/AppKit/CPTableHeaderView.j
Unknown | 826 lines | 641 code | 185 blank | 0 comment | 0 complexity | 384eace7f204085f57fa124cbcd1c15d MD5 | raw file
1/* 2 * CPTableHeaderView.j 3 * AppKit 4 * 5 * Created by Ross Boucher. 6 * Copyright 2009 280 North, Inc. 7 * 8 * This library is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Lesser General Public 10 * License as published by the Free Software Foundation; either 11 * version 2.1 of the License, or (at your option) any later version. 12 * 13 * This library is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Lesser General Public License for more details. 17 * 18 * You should have received a copy of the GNU Lesser General Public 19 * License along with this library; if not, write to the Free Software 20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 21 */ 22 23@import "CPTableColumn.j" 24@import "CPTableView.j" 25@import "CPView.j" 26@import "CPCursor.j" 27@import "_CPImageAndTextView.j" 28 29@global CPApp 30 31@implementation _CPTableColumnHeaderView : CPView 32{ 33 _CPImageAndTextView _textField; 34} 35 36+ (CPString)defaultThemeClass 37{ 38 return @"columnHeader"; 39} 40 41+ (CPDictionary)themeAttributes 42{ 43 return @{ 44 @"background-color": [CPNull null], 45 @"text-alignment": CPLeftTextAlignment, 46 @"line-break-mode": CPLineBreakByTruncatingTail, 47 @"text-inset": CGInsetMakeZero(), 48 @"text-color": [CPNull null], 49 @"font": [CPNull null], 50 @"text-shadow-color": [CPNull null], 51 @"text-shadow-offset": CGSizeMakeZero() 52 }; 53} 54 55- (id)initWithFrame:(CGRect)frame 56{ 57 self = [super initWithFrame:frame]; 58 59 if (self) 60 [self _init]; 61 62 return self; 63} 64 65- (void)_init 66{ 67 _textField = [[_CPImageAndTextView alloc] initWithFrame: 68 CGRectMake(5.0, 0.0, CGRectGetWidth([self bounds]) - 10.0, CGRectGetHeight([self bounds]))]; 69 70 [_textField setAutoresizingMask:CPViewWidthSizable|CPViewHeightSizable]; 71 72 [_textField setLineBreakMode:CPLineBreakByTruncatingTail]; 73 [_textField setTextColor:[CPColor colorWithRed:51.0 / 255.0 green:51.0 / 255.0 blue:51.0 / 255.0 alpha:1.0]]; 74 [_textField setFont:[CPFont boldSystemFontOfSize:12.0]]; 75 [_textField setAlignment:CPLeftTextAlignment]; 76 [_textField setVerticalAlignment:CPCenterVerticalTextAlignment]; 77 [_textField setTextShadowColor:[CPColor whiteColor]]; 78 [_textField setTextShadowOffset:CGSizeMake(0,1)]; 79 80 [self addSubview:_textField]; 81} 82 83- (void)layoutSubviews 84{ 85 [self setBackgroundColor:[self currentValueForThemeAttribute:@"background-color"]]; 86 87 var inset = [self currentValueForThemeAttribute:@"text-inset"], 88 bounds = [self bounds]; 89 90 [_textField setFrame:CGRectMake(inset.right, inset.top, bounds.size.width - inset.right - inset.left, bounds.size.height - inset.top - inset.bottom)]; 91 [_textField setTextColor:[self currentValueForThemeAttribute:@"text-color"]]; 92 [_textField setFont:[self currentValueForThemeAttribute:@"font"]]; 93 [_textField setTextShadowColor:[self currentValueForThemeAttribute:@"text-shadow-color"]]; 94 [_textField setTextShadowOffset:[self currentValueForThemeAttribute:@"text-shadow-offset"]]; 95 [_textField setAlignment:[self currentValueForThemeAttribute:@"text-alignment"]]; 96 [_textField setLineBreakMode:[self currentValueForThemeAttribute:@"line-break-mode"]]; 97} 98 99- (void)setStringValue:(CPString)string 100{ 101 [_textField setText:string]; 102} 103 104- (CPString)stringValue 105{ 106 return [_textField text]; 107} 108 109- (void)textField 110{ 111 return _textField; 112} 113 114- (void)sizeToFit 115{ 116 [_textField sizeToFit]; 117} 118 119- (void)setFont:(CPFont)aFont 120{ 121 [self setValue:aFont forThemeAttribute:@"font"]; 122} 123 124- (CPFont)font 125{ 126 return [self currentValueForThemeAttribute:@"font"] 127} 128 129- (void)setAlignment:(CPTextAlignment)alignment 130{ 131 [self setValue:alignment forThemeAttribute:@"text-alignment"]; 132} 133 134- (CPTextAlignment)alignment 135{ 136 return [self currentValueForThemeAttribute:@"text-alignment"] 137} 138 139- (void)setLineBreakMode:(CPLineBreakMode)mode 140{ 141 [self setValue:mode forThemeAttribute:@"line-break-mode"]; 142} 143 144- (CPLineBreakMode)lineBreakMode 145{ 146 return [self currentValueForThemeAttribute:@"line-break-mode"] 147} 148 149- (void)setTextColor:(CPColor)aColor 150{ 151 [self setValue:aColor forThemeAttribute:@"text-color"]; 152} 153 154- (CPColor)textColor 155{ 156 return [self currentValueForThemeAttribute:@"text-color"] 157} 158 159- (void)setTextShadowColor:(CPColor)aColor 160{ 161 [self setValue:aColor forThemeAttribute:@"text-shadow-color"]; 162} 163 164- (CPColor)textShadowColor 165{ 166 return [self currentValueForThemeAttribute:@"text-shadow-color"] 167} 168 169- (void)_setIndicatorImage:(CPImage)anImage 170{ 171 if (anImage) 172 { 173 [_textField setImage:anImage]; 174 [_textField setImagePosition:CPImageRight]; 175 } 176 else 177 { 178 [_textField setImagePosition:CPNoImage]; 179 } 180} 181 182- (CPImage)_indicatorImage 183{ 184 return [_textField imagePosition] === CPNoImage ? nil : [_textField image]; 185} 186 187- (void)drawRect:(CGRect)aRect 188{ 189 var bounds = [self bounds]; 190 191 if (!CGRectIntersectsRect(aRect, bounds)) 192 return; 193 194 var context = [[CPGraphicsContext currentContext] graphicsPort], 195 maxX = CGRectGetMaxX(bounds) - 0.5; 196 197 CGContextSetLineWidth(context, 1); 198 CGContextSetStrokeColor(context, [CPColor colorWithWhite:192.0/255.0 alpha:1.0]); 199 200 CGContextBeginPath(context); 201 202 CGContextMoveToPoint(context, maxX, CGRectGetMinY(bounds)); 203 CGContextAddLineToPoint(context, maxX, CGRectGetMaxY(bounds)); 204 205 CGContextStrokePath(context); 206} 207 208@end 209 210var _CPTableColumnHeaderViewStringValueKey = @"_CPTableColumnHeaderViewStringValueKey", 211 _CPTableColumnHeaderViewFontKey = @"_CPTableColumnHeaderViewFontKey", 212 _CPTableColumnHeaderViewImageKey = @"_CPTableColumnHeaderViewImageKey"; 213 _CPTableColumnHeaderViewIsDraggingKey = @"_CPTableColumnHeaderViewIsDraggingKey"; 214 215@implementation _CPTableColumnHeaderView (CPCoding) 216 217- (id)initWithCoder:(CPCoder)aCoder 218{ 219 if (self = [super initWithCoder:aCoder]) 220 { 221 [self _init]; 222 [self _setIndicatorImage:[aCoder decodeObjectForKey:_CPTableColumnHeaderViewImageKey]]; 223 [self setStringValue:[aCoder decodeObjectForKey:_CPTableColumnHeaderViewStringValueKey]]; 224 [self setFont:[aCoder decodeObjectForKey:_CPTableColumnHeaderViewFontKey]]; 225 [self setFont:[aCoder decodeObjectForKey:_CPTableColumnHeaderViewFontKey]]; 226 } 227 228 return self; 229} 230 231- (void)encodeWithCoder:(CPCoder)aCoder 232{ 233 [super encodeWithCoder:aCoder]; 234 235 [aCoder encodeObject:[_textField text] forKey:_CPTableColumnHeaderViewStringValueKey]; 236 [aCoder encodeObject:[_textField image] forKey:_CPTableColumnHeaderViewImageKey]; 237 [aCoder encodeObject:[_textField font] forKey:_CPTableColumnHeaderViewFontKey]; 238} 239 240@end 241 242CPTableHeaderViewDragColumnHeaderTag = 1; 243 244var CPTableHeaderViewResizeZone = 3.0, 245 CPTableHeaderViewDragTolerance = 10.0; 246 247@implementation CPTableHeaderView : CPView 248{ 249 CGPoint _mouseDownLocation; 250 CGPoint _columnMouseDownLocation; 251 CGPoint _mouseEnterExitLocation; 252 CGPoint _previousTrackingLocation; 253 254 int _activeColumn; 255 int _pressedColumn; 256 257 BOOL _isResizing; 258 BOOL _isDragging; 259 BOOL _canDragColumn; 260 261 CPView _columnDragView; 262 CPView _columnDragHeaderView; 263 CPView _columnDragClipView; 264 265 float _columnOldWidth; 266 267 CPTableView _tableView @accessors(property=tableView); 268} 269 270+ (CPString)defaultThemeClass 271{ 272 return @"tableHeaderRow"; 273} 274 275+ (CPDictionary)themeAttributes 276{ 277 return @{ 278 @"background-color": [CPNull null], 279 @"divider-color": [CPColor grayColor], 280 @"divider-thickness": 1.0 281 }; 282} 283 284- (void)_init 285{ 286 _mouseDownLocation = CGPointMakeZero(); 287 _columnMouseDownLocation = CGPointMakeZero(); 288 _mouseEnterExitLocation = CGPointMakeZero(); 289 _previousTrackingLocation = CGPointMakeZero(); 290 291 _activeColumn = -1; 292 _pressedColumn = -1; 293 294 _isResizing = NO; 295 _isDragging = NO; 296 _canDragColumn = NO; 297 298 _columnOldWidth = 0.0; 299 300 [self setBackgroundColor:[self currentValueForThemeAttribute:@"background-color"]]; 301} 302 303- (id)initWithFrame:(CGRect)aFrame 304{ 305 self = [super initWithFrame:aFrame]; 306 307 if (self) 308 [self _init]; 309 310 return self; 311} 312 313// Checking Altered Columns 314 315- (CPInteger)draggedColumn 316{ 317 return _isDragging ? _activeColumn : -1; 318} 319 320- (float)draggedDistance 321{ 322 if (_isDragging) 323 return (CGRectGetMinX(_columnDragClipView) - _columnMouseDownLocation.x); 324 else 325 return -1; 326} 327 328- (CPInteger)resizedColumn 329{ 330 if (_isResizing) 331 return _activeColumn; 332 else 333 return -1; 334} 335 336// Utility Methods 337 338- (CPInteger)columnAtPoint:(CGPoint)aPoint 339{ 340 return [_tableView columnAtPoint:aPoint]; 341} 342 343- (CGRect)headerRectOfColumn:(CPInteger)aColumnIndex 344{ 345 var headerRect = [self bounds], 346 columnRect = [_tableView rectOfColumn:aColumnIndex]; 347 348 headerRect.origin.x = CGRectGetMinX(columnRect); 349 headerRect.size.width = CGRectGetWidth(columnRect); 350 351 return headerRect; 352} 353 354// CPView Overrides 355 356- (void)viewDidMoveToWindow 357{ 358 [super viewDidMoveToWindow]; 359 360 [[self window] setAcceptsMouseMovedEvents:YES]; 361} 362 363- (void)layoutSubviews 364{ 365 var tableColumns = [_tableView tableColumns], 366 count = [tableColumns count]; 367 368 for (var i = 0; i < count; i++) 369 { 370 var column = [tableColumns objectAtIndex:i], 371 headerView = [column headerView], 372 frame = [self headerRectOfColumn:i]; 373 374 [headerView setFrame:frame]; 375 376 if ([headerView superview] != self) 377 [self addSubview:headerView]; 378 } 379} 380 381// CPResponder Overrides 382 383- (void)mouseDown:(CPEvent)theEvent 384{ 385 var currentLocation = [self convertPoint:[theEvent locationInWindow] fromView:nil], 386 adjustedLocation = CGPointMake(MAX(currentLocation.x - CPTableHeaderViewResizeZone, 0.0), currentLocation.y), 387 columnIndex = [self columnAtPoint:adjustedLocation]; 388 389 if (columnIndex === -1) 390 return; 391 392 _mouseDownLocation = currentLocation; 393 _activeColumn = columnIndex; 394 _canDragColumn = YES; 395 396 [_tableView _sendDelegateMouseDownInHeaderOfTableColumn:columnIndex]; 397 398 if ([self _shouldResizeTableColumn:columnIndex at:currentLocation]) 399 [self _startResizingTableColumn:columnIndex at:currentLocation]; 400 else 401 [self _setPressedColumn:columnIndex]; 402} 403 404- (void)mouseDragged:(CPEvent)theEvent 405{ 406 var currentLocation = [self convertPoint:[theEvent locationInWindow] fromView:nil], 407 adjustedLocation = CGPointMake(MAX(currentLocation.x - CPTableHeaderViewResizeZone, 0.0), currentLocation.y), 408 columnIndex = [self columnAtPoint:adjustedLocation]; 409 410 if (_isResizing) 411 { 412 [self _autoscroll:theEvent localLocation:currentLocation]; 413 [self _continueResizingTableColumn:_activeColumn at:currentLocation]; 414 } 415 else if (_isDragging) 416 { 417 // Disable autoscrolling until it behaves correctly. 418 //[self _autoscroll:theEvent localLocation:currentLocation]; 419 [self _dragTableColumn:_activeColumn to:currentLocation]; 420 } 421 else // tracking a press, could become a drag 422 { 423 if (CGRectContainsPoint([self headerRectOfColumn:_activeColumn], currentLocation)) 424 { 425 if ([self _shouldDragTableColumn:columnIndex at:currentLocation]) 426 [self _startDraggingTableColumn:columnIndex at:currentLocation]; 427 else 428 [self _setPressedColumn:_activeColumn]; 429 } 430 else 431 [self _setPressedColumn:-1]; 432 } 433} 434 435- (void)mouseUp:(CPEvent)theEvent 436{ 437 if (_isResizing) 438 { 439 [self _stopResizingTableColumn:_activeColumn]; 440 } 441 else if (_isDragging) 442 { 443 [self _stopDraggingTableColumn:_activeColumn]; 444 } 445 else if (_activeColumn != -1) 446 { 447 var currentLocation = [self convertPoint:[theEvent locationInWindow] fromView:nil]; 448 449 if (CGRectContainsPoint([self headerRectOfColumn:_activeColumn], currentLocation)) 450 [_tableView _didClickTableColumn:_activeColumn modifierFlags:[theEvent modifierFlags]]; 451 } 452 453 [self _setPressedColumn:-1]; 454 [self _updateResizeCursor:[CPApp currentEvent]]; 455 456 _activeColumn = -1; 457} 458 459- (void)mouseEntered:(CPEvent)theEvent 460{ 461 var location = [theEvent globalLocation]; 462 463 if (CGPointEqualToPoint(location, _mouseEnterExitLocation)) 464 return; 465 466 _mouseEnterExitLocation = location; 467 468 [self _updateResizeCursor:theEvent]; 469} 470 471- (void)mouseMoved:(CPEvent)theEvent 472{ 473 [self _updateResizeCursor:theEvent]; 474} 475 476- (void)mouseExited:(CPEvent)theEvent 477{ 478 var location = [theEvent globalLocation]; 479 480 if (CGPointEqualToPoint(location, _mouseEnterExitLocation)) 481 return; 482 483 _mouseEnterExitLocation = location; 484 485 // FIXME: we should use CPCursor push/pop (if previous currentCursor != arrow). 486 [[CPCursor arrowCursor] set]; 487} 488 489@end 490 491@implementation CPTableHeaderView (CPTableHeaderViewPrivate) 492 493- (CGRect)_cursorRectForColumn:(CPInteger)column 494{ 495 if (column == -1 || !([_tableView._tableColumns[column] resizingMask] & CPTableColumnUserResizingMask)) 496 return CGRectMakeZero(); 497 498 var rect = [self headerRectOfColumn:column]; 499 500 rect.origin.x = (CGRectGetMaxX(rect) - CPTableHeaderViewResizeZone) - 1.0; 501 rect.size.width = (CPTableHeaderViewResizeZone * 2.0) + 1.0; // + 1 for resize line 502 503 return rect; 504} 505 506- (void)_setPressedColumn:(CPInteger)column 507{ 508 if (_pressedColumn === column) 509 return; 510 511 if (_pressedColumn != -1) 512 { 513 var headerView = [_tableView._tableColumns[_pressedColumn] headerView]; 514 [headerView unsetThemeState:CPThemeStateHighlighted]; 515 } 516 517 if (column != -1) 518 { 519 var headerView = [_tableView._tableColumns[column] headerView]; 520 [headerView setThemeState:CPThemeStateHighlighted]; 521 } 522 else 523 { 524 // Once the mouse leaves the pressed column, it can no longer drag 525 _canDragColumn = NO; 526 } 527 528 _pressedColumn = column; 529} 530 531- (BOOL)_shouldDragTableColumn:(CPInteger)aColumnIndex at:(CGPoint)aPoint 532{ 533 return _canDragColumn && [_tableView allowsColumnReordering] && ABS(aPoint.x - _mouseDownLocation.x) >= CPTableHeaderViewDragTolerance; 534} 535 536- (void)_autoscroll:(CPEvent)theEvent localLocation:(CGPoint)theLocation 537{ 538 // Constrain the y coordinate so we don't autoscroll vertically 539 var constrainedLocation = CGPointMake(theLocation.x, CGRectGetMinY([_tableView visibleRect])), 540 constrainedEvent = [CPEvent mouseEventWithType:CPLeftMouseDragged 541 location:[self convertPoint:constrainedLocation toView:nil] 542 modifierFlags:[theEvent modifierFlags] 543 timestamp:[theEvent timestamp] 544 windowNumber:[theEvent windowNumber] 545 context:nil 546 eventNumber:0 547 clickCount:[theEvent clickCount] 548 pressure:[theEvent pressure]]; 549 550 [self autoscroll:constrainedEvent]; 551 [_tableView autoscroll:constrainedEvent]; 552} 553 554- (CGRect)_headerRectOfLastVisibleColumn 555{ 556 var tableColumns = [_tableView tableColumns], 557 columnIndex = [tableColumns count]; 558 559 while (columnIndex--) 560 { 561 var tableColumn = [tableColumns objectAtIndex:columnIndex]; 562 563 if (![tableColumn isHidden]) 564 return [self headerRectOfColumn:columnIndex]; 565 } 566 567 return nil; 568} 569 570- (CGPoint)_constrainDragPoint:(CGPoint)aPoint 571{ 572 // This effectively clamps the value between the minimum and maximum 573 var visibleRect = [_tableView visibleRect], 574 lastColumnRect = [self _headerRectOfLastVisibleColumn], 575 activeColumnRect = [self headerRectOfColumn:_activeColumn], 576 maxX = CGRectGetMaxX(lastColumnRect) - CGRectGetWidth(activeColumnRect) - CGRectGetMinX(visibleRect), 577 point = CGPointMake(MAX(MIN(aPoint.x, maxX), -CGRectGetMinX(visibleRect)), aPoint.y); 578 579 return point; 580} 581 582- (void)_moveColumn:(CPInteger)aFromIndex toColumn:(CPInteger)aToIndex 583{ 584 [_tableView moveColumn:aFromIndex toColumn:aToIndex]; 585 _activeColumn = aToIndex; 586 _pressedColumn = _activeColumn; 587 588 [_tableView _setDraggedColumn:_activeColumn]; 589 590 [self setNeedsDisplay:YES]; 591} 592 593- (BOOL)isDragging 594{ 595 return _isDragging; 596} 597 598- (void)_startDraggingTableColumn:(CPInteger)aColumnIndex at:(CGPoint)aPoint 599{ 600 _isDragging = YES; 601 _columnDragView = [_tableView _dragViewForColumn:aColumnIndex]; 602 _previousTrackingLocation = aPoint; 603 604 // Create a new clip view for the drag view that clips to the header + visible content 605 var headerHeight = CGRectGetHeight([self frame]), 606 scrollView = [self enclosingScrollView], 607 contentFrame = [[scrollView contentView] frame]; 608 609 contentFrame.origin.y -= headerHeight; 610 contentFrame.size.height += headerHeight; 611 612 _columnDragClipView = [[CPView alloc] initWithFrame:contentFrame]; 613 614 [_columnDragClipView addSubview:_columnDragView]; 615 616 // Insert the clip view above the table header (and content) 617 [scrollView addSubview:_columnDragClipView positioned:CPWindowAbove relativeTo:self]; 618 619 // Hide the underlying column header subviews, we just want to draw the chrome 620 var headerView = [[[_tableView tableColumns] objectAtIndex:aColumnIndex] headerView]; 621 622 [[headerView subviews] makeObjectsPerformSelector:@selector(setHidden:) withObject:YES]; 623 624 // The underlying column header shows normal state 625 [headerView unsetThemeState:CPThemeStateHighlighted | CPThemeStateSelected]; 626 627 // Keep track of the location within the column header where the original mousedown occurred 628 _columnDragHeaderView = [_columnDragView viewWithTag:CPTableHeaderViewDragColumnHeaderTag]; 629 630 _columnMouseDownLocation = [self convertPoint:_mouseDownLocation toView:_columnDragHeaderView]; 631 632 [_tableView _setDraggedColumn:aColumnIndex]; 633 634 [[CPCursor closedHandCursor] set]; 635 636 [self setNeedsDisplay:YES]; 637} 638 639- (void)_dragTableColumn:(CPInteger)aColumnIndex to:(CGPoint)aPoint 640{ 641 var delta = aPoint.x - _previousTrackingLocation.x, 642 columnPoint = [_columnDragHeaderView convertPoint:aPoint fromView:self]; 643 644 // Only move if the mouse is past the original click point in the direction of movement 645 if ((delta > 0 && columnPoint.x > _columnMouseDownLocation.x) || (delta < 0 && columnPoint.x < _columnMouseDownLocation.x)) 646 { 647 var dragFrame = [_columnDragView frame], 648 newOrigin = [self _constrainDragPoint:CGPointMake(CGRectGetMinX(dragFrame) + delta, CGRectGetMinY(dragFrame))]; 649 650 [_columnDragView setFrameOrigin:newOrigin]; 651 652 // When the edge of the dragged column passes the midpoint of an adjacent column, they swap 653 var hoverPoint = CGPointMakeCopy(aPoint); 654 655 // The drag frame is in content view coordinates, we need it to be in our coordinates 656 dragFrame = [self convertRect:dragFrame fromView:[_columnDragView superview]]; 657 658 if (delta > 0) 659 hoverPoint.x = CGRectGetMaxX(dragFrame); 660 else 661 hoverPoint.x = CGRectGetMinX(dragFrame); 662 663 var hoveredColumn = [self columnAtPoint:hoverPoint]; 664 665 if (hoveredColumn !== -1) 666 { 667 var columnRect = [self headerRectOfColumn:hoveredColumn], 668 columnCenterPoint = CGPointMake(CGRectGetMidX(columnRect), CGRectGetMidY(columnRect)); 669 670 if (hoveredColumn < _activeColumn && hoverPoint.x < columnCenterPoint.x) 671 [self _moveColumn:_activeColumn toColumn:hoveredColumn]; 672 else if (hoveredColumn > _activeColumn && hoverPoint.x > columnCenterPoint.x) 673 [self _moveColumn:_activeColumn toColumn:hoveredColumn]; 674 } 675 } 676 677 _previousTrackingLocation = aPoint; 678} 679 680- (void)_stopDraggingTableColumn:(CPInteger)aColumnIndex 681{ 682 _isDragging = NO; 683 684 [_columnDragClipView removeFromSuperview]; 685 [_tableView _setDraggedColumn:-1]; 686 687 var headerView = [[[_tableView tableColumns] objectAtIndex:aColumnIndex] headerView]; 688 689 [[headerView subviews] makeObjectsPerformSelector:@selector(setHidden:) withObject:NO]; 690 691 if (_tableView._draggedColumnIsSelected) 692 [headerView setThemeState:CPThemeStateSelected]; 693 694 var columnRect = [_tableView rectOfColumn:aColumnIndex]; 695 696 [_tableView _reloadDataViews]; 697 [[_tableView headerView] setNeedsLayout]; 698 699 [[CPCursor arrowCursor] set]; 700} 701 702- (BOOL)_shouldResizeTableColumn:(CPInteger)aColumnIndex at:(CGPoint)aPoint 703{ 704 if (_isResizing) 705 return YES; 706 707 return [_tableView allowsColumnResizing] && CGRectContainsPoint([self _cursorRectForColumn:aColumnIndex], aPoint); 708} 709 710- (void)_startResizingTableColumn:(CPInteger)aColumnIndex at:(CGPoint)aPoint 711{ 712 _isResizing = YES; 713 _previousTrackingLocation = aPoint; 714 _activeColumn = aColumnIndex; 715 716 var tableColumn = [[_tableView tableColumns] objectAtIndex:aColumnIndex]; 717 718 _columnOldWidth = [tableColumn width]; 719 720 [tableColumn setDisableResizingPosting:YES]; 721 [_tableView setDisableAutomaticResizing:YES]; 722} 723 724- (void)_continueResizingTableColumn:(CPInteger)aColumnIndex at:(CGPoint)aPoint 725{ 726 var tableColumn = [[_tableView tableColumns] objectAtIndex:aColumnIndex], 727 delta = aPoint.x - _previousTrackingLocation.x, 728 spacing = [_tableView intercellSpacing].width, 729 newWidth = [tableColumn width] + spacing + delta, 730 minWidth = [tableColumn minWidth] + spacing, 731 maxWidth = [tableColumn maxWidth] + spacing; 732 733 if (newWidth <= minWidth) 734 [[CPCursor resizeRightCursor] set]; 735 else if (newWidth >= maxWidth) 736 [[CPCursor resizeLeftCursor] set]; 737 else 738 [[CPCursor resizeLeftRightCursor] set]; 739 740 var columnRect = [_tableView rectOfColumn:aColumnIndex], 741 columnWidth = CGRectGetWidth(columnRect); 742 743 if ((delta > 0 && columnWidth == maxWidth) || (delta < 0 && columnWidth == minWidth)) 744 return; 745 746 var columnMinX = CGRectGetMinX(columnRect), 747 columnMaxX = CGRectGetMaxX(columnRect); 748 749 if ((delta > 0 && aPoint.x > columnMaxX) || (delta < 0 && aPoint.x < columnMaxX)) 750 { 751 [tableColumn setWidth:newWidth - spacing]; 752 753 [self setNeedsLayout]; 754 [self setNeedsDisplay:YES]; 755 } 756 757 _previousTrackingLocation = aPoint; 758} 759 760- (void)_stopResizingTableColumn:(CPInteger)aColumnIndex 761{ 762 var tableColumn = [[_tableView tableColumns] objectAtIndex:aColumnIndex]; 763 764 if ([tableColumn width] != _columnOldWidth) 765 [_tableView _didResizeTableColumn:tableColumn oldWidth:_columnOldWidth]; 766 767 [tableColumn setDisableResizingPosting:NO]; 768 [_tableView setDisableAutomaticResizing:NO]; 769 770 _isResizing = NO; 771} 772 773- (void)_updateResizeCursor:(CPEvent)theEvent 774{ 775 // never get stuck in resize cursor mode (FIXME take out when we turn on tracking rects) 776 if (![_tableView allowsColumnResizing] || ([theEvent type] === CPLeftMouseUp && ![[self window] acceptsMouseMovedEvents])) 777 { 778 [[CPCursor arrowCursor] set]; 779 return; 780 } 781 782 var mouseLocation = [self convertPoint:[theEvent locationInWindow] fromView:nil], 783 mouseOverLocation = CGPointMake(MAX(mouseLocation.x - CPTableHeaderViewResizeZone, 0.0), mouseLocation.y), 784 overColumn = [self columnAtPoint:mouseOverLocation]; 785 786 if (overColumn >= 0 && CGRectContainsPoint([self _cursorRectForColumn:overColumn], mouseLocation)) 787 { 788 var tableColumn = [[_tableView tableColumns] objectAtIndex:overColumn], 789 spacing = [_tableView intercellSpacing].width, 790 width = [tableColumn width]; 791 792 if (width <= [tableColumn minWidth]) 793 [[CPCursor resizeRightCursor] set]; 794 else if (width >= [tableColumn maxWidth]) 795 [[CPCursor resizeLeftCursor] set]; 796 else 797 [[CPCursor resizeLeftRightCursor] set]; 798 } 799 else 800 [[CPCursor arrowCursor] set]; 801} 802 803@end // CPTableView (CPTableViewPrivate) 804 805var CPTableHeaderViewTableViewKey = @"CPTableHeaderViewTableViewKey"; 806 807@implementation CPTableHeaderView (CPCoding) 808 809- (id)initWithCoder:(CPCoder)aCoder 810{ 811 if (self = [super initWithCoder:aCoder]) 812 { 813 [self _init]; 814 _tableView = [aCoder decodeObjectForKey:CPTableHeaderViewTableViewKey]; 815 } 816 817 return self; 818} 819 820- (void)encodeWithCoder:(CPCoder)aCoder 821{ 822 [super encodeWithCoder:aCoder]; 823 [aCoder encodeObject:_tableView forKey:CPTableHeaderViewTableViewKey]; 824} 825 826@end