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wxWidgets/src/osx/cocoa/dataview.mm
2012-11-23 07:55:58 +00:00

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///////////////////////////////////////////////////////////////////////////////
// Name: src/osx/cocoa/dataview.mm
// Purpose: wxDataView
// Author:
// Modified by:
// Created: 2009-01-31
// RCS-ID: $Id: dataview.mm$
// Copyright:
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#include "wx/wxprec.h"
#if (wxUSE_DATAVIEWCTRL == 1) && !defined(wxUSE_GENERICDATAVIEWCTRL)
#ifndef WX_PRECOMP
#include "wx/app.h"
#include "wx/toplevel.h"
#include "wx/font.h"
#include "wx/settings.h"
#include "wx/utils.h"
#endif
#include "wx/osx/private.h"
#include "wx/osx/cocoa/dataview.h"
#include "wx/renderer.h"
#include "wx/stopwatch.h"
#include "wx/dcgraph.h"
// ============================================================================
// Constants used locally
// ============================================================================
#define DataViewPboardType @"OutlineViewItem"
// ============================================================================
// Classes used locally in dataview.mm
// ============================================================================
// ============================================================================
// wxPointerObject
// ============================================================================
@implementation wxPointerObject
-(id) init
{
self = [super init];
if (self != nil)
self->pointer = NULL;
return self;
}
-(id) initWithPointer:(void*) initPointer
{
self = [super init];
if (self != nil)
self->pointer = initPointer;
return self;
}
//
// inherited methods from NSObject
//
-(BOOL) isEqual:(id)object
{
return (object != nil) &&
([object isKindOfClass:[wxPointerObject class]]) &&
(pointer == [((wxPointerObject*) object) pointer]);
}
-(NSUInteger) hash
{
return (NSUInteger) pointer;
}
-(void*) pointer
{
return pointer;
}
-(void) setPointer:(void*) newPointer
{
pointer = newPointer;
}
@end
namespace
{
inline wxDataViewItem wxDataViewItemFromItem(id item)
{
return wxDataViewItem([static_cast<wxPointerObject *>(item) pointer]);
}
inline wxDataViewItem wxDataViewItemFromMaybeNilItem(id item)
{
return item == nil ? wxDataViewItem() : wxDataViewItemFromItem(item);
}
} // anonymous namespace
// ----------------------------------------------------------------------------
// wxCustomRendererObject
// ----------------------------------------------------------------------------
@interface wxCustomRendererObject : NSObject <NSCopying>
{
@public
wxDataViewCustomRenderer* customRenderer; // not owned by the class
}
-(id) init;
-(id) initWithRenderer:(wxDataViewCustomRenderer*)renderer;
@end
@implementation wxCustomRendererObject
-(id) init
{
self = [super init];
if (self != nil)
{
customRenderer = NULL;
}
return self;
}
-(id) initWithRenderer:(wxDataViewCustomRenderer*)renderer
{
self = [super init];
if (self != nil)
{
customRenderer = renderer;
}
return self;
}
-(id) copyWithZone:(NSZone*)zone
{
wxCustomRendererObject* copy;
copy = [[[self class] allocWithZone:zone] init];
copy->customRenderer = customRenderer;
return copy;
}
@end
// ----------------------------------------------------------------------------
// wxDVCNSTableColumn: exists only to override NSTableColumn:dataCellForRow:
// ----------------------------------------------------------------------------
@interface wxDVCNSTableColumn : NSTableColumn
{
}
// Get the identifier we use for the specified column. This should be used
// for finding columns from identifier only, to initialize the identifier
// of a new column use initWithColumnPointer below instead.
+(NSString*) identifierForColumnPointer:(const wxDataViewColumn*)column;
// Initialize the column with the given pointer to the associated
// wxDataViewColumn. This pointer can later be retrieved using
// getColumnPointer.
-(id) initWithColumnPointer:(const wxDataViewColumn*)column;
// Retrieve the associated column.
-(wxDataViewColumn*) getColumnPointer;
-(id) dataCellForRow:(NSInteger)row;
@end
@implementation wxDVCNSTableColumn
+(NSString*) identifierForColumnPointer:(const wxDataViewColumn*)column
{
// Starting from OS X 10.7 the column identifier must be an NSString and
// not just some arbitrary object, so we serialize the pointer into the
// string. Notice the use of NSInteger which is big enough to store a
// pointer in both 32 and 64 bit builds.
return [NSString stringWithFormat:@"%lu", reinterpret_cast<NSUInteger>(column)];
}
-(id) initWithColumnPointer:(const wxDataViewColumn*)column
{
[self initWithIdentifier: [wxDVCNSTableColumn identifierForColumnPointer:column]];
return self;
}
-(wxDataViewColumn*) getColumnPointer
{
// The case to NSString is needed for OS X < 10.7.
return reinterpret_cast<wxDataViewColumn*>(
[static_cast<NSString*>([self identifier]) integerValue]);
}
-(id) dataCellForRow:(NSInteger)row
{
// what we want to do here is to simply return nil for the cells which
// shouldn't show anything as otherwise we would show e.g. empty combo box
// or progress cells in the columns using the corresponding types even for
// the container rows which is wrong
const wxDataViewColumn * const dvCol = [self getColumnPointer];
const wxDataViewCtrl * const dvc = dvCol->GetOwner();
const wxCocoaDataViewControl * const
peer = static_cast<wxCocoaDataViewControl *>(dvc->GetPeer());
// once we do have everything, simply ask NSOutlineView for the item...
const id item = peer->GetItemAtRow(row);
if ( item )
{
// ... and if it succeeded, ask the model whether it has any value
wxDataViewItem dvItem(wxDataViewItemFromItem(item));
if ( !dvc->GetModel()->HasValue(dvItem, dvCol->GetModelColumn()) )
return nil;
}
return [super dataCellForRow:row];
}
@end
// ============================================================================
// local helpers
// ============================================================================
namespace
{
// convert from NSObject to different C++ types: all these functions check
// that the conversion really makes sense and assert if it doesn't
wxString ObjectToString(NSObject *object)
{
wxCHECK_MSG( [object isKindOfClass:[NSString class]], "",
wxString::Format
(
"string expected but got %s",
wxCFStringRef::AsString([object className])
));
return wxCFStringRef([((NSString*) object) retain]).AsString();
}
bool ObjectToBool(NSObject *object)
{
// actually the value must be of NSCFBoolean class but it's private so we
// can't check for it directly
wxCHECK_MSG( [object isKindOfClass:[NSNumber class]], false,
wxString::Format
(
"number expected but got %s",
wxCFStringRef::AsString([object className])
));
return [(NSNumber *)object boolValue];
}
long ObjectToLong(NSObject *object)
{
wxCHECK_MSG( [object isKindOfClass:[NSNumber class]], -1,
wxString::Format
(
"number expected but got %s",
wxCFStringRef::AsString([object className])
));
return [(NSNumber *)object longValue];
}
wxDateTime ObjectToDate(NSObject *object)
{
wxCHECK_MSG( [object isKindOfClass:[NSDate class]], wxInvalidDateTime,
wxString::Format
(
"date expected but got %s",
wxCFStringRef::AsString([object className])
));
// get the number of seconds since 1970-01-01 UTC and this is the only
// way to convert a double to a wxLongLong
const wxLongLong seconds = [((NSDate*) object) timeIntervalSince1970];
wxDateTime dt(1, wxDateTime::Jan, 1970);
dt.Add(wxTimeSpan(0,0,seconds));
// the user has entered a date in the local timezone but seconds
// contains the number of seconds from date in the local timezone
// since 1970-01-01 UTC; therefore, the timezone information has to be
// transferred to wxWidgets, too:
dt.MakeFromTimezone(wxDateTime::UTC);
return dt;
}
NSInteger CompareItems(id item1, id item2, void* context)
{
NSArray* const sortDescriptors = (NSArray*) context;
NSUInteger const count = [sortDescriptors count];
NSInteger result = NSOrderedSame;
for ( NSUInteger i = 0; i < count && result == NSOrderedSame; ++i )
{
wxSortDescriptorObject* const
sortDescriptor = (wxSortDescriptorObject*)
[sortDescriptors objectAtIndex:i];
int rc = [sortDescriptor modelPtr]->Compare
(
wxDataViewItemFromItem(item1),
wxDataViewItemFromItem(item2),
[sortDescriptor columnPtr]->GetModelColumn(),
[sortDescriptor ascending] == YES
);
if ( rc < 0 )
result = NSOrderedAscending;
else if ( rc > 0 )
result = NSOrderedDescending;
}
return result;
}
NSTextAlignment ConvertToNativeHorizontalTextAlignment(int alignment)
{
if (alignment & wxALIGN_CENTER_HORIZONTAL)
return NSCenterTextAlignment;
else if (alignment & wxALIGN_RIGHT)
return NSRightTextAlignment;
else
return NSLeftTextAlignment;
}
NSTableColumn* CreateNativeColumn(const wxDataViewColumn *column)
{
wxDataViewRenderer * const renderer = column->GetRenderer();
wxCHECK_MSG( renderer, NULL, "column should have a renderer" );
wxDVCNSTableColumn * const nativeColumn(
[[wxDVCNSTableColumn alloc] initWithColumnPointer: column]
);
// setting the size related parameters:
int resizingMask;
if (column->IsResizeable())
{
resizingMask = NSTableColumnUserResizingMask;
[nativeColumn setMinWidth:column->GetMinWidth()];
[nativeColumn setMaxWidth:column->GetMaxWidth()];
}
else // column is not resizable [by user]
{
// if the control doesn't show a header, make the columns resize
// automatically, this is particularly important for the single column
// controls (such as wxDataViewTreeCtrl) as their unique column should
// always take up all the available splace
resizingMask = column->GetOwner()->HasFlag(wxDV_NO_HEADER)
? NSTableColumnAutoresizingMask
: NSTableColumnNoResizing;
}
[nativeColumn setResizingMask:resizingMask];
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
// setting the visibility:
[nativeColumn setHidden:static_cast<BOOL>(column->IsHidden())];
#endif
wxDataViewRendererNativeData * const renderData = renderer->GetNativeData();
// setting the header:
[[nativeColumn headerCell] setAlignment:
ConvertToNativeHorizontalTextAlignment(column->GetAlignment())];
[[nativeColumn headerCell] setStringValue:
[[wxCFStringRef(column->GetTitle()).AsNSString() retain] autorelease]];
renderData->ApplyLineBreakMode([nativeColumn headerCell]);
// setting data cell's properties:
[[nativeColumn dataCell] setWraps:NO];
// setting the default data cell:
[nativeColumn setDataCell:renderData->GetColumnCell()];
// setting the editablility:
const bool isEditable = renderer->GetMode() == wxDATAVIEW_CELL_EDITABLE;
[nativeColumn setEditable:isEditable];
[[nativeColumn dataCell] setEditable:isEditable];
return nativeColumn;
}
} // anonymous namespace
// ============================================================================
// Public helper functions for dataview implementation on OSX
// ============================================================================
wxWidgetImplType* CreateDataView(wxWindowMac* wxpeer,
wxWindowMac* WXUNUSED(parent),
wxWindowID WXUNUSED(id),
const wxPoint& pos,
const wxSize& size,
long style,
long WXUNUSED(extraStyle))
{
return new wxCocoaDataViewControl(wxpeer,pos,size,style);
}
// ============================================================================
// wxSortDescriptorObject
// ============================================================================
@implementation wxSortDescriptorObject
-(id) init
{
self = [super init];
if (self != nil)
{
columnPtr = NULL;
modelPtr = NULL;
}
return self;
}
-(id)
initWithModelPtr:(wxDataViewModel*)initModelPtr
sortingColumnPtr:(wxDataViewColumn*)initColumnPtr
ascending:(BOOL)sortAscending
{
self = [super initWithKey:@"dummy" ascending:sortAscending];
if (self != nil)
{
columnPtr = initColumnPtr;
modelPtr = initModelPtr;
}
return self;
}
-(id) copyWithZone:(NSZone*)zone
{
wxSortDescriptorObject* copy;
copy = [super copyWithZone:zone];
copy->columnPtr = columnPtr;
copy->modelPtr = modelPtr;
return copy;
}
//
// access to model column's index
//
-(wxDataViewColumn*) columnPtr
{
return columnPtr;
}
-(wxDataViewModel*) modelPtr
{
return modelPtr;
}
-(void) setColumnPtr:(wxDataViewColumn*)newColumnPtr
{
columnPtr = newColumnPtr;
}
-(void) setModelPtr:(wxDataViewModel*)newModelPtr
{
modelPtr = newModelPtr;
}
@end
// ============================================================================
// wxCocoaOutlineDataSource
// ============================================================================
@implementation wxCocoaOutlineDataSource
//
// constructors / destructor
//
-(id) init
{
self = [super init];
if (self != nil)
{
implementation = NULL;
model = NULL;
currentParentItem = nil;
children = [[NSMutableArray alloc] init];
items = [[NSMutableSet alloc] init];
}
return self;
}
-(void) dealloc
{
[currentParentItem release];
[children release];
[items release];
[super dealloc];
}
//
// methods of informal protocol:
//
-(BOOL)
outlineView:(NSOutlineView*)outlineView
acceptDrop:(id<NSDraggingInfo>)info
item:(id)item childIndex:(NSInteger)index
{
wxUnusedVar(outlineView);
wxUnusedVar(index);
NSArray* supportedTypes(
[NSArray arrayWithObjects:DataViewPboardType,NSStringPboardType,nil]
);
NSPasteboard* pasteboard([info draggingPasteboard]);
NSString* bestType([pasteboard availableTypeFromArray:supportedTypes]);
if ( bestType == nil )
return FALSE;
wxDataViewCtrl * const dvc(implementation->GetDataViewCtrl());
wxCHECK_MSG( dvc, false,
"Pointer to data view control not set correctly." );
wxCHECK_MSG( dvc->GetModel(), false,
"Pointer to model not set correctly." );
wxDataViewEvent event(wxEVT_COMMAND_DATAVIEW_ITEM_DROP, dvc->GetId());
event.SetEventObject(dvc);
event.SetItem(wxDataViewItemFromItem(item));
event.SetModel(dvc->GetModel());
BOOL dragSuccessful = false;
if ( [bestType compare:DataViewPboardType] == NSOrderedSame )
{
NSArray* dataArray((NSArray*)
[pasteboard propertyListForType:DataViewPboardType]);
NSUInteger indexDraggedItem, noOfDraggedItems([dataArray count]);
indexDraggedItem = 0;
while (indexDraggedItem < noOfDraggedItems)
{
wxDataObjectComposite* dataObjects(
implementation->GetDnDDataObjects((NSData*)
[dataArray objectAtIndex:indexDraggedItem]));
if (dataObjects && (dataObjects->GetFormatCount() > 0))
{
wxMemoryBuffer buffer;
// copy data into data object:
event.SetDataObject(dataObjects);
event.SetDataFormat(
implementation->GetDnDDataFormat(dataObjects));
// copy data into buffer:
dataObjects->GetDataHere(
event.GetDataFormat().GetType(),
buffer.GetWriteBuf(event.GetDataSize()));
buffer.UngetWriteBuf(event.GetDataSize());
event.SetDataBuffer(buffer.GetData());
// finally, send event:
if (dvc->HandleWindowEvent(event) && event.IsAllowed())
{
dragSuccessful = true;
++indexDraggedItem;
}
else
{
dragSuccessful = true;
indexDraggedItem = noOfDraggedItems; // stop loop
}
}
else
{
dragSuccessful = false;
indexDraggedItem = noOfDraggedItems; // stop loop
}
// clean-up:
delete dataObjects;
}
}
else
{
// needed to convert internally used UTF-16 representation to a UTF-8
// representation
CFDataRef osxData;
wxDataObjectComposite* dataObjects (new wxDataObjectComposite());
wxTextDataObject* textDataObject(new wxTextDataObject());
osxData = ::CFStringCreateExternalRepresentation
(
kCFAllocatorDefault,
(CFStringRef)[pasteboard stringForType:NSStringPboardType],
kCFStringEncodingUTF8,
32
);
if (textDataObject->SetData(::CFDataGetLength(osxData),
::CFDataGetBytePtr(osxData)))
dataObjects->Add(textDataObject);
else
delete textDataObject;
// send event if data could be copied:
if (dataObjects->GetFormatCount() > 0)
{
event.SetDataObject(dataObjects);
event.SetDataFormat(implementation->GetDnDDataFormat(dataObjects));
if (dvc->HandleWindowEvent(event) && event.IsAllowed())
dragSuccessful = true;
else
dragSuccessful = false;
}
else
dragSuccessful = false;
// clean up:
::CFRelease(osxData);
delete dataObjects;
}
return dragSuccessful;
}
-(id) outlineView:(NSOutlineView*)outlineView
child:(NSInteger)index
ofItem:(id)item
{
wxUnusedVar(outlineView);
if ((item == currentParentItem) &&
(index < ((NSInteger) [self getChildCount])))
return [self getChild:index];
wxDataViewItemArray dataViewChildren;
wxCHECK_MSG( model, 0, "Valid model in data source does not exist." );
model->GetChildren(wxDataViewItemFromMaybeNilItem(item), dataViewChildren);
[self bufferItem:item withChildren:&dataViewChildren];
if ([sortDescriptors count] > 0)
[children sortUsingFunction:CompareItems context:sortDescriptors];
return [self getChild:index];
}
-(BOOL) outlineView:(NSOutlineView*)outlineView isItemExpandable:(id)item
{
wxUnusedVar(outlineView);
wxCHECK_MSG( model, 0, "Valid model in data source does not exist." );
return model->IsContainer(wxDataViewItemFromItem(item));
}
-(NSInteger) outlineView:(NSOutlineView*)outlineView numberOfChildrenOfItem:(id)item
{
wxUnusedVar(outlineView);
NSInteger noOfChildren;
wxDataViewItemArray dataViewChildren;
wxCHECK_MSG( model, 0, "Valid model in data source does not exist." );
noOfChildren = model->GetChildren(wxDataViewItemFromMaybeNilItem(item),
dataViewChildren);
[self bufferItem:item withChildren:&dataViewChildren];
if ([sortDescriptors count] > 0)
[children sortUsingFunction:CompareItems context:sortDescriptors];
return noOfChildren;
}
-(id)
outlineView:(NSOutlineView*)outlineView
objectValueForTableColumn:(NSTableColumn*)tableColumn
byItem:(id)item
{
wxUnusedVar(outlineView);
wxCHECK_MSG( model, nil, "Valid model in data source does not exist." );
wxDataViewColumn* const
col([static_cast<wxDVCNSTableColumn*>(tableColumn) getColumnPointer]);
const unsigned colIdx = col->GetModelColumn();
wxDataViewItem dataViewItem(wxDataViewItemFromItem(item));
if ( model->HasValue(dataViewItem, colIdx) )
{
wxVariant value;
model->GetValue(value,dataViewItem, colIdx);
col->GetRenderer()->SetValue(value);
}
return nil;
}
-(void)
outlineView:(NSOutlineView*)outlineView
setObjectValue:(id)object
forTableColumn:(NSTableColumn*)tableColumn
byItem:(id)item
{
wxUnusedVar(outlineView);
wxDataViewColumn* const
col([static_cast<wxDVCNSTableColumn*>(tableColumn) getColumnPointer]);
col->GetRenderer()->
OSXOnCellChanged(object, wxDataViewItemFromItem(item), col->GetModelColumn());
}
-(void) outlineView:(NSOutlineView*)outlineView sortDescriptorsDidChange:(NSArray*)oldDescriptors
{
wxUnusedVar(oldDescriptors);
// Warning: the new sort descriptors are guaranteed to be only of type
// NSSortDescriptor! Therefore, the sort descriptors for the data source
// have to be converted.
NSArray* newDescriptors;
NSMutableArray* wxSortDescriptors;
NSUInteger noOfDescriptors;
wxDataViewCtrl* const dvc = implementation->GetDataViewCtrl();
// convert NSSortDescriptors to wxSortDescriptorObjects:
newDescriptors = [outlineView sortDescriptors];
noOfDescriptors = [newDescriptors count];
wxSortDescriptors = [NSMutableArray arrayWithCapacity:noOfDescriptors];
for (NSUInteger i=0; i<noOfDescriptors; ++i)
{
NSSortDescriptor* const newDescriptor = [newDescriptors objectAtIndex:i];
[wxSortDescriptors addObject:[[[wxSortDescriptorObject alloc] initWithModelPtr:model
sortingColumnPtr:dvc->GetColumn([[newDescriptor key] intValue])
ascending:[newDescriptor ascending]] autorelease]];
}
[(wxCocoaOutlineDataSource*)[outlineView dataSource] setSortDescriptors:wxSortDescriptors];
// send first the event to wxWidgets that the sorting has changed so that
// the program can do special actions before the sorting actually starts:
wxDataViewEvent event(wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED,dvc->GetId()); // variable definition
event.SetEventObject(dvc);
if (noOfDescriptors > 0)
{
wxDataViewColumn* const col = [[wxSortDescriptors objectAtIndex:0] columnPtr];
event.SetColumn(dvc->GetColumnPosition(col));
event.SetDataViewColumn(col);
}
dvc->GetEventHandler()->ProcessEvent(event);
// start re-ordering the data;
// children's buffer must be cleared first because it contains the old order:
[self clearChildren];
// sorting is done while reloading the data:
[outlineView reloadData];
}
-(NSDragOperation) outlineView:(NSOutlineView*)outlineView validateDrop:(id<NSDraggingInfo>)info proposedItem:(id)item proposedChildIndex:(NSInteger)index
{
wxUnusedVar(outlineView);
wxUnusedVar(index);
NSArray* supportedTypes([NSArray arrayWithObjects:DataViewPboardType,NSStringPboardType,nil]);
NSPasteboard* pasteboard([info draggingPasteboard]);
NSString* bestType([pasteboard availableTypeFromArray:supportedTypes]);
if (bestType == nil)
return NSDragOperationNone;
NSDragOperation dragOperation = NSDragOperationNone;
wxDataViewCtrl* const dvc(implementation->GetDataViewCtrl());
wxCHECK_MSG(dvc, false, "Pointer to data view control not set correctly.");
wxCHECK_MSG(dvc->GetModel(), false, "Pointer to model not set correctly.");
wxDataViewEvent
event(wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE,dvc->GetId());
event.SetEventObject(dvc);
event.SetItem(wxDataViewItemFromItem(item));
event.SetModel(dvc->GetModel());
if ([bestType compare:DataViewPboardType] == NSOrderedSame)
{
NSArray* dataArray((NSArray*)[pasteboard propertyListForType:DataViewPboardType]);
NSUInteger indexDraggedItem, noOfDraggedItems([dataArray count]);
indexDraggedItem = 0;
while (indexDraggedItem < noOfDraggedItems)
{
wxDataObjectComposite* dataObjects(implementation->GetDnDDataObjects((NSData*)[dataArray objectAtIndex:indexDraggedItem]));
if (dataObjects && (dataObjects->GetFormatCount() > 0))
{
wxMemoryBuffer buffer;
// copy data into data object:
event.SetDataObject(dataObjects);
event.SetDataFormat(implementation->GetDnDDataFormat(dataObjects));
// copy data into buffer:
dataObjects->GetDataHere(event.GetDataFormat().GetType(),buffer.GetWriteBuf(event.GetDataSize()));
buffer.UngetWriteBuf(event.GetDataSize());
event.SetDataBuffer(buffer.GetData());
// finally, send event:
if (dvc->HandleWindowEvent(event) && event.IsAllowed())
{
dragOperation = NSDragOperationEvery;
++indexDraggedItem;
}
else
{
dragOperation = NSDragOperationNone;
indexDraggedItem = noOfDraggedItems; // stop loop
}
}
else
{
dragOperation = NSDragOperationNone;
indexDraggedItem = noOfDraggedItems; // stop loop
}
// clean-up:
delete dataObjects;
}
}
else
{
// needed to convert internally used UTF-16 representation to a UTF-8
// representation
CFDataRef osxData;
wxDataObjectComposite* dataObjects (new wxDataObjectComposite());
wxTextDataObject* textDataObject(new wxTextDataObject());
osxData = ::CFStringCreateExternalRepresentation(kCFAllocatorDefault,(CFStringRef)[pasteboard stringForType:NSStringPboardType],kCFStringEncodingUTF8,32);
if (textDataObject->SetData(::CFDataGetLength(osxData),::CFDataGetBytePtr(osxData)))
dataObjects->Add(textDataObject);
else
delete textDataObject;
// send event if data could be copied:
if (dataObjects->GetFormatCount() > 0)
{
event.SetDataObject(dataObjects);
event.SetDataFormat(implementation->GetDnDDataFormat(dataObjects));
if (dvc->HandleWindowEvent(event) && event.IsAllowed())
dragOperation = NSDragOperationEvery;
else
dragOperation = NSDragOperationNone;
}
else
dragOperation = NSDragOperationNone;
// clean up:
::CFRelease(osxData);
delete dataObjects;
}
return dragOperation;
}
-(BOOL) outlineView:(NSOutlineView*)outlineView writeItems:(NSArray*)writeItems toPasteboard:(NSPasteboard*)pasteboard
{
wxUnusedVar(outlineView);
// the pasteboard will be filled up with an array containing the data as
// returned by the events (including the data type) and a concatenation of
// text (string) data; the text data will only be put onto the pasteboard
// if for all items a string representation exists
wxDataViewCtrl* const dvc = implementation->GetDataViewCtrl();
wxDataViewItemArray dataViewItems;
wxCHECK_MSG(dvc, false,"Pointer to data view control not set correctly.");
wxCHECK_MSG(dvc->GetModel(),false,"Pointer to model not set correctly.");
if ([writeItems count] > 0)
{
bool dataStringAvailable(true); // a flag indicating if for all items a data string is available
NSMutableArray* dataArray = [NSMutableArray arrayWithCapacity:[writeItems count]]; // data of all items
wxString dataString; // contains the string data of all items
// send a begin drag event for all selected items and proceed with
// dragging unless the event is vetoed:
wxDataViewEvent
event(wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG,dvc->GetId());
event.SetEventObject(dvc);
event.SetModel(dvc->GetModel());
for (size_t itemCounter=0; itemCounter<[writeItems count]; ++itemCounter)
{
bool itemStringAvailable(false); // a flag indicating if for the current item a string is available
wxDataObjectComposite* itemObject(new wxDataObjectComposite()); // data object for current item
wxString itemString; // contains the TAB concatenated data of an item
event.SetItem(
wxDataViewItemFromItem([writeItems objectAtIndex:itemCounter]));
itemString = ::ConcatenateDataViewItemValues(dvc,event.GetItem());
itemObject->Add(new wxTextDataObject(itemString));
event.SetDataObject(itemObject);
// check if event has not been vetoed:
if (dvc->HandleWindowEvent(event) && event.IsAllowed() && (event.GetDataObject()->GetFormatCount() > 0))
{
size_t const noOfFormats = event.GetDataObject()->GetFormatCount();
wxDataFormat* dataFormats(new wxDataFormat[noOfFormats]);
event.GetDataObject()->GetAllFormats(dataFormats,wxDataObject::Get);
for (size_t formatCounter=0; formatCounter<noOfFormats; ++formatCounter)
{
// constant definitions for abbreviational purposes:
wxDataFormatId const idDataFormat = dataFormats[formatCounter].GetType();
size_t const dataSize = event.GetDataObject()->GetDataSize(idDataFormat);
size_t const dataBufferSize = sizeof(wxDataFormatId)+dataSize;
// variable definitions (used in all case statements):
// give additional headroom for trailing NULL
wxMemoryBuffer dataBuffer(dataBufferSize+4);
dataBuffer.AppendData(&idDataFormat,sizeof(wxDataFormatId));
switch (idDataFormat)
{
case wxDF_TEXT:
// otherwise wxDF_UNICODETEXT already filled up
// the string; and the UNICODE representation has
// priority
if (!itemStringAvailable)
{
event.GetDataObject()->GetDataHere(wxDF_TEXT,dataBuffer.GetAppendBuf(dataSize));
dataBuffer.UngetAppendBuf(dataSize);
[dataArray addObject:[NSData dataWithBytes:dataBuffer.GetData() length:dataBufferSize]];
itemString = wxString(static_cast<char const*>(dataBuffer.GetData())+sizeof(wxDataFormatId),wxConvLocal);
itemStringAvailable = true;
}
break;
case wxDF_UNICODETEXT:
{
event.GetDataObject()->GetDataHere(wxDF_UNICODETEXT,dataBuffer.GetAppendBuf(dataSize));
dataBuffer.UngetAppendBuf(dataSize);
if (itemStringAvailable) // does an object already exist as an ASCII text (see wxDF_TEXT case statement)?
[dataArray replaceObjectAtIndex:itemCounter withObject:[NSData dataWithBytes:dataBuffer.GetData() length:dataBufferSize]];
else
[dataArray addObject:[NSData dataWithBytes:dataBuffer.GetData() length:dataBufferSize]];
itemString = wxString::FromUTF8(static_cast<char const*>(dataBuffer.GetData())+sizeof(wxDataFormatId),dataSize);
itemStringAvailable = true;
} /* block */
break;
default:
wxFAIL_MSG("Data object has invalid or unsupported data format");
return NO;
}
}
delete[] dataFormats;
delete itemObject;
if (dataStringAvailable)
if (itemStringAvailable)
{
if (itemCounter > 0)
dataString << wxT('\n');
dataString << itemString;
}
else
dataStringAvailable = false;
}
else
{
delete itemObject;
return NO; // dragging was vetoed or no data available
}
}
if (dataStringAvailable)
{
wxCFStringRef osxString(dataString);
[pasteboard declareTypes:[NSArray arrayWithObjects:DataViewPboardType,NSStringPboardType,nil] owner:nil];
[pasteboard setPropertyList:dataArray forType:DataViewPboardType];
[pasteboard setString:osxString.AsNSString() forType:NSStringPboardType];
}
else
{
[pasteboard declareTypes:[NSArray arrayWithObject:DataViewPboardType] owner:nil];
[pasteboard setPropertyList:dataArray forType:DataViewPboardType];
}
return YES;
}
else
return NO; // no items to drag (should never occur)
}
//
// buffer handling
//
-(void) addToBuffer:(wxPointerObject*)item
{
[items addObject:item];
}
-(void) clearBuffer
{
[items removeAllObjects];
}
-(wxPointerObject*) getDataViewItemFromBuffer:(const wxDataViewItem&)item
{
return [items member:[[[wxPointerObject alloc] initWithPointer:item.GetID()] autorelease]];
}
-(wxPointerObject*) getItemFromBuffer:(wxPointerObject*)item
{
return [items member:item];
}
-(BOOL) isInBuffer:(wxPointerObject*)item
{
return [items containsObject:item];
}
-(void) removeFromBuffer:(wxPointerObject*)item
{
[items removeObject:item];
}
//
// children handling
//
-(void) appendChild:(wxPointerObject*)item
{
[children addObject:item];
}
-(void) clearChildren
{
[children removeAllObjects];
}
-(wxPointerObject*) getChild:(NSUInteger)index
{
return [children objectAtIndex:index];
}
-(NSUInteger) getChildCount
{
return [children count];
}
-(void) removeChild:(NSUInteger)index
{
[children removeObjectAtIndex:index];
}
//
// buffer handling
//
-(void) clearBuffers
{
[self clearBuffer];
[self clearChildren];
[self setCurrentParentItem:nil];
}
//
// sorting
//
-(NSArray*) sortDescriptors
{
return sortDescriptors;
}
-(void) setSortDescriptors:(NSArray*)newSortDescriptors
{
[newSortDescriptors retain];
[sortDescriptors release];
sortDescriptors = newSortDescriptors;
}
//
// access to wxWidget's implementation
//
-(wxPointerObject*) currentParentItem
{
return currentParentItem;
}
-(wxCocoaDataViewControl*) implementation
{
return implementation;
}
-(wxDataViewModel*) model
{
return model;
}
-(void) setCurrentParentItem:(wxPointerObject*)newCurrentParentItem
{
[newCurrentParentItem retain];
[currentParentItem release];
currentParentItem = newCurrentParentItem;
}
-(void) setImplementation:(wxCocoaDataViewControl*) newImplementation
{
implementation = newImplementation;
}
-(void) setModel:(wxDataViewModel*) newModel
{
model = newModel;
}
//
// other methods
//
-(void) bufferItem:(wxPointerObject*)parentItem withChildren:(wxDataViewItemArray*)dataViewChildrenPtr
{
NSInteger const noOfChildren = (*dataViewChildrenPtr).GetCount();
[self setCurrentParentItem:parentItem];
[self clearChildren];
for (NSInteger indexChild=0; indexChild<noOfChildren; ++indexChild)
{
wxPointerObject* bufferedPointerObject;
wxPointerObject* newPointerObject([[wxPointerObject alloc] initWithPointer:(*dataViewChildrenPtr)[indexChild].GetID()]);
// The next statement and test looks strange but there is
// unfortunately no workaround: due to the fact that two pointer
// objects are identical if their pointers are identical - because the
// method isEqual has been overloaded - the set operation will only
// add a new pointer object if there is not already one in the set
// having the same pointer. On the other side the children's array
// would always add the new pointer object. This means that different
// pointer objects are stored in the set and array. This will finally
// lead to a crash as objects diverge. To solve this issue it is first
// tested if the child already exists in the set and if it is the case
// the sets object is going to be appended to the array, otheriwse the
// new pointer object is added to the set and array:
bufferedPointerObject = [self getItemFromBuffer:newPointerObject];
if (bufferedPointerObject == nil)
{
[items addObject:newPointerObject];
[children addObject:newPointerObject];
}
else
[children addObject:bufferedPointerObject];
[newPointerObject release];
}
}
@end
// ============================================================================
// wxCustomCell
// ============================================================================
@implementation wxCustomCell
#if 0 // starting implementation for custom cell clicks
- (id)init
{
self = [super init];
[self setAction:@selector(clickedAction)];
[self setTarget:self];
return self;
}
- (void) clickedAction: (id) sender
{
wxUnusedVar(sender);
}
#endif
-(NSSize) cellSize
{
wxCustomRendererObject * const
obj = static_cast<wxCustomRendererObject *>([self objectValue]);
const wxSize size = obj->customRenderer->GetSize();
return NSMakeSize(size.x, size.y);
}
//
// implementations
//
-(void) drawWithFrame:(NSRect)cellFrame inView:(NSView*)controlView
{
wxCustomRendererObject * const
obj = static_cast<wxCustomRendererObject *>([self objectValue]);
if ( !obj )
{
// this may happen for the custom cells in container rows: they don't
// have any values
return;
}
wxDataViewCustomRenderer * const renderer = obj->customRenderer;
// if this method is called everything is already setup correctly,
CGContextRef context = (CGContextRef) [[NSGraphicsContext currentContext] graphicsPort];
CGContextSaveGState( context );
if ( ![controlView isFlipped] )
{
CGContextTranslateCTM( context, 0, [controlView bounds].size.height );
CGContextScaleCTM( context, 1, -1 );
}
wxGCDC dc;
wxGraphicsContext* gc = wxGraphicsContext::CreateFromNative(context);
dc.SetGraphicsContext(gc);
int state = 0;
if ( [self isHighlighted] )
state |= wxDATAVIEW_CELL_SELECTED;
renderer->WXCallRender(wxFromNSRect(controlView, cellFrame), &dc, state);
CGContextRestoreGState( context );
}
-(NSRect) imageRectForBounds:(NSRect)cellFrame
{
return cellFrame;
}
-(NSRect) titleRectForBounds:(NSRect)cellFrame
{
return cellFrame;
}
@end
// ============================================================================
// wxImageTextCell
// ============================================================================
@implementation wxImageTextCell
//
// initialization
//
-(id) init
{
self = [super init];
if (self != nil)
{
// initializing the text part:
[self setSelectable:YES];
// initializing the image part:
image = nil;
imageSize = NSMakeSize(16,16);
spaceImageText = 5.0;
xImageShift = 5.0;
}
return self;
}
-(id) copyWithZone:(NSZone*)zone
{
wxImageTextCell* cell;
cell = (wxImageTextCell*) [super copyWithZone:zone];
cell->image = [image retain];
cell->imageSize = imageSize;
cell->spaceImageText = spaceImageText;
cell->xImageShift = xImageShift;
return cell;
}
-(void) dealloc
{
[image release];
[super dealloc];
}
//
// alignment
//
-(NSTextAlignment) alignment
{
return cellAlignment;
}
-(void) setAlignment:(NSTextAlignment)newAlignment
{
cellAlignment = newAlignment;
switch (newAlignment)
{
case NSCenterTextAlignment:
case NSLeftTextAlignment:
case NSJustifiedTextAlignment:
case NSNaturalTextAlignment:
[super setAlignment:NSLeftTextAlignment];
break;
case NSRightTextAlignment:
[super setAlignment:NSRightTextAlignment];
break;
default:
wxFAIL_MSG("Unknown alignment type.");
}
}
//
// image access
//
-(NSImage*) image
{
return image;
}
-(void) setImage:(NSImage*)newImage
{
[newImage retain];
[image release];
image = newImage;
}
-(NSSize) imageSize
{
return imageSize;
}
-(void) setImageSize:(NSSize) newImageSize
{
imageSize = newImageSize;
}
//
// other methods
//
-(NSSize) cellImageSize
{
return NSMakeSize(imageSize.width+xImageShift+spaceImageText,imageSize.height);
}
-(NSSize) cellSize
{
NSSize cellSize([super cellSize]);
if (imageSize.height > cellSize.height)
cellSize.height = imageSize.height;
cellSize.width += imageSize.width+xImageShift+spaceImageText;
return cellSize;
}
-(NSSize) cellTextSize
{
return [super cellSize];
}
//
// implementations
//
-(void) determineCellParts:(NSRect)cellFrame imagePart:(NSRect*)imageFrame textPart:(NSRect*)textFrame
{
switch (cellAlignment)
{
case NSCenterTextAlignment:
{
CGFloat const cellSpace = cellFrame.size.width-[self cellSize].width;
// if the cell's frame is smaller than its contents (at least
// in x-direction) make sure that the image is visible:
if (cellSpace <= 0)
NSDivideRect(cellFrame,imageFrame,textFrame,xImageShift+imageSize.width+spaceImageText,NSMinXEdge);
else // otherwise center the image and text in the cell's frame
NSDivideRect(cellFrame,imageFrame,textFrame,xImageShift+imageSize.width+spaceImageText+0.5*cellSpace,NSMinXEdge);
}
break;
case NSJustifiedTextAlignment:
case NSLeftTextAlignment:
case NSNaturalTextAlignment: // how to determine the natural writing direction? TODO
NSDivideRect(cellFrame,imageFrame,textFrame,xImageShift+imageSize.width+spaceImageText,NSMinXEdge);
break;
case NSRightTextAlignment:
{
CGFloat const cellSpace = cellFrame.size.width-[self cellSize].width;
// if the cell's frame is smaller than its contents (at least
// in x-direction) make sure that the image is visible:
if (cellSpace <= 0)
NSDivideRect(cellFrame,imageFrame,textFrame,xImageShift+imageSize.width+spaceImageText,NSMinXEdge);
else // otherwise right align the image and text in the cell's frame
NSDivideRect(cellFrame,imageFrame,textFrame,xImageShift+imageSize.width+spaceImageText+cellSpace,NSMinXEdge);
}
break;
default:
*imageFrame = NSZeroRect;
*textFrame = NSZeroRect;
wxFAIL_MSG("Unhandled alignment type.");
}
}
-(void) drawWithFrame:(NSRect)cellFrame inView:(NSView*)controlView
{
NSRect textFrame, imageFrame;
[self determineCellParts:cellFrame imagePart:&imageFrame textPart:&textFrame];
// draw the image part by ourselves;
// check if the cell has to draw its own background (checking is done by
// the parameter of the textfield's cell):
if ([self drawsBackground])
{
[[self backgroundColor] set];
NSRectFill(imageFrame);
}
if (image != nil)
{
// the image is slightly shifted (xImageShift) and has a fixed size
// but the image's frame might be larger and starts currently on the
// left side of the cell's frame; therefore, the origin and the
// image's frame size have to be adjusted:
if (imageFrame.size.width >= xImageShift+imageSize.width+spaceImageText)
{
imageFrame.origin.x += imageFrame.size.width-imageSize.width-spaceImageText;
imageFrame.size.width = imageSize.width;
}
else
{
imageFrame.origin.x += xImageShift;
imageFrame.size.width -= xImageShift+spaceImageText;
}
// ...and the image has to be centered in the y-direction:
if (imageFrame.size.height > imageSize.height)
imageFrame.size.height = imageSize.height;
imageFrame.origin.y += ceil(0.5*(cellFrame.size.height-imageFrame.size.height));
// according to the documentation the coordinate system should be
// flipped for NSTableViews (y-coordinate goes from top to bottom); to
// draw an image correctly the coordinate system has to be transformed
// to a bottom-top coordinate system, otherwise the image's
// content is flipped:
NSAffineTransform* coordinateTransform([NSAffineTransform transform]);
if ([controlView isFlipped])
{
[coordinateTransform scaleXBy: 1.0 yBy:-1.0]; // first the coordinate system is brought back to bottom-top orientation
[coordinateTransform translateXBy:0.0 yBy:(-2.0)*imageFrame.origin.y-imageFrame.size.height]; // the coordinate system has to be moved to compensate for the
[coordinateTransform concat]; // other orientation and the position of the image's frame
}
[image drawInRect:imageFrame fromRect:NSZeroRect operation:NSCompositeSourceOver fraction:1.0]; // suggested method to draw the image
// instead of compositeToPoint:operation:
// take back previous transformation (if the view is not flipped the
// coordinate transformation matrix contains the identity matrix and
// the next two operations do not change the content's transformation
// matrix):
[coordinateTransform invert];
[coordinateTransform concat];
}
// let the textfield cell draw the text part:
if (textFrame.size.width > [self cellTextSize].width)
{
// for unknown reasons the alignment of the text cell is ignored;
// therefore change the size so that alignment does not influence the
// visualization anymore
textFrame.size.width = [self cellTextSize].width;
}
[super drawWithFrame:textFrame inView:controlView];
}
-(void) editWithFrame:(NSRect)aRect inView:(NSView*)controlView editor:(NSText*)textObj delegate:(id)anObject event:(NSEvent*)theEvent
{
NSRect textFrame, imageFrame;
[self determineCellParts:aRect imagePart:&imageFrame textPart:&textFrame];
[super editWithFrame:textFrame inView:controlView editor:textObj delegate:anObject event:theEvent];
}
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
-(NSUInteger) hitTestForEvent:(NSEvent*)event inRect:(NSRect)cellFrame ofView:(NSView*)controlView
{
NSPoint point = [controlView convertPoint:[event locationInWindow] fromView:nil];
NSRect imageFrame, textFrame;
[self determineCellParts:cellFrame imagePart:&imageFrame textPart:&textFrame];
if (image != nil)
{
// the image is shifted...
if (imageFrame.size.width >= xImageShift+imageSize.width+spaceImageText)
{
imageFrame.origin.x += imageFrame.size.width-imageSize.width-spaceImageText;
imageFrame.size.width = imageSize.width;
}
else
{
imageFrame.origin.x += xImageShift;
imageFrame.size.width -= xImageShift+spaceImageText;
}
// ...and centered:
if (imageFrame.size.height > imageSize.height)
imageFrame.size.height = imageSize.height;
imageFrame.origin.y += ceil(0.5*(cellFrame.size.height-imageFrame.size.height));
// If the point is in the image rect, then it is a content hit (see
// documentation for hitTestForEvent:inRect:ofView):
if (NSMouseInRect(point, imageFrame, [controlView isFlipped]))
return NSCellHitContentArea;
}
// if the image was not hit let's try the text part:
if (textFrame.size.width > [self cellTextSize].width)
{
// for unknown reasons the alignment of the text cell is ignored;
// therefore change the size so that alignment does not influence the
// visualization anymore
textFrame.size.width = [self cellTextSize].width;
}
return [super hitTestForEvent:event inRect:textFrame ofView:controlView];
}
#endif
-(NSRect) imageRectForBounds:(NSRect)cellFrame
{
NSRect textFrame, imageFrame;
[self determineCellParts:cellFrame imagePart:&imageFrame textPart:&textFrame];
if (imageFrame.size.width >= xImageShift+imageSize.width+spaceImageText)
{
imageFrame.origin.x += imageFrame.size.width-imageSize.width-spaceImageText;
imageFrame.size.width = imageSize.width;
}
else
{
imageFrame.origin.x += xImageShift;
imageFrame.size.width -= xImageShift+spaceImageText;
}
// ...and centered:
if (imageFrame.size.height > imageSize.height)
imageFrame.size.height = imageSize.height;
imageFrame.origin.y += ceil(0.5*(cellFrame.size.height-imageFrame.size.height));
return imageFrame;
}
-(void) selectWithFrame:(NSRect)aRect inView:(NSView*)controlView editor:(NSText*)textObj delegate:(id)anObject start:(NSInteger)selStart length:(NSInteger)selLength
{
NSRect textFrame, imageFrame;
[self determineCellParts:aRect imagePart:&imageFrame textPart:&textFrame];
[super selectWithFrame:textFrame inView:controlView editor:textObj delegate:anObject start:selStart length:selLength];
}
-(NSRect) titleRectForBounds:(NSRect)cellFrame
{
NSRect textFrame, imageFrame;
[self determineCellParts:cellFrame imagePart:&imageFrame textPart:&textFrame];
return textFrame;
}
@end
// ============================================================================
// wxCocoaOutlineView
// ============================================================================
@implementation wxCocoaOutlineView
//
// initializers / destructor
//
-(id) init
{
self = [super init];
if (self != nil)
{
currentlyEditedColumn =
currentlyEditedRow = -1;
[self registerForDraggedTypes:[NSArray arrayWithObjects:DataViewPboardType,NSStringPboardType,nil]];
[self setDelegate:self];
[self setDoubleAction:@selector(actionDoubleClick:)];
[self setDraggingSourceOperationMask:NSDragOperationEvery forLocal:NO];
[self setDraggingSourceOperationMask:NSDragOperationEvery forLocal:YES];
[self setTarget:self];
}
return self;
}
//
// access to wxWidget's implementation
//
-(wxCocoaDataViewControl*) implementation
{
return implementation;
}
-(void) setImplementation:(wxCocoaDataViewControl*) newImplementation
{
implementation = newImplementation;
}
//
// actions
//
-(void) actionDoubleClick:(id)sender
{
wxUnusedVar(sender);
// actually the documentation (NSTableView 2007-10-31) for doubleAction:
// and setDoubleAction: seems to be wrong as this action message is always
// sent whether the cell is editable or not
wxDataViewCtrl* const dvc = implementation->GetDataViewCtrl();
wxDataViewEvent event(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED,dvc->GetId());
event.SetEventObject(dvc);
event.SetItem(wxDataViewItemFromItem([self itemAtRow:[self clickedRow]]));
dvc->GetEventHandler()->ProcessEvent(event);
}
//
// contextual menus
//
-(NSMenu*) menuForEvent:(NSEvent*)theEvent
{
wxUnusedVar(theEvent);
// this method does not do any special menu event handling but only sends
// an event message; therefore, the user has full control if a context
// menu should be shown or not
wxDataViewCtrl* const dvc = implementation->GetDataViewCtrl();
wxDataViewEvent event(wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU,dvc->GetId());
wxDataViewItemArray selectedItems;
event.SetEventObject(dvc);
event.SetModel(dvc->GetModel());
// get the item information;
// theoretically more than one ID can be returned but the event can only
// handle one item, therefore only the first item of the array is
// returned:
if (dvc->GetSelections(selectedItems) > 0)
event.SetItem(selectedItems[0]);
dvc->GetEventHandler()->ProcessEvent(event);
// nothing is done:
return nil;
}
//
// delegate methods
//
-(void) outlineView:(NSOutlineView*)outlineView mouseDownInHeaderOfTableColumn:(NSTableColumn*)tableColumn
{
wxDataViewColumn* const
col([static_cast<wxDVCNSTableColumn*>(tableColumn) getColumnPointer]);
wxDataViewCtrl* const dvc = implementation->GetDataViewCtrl();
wxDataViewEvent
event(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK,dvc->GetId());
// first, send an event that the user clicked into a column's header:
event.SetEventObject(dvc);
event.SetColumn(dvc->GetColumnPosition(col));
event.SetDataViewColumn(col);
dvc->HandleWindowEvent(event);
// now, check if the click may have had an influence on sorting, too;
// the sorting setup has to be done only if the clicked table column is
// sortable and has not been used for sorting before the click; if the
// column is already responsible for sorting the native control changes
// the sorting direction automatically and informs the data source via
// outlineView:sortDescriptorsDidChange:
if (col->IsSortable() && ([tableColumn sortDescriptorPrototype] == nil))
{
// remove the sort order from the previously sorted column table (it
// can also be that no sorted column table exists):
UInt32 const noOfColumns = [outlineView numberOfColumns];
for (UInt32 i=0; i<noOfColumns; ++i)
[[[outlineView tableColumns] objectAtIndex:i] setSortDescriptorPrototype:nil];
// make column table sortable:
NSArray* sortDescriptors;
NSSortDescriptor* sortDescriptor;
sortDescriptor = [[NSSortDescriptor alloc] initWithKey:[NSString stringWithFormat:@"%d",[outlineView columnWithIdentifier:[tableColumn identifier]]]
ascending:YES];
sortDescriptors = [NSArray arrayWithObject:sortDescriptor];
[tableColumn setSortDescriptorPrototype:sortDescriptor];
[outlineView setSortDescriptors:sortDescriptors];
[sortDescriptor release];
}
}
-(BOOL) outlineView:(NSOutlineView*)outlineView shouldCollapseItem:(id)item
{
wxUnusedVar(outlineView);
wxDataViewCtrl* const dvc = implementation->GetDataViewCtrl();
wxDataViewEvent event(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,dvc->GetId());
event.SetEventObject(dvc);
event.SetItem (wxDataViewItemFromItem(item));
event.SetModel (dvc->GetModel());
// finally send the equivalent wxWidget event:
dvc->GetEventHandler()->ProcessEvent(event);
// opening the container is allowed if not vetoed:
return event.IsAllowed();
}
-(BOOL) outlineView:(NSOutlineView*)outlineView shouldExpandItem:(id)item
{
wxUnusedVar(outlineView);
wxDataViewCtrl* const dvc = implementation->GetDataViewCtrl();
wxDataViewEvent event(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING,dvc->GetId());
event.SetEventObject(dvc);
event.SetItem (wxDataViewItemFromItem(item));
event.SetModel (dvc->GetModel());
// finally send the equivalent wxWidget event:
dvc->GetEventHandler()->ProcessEvent(event);
// opening the container is allowed if not vetoed:
return event.IsAllowed();
}
-(BOOL) outlineView:(NSOutlineView*)outlineView shouldSelectTableColumn:(NSTableColumn*)tableColumn
{
wxUnusedVar(tableColumn);
wxUnusedVar(outlineView);
return NO;
}
-(void) outlineView:(wxCocoaOutlineView*)outlineView
willDisplayCell:(id)cell
forTableColumn:(NSTableColumn*)tableColumn
item:(id)item
{
wxUnusedVar(outlineView);
wxDataViewCtrl * const dvc = implementation->GetDataViewCtrl();
wxDataViewModel * const model = dvc->GetModel();
wxDataViewColumn* const
dvCol([static_cast<wxDVCNSTableColumn*>(tableColumn) getColumnPointer]);
const unsigned colIdx = dvCol->GetModelColumn();
wxDataViewItem dvItem(wxDataViewItemFromItem(item));
if ( !model->HasValue(dvItem, colIdx) )
return;
wxDataViewRenderer * const renderer = dvCol->GetRenderer();
wxDataViewRendererNativeData * const data = renderer->GetNativeData();
// let the renderer know about what it's going to render next
data->SetColumnPtr(tableColumn);
data->SetItem(item);
data->SetItemCell(cell);
// use the attributes: notice that we need to do this whether we have them
// or not as even if this cell doesn't have any attributes, the previous
// one might have had some and then we need to reset them back to default
wxDataViewItemAttr attr;
model->GetAttr(dvItem, colIdx, attr);
renderer->OSXApplyAttr(attr);
// set the state (enabled/disabled) of the item
renderer->OSXApplyEnabled(model->IsEnabled(dvItem, colIdx));
// and finally do draw it
renderer->MacRender();
}
//
// notifications
//
-(void) outlineViewColumnDidMove:(NSNotification*)notification
{
int const newColumnPosition = [[[notification userInfo] objectForKey:@"NSNewColumn"] intValue];
NSTableColumn*
tableColumn = [[self tableColumns] objectAtIndex:newColumnPosition];
wxDataViewColumn* const
col([static_cast<wxDVCNSTableColumn*>(tableColumn) getColumnPointer]);
wxDataViewCtrl* const dvc = implementation->GetDataViewCtrl();
wxDataViewEvent event(wxEVT_COMMAND_DATAVIEW_COLUMN_REORDERED,dvc->GetId());
event.SetEventObject(dvc);
event.SetColumn(dvc->GetColumnPosition(col));
event.SetDataViewColumn(col);
dvc->GetEventHandler()->ProcessEvent(event);
}
-(void) outlineViewItemDidCollapse:(NSNotification*)notification
{
wxDataViewCtrl* const dvc = implementation->GetDataViewCtrl();
wxDataViewEvent event(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,dvc->GetId());
event.SetEventObject(dvc);
event.SetItem(wxDataViewItemFromItem(
[[notification userInfo] objectForKey:@"NSObject"]));
dvc->GetEventHandler()->ProcessEvent(event);
}
-(void) outlineViewItemDidExpand:(NSNotification*)notification
{
wxDataViewCtrl* const dvc = implementation->GetDataViewCtrl();
wxDataViewEvent event(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,dvc->GetId());
event.SetEventObject(dvc);
event.SetItem(wxDataViewItemFromItem(
[[notification userInfo] objectForKey:@"NSObject"]));
dvc->GetEventHandler()->ProcessEvent(event);
}
-(void) outlineViewSelectionDidChange:(NSNotification*)notification
{
wxUnusedVar(notification);
wxDataViewCtrl* const dvc = implementation->GetDataViewCtrl();
wxDataViewEvent event(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED,dvc->GetId());
event.SetEventObject(dvc);
event.SetModel(dvc->GetModel());
event.SetItem(dvc->GetSelection());
dvc->GetEventHandler()->ProcessEvent(event);
}
-(void) textDidBeginEditing:(NSNotification*)notification
{
// this notification is only sent if the user started modifying the cell
// (not when the user clicked into the cell and the cell's editor is
// called!)
// call method of superclass (otherwise editing does not work correctly -
// the outline data source class is not informed about a change of data):
[super textDidBeginEditing:notification];
// remember the column being edited, it will be used in textDidEndEditing:
currentlyEditedColumn = [self editedColumn];
currentlyEditedRow = [self editedRow];
NSTableColumn*
tableColumn = [[self tableColumns] objectAtIndex:currentlyEditedColumn];
wxDataViewColumn* const
col([static_cast<wxDVCNSTableColumn*>(tableColumn) getColumnPointer]);
wxDataViewCtrl* const dvc = implementation->GetDataViewCtrl();
// stop editing of a custom item first (if necessary)
dvc->FinishCustomItemEditing();
// now, send the event:
wxDataViewEvent
event(wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_STARTED,dvc->GetId());
event.SetEventObject(dvc);
event.SetItem(
wxDataViewItemFromItem([self itemAtRow:currentlyEditedRow]));
event.SetColumn(dvc->GetColumnPosition(col));
event.SetDataViewColumn(col);
dvc->GetEventHandler()->ProcessEvent(event);
}
-(void) textDidEndEditing:(NSNotification*)notification
{
// call method of superclass (otherwise editing does not work correctly -
// the outline data source class is not informed about a change of data):
[super textDidEndEditing:notification];
// under OSX an event indicating the end of an editing session can be sent
// even if no event indicating a start of an editing session has been sent
// (see Documentation for NSControl controlTextDidEndEditing:); this is
// not expected by a user of the wxWidgets library and therefore an
// wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_DONE event is only sent if a
// corresponding wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_STARTED has been sent
// before; to check if a wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_STARTED has
// been sent the last edited column/row are valid:
if ( currentlyEditedColumn != -1 && currentlyEditedRow != -1 )
{
NSTableColumn*
tableColumn = [[self tableColumns] objectAtIndex:currentlyEditedColumn];
wxDataViewColumn* const
col([static_cast<wxDVCNSTableColumn*>(tableColumn) getColumnPointer]);
wxDataViewCtrl* const dvc = implementation->GetDataViewCtrl();
// send event to wxWidgets:
wxDataViewEvent
event(wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_DONE,dvc->GetId());
event.SetEventObject(dvc);
event.SetItem(
wxDataViewItemFromItem([self itemAtRow:currentlyEditedRow]));
event.SetColumn(dvc->GetColumnPosition(col));
event.SetDataViewColumn(col);
dvc->GetEventHandler()->ProcessEvent(event);
// we're not editing any more
currentlyEditedColumn =
currentlyEditedRow = -1;
}
}
@end
// ============================================================================
// wxCocoaDataViewControl
// ============================================================================
wxCocoaDataViewControl::wxCocoaDataViewControl(wxWindow* peer,
const wxPoint& pos,
const wxSize& size,
long style)
: wxWidgetCocoaImpl
(
peer,
[[NSScrollView alloc] initWithFrame:wxOSXGetFrameForControl(peer,pos,size)]
),
m_DataSource(NULL),
m_OutlineView([[wxCocoaOutlineView alloc] init])
{
// initialize scrollview (the outline view is part of a scrollview):
NSScrollView* scrollview = (NSScrollView*) GetWXWidget();
[scrollview setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];
[scrollview setBorderType:NSNoBorder];
[scrollview setHasVerticalScroller:YES];
[scrollview setHasHorizontalScroller:YES];
[scrollview setAutohidesScrollers:YES];
[scrollview setDocumentView:m_OutlineView];
// initialize the native control itself too
InitOutlineView(style);
}
void wxCocoaDataViewControl::InitOutlineView(long style)
{
[m_OutlineView setImplementation:this];
[m_OutlineView setColumnAutoresizingStyle:NSTableViewSequentialColumnAutoresizingStyle];
[m_OutlineView setIndentationPerLevel:GetDataViewCtrl()->GetIndent()];
NSUInteger maskGridStyle(NSTableViewGridNone);
if (style & wxDV_HORIZ_RULES)
maskGridStyle |= NSTableViewSolidHorizontalGridLineMask;
if (style & wxDV_VERT_RULES)
maskGridStyle |= NSTableViewSolidVerticalGridLineMask;
[m_OutlineView setGridStyleMask:maskGridStyle];
[m_OutlineView setAllowsMultipleSelection: (style & wxDV_MULTIPLE) != 0];
[m_OutlineView setUsesAlternatingRowBackgroundColors:(style & wxDV_ROW_LINES) != 0];
if ( style & wxDV_NO_HEADER )
[m_OutlineView setHeaderView:nil];
}
wxCocoaDataViewControl::~wxCocoaDataViewControl()
{
[m_DataSource release];
[m_OutlineView release];
}
//
// column related methods (inherited from wxDataViewWidgetImpl)
//
bool wxCocoaDataViewControl::ClearColumns()
{
// as there is a bug in NSOutlineView version (OSX 10.5.6 #6555162) the
// columns cannot be deleted if there is an outline column in the view;
// therefore, the whole view is deleted and newly constructed:
[m_OutlineView release];
m_OutlineView = [[wxCocoaOutlineView alloc] init];
[((NSScrollView*) GetWXWidget()) setDocumentView:m_OutlineView];
[m_OutlineView setDataSource:m_DataSource];
InitOutlineView(GetDataViewCtrl()->GetWindowStyle());
return true;
}
bool wxCocoaDataViewControl::DeleteColumn(wxDataViewColumn* columnPtr)
{
if ([m_OutlineView outlineTableColumn] == columnPtr->GetNativeData()->GetNativeColumnPtr())
[m_OutlineView setOutlineTableColumn:nil]; // due to a bug this does not work
[m_OutlineView removeTableColumn:columnPtr->GetNativeData()->GetNativeColumnPtr()]; // due to a confirmed bug #6555162 the deletion does not work for
// outline table columns (... and there is no workaround)
return (([m_OutlineView columnWithIdentifier:[wxDVCNSTableColumn identifierForColumnPointer:columnPtr]]) == -1);
}
void wxCocoaDataViewControl::DoSetExpanderColumn(const wxDataViewColumn *columnPtr)
{
[m_OutlineView setOutlineTableColumn:columnPtr->GetNativeData()->GetNativeColumnPtr()];
}
wxDataViewColumn* wxCocoaDataViewControl::GetColumn(unsigned int pos) const
{
NSTableColumn* tableColumn = [[m_OutlineView tableColumns] objectAtIndex:pos];
return [static_cast<wxDVCNSTableColumn*>(tableColumn) getColumnPointer];
}
int wxCocoaDataViewControl::GetColumnPosition(const wxDataViewColumn *columnPtr) const
{
return [m_OutlineView columnWithIdentifier:[wxDVCNSTableColumn identifierForColumnPointer:columnPtr]];
}
bool wxCocoaDataViewControl::InsertColumn(unsigned int pos, wxDataViewColumn* columnPtr)
{
// create column and set the native data of the dataview column:
NSTableColumn *nativeColumn = ::CreateNativeColumn(columnPtr);
columnPtr->GetNativeData()->SetNativeColumnPtr(nativeColumn);
// as the native control does not allow the insertion of a column at a
// specified position the column is first appended and - if necessary -
// moved to its final position:
[m_OutlineView addTableColumn:nativeColumn];
if (pos != static_cast<unsigned int>([m_OutlineView numberOfColumns]-1))
[m_OutlineView moveColumn:[m_OutlineView numberOfColumns]-1 toColumn:pos];
// set columns width now that it can be computed even for autosized columns:
columnPtr->SetWidth(columnPtr->GetWidthVariable());
// done:
return true;
}
void wxCocoaDataViewControl::FitColumnWidthToContent(unsigned int pos)
{
#if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5
const int count = GetCount();
NSTableColumn *column = GetColumn(pos)->GetNativeData()->GetNativeColumnPtr();
class MaxWidthCalculator
{
public:
MaxWidthCalculator(wxCocoaOutlineView *view,
NSTableColumn *column, unsigned columnIndex)
: m_width(0),
m_view(view),
m_column(columnIndex),
m_indent(0)
{
// account for indentation in the column with expander
if ( column == [m_view outlineTableColumn] )
m_indent = [m_view indentationPerLevel];
}
void UpdateWithWidth(int width)
{
m_width = wxMax(m_width, width);
}
void UpdateWithRow(int row)
{
NSCell *cell = [m_view preparedCellAtColumn:m_column row:row];
unsigned cellWidth = [cell cellSize].width + 1/*round the float up*/;
if ( m_indent )
cellWidth += m_indent * ([m_view levelForRow:row] + 1);
m_width = wxMax(m_width, cellWidth);
}
int GetMaxWidth() const { return m_width; }
private:
int m_width;
wxCocoaOutlineView *m_view;
unsigned m_column;
int m_indent;
};
MaxWidthCalculator calculator(m_OutlineView, column, pos);
if ( [column headerCell] )
{
calculator.UpdateWithWidth([[column headerCell] cellSize].width + 1/*round the float up*/);
}
// The code below deserves some explanation. For very large controls, we
// simply can't afford to calculate sizes for all items, it takes too
// long. So the best we can do is to check the first and the last N/2
// items in the control for some sufficiently large N and calculate best
// sizes from that. That can result in the calculated best width being too
// small for some outliers, but it's better to get slightly imperfect
// result than to wait several seconds after every update. To avoid highly
// visible miscalculations, we also include all currently visible items
// no matter what. Finally, the value of N is determined dynamically by
// measuring how much time we spent on the determining item widths so far.
#if wxUSE_STOPWATCH
int top_part_end = count;
static const long CALC_TIMEOUT = 20/*ms*/;
// don't call wxStopWatch::Time() too often
static const unsigned CALC_CHECK_FREQ = 100;
wxStopWatch timer;
#else
// use some hard-coded limit, that's the best we can do without timer
int top_part_end = wxMin(500, count);
#endif // wxUSE_STOPWATCH/!wxUSE_STOPWATCH
int row = 0;
for ( row = 0; row < top_part_end; row++ )
{
#if wxUSE_STOPWATCH
if ( row % CALC_CHECK_FREQ == CALC_CHECK_FREQ-1 &&
timer.Time() > CALC_TIMEOUT )
break;
#endif // wxUSE_STOPWATCH
calculator.UpdateWithRow(row);
}
// row is the first unmeasured item now; that's our value of N/2
if ( row < count )
{
top_part_end = row;
// add bottom N/2 items now:
const int bottom_part_start = wxMax(row, count - row);
for ( row = bottom_part_start; row < count; row++ )
calculator.UpdateWithRow(row);
// finally, include currently visible items in the calculation:
const NSRange visible = [m_OutlineView rowsInRect:[m_OutlineView visibleRect]];
const int first_visible = wxMax(visible.location, top_part_end);
const int last_visible = wxMin(first_visible + visible.length, bottom_part_start);
for ( row = first_visible; row < last_visible; row++ )
calculator.UpdateWithRow(row);
wxLogTrace("dataview",
"determined best size from %d top, %d bottom plus %d more visible items out of %d total",
top_part_end,
count - bottom_part_start,
wxMax(0, last_visible - first_visible),
count);
}
[column setWidth:calculator.GetMaxWidth()];
#endif // MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5
}
//
// item related methods (inherited from wxDataViewWidgetImpl)
//
bool wxCocoaDataViewControl::Add(const wxDataViewItem& parent, const wxDataViewItem& WXUNUSED(item))
{
if (parent.IsOk())
[m_OutlineView reloadItem:[m_DataSource getDataViewItemFromBuffer:parent] reloadChildren:YES];
else
[m_OutlineView reloadData];
return true;
}
bool wxCocoaDataViewControl::Add(const wxDataViewItem& parent, const wxDataViewItemArray& WXUNUSED(items))
{
if (parent.IsOk())
[m_OutlineView reloadItem:[m_DataSource getDataViewItemFromBuffer:parent] reloadChildren:YES];
else
[m_OutlineView reloadData];
return true;
}
void wxCocoaDataViewControl::Collapse(const wxDataViewItem& item)
{
[m_OutlineView collapseItem:[m_DataSource getDataViewItemFromBuffer:item]];
}
void wxCocoaDataViewControl::EnsureVisible(const wxDataViewItem& item, const wxDataViewColumn *columnPtr)
{
if (item.IsOk())
{
[m_OutlineView scrollRowToVisible:[m_OutlineView rowForItem:[m_DataSource getDataViewItemFromBuffer:item]]];
if (columnPtr)
[m_OutlineView scrollColumnToVisible:GetColumnPosition(columnPtr)];
}
}
void wxCocoaDataViewControl::Expand(const wxDataViewItem& item)
{
[m_OutlineView expandItem:[m_DataSource getDataViewItemFromBuffer:item]];
}
unsigned int wxCocoaDataViewControl::GetCount() const
{
return [m_OutlineView numberOfRows];
}
wxRect wxCocoaDataViewControl::GetRectangle(const wxDataViewItem& item, const wxDataViewColumn *columnPtr)
{
return wxFromNSRect([m_osxView superview],[m_OutlineView frameOfCellAtColumn:GetColumnPosition(columnPtr)
row:[m_OutlineView rowForItem:[m_DataSource getDataViewItemFromBuffer:item]]]);
}
bool wxCocoaDataViewControl::IsExpanded(const wxDataViewItem& item) const
{
return [m_OutlineView isItemExpanded:[m_DataSource getDataViewItemFromBuffer:item]];
}
bool wxCocoaDataViewControl::Reload()
{
[m_DataSource clearBuffers];
[m_OutlineView reloadData];
[m_OutlineView scrollColumnToVisible:0];
[m_OutlineView scrollRowToVisible:0];
return true;
}
bool wxCocoaDataViewControl::Remove(const wxDataViewItem& parent, const wxDataViewItem& WXUNUSED(item))
{
if (parent.IsOk())
[m_OutlineView reloadItem:[m_DataSource getDataViewItemFromBuffer:parent] reloadChildren:YES];
else
[m_OutlineView reloadData];
return true;
}
bool wxCocoaDataViewControl::Remove(const wxDataViewItem& parent, const wxDataViewItemArray& WXUNUSED(item))
{
if (parent.IsOk())
[m_OutlineView reloadItem:[m_DataSource getDataViewItemFromBuffer:parent] reloadChildren:YES];
else
[m_OutlineView reloadData];
return true;
}
bool wxCocoaDataViewControl::Update(const wxDataViewColumn *columnPtr)
{
wxUnusedVar(columnPtr);
return false;
}
bool wxCocoaDataViewControl::Update(const wxDataViewItem& WXUNUSED(parent), const wxDataViewItem& item)
{
[m_OutlineView reloadItem:[m_DataSource getDataViewItemFromBuffer:item]];
return true;
}
bool wxCocoaDataViewControl::Update(const wxDataViewItem& WXUNUSED(parent), const wxDataViewItemArray& items)
{
for (size_t i=0; i<items.GetCount(); ++i)
[m_OutlineView reloadItem:[m_DataSource getDataViewItemFromBuffer:items[i]]];
return true;
}
//
// model related methods
//
bool wxCocoaDataViewControl::AssociateModel(wxDataViewModel* model)
{
[m_DataSource release];
if (model)
{
m_DataSource = [[wxCocoaOutlineDataSource alloc] init];
[m_DataSource setImplementation:this];
[m_DataSource setModel:model];
}
else
m_DataSource = NULL;
[m_OutlineView setDataSource:m_DataSource]; // if there is a data source the data is immediately going to be requested
return true;
}
//
// selection related methods (inherited from wxDataViewWidgetImpl)
//
wxDataViewItem wxCocoaDataViewControl::GetCurrentItem() const
{
return wxDataViewItem([[m_OutlineView itemAtRow:[m_OutlineView selectedRow]] pointer]);
}
wxDataViewColumn *wxCocoaDataViewControl::GetCurrentColumn() const
{
int col = [m_OutlineView selectedColumn];
if ( col == -1 )
return NULL;
return GetColumn(col);
}
void wxCocoaDataViewControl::SetCurrentItem(const wxDataViewItem& item)
{
// We can't have unselected current item in a NSTableView, as the
// documentation of its deselectRow method explains, the control will
// automatically change the current item to the closest still selected item
// if the current item is deselected. So we have no choice but to select
// the item in the same time as making it current.
Select(item);
}
int wxCocoaDataViewControl::GetSelectedItemsCount() const
{
return [m_OutlineView numberOfSelectedRows];
}
int wxCocoaDataViewControl::GetSelections(wxDataViewItemArray& sel) const
{
NSIndexSet* selectedRowIndexes([m_OutlineView selectedRowIndexes]);
NSUInteger indexRow;
sel.Empty();
sel.Alloc([selectedRowIndexes count]);
indexRow = [selectedRowIndexes firstIndex];
while (indexRow != NSNotFound)
{
sel.Add(wxDataViewItem([[m_OutlineView itemAtRow:indexRow] pointer]));
indexRow = [selectedRowIndexes indexGreaterThanIndex:indexRow];
}
return sel.GetCount();
}
bool wxCocoaDataViewControl::IsSelected(const wxDataViewItem& item) const
{
return [m_OutlineView isRowSelected:[m_OutlineView rowForItem:[m_DataSource getDataViewItemFromBuffer:item]]];
}
void wxCocoaDataViewControl::Select(const wxDataViewItem& item)
{
if (item.IsOk())
[m_OutlineView selectRowIndexes:[NSIndexSet indexSetWithIndex:[m_OutlineView rowForItem:[m_DataSource getDataViewItemFromBuffer:item]]]
byExtendingSelection:GetDataViewCtrl()->HasFlag(wxDV_MULTIPLE) ? YES : NO];
}
void wxCocoaDataViewControl::SelectAll()
{
[m_OutlineView selectAll:m_OutlineView];
}
void wxCocoaDataViewControl::Unselect(const wxDataViewItem& item)
{
if (item.IsOk())
[m_OutlineView deselectRow:[m_OutlineView rowForItem:[m_DataSource getDataViewItemFromBuffer:item]]];
}
void wxCocoaDataViewControl::UnselectAll()
{
[m_OutlineView deselectAll:m_OutlineView];
}
//
// sorting related methods
//
wxDataViewColumn* wxCocoaDataViewControl::GetSortingColumn() const
{
NSArray* const columns = [m_OutlineView tableColumns];
UInt32 const noOfColumns = [columns count];
for (UInt32 i=0; i<noOfColumns; ++i)
if ([[columns objectAtIndex:i] sortDescriptorPrototype] != nil)
return GetColumn(i);
return NULL;
}
void wxCocoaDataViewControl::Resort()
{
[m_DataSource clearChildren];
[m_OutlineView reloadData];
}
void wxCocoaDataViewControl::StartEditor( const wxDataViewItem & item, unsigned int column )
{
[m_OutlineView editColumn:column row:[m_OutlineView rowForItem:[m_DataSource getDataViewItemFromBuffer:item]] withEvent:nil select:YES];
}
//
// other methods (inherited from wxDataViewWidgetImpl)
//
void wxCocoaDataViewControl::DoSetIndent(int indent)
{
[m_OutlineView setIndentationPerLevel:static_cast<CGFloat>(indent)];
}
void wxCocoaDataViewControl::HitTest(const wxPoint& point, wxDataViewItem& item, wxDataViewColumn*& columnPtr) const
{
NSPoint const nativePoint = wxToNSPoint((NSScrollView*) GetWXWidget(),point);
int indexColumn;
int indexRow;
indexColumn = [m_OutlineView columnAtPoint:nativePoint];
indexRow = [m_OutlineView rowAtPoint: nativePoint];
if ((indexColumn >= 0) && (indexRow >= 0))
{
columnPtr = GetColumn(indexColumn);
item = wxDataViewItem([[m_OutlineView itemAtRow:indexRow] pointer]);
}
else
{
columnPtr = NULL;
item = wxDataViewItem();
}
}
void wxCocoaDataViewControl::SetRowHeight(const wxDataViewItem& WXUNUSED(item), unsigned int WXUNUSED(height))
// Not supported by the native control
{
}
void wxCocoaDataViewControl::OnSize()
{
if ([m_OutlineView numberOfColumns] == 1)
[m_OutlineView sizeLastColumnToFit];
}
//
// drag & drop helper methods
//
wxDataFormat wxCocoaDataViewControl::GetDnDDataFormat(wxDataObjectComposite* dataObjects)
{
wxDataFormat resultFormat;
if ( !dataObjects )
return resultFormat;
bool compatible(true);
size_t const noOfFormats = dataObjects->GetFormatCount();
size_t indexFormat;
wxDataFormat* formats;
// get all formats and check afterwards if the formats are compatible; if
// they are compatible the preferred format is returned otherwise
// wxDF_INVALID is returned;
// currently compatible types (ordered by priority are):
// - wxDF_UNICODETEXT - wxDF_TEXT
formats = new wxDataFormat[noOfFormats];
dataObjects->GetAllFormats(formats);
indexFormat = 0;
while ((indexFormat < noOfFormats) && compatible)
{
switch (resultFormat.GetType())
{
case wxDF_INVALID:
resultFormat.SetType(formats[indexFormat].GetType()); // first format (should only be reached if indexFormat == 0)
break;
case wxDF_TEXT:
if (formats[indexFormat].GetType() == wxDF_UNICODETEXT)
resultFormat.SetType(wxDF_UNICODETEXT);
else // incompatible
{
resultFormat.SetType(wxDF_INVALID);
compatible = false;
}
break;
case wxDF_UNICODETEXT:
if (formats[indexFormat].GetType() != wxDF_TEXT)
{
resultFormat.SetType(wxDF_INVALID);
compatible = false;
}
break;
default:
resultFormat.SetType(wxDF_INVALID); // not (yet) supported format
compatible = false;
}
++indexFormat;
}
delete[] formats;
return resultFormat;
}
wxDataObjectComposite* wxCocoaDataViewControl::GetDnDDataObjects(NSData* dataObject) const
{
wxDataFormatId dataFormatID;
[dataObject getBytes:&dataFormatID length:sizeof(wxDataFormatId)];
switch (dataFormatID)
{
case wxDF_TEXT:
case wxDF_UNICODETEXT:
{
wxTextDataObject* textDataObject(new wxTextDataObject());
if (textDataObject->SetData(wxDataFormat(dataFormatID),[dataObject length]-sizeof(wxDataFormatId),static_cast<char const*>([dataObject bytes])+sizeof(wxDataFormatId)))
{
wxDataObjectComposite* dataObjectComposite(new wxDataObjectComposite());
dataObjectComposite->Add(textDataObject);
return dataObjectComposite;
}
else
{
delete textDataObject;
return NULL;
}
}
break;
default:
return NULL;
}
}
id wxCocoaDataViewControl::GetItemAtRow(int row) const
{
return [m_OutlineView itemAtRow:row];
}
// ----------------------------------------------------------------------------
// wxDataViewRendererNativeData
// ----------------------------------------------------------------------------
void wxDataViewRendererNativeData::Init()
{
m_origFont = NULL;
m_origTextColour = NULL;
m_ellipsizeMode = wxELLIPSIZE_MIDDLE;
if ( m_ColumnCell )
ApplyLineBreakMode(m_ColumnCell);
}
void wxDataViewRendererNativeData::ApplyLineBreakMode(NSCell *cell)
{
NSLineBreakMode nsMode = NSLineBreakByWordWrapping;
switch ( m_ellipsizeMode )
{
case wxELLIPSIZE_NONE:
nsMode = NSLineBreakByClipping;
break;
case wxELLIPSIZE_START:
nsMode = NSLineBreakByTruncatingHead;
break;
case wxELLIPSIZE_MIDDLE:
nsMode = NSLineBreakByTruncatingMiddle;
break;
case wxELLIPSIZE_END:
nsMode = NSLineBreakByTruncatingTail;
break;
}
wxASSERT_MSG( nsMode != NSLineBreakByWordWrapping, "unknown wxEllipsizeMode" );
[cell setLineBreakMode: nsMode];
}
// ---------------------------------------------------------
// wxDataViewRenderer
// ---------------------------------------------------------
wxDataViewRenderer::wxDataViewRenderer(const wxString& varianttype,
wxDataViewCellMode mode,
int align)
: wxDataViewRendererBase(varianttype, mode, align),
m_alignment(align),
m_mode(mode),
m_NativeDataPtr(NULL)
{
}
wxDataViewRenderer::~wxDataViewRenderer()
{
delete m_NativeDataPtr;
}
void wxDataViewRenderer::SetAlignment(int align)
{
m_alignment = align;
[GetNativeData()->GetColumnCell() setAlignment:ConvertToNativeHorizontalTextAlignment(align)];
}
void wxDataViewRenderer::SetMode(wxDataViewCellMode mode)
{
m_mode = mode;
if ( GetOwner() )
[GetOwner()->GetNativeData()->GetNativeColumnPtr() setEditable:(mode == wxDATAVIEW_CELL_EDITABLE)];
}
void wxDataViewRenderer::SetNativeData(wxDataViewRendererNativeData* newNativeDataPtr)
{
delete m_NativeDataPtr;
m_NativeDataPtr = newNativeDataPtr;
}
void wxDataViewRenderer::EnableEllipsize(wxEllipsizeMode mode)
{
// we need to store this value to apply it to the columns headerCell in
// CreateNativeColumn()
GetNativeData()->SetEllipsizeMode(mode);
// but we may already apply it to the column cell which will be used for
// this column
GetNativeData()->ApplyLineBreakMode(GetNativeData()->GetColumnCell());
}
wxEllipsizeMode wxDataViewRenderer::GetEllipsizeMode() const
{
return GetNativeData()->GetEllipsizeMode();
}
void
wxDataViewRenderer::OSXOnCellChanged(NSObject *object,
const wxDataViewItem& item,
unsigned col)
{
// TODO: This code should really be removed and this function be made pure
// virtual. We just need to decide what to do with custom renderers
// (i.e. wxDataViewCustomRenderer), currently OS X "in place" editing
// which doesn't really create an editor control is not compatible
// with the in place editing under other platforms.
wxVariant value;
if ( [object isKindOfClass:[NSString class]] )
value = ObjectToString(object);
else if ( [object isKindOfClass:[NSNumber class]] )
value = ObjectToLong(object);
else if ( [object isKindOfClass:[NSDate class]] )
value = ObjectToDate(object);
else
{
wxFAIL_MSG( wxString::Format
(
"unknown value type %s",
wxCFStringRef::AsString([object className])
));
return;
}
wxDataViewModel *model = GetOwner()->GetOwner()->GetModel();
model->ChangeValue(value, item, col);
}
void wxDataViewRenderer::OSXApplyAttr(const wxDataViewItemAttr& attr)
{
wxDataViewRendererNativeData * const data = GetNativeData();
NSCell * const cell = data->GetItemCell();
// set the font and text colour to use: we need to do it if we had ever
// changed them before, even if this item itself doesn't have any special
// attributes as otherwise it would reuse the attributes from the previous
// cell rendered using the same renderer
NSFont *font = NULL;
NSColor *colText = NULL;
if ( attr.HasFont() )
{
font = data->GetOriginalFont();
if ( !font )
{
// this is the first time we're setting the font, remember the
// original one before changing it
font = [cell font];
data->SaveOriginalFont(font);
}
if ( font )
{
// FIXME: using wxFont methods here doesn't work for some reason
NSFontManager * const fm = [NSFontManager sharedFontManager];
if ( attr.GetBold() )
font = [fm convertFont:font toHaveTrait:NSBoldFontMask];
if ( attr.GetItalic() )
font = [fm convertFont:font toHaveTrait:NSItalicFontMask];
}
//else: can't change font if the cell doesn't have any
}
if ( attr.HasColour() )
{
// we can set font for any cell but only NSTextFieldCell provides
// a method for setting text colour so check that this method is
// available before using it
if ( [cell respondsToSelector:@selector(setTextColor:)] &&
[cell respondsToSelector:@selector(textColor)] )
{
if ( !data->GetOriginalTextColour() )
{
// the cast to (untyped) id is safe because of the check above
data->SaveOriginalTextColour([(id)cell textColor]);
}
const wxColour& c = attr.GetColour();
colText = [NSColor colorWithCalibratedRed:c.Red() / 255.
green:c.Green() / 255.
blue:c.Blue() / 255.
alpha:c.Alpha() / 255.];
}
}
if ( !font )
font = data->GetOriginalFont();
if ( !colText )
colText = data->GetOriginalTextColour();
if ( font )
[cell setFont:font];
if ( colText )
[(id)cell setTextColor:colText];
}
void wxDataViewRenderer::OSXApplyEnabled(bool enabled)
{
[GetNativeData()->GetItemCell() setEnabled:enabled];
}
IMPLEMENT_ABSTRACT_CLASS(wxDataViewRenderer,wxDataViewRendererBase)
// ---------------------------------------------------------
// wxDataViewCustomRenderer
// ---------------------------------------------------------
wxDataViewCustomRenderer::wxDataViewCustomRenderer(const wxString& varianttype,
wxDataViewCellMode mode,
int align)
: wxDataViewCustomRendererBase(varianttype, mode, align),
m_editorCtrlPtr(NULL),
m_DCPtr(NULL)
{
SetNativeData(new wxDataViewRendererNativeData([[wxCustomCell alloc] init]));
}
bool wxDataViewCustomRenderer::MacRender()
{
[GetNativeData()->GetItemCell() setObjectValue:[[[wxCustomRendererObject alloc] initWithRenderer:this] autorelease]];
return true;
}
void wxDataViewCustomRenderer::OSXApplyAttr(const wxDataViewItemAttr& attr)
{
// simply save the attribute so that it could be reused from our Render()
SetAttr(attr);
// it's not necessary to call the base class version which sets the cell
// properties to correspond to this attribute because we currently don't
// use any NSCell methods in custom renderers anyhow but if we ever start
// doing this (e.g. override RenderText() here to use NSTextFieldCell
// methods), then we should pass it on to wxDataViewRenderer here
}
IMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
// ---------------------------------------------------------
// wxDataViewTextRenderer
// ---------------------------------------------------------
wxDataViewTextRenderer::wxDataViewTextRenderer(const wxString& varianttype,
wxDataViewCellMode mode,
int align)
: wxDataViewRenderer(varianttype,mode,align)
{
NSTextFieldCell* cell;
cell = [[NSTextFieldCell alloc] init];
[cell setAlignment:ConvertToNativeHorizontalTextAlignment(align)];
SetNativeData(new wxDataViewRendererNativeData(cell));
[cell release];
}
bool wxDataViewTextRenderer::MacRender()
{
if (GetValue().GetType() == GetVariantType())
{
[GetNativeData()->GetItemCell() setObjectValue:wxCFStringRef(GetValue().GetString()).AsNSString()];
return true;
}
else
{
wxFAIL_MSG(wxString("Text renderer cannot render value because of wrong value type; value type: ") << GetValue().GetType());
return false;
}
}
void
wxDataViewTextRenderer::OSXOnCellChanged(NSObject *value,
const wxDataViewItem& item,
unsigned col)
{
wxDataViewModel *model = GetOwner()->GetOwner()->GetModel();
model->ChangeValue(ObjectToString(value), item, col);
}
IMPLEMENT_CLASS(wxDataViewTextRenderer,wxDataViewRenderer)
// ---------------------------------------------------------
// wxDataViewBitmapRenderer
// ---------------------------------------------------------
wxDataViewBitmapRenderer::wxDataViewBitmapRenderer(const wxString& varianttype,
wxDataViewCellMode mode,
int align)
: wxDataViewRenderer(varianttype,mode,align)
{
NSImageCell* cell;
cell = [[NSImageCell alloc] init];
SetNativeData(new wxDataViewRendererNativeData(cell));
[cell release];
}
// This method returns 'true' if
// - the passed bitmap is valid and it could be assigned to the native data
// browser;
// - the passed bitmap is invalid (or is not initialized); this case
// simulates a non-existing bitmap.
// In all other cases the method returns 'false'.
bool wxDataViewBitmapRenderer::MacRender()
{
wxCHECK_MSG(GetValue().GetType() == GetVariantType(),false,wxString("Bitmap renderer cannot render value; value type: ") << GetValue().GetType());
wxBitmap bitmap;
bitmap << GetValue();
if (bitmap.IsOk())
[GetNativeData()->GetItemCell() setObjectValue:[[bitmap.GetNSImage() retain] autorelease]];
return true;
}
IMPLEMENT_CLASS(wxDataViewBitmapRenderer,wxDataViewRenderer)
// -------------------------------------
// wxDataViewChoiceRenderer
// -------------------------------------
wxDataViewChoiceRenderer::wxDataViewChoiceRenderer(const wxArrayString& choices,
wxDataViewCellMode mode,
int alignment)
: wxDataViewRenderer(wxT("string"), mode, alignment),
m_choices(choices)
{
NSPopUpButtonCell* cell;
cell = [[NSPopUpButtonCell alloc] init];
[cell setControlSize:NSMiniControlSize];
[cell setFont:[NSFont fontWithName:[[cell font] fontName] size:[NSFont systemFontSizeForControlSize:NSMiniControlSize]]];
for (size_t i=0; i<choices.GetCount(); ++i)
[cell addItemWithTitle:wxCFStringRef(choices[i]).AsNSString()];
SetNativeData(new wxDataViewRendererNativeData(cell));
[cell release];
}
void
wxDataViewChoiceRenderer::OSXOnCellChanged(NSObject *value,
const wxDataViewItem& item,
unsigned col)
{
// At least under OS X 10.7 we get the index of the item selected and not
// its string.
wxDataViewModel *model = GetOwner()->GetOwner()->GetModel();
model->ChangeValue(GetChoice(ObjectToLong(value)), item, col);
}
bool wxDataViewChoiceRenderer::MacRender()
{
if (GetValue().GetType() == GetVariantType())
{
[((NSPopUpButtonCell*) GetNativeData()->GetItemCell()) selectItemWithTitle:[[wxCFStringRef(GetValue().GetString()).AsNSString() retain] autorelease]];
return true;
}
else
{
wxFAIL_MSG(wxString("Choice renderer cannot render value because of wrong value type; value type: ") << GetValue().GetType());
return false;
}
}
IMPLEMENT_CLASS(wxDataViewChoiceRenderer,wxDataViewRenderer)
// ---------------------------------------------------------
// wxDataViewDateRenderer
// ---------------------------------------------------------
wxDataViewDateRenderer::wxDataViewDateRenderer(const wxString& varianttype,
wxDataViewCellMode mode,
int align)
: wxDataViewRenderer(varianttype,mode,align)
{
NSTextFieldCell* cell;
NSDateFormatter* dateFormatter;
dateFormatter = [[NSDateFormatter alloc] init];
[dateFormatter setFormatterBehavior:NSDateFormatterBehavior10_4];
[dateFormatter setDateStyle:NSDateFormatterShortStyle];
cell = [[NSTextFieldCell alloc] init];
[cell setFormatter:dateFormatter];
SetNativeData(new wxDataViewRendererNativeData(cell,[NSDate dateWithString:@"2000-12-30 20:00:00 +0000"]));
[cell release];
[dateFormatter release];
}
bool wxDataViewDateRenderer::MacRender()
{
if (GetValue().GetType() == GetVariantType())
{
if (GetValue().GetDateTime().IsValid())
{
// -- find best fitting style to show the date --
// as the style should be identical for all cells a reference date
// instead of the actual cell's date value is used for all cells;
// this reference date is stored in the renderer's native data
// section for speed purposes; otherwise, the reference date's
// string has to be recalculated for each item that may become
// timewise long if a lot of rows using dates exist; the algorithm
// has the preference to display as much information as possible
// in the first instance; but as this is often impossible due to
// space restrictions the style is shortened per loop; finally, if
// the shortest time and date format does not fit into the cell
// the time part is dropped; remark: the time part itself is not
// modified per iteration loop and only uses the short style,
// means that only the hours and minutes are being shown
// GetObject() returns a date for testing the size of a date object
[GetNativeData()->GetItemCell() setObjectValue:GetNativeData()->GetObject()];
[[GetNativeData()->GetItemCell() formatter] setTimeStyle:NSDateFormatterShortStyle];
for (int dateFormatterStyle=4; dateFormatterStyle>0; --dateFormatterStyle)
{
[[GetNativeData()->GetItemCell() formatter] setDateStyle:(NSDateFormatterStyle)dateFormatterStyle];
if (dateFormatterStyle == 1)
{
// if the shortest style for displaying the date and time
// is too long to be fully visible remove the time part of
// the date:
if ([GetNativeData()->GetItemCell() cellSize].width > [GetNativeData()->GetColumnPtr() width])
[[GetNativeData()->GetItemCell() formatter] setTimeStyle:NSDateFormatterNoStyle];
{
// basically not necessary as the loop would end anyway
// but let's save the last comparison
break;
}
}
else if ([GetNativeData()->GetItemCell() cellSize].width <= [GetNativeData()->GetColumnPtr() width])
break;
}
// set data (the style is set by the previous loop); on OSX the
// date has to be specified with respect to UTC; in wxWidgets the
// date is always entered in the local timezone; so, we have to do
// a conversion from the local to UTC timezone when adding the
// seconds to 1970-01-01 UTC:
[GetNativeData()->GetItemCell() setObjectValue:[NSDate dateWithTimeIntervalSince1970:GetValue().GetDateTime().ToUTC().Subtract(wxDateTime(1,wxDateTime::Jan,1970)).GetSeconds().ToDouble()]];
}
return true;
}
else
{
wxFAIL_MSG(wxString("Date renderer cannot render value because of wrong value type; value type: ") << GetValue().GetType());
return false;
}
}
void
wxDataViewDateRenderer::OSXOnCellChanged(NSObject *value,
const wxDataViewItem& item,
unsigned col)
{
wxDataViewModel *model = GetOwner()->GetOwner()->GetModel();
model->ChangeValue(ObjectToDate(value), item, col);
}
IMPLEMENT_ABSTRACT_CLASS(wxDataViewDateRenderer,wxDataViewRenderer)
// ---------------------------------------------------------
// wxDataViewIconTextRenderer
// ---------------------------------------------------------
wxDataViewIconTextRenderer::wxDataViewIconTextRenderer(const wxString& varianttype,
wxDataViewCellMode mode,
int align)
: wxDataViewRenderer(varianttype,mode)
{
wxImageTextCell* cell;
cell = [[wxImageTextCell alloc] init];
[cell setAlignment:ConvertToNativeHorizontalTextAlignment(align)];
SetNativeData(new wxDataViewRendererNativeData(cell));
[cell release];
}
bool wxDataViewIconTextRenderer::MacRender()
{
if (GetValue().GetType() == GetVariantType())
{
wxDataViewIconText iconText;
wxImageTextCell* cell;
cell = (wxImageTextCell*) GetNativeData()->GetItemCell();
iconText << GetValue();
if (iconText.GetIcon().IsOk())
[cell setImage:[[wxBitmap(iconText.GetIcon()).GetNSImage() retain] autorelease]];
else
[cell setImage:nil];
[cell setStringValue:[[wxCFStringRef(iconText.GetText()).AsNSString() retain] autorelease]];
return true;
}
else
{
wxFAIL_MSG(wxString("Icon & text renderer cannot render value because of wrong value type; value type: ") << GetValue().GetType());
return false;
}
}
void
wxDataViewIconTextRenderer::OSXOnCellChanged(NSObject *value,
const wxDataViewItem& item,
unsigned col)
{
wxVariant valueIconText;
valueIconText << wxDataViewIconText(ObjectToString(value));
wxDataViewModel *model = GetOwner()->GetOwner()->GetModel();
model->ChangeValue(valueIconText, item, col);
}
IMPLEMENT_ABSTRACT_CLASS(wxDataViewIconTextRenderer,wxDataViewRenderer)
// ---------------------------------------------------------
// wxDataViewToggleRenderer
// ---------------------------------------------------------
wxDataViewToggleRenderer::wxDataViewToggleRenderer(const wxString& varianttype,
wxDataViewCellMode mode,
int align)
: wxDataViewRenderer(varianttype,mode)
{
NSButtonCell* cell;
cell = [[NSButtonCell alloc] init];
[cell setAlignment:ConvertToNativeHorizontalTextAlignment(align)];
[cell setButtonType:NSSwitchButton];
[cell setImagePosition:NSImageOnly];
SetNativeData(new wxDataViewRendererNativeData(cell));
[cell release];
}
bool wxDataViewToggleRenderer::MacRender()
{
if (GetValue().GetType() == GetVariantType())
{
[GetNativeData()->GetItemCell() setIntValue:GetValue().GetLong()];
return true;
}
else
{
wxFAIL_MSG(wxString("Toggle renderer cannot render value because of wrong value type; value type: ") << GetValue().GetType());
return false;
}
}
void
wxDataViewToggleRenderer::OSXOnCellChanged(NSObject *value,
const wxDataViewItem& item,
unsigned col)
{
wxDataViewModel *model = GetOwner()->GetOwner()->GetModel();
model->ChangeValue(ObjectToBool(value), item, col);
}
IMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleRenderer,wxDataViewRenderer)
// ---------------------------------------------------------
// wxDataViewProgressRenderer
// ---------------------------------------------------------
wxDataViewProgressRenderer::wxDataViewProgressRenderer(const wxString& label,
const wxString& varianttype,
wxDataViewCellMode mode,
int align)
: wxDataViewRenderer(varianttype,mode,align)
{
wxUnusedVar(label);
NSLevelIndicatorCell* cell;
cell = [[NSLevelIndicatorCell alloc] initWithLevelIndicatorStyle:NSContinuousCapacityLevelIndicatorStyle];
[cell setMinValue:0];
[cell setMaxValue:100];
SetNativeData(new wxDataViewRendererNativeData(cell));
[cell release];
}
bool wxDataViewProgressRenderer::MacRender()
{
if (GetValue().GetType() == GetVariantType())
{
[GetNativeData()->GetItemCell() setIntValue:GetValue().GetLong()];
return true;
}
else
{
wxFAIL_MSG(wxString("Progress renderer cannot render value because of wrong value type; value type: ") << GetValue().GetType());
return false;
}
}
void
wxDataViewProgressRenderer::OSXOnCellChanged(NSObject *value,
const wxDataViewItem& item,
unsigned col)
{
wxDataViewModel *model = GetOwner()->GetOwner()->GetModel();
model->ChangeValue(ObjectToLong(value), item, col);
}
IMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressRenderer,wxDataViewRenderer)
// ---------------------------------------------------------
// wxDataViewColumn
// ---------------------------------------------------------
wxDataViewColumn::wxDataViewColumn(const wxString& title,
wxDataViewRenderer* renderer,
unsigned int model_column,
int width,
wxAlignment align,
int flags)
: wxDataViewColumnBase(renderer, model_column),
m_NativeDataPtr(new wxDataViewColumnNativeData()),
m_title(title)
{
InitCommon(width, align, flags);
if (renderer && !renderer->IsCustomRenderer() &&
(renderer->GetAlignment() == wxDVR_DEFAULT_ALIGNMENT))
renderer->SetAlignment(align);
}
wxDataViewColumn::wxDataViewColumn(const wxBitmap& bitmap,
wxDataViewRenderer* renderer,
unsigned int model_column,
int width,
wxAlignment align,
int flags)
: wxDataViewColumnBase(bitmap, renderer, model_column),
m_NativeDataPtr(new wxDataViewColumnNativeData())
{
InitCommon(width, align, flags);
if (renderer && !renderer->IsCustomRenderer() &&
(renderer->GetAlignment() == wxDVR_DEFAULT_ALIGNMENT))
renderer->SetAlignment(align);
}
wxDataViewColumn::~wxDataViewColumn()
{
delete m_NativeDataPtr;
}
int wxDataViewColumn::GetWidth() const
{
return [m_NativeDataPtr->GetNativeColumnPtr() width];
}
bool wxDataViewColumn::IsSortKey() const
{
NSTableColumn *nsCol = GetNativeData()->GetNativeColumnPtr();
return nsCol && ([nsCol sortDescriptorPrototype] != nil);
}
void wxDataViewColumn::SetAlignment(wxAlignment align)
{
m_alignment = align;
[[m_NativeDataPtr->GetNativeColumnPtr() headerCell] setAlignment:ConvertToNativeHorizontalTextAlignment(align)];
if (m_renderer && !m_renderer->IsCustomRenderer() &&
(m_renderer->GetAlignment() == wxDVR_DEFAULT_ALIGNMENT))
m_renderer->SetAlignment(align);
}
void wxDataViewColumn::SetBitmap(const wxBitmap& bitmap)
{
// bitmaps and titles cannot exist at the same time - if the bitmap is set
// the title is removed:
m_title = wxEmptyString;
wxDataViewColumnBase::SetBitmap(bitmap);
[[m_NativeDataPtr->GetNativeColumnPtr() headerCell] setImage:[[bitmap.GetNSImage() retain] autorelease]];
}
void wxDataViewColumn::SetMaxWidth(int maxWidth)
{
m_maxWidth = maxWidth;
[m_NativeDataPtr->GetNativeColumnPtr() setMaxWidth:maxWidth];
}
void wxDataViewColumn::SetMinWidth(int minWidth)
{
m_minWidth = minWidth;
[m_NativeDataPtr->GetNativeColumnPtr() setMinWidth:minWidth];
}
void wxDataViewColumn::SetReorderable(bool reorderable)
{
wxUnusedVar(reorderable);
}
void wxDataViewColumn::SetHidden(bool hidden)
{
// How to set flag here?
[m_NativeDataPtr->GetNativeColumnPtr() setHidden:hidden];
}
bool wxDataViewColumn::IsHidden() const
{
return [m_NativeDataPtr->GetNativeColumnPtr() isHidden];
}
void wxDataViewColumn::SetResizeable(bool resizable)
{
wxDataViewColumnBase::SetResizeable(resizable);
if (resizable)
[m_NativeDataPtr->GetNativeColumnPtr() setResizingMask:NSTableColumnUserResizingMask];
else
[m_NativeDataPtr->GetNativeColumnPtr() setResizingMask:NSTableColumnNoResizing];
}
void wxDataViewColumn::SetSortable(bool sortable)
{
// wxDataViewColumnBase::SetSortable(sortable);
// Avoid endless recursion and just set the flag here
if (sortable)
m_flags |= wxDATAVIEW_COL_SORTABLE;
else
m_flags &= ~wxDATAVIEW_COL_SORTABLE;
}
void wxDataViewColumn::SetSortOrder(bool ascending)
{
if (m_ascending != ascending)
{
m_ascending = ascending;
if (IsSortKey())
{
// change sorting order:
NSArray* sortDescriptors;
NSSortDescriptor* sortDescriptor;
NSTableColumn* tableColumn;
tableColumn = m_NativeDataPtr->GetNativeColumnPtr();
sortDescriptor = [[NSSortDescriptor alloc] initWithKey:[[tableColumn sortDescriptorPrototype] key] ascending:m_ascending];
sortDescriptors = [NSArray arrayWithObject:sortDescriptor];
[tableColumn setSortDescriptorPrototype:sortDescriptor];
[[tableColumn tableView] setSortDescriptors:sortDescriptors];
[sortDescriptor release];
}
}
}
void wxDataViewColumn::SetTitle(const wxString& title)
{
// bitmaps and titles cannot exist at the same time - if the title is set
// the bitmap is removed:
wxDataViewColumnBase::SetBitmap(wxBitmap());
m_title = title;
[[m_NativeDataPtr->GetNativeColumnPtr() headerCell] setStringValue:[[wxCFStringRef(title).AsNSString() retain] autorelease]];
}
void wxDataViewColumn::SetWidth(int width)
{
m_width = width;
switch ( width )
{
case wxCOL_WIDTH_AUTOSIZE:
#if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5
if ( GetOwner() )
{
wxCocoaDataViewControl *peer = static_cast<wxCocoaDataViewControl*>(GetOwner()->GetPeer());
peer->FitColumnWidthToContent(GetOwner()->GetColumnPosition(this));
break;
}
#endif
// fall through if unsupported (OSX < 10.5) or not yet settable
case wxCOL_WIDTH_DEFAULT:
width = wxDVC_DEFAULT_WIDTH;
// fall through
default:
[m_NativeDataPtr->GetNativeColumnPtr() setWidth:width];
break;
}
}
void wxDataViewColumn::SetNativeData(wxDataViewColumnNativeData* newNativeDataPtr)
{
delete m_NativeDataPtr;
m_NativeDataPtr = newNativeDataPtr;
}
#endif // (wxUSE_DATAVIEWCTRL == 1) && !defined(wxUSE_GENERICDATAVIEWCTRL)