNativeData()->GetItemCell() setObjectValue:[[bitmap.GetNSImage() retain] autorelease]];
2848     return true;
2849 }
2850
2851 IMPLEMENT_CLASS(wxDataViewBitmapRenderer,wxDataViewRenderer)
2852
2853 // -------------------------------------
2854 // wxDataViewChoiceRenderer
2855 // -------------------------------------
2856 wxDataViewChoiceRenderer::wxDataViewChoiceRenderer(const wxArrayString& choices,
2857                                                    wxDataViewCellMode mode,
2858                                                    int alignment)
2859     : wxDataViewRenderer(wxT("string"), mode, alignment),
2860       m_choices(choices)
2861 {
2862     NSPopUpButtonCell* cell;
2863
2864
2865     cell = [[NSPopUpButtonCell alloc] init];
2866     [cell setControlSize:NSMiniControlSize];
2867     [cell setFont:[NSFont fontWithName:[[cell font] fontName] size:[NSFont systemFontSizeForControlSize:NSMiniControlSize]]];
2868     for (size_t i=0; i<choices.GetCount(); ++i)
2869         [cell addItemWithTitle:wxCFStringRef(choices[i]).AsNSString()];
2870     SetNativeData(new wxDataViewRendererNativeData(cell));
2871     [cell release];
2872 }
2873
2874 void
2875 wxDataViewChoiceRenderer::OSXOnCellChanged(NSObject *value,
2876                                            const wxDataViewItem& item,
2877                                            unsigned col)
2878 {
2879     // At least under OS X 10.7 we get the index of the item selected and not
2880     // its string.
2881     wxDataViewModel *model = GetOwner()->GetOwner()->GetModel();
2882     model->ChangeValue(GetChoice(ObjectToLong(value)), item, col);
2883 }
2884
2885 bool wxDataViewChoiceRenderer::MacRender()
2886 {
2887     if (GetValue().GetType() == GetVariantType())
2888     {
2889         [((NSPopUpButtonCell*) GetNativeData()->GetItemCell()) selectItemWithTitle:[[wxCFStringRef(GetValue().GetString()).AsNSString() retain] autorelease]];
2890         return true;
2891     }
2892     else
2893     {
2894         wxFAIL_MSG(wxString("Choice renderer cannot render value because of wrong value type; value type: ") << GetValue().GetType());
2895         return false;
2896     }
2897 }
2898
2899 IMPLEMENT_CLASS(wxDataViewChoiceRenderer,wxDataViewRenderer)
2900
2901 // ---------------------------------------------------------
2902 // wxDataViewDateRenderer
2903 // ---------------------------------------------------------
2904
2905 wxDataViewDateRenderer::wxDataViewDateRenderer(const wxString& varianttype,
2906                                                wxDataViewCellMode mode,
2907                                                int align)
2908     : wxDataViewRenderer(varianttype,mode,align)
2909 {
2910     NSTextFieldCell* cell;
2911
2912     NSDateFormatter* dateFormatter;
2913
2914
2915     dateFormatter = [[NSDateFormatter alloc] init];
2916     [dateFormatter setFormatterBehavior:NSDateFormatterBehavior10_4];
2917     [dateFormatter setDateStyle:NSDateFormatterShortStyle];
2918     cell = [[NSTextFieldCell alloc] init];
2919     [cell setFormatter:dateFormatter];
2920     SetNativeData(new wxDataViewRendererNativeData(cell,[NSDate dateWithString:@"2000-12-30 20:00:00 +0000"]));
2921     [cell          release];
2922     [dateFormatter release];
2923 }
2924
2925 bool wxDataViewDateRenderer::MacRender()
2926 {
2927     if (GetValue().GetType() == GetVariantType())
2928     {
2929         if (GetValue().GetDateTime().IsValid())
2930         {
2931             // -- find best fitting style to show the date --
2932             // as the style should be identical for all cells a reference date
2933             // instead of the actual cell's date value is used for all cells;
2934             // this reference date is stored in the renderer's native data
2935             // section for speed purposes; otherwise, the reference date's
2936             // string has to be recalculated for each item that may become
2937             // timewise long if a lot of rows using dates exist; the algorithm
2938             // has the preference to display as much information as possible
2939             // in the first instance; but as this is often impossible due to
2940             // space restrictions the style is shortened per loop; finally, if
2941             // the shortest time and date format does not fit into the cell
2942             // the time part is dropped; remark: the time part itself is not
2943             // modified per iteration loop and only uses the short style,
2944             // means that only the hours and minutes are being shown
2945
2946             // GetObject() returns a date for testing the size of a date object
2947             [GetNativeData()->GetItemCell() setObjectValue:GetNativeData()->GetObject()];
2948             [[GetNativeData()->GetItemCell() formatter] setTimeStyle:NSDateFormatterShortStyle];
2949             for (int dateFormatterStyle=4; dateFormatterStyle>0; --dateFormatterStyle)
2950             {
2951                 [[GetNativeData()->GetItemCell() formatter] setDateStyle:(NSDateFormatterStyle)dateFormatterStyle];
2952                 if (dateFormatterStyle == 1)
2953                 {
2954                     // if the shortest style for displaying the date and time
2955                     // is too long to be fully visible remove the time part of
2956                     // the date:
2957                     if ([GetNativeData()->GetItemCell() cellSize].width > [GetNativeData()->GetColumnPtr() width])
2958                         [[GetNativeData()->GetItemCell() formatter] setTimeStyle:NSDateFormatterNoStyle];
2959                     {
2960                         // basically not necessary as the loop would end anyway
2961                         // but let's save the last comparison
2962                         break;
2963                     }
2964                 }
2965                 else if ([GetNativeData()->GetItemCell() cellSize].width <= [GetNativeData()->GetColumnPtr() width])
2966                     break;
2967             }
2968             // set data (the style is set by the previous loop); on OSX the
2969             // date has to be specified with respect to UTC; in wxWidgets the
2970             // date is always entered in the local timezone; so, we have to do
2971             // a conversion from the local to UTC timezone when adding the
2972             // seconds to 1970-01-01 UTC:
2973             [GetNativeData()->GetItemCell() setObjectValue:[NSDate dateWithTimeIntervalSince1970:GetValue().GetDateTime().ToUTC().Subtract(wxDateTime(1,wxDateTime::Jan,1970)).GetSeconds().ToDouble()]];
2974         }
2975         return true;
2976     }
2977     else
2978     {
2979         wxFAIL_MSG(wxString("Date renderer cannot render value because of wrong value type; value type: ") << GetValue().GetType());
2980         return false;
2981     }
2982 }
2983
2984 void
2985 wxDataViewDateRenderer::OSXOnCellChanged(NSObject *value,
2986                                          const wxDataViewItem& item,
2987                                          unsigned col)
2988 {
2989     wxDataViewModel *model = GetOwner()->GetOwner()->GetModel();
2990     model->ChangeValue(ObjectToDate(value), item, col);
2991 }
2992
2993 IMPLEMENT_ABSTRACT_CLASS(wxDataViewDateRenderer,wxDataViewRenderer)
2994
2995 // ---------------------------------------------------------
2996 // wxDataViewIconTextRenderer
2997 // ---------------------------------------------------------
2998 wxDataViewIconTextRenderer::wxDataViewIconTextRenderer(const wxString& varianttype,
2999                                                        wxDataViewCellMode mode,
3000                                                        int align)
3001      : wxDataViewRenderer(varianttype,mode)
3002 {
3003     wxImageTextCell* cell;
3004
3005
3006     cell = [[wxImageTextCell alloc] init];
3007     [cell setAlignment:ConvertToNativeHorizontalTextAlignment(align)];
3008     SetNativeData(new wxDataViewRendererNativeData(cell));
3009     [cell release];
3010 }
3011
3012 bool wxDataViewIconTextRenderer::MacRender()
3013 {
3014     if (GetValue().GetType() == GetVariantType())
3015     {
3016         wxDataViewIconText iconText;
3017
3018         wxImageTextCell* cell;
3019
3020         cell = (wxImageTextCell*) GetNativeData()->GetItemCell();
3021         iconText << GetValue();
3022         if (iconText.GetIcon().IsOk())
3023             [cell setImage:[[wxBitmap(iconText.GetIcon()).GetNSImage() retain] autorelease]];
3024         else
3025             [cell setImage:nil];
3026         [cell setStringValue:[[wxCFStringRef(iconText.GetText()).AsNSString() retain] autorelease]];
3027         return true;
3028     }
3029     else
3030     {
3031         wxFAIL_MSG(wxString("Icon & text renderer cannot render value because of wrong value type; value type: ") << GetValue().GetType());
3032         return false;
3033     }
3034 }
3035
3036 void
3037 wxDataViewIconTextRenderer::OSXOnCellChanged(NSObject *value,
3038                                              const wxDataViewItem& item,
3039                                              unsigned col)
3040 {
3041     wxVariant valueIconText;
3042     valueIconText << wxDataViewIconText(ObjectToString(value));
3043
3044     wxDataViewModel *model = GetOwner()->GetOwner()->GetModel();
3045     model->ChangeValue(valueIconText, item, col);
3046 }
3047
3048 IMPLEMENT_ABSTRACT_CLASS(wxDataViewIconTextRenderer,wxDataViewRenderer)
3049
3050 // ---------------------------------------------------------
3051 // wxDataViewToggleRenderer
3052 // ---------------------------------------------------------
3053 wxDataViewToggleRenderer::wxDataViewToggleRenderer(const wxString& varianttype,
3054                                                    wxDataViewCellMode mode,
3055                                                    int align)
3056     : wxDataViewRenderer(varianttype,mode)
3057 {
3058     NSButtonCell* cell;
3059
3060
3061     cell = [[NSButtonCell alloc] init];
3062     [cell setAlignment:ConvertToNativeHorizontalTextAlignment(align)];
3063     [cell setButtonType:NSSwitchButton];
3064     [cell setImagePosition:NSImageOnly];
3065     SetNativeData(new wxDataViewRendererNativeData(cell));
3066     [cell release];
3067 }
3068
3069 bool wxDataViewToggleRenderer::MacRender()
3070 {
3071     if (GetValue().GetType() == GetVariantType())
3072     {
3073         [GetNativeData()->GetItemCell() setIntValue:GetValue().GetLong()];
3074         return true;
3075     }
3076     else
3077     {
3078         wxFAIL_MSG(wxString("Toggle renderer cannot render value because of wrong value type; value type: ") << GetValue().GetType());
3079         return false;
3080     }
3081 }
3082
3083 void
3084 wxDataViewToggleRenderer::OSXOnCellChanged(NSObject *value,
3085                                            const wxDataViewItem& item,
3086                                            unsigned col)
3087 {
3088     wxDataViewModel *model = GetOwner()->GetOwner()->GetModel();
3089     model->ChangeValue(ObjectToBool(value), item, col);
3090 }
3091
3092 IMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleRenderer,wxDataViewRenderer)
3093
3094 // ---------------------------------------------------------
3095 // wxDataViewProgressRenderer
3096 // ---------------------------------------------------------
3097 wxDataViewProgressRenderer::wxDataViewProgressRenderer(const wxString& label,
3098                                                        const wxString& varianttype,
3099                                                        wxDataViewCellMode mode,
3100                                                        int align)
3101     : wxDataViewRenderer(varianttype,mode,align)
3102 {
3103     wxUnusedVar(label);
3104
3105     NSLevelIndicatorCell* cell;
3106
3107     cell = [[NSLevelIndicatorCell alloc] initWithLevelIndicatorStyle:NSContinuousCapacityLevelIndicatorStyle];
3108     [cell setMinValue:0];
3109     [cell setMaxValue:100];
3110     SetNativeData(new wxDataViewRendererNativeData(cell));
3111     [cell release];
3112 }
3113
3114 bool wxDataViewProgressRenderer::MacRender()
3115 {
3116     if (GetValue().GetType() == GetVariantType())
3117     {
3118         [GetNativeData()->GetItemCell() setIntValue:GetValue().GetLong()];
3119         return true;
3120     }
3121     else
3122     {
3123         wxFAIL_MSG(wxString("Progress renderer cannot render value because of wrong value type; value type: ") << GetValue().GetType());
3124         return false;
3125     }
3126 }
3127
3128 void
3129 wxDataViewProgressRenderer::OSXOnCellChanged(NSObject *value,
3130                                              const wxDataViewItem& item,
3131                                              unsigned col)
3132 {
3133     wxDataViewModel *model = GetOwner()->GetOwner()->GetModel();
3134     model->ChangeValue(ObjectToLong(value), item, col);
3135 }
3136
3137 IMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressRenderer,wxDataViewRenderer)
3138
3139 // ---------------------------------------------------------
3140 // wxDataViewColumn
3141 // ---------------------------------------------------------
3142
3143 wxDataViewColumn::wxDataViewColumn(const wxString& title,
3144                                    wxDataViewRenderer* renderer,
3145                                    unsigned int model_column,
3146                                    int width,
3147                                    wxAlignment align,
3148                                    int flags)
3149      : wxDataViewColumnBase(renderer, model_column),
3150        m_NativeDataPtr(new wxDataViewColumnNativeData()),
3151        m_title(title)
3152 {
3153     InitCommon(width, align, flags);
3154     if (renderer && !renderer->IsCustomRenderer() &&
3155         (renderer->GetAlignment() == wxDVR_DEFAULT_ALIGNMENT))
3156         renderer->SetAlignment(align);
3157 }
3158
3159 wxDataViewColumn::wxDataViewColumn(const wxBitmap& bitmap,
3160                                    wxDataViewRenderer* renderer,
3161                                    unsigned int model_column,
3162                                    int width,
3163                                    wxAlignment align,
3164                                    int flags)
3165     : wxDataViewColumnBase(bitmap, renderer, model_column),
3166       m_NativeDataPtr(new wxDataViewColumnNativeData())
3167 {
3168     InitCommon(width, align, flags);
3169     if (renderer && !renderer->IsCustomRenderer() &&
3170         (renderer->GetAlignment() == wxDVR_DEFAULT_ALIGNMENT))
3171         renderer->SetAlignment(align);
3172 }
3173
3174 wxDataViewColumn::~wxDataViewColumn()
3175 {
3176     delete m_NativeDataPtr;
3177 }
3178
3179 int wxDataViewColumn::GetWidth() const
3180 {
3181     return [m_NativeDataPtr->GetNativeColumnPtr() width];
3182 }
3183
3184 bool wxDataViewColumn::IsSortKey() const
3185 {
3186     NSTableColumn *nsCol = GetNativeData()->GetNativeColumnPtr();
3187     return nsCol && ([nsCol sortDescriptorPrototype] != nil);
3188 }
3189
3190 void wxDataViewColumn::SetAlignment(wxAlignment align)
3191 {
3192     m_alignment = align;
3193     [[m_NativeDataPtr->GetNativeColumnPtr() headerCell] setAlignment:ConvertToNativeHorizontalTextAlignment(align)];
3194     if (m_renderer && !m_renderer->IsCustomRenderer() &&
3195         (m_renderer->GetAlignment() == wxDVR_DEFAULT_ALIGNMENT))
3196         m_renderer->SetAlignment(align);
3197 }
3198
3199 void wxDataViewColumn::SetBitmap(const wxBitmap& bitmap)
3200 {
3201     // bitmaps and titles cannot exist at the same time - if the bitmap is set
3202     // the title is removed:
3203     m_title = wxEmptyString;
3204     wxDataViewColumnBase::SetBitmap(bitmap);
3205     [[m_NativeDataPtr->GetNativeColumnPtr() headerCell] setImage:[[bitmap.GetNSImage() retain] autorelease]];
3206 }
3207
3208 void wxDataViewColumn::SetMaxWidth(int maxWidth)
3209 {
3210     m_maxWidth = maxWidth;
3211     [m_NativeDataPtr->GetNativeColumnPtr() setMaxWidth:maxWidth];
3212 }
3213
3214 void wxDataViewColumn::SetMinWidth(int minWidth)
3215 {
3216     m_minWidth = minWidth;
3217     [m_NativeDataPtr->GetNativeColumnPtr() setMinWidth:minWidth];
3218 }
3219
3220 void wxDataViewColumn::SetReorderable(bool reorderable)
3221 {
3222     wxUnusedVar(reorderable);
3223 }
3224
3225 void wxDataViewColumn::SetHidden(bool hidden)
3226 {
3227     // How to set flag here?
3228
3229     [m_NativeDataPtr->GetNativeColumnPtr() setHidden:hidden];
3230 }
3231
3232 bool wxDataViewColumn::IsHidden() const
3233 {
3234     return [m_NativeDataPtr->GetNativeColumnPtr() isHidden];
3235 }
3236
3237 void wxDataViewColumn::SetResizeable(bool resizable)
3238 {
3239     wxDataViewColumnBase::SetResizeable(resizable);
3240     if (resizable)
3241         [m_NativeDataPtr->GetNativeColumnPtr() setResizingMask:NSTableColumnUserResizingMask];
3242     else
3243         [m_NativeDataPtr->GetNativeColumnPtr() setResizingMask:NSTableColumnNoResizing];
3244 }
3245
3246 void wxDataViewColumn::SetSortable(bool sortable)
3247 {
3248     // wxDataViewColumnBase::SetSortable(sortable);
3249     // Avoid endless recursion and just set the flag here
3250     if (sortable)
3251         m_flags |= wxDATAVIEW_COL_SORTABLE;
3252     else
3253         m_flags &= ~wxDATAVIEW_COL_SORTABLE;
3254 }
3255
3256 void wxDataViewColumn::SetSortOrder(bool ascending)
3257 {
3258     if (m_ascending != ascending)
3259     {
3260         m_ascending = ascending;
3261         if (IsSortKey())
3262         {
3263             // change sorting order:
3264             NSArray*          sortDescriptors;
3265             NSSortDescriptor* sortDescriptor;
3266             NSTableColumn*    tableColumn;
3267
3268             tableColumn     = m_NativeDataPtr->GetNativeColumnPtr();
3269             sortDescriptor  = [[NSSortDescriptor alloc] initWithKey:[[tableColumn sortDescriptorPrototype] key] ascending:m_ascending];
3270             sortDescriptors = [NSArray arrayWithObject:sortDescriptor];
3271             [tableColumn setSortDescriptorPrototype:sortDescriptor];
3272             [[tableColumn tableView] setSortDescriptors:sortDescriptors];
3273             [sortDescriptor release];
3274         }
3275     }
3276 }
3277
3278 void wxDataViewColumn::SetTitle(const wxString& title)
3279 {
3280     // bitmaps and titles cannot exist at the same time - if the title is set
3281     // the bitmap is removed:
3282     wxDataViewColumnBase::SetBitmap(wxBitmap());
3283     m_title = title;
3284     [[m_NativeDataPtr->GetNativeColumnPtr() headerCell] setStringValue:[[wxCFStringRef(title).AsNSString() retain] autorelease]];
3285 }
3286
3287 void wxDataViewColumn::SetWidth(int width)
3288 {
3289     m_width = width;
3290
3291     switch ( width )
3292     {
3293         case wxCOL_WIDTH_AUTOSIZE:
3294 #if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5
3295             if ( GetOwner() )
3296             {
3297                 wxCocoaDataViewControl *peer = static_cast<wxCocoaDataViewControl*>(GetOwner()->GetPeer());
3298                 peer->FitColumnWidthToContent(GetOwner()->GetColumnPosition(this));
3299                 break;
3300             }
3301 #endif
3302             // fall through if unsupported (OSX < 10.5) or not yet settable
3303
3304         case wxCOL_WIDTH_DEFAULT:
3305             width = wxDVC_DEFAULT_WIDTH;
3306             // fall through
3307
3308         default:
3309             [m_NativeDataPtr->GetNativeColumnPtr() setWidth:width];
3310             break;
3311     }
3312 }
3313
3314 void wxDataViewColumn::SetNativeData(wxDataViewColumnNativeData* newNativeDataPtr)
3315 {
3316     delete m_NativeDataPtr;
3317     m_NativeDataPtr = newNativeDataPtr;
3318 }
3319
3320 #endif // (wxUSE_DATAVIEWCTRL == 1) && !defined(wxUSE_GENERICDATAVIEWCTRL)