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libs-gui/Source/NSTableView.m
Gregory John Casamento baf3f68d20 encoding improvements. 
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@23285 72102866-910b-0410-8b05-ffd578937521
2006-08-13 20:21:46 +00:00

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/** <title>NSTableView</title>
Copyright (C) 2000 Free Software Foundation, Inc.
Author: Nicola Pero <n.pero@mi.flashnet.it>
Date: March 2000, June 2000, August 2000, September 2000
Author: Pierre-Yves Rivaille <pyrivail@ens-lyon.fr>
Date: August 2001, January 2002
Author: Fred Kiefer <fredkiefer@gmx.de>
Date: March 2004
This file is part of the GNUstep GUI Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; see the file COPYING.LIB.
If not, write to the Free Software Foundation,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <Foundation/NSAutoreleasePool.h>
#include <Foundation/NSException.h>
#include <Foundation/NSFormatter.h>
#include <Foundation/NSIndexSet.h>
#include <Foundation/NSNotification.h>
#include <Foundation/NSSet.h>
#include <Foundation/NSUserDefaults.h>
#include <Foundation/NSValue.h>
#include <Foundation/NSKeyedArchiver.h>
#include "AppKit/NSTableView.h"
#include "AppKit/NSApplication.h"
#include "AppKit/NSCell.h"
#include "AppKit/NSClipView.h"
#include "AppKit/NSColor.h"
#include "AppKit/NSEvent.h"
#include "AppKit/NSImage.h"
#include "AppKit/NSGraphics.h"
#include "AppKit/NSScroller.h"
#include "AppKit/NSScrollView.h"
#include "AppKit/NSTableColumn.h"
#include "AppKit/NSTableHeaderView.h"
#include "AppKit/NSText.h"
#include "AppKit/NSTextFieldCell.h"
#include "AppKit/NSWindow.h"
#include "AppKit/PSOperators.h"
#include "AppKit/NSCachedImageRep.h"
#include "AppKit/NSPasteboard.h"
#include "AppKit/NSDragging.h"
#include "AppKit/NSCustomImageRep.h"
#include "GNUstepGUI/GSDrawFunctions.h"
#include <math.h>
static NSNotificationCenter *nc = nil;
static const int currentVersion = 3;
static NSRect oldDraggingRect;
static int oldDropRow;
static NSTableViewDropOperation oldDropOperation;
static NSTableViewDropOperation currentDropOperation;
static int currentDropRow;
static int lastQuarterPosition;
static unsigned currentDragOperation;
/*
* Nib compatibility struct. This structure is used to
* pull the attributes out of the nib that we need to fill
* in the flags.
*/
typedef struct _tableViewFlags
{
#ifdef WORDS_BIGENDIAN
unsigned int columnOrdering:1;
unsigned int columnResizing:1;
unsigned int drawsGrid:1;
unsigned int emptySelection:1;
unsigned int multipleSelection:1;
unsigned int columnSelection:1;
unsigned int __unused:26;
#else
unsigned int __unused:26;
unsigned int columnSelection:1;
unsigned int multipleSelection:1;
unsigned int emptySelection:1;
unsigned int drawsGrid:1;
unsigned int columnResizing:1;
unsigned int columnOrdering:1;
#endif
} GSTableViewFlags;
#define ALLOWS_MULTIPLE (1)
#define ALLOWS_EMPTY (1 << 1)
#define SHIFT_DOWN (1 << 2)
#define CONTROL_DOWN (1 << 3)
#define ADDING_ROW (1 << 4)
@interface NSTableView (NotificationRequestMethods)
- (void) _postSelectionIsChangingNotification;
- (void) _postSelectionDidChangeNotification;
- (void) _postColumnDidMoveNotificationWithOldIndex: (int) oldIndex
newIndex: (int) newIndex;
- (void) _postColumnDidResizeNotification;
- (BOOL) _shouldSelectTableColumn: (NSTableColumn *)tableColumn;
- (BOOL) _shouldSelectRow: (int)rowIndex;
- (BOOL) _shouldSelectionChange;
- (BOOL) _shouldEditTableColumn: (NSTableColumn *)tableColumn
row: (int) rowIndex;
- (void) _willDisplayCell: (NSCell*)cell
forTableColumn: (NSTableColumn *)tb
row: (int)index;
- (BOOL) _writeRows: (NSArray *) rows
toPasteboard: (NSPasteboard *)pboard;
- (BOOL) _isDraggingSource;
- (id)_objectValueForTableColumn: (NSTableColumn *)tb
row: (int)index;
- (void)_setObjectValue: (id)value
forTableColumn: (NSTableColumn *)tb
row: (int)index;
@end
@interface NSTableView (SelectionHelper)
- (void) _setSelectingColumns: (BOOL)flag;
- (NSArray *) _selectedRowArray;
- (BOOL) _selectRow: (int)rowIndex;
- (BOOL) _selectUnselectedRow: (int)rowIndex;
- (BOOL) _unselectRow: (int)rowIndex;
- (void) _unselectAllRows;
- (NSArray *) _selectedColumArray;
- (void) _unselectAllColumns;
@end
/*
* A specific struct and its associated quick sort function
* This is used by the -sizeToFit method
*/
typedef struct {
float width;
BOOL isMax;
} columnSorting;
static
void quick_sort_internal(columnSorting *data, int p, int r)
{
if (p < r)
{
int q;
{
float x = data[p].width;
BOOL y = data[p].isMax;
int i = p - 1;
int j = r + 1;
columnSorting exchange;
while (1)
{
j--;
for (;
(data[j].width > x)
|| ((data[j].width == x)
&& (data[j].isMax == YES)
&& (y == NO));
j--)
;
i++;
for (;
(data[i].width < x)
|| ((data[i].width == x)
&& (data[i].isMax == NO)
&& (y == YES));
i++)
;
if (i < j)
{
exchange = data[j];
data[j] = data[i];
data[i] = exchange;
}
else
{
q = j;
break;
}
}
}
quick_sort_internal(data, p, q);
quick_sort_internal(data, q + 1, r);
}
}
/*
* Now some auxiliary functions used to manage real-time user selections.
*
*/
static void computeNewSelection
(NSTableView *tv,
NSIndexSet *_oldSelectedRows,
NSMutableIndexSet *_selectedRows,
int _originalRow,
int _oldRow,
int _currentRow,
int *_selectedRow,
unsigned selectionMode)
{
if (!(selectionMode & ALLOWS_MULTIPLE))
{
if ((selectionMode & SHIFT_DOWN) &&
(selectionMode & ALLOWS_EMPTY) &&
!(selectionMode & ADDING_ROW))
// we will unselect the selected row
// ic, sc : ok
{
int count = [_selectedRows count];
if ((count == 0) && (_oldRow == -1))
{
NSLog(@"how did you get there ?");
NSLog(@"you're supposed to have clicked on a selected row,");
NSLog(@"but there's no selected row!");
return;
}
else if (count > 1)
{
[tv _unselectAllRows];
[tv _postSelectionIsChangingNotification];
}
else if (_currentRow != _originalRow)
{
if (*_selectedRow == _originalRow)
{
// we are already selected, don't do anything
}
else
{
//begin checking code
if (count > 0)
{
NSLog(@"There should not be any row selected");
}
//end checking code
if ([tv _selectRow: _originalRow])
{
[tv _postSelectionIsChangingNotification];
}
}
}
else if (_currentRow == _originalRow)
{
if (count == 0)
{
// the row is already deselected
// nothing to do !
}
else
{
[tv _unselectRow: _originalRow];
[tv _postSelectionIsChangingNotification];
}
}
}
else //(!(selectionMode & ALLOWS_MULTIPLE) &&
//(!(selectionMode & SHIFT_DOWN) ||
//!(selectionMode & ALLOWS_EMPTY) ||
//(selectionMode & ADDING_ROW)))
// we'll be selecting exactly one row
// ic, sc : ok
{
int count = [_selectedRows count];
BOOL notified = NO;
if ([tv _shouldSelectRow: _currentRow] == NO)
{
return;
}
if ((count != 1) || (_oldRow == -1))
{
// this is the first call that goes thru shouldSelectRow
// Therefore we don't know anything about the selection
notified = ![_selectedRows containsIndex: _currentRow];
[tv _unselectAllRows];
[_selectedRows addIndex: _currentRow];
*_selectedRow = _currentRow;
if (notified == YES)
{
[tv setNeedsDisplayInRect: [tv rectOfRow: _currentRow]];
}
else
{
if (count > 1)
{
notified = YES;
}
}
if (notified == YES)
{
[tv _postSelectionIsChangingNotification];
}
}
else
{
// we know there is only one column selected
// this column is *_selectedRow
//begin checking code
if (![_selectedRows containsIndex: *_selectedRow])
{
NSLog(@"*_selectedRow is not the only selected row!");
}
//end checking code
if (*_selectedRow == _currentRow)
{
// currentRow is already selecteed
return;
}
else
{
[tv _unselectRow: *_selectedRow];
// CHANGE: This does a check more
[tv _selectRow: _currentRow];
[tv _postSelectionIsChangingNotification];
}
}
}
}
else if ((selectionMode & ALLOWS_MULTIPLE)
&& (selectionMode & SHIFT_DOWN)
&& (selectionMode & ADDING_ROW))
// we add new row to the current selection
{
if (_oldRow == -1)
// this is the first pass
{
BOOL notified = NO;
int i;
int diff = _currentRow - _originalRow;
if (diff >= 0)
{
for (i = _originalRow; i <= _currentRow; i++)
{
if ([_selectedRows containsIndex: i] ||
[tv _selectRow: i])
{
*_selectedRow = i;
notified = YES;
}
}
}
else
{
// this case does happen, (sometimes)
for (i = _originalRow; i >= _currentRow; i--)
{
if ([_selectedRows containsIndex: i] ||
[tv _selectRow: i])
{
*_selectedRow = i;
notified = YES;
}
}
}
if (notified == YES)
{
[tv _postSelectionIsChangingNotification];
}
}
else // new multiple selection, after first pass
{
int oldDiff, newDiff, i;
oldDiff = _oldRow - _originalRow;
newDiff = _currentRow - _originalRow;
if (oldDiff >= 0 && newDiff >= 0)
{
if (newDiff >= oldDiff)
// we're extending the selection
{
BOOL notified = NO;
for (i = _oldRow + 1; i <= _currentRow; i++)
{
if ([_selectedRows containsIndex: i] ||
[tv _selectRow: i])
{
*_selectedRow = i;
notified = YES;
}
}
if (notified == YES)
{
[tv _postSelectionIsChangingNotification];
}
}
else
// we're reducing the selection
{
BOOL notified = NO;
for (i = _oldRow; i > _currentRow; i--)
{
if ([_oldSelectedRows containsIndex: i])
{
// this row was in the old selection
// leave it selected
continue;
}
if ([tv _unselectRow: i])
{
notified = YES;
}
}
if (notified == YES)
{
unsigned int last = [_selectedRows lastIndex];
if (last == NSNotFound)
{
*_selectedRow = -1;
}
else
{
*_selectedRow = last;
}
[tv _postSelectionIsChangingNotification];
}
}
}
else if (oldDiff <= 0 && newDiff <= 0)
{
if (newDiff <= oldDiff)
// we're extending the selection
{
BOOL notified = NO;
for (i = _oldRow - 1; i >= _currentRow; i--)
{
if ([_selectedRows containsIndex: i] ||
[tv _selectRow: i])
{
*_selectedRow = i;
notified = YES;
}
}
if (notified == YES)
{
[tv _postSelectionIsChangingNotification];
}
}
else
// we're reducing the selection
{
BOOL notified = NO;
for (i = _oldRow; i < _currentRow; i++)
{
if ([_oldSelectedRows containsIndex: i])
{
// this row was in the old selection
// leave it selected
continue;
}
if ([tv _unselectRow: i])
{
notified = YES;
}
}
if (notified == YES)
{
unsigned int first = [_selectedRows firstIndex];
if (first == NSNotFound)
{
*_selectedRow = -1;
}
else
{
*_selectedRow = first;
}
[tv _postSelectionIsChangingNotification];
}
}
}
else if (oldDiff <= 0 && newDiff >= 0)
{
BOOL notified = NO;
// we're reducing the selection
{
for (i = _oldRow; i < _originalRow; i++)
{
if ([_oldSelectedRows containsIndex: i])
{
// this row was in the old selection
// leave it selected
continue;
}
if ([tv _unselectRow: i])
{
notified = YES;
}
}
}
// then we're extending it
for (i = _originalRow + 1; i <= _currentRow; i++)
{
if ([_selectedRows containsIndex: i] ||
[tv _selectRow: i])
{
*_selectedRow = i;
notified = YES;
}
}
if (notified == YES)
{
unsigned int first = [_selectedRows firstIndex];
if (first == NSNotFound)
{
*_selectedRow = -1;
}
else
{
*_selectedRow = first;
}
[tv _postSelectionIsChangingNotification];
}
}
else if (oldDiff >= 0 && newDiff <= 0)
{
BOOL notified = NO;
// we're reducing the selection
for (i = _oldRow; i > _originalRow; i--)
{
if ([_oldSelectedRows containsIndex: i])
{
// this row was in the old selection
// leave it selected
continue;
}
if ([tv _unselectRow: i])
{
notified = YES;
}
}
// then we're extending it
for (i = _originalRow - 1; i >= _currentRow; i--)
{
if ([_selectedRows containsIndex: i] ||
[tv _selectRow: i])
{
*_selectedRow = i;
notified = YES;
}
}
if (notified == YES)
{
unsigned int last = [_selectedRows lastIndex];
if (last == NSNotFound)
{
*_selectedRow = -1;
}
else
{
*_selectedRow = last;
}
[tv _postSelectionIsChangingNotification];
}
}
}
}
else if ((selectionMode & ALLOWS_MULTIPLE)
&& ((selectionMode & SHIFT_DOWN) == 0)
&& (selectionMode & ALLOWS_EMPTY)
)
// ic, sr : ok
// new multiple selection (empty possible)
{
if (_oldRow == -1)
// this is the first pass
// we'll clear the selection first
{
int diff, i;
int count = [_selectedRows count];
BOOL notified = NO;
diff = _currentRow - _originalRow;
if (count > 0)
{
notified = YES;
}
[tv _unselectAllRows];
if (diff >= 0)
{
for (i = _originalRow; i <= _currentRow; i++)
{
if ([tv _selectRow: i])
{
notified = YES;
}
}
}
else
{
// this case does happen (sometimes)
for (i = _originalRow; i >= _currentRow; i--)
{
if ([tv _selectRow: i])
{
notified = YES;
}
}
}
if (notified == YES)
{
[tv _postSelectionIsChangingNotification];
}
}
else // new multiple selection, after first pass
{
int oldDiff, newDiff, i;
oldDiff = _oldRow - _originalRow;
newDiff = _currentRow - _originalRow;
if (oldDiff >= 0 && newDiff >= 0)
{
if (newDiff >= oldDiff)
{
BOOL notified = NO;
for (i = _oldRow + 1; i <= _currentRow; i++)
{
if ([tv _selectRow: i])
{
notified = YES;
}
}
if (notified == YES)
{
[tv _postSelectionIsChangingNotification];
}
}
else
{
BOOL notified = NO;
for (i = _oldRow; i > _currentRow; i--)
{
if ([tv _unselectRow: i])
{
notified = YES;
}
}
if (notified == YES)
{
unsigned int last = [_selectedRows lastIndex];
if (last == NSNotFound)
{
*_selectedRow = -1;
}
else
{
*_selectedRow = last;
}
[tv _postSelectionIsChangingNotification];
}
}
}
else if (oldDiff <= 0 && newDiff <= 0)
{
if (newDiff <= oldDiff)
// we're extending the selection
{
BOOL notified = NO;
for (i = _oldRow - 1; i >= _currentRow; i--)
{
if ([tv _selectRow: i])
{
notified = YES;
}
}
if (notified == YES)
{
[tv _postSelectionIsChangingNotification];
}
}
else
// we're reducing the selection
{
BOOL notified = NO;
for (i = _oldRow; i < _currentRow; i++)
{
if ([tv _unselectRow: i])
{
notified = YES;
}
}
if (notified == YES)
{
unsigned int first = [_selectedRows firstIndex];
if (first == NSNotFound)
{
*_selectedRow = -1;
}
else
{
*_selectedRow = first;
}
[tv _postSelectionIsChangingNotification];
}
}
}
else if (oldDiff <= 0 && newDiff >= 0)
{
BOOL notified = NO;
// we're reducing the selection
for (i = _oldRow; i < _originalRow; i++)
{
if ([tv _unselectRow: i])
{
notified = YES;
}
}
// then we're extending it
for (i = _originalRow + 1; i <= _currentRow; i++)
{
if ([tv _selectRow: i])
{
notified = YES;
}
}
if (notified == YES)
{
unsigned int first = [_selectedRows firstIndex];
if (first == NSNotFound)
{
*_selectedRow = -1;
}
else
{
*_selectedRow = first;
}
[tv _postSelectionIsChangingNotification];
}
}
else if (oldDiff >= 0 && newDiff <= 0)
{
BOOL notified = NO;
// we're reducing the selection
for (i = _oldRow; i > _originalRow; i--)
{
if ([tv _unselectRow: i])
{
notified = YES;
}
}
// then we're extending it
for (i = _originalRow - 1; i >= _currentRow; i--)
{
if ([tv _selectRow: i])
{
notified = YES;
}
}
if (notified == YES)
{
unsigned int last = [_selectedRows lastIndex];
if (last == NSNotFound)
{
*_selectedRow = -1;
}
else
{
*_selectedRow = last;
}
[tv _postSelectionIsChangingNotification];
}
}
}
}
else if (((selectionMode & ALLOWS_MULTIPLE)
&& ((selectionMode & SHIFT_DOWN) == 0)
&& ((selectionMode & ALLOWS_EMPTY) == 0)
&& (selectionMode & ADDING_ROW))
// the following case can be assimilated to the
// one before, although it will lead to an
// extra redraw
// TODO: solve this issue
||
((selectionMode & ALLOWS_MULTIPLE)
&& ((selectionMode & SHIFT_DOWN) == 0)
&& ((selectionMode & ALLOWS_EMPTY) == 0)
&& ((selectionMode & ADDING_ROW) == 0))
)
{
if (_oldRow == -1)
{
// if we can select the _originalRow, we'll clear the old selection
// else we'll add to the old selection
if ([tv _shouldSelectRow: _currentRow] == YES)
{
// let's clear the old selection
// this code is copied from another case
// (AM = 1, SD=0, AE=1, AR=*, first pass)
int diff, i;
int count = [_selectedRows count];
BOOL notified = NO;
diff = _currentRow - _originalRow;
if (count > 0)
{
notified = YES;
}
[tv _unselectAllRows];
if (diff >= 0)
{
for (i = _originalRow; i <= _currentRow; i++)
{
if ([tv _selectRow: i])
{
notified = YES;
}
}
}
else
{
for (i = _originalRow; i >= _currentRow; i--)
{
if ([tv _selectRow: i])
{
notified = YES;
}
}
}
}
else
{
// let's add to the old selection
// this code is copied from another case
// (AM=1, SD=1, AE=*, AR=1)
int diff, i;
BOOL notified = NO;
diff = _currentRow - _originalRow;
if (diff >= 0)
{
for (i = _originalRow; i <= _currentRow; i++)
{
if ([_selectedRows containsIndex: i] ||
[tv _selectRow: i])
{
*_selectedRow = i;
notified = YES;
}
}
}
else
{
// this case does happen (sometimes)
for (i = _originalRow; i >= _currentRow; i--)
{
if ([_selectedRows containsIndex: i] ||
[tv _selectRow: i])
{
*_selectedRow = i;
notified = YES;
}
}
}
if (notified == YES)
{
[tv _postSelectionIsChangingNotification];
}
}
}
else if ([_selectedRows containsIndex: _originalRow])
// as the originalRow is selected,
// we are in a new selection
{
// this code is copied from another case
// (AM=1, SD=0, AE=1, AR=*, after first pass)
int oldDiff, newDiff, i;
oldDiff = _oldRow - _originalRow;
newDiff = _currentRow - _originalRow;
if (oldDiff >= 0 && newDiff >= 0)
{
if (newDiff >= oldDiff)
{
BOOL notified = NO;
for (i = _oldRow + 1; i <= _currentRow; i++)
{
if ([tv _selectRow: i])
{
notified = YES;
}
}
if (notified == YES)
{
[tv _postSelectionIsChangingNotification];
}
}
else
{
BOOL notified = NO;
for (i = _oldRow; i > _currentRow; i--)
{
if ([tv _unselectRow: i])
{
notified = YES;
}
}
if (notified == YES)
{
unsigned int last = [_selectedRows lastIndex];
if (last == NSNotFound)
{
*_selectedRow = -1;
}
else
{
*_selectedRow = last;
}
[tv _postSelectionIsChangingNotification];
}
}
}
else if (oldDiff <= 0 && newDiff <= 0)
{
if (newDiff <= oldDiff)
// we're extending the selection
{
BOOL notified = NO;
for (i = _oldRow - 1; i >= _currentRow; i--)
{
if ([tv _selectRow: i])
{
notified = YES;
}
}
if (notified == YES)
{
[tv _postSelectionIsChangingNotification];
}
}
else
// we're reducing the selection
{
BOOL notified = NO;
for (i = _oldRow; i < _currentRow; i++)
{
if ([tv _unselectRow: i])
{
notified = YES;
}
}
if (notified == YES)
{
unsigned int first = [_selectedRows firstIndex];
if (first == NSNotFound)
{
*_selectedRow = -1;
}
else
{
*_selectedRow = first;
}
[tv _postSelectionIsChangingNotification];
}
}
}
else if (oldDiff <= 0 && newDiff >= 0)
{
BOOL notified = NO;
// we're reducing the selection
for (i = _oldRow; i < _originalRow; i++)
{
if ([tv _unselectRow: i])
{
notified = YES;
}
}
// then we're extending it
for (i = _originalRow + 1; i <= _currentRow; i++)
{
if ([tv _selectRow: i])
{
notified = YES;
}
}
if (notified == YES)
{
unsigned int first = [_selectedRows firstIndex];
if (first == NSNotFound)
{
*_selectedRow = -1;
}
else
{
*_selectedRow = first;
}
[tv _postSelectionIsChangingNotification];
}
}
else if (oldDiff >= 0 && newDiff <= 0)
{
BOOL notified = NO;
// we're reducing the selection
for (i = _oldRow; i > _originalRow; i--)
{
if ([tv _unselectRow: i])
{
notified = YES;
}
}
// then we're extending it
for (i = _originalRow - 1; i >= _currentRow; i--)
{
if ([tv _selectRow: i])
{
notified = YES;
}
}
if (notified == YES)
{
unsigned int last = [_selectedRows lastIndex];
if (last == NSNotFound)
{
*_selectedRow = -1;
}
else
{
*_selectedRow = last;
}
[tv _postSelectionIsChangingNotification];
}
}
}
else
// as the originalRow is not selection,
// we are adding to the old selection
{
// this code is copied from another case
// (AM=1, SD=1, AE=*, AR=1, after first pass)
int oldDiff, newDiff, i;
oldDiff = _oldRow - _originalRow;
newDiff = _currentRow - _originalRow;
if (oldDiff >= 0 && newDiff >= 0)
{
if (newDiff >= oldDiff)
// we're extending the selection
{
BOOL notified = NO;
for (i = _oldRow + 1; i <= _currentRow; i++)
{
if ([_selectedRows containsIndex: i] ||
[tv _selectRow: i])
{
*_selectedRow = i;
notified = YES;
}
}
if (notified == YES)
{
[tv _postSelectionIsChangingNotification];
}
}
else
// we're reducing the selection
{
BOOL notified = NO;
for (i = _oldRow; i > _currentRow; i--)
{
if ([_oldSelectedRows containsIndex: i])
{
// this row was in the old selection
// leave it selected
continue;
}
if ([tv _unselectRow: i])
{
notified = YES;
}
}
if (notified == YES)
{
unsigned int last = [_selectedRows lastIndex];
if (last == NSNotFound)
{
*_selectedRow = -1;
}
else
{
*_selectedRow = last;
}
[tv _postSelectionIsChangingNotification];
}
}
}
else if (oldDiff <= 0 && newDiff <= 0)
{
if (newDiff <= oldDiff)
// we're extending the selection
{
BOOL notified = NO;
for (i = _oldRow - 1; i >= _currentRow; i--)
{
if ([_selectedRows containsIndex: i] ||
[tv _selectRow: i])
{
*_selectedRow = i;
notified = YES;
}
}
if (notified == YES)
{
[tv _postSelectionIsChangingNotification];
}
}
else
// we're reducing the selection
{
BOOL notified = NO;
for (i = _oldRow; i < _currentRow; i++)
{
if ([_oldSelectedRows containsIndex: i])
{
// this row was in the old selection
// leave it selected
continue;
}
if ([tv _unselectRow: i])
{
notified = YES;
}
}
if (notified == YES)
{
unsigned int first = [_selectedRows firstIndex];
if (first == NSNotFound)
{
*_selectedRow = -1;
}
else
{
*_selectedRow = first;
}
[tv _postSelectionIsChangingNotification];
}
}
}
else if (oldDiff <= 0 && newDiff >= 0)
{
BOOL notified = NO;
// we're reducing the selection
for (i = _oldRow; i < _originalRow; i++)
{
if ([_oldSelectedRows containsIndex: i])
{
// this row was in the old selection
// leave it selected
continue;
}
if ([tv _unselectRow: i])
{
notified = YES;
}
}
// then we're extending it
for (i = _originalRow + 1; i <= _currentRow; i++)
{
if ([_selectedRows containsIndex: i] ||
[tv _selectRow: i])
{
*_selectedRow = i;
notified = YES;
}
}
if (notified == YES)
{
unsigned int first = [_selectedRows firstIndex];
if (first == NSNotFound)
{
*_selectedRow = -1;
}
else
{
*_selectedRow = first;
}
[tv _postSelectionIsChangingNotification];
}
}
else if (oldDiff >= 0 && newDiff <= 0)
{
BOOL notified = NO;
// we're reducing the selection
for (i = _oldRow; i > _originalRow; i--)
{
if ([_oldSelectedRows containsIndex: i])
{
// this row was in the old selection
// leave it selected
continue;
}
if ([tv _unselectRow: i])
{
notified = YES;
}
}
// then we're extending it
for (i = _originalRow - 1; i >= _currentRow; i--)
{
if ([_selectedRows containsIndex: i] ||
[tv _selectRow: i])
{
*_selectedRow = i;
notified = YES;
}
}
if (notified == YES)
{
unsigned int last = [_selectedRows lastIndex];
if (last == NSNotFound)
{
*_selectedRow = -1;
}
else
{
*_selectedRow = last;
}
[tv _postSelectionIsChangingNotification];
}
}
}
}
else if ((selectionMode & ALLOWS_MULTIPLE)
&& (selectionMode & SHIFT_DOWN)
&& (selectionMode & ALLOWS_EMPTY)
&& ((selectionMode & ADDING_ROW) == 0))
{
if (_oldRow == -1)
// this is the first pass
{
int diff, i;
BOOL notified = NO;
diff = _currentRow - _originalRow;
if (diff >= 0)
{
for (i = _originalRow; i <= _currentRow; i++)
{
if ([tv _unselectRow: i])
{
notified = YES;
}
}
if (notified
&& (*_selectedRow >= _originalRow)
&& (*_selectedRow <= _currentRow))
{
unsigned int first = [_selectedRows firstIndex];
if (first == NSNotFound)
{
*_selectedRow = -1;
}
else
{
*_selectedRow = first;
}
}
}
else
{
// this case does happen (sometimes)
for (i = _originalRow; i >= _currentRow; i--)
{
if ([tv _unselectRow: i])
{
notified = YES;
}
}
if (notified
&& (*_selectedRow >= _originalRow)
&& (*_selectedRow <= _currentRow))
{
unsigned int first = [_selectedRows firstIndex];
if (first == NSNotFound)
{
*_selectedRow = -1;
}
else
{
*_selectedRow = first;
}
}
}
if (notified == YES)
{
[tv _postSelectionIsChangingNotification];
}
}
else // new multiple antiselection, after first pass
{
int oldDiff, newDiff, i;
oldDiff = _oldRow - _originalRow;
newDiff = _currentRow - _originalRow;
if (oldDiff >= 0 && newDiff >= 0)
{
if (newDiff >= oldDiff)
// we're extending the antiselection
{
BOOL notified = NO;
for (i = _oldRow + 1; i <= _currentRow; i++)
{
if ([tv _unselectRow: i])
{
notified = YES;
}
}
if (notified
&& (*_selectedRow > _oldRow)
&& (*_selectedRow <= _currentRow))
{
unsigned int first = [_selectedRows firstIndex];
if (first == NSNotFound)
{
*_selectedRow = -1;
}
else
{
*_selectedRow = first;
}
}
if (notified == YES)
{
[tv _postSelectionIsChangingNotification];
}
}
else
// we're reducing the selection
{
BOOL notified = NO;
for (i = _oldRow; i > _currentRow; i--)
{
if ([_oldSelectedRows containsIndex: i])
{
// this row was in the old selection
// select it
[tv setNeedsDisplayInRect: [tv rectOfRow: i]];
[_selectedRows addIndex: i];
*_selectedRow = i;
notified = YES;
}
}
if (notified == YES)
{
[tv _postSelectionIsChangingNotification];
}
}
}
else if (oldDiff <= 0 && newDiff <= 0)
{
if (newDiff <= oldDiff)
// we're extending the selection
{
BOOL notified = NO;
for (i = _oldRow - 1; i >= _currentRow; i--)
{
if ([tv _unselectRow: i])
{
notified = YES;
}
}
if (notified
&& (*_selectedRow < _oldRow)
&& (*_selectedRow >= _currentRow))
{
unsigned int first = [_selectedRows firstIndex];
if (first == NSNotFound)
{
*_selectedRow = -1;
}
else
{
*_selectedRow = first;
}
}
if (notified == YES)
{
[tv _postSelectionIsChangingNotification];
}
}
else
// we're reducing the selection
{
BOOL notified = NO;
for (i = _oldRow; i < _currentRow; i++)
{
if ([_oldSelectedRows containsIndex: i])
{
// this row was in the old selection
// select it
[tv setNeedsDisplayInRect:
[tv rectOfRow: i]];
[_selectedRows addIndex: i];
*_selectedRow = i;
notified = YES;
}
}
if (notified == YES)
{
[tv _postSelectionIsChangingNotification];
}
}
}
else if (oldDiff <= 0 && newDiff >= 0)
{
BOOL notified = NO;
// we're reducing the selection
{
for (i = _oldRow; i < _originalRow; i++)
{
if ([_oldSelectedRows containsIndex: i])
{
// this row was in the old selection
// select it
[tv setNeedsDisplayInRect:
[tv rectOfRow: i]];
[_selectedRows addIndex: i];
*_selectedRow = i;
notified = YES;
}
}
}
// then we're extending it
{
for (i = _originalRow + 1; i <= _currentRow; i++)
{
if ([tv _unselectRow: i])
{
notified = YES;
}
}
}
if (notified
&& (*_selectedRow > _oldRow)
&& (*_selectedRow <= _currentRow))
{
unsigned int first = [_selectedRows firstIndex];
if (first == NSNotFound)
{
*_selectedRow = -1;
}
else
{
*_selectedRow = first;
}
}
if (notified == YES)
{
[tv _postSelectionIsChangingNotification];
}
}
else if (oldDiff >= 0 && newDiff <= 0)
{
BOOL notified = NO;
// we're reducing the selection
{
for (i = _oldRow; i > _originalRow; i--)
{
if ([_oldSelectedRows containsIndex: i])
{
// this row was in the old selection
// select it
[tv setNeedsDisplayInRect:
[tv rectOfRow: i]];
[_selectedRows addIndex: i];
*_selectedRow = i;
notified = YES;
}
}
}
// then we're extending it
{
for (i = _originalRow - 1; i >= _currentRow; i--)
{
if ([tv _unselectRow: i])
{
notified = YES;
}
}
}
if (notified
&& (*_selectedRow > _oldRow)
&& (*_selectedRow <= _currentRow))
{
unsigned int first = [_selectedRows firstIndex];
if (first == NSNotFound)
{
*_selectedRow = -1;
}
else
{
*_selectedRow = first;
}
}
if (notified == YES)
{
[tv _postSelectionIsChangingNotification];
}
}
}
}
else if ((selectionMode & ALLOWS_MULTIPLE)
&& (selectionMode & SHIFT_DOWN)
&& ((selectionMode & ALLOWS_EMPTY) == 0)
&& ((selectionMode & ADDING_ROW) == 0))
{
if (_oldRow == -1)
// this is the first pass
{
int diff, i;
int count = [_selectedRows count];
BOOL notified = NO;
diff = _currentRow - _originalRow;
if (diff >= 0)
{
for (i = _originalRow; i <= _currentRow; i++)
{
if ((count > 1) && [tv _unselectRow: i])
{
notified = YES;
count--;
}
}
if (notified
&& (*_selectedRow >= _originalRow)
&& (*_selectedRow <= _currentRow))
{
unsigned int first = [_selectedRows firstIndex];
if (first == NSNotFound)
{
NSLog(@"error!");
*_selectedRow = -1;
}
else
{
*_selectedRow = first;
}
}
}
else
{
// this case does happen (sometimes)
for (i = _originalRow; i >= _currentRow; i--)
{
if ((count > 1) && [tv _unselectRow: i])
{
notified = YES;
count--;
}
}
if (notified
&& (*_selectedRow >= _originalRow)
&& (*_selectedRow <= _currentRow))
{
unsigned int first = [_selectedRows firstIndex];
if (first == NSNotFound)
{
NSLog(@"error!");
*_selectedRow = -1;
}
else
{
*_selectedRow = first;
}
}
}
if (notified == YES)
{
[tv _postSelectionIsChangingNotification];
}
}
else // new multiple antiselection, after first pass
{
int oldDiff, newDiff, i;
int count = [_selectedRows count];
oldDiff = _oldRow - _originalRow;
newDiff = _currentRow - _originalRow;
if (oldDiff >= 0 && newDiff >= 0)
{
if (newDiff >= oldDiff)
// we're extending the antiselection
{
BOOL notified = NO;
for (i = _oldRow + 1; i <= _currentRow; i++)
{
if ((count > 1) && [tv _unselectRow: i])
{
notified = YES;
count--;
}
}
if (notified
&& (*_selectedRow > _oldRow)
&& (*_selectedRow <= _currentRow))
{
unsigned int first = [_selectedRows firstIndex];
if (first == NSNotFound)
{
NSLog(@"error!");
*_selectedRow = -1;
}
else
{
*_selectedRow = first;
}
}
if (notified == YES)
{
[tv _postSelectionIsChangingNotification];
}
}
else
// we're reducing the selection
{
BOOL notified = NO;
for (i = _oldRow; i > _currentRow; i--)
{
if (([_oldSelectedRows containsIndex: i]))
{
// this row was in the old selection
// select it
if ([tv _selectUnselectedRow: i])
{
notified = YES;
}
}
}
if (notified == YES)
{
[tv _postSelectionIsChangingNotification];
}
}
}
else if (oldDiff <= 0 && newDiff <= 0)
{
if (newDiff <= oldDiff)
// we're extending the selection
{
BOOL notified = NO;
for (i = _oldRow - 1; i >= _currentRow; i--)
{
if ((count > 1) && [tv _unselectRow: i])
{
notified = YES;
count--;
}
}
if (notified
&& (*_selectedRow < _oldRow)
&& (*_selectedRow >= _currentRow))
{
unsigned int first = [_selectedRows firstIndex];
if (first == NSNotFound)
{
NSLog(@"error!");
*_selectedRow = -1;
}
else
{
*_selectedRow = first;
}
}
if (notified == YES)
{
[tv _postSelectionIsChangingNotification];
}
}
else
// we're reducing the selection
{
BOOL notified = NO;
for (i = _oldRow; i < _currentRow; i++)
{
if ([_oldSelectedRows containsIndex: i])
{
// this row was in the old selection
// select it
if ([tv _selectUnselectedRow: i])
{
notified = YES;
}
count++;
}
}
if (notified == YES)
{
[tv _postSelectionIsChangingNotification];
}
}
}
else if (oldDiff <= 0 && newDiff >= 0)
{
BOOL notified = NO;
// we're reducing the selection
{
for (i = _oldRow; i < _originalRow; i++)
{
if ([_oldSelectedRows containsIndex: i])
{
// this row was in the old selection
// select it
if ([tv _selectUnselectedRow: i])
{
notified = YES;
}
}
}
}
// then we're extending it
{
for (i = _originalRow + 1; i <= _currentRow; i++)
{
if ((count > 1) && [tv _unselectRow: i])
{
notified = YES;
count--;
}
}
}
if (notified
&& (*_selectedRow > _oldRow)
&& (*_selectedRow <= _currentRow))
{
unsigned int first = [_selectedRows firstIndex];
if (first == NSNotFound)
{
NSLog(@"error!");
*_selectedRow = -1;
}
else
{
*_selectedRow = first;
}
}
if (notified == YES)
{
[tv _postSelectionIsChangingNotification];
}
}
else if (oldDiff >= 0 && newDiff <= 0)
{
BOOL notified = NO;
// we're reducing the selection
{
for (i = _oldRow; i > _originalRow; i--)
{
if ([_oldSelectedRows containsIndex: i])
{
// this row was in the old selection
// select it
if ([tv _selectUnselectedRow: i])
{
notified = YES;
}
}
}
}
// then we're extending it
{
for (i = _originalRow - 1; i >= _currentRow; i--)
{
if ((count > 1) && [tv _unselectRow: i])
{
notified = YES;
count--;
}
}
}
if (notified
&& (*_selectedRow > _oldRow)
&& (*_selectedRow <= _currentRow))
{
unsigned int first = [_selectedRows firstIndex];
if (first == NSNotFound)
{
NSLog(@"error!");
*_selectedRow = -1;
}
else
{
*_selectedRow = first;
}
}
if (notified == YES)
{
[tv _postSelectionIsChangingNotification];
}
}
}
}
}
static inline BOOL
_isCellEditable (id delegate, NSArray *tableColumns,
NSTableView *tableView, int row, int column)
{
{
NSTableColumn *tb;
tb = [tableColumns objectAtIndex: column];
if ([tableView _shouldEditTableColumn: tb
row: row] == NO)
{
return NO;
}
}
return YES;
}
@interface GSTableCornerView : NSView
{}
@end
@implementation GSTableCornerView
- (void) drawRect: (NSRect)aRect
{
NSRect divide = NSMakeRect (aRect.origin.x, aRect.origin.y, aRect.size.width, 1);
NSRect rect = aRect;
rect.origin.y += 1;
rect.size.height -= 1;
[[NSColor blackColor] set];
NSRectFill (divide);
rect = [GSDrawFunctions drawDarkButton: rect :aRect];
[[NSColor controlShadowColor] set];
NSRectFill (rect);
}
@end
@interface NSTableView (TableViewInternalPrivate)
- (void) _setSelectingColumns: (BOOL)flag;
- (BOOL) _editNextEditableCellAfterRow: (int)row
column: (int)column;
- (BOOL) _editPreviousEditableCellBeforeRow: (int)row
column: (int)column;
- (void) _autosaveTableColumns;
- (void) _autoloadTableColumns;
@end
@implementation NSTableView
+ (void) initialize
{
if (self == [NSTableView class])
{
[self setVersion: currentVersion];
nc = [NSNotificationCenter defaultCenter];
}
}
/*
* Initializing/Releasing
*/
- (id) initWithFrame: (NSRect)frameRect
{
self = [super initWithFrame: frameRect];
_drawsGrid = YES;
_rowHeight = 16.0;
_intercellSpacing = NSMakeSize (5.0, 2.0);
ASSIGN (_gridColor, [NSColor gridColor]);
ASSIGN (_backgroundColor, [NSColor controlBackgroundColor]);
ASSIGN (_tableColumns, [NSMutableArray array]);
ASSIGN (_selectedColumns, [NSMutableIndexSet indexSet]);
ASSIGN (_selectedRows, [NSMutableIndexSet indexSet]);
_allowsEmptySelection = YES;
_allowsMultipleSelection = NO;
_allowsColumnSelection = YES;
_allowsColumnResizing = YES;
_allowsColumnReordering = YES;
_autoresizesAllColumnsToFit = NO;
_editedColumn = -1;
_editedRow = -1;
_selectedColumn = -1;
_selectedRow = -1;
_highlightedTableColumn = nil;
_headerView = [NSTableHeaderView new];
[_headerView setFrameSize: NSMakeSize (frameRect.size.width, 22.0)];
[_headerView setTableView: self];
_cornerView = [GSTableCornerView new];
[self tile];
return self;
}
- (void) dealloc
{
[self abortEditing];
RELEASE (_gridColor);
RELEASE (_backgroundColor);
RELEASE (_tableColumns);
RELEASE (_selectedColumns);
RELEASE (_selectedRows);
TEST_RELEASE (_headerView);
TEST_RELEASE (_cornerView);
if (_autosaveTableColumns == YES)
{
[nc removeObserver: self
name: NSTableViewColumnDidResizeNotification
object: self];
}
TEST_RELEASE (_autosaveName);
if (_numberOfColumns > 0)
{
NSZoneFree (NSDefaultMallocZone (), _columnOrigins);
}
if (_delegate != nil)
{
[nc removeObserver: _delegate name: nil object: self];
_delegate = nil;
}
[super dealloc];
}
- (BOOL) isFlipped
{
return YES;
}
/*
* Table Dimensions
*/
- (int) numberOfColumns
{
return _numberOfColumns;
}
- (int) numberOfRows
{
return _numberOfRows;
}
/*
* Columns
*/
- (void) addTableColumn: (NSTableColumn *)aColumn
{
[aColumn setTableView: self];
[_tableColumns addObject: aColumn];
_numberOfColumns++;
if (_numberOfColumns > 1)
{
_columnOrigins = NSZoneRealloc (NSDefaultMallocZone (), _columnOrigins,
(sizeof (float)) * _numberOfColumns);
}
else
{
_columnOrigins = NSZoneMalloc (NSDefaultMallocZone (), sizeof (float));
}
[self tile];
}
- (void) removeTableColumn: (NSTableColumn *)aColumn
{
int columnIndex = [self columnWithIdentifier: [aColumn identifier]];
if (columnIndex == -1)
{
NSLog (@"Warning: Tried to remove not-existent column from table");
return;
}
/* Remove selection on this column */
[self deselectColumn: columnIndex];
/* Shift column indexes on the right by one */
if (_selectedColumn > columnIndex)
{
_selectedColumn--;
}
[_selectedColumns removeIndex: columnIndex];
/* Now really remove the column */
/* NB: Set table view to nil before removing the column from the
array, because removing it from the array could deallocate it ! */
[aColumn setTableView: nil];
[_tableColumns removeObject: aColumn];
_numberOfColumns--;
if (_numberOfColumns > 0)
{
_columnOrigins = NSZoneRealloc (NSDefaultMallocZone (), _columnOrigins,
(sizeof (float)) * _numberOfColumns);
}
else
{
NSZoneFree (NSDefaultMallocZone (), _columnOrigins);
}
[self tile];
}
- (void) moveColumn: (int)columnIndex toColumn: (int)newIndex
{
/* The range of columns which need to be shifted,
extremes included */
int minRange, maxRange;
/* Amount of shift for these columns */
int shift;
BOOL selected = NO;
if ((columnIndex < 0) || (columnIndex > (_numberOfColumns - 1)))
{
NSLog (@"Attempt to move column outside table");
return;
}
if ((newIndex < 0) || (newIndex > (_numberOfColumns - 1)))
{
NSLog (@"Attempt to move column to outside table");
return;
}
if (columnIndex == newIndex)
return;
if (columnIndex > newIndex)
{
minRange = newIndex;
maxRange = columnIndex - 1;
shift = +1;
}
else // columnIndex < newIndex
{
minRange = columnIndex + 1;
maxRange = newIndex;
shift = -1;
}
/* Rearrange selection */
if (_selectedColumn == columnIndex)
{
_selectedColumn = newIndex;
}
else if ((_selectedColumn >= minRange) && (_selectedColumn <= maxRange))
{
_selectedColumn += shift;
}
if ([_selectedColumns containsIndex: columnIndex])
{
selected = YES;
}
[_selectedColumns shiftIndexesStartingAtIndex: columnIndex + 1 by: -1];
[_selectedColumns shiftIndexesStartingAtIndex: newIndex by: 1];
if (selected)
{
[_selectedColumns addIndex: newIndex];
}
/* Now really move the column */
if (columnIndex < newIndex)
{
[_tableColumns insertObject: [_tableColumns objectAtIndex: columnIndex]
atIndex: newIndex + 1];
[_tableColumns removeObjectAtIndex: columnIndex];
}
else
{
[_tableColumns insertObject: [_tableColumns objectAtIndex: columnIndex]
atIndex: newIndex];
[_tableColumns removeObjectAtIndex: columnIndex + 1];
}
/* Tile */
[self tile];
/* Post notification */
[self _postColumnDidMoveNotificationWithOldIndex: columnIndex
newIndex: newIndex];
[self _autosaveTableColumns];
}
- (NSArray *) tableColumns
{
return AUTORELEASE ([_tableColumns mutableCopyWithZone:
NSDefaultMallocZone ()]);
}
- (int) columnWithIdentifier: (id)identifier
{
NSEnumerator *enumerator = [_tableColumns objectEnumerator];
NSTableColumn *tb;
int return_value = 0;
while ((tb = [enumerator nextObject]) != nil)
{
if ([[tb identifier] isEqual: identifier])
return return_value;
else
return_value++;
}
return -1;
}
- (NSTableColumn *) tableColumnWithIdentifier:(id)anObject
{
int indexOfColumn = [self columnWithIdentifier: anObject];
if (indexOfColumn == -1)
return nil;
else
return [_tableColumns objectAtIndex: indexOfColumn];
}
/*
* Data Source
*/
- (id) dataSource
{
return _dataSource;
}
- (void) setDataSource: (id)anObject
{
/* Used only for readability */
const SEL sel_a = @selector (numberOfRowsInTableView:);
const SEL sel_b = @selector (tableView:objectValueForTableColumn:row:);
const SEL sel_c = @selector(tableView:setObjectValue:forTableColumn:row:);
if (anObject && [anObject respondsToSelector: sel_a] == NO)
{
[NSException
raise: NSInternalInconsistencyException
format: @"Data Source doesn't respond to numberOfRowsInTableView:"];
}
if (anObject && [anObject respondsToSelector: sel_b] == NO)
{
[NSException raise: NSInternalInconsistencyException
format: @"Data Source doesn't respond to "
@"tableView:objectValueForTableColumn:row:"];
}
_dataSource_editable = [anObject respondsToSelector: sel_c];
/* We do *not* retain the dataSource, it's like a delegate */
_dataSource = anObject;
[self tile];
[self reloadData];
}
/*
* Loading data
*/
- (void) reloadData
{
[self noteNumberOfRowsChanged];
[self setNeedsDisplay: YES];
}
/*
* Target-action
*/
- (void) setAction: (SEL)aSelector
{
_action = aSelector;
}
- (SEL) action
{
return _action;
}
- (void) setDoubleAction: (SEL)aSelector
{
_doubleAction = aSelector;
}
- (SEL) doubleAction
{
return _doubleAction;
}
- (void) setTarget:(id)anObject
{
_target = anObject;
}
- (id) target
{
return _target;
}
- (int) clickedColumn
{
return _clickedColumn;
}
- (int) clickedRow
{
return _clickedRow;
}
/*
* The NSTableHeaderView calls this method when it receives a double click.
*/
- (void) _sendDoubleActionForColumn: (int)columnIndex
{
_clickedColumn = columnIndex;
_clickedRow = -1;
[self sendAction: _doubleAction to: _target];
}
/*
* And this when it gets a simple click which turns out to be for
* selecting/deselecting a column.
*/
- (void) _selectColumn: (int)columnIndex
modifiers: (unsigned int)modifiers
{
if (_allowsColumnSelection == NO)
{
return;
}
if ([self isColumnSelected: columnIndex] == YES)
{
if (([_selectedColumns count] == 1) && (_allowsEmptySelection == NO))
{
return;
}
if ([self _shouldSelectionChange] == NO)
{
return;
}
if (_selectingColumns == NO)
{
[self _setSelectingColumns: YES];
}
[self deselectColumn: columnIndex];
return;
}
else // column is not selected
{
BOOL newSelection;
if ((modifiers & (NSShiftKeyMask | NSAlternateKeyMask))
&& _allowsMultipleSelection)
{
newSelection = NO;
}
else
{
newSelection = YES;
}
if (([_selectedColumns count] > 0) && (_allowsMultipleSelection == NO)
&& (newSelection == NO))
{
return;
}
if ([self _shouldSelectionChange] == NO)
{
return;
}
{
NSTableColumn *tc = [_tableColumns objectAtIndex: columnIndex];
if ([self _shouldSelectTableColumn: tc] == NO)
{
return;
}
}
if (_selectingColumns == NO)
{
[self _setSelectingColumns: YES];
}
if (newSelection == YES)
{
/* No shift or alternate key pressed: clear the old selection */
[self selectColumn: columnIndex byExtendingSelection: NO];
}
else
{
/* Simply add to the old selection */
[self selectColumn: columnIndex byExtendingSelection: YES];
}
}
}
/*
*Configuration
*/
- (void) setAllowsColumnReordering: (BOOL)flag
{
_allowsColumnReordering = flag;
}
- (BOOL) allowsColumnReordering
{
return _allowsColumnReordering;
}
- (void) setAllowsColumnResizing: (BOOL)flag
{
_allowsColumnResizing = flag;
}
- (BOOL) allowsColumnResizing
{
return _allowsColumnResizing;
}
- (void) setAllowsMultipleSelection: (BOOL)flag
{
_allowsMultipleSelection = flag;
}
- (BOOL) allowsMultipleSelection
{
return _allowsMultipleSelection;
}
- (void) setAllowsEmptySelection: (BOOL)flag
{
_allowsEmptySelection = flag;
}
- (BOOL) allowsEmptySelection
{
return _allowsEmptySelection;
}
- (void) setAllowsColumnSelection: (BOOL)flag
{
_allowsColumnSelection = flag;
}
- (BOOL) allowsColumnSelection
{
return _allowsColumnSelection;
}
/*
* Drawing Attributes
*/
- (void) setIntercellSpacing: (NSSize)aSize
{
_intercellSpacing = aSize;
[self setNeedsDisplay: YES];
}
- (NSSize) intercellSpacing
{
return _intercellSpacing;
}
- (void) setRowHeight: (float)rowHeight
{
_rowHeight = rowHeight;
[self tile];
}
- (float) rowHeight
{
return _rowHeight;
}
- (void) setBackgroundColor: (NSColor *)aColor
{
ASSIGN (_backgroundColor, aColor);
}
- (NSColor *) backgroundColor
{
return _backgroundColor;
}
- (void) setUsesAlternatingRowBackgroundColors: (BOOL)useAlternatingRowColors
{
// FIXME
}
- (BOOL) usesAlternatingRowBackgroundColors
{
// FIXME
return NO;
}
/*
* Selecting Columns and Rows
*/
- (void) selectColumn: (int)columnIndex
byExtendingSelection: (BOOL)flag
{
if (columnIndex < 0 || columnIndex > _numberOfColumns)
{
[NSException raise: NSInvalidArgumentException
format: @"Column index out of table in selectColumn"];
}
_selectingColumns = YES;
if (flag == NO)
{
/* If the current selection is the one we want, just ends editing
* This is not just a speed up, it prevents us from sending
* a NSTableViewSelectionDidChangeNotification.
* This behaviour is required by the specifications */
if ([_selectedColumns count] == 1
&& [_selectedColumns containsIndex: columnIndex] == YES)
{
/* Stop editing if any */
if (_textObject != nil)
{
[self validateEditing];
[self abortEditing];
}
return;
}
/* If _numberOfColumns == 1, we can skip trying to deselect the
only column - because we have been called to select it. */
if (_numberOfColumns > 1)
{
[self _unselectAllColumns];
}
}
else // flag == YES
{
if (_allowsMultipleSelection == NO)
{
[NSException raise: NSInternalInconsistencyException
format: @"Can not extend selection in table view when multiple selection is disabled"];
}
}
/* Stop editing if any */
if (_textObject != nil)
{
[self validateEditing];
[self abortEditing];
}
/* Now select the column and post notification only if needed */
if ([_selectedColumns containsIndex: columnIndex] == NO)
{
[_selectedColumns addIndex: columnIndex];
_selectedColumn = columnIndex;
[self setNeedsDisplayInRect: [self rectOfColumn: columnIndex]];
if (_headerView)
{
[_headerView setNeedsDisplayInRect:
[_headerView headerRectOfColumn: columnIndex]];
}
[self _postSelectionDidChangeNotification];
}
else /* Otherwise simply change the last selected column */
{
_selectedColumn = columnIndex;
}
}
- (void) selectRow: (int)rowIndex
byExtendingSelection: (BOOL)flag
{
if (rowIndex < 0 || rowIndex >= _numberOfRows)
{
[NSException raise: NSInvalidArgumentException
format: @"Row index out of table in selectRow"];
}
if (_selectingColumns)
{
_selectingColumns = NO;
if (_headerView)
{
[_headerView setNeedsDisplay: YES];
}
}
if (flag == NO)
{
/* If the current selection is the one we want, just ends editing
* This is not just a speed up, it prevents us from sending
* a NSTableViewSelectionDidChangeNotification.
* This behaviour is required by the specifications */
if ([_selectedRows count] == 1
&& [_selectedRows containsIndex: rowIndex] == YES)
{
/* Stop editing if any */
if (_textObject != nil)
{
[self validateEditing];
[self abortEditing];
}
return;
}
/* If _numberOfRows == 1, we can skip trying to deselect the
only row - because we have been called to select it. */
if (_numberOfRows > 1)
{
[self _unselectAllRows];
}
}
else // flag == YES
{
if (_allowsMultipleSelection == NO)
{
[NSException raise: NSInternalInconsistencyException
format: @"Can not extend selection in table view when multiple selection is disabled"];
}
}
/* Stop editing if any */
if (_textObject != nil)
{
[self validateEditing];
[self abortEditing];
}
/* Now select the row and post notification only if needed */
if ([self _selectUnselectedRow: rowIndex])
{
[self _postSelectionDidChangeNotification];
}
else /* Otherwise simply change the last selected row */
{
_selectedRow = rowIndex;
}
}
- (void) selectColumnIndexes: (NSIndexSet *)indexes byExtendingSelection: (BOOL)extend
{
BOOL empty = ([indexes firstIndex] == NSNotFound);
BOOL changed = NO;
unsigned int col;
if (!_selectingColumns)
{
_selectingColumns = YES;
if (_headerView)
{
[_headerView setNeedsDisplay: YES];
}
}
/* Stop editing if any */
if (_textObject != nil)
{
[self validateEditing];
[self abortEditing];
}
if (extend == NO)
{
/* If the current selection is the one we want, just ends editing
* This is not just a speed up, it prevents us from sending
* a NSTableViewSelectionDidChangeNotification.
* This behaviour is required by the specifications */
if ([_selectedColumns isEqualToIndexSet: indexes])
{
if (!empty)
{
_selectedColumn = [indexes lastIndex];
}
return;
}
[self _unselectAllColumns];
changed = YES;
}
if (!empty)
{
if ([indexes lastIndex] >= _numberOfColumns)
{
[NSException raise: NSInvalidArgumentException
format: @"Column index out of table in selectColumn"];
}
/* This check is not fully correct, as both sets may contain just
the same entry, but works according to the old specification. */
if (_allowsMultipleSelection == NO &&
[_selectedColumns count] + [indexes count] > 1)
{
[NSException raise: NSInternalInconsistencyException
format: @"Can not set multiple selection in table view when multiple selection is disabled"];
}
col = [indexes firstIndex];
while (col != NSNotFound)
{
if (![_selectedColumns containsIndex: col])
{
[self setNeedsDisplayInRect: [self rectOfColumn: col]];
if (_headerView)
{
[_headerView setNeedsDisplayInRect:
[_headerView headerRectOfColumn: col]];
}
changed = YES;
}
col = [indexes indexGreaterThanIndex: col];
}
[_selectedColumns addIndexes: indexes];
_selectedColumn = [indexes lastIndex];
}
if (changed)
{
[self _postSelectionDidChangeNotification];
}
}
- (void) selectRowIndexes: (NSIndexSet *)indexes byExtendingSelection: (BOOL)extend
{
BOOL empty = ([indexes firstIndex] == NSNotFound);
BOOL changed = NO;
unsigned int row;
if (_selectingColumns)
{
_selectingColumns = NO;
if (_headerView)
{
[_headerView setNeedsDisplay: YES];
}
}
/* Stop editing if any */
if (_textObject != nil)
{
[self validateEditing];
[self abortEditing];
}
if (extend == NO)
{
/* If the current selection is the one we want, just ends editing
* This is not just a speed up, it prevents us from sending
* a NSTableViewSelectionDidChangeNotification.
* This behaviour is required by the specifications */
if ([_selectedRows isEqualToIndexSet: indexes])
{
if (!empty)
{
_selectedRow = [indexes lastIndex];
}
return;
}
[self _unselectAllRows];
changed = YES;
}
if (!empty)
{
if ([indexes lastIndex] >= _numberOfRows)
{
[NSException raise: NSInvalidArgumentException
format: @"Row index out of table in selectRow"];
}
/* This check is not fully correct, as both sets may contain just
the same entry, but works according to the old specification. */
if (_allowsMultipleSelection == NO &&
[_selectedRows count] + [indexes count] > 1)
{
[NSException raise: NSInternalInconsistencyException
format: @"Can not set multiple selection in table view when multiple selection is disabled"];
}
row = [indexes firstIndex];
while (row != NSNotFound)
{
if (![_selectedRows containsIndex: row])
{
[self setNeedsDisplayInRect: [self rectOfRow: row]];
}
row = [indexes indexGreaterThanIndex: row];
}
[_selectedRows addIndexes: indexes];
_selectedRow = [indexes lastIndex];
changed = YES;
}
if (changed)
{
[self _postSelectionDidChangeNotification];
}
}
- (NSIndexSet *) selectedColumnIndexes
{
return _selectedColumns;
}
- (NSIndexSet *) selectedRowIndexes
{
return _selectedRows;
}
- (void) deselectColumn: (int)columnIndex
{
if ([_selectedColumns containsIndex: columnIndex] == NO)
{
return;
}
/* Now by internal consistency we assume columnIndex is in fact a
valid column index, since it was the index of a selected column */
if (_textObject != nil)
{
[self validateEditing];
[self abortEditing];
}
_selectingColumns = YES;
[_selectedColumns removeIndex: columnIndex];
if (_selectedColumn == columnIndex)
{
unsigned int less = [_selectedColumns indexLessThanIndex: columnIndex];
unsigned int greater = [_selectedColumns indexGreaterThanIndex: columnIndex];
if (less == NSNotFound)
{
if (greater == NSNotFound)
{
_selectedColumn = -1;
}
else
{
_selectedColumn = greater;
}
}
else if (greater == NSNotFound)
{
_selectedColumn = less;
}
else if (columnIndex - less > greater - columnIndex)
{
_selectedColumn = greater;
}
else
{
_selectedColumn = less;
}
}
[self setNeedsDisplayInRect: [self rectOfColumn: columnIndex]];
if (_headerView)
{
[_headerView setNeedsDisplayInRect:
[_headerView headerRectOfColumn: columnIndex]];
}
[self _postSelectionDidChangeNotification];
}
- (void) deselectRow: (int)rowIndex
{
if ([_selectedRows containsIndex: rowIndex] == NO)
{
return;
}
if (_textObject != nil)
{
[self validateEditing];
[self abortEditing];
}
_selectingColumns = NO;
[_selectedRows removeIndex: rowIndex];
if (_selectedRow == rowIndex)
{
unsigned int less = [_selectedRows indexLessThanIndex: rowIndex];
unsigned int greater = [_selectedRows indexGreaterThanIndex: rowIndex];
if (less == NSNotFound)
{
if (greater == NSNotFound)
{
_selectedRow = -1;
}
else
{
_selectedRow = greater;
}
}
else if (greater == NSNotFound)
{
_selectedRow = less;
}
else if (rowIndex - less > greater - rowIndex)
{
_selectedRow = greater;
}
else
{
_selectedRow = less;
}
}
[self _postSelectionDidChangeNotification];
}
- (int) numberOfSelectedColumns
{
return [_selectedColumns count];
}
- (int) numberOfSelectedRows
{
return [_selectedRows count];
}
- (int) selectedColumn
{
return _selectedColumn;
}
- (int) selectedRow
{
return _selectedRow;
}
- (BOOL) isColumnSelected: (int)columnIndex
{
return [_selectedColumns containsIndex: columnIndex];
}
- (BOOL) isRowSelected: (int)rowIndex
{
return [_selectedRows containsIndex: rowIndex];
}
- (NSEnumerator *) selectedColumnEnumerator
{
return [[self _selectedColumArray] objectEnumerator];
}
- (NSEnumerator *) selectedRowEnumerator
{
return [[self _selectedRowArray] objectEnumerator];
}
- (void) selectAll: (id) sender
{
if (_allowsMultipleSelection == NO)
return;
/* Ask the delegate if we can select all columns or rows */
if (_selectingColumns == YES)
{
if ([_selectedColumns count] == (unsigned)_numberOfColumns)
{
// Nothing to do !
return;
}
{
NSEnumerator *enumerator = [_tableColumns objectEnumerator];
NSTableColumn *tb;
while ((tb = [enumerator nextObject]) != nil)
{
if ([self _shouldSelectTableColumn: tb] == NO)
{
return;
}
}
}
}
else // selecting rows
{
if ([_selectedRows count] == (unsigned)_numberOfRows)
{
// Nothing to do !
return;
}
{
int row;
for (row = 0; row < _numberOfRows; row++)
{
if ([self _shouldSelectRow: row] == NO)
return;
}
}
}
/* Stop editing if any */
if (_textObject != nil)
{
[self validateEditing];
[self abortEditing];
}
/* Do the real selection */
if (_selectingColumns == YES)
{
[_selectedColumns removeAllIndexes];
[_selectedColumns addIndexesInRange: NSMakeRange(0, _numberOfColumns)];
}
else // selecting rows
{
[_selectedRows removeAllIndexes];
[_selectedRows addIndexesInRange: NSMakeRange(0, _numberOfRows)];
}
[self _postSelectionDidChangeNotification];
}
- (void) deselectAll: (id) sender
{
if (_allowsEmptySelection == NO)
return;
if ([self _shouldSelectionChange] == NO)
{
return;
}
if (_textObject != nil)
{
[self validateEditing];
[self abortEditing];
}
if (([_selectedColumns count] > 0) || ([_selectedRows count] > 0))
{
[_selectedColumns removeAllIndexes];
[_selectedRows removeAllIndexes];
_selectedColumn = -1;
_selectedRow = -1;
_selectingColumns = NO;
[self _postSelectionDidChangeNotification];
}
else
{
_selectedColumn = -1;
_selectedRow = -1;
_selectingColumns = NO;
}
}
/*
* Grid Drawing attributes
*/
- (void) setDrawsGrid: (BOOL)flag
{
_drawsGrid = flag;
}
- (BOOL) drawsGrid
{
return _drawsGrid;
}
- (void) setGridColor: (NSColor *)aColor
{
ASSIGN (_gridColor, aColor);
}
- (NSColor *) gridColor
{
return _gridColor;
}
- (void) setGridStyleMask: (unsigned int)gridType
{
// FIXME
}
- (unsigned int) gridStyleMask
{
// FIXME
return 0;
}
/*
* Editing Cells
*/
- (BOOL) abortEditing
{
if (_textObject)
{
[_editedCell endEditing: _textObject];
DESTROY(_editedCell);
[self setNeedsDisplayInRect:
[self frameOfCellAtColumn: _editedColumn row: _editedRow]];
_editedRow = -1;
_editedColumn = -1;
_textObject = nil;
return YES;
}
else
return NO;
}
- (NSText *) currentEditor
{
if (_textObject && ([_window firstResponder] == _textObject))
return _textObject;
else
return nil;
}
- (void) validateEditing
{
if (_textObject)
{
NSFormatter *formatter;
NSString *string;
id newObjectValue;
BOOL validatedOK = YES;
formatter = [_editedCell formatter];
string = AUTORELEASE ([[_textObject text] copy]);
if (formatter == nil)
{
newObjectValue = string;
}
else
{
NSString *error;
if ([formatter getObjectValue: &newObjectValue
forString: string
errorDescription: &error] == NO)
{
if ([_delegate control: self
didFailToFormatString: string
errorDescription: error] == NO)
{
validatedOK = NO;
}
else
{
newObjectValue = string;
}
}
}
if (validatedOK == YES)
{
[_editedCell setObjectValue: newObjectValue];
if (_dataSource_editable)
{
NSTableColumn *tb;
tb = [_tableColumns objectAtIndex: _editedColumn];
[self _setObjectValue: newObjectValue
forTableColumn: tb
row: _editedRow];
//[_dataSource tableView: self setObjectValue: newObjectValue
// forTableColumn: tb row: _editedRow];
}
}
}
}
- (void) editColumn: (int) columnIndex
row: (int) rowIndex
withEvent: (NSEvent *) theEvent
select: (BOOL) flag
{
NSText *t;
NSTableColumn *tb;
NSRect drawingRect;
unsigned length = 0;
// We refuse to edit cells if the delegate can not accept results
// of editing.
if (_dataSource_editable == NO)
{
return;
}
[self scrollRowToVisible: rowIndex];
[self scrollColumnToVisible: columnIndex];
if (rowIndex < 0 || rowIndex >= _numberOfRows
|| columnIndex < 0 || columnIndex >= _numberOfColumns)
{
[NSException raise: NSInvalidArgumentException
format: @"Row/column out of index in edit"];
}
if (_textObject != nil)
{
[self validateEditing];
[self abortEditing];
}
// Now (_textObject == nil)
t = [_window fieldEditor: YES forObject: self];
if ([t superview] != nil)
{
if ([t resignFirstResponder] == NO)
{
return;
}
}
_editedRow = rowIndex;
_editedColumn = columnIndex;
// Prepare the cell
tb = [_tableColumns objectAtIndex: columnIndex];
// NB: need to be released when no longer used
_editedCell = [[tb dataCellForRow: rowIndex] copy];
[_editedCell setEditable: YES];
[_editedCell setObjectValue: [self _objectValueForTableColumn: tb
row: rowIndex]];
/* [_dataSource tableView: self
objectValueForTableColumn: tb
row: rowIndex]]; */
// We really want the correct background color!
if ([_editedCell respondsToSelector: @selector(setBackgroundColor:)])
{
[(NSTextFieldCell *)_editedCell setBackgroundColor: _backgroundColor];
}
else
{
[t setBackgroundColor: _backgroundColor];
}
// But of course the delegate can mess it up if it wants
[self _willDisplayCell: _editedCell
forTableColumn: tb
row: rowIndex];
/* Please note the important point - calling stringValue normally
causes the _editedCell to call the validateEditing method of its
control view ... which happens to be this NSTableView object :-)
but we don't want any spurious validateEditing to be performed
before the actual editing is started (otherwise you easily end up
with the table view picking up the string stored in the field
editor, which is likely to be the string resulting from the last
edit somewhere else ... getting into the bug that when you TAB
from one cell to another one, the string is copied!), so we must
call stringValue when _textObject is still nil. */
if (flag)
{
length = [[_editedCell stringValue] length];
}
_textObject = [_editedCell setUpFieldEditorAttributes: t];
drawingRect = [self frameOfCellAtColumn: columnIndex row: rowIndex];
if (flag)
{
[_editedCell selectWithFrame: drawingRect
inView: self
editor: _textObject
delegate: self
start: 0
length: length];
}
else
{
[_editedCell editWithFrame: drawingRect
inView: self
editor: _textObject
delegate: self
event: theEvent];
}
return;
}
- (int) editedRow
{
return _editedRow;
}
- (int) editedColumn
{
return _editedColumn;
}
static inline float computePeriod(NSPoint mouseLocationWin,
float minYVisible,
float maxYVisible)
{
/* We have three zones of speed.
0 - 50 pixels: period 0.2 <zone 1>
50 - 100 pixels: period 0.1 <zone 2>
100 - 150 pixels: period 0.01 <zone 3> */
float distance = 0;
if (mouseLocationWin.y < minYVisible)
{
distance = minYVisible - mouseLocationWin.y;
}
else if (mouseLocationWin.y > maxYVisible)
{
distance = mouseLocationWin.y - maxYVisible;
}
if (distance < 50)
return 0.2;
else if (distance < 100)
return 0.1;
else
return 0.01;
}
- (void) mouseDown: (NSEvent *)theEvent
{
NSPoint initialLocation = [theEvent locationInWindow];
NSPoint location;
int clickCount;
// Pathological case -- ignore mouse down
if ((_numberOfRows == 0) || (_numberOfColumns == 0))
{
[super mouseDown: theEvent];
return;
}
clickCount = [theEvent clickCount];
if (clickCount > 2)
{
return;
}
// Determine row and column which were clicked
location = [self convertPoint: initialLocation fromView: nil];
_clickedRow = [self rowAtPoint: location];
_clickedColumn = [self columnAtPoint: location];
if (clickCount == 2)
{
// Double-click event
NSTableColumn *tb;
if ([self isRowSelected: _clickedRow] == NO)
{
return;
}
tb = [_tableColumns objectAtIndex: _clickedColumn];
if (([tb isEditable] == NO) ||
([self _shouldEditTableColumn: tb
row: _clickedRow] == NO))
{
// Send double-action but don't edit
[self sendAction: _doubleAction to: _target];
}
else
{
// It is OK to edit column. Go on, do it.
[self editColumn: _clickedColumn row: _clickedRow
withEvent: theEvent select: YES];
}
}
else
{
// Selection
unsigned int modifiers = [theEvent modifierFlags];
unsigned int eventMask = (NSLeftMouseUpMask
| NSLeftMouseDownMask
| NSLeftMouseDraggedMask
| NSPeriodicMask);
unsigned selectionMode;
NSPoint mouseLocationWin;
NSPoint mouseLocationView;
NSDate *distantFuture = [NSDate distantFuture];
NSEvent *lastEvent;
NSIndexSet *oldSelectedRows;
BOOL startedPeriodicEvents = NO;
BOOL mouseUp = NO;
BOOL done = NO;
BOOL mouseMoved = NO;
BOOL draggingPossible = [self _isDraggingSource];
NSRect visibleRect = [self convertRect: [self visibleRect]
toView: nil];
float minYVisible = NSMinY (visibleRect);
float maxYVisible = NSMaxY (visibleRect);
float oldPeriod = 0;
int originalRow = _clickedRow;
int oldRow = -1;
int currentRow = -1;
selectionMode = 0;
if (_allowsMultipleSelection == YES)
{
selectionMode |= ALLOWS_MULTIPLE;
}
if (_allowsEmptySelection == YES)
{
selectionMode |= ALLOWS_EMPTY;
}
if (modifiers & NSShiftKeyMask)
{
selectionMode |= SHIFT_DOWN;
}
if (![_selectedRows containsIndex: _clickedRow])
{
selectionMode |= ADDING_ROW;
}
if (modifiers & NSControlKeyMask)
{
selectionMode |= CONTROL_DOWN;
if (_allowsMultipleSelection == YES)
{
originalRow = _selectedRow;
selectionMode |= SHIFT_DOWN;
selectionMode |= ADDING_ROW;
}
}
// is the delegate ok for a new selection ?
if ([self _shouldSelectionChange] == NO)
{
return;
}
// if we are in column selection mode, stop it
[self _setSelectingColumns: NO];
// let's sort the _selectedRows
oldSelectedRows = [_selectedRows copy];
mouseLocationView = location;
lastEvent = theEvent;
if ([self mouse: mouseLocationView inRect: _bounds])
{
NSTableColumn *tb;
NSCell *cell;
NSRect cellFrame;
id originalValue;
// Prepare the cell
tb = [_tableColumns objectAtIndex: _clickedColumn];
/* we should copy the cell here, as we do on editing.
otherwise validation on a cell being edited could
cause the cell we are selecting to get it's objectValue */
cell = [[tb dataCellForRow: _clickedRow] copy];
originalValue = RETAIN([self _objectValueForTableColumn:tb row:_clickedRow]);
[cell setObjectValue: originalValue];
cellFrame = [self frameOfCellAtColumn: _clickedColumn
row: _clickedRow];
[cell setHighlighted: YES];
[self setNeedsDisplayInRect: cellFrame];
/* give delegate a chance to i.e set target */
[self _willDisplayCell: cell
forTableColumn: tb
row: _clickedRow];
if ([cell trackMouse: lastEvent
inRect: cellFrame
ofView: self
untilMouseUp: [[cell class] prefersTrackingUntilMouseUp]])
{
id newValue = [cell objectValue];
if ([tb isEditable] && originalValue != newValue
&& ![originalValue isEqual: newValue])
{
[self _setObjectValue: newValue
forTableColumn: tb
row: _clickedRow];
}
done = YES;
currentRow = _clickedRow;
computeNewSelection(self,
oldSelectedRows,
_selectedRows,
originalRow,
oldRow,
currentRow,
&_selectedRow,
selectionMode);
}
RELEASE(originalValue);
[cell setHighlighted: NO];
RELEASE(cell);
[self setNeedsDisplayInRect: cellFrame];
lastEvent = [NSApp currentEvent];
}
while (done != YES)
{
/*
Wrap each iteration in an autorelease pool. Otherwise, we end
up allocating huge amounts of objects if the button is held
down for a long time.
*/
CREATE_AUTORELEASE_POOL(arp);
BOOL shouldComputeNewSelection = NO;
switch ([lastEvent type])
{
case NSLeftMouseUp:
mouseLocationWin = [lastEvent locationInWindow];
if ((mouseLocationWin.y > minYVisible)
&& (mouseLocationWin.y < maxYVisible))
{
// mouse dragged within table
if (startedPeriodicEvents == YES)
{
[NSEvent stopPeriodicEvents];
startedPeriodicEvents = NO;
}
mouseLocationView = [self convertPoint: mouseLocationWin
fromView: nil];
mouseLocationView.x = _bounds.origin.x;
oldRow = currentRow;
currentRow = [self rowAtPoint: mouseLocationView];
if (oldRow != currentRow)
{
shouldComputeNewSelection = YES;
}
}
else
{
// Mouse dragged out of the table
// we don't care
}
done = YES;
break;
case NSLeftMouseDown:
case NSLeftMouseDragged:
mouseLocationWin = [lastEvent locationInWindow];
mouseLocationView = [self convertPoint: mouseLocationWin
fromView: nil];
if (fabs(mouseLocationWin.x - initialLocation.x) > 1
|| fabs(mouseLocationWin.y - initialLocation.y) > 1)
{
mouseMoved = YES;
}
if (draggingPossible == YES)
{
if (mouseLocationWin.y - initialLocation.y > 2
|| mouseLocationWin.y - initialLocation.y < -2)
{
draggingPossible = NO;
}
else if (fabs(mouseLocationWin.x - initialLocation.x) >= 4)
{
NSPasteboard *pboard;
NSArray *rows;
mouseLocationView.x = _bounds.origin.x;
oldRow = currentRow;
currentRow = [self rowAtPoint: mouseLocationView];
if (![_selectedRows containsIndex: currentRow])
{
/* Mouse drag in a row that wasn't selected.
select the new row before dragging */
computeNewSelection(self,
oldSelectedRows,
_selectedRows,
originalRow,
oldRow,
currentRow,
&_selectedRow,
selectionMode);
}
rows = [self _selectedRowArray];
pboard = [NSPasteboard pasteboardWithName: NSDragPboard];
if ([self _writeRows: rows
toPasteboard: pboard] == YES)
{
NSPoint p = NSZeroPoint;
NSImage *dragImage;
NSSize s;
dragImage = [self dragImageForRows: rows
event: theEvent
dragImageOffset: &p];
/*
* Store image offset in s ... the returned
* value is the position of the center of
* the image, so we adjust to the bottom left
* corner.
*/
s = [dragImage size];
s.width = p.x - s.width/2;
s.height = p.y + s.height/2; // View is flipped
/*
* Find the current mouse location and adjust
* it to determine the location of the bottom
* left corner of the image in this view's
* coordinate system.
*/
p = [self convertPoint:
[theEvent locationInWindow] fromView: nil];
p.x += s.width;
p.y += s.height;
[self dragImage: dragImage
at: p
offset: NSMakeSize(0, 0)
event: theEvent
pasteboard: pboard
source: self
slideBack: YES];
return;
}
else
{
draggingPossible = NO;
}
}
}
else if ((mouseLocationWin.y > minYVisible)
&& (mouseLocationWin.y < maxYVisible))
{
// mouse dragged within table
if (startedPeriodicEvents == YES)
{
[NSEvent stopPeriodicEvents];
startedPeriodicEvents = NO;
}
mouseLocationView = [self convertPoint: mouseLocationWin
fromView: nil];
mouseLocationView.x = _bounds.origin.x;
oldRow = currentRow;
currentRow = [self rowAtPoint: mouseLocationView];
if (oldRow != currentRow)
{
shouldComputeNewSelection = YES;
}
}
else
{
// Mouse dragged out of the table
float period = computePeriod(mouseLocationWin,
minYVisible,
maxYVisible);
if (startedPeriodicEvents == YES)
{
/* Check - if the mouse did not change zone,
we do nothing */
if (period == oldPeriod)
break;
[NSEvent stopPeriodicEvents];
}
/* Start periodic events */
oldPeriod = period;
[NSEvent startPeriodicEventsAfterDelay: 0
withPeriod: oldPeriod];
startedPeriodicEvents = YES;
if (mouseLocationWin.y <= minYVisible)
mouseUp = NO;
else
mouseUp = YES;
}
break;
case NSPeriodic:
if (mouseUp == NO)
{
/* mouse below the table */
if (currentRow < _numberOfRows - 1)
{
oldRow = currentRow;
currentRow++;
[self scrollRowToVisible: currentRow];
if (draggingPossible == NO)
shouldComputeNewSelection = YES;
}
}
else
{
if (currentRow > 0)
{
/* mouse above the table */
oldRow = currentRow;
currentRow--;
[self scrollRowToVisible: currentRow];
if (draggingPossible == NO)
shouldComputeNewSelection = YES;
}
}
break;
default:
break;
}
if (shouldComputeNewSelection == YES)
{
computeNewSelection(self,
oldSelectedRows,
_selectedRows,
originalRow,
oldRow,
currentRow,
&_selectedRow,
selectionMode);
[self displayIfNeeded];
}
if (done == NO)
{
lastEvent = [NSApp nextEventMatchingMask: eventMask
untilDate: distantFuture
inMode: NSEventTrackingRunLoopMode
dequeue: YES];
}
DESTROY(arp);
}
if (startedPeriodicEvents == YES)
[NSEvent stopPeriodicEvents];
if (![_selectedRows isEqualToIndexSet: oldSelectedRows])
{
[self _postSelectionDidChangeNotification];
}
/* If this was a simple click (ie. no dragging), we send our action. */
if (!mouseMoved)
{
/*
_clickedRow and _clickedColumn are already set at the start of
this function.
TODO: should we ask the data source/column for the cell for this
row/column and check whether it has its own action/target?
*/
[self sendAction: _action to: _target];
}
return;
}
}
/*
* Auxiliary Components
*/
- (void) setHeaderView: (NSTableHeaderView*)aHeaderView
{
if ([_headerView respondsToSelector:@selector(setTableView:)])
[_headerView setTableView: nil];
ASSIGN (_headerView, aHeaderView);
if ([_headerView respondsToSelector:@selector(setTableView:)])
[_headerView setTableView: self];
[self tile]; // resizes corner and header views, then displays
if (_super_view != nil)
{
id ssv = [_super_view superview];
if ([ssv isKindOfClass: [NSScrollView class]])
[ssv tile]; // draws any border type over corner and header views
}
}
- (NSTableHeaderView*) headerView
{
return _headerView;
}
- (void) setCornerView: (NSView*)aView
{
ASSIGN (_cornerView, aView);
[self tile]; // resizes corner and header views, then displays
if (_super_view)
{
id ssv = [_super_view superview];
if ([ssv isKindOfClass: [NSScrollView class]])
[ssv tile]; // draws any border type over corner and header views
}
}
- (NSView*) cornerView
{
return _cornerView;
}
/*
* Layout
*/
- (NSRect) rectOfColumn: (int)columnIndex
{
NSRect rect;
if (columnIndex < 0)
{
[NSException
raise: NSInternalInconsistencyException
format: @"ColumnIndex < 0 in [NSTableView -rectOfColumn:]"];
}
if (columnIndex >= _numberOfColumns)
{
[NSException
raise: NSInternalInconsistencyException
format: @"ColumnIndex => _numberOfColumns in [NSTableView -rectOfColumn:]"];
}
rect.origin.x = _columnOrigins[columnIndex];
rect.origin.y = _bounds.origin.y;
rect.size.width = [[_tableColumns objectAtIndex: columnIndex] width];
rect.size.height = _bounds.size.height;
return rect;
}
- (NSRect) rectOfRow: (int)rowIndex
{
NSRect rect;
if (rowIndex < 0)
{
[NSException
raise: NSInternalInconsistencyException
format: @"RowIndex < 0 in [NSTableView -rectOfRow:]"];
}
if (rowIndex >= _numberOfRows)
{
[NSException
raise: NSInternalInconsistencyException
format: @"RowIndex => _numberOfRows in [NSTableView -rectOfRow:]"];
}
rect.origin.x = _bounds.origin.x;
rect.origin.y = _bounds.origin.y + (_rowHeight * rowIndex);
rect.size.width = _bounds.size.width;
rect.size.height = _rowHeight;
return rect;
}
- (NSRange) columnsInRect: (NSRect)aRect
{
NSRange range;
range.location = [self columnAtPoint: aRect.origin];
range.length = [self columnAtPoint:
NSMakePoint (NSMaxX (aRect), _bounds.origin.y)];
range.length -= range.location;
range.length += 1;
return range;
}
- (NSRange) rowsInRect: (NSRect)aRect
{
NSRange range;
range.location = [self rowAtPoint: aRect.origin];
range.length = [self rowAtPoint:
NSMakePoint (_bounds.origin.x, NSMaxY (aRect))];
range.length -= range.location;
range.length += 1;
return range;
}
- (int) columnAtPoint: (NSPoint)aPoint
{
if ((NSMouseInRect (aPoint, _bounds, YES)) == NO)
{
return -1;
}
else
{
int i = 0;
while ((i < _numberOfColumns) && (aPoint.x >= _columnOrigins[i]))
{
i++;
}
return i - 1;
}
}
- (int) rowAtPoint: (NSPoint)aPoint
{
/* NB: Y coordinate system is flipped in NSTableView */
if ((NSMouseInRect (aPoint, _bounds, YES)) == NO)
{
return -1;
}
else
{
int return_value;
aPoint.y -= _bounds.origin.y;
return_value = (int) (aPoint.y / _rowHeight);
/* This could happen if point lies on the grid line or below the last row */
if (return_value >= _numberOfRows)
{
return_value = _numberOfRows - 1;
}
return return_value;
}
}
- (NSRect) frameOfCellAtColumn: (int)columnIndex
row: (int)rowIndex
{
NSRect frameRect;
if ((columnIndex < 0)
|| (rowIndex < 0)
|| (columnIndex > (_numberOfColumns - 1))
|| (rowIndex > (_numberOfRows - 1)))
return NSZeroRect;
frameRect.origin.y = _bounds.origin.y + (rowIndex * _rowHeight);
frameRect.origin.y += _intercellSpacing.height / 2;
frameRect.size.height = _rowHeight - _intercellSpacing.height;
frameRect.origin.x = _columnOrigins[columnIndex];
frameRect.origin.x += _intercellSpacing.width / 2;
frameRect.size.width = [[_tableColumns objectAtIndex: columnIndex] width];
frameRect.size.width -= _intercellSpacing.width;
// We add some space to separate the cell from the grid
if (_drawsGrid)
{
frameRect.size.width -= 4;
frameRect.origin.x += 2;
}
// Safety check
if (frameRect.size.width < 0)
frameRect.size.width = 0;
return frameRect;
}
- (void) setAutoresizesAllColumnsToFit: (BOOL)flag
{
_autoresizesAllColumnsToFit = flag;
}
- (BOOL) autoresizesAllColumnsToFit
{
return _autoresizesAllColumnsToFit;
}
- (void) sizeLastColumnToFit
{
if ((_super_view != nil) && (_numberOfColumns > 0))
{
float excess_width;
float last_column_width;
NSTableColumn *lastColumn;
lastColumn = [_tableColumns objectAtIndex: (_numberOfColumns - 1)];
if ([lastColumn isResizable] == NO)
return;
excess_width = NSMaxX([self convertRect: [_super_view bounds]
fromView: _super_view]) - NSMaxX(_bounds);
last_column_width = [lastColumn width] + excess_width;
// This will automatically retile the table
[lastColumn setWidth: last_column_width];
}
}
- (void) setFrame: (NSRect)frameRect
{
[super setFrame: frameRect];
}
- (void) sizeToFit
{
NSTableColumn *tb;
int i, j;
float remainingWidth;
float availableWidth;
columnSorting *columnInfo;
float *currentWidth;
float *maxWidth;
float *minWidth;
BOOL *isResizable;
int numberOfCurrentColumns = 0;
float previousPoint;
float nextPoint;
float difference;
float toAddToCurrentColumns;
if ((_super_view == nil) || (_numberOfColumns == 0))
return;
columnInfo = NSZoneMalloc(NSDefaultMallocZone(),
sizeof(columnSorting) * 2
* _numberOfColumns);
currentWidth = NSZoneMalloc(NSDefaultMallocZone(),
sizeof(float) * _numberOfColumns);
maxWidth = NSZoneMalloc(NSDefaultMallocZone(),
sizeof(float) * _numberOfColumns);
minWidth = NSZoneMalloc(NSDefaultMallocZone(),
sizeof(float) * _numberOfColumns);
isResizable = NSZoneMalloc(NSDefaultMallocZone(),
sizeof(BOOL) * _numberOfColumns);
availableWidth = NSMaxX([self convertRect: [_super_view bounds]
fromView: _super_view]);
remainingWidth = availableWidth;
/*
* We store the minWidth and the maxWidth of every column
* because we'll use those values *a lot*
* At the same time we set every column to its mininum width
*/
for (i = 0; i < _numberOfColumns; i++)
{
tb = [_tableColumns objectAtIndex: i];
isResizable[i] = [tb isResizable];
if (isResizable[i] == YES)
{
minWidth[i] = [tb minWidth];
maxWidth[i] = [tb maxWidth];
if (minWidth[i] < 0)
minWidth[i] = 0;
if (minWidth[i] > maxWidth[i])
{
minWidth[i] = [tb width];
maxWidth[i] = minWidth[i];
}
columnInfo[i * 2].width = minWidth[i];
columnInfo[i * 2].isMax = 0;
currentWidth[i] = minWidth[i];
remainingWidth -= minWidth[i];
columnInfo[i * 2 + 1].width = maxWidth[i];
columnInfo[i * 2 + 1].isMax = 1;
}
else
{
minWidth[i] = [tb width];
columnInfo[i * 2].width = minWidth[i];
columnInfo[i * 2].isMax = 0;
currentWidth[i] = minWidth[i];
remainingWidth -= minWidth[i];
maxWidth[i] = minWidth[i];
columnInfo[i * 2 + 1].width = maxWidth[i];
columnInfo[i * 2 + 1].isMax = 1;
}
}
// sort the info we have
quick_sort_internal(columnInfo, 0, 2 * _numberOfColumns - 1);
previousPoint = columnInfo[0].width;
numberOfCurrentColumns = 1;
if (remainingWidth >= 0.)
{
for (i = 1; i < 2 * _numberOfColumns; i++)
{
nextPoint = columnInfo[i].width;
if (numberOfCurrentColumns > 0 &&
(nextPoint - previousPoint) > 0.)
{
int verification = 0;
if ((nextPoint - previousPoint) * numberOfCurrentColumns
<= remainingWidth)
{
toAddToCurrentColumns = nextPoint - previousPoint;
remainingWidth -=
(nextPoint - previousPoint) * numberOfCurrentColumns;
for (j = 0; j < _numberOfColumns; j++)
{
if (minWidth[j] <= previousPoint
&& maxWidth[j] >= nextPoint)
{
verification++;
currentWidth[j] += toAddToCurrentColumns;
}
}
if (verification != numberOfCurrentColumns)
{
NSLog(@"[NSTableView sizeToFit]: unexpected error");
}
}
else
{
int remainingInt = floor(remainingWidth);
int quotient = remainingInt / numberOfCurrentColumns;
int remainder = remainingInt - quotient * numberOfCurrentColumns;
int oldRemainder = remainder;
for (j = _numberOfColumns - 1; j >= 0; j--)
{
if (minWidth[j] <= previousPoint
&& maxWidth[j] >= nextPoint)
{
currentWidth[j] += quotient;
if (remainder > 0
&& maxWidth[j] >= currentWidth[j] + 1)
{
remainder--;
currentWidth[j]++;
}
}
}
while (oldRemainder > remainder && remainder > 0)
{
oldRemainder = remainder;
for (j = 0; j < _numberOfColumns; j++)
{
if (minWidth[j] <= previousPoint
&& maxWidth[j] >= nextPoint)
{
if (remainder > 0
&& maxWidth[j] >= currentWidth[j] + 1)
{
remainder--;
currentWidth[j]++;
}
}
}
}
if (remainder > 0)
NSLog(@"There is still free space to fill.\
However it seems better to use integer width for the columns");
else
remainingWidth = 0.;
}
}
else if (numberOfCurrentColumns < 0)
{
NSLog(@"[NSTableView sizeToFit]: unexpected error");
}
if (columnInfo[i].isMax)
numberOfCurrentColumns--;
else
numberOfCurrentColumns++;
previousPoint = nextPoint;
if (remainingWidth == 0.)
{
break;
}
}
}
_tilingDisabled = YES;
remainingWidth = 0.;
for (i = 0; i < _numberOfColumns; i++)
{
if (isResizable[i] == YES)
{
tb = [_tableColumns objectAtIndex: i];
remainingWidth += currentWidth[i];
[tb setWidth: currentWidth[i]];
}
else
{
remainingWidth += minWidth[i];
}
}
difference = availableWidth - remainingWidth;
_tilingDisabled = NO;
NSZoneFree(NSDefaultMallocZone(), columnInfo);
NSZoneFree(NSDefaultMallocZone(), currentWidth);
NSZoneFree(NSDefaultMallocZone(), maxWidth);
NSZoneFree(NSDefaultMallocZone(), minWidth);
NSZoneFree(NSDefaultMallocZone(), isResizable);
[self tile];
}
/*
- (void) sizeToFit
{
NSCell *cell;
NSEnumerator *enumerator;
NSTableColumn *tb;
float table_width;
float width;
float candidate_width;
int row;
_tilingDisabled = YES;
// First Step
// Resize Each Column to its Minimum Width
table_width = _bounds.origin.x;
enumerator = [_tableColumns objectEnumerator];
while ((tb = [enumerator nextObject]) != nil)
{
// Compute min width of column
width = [[tb headerCell] cellSize].width;
for (row = 0; row < _numberOfRows; row++)
{
cell = [tb dataCellForRow: row];
[cell setObjectValue: [_dataSource tableView: self
objectValueForTableColumn: tb
row: row]];
[self _willDisplayCell: cell
forTableColumn: tb
row: row];
candidate_width = [cell cellSize].width;
if (_drawsGrid)
candidate_width += 4;
if (candidate_width > width)
{
width = candidate_width;
}
}
width += _intercellSpacing.width;
[tb setWidth: width];
// It is necessary to ask the column for the width, since it might have
// been changed by the column to constrain it to a min or max width
table_width += [tb width];
}
// Second Step
// If superview (clipview) is bigger than that, divide remaining space
// between all columns
if ((_super_view != nil) && (_numberOfColumns > 0))
{
float excess_width;
excess_width = NSMaxX ([self convertRect: [_super_view bounds]
fromView: _super_view]);
excess_width -= table_width;
// Since we resized each column at its minimum width,
// it's useless to try shrinking more: we can't
if (excess_width <= 0)
{
_tilingDisabled = NO;
[self tile];
NSLog(@"exiting sizeToFit");
return;
}
excess_width = excess_width / _numberOfColumns;
enumerator = [_tableColumns objectEnumerator];
while ((tb = [enumerator nextObject]) != nil)
{
[tb setWidth: ([tb width] + excess_width)];
}
}
_tilingDisabled = NO;
[self tile];
NSLog(@"exiting sizeToFit");
}
*/
- (void) noteNumberOfRowsChanged
{
_numberOfRows = [_dataSource numberOfRowsInTableView: self];
/* If we are selecting rows, we have to check that we have no
selected rows below the new end of the table */
if (!_selectingColumns)
{
int row = [_selectedRows lastIndex];
/* Check that all selected rows are in the new range of rows */
if ((row != NSNotFound) && (row >= _numberOfRows))
{
[_selectedRows removeIndexesInRange:
NSMakeRange(_numberOfRows, row + 1 - _numberOfRows)];
if (_selectedRow >= _numberOfRows)
{
row = [_selectedRows lastIndex];
if (row != NSNotFound)
{
_selectedRow = row;
}
else
{
/* Argh - all selected rows were outside the table */
if (_allowsEmptySelection)
{
_selectedRow = -1;
}
else
{
/* We shouldn't allow empty selection - try
selecting the last row */
int lastRow = _numberOfRows - 1;
if (lastRow > -1)
{
[_selectedRows addIndex: lastRow];
_selectedRow = lastRow;
}
else
{
/* problem - there are no rows at all */
_selectedRow = -1;
}
}
}
}
}
}
[self setFrame: NSMakeRect (_frame.origin.x,
_frame.origin.y,
_frame.size.width,
(_numberOfRows * _rowHeight) + 1)];
/* If we are shorter in height than the enclosing clipview, we
should redraw us now. */
if (_super_view != nil)
{
NSRect superviewBounds; // Get this *after* [self setFrame:]
superviewBounds = [_super_view bounds];
if ((superviewBounds.origin.x <= _frame.origin.x)
&& (NSMaxY (superviewBounds) >= NSMaxY (_frame)))
{
[self setNeedsDisplay: YES];
}
}
}
- (void) tile
{
float table_width = 0;
float table_height;
if (_tilingDisabled == YES)
return;
if (_numberOfColumns > 0)
{
int i;
float width;
_columnOrigins[0] = _bounds.origin.x;
width = [[_tableColumns objectAtIndex: 0] width];
table_width += width;
for (i = 1; i < _numberOfColumns; i++)
{
_columnOrigins[i] = _columnOrigins[i - 1] + width;
width = [[_tableColumns objectAtIndex: i] width];
table_width += width;
}
}
/* + 1 for the last grid line */
table_height = (_numberOfRows * _rowHeight) + 1;
[self setFrameSize: NSMakeSize (table_width, table_height)];
[self setNeedsDisplay: YES];
if (_headerView != nil)
{
[_headerView setFrameSize:
NSMakeSize (_frame.size.width,
[_headerView frame].size.height)];
[_cornerView setFrameSize:
NSMakeSize ([NSScroller scrollerWidth] + 1,
[_headerView frame].size.height)];
[_headerView setNeedsDisplay: YES];
[_cornerView setNeedsDisplay: YES];
}
}
/*
* Drawing
*/
- (void) drawRow: (int)rowIndex clipRect: (NSRect)clipRect
{
int startingColumn;
int endingColumn;
NSTableColumn *tb;
NSRect drawingRect;
NSCell *cell;
int i;
float x_pos;
if (_dataSource == nil)
{
return;
}
/* Using columnAtPoint: here would make it called twice per row per drawn
rect - so we avoid it and do it natively */
/* Determine starting column as fast as possible */
x_pos = NSMinX (clipRect);
i = 0;
while ((i < _numberOfColumns) && (x_pos > _columnOrigins[i]))
{
i++;
}
startingColumn = (i - 1);
if (startingColumn == -1)
startingColumn = 0;
/* Determine ending column as fast as possible */
x_pos = NSMaxX (clipRect);
// Nota Bene: we do *not* reset i
while ((i < _numberOfColumns) && (x_pos > _columnOrigins[i]))
{
i++;
}
endingColumn = (i - 1);
if (endingColumn == -1)
endingColumn = _numberOfColumns - 1;
/* Draw the row between startingColumn and endingColumn */
for (i = startingColumn; i <= endingColumn; i++)
{
if (i != _editedColumn || rowIndex != _editedRow)
{
tb = [_tableColumns objectAtIndex: i];
cell = [tb dataCellForRow: rowIndex];
[self _willDisplayCell: cell
forTableColumn: tb
row: rowIndex];
[cell setObjectValue: [_dataSource tableView: self
objectValueForTableColumn: tb
row: rowIndex]];
drawingRect = [self frameOfCellAtColumn: i
row: rowIndex];
[cell drawWithFrame: drawingRect inView: self];
}
}
}
- (void) drawGridInClipRect: (NSRect)aRect
{
float minX = NSMinX (aRect);
float maxX = NSMaxX (aRect);
float minY = NSMinY (aRect);
float maxY = NSMaxY (aRect);
int i;
float x_pos;
int startingColumn;
int endingColumn;
NSGraphicsContext *ctxt = GSCurrentContext ();
float position;
int startingRow = [self rowAtPoint:
NSMakePoint (_bounds.origin.x, minY)];
int endingRow = [self rowAtPoint:
NSMakePoint (_bounds.origin.x, maxY)];
/* Using columnAtPoint:, rowAtPoint: here calls them only twice
per drawn rect */
x_pos = minX;
i = 0;
while ((i < _numberOfColumns) && (x_pos > _columnOrigins[i]))
{
i++;
}
startingColumn = (i - 1);
x_pos = maxX;
// Nota Bene: we do *not* reset i
while ((i < _numberOfColumns) && (x_pos > _columnOrigins[i]))
{
i++;
}
endingColumn = (i - 1);
if (endingColumn == -1)
endingColumn = _numberOfColumns - 1;
/*
int startingColumn = [self columnAtPoint:
NSMakePoint (minX, _bounds.origin.y)];
int endingColumn = [self columnAtPoint:
NSMakePoint (maxX, _bounds.origin.y)];
*/
DPSgsave (ctxt);
DPSsetlinewidth (ctxt, 1);
[_gridColor set];
if (_numberOfRows > 0)
{
/* Draw horizontal lines */
if (startingRow == -1)
startingRow = 0;
if (endingRow == -1)
endingRow = _numberOfRows - 1;
position = _bounds.origin.y;
position += startingRow * _rowHeight;
for (i = startingRow; i <= endingRow + 1; i++)
{
DPSmoveto (ctxt, minX, position);
DPSlineto (ctxt, maxX, position);
DPSstroke (ctxt);
position += _rowHeight;
}
}
if (_numberOfColumns > 0)
{
/* Draw vertical lines */
if (startingColumn == -1)
startingColumn = 0;
if (endingColumn == -1)
endingColumn = _numberOfColumns - 1;
for (i = startingColumn; i <= endingColumn; i++)
{
DPSmoveto (ctxt, _columnOrigins[i], minY);
DPSlineto (ctxt, _columnOrigins[i], maxY);
DPSstroke (ctxt);
}
position = _columnOrigins[endingColumn];
position += [[_tableColumns objectAtIndex: endingColumn] width];
/* Last vertical line must moved a pixel to the left */
if (endingColumn == (_numberOfColumns - 1))
position -= 1;
DPSmoveto (ctxt, position, minY);
DPSlineto (ctxt, position, maxY);
DPSstroke (ctxt);
}
DPSgrestore (ctxt);
}
- (void) highlightSelectionInClipRect: (NSRect)clipRect
{
if (_selectingColumns == NO)
{
int selectedRowsCount;
int row;
int startingRow, endingRow;
selectedRowsCount = [_selectedRows count];
if (selectedRowsCount == 0)
return;
/* highlight selected rows */
startingRow = [self rowAtPoint: NSMakePoint(0, NSMinY(clipRect))];
endingRow = [self rowAtPoint: NSMakePoint(0, NSMaxY(clipRect))];
if (startingRow == -1)
startingRow = 0;
if (endingRow == -1)
endingRow = _numberOfRows - 1;
row = [_selectedRows indexGreaterThanOrEqualToIndex: startingRow];
while ((row != NSNotFound) && (row <= endingRow))
{
//NSHighlightRect(NSIntersectionRect([self rectOfRow: row],
// clipRect));
[[NSColor whiteColor] set];
NSRectFill(NSIntersectionRect([self rectOfRow: row], clipRect));
row = [_selectedRows indexGreaterThanIndex: row];
}
}
else // Selecting columns
{
unsigned int selectedColumnsCount;
unsigned int column;
int startingColumn, endingColumn;
selectedColumnsCount = [_selectedColumns count];
if (selectedColumnsCount == 0)
return;
/* highlight selected columns */
startingColumn = [self columnAtPoint: NSMakePoint(NSMinX(clipRect), 0)];
endingColumn = [self columnAtPoint: NSMakePoint(NSMaxX(clipRect), 0)];
if (startingColumn == -1)
startingColumn = 0;
if (endingColumn == -1)
endingColumn = _numberOfColumns - 1;
column = [_selectedColumns indexGreaterThanOrEqualToIndex: startingColumn];
while ((column != NSNotFound) && (column <= endingColumn))
{
NSHighlightRect(NSIntersectionRect([self rectOfColumn: column],
clipRect));
column = [_selectedColumns indexGreaterThanIndex: column];
}
}
}
- (void) drawBackgroundInClipRect: (NSRect)clipRect
{
// FIXME
/*
[_backgroundColor set];
NSRectFill (clipRect);
*/
}
- (void) drawRect: (NSRect)aRect
{
int startingRow;
int endingRow;
int i;
/* Draw background */
[self drawBackgroundInClipRect: aRect];
if ((_numberOfRows == 0) || (_numberOfColumns == 0))
{
return;
}
/* Draw selection */
// [self highlightSelectionInClipRect: aRect];
/* Draw grid */
if (_drawsGrid)
{
[self drawGridInClipRect: aRect];
}
/* Draw visible cells */
/* Using rowAtPoint: here calls them only twice per drawn rect */
startingRow = [self rowAtPoint: NSMakePoint (0, NSMinY (aRect))];
endingRow = [self rowAtPoint: NSMakePoint (0, NSMaxY (aRect))];
if (startingRow == -1)
{
startingRow = 0;
}
if (endingRow == -1)
{
endingRow = _numberOfRows - 1;
}
// NSLog(@"drawRect : %d-%d", startingRow, endingRow);
{
SEL sel = @selector(drawRow:clipRect:);
IMP imp = [self methodForSelector: sel];
NSRect localBackground;
localBackground = aRect;
localBackground.size.height = _rowHeight;
localBackground.origin.y = _bounds.origin.y + (_rowHeight * startingRow);
for (i = startingRow; i <= endingRow; i++)
{
[_backgroundColor set];
NSRectFill (localBackground);
[self highlightSelectionInClipRect: localBackground];
if (_drawsGrid)
{
[self drawGridInClipRect: localBackground];
}
localBackground.origin.y += _rowHeight;
(*imp)(self, sel, i, aRect);
}
if (NSMaxY(aRect) > NSMaxY(localBackground) - _rowHeight)
{
[_backgroundColor set];
localBackground.size.height =
aRect.size.height - aRect.origin.y + localBackground.origin.y;
NSRectFill (localBackground);
}
}
}
- (BOOL) isOpaque
{
return YES;
}
/*
* Scrolling
*/
- (void) scrollRowToVisible: (int)rowIndex
{
if (_super_view != nil)
{
NSRect rowRect = [self rectOfRow: rowIndex];
NSRect visibleRect = [self visibleRect];
// If the row is over the top, or it is partially visible
// on top,
if ((rowRect.origin.y < visibleRect.origin.y))
{
// Then make it visible on top
NSPoint newOrigin;
newOrigin.x = visibleRect.origin.x;
newOrigin.y = rowRect.origin.y;
newOrigin = [self convertPoint: newOrigin toView: _super_view];
[(NSClipView *)_super_view scrollToPoint: newOrigin];
return;
}
// If the row is under the bottom, or it is partially visible on
// the bottom,
if (NSMaxY (rowRect) > NSMaxY (visibleRect))
{
// Then make it visible on bottom
NSPoint newOrigin;
newOrigin.x = visibleRect.origin.x;
newOrigin.y = visibleRect.origin.y;
newOrigin.y += NSMaxY (rowRect) - NSMaxY (visibleRect);
newOrigin = [self convertPoint: newOrigin toView: _super_view];
[(NSClipView *)_super_view scrollToPoint: newOrigin];
return;
}
}
}
- (void) scrollColumnToVisible: (int)columnIndex
{
if (_super_view != nil)
{
NSRect columnRect = [self rectOfColumn: columnIndex];
NSRect visibleRect = [self visibleRect];
float diff;
// If the row is out on the left, or it is partially visible
// on the left
if ((columnRect.origin.x < visibleRect.origin.x))
{
// Then make it visible on the left
NSPoint newOrigin;
newOrigin.x = columnRect.origin.x;
newOrigin.y = visibleRect.origin.y;
newOrigin = [self convertPoint: newOrigin toView: _super_view];
[(NSClipView *)_super_view scrollToPoint: newOrigin];
return;
}
diff = NSMaxX (columnRect) - NSMaxX (visibleRect);
// If the row is out on the right, or it is partially visible on
// the right,
if (diff > 0)
{
// Then make it visible on the right
NSPoint newOrigin;
newOrigin.x = visibleRect.origin.x;
newOrigin.y = visibleRect.origin.y;
newOrigin.x += diff;
newOrigin = [self convertPoint: newOrigin toView: _super_view];
[(NSClipView *)_super_view scrollToPoint: newOrigin];
return;
}
}
}
/*
* Text delegate methods
*/
- (void) textDidBeginEditing: (NSNotification *)aNotification
{
NSMutableDictionary *d;
d = [NSMutableDictionary dictionaryWithDictionary:
[aNotification userInfo]];
[d setObject: [aNotification object] forKey: @"NSFieldEditor"];
[nc postNotificationName: NSControlTextDidBeginEditingNotification
object: self
userInfo: d];
}
- (void) textDidChange: (NSNotification *)aNotification
{
NSMutableDictionary *d;
// MacOS-X asks us to inform the cell if possible.
if ((_editedCell != nil) && [_editedCell respondsToSelector:
@selector(textDidChange:)])
[_editedCell textDidChange: aNotification];
d = [NSMutableDictionary dictionaryWithDictionary:
[aNotification userInfo]];
[d setObject: [aNotification object] forKey: @"NSFieldEditor"];
[nc postNotificationName: NSControlTextDidChangeNotification
object: self
userInfo: d];
}
- (void) textDidEndEditing: (NSNotification *)aNotification
{
NSMutableDictionary *d;
id textMovement;
int row, column;
[self validateEditing];
[_editedCell endEditing: [aNotification object]];
[self setNeedsDisplayInRect:
[self frameOfCellAtColumn: _editedColumn row: _editedRow]];
_textObject = nil;
DESTROY (_editedCell);
/* Save values */
row = _editedRow;
column = _editedColumn;
/* Only then Reset them */
_editedColumn = -1;
_editedRow = -1;
d = [NSMutableDictionary dictionaryWithDictionary:
[aNotification userInfo]];
[d setObject: [aNotification object] forKey: @"NSFieldEditor"];
[nc postNotificationName: NSControlTextDidEndEditingNotification
object: self
userInfo: d];
textMovement = [[aNotification userInfo] objectForKey: @"NSTextMovement"];
if (textMovement)
{
switch ([(NSNumber *)textMovement intValue])
{
case NSReturnTextMovement:
// Send action ?
break;
case NSTabTextMovement:
if ([self _editNextEditableCellAfterRow: row column: column] == YES)
{
break;
}
[_window selectKeyViewFollowingView: self];
break;
case NSBacktabTextMovement:
if ([self _editPreviousEditableCellBeforeRow: row column: column] == YES)
{
break;
}
[_window selectKeyViewPrecedingView: self];
break;
}
}
}
- (BOOL) textShouldBeginEditing: (NSText *)textObject
{
if (_delegate && [_delegate respondsToSelector:
@selector(control:textShouldBeginEditing:)])
return [_delegate control: self
textShouldBeginEditing: textObject];
else
return YES;
}
- (BOOL) textShouldEndEditing: (NSText*)textObject
{
if ([_delegate respondsToSelector:
@selector(control:textShouldEndEditing:)])
{
if ([_delegate control: self
textShouldEndEditing: textObject] == NO)
{
NSBeep ();
return NO;
}
return YES;
}
if ([_delegate respondsToSelector:
@selector(control:isValidObject:)] == YES)
{
NSFormatter *formatter;
id newObjectValue;
formatter = [_editedCell formatter];
if ([formatter getObjectValue: &newObjectValue
forString: [_textObject text]
errorDescription: NULL] == YES)
{
if ([_delegate control: self
isValidObject: newObjectValue] == NO)
return NO;
}
}
return [_editedCell isEntryAcceptable: [textObject text]];
}
/*
* Persistence
*/
- (NSString *) autosaveName
{
return _autosaveName;
}
- (BOOL) autosaveTableColumns
{
return _autosaveTableColumns;
}
- (void) setAutosaveName: (NSString *)name
{
ASSIGN (_autosaveName, name);
[self _autoloadTableColumns];
}
- (void) setAutosaveTableColumns: (BOOL)flag
{
if (flag == _autosaveTableColumns)
{
return;
}
_autosaveTableColumns = flag;
if (flag)
{
[self _autoloadTableColumns];
[nc addObserver: self
selector: @selector(_autosaveTableColumns)
name: NSTableViewColumnDidResizeNotification
object: self];
}
else
{
[nc removeObserver: self
name: NSTableViewColumnDidResizeNotification
object: self];
}
}
/*
* Delegate
*/
- (void) setDelegate: (id)anObject
{
const SEL sel = @selector(tableView:willDisplayCell:forTableColumn:row:);
if (_delegate)
[nc removeObserver: _delegate name: nil object: self];
_delegate = anObject;
#define SET_DELEGATE_NOTIFICATION(notif_name) \
if ([_delegate respondsToSelector: @selector(tableView##notif_name:)]) \
[nc addObserver: _delegate \
selector: @selector(tableView##notif_name:) \
name: NSTableView##notif_name##Notification object: self]
SET_DELEGATE_NOTIFICATION(ColumnDidMove);
SET_DELEGATE_NOTIFICATION(ColumnDidResize);
SET_DELEGATE_NOTIFICATION(SelectionDidChange);
SET_DELEGATE_NOTIFICATION(SelectionIsChanging);
/* Cache */
_del_responds = [_delegate respondsToSelector: sel];
}
- (id) delegate
{
return _delegate;
}
/* indicator image */
- (NSImage *) indicatorImageInTableColumn: (NSTableColumn *)aTableColumn
{
// TODO
NSLog(@"Method %s is not implemented for class %s",
"indicatorImageInTableColumn:", "NSTableView");
return nil;
}
- (void) setIndicatorImage: (NSImage *)anImage
inTableColumn: (NSTableColumn *)aTableColumn
{
// TODO
NSLog(@"Method %s is not implemented for class %s",
"setIndicatorImage:inTableColumn:", "NSTableView");
}
/* highlighting columns */
- (NSTableColumn *) highlightedTableColumn
{
return _highlightedTableColumn;
}
- (void) setHighlightedTableColumn: (NSTableColumn *)aTableColumn
{
int tableColumnIndex;
tableColumnIndex = [_tableColumns indexOfObject: aTableColumn];
if (tableColumnIndex == NSNotFound)
{
NSLog(@"setHighlightedTableColumn received an invalid\
NSTableColumn object");
return;
}
// we do not need to retain aTableColumn as it is already in
// _tableColumns array
_highlightedTableColumn = aTableColumn;
[_headerView setNeedsDisplay: YES];
}
/* dragging rows */
- (NSImage*) dragImageForRows: (NSArray*)dragRows
event: (NSEvent*)dragEvent
dragImageOffset: (NSPoint*)dragImageOffset
{
NSImage *dragImage = [[NSImage alloc]
initWithSize: NSMakeSize(8, 8)];
return AUTORELEASE(dragImage);
}
- (void) setDropRow: (int)row
dropOperation: (NSTableViewDropOperation)operation
{
if (row < 0)
{
currentDropRow = 0;
}
else if (operation == NSTableViewDropOn)
{
if (row >= _numberOfRows)
currentDropRow = _numberOfRows;
}
else if (row > _numberOfRows)
{
currentDropRow = _numberOfRows;
}
else
{
currentDropRow = row;
}
currentDropOperation = operation;
}
- (void) setVerticalMotionCanBeginDrag: (BOOL)flag
{
// TODO
NSLog(@"Method %s is not implemented for class %s",
"setVerticalMotionCanBeginDrag:", "NSTableView");
}
- (BOOL) verticalMotionCanBeginDrag
{
// TODO
NSLog(@"Method %s is not implemented for class %s",
"verticalMotionCanBeginDrag", "NSTableView");
return NO;
}
/*
* Encoding/Decoding
*/
- (void) encodeWithCoder: (NSCoder*)aCoder
{
if ([aCoder allowsKeyedCoding])
{
unsigned long vFlags = 0;
NSSize intercellSpacing = [self intercellSpacing];
GSTableViewFlags tableViewFlags;
// make sure the corner view is properly encoded...
[super encodeWithCoder: aCoder];
if([self dataSource])
{
[aCoder encodeObject: [self dataSource] forKey: @"NSDataSource"];
}
if([self delegate])
{
[aCoder encodeObject: [self delegate] forKey: @"NSDelegate"];
}
if([self target])
{
[aCoder encodeObject: [self target] forKey: @"NSTarget"];
}
if([self action])
{
[aCoder encodeObject: NSStringFromSelector([self action]) forKey: @"NSAction"];
}
[aCoder encodeObject: [self backgroundColor] forKey: @"NSBackgroundColor"];
[aCoder encodeObject: [self gridColor] forKey: @"NSGridColor"];
[aCoder encodeFloat: intercellSpacing.height forKey: @"NSIntercellSpacingHeight"];
[aCoder encodeFloat: intercellSpacing.width forKey: @"NSIntercellSpacingWidth"];
[aCoder encodeFloat: [self rowHeight] forKey: @"NSRowHeight"];
[aCoder encodeObject: [self tableColumns] forKey: @"NSTableColumns"];
if(_headerView)
{
[aCoder encodeObject: _headerView forKey: @"NSHeaderView"];
}
if(_cornerView)
{
[aCoder encodeObject: _cornerView forKey: @"NSCornerView"];
}
tableViewFlags.columnSelection = [self allowsColumnSelection];
tableViewFlags.multipleSelection = [self allowsMultipleSelection];
tableViewFlags.emptySelection = [self allowsEmptySelection];
tableViewFlags.drawsGrid = [self drawsGrid];
tableViewFlags.columnResizing = [self allowsColumnResizing];
tableViewFlags.columnOrdering = [self allowsColumnReordering];
memcpy((void *)&vFlags,(void *)&tableViewFlags,sizeof(unsigned long));
// encode..
[aCoder encodeInt: vFlags forKey: @"NSTvFlags"];
}
else
{
[super encodeWithCoder: aCoder];
[aCoder encodeConditionalObject: _dataSource];
[aCoder encodeObject: _tableColumns];
[aCoder encodeObject: _gridColor];
[aCoder encodeObject: _backgroundColor];
[aCoder encodeObject: _headerView];
[aCoder encodeObject: _cornerView];
[aCoder encodeConditionalObject: _delegate];
[aCoder encodeConditionalObject: _target];
[aCoder encodeValueOfObjCType: @encode(int) at: &_numberOfRows];
[aCoder encodeValueOfObjCType: @encode(int) at: &_numberOfColumns];
[aCoder encodeValueOfObjCType: @encode(BOOL) at: &_drawsGrid];
[aCoder encodeValueOfObjCType: @encode(float) at: &_rowHeight];
[aCoder encodeValueOfObjCType: @encode(SEL) at: &_doubleAction];
[aCoder encodeSize: _intercellSpacing];
[aCoder encodeValueOfObjCType: @encode(BOOL) at: &_allowsMultipleSelection];
[aCoder encodeValueOfObjCType: @encode(BOOL) at: &_allowsEmptySelection];
[aCoder encodeValueOfObjCType: @encode(BOOL) at: &_allowsColumnSelection];
[aCoder encodeValueOfObjCType: @encode(BOOL) at: &_allowsColumnResizing];
[aCoder encodeValueOfObjCType: @encode(BOOL) at: &_allowsColumnReordering];
[aCoder encodeValueOfObjCType: @encode(BOOL) at: &_autoresizesAllColumnsToFit];
}
}
- (id) initWithCoder: (NSCoder*)aDecoder
{
self = [super initWithCoder: aDecoder];
if ([aDecoder allowsKeyedCoding])
{
NSSize intercellSpacing = [self intercellSpacing];
NSArray *columns;
NSEnumerator *e;
NSTableColumn *col;
// assign defaults, so that there's color in case none is specified
ASSIGN (_gridColor, [NSColor gridColor]);
ASSIGN (_backgroundColor, [NSColor controlBackgroundColor]);
ASSIGN (_tableColumns, [NSMutableArray array]);
ASSIGN (_selectedColumns, [NSMutableIndexSet indexSet]);
ASSIGN (_selectedRows, [NSMutableIndexSet indexSet]);
_autoresizesAllColumnsToFit = NO;
_clickedRow = -1;
_clickedColumn = -1;
_drawsGrid = YES;
_editedColumn = -1;
_editedRow = -1;
_highlightedTableColumn = nil;
_intercellSpacing = NSMakeSize (5.0, 2.0);
_rowHeight = 16.0;
_selectedColumn = -1;
_selectedRow = -1;
_selectingColumns = NO;
/*
_headerView = [NSTableHeaderView new];
[_headerView setFrameSize: NSMakeSize (_frame.size.width, 22.0)];
[_headerView setTableView: self];
*/
[(NSKeyedUnarchiver *)aDecoder setClass: [GSTableCornerView class] forClassName: @"_NSCornerView"];
if ([aDecoder containsValueForKey: @"NSDataSource"])
{
[self setDataSource: [aDecoder decodeObjectForKey: @"NSDataSource"]];
}
if ([aDecoder containsValueForKey: @"NSDelegate"])
{
[self setDelegate: [aDecoder decodeObjectForKey: @"NSDelegate"]];
}
if ([aDecoder containsValueForKey: @"NSTarget"])
{
[self setTarget: [aDecoder decodeObjectForKey: @"NSTarget"]];
}
if ([aDecoder containsValueForKey: @"NSAction"])
{
NSString *action = [aDecoder decodeObjectForKey: @"NSAction"];
[self setAction: NSSelectorFromString(action)];
}
if ([aDecoder containsValueForKey: @"NSBackgroundColor"])
{
[self setBackgroundColor: [aDecoder decodeObjectForKey: @"NSBackgroundColor"]];
}
if ([aDecoder containsValueForKey: @"NSGridColor"])
{
[self setGridColor: [aDecoder decodeObjectForKey: @"NSGridColor"]];
}
if ([aDecoder containsValueForKey: @"NSIntercellSpacingHeight"])
{
intercellSpacing.height = [aDecoder decodeFloatForKey: @"NSIntercellSpacingHeight"];
}
if ([aDecoder containsValueForKey: @"NSIntercellSpacingWidth"])
{
intercellSpacing.width = [aDecoder decodeFloatForKey: @"NSIntercellSpacingWidth"];
}
[self setIntercellSpacing: intercellSpacing];
if ([aDecoder containsValueForKey: @"NSRowHeight"])
{
[self setRowHeight: [aDecoder decodeFloatForKey: @"NSRowHeight"]];
}
if ([aDecoder containsValueForKey: @"NSCornerView"])
{
NSRect viewFrame;
float rowHeight = [self rowHeight];
[self setCornerView: [aDecoder decodeObjectForKey: @"NSCornerView"]];
viewFrame = [[self cornerView] frame];
viewFrame.size.height = rowHeight;
[[self cornerView] setFrame: viewFrame];
}
if ([aDecoder containsValueForKey: @"NSHeaderView"])
{
NSRect viewFrame = [self frame];
float rowHeight = [self rowHeight];
_headerView = [NSTableHeaderView new];
[_headerView setFrameSize: NSMakeSize(viewFrame.size.width, rowHeight)];
[_headerView setTableView: self];
}
// get the table columns...
columns = [aDecoder decodeObjectForKey: @"NSTableColumns"];
e = [columns objectEnumerator];
while ((col = [e nextObject]) != nil)
{
[self addTableColumn: col];
[col setTableView: self];
}
if ([aDecoder containsValueForKey: @"NSTvFlags"])
{
unsigned long flags = [aDecoder decodeIntForKey: @"NSTvFlags"];
GSTableViewFlags tableViewFlags;
memcpy((void *)&tableViewFlags,(void *)&flags,sizeof(struct _tableViewFlags));
[self setAllowsColumnSelection: tableViewFlags.columnSelection];
[self setAllowsMultipleSelection: tableViewFlags.multipleSelection];
[self setAllowsEmptySelection: tableViewFlags.emptySelection];
[self setDrawsGrid: tableViewFlags.drawsGrid];
[self setAllowsColumnResizing: tableViewFlags.columnResizing];
[self setAllowsColumnReordering: tableViewFlags.columnOrdering];
}
_numberOfColumns = [columns count];
ASSIGN (_selectedColumns, [NSMutableIndexSet indexSet]);
ASSIGN (_selectedRows, [NSMutableIndexSet indexSet]);
if (_numberOfColumns)
_columnOrigins = NSZoneMalloc (NSDefaultMallocZone (),
sizeof(float) * _numberOfColumns);
[self tile];
}
else
{
int version = [aDecoder versionForClassName:
@"NSTableView"];
id aDelegate;
_dataSource = [aDecoder decodeObject];
_tableColumns = RETAIN([aDecoder decodeObject]);
_gridColor = RETAIN([aDecoder decodeObject]);
_backgroundColor = RETAIN([aDecoder decodeObject]);
_headerView = RETAIN([aDecoder decodeObject]);
_cornerView = RETAIN([aDecoder decodeObject]);
aDelegate = [aDecoder decodeObject];
_target = [aDecoder decodeObject];
[self setDelegate: aDelegate];
[_headerView setTableView: self];
[_tableColumns makeObjectsPerformSelector: @selector(setTableView:)
withObject: self];
[aDecoder decodeValueOfObjCType: @encode(int) at: &_numberOfRows];
[aDecoder decodeValueOfObjCType: @encode(int) at: &_numberOfColumns];
[aDecoder decodeValueOfObjCType: @encode(BOOL) at: &_drawsGrid];
[aDecoder decodeValueOfObjCType: @encode(float) at: &_rowHeight];
[aDecoder decodeValueOfObjCType: @encode(SEL) at: &_doubleAction];
_intercellSpacing = [aDecoder decodeSize];
[aDecoder decodeValueOfObjCType: @encode(BOOL) at: &_allowsMultipleSelection];
[aDecoder decodeValueOfObjCType: @encode(BOOL) at: &_allowsEmptySelection];
[aDecoder decodeValueOfObjCType: @encode(BOOL) at: &_allowsColumnSelection];
[aDecoder decodeValueOfObjCType: @encode(BOOL) at: &_allowsColumnResizing];
if (version == currentVersion)
{
[aDecoder decodeValueOfObjCType: @encode(BOOL) at: &_allowsColumnReordering];
}
if (version >= 2)
{
[aDecoder decodeValueOfObjCType: @encode(BOOL) at: &_autoresizesAllColumnsToFit];
}
ASSIGN (_selectedColumns, [NSMutableIndexSet indexSet]);
ASSIGN (_selectedRows, [NSMutableIndexSet indexSet]);
if (_numberOfColumns)
_columnOrigins = NSZoneMalloc (NSDefaultMallocZone (),
sizeof(float) * _numberOfColumns);
_clickedRow = -1;
_clickedColumn = -1;
_selectingColumns = NO;
_selectedColumn = -1;
_selectedRow = -1;
_editedColumn = -1;
_editedRow = -1;
if (version == 2)
{
[self tile];
}
}
return self;
}
- (void) updateCell: (NSCell*)aCell
{
int i, j;
NSTableColumn *tb;
if (aCell == nil)
return;
return;
for (i = 0; i < _numberOfColumns; i++)
{
tb = [_tableColumns objectAtIndex: i];
if ([tb dataCellForRow: -1] == aCell)
{
[self setNeedsDisplayInRect: [self rectOfColumn: i]];
}
else
{
NSRect columnRect = [self rectOfColumn: i];
NSRect rowRect;
NSRect visibleRect = [self convertRect: [_super_view bounds]
toView: self];
NSPoint top = NSMakePoint(NSMinX(visibleRect),
NSMinY(visibleRect));
NSPoint bottom = NSMakePoint(NSMinX(visibleRect),
NSMaxY(visibleRect));
int firstVisibleRow = [self rowAtPoint: top];
int lastVisibleRow = [self rowAtPoint: bottom];
if (firstVisibleRow == -1)
firstVisibleRow = 0;
if (lastVisibleRow == -1)
lastVisibleRow = _numberOfColumns - 1;
for (j = firstVisibleRow; j < lastVisibleRow; j++)
{
if ([tb dataCellForRow: j] == aCell)
{
rowRect = [self rectOfRow: j];
[self setNeedsDisplayInRect:
NSIntersectionRect(columnRect, rowRect)];
}
}
}
}
}
- (void) _userResizedTableColumn: (int)index
width: (float)width
{
[[_tableColumns objectAtIndex: index] setWidth: width];
}
- (float *) _columnOrigins
{
return _columnOrigins;
}
- (void) _mouseDownInHeaderOfTableColumn: (NSTableColumn *)tc
{
if ([_delegate
respondsToSelector:
@selector(tableView:mouseDownInHeaderOfTableColumn:)])
{
[_delegate tableView: self
mouseDownInHeaderOfTableColumn: tc];
}
}
- (void) _didClickTableColumn: (NSTableColumn *)tc
{
if ([_delegate
respondsToSelector:
@selector(tableView:didClickTableColumn:)])
{
[_delegate tableView: self
didClickTableColumn: tc];
}
}
-(BOOL) _editNextEditableCellAfterRow: (int)row
column: (int)column
{
int i, j;
if (row > -1)
{
// First look for cells in the same row
for (j = column + 1; j < _numberOfColumns; j++)
{
if (_isCellEditable (_delegate, _tableColumns, self, row, j) == YES)
{
[self editColumn: j row: row withEvent: nil select: YES];
return YES;
}
}
}
// Otherwise, make the big cycle.
for (i = row + 1; i < _numberOfRows; i++)
{
// Need to select row to be able to edit it.
[self selectRow: i byExtendingSelection: NO];
for (j = 0; j < _numberOfColumns; j++)
{
if (_isCellEditable (_delegate, _tableColumns, self, i, j) == YES)
{
[self editColumn: j row: i withEvent: nil select: YES];
return YES;
}
}
}
return NO;
}
-(BOOL) _editPreviousEditableCellBeforeRow: (int)row
column: (int)column
{
int i,j;
if (row < _numberOfColumns)
{
// First look for cells in the same row
for (j = column - 1; j > -1; j--)
{
if (_isCellEditable (_delegate, _tableColumns, self, row, j) == YES)
{
[self editColumn: j row: row withEvent: nil select: YES];
return YES;
}
}
}
// Otherwise, make the big cycle.
for (i = row - 1; i > -1; i--)
{
// Need to select row to be able to edit it.
[self selectRow: i byExtendingSelection: NO];
for (j = _numberOfColumns - 1; j > -1; j--)
{
if (_isCellEditable (_delegate, _tableColumns, self, i, j) == YES)
{
[self editColumn: j row: i withEvent: nil select: YES];
return YES;
}
}
}
return NO;
}
- (void) _autosaveTableColumns
{
if (_autosaveTableColumns && _autosaveName != nil)
{
NSUserDefaults *defaults;
NSString *tableKey;
NSMutableDictionary *config;
NSTableColumn *column;
id en;
defaults = [NSUserDefaults standardUserDefaults];
tableKey = [NSString stringWithFormat: @"NSTableView Columns %@",
_autosaveName];
config = [NSMutableDictionary new];
en = [[self tableColumns] objectEnumerator];
while ((column = [en nextObject]) != nil)
{
NSArray *array;
NSNumber *width, *identNum;
NSObject *ident;
width = [NSNumber numberWithInt: [column width]];
ident = [column identifier];
identNum = [NSNumber numberWithInt: [self columnWithIdentifier:
ident]];
array = [NSArray arrayWithObjects: width, identNum, nil];
[config setObject: array forKey: ident];
}
[defaults setObject: config forKey: tableKey];
[defaults synchronize];
RELEASE (config);
}
}
- (void) _autoloadTableColumns
{
if (_autosaveTableColumns && _autosaveName != nil)
{
NSUserDefaults *defaults;
NSDictionary *config;
NSString *tableKey;
defaults = [NSUserDefaults standardUserDefaults];
tableKey = [NSString stringWithFormat: @"NSTableView Columns %@",
_autosaveName];
config = [defaults objectForKey: tableKey];
if (config != nil)
{
NSEnumerator *en = [[config allKeys] objectEnumerator];
NSString *colKey;
NSArray *colDesc;
NSTableColumn *col;
while ((colKey = [en nextObject]) != nil)
{
col = [self tableColumnWithIdentifier: colKey];
if (col != nil)
{
colDesc = [config objectForKey: colKey];
[col setWidth: [[colDesc objectAtIndex: 0] intValue]];
[self moveColumn: [self columnWithIdentifier: colKey]
toColumn: [[colDesc objectAtIndex: 1] intValue]];
}
}
}
}
}
- (void) superviewFrameChanged: (NSNotification*)aNotification
{
if (_autoresizesAllColumnsToFit == YES)
{
float visible_width = [self convertRect: [_super_view bounds]
fromView: _super_view].size.width;
float table_width = 0;
if (_numberOfColumns > 0)
{
table_width =
_columnOrigins[_numberOfColumns - 1] +
[[_tableColumns objectAtIndex: _numberOfColumns - 1] width];
}
/*
NSLog(@"columnOrigins[0] %f", _columnOrigins[0]);
NSLog(@"superview.bounds %@",
NSStringFromRect([_super_view bounds]));
NSLog(@"superview.frame %@",
NSStringFromRect([_super_view frame]));
NSLog(@"table_width %f", table_width);
NSLog(@"width %f", visible_width);
NSLog(@"_superview_width %f", _superview_width);
*/
if (table_width - _superview_width <= 0.001
&& table_width - _superview_width >= -0.001)
{
// the last column had been sized to fit
[self sizeToFit];
}
else if (table_width <= _superview_width
&& table_width >= visible_width)
{
// the tableView was too small and is now too large
[self sizeToFit];
}
else if (table_width >= _superview_width
&& table_width <= visible_width)
{
// the tableView was too large and is now too small
if (_numberOfColumns > 0)
[self scrollColumnToVisible: 0];
[self sizeToFit];
}
_superview_width = visible_width;
}
else
{
float visible_width = [self convertRect: [_super_view bounds]
fromView: _super_view].size.width;
float table_width = 0;
if (_numberOfColumns > 0)
{
table_width =
_columnOrigins[_numberOfColumns - 1] +
[[_tableColumns objectAtIndex: _numberOfColumns - 1] width];
}
/*
NSLog(@"columnOrigins[0] %f", _columnOrigins[0]);
NSLog(@"superview.bounds %@",
NSStringFromRect([_super_view bounds]));
NSLog(@"superview.frame %@",
NSStringFromRect([_super_view frame]));
NSLog(@"table_width %f", table_width);
NSLog(@"width %f", visible_width);
NSLog(@"_superview_width %f", _superview_width);
*/
if (table_width - _superview_width <= 0.001
&& table_width - _superview_width >= -0.001)
{
// the last column had been sized to fit
[self sizeLastColumnToFit];
}
else if (table_width <= _superview_width
&& table_width >= visible_width)
{
// the tableView was too small and is now too large
[self sizeLastColumnToFit];
}
else if (table_width >= _superview_width
&& table_width <= visible_width)
{
// the tableView was too large and is now too small
if (_numberOfColumns > 0)
[self scrollColumnToVisible: 0];
[self sizeLastColumnToFit];
}
_superview_width = visible_width;
}
}
- (unsigned int) draggingSourceOperationMaskForLocal: (BOOL) flag
{
return (NSDragOperationAll);
}
- (NSDragOperation) draggingEntered: (id <NSDraggingInfo>) sender
{
currentDropRow = -1;
currentDropOperation = -1;
oldDropRow = -1;
lastQuarterPosition = -1;
oldDraggingRect = NSMakeRect(0.,0., 0., 0.);
currentDragOperation = NSDragOperationAll;
return currentDragOperation;
}
- (void) draggingExited: (id <NSDraggingInfo>) sender
{
[self setNeedsDisplayInRect: oldDraggingRect];
[self displayIfNeeded];
}
- (NSDragOperation) draggingUpdated: (id <NSDraggingInfo>) sender
{
NSPoint p = [sender draggingLocation];
NSRect newRect;
int row;
int quarterPosition, positionInRow;
int currentRow;
unsigned dragOperation;
p = [self convertPoint: p fromView: nil];
/* This is a crude method of scrolling the view while dragging so
the user can drag to any cell even if it's not
visible. Unfortunately we don't receive events when the drag is
outside the view, so the pointer must still be in the view to
drag.
*/
if (p.y < NSMinY([self visibleRect])+3)
{
currentRow = [self rowAtPoint: p] - 1;
if (currentRow > 0)
[self scrollRowToVisible: currentRow];
}
else if (p.y > NSMaxY([self visibleRect])-3)
{
currentRow = [self rowAtPoint: p] + 1;
if (currentRow < _numberOfRows)
[self scrollRowToVisible: currentRow];
}
positionInRow = (int)(p.y - _bounds.origin.y) % (int)_rowHeight;
quarterPosition = (p.y - _bounds.origin.y) / _rowHeight * 4.;
if ((quarterPosition - oldDropRow * 4 <= 2) &&
(quarterPosition - oldDropRow * 4 >= -3))
{
row = oldDropRow;
}
else
{
row = (quarterPosition + 2) / 4;
}
// Are we in the two middle quarters of the row? Use TableViewDropOn
if (positionInRow > _rowHeight/4 && positionInRow <= (3*_rowHeight)/4)
{
currentDropRow = (int)(p.y - _bounds.origin.y) / (int)_rowHeight;
currentDropOperation = NSTableViewDropOn;
}
else // drop above
{
currentDropRow = row;
currentDropOperation = NSTableViewDropAbove;
}
dragOperation = [sender draggingSourceOperationMask];
if ((lastQuarterPosition != quarterPosition)
|| (currentDragOperation != dragOperation))
{
currentDragOperation = dragOperation;
if ([_dataSource respondsToSelector:
@selector(tableView:validateDrop:proposedRow:proposedDropOperation:)])
{
currentDragOperation = [_dataSource tableView: self
validateDrop: sender
proposedRow: currentDropRow
proposedDropOperation: NSTableViewDropAbove];
}
lastQuarterPosition = quarterPosition;
if ((currentDropRow != oldDropRow) || (currentDropOperation != oldDropOperation))
{
[self lockFocus];
[self setNeedsDisplayInRect: oldDraggingRect];
[self displayIfNeeded];
[[NSColor darkGrayColor] set];
if (currentDropOperation == NSTableViewDropAbove)
{
if (currentDropRow == 0)
{
newRect = NSMakeRect([self visibleRect].origin.x,
currentDropRow * _rowHeight,
[self visibleRect].size.width,
3);
}
else if (currentDropRow == _numberOfRows)
{
newRect = NSMakeRect([self visibleRect].origin.x,
currentDropRow * _rowHeight - 2,
[self visibleRect].size.width,
3);
}
else
{
newRect = NSMakeRect([self visibleRect].origin.x,
currentDropRow * _rowHeight - 1,
[self visibleRect].size.width,
3);
}
NSRectFill(newRect);
oldDraggingRect = newRect;
}
else
{
newRect = [self frameOfCellAtColumn: 0
row: currentDropRow];
newRect.origin.x = _bounds.origin.x;
newRect.size.width = _bounds.size.width + 2;
newRect.origin.x -= _intercellSpacing.height / 2;
newRect.size.height += _intercellSpacing.height;
oldDraggingRect = newRect;
oldDraggingRect.origin.y -= 1;
oldDraggingRect.size.height += 2;
newRect.size.height -= 1;
newRect.origin.x += 3;
newRect.size.width -= 3;
if (_drawsGrid)
{
//newRect.origin.y += 1;
//newRect.origin.x += 1;
//newRect.size.width -= 2;
newRect.size.height += 1;
}
else
{
}
NSFrameRectWithWidth(newRect, 2.0);
// NSRectFill(newRect);
}
[_window flushWindow];
[self unlockFocus];
oldDropRow = currentDropRow;
oldDropOperation = currentDropOperation;
}
}
return currentDragOperation;
}
- (BOOL) performDragOperation: (id<NSDraggingInfo>)sender
{
if ([_dataSource respondsToSelector: @selector(tableView:acceptDrop:row:dropOperation:)])
{
return [_dataSource tableView: self
acceptDrop: sender
row: currentDropRow
dropOperation: currentDropOperation];
}
else
return NO;
}
- (BOOL) prepareForDragOperation: (id<NSDraggingInfo>)sender
{
[self setNeedsDisplayInRect: oldDraggingRect];
[self displayIfNeeded];
return YES;
}
- (void) concludeDragOperation:(id <NSDraggingInfo>)sender
{
}
/*
* sorting
*/
- (void) setSortDescriptors: (NSArray *)array
{
// FIXME
}
- (NSArray *)sortDescriptors
{
// FIXME
return nil;
}
/*
* User interface validation
*/
- (BOOL) validateUserInterfaceItem: (id <NSValidatedUserInterfaceItem>)anItem
{
// FIXME
return YES;
}
/*
* (NotificationRequestMethods)
*/
- (void) _postSelectionIsChangingNotification
{
[nc postNotificationName:
NSTableViewSelectionIsChangingNotification
object: self];
}
- (void) _postSelectionDidChangeNotification
{
[nc postNotificationName:
NSTableViewSelectionDidChangeNotification
object: self];
}
- (void) _postColumnDidMoveNotificationWithOldIndex: (int) oldIndex
newIndex: (int) newIndex
{
[nc postNotificationName:
NSTableViewColumnDidMoveNotification
object: self
userInfo: [NSDictionary
dictionaryWithObjectsAndKeys:
[NSNumber numberWithInt: newIndex],
@"NSNewColumn",
[NSNumber numberWithInt: oldIndex],
@"NSOldColumn",
nil]];
}
- (void) _postColumnDidResizeNotificationWithOldWidth: (float) oldWidth
{
[nc postNotificationName:
NSTableViewColumnDidResizeNotification
object: self
userInfo: [NSDictionary
dictionaryWithObjectsAndKeys:
[NSNumber numberWithFloat: oldWidth],
@"NSOldWidth",
nil]];
}
- (BOOL) _shouldSelectTableColumn: (NSTableColumn *)tableColumn
{
if ([_delegate respondsToSelector:
@selector (tableView:shouldSelectTableColumn:)] == YES)
{
if ([_delegate tableView: self shouldSelectTableColumn: tableColumn] == NO)
{
return NO;
}
}
return YES;
}
- (BOOL) _shouldSelectRow: (int)rowIndex
{
if ([_delegate respondsToSelector:
@selector (tableView:shouldSelectRow:)] == YES)
{
if ([_delegate tableView: self shouldSelectRow: rowIndex] == NO)
{
return NO;
}
}
return YES;
}
- (BOOL) _shouldSelectionChange
{
if ([_delegate respondsToSelector:
@selector (selectionShouldChangeInTableView:)] == YES)
{
if ([_delegate selectionShouldChangeInTableView: self] == NO)
{
return NO;
}
}
return YES;
}
- (BOOL) _shouldEditTableColumn: (NSTableColumn *)tableColumn
row: (int) rowIndex
{
if ([_delegate respondsToSelector:
@selector(tableView:shouldEditTableColumn:row:)])
{
if ([_delegate tableView: self shouldEditTableColumn: tableColumn
row: rowIndex] == NO)
{
return NO;
}
}
return YES;
}
- (void) _willDisplayCell: (NSCell*)cell
forTableColumn: (NSTableColumn *)tb
row: (int)index
{
if (_del_responds)
{
[_delegate tableView: self
willDisplayCell: cell
forTableColumn: tb
row: index];
}
}
- (id) _objectValueForTableColumn: (NSTableColumn *)tb
row: (int) index
{
id result = nil;
if ([_dataSource respondsToSelector:
@selector(tableView:objectValueForTableColumn:row:)])
{
result = [_dataSource tableView: self
objectValueForTableColumn: tb
row: index];
}
return result;
}
- (void) _setObjectValue: (id)value
forTableColumn: (NSTableColumn *)tb
row: (int) index
{
if ([_dataSource respondsToSelector:
@selector(tableView:setObjectValue:forTableColumn:row:)])
{
[_dataSource tableView: self
setObjectValue: value
forTableColumn: tb
row: index];
}
}
- (BOOL) _isDraggingSource
{
return [_dataSource respondsToSelector:
@selector(tableView:writeRows:toPasteboard:)];
}
- (BOOL) _writeRows: (NSArray *) rows
toPasteboard: (NSPasteboard *)pboard
{
if ([_dataSource respondsToSelector:
@selector(tableView:writeRows:toPasteboard:)] == YES)
{
return [_dataSource tableView: self
writeRows: rows
toPasteboard: pboard];
}
return NO;
}
@end /* implementation of NSTableView */
@implementation NSTableView (SelectionHelper)
- (void) _setSelectingColumns: (BOOL)flag
{
if (flag == _selectingColumns)
return;
if (flag == NO)
{
[self _unselectAllColumns];
_selectingColumns = NO;
}
else
{
[self _unselectAllRows];
_selectingColumns = YES;
}
}
- (NSArray *) _selectedRowArray
{
NSMutableArray *selected = [NSMutableArray array];
unsigned int row = [_selectedRows firstIndex];
while (row != NSNotFound)
{
NSNumber *num = [NSNumber numberWithInt: row];
[selected addObject: num];
row = [_selectedRows indexGreaterThanIndex: row];
}
return selected;
}
- (BOOL) _selectRow: (int)rowIndex
{
if (![self _shouldSelectRow: rowIndex])
{
return NO;
}
[self setNeedsDisplayInRect: [self rectOfRow: rowIndex]];
[_selectedRows addIndex: rowIndex];
_selectedRow = rowIndex;
return YES;
}
- (BOOL) _selectUnselectedRow: (int)rowIndex
{
if ([_selectedRows containsIndex: rowIndex])
{
return NO;
}
[self setNeedsDisplayInRect: [self rectOfRow: rowIndex]];
[_selectedRows addIndex: rowIndex];
_selectedRow = rowIndex;
return YES;
}
- (BOOL) _unselectRow: (int)rowIndex
{
if (![_selectedRows containsIndex: rowIndex])
{
return NO;
}
[self setNeedsDisplayInRect: [self rectOfRow: rowIndex]];
[_selectedRows removeIndex: rowIndex];
if (_selectedRow == rowIndex)
{
_selectedRow = -1;
}
return YES;
}
- (void) _unselectAllRows
{
/* Compute rect to redraw to clear the old row selection */
unsigned int row = [_selectedRows firstIndex];
while (row != NSNotFound)
{
[self setNeedsDisplayInRect: [self rectOfRow: row]];
row = [_selectedRows indexGreaterThanIndex: row];
}
[_selectedRows removeAllIndexes];
_selectedRow = -1;
}
- (NSArray *) _selectedColumArray
{
NSMutableArray *selected = [NSMutableArray array];
unsigned int column = [_selectedColumns firstIndex];
while (column != NSNotFound)
{
NSNumber *num = [NSNumber numberWithInt: column];
[selected addObject: num];
column = [_selectedColumns indexGreaterThanIndex: column];
}
return selected;
}
- (void) _unselectAllColumns
{
/* Compute rect to redraw to clear the old column selection */
unsigned int column = [_selectedColumns firstIndex];
while (column != NSNotFound)
{
[self setNeedsDisplayInRect: [self rectOfColumn: column]];
if (_headerView)
{
[_headerView setNeedsDisplayInRect:
[_headerView headerRectOfColumn: column]];
}
column = [_selectedColumns indexGreaterThanIndex: column];
}
[_selectedColumns removeAllIndexes];
_selectedColumn = -1;
}
@end
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