forked from glebd/bwtoolkit
-
Notifications
You must be signed in to change notification settings - Fork 0
/
BWSplitView.m
1434 lines (1135 loc) · 48 KB
/
BWSplitView.m
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
//
// BWSplitView.m
// BWToolkit
//
// Created by Brandon Walkin (www.brandonwalkin.com) and Fraser Kuyvenhoven.
// All code is provided under the New BSD license.
//
#import "BWSplitView.h"
#import "BWAnchoredButtonBar.h"
#import "NSColor+BWAdditions.h"
#import "NSEvent+BWAdditions.h"
static NSGradient *gradient;
static NSImage *dimpleImageBitmap, *dimpleImageVector;
static NSColor *borderColor, *gradientStartColor, *gradientEndColor;
static float scaleFactor = 1.0f;
#define dimpleDimension 4.0f
#define RESIZE_DEBUG_LOGS 0
@interface BWSplitView (BWSVPrivate)
- (void)drawDimpleInRect:(NSRect)aRect;
- (void)drawGradientDividerInRect:(NSRect)aRect;
- (int)resizableSubviews;
- (BOOL)subviewIsResizable:(NSView *)subview;
- (BOOL)subviewIsCollapsible:(NSView *)subview;
- (BOOL)subviewIsCollapsed:(NSView *)subview;
- (int)collapsibleSubviewIndex;
- (NSView *)collapsibleSubview;
- (BOOL)hasCollapsibleSubview;
- (BOOL)collapsibleSubviewIsCollapsed;
- (CGFloat)subviewMinimumSize:(int)subviewIndex;
- (CGFloat)subviewMaximumSize:(int)subviewIndex;
- (void)recalculatePreferredProportionsAndSizes;
- (BOOL)validatePreferredProportionsAndSizes;
- (void)validateAndCalculatePreferredProportionsAndSizes;
- (void)clearPreferredProportionsAndSizes;
- (void)resizeAndAdjustSubviews;
@end
@interface BWSplitView ()
@property BOOL checkboxIsEnabled;
@end
@implementation BWSplitView
@synthesize color, colorIsEnabled, checkboxIsEnabled, minValues, maxValues, minUnits, maxUnits, collapsiblePopupSelection, dividerCanCollapse, collapsibleSubviewCollapsed;
@synthesize resizableSubviewPreferredProportion, nonresizableSubviewPreferredSize, stateForLastPreferredCalculations;
@synthesize toggleCollapseButton, secondaryDelegate;
+ (void)initialize;
{
borderColor = [[NSColor colorWithCalibratedWhite:(165.0f / 255.0f) alpha:1] retain];
gradientStartColor = [[NSColor colorWithCalibratedWhite:(253.0f / 255.0f) alpha:1] retain];
gradientEndColor = [[NSColor colorWithCalibratedWhite:(222.0f / 255.0f) alpha:1] retain];
gradient = [[NSGradient alloc] initWithStartingColor:gradientStartColor endingColor:gradientEndColor];
NSBundle *bundle = [NSBundle bundleForClass:[BWSplitView class]];
dimpleImageBitmap = [[NSImage alloc] initWithContentsOfFile:[bundle pathForImageResource:@"GradientSplitViewDimpleBitmap.tif"]];
dimpleImageVector = [[NSImage alloc] initWithContentsOfFile:[bundle pathForImageResource:@"GradientSplitViewDimpleVector.pdf"]];
[dimpleImageBitmap setFlipped:YES];
[dimpleImageVector setFlipped:YES];
}
- (id)initWithCoder:(NSCoder *)decoder;
{
if ((self = [super initWithCoder:decoder]) != nil)
{
[self setColor:[decoder decodeObjectForKey:@"BWSVColor"]];
[self setColorIsEnabled:[decoder decodeBoolForKey:@"BWSVColorIsEnabled"]];
[self setMinValues:[decoder decodeObjectForKey:@"BWSVMinValues"]];
[self setMaxValues:[decoder decodeObjectForKey:@"BWSVMaxValues"]];
[self setMinUnits:[decoder decodeObjectForKey:@"BWSVMinUnits"]];
[self setMaxUnits:[decoder decodeObjectForKey:@"BWSVMaxUnits"]];
[self setCollapsiblePopupSelection:[decoder decodeIntForKey:@"BWSVCollapsiblePopupSelection"]];
[self setDividerCanCollapse:[decoder decodeBoolForKey:@"BWSVDividerCanCollapse"]];
// Delegate set in nib has been decoded, but we want that to be the secondary delegate
[self setDelegate:[super delegate]];
[super setDelegate:self];
}
return self;
}
- (void)encodeWithCoder:(NSCoder*)coder
{
// Temporarily change delegate
[super setDelegate:secondaryDelegate];
[super encodeWithCoder:coder];
[coder encodeObject:[self color] forKey:@"BWSVColor"];
[coder encodeBool:[self colorIsEnabled] forKey:@"BWSVColorIsEnabled"];
[coder encodeObject:[self minValues] forKey:@"BWSVMinValues"];
[coder encodeObject:[self maxValues] forKey:@"BWSVMaxValues"];
[coder encodeObject:[self minUnits] forKey:@"BWSVMinUnits"];
[coder encodeObject:[self maxUnits] forKey:@"BWSVMaxUnits"];
[coder encodeInt:[self collapsiblePopupSelection] forKey:@"BWSVCollapsiblePopupSelection"];
[coder encodeBool:[self dividerCanCollapse] forKey:@"BWSVDividerCanCollapse"];
// Set delegate back
[self setDelegate:[super delegate]];
[super setDelegate:self];
}
- (void)awakeFromNib
{
scaleFactor = [[NSScreen mainScreen] userSpaceScaleFactor];
}
- (void)drawDividerInRect:(NSRect)aRect
{
if ([self dividerThickness] < 1.01)
{
if (colorIsEnabled && color != nil)
[color drawSwatchInRect:aRect];
else
[super drawDividerInRect:aRect];
}
else
{
[self drawGradientDividerInRect:aRect];
}
}
- (void)drawGradientDividerInRect:(NSRect)aRect
{
aRect = [self centerScanRect:aRect];
if ([self isVertical])
{
// Draw gradient
NSRect gradRect = NSMakeRect(aRect.origin.x + 1 / scaleFactor,aRect.origin.y,aRect.size.width - 1 / scaleFactor,aRect.size.height);
[gradient drawInRect:gradRect angle:0];
// Draw left and right borders
[borderColor bwDrawPixelThickLineAtPosition:0 withInset:0 inRect:aRect inView:self horizontal:NO flip:NO];
[borderColor bwDrawPixelThickLineAtPosition:0 withInset:0 inRect:aRect inView:self horizontal:NO flip:YES];
}
else
{
// Draw gradient
NSRect gradRect = NSMakeRect(aRect.origin.x,aRect.origin.y + 1 / scaleFactor,aRect.size.width,aRect.size.height - 1 / scaleFactor);
[gradient drawInRect:gradRect angle:90];
// Draw top and bottom borders
[borderColor bwDrawPixelThickLineAtPosition:0 withInset:0 inRect:aRect inView:self horizontal:YES flip:NO];
[borderColor bwDrawPixelThickLineAtPosition:0 withInset:0 inRect:aRect inView:self horizontal:YES flip:YES];
}
[self drawDimpleInRect:aRect];
}
- (void)drawDimpleInRect:(NSRect)aRect
{
float startY = aRect.origin.y + roundf((aRect.size.height / 2) - (dimpleDimension / 2));
float startX = aRect.origin.x + roundf((aRect.size.width / 2) - (dimpleDimension / 2));
NSRect destRect = NSMakeRect(startX,startY,dimpleDimension,dimpleDimension);
// Draw at pixel bounds
destRect = [self convertRectToBase:destRect];
destRect.origin.x = floor(destRect.origin.x);
double param, fractPart, intPart;
param = destRect.origin.y;
fractPart = modf(param, &intPart);
if (fractPart < 0.99)
destRect.origin.y = floor(destRect.origin.y);
destRect = [self convertRectFromBase:destRect];
if (scaleFactor == 1)
{
NSRect dimpleRect = NSMakeRect(0,0,dimpleDimension,dimpleDimension);
[dimpleImageBitmap drawInRect:destRect fromRect:dimpleRect operation:NSCompositeSourceOver fraction:1];
}
else
{
NSRect dimpleRect = NSMakeRect(0,0,[dimpleImageVector size].width,[dimpleImageVector size].height);
[dimpleImageVector drawInRect:destRect fromRect:dimpleRect operation:NSCompositeSourceOver fraction:1];
}
}
- (void)setDelegate:(id)anObj
{
if (secondaryDelegate != self)
secondaryDelegate = anObj;
else
secondaryDelegate = nil;
}
- (BOOL)subviewIsCollapsible:(NSView *)subview;
{
// check if this is the collapsible subview
int subviewIndex = [[self subviews] indexOfObject:subview];
BOOL isCollapsibleSubview = (([self collapsiblePopupSelection] == 1 && subviewIndex == 0) || ([self collapsiblePopupSelection] == 2 && subviewIndex == [[self subviews] count] - 1));
return isCollapsibleSubview;
}
- (BOOL)subviewIsCollapsed:(NSView *)subview;
{
BOOL isCollapsibleSubview = [self subviewIsCollapsible:subview];
return [super isSubviewCollapsed:subview] || (isCollapsibleSubview && collapsibleSubviewCollapsed);
}
- (BOOL)collapsibleSubviewIsCollapsed;
{
return [self subviewIsCollapsed:[self collapsibleSubview]];
}
- (int)collapsibleSubviewIndex;
{
switch ([self collapsiblePopupSelection]) {
case 1:
return 0;
break;
case 2:
return [[self subviews] count] - 1;
break;
default:
return -1;
break;
}
}
- (NSView *)collapsibleSubview;
{
int index = [self collapsibleSubviewIndex];
if (index >= 0)
return [[self subviews] objectAtIndex:index];
else
return nil;
}
- (BOOL)hasCollapsibleSubview;
{
if ([self respondsToSelector:@selector(ibDidAddToDesignableDocument:)])
return NO;
return [self collapsiblePopupSelection] != 0;
}
// This is done to support the use of Core Animation to collapse subviews
- (void)adjustSubviews
{
[super adjustSubviews];
[[self window] invalidateCursorRectsForView:self];
}
- (void)setCollapsibleSubviewCollapsedHelper:(NSNumber *)flag
{
[self setCollapsibleSubviewCollapsed:[flag boolValue]];
}
- (void)animationEnded
{
isAnimating = NO;
}
- (float)animationDuration
{
if ([NSEvent bwShiftKeyIsDown])
return 2.0;
return 0.25;
}
- (BOOL)hasCollapsibleDivider
{
if ([self hasCollapsibleSubview] && (dividerCanCollapse || [self dividerThickness] < 1.01))
return YES;
return NO;
}
- (int)collapsibleDividerIndex
{
if ([self hasCollapsibleDivider])
{
if ([self collapsiblePopupSelection] == 1)
return 0;
else if ([self collapsiblePopupSelection] == 2)
return [self subviews].count - 2;
}
return -1;
}
- (void)setCollapsibleSubviewCollapsed:(BOOL)flag
{
collapsibleSubviewCollapsed = flag;
if (flag)
[[self toggleCollapseButton] setState:0];
else
[[self toggleCollapseButton] setState:1];
}
- (void)setMinSizeForCollapsibleSubview:(NSNumber *)minSize
{
if ([self hasCollapsibleSubview])
{
NSMutableDictionary *tempMinValues = [[[self minValues] mutableCopy] autorelease];
[tempMinValues setObject:minSize forKey:[NSNumber numberWithInt:[[self subviews] indexOfObject:[self collapsibleSubview]]]];
[self setMinValues:tempMinValues];
}
}
- (void)removeMinSizeForCollapsibleSubview
{
if ([self hasCollapsibleSubview])
{
NSMutableDictionary *tempMinValues = [[[self minValues] mutableCopy] autorelease];
[tempMinValues removeObjectForKey:[NSNumber numberWithInt:[[self subviews] indexOfObject:[self collapsibleSubview]]]];
[self setMinValues:tempMinValues];
}
}
- (void)restoreAutoresizesSubviews:(NSNumber *)flag
{
[[self collapsibleSubview] setAutoresizesSubviews:[flag boolValue]];
}
- (IBAction)toggleCollapse:(id)sender
{
if ([self respondsToSelector:@selector(ibDidAddToDesignableDocument:)])
return;
if ([self hasCollapsibleSubview] == NO || [self collapsibleSubview] == nil)
return;
if (isAnimating)
return;
// Check to see if the collapsible subview has a minimum width/height and record it.
// We'll later remove the min size temporarily while animating and then restore it.
BOOL hasMinSize = NO;
NSNumber *minSize = [minValues objectForKey:[NSNumber numberWithInt:[[self subviews] indexOfObject:[self collapsibleSubview]]]];
minSize = [[minSize copy] autorelease];
if (minSize != nil || [minSize intValue] != 0)
hasMinSize = YES;
// Get a reference to the button and modify its behavior
if ([self toggleCollapseButton] == nil)
{
[self setToggleCollapseButton:sender];
[[toggleCollapseButton cell] setHighlightsBy:NSPushInCellMask];
[[toggleCollapseButton cell] setShowsStateBy:NSContentsCellMask];
}
// Temporary: For simplicty, there should only be 1 subview other than the collapsible subview that's resizable for the collapse to happen
NSView *resizableSubview = nil;
for (NSView *subview in [self subviews])
{
if ([self subviewIsResizable:subview] && subview != [self collapsibleSubview])
{
resizableSubview = subview;
}
}
if (resizableSubview == nil)
return;
// Record whether the collapsible subview is set to autoresize subviews so we can restore it after the animation
BOOL autoresizesSubviews = [[self collapsibleSubview] autoresizesSubviews];
// Turn off autoresizesSubviews on the collapsible subview
[[self collapsibleSubview] setAutoresizesSubviews:NO];
// Get the thickness of the collapsible divider. If the divider cannot collapse, we set it to 0 so it doesn't affect our calculations.
float collapsibleDividerThickness = [self dividerThickness];
if ([self hasCollapsibleDivider] == NO)
collapsibleDividerThickness = 0;
// Collapsing by dragging the divider sets the view to be hidden, so unhide it
[[self collapsibleSubview] setHidden:NO];
if ([self isVertical])
{
float constantHeight = [self collapsibleSubview].frame.size.height;
if ([self collapsibleSubviewCollapsed] == NO)
{
uncollapsedSize = [self collapsibleSubview].frame.size.width;
if (hasMinSize)
[self removeMinSizeForCollapsibleSubview];
[NSAnimationContext beginGrouping];
[[NSAnimationContext currentContext] setDuration:([self animationDuration])];
[[[self collapsibleSubview] animator] setFrameSize:NSMakeSize(0.0, constantHeight)];
[[resizableSubview animator] setFrameSize:NSMakeSize(resizableSubview.frame.size.width + uncollapsedSize + collapsibleDividerThickness, constantHeight)];
[NSAnimationContext endGrouping];
if (hasMinSize)
[self performSelector:@selector(setMinSizeForCollapsibleSubview:) withObject:minSize afterDelay:[self animationDuration]];
[self performSelector:@selector(setCollapsibleSubviewCollapsedHelper:) withObject:[NSNumber numberWithBool:YES] afterDelay:[self animationDuration]];
}
else
{
if (hasMinSize)
[self removeMinSizeForCollapsibleSubview];
[NSAnimationContext beginGrouping];
[[NSAnimationContext currentContext] setDuration:([self animationDuration])];
[[[self collapsibleSubview] animator] setFrameSize:NSMakeSize(uncollapsedSize, constantHeight)];
[[resizableSubview animator] setFrameSize:NSMakeSize(resizableSubview.frame.size.width - uncollapsedSize - collapsibleDividerThickness, constantHeight)];
[NSAnimationContext endGrouping];
if (hasMinSize)
[self performSelector:@selector(setMinSizeForCollapsibleSubview:) withObject:minSize afterDelay:[self animationDuration]];
[self setCollapsibleSubviewCollapsed:NO];
}
}
else
{
float constantWidth = [self collapsibleSubview].frame.size.width;
if ([self collapsibleSubviewCollapsed] == NO)
{
uncollapsedSize = [self collapsibleSubview].frame.size.height;
if (hasMinSize)
[self removeMinSizeForCollapsibleSubview];
[NSAnimationContext beginGrouping];
[[NSAnimationContext currentContext] setDuration:([self animationDuration])];
[[[self collapsibleSubview] animator] setFrameSize:NSMakeSize(constantWidth, 0.0)];
[[resizableSubview animator] setFrameSize:NSMakeSize(constantWidth, resizableSubview.frame.size.height + uncollapsedSize + collapsibleDividerThickness)];
[NSAnimationContext endGrouping];
if (hasMinSize)
[self performSelector:@selector(setMinSizeForCollapsibleSubview:) withObject:minSize afterDelay:[self animationDuration]];
[self performSelector:@selector(setCollapsibleSubviewCollapsedHelper:) withObject:[NSNumber numberWithBool:YES] afterDelay:[self animationDuration]];
}
else
{
if (hasMinSize)
[self removeMinSizeForCollapsibleSubview];
[NSAnimationContext beginGrouping];
[[NSAnimationContext currentContext] setDuration:([self animationDuration])];
[[[self collapsibleSubview] animator] setFrameSize:NSMakeSize(constantWidth, uncollapsedSize)];
[[resizableSubview animator] setFrameSize:NSMakeSize(constantWidth, resizableSubview.frame.size.height - uncollapsedSize - collapsibleDividerThickness)];
[NSAnimationContext endGrouping];
if (hasMinSize)
[self performSelector:@selector(setMinSizeForCollapsibleSubview:) withObject:minSize afterDelay:[self animationDuration]];
[self setCollapsibleSubviewCollapsed:NO];
}
}
isAnimating = YES;
[self performSelector:@selector(animationEnded) withObject:nil afterDelay:[self animationDuration]];
[self performSelector:@selector(restoreAutoresizesSubviews:) withObject:[NSNumber numberWithBool:autoresizesSubviews] afterDelay:[self animationDuration]];
[self performSelector:@selector(resizeAndAdjustSubviews) withObject:nil afterDelay:[self animationDuration]];
}
#pragma mark Mouse Tracking Methods
- (void)mouseDown:(NSEvent *)theEvent
{
// Set the uncollapsed size whenever the split view is clicked or a drag has began. This lets us uncollapse to the size of the subview before the drag-collapse.
if ([self hasCollapsibleSubview])
{
CGFloat collapsibleViewSize = [self isVertical] ? [self collapsibleSubview].frame.size.width : [self collapsibleSubview].frame.size.height;
if (!isAnimating && collapsibleViewSize > 0)
uncollapsedSize = collapsibleViewSize;
}
[super mouseDown:theEvent];
}
#pragma mark NSSplitView Delegate Methods
- (BOOL)splitView:(NSSplitView *)splitView shouldHideDividerAtIndex:(NSInteger)dividerIndex
{
if ([secondaryDelegate respondsToSelector:@selector(splitView:shouldHideDividerAtIndex:)] &&
[secondaryDelegate isKindOfClass:[BWAnchoredButtonBar class]] == NO)
return [secondaryDelegate splitView:splitView shouldHideDividerAtIndex:dividerIndex];
if ([self respondsToSelector:@selector(ibDidAddToDesignableDocument:)] == NO)
{
if ([self hasCollapsibleDivider] && [self collapsibleDividerIndex] == dividerIndex)
{
[self setDividerCanCollapse:YES];
return YES;
}
}
return NO;
}
- (NSRect)splitView:(NSSplitView *)splitView additionalEffectiveRectOfDividerAtIndex:(NSInteger)dividerIndex
{
if ([secondaryDelegate respondsToSelector:@selector(splitView:additionalEffectiveRectOfDividerAtIndex:)])
return [secondaryDelegate splitView:splitView additionalEffectiveRectOfDividerAtIndex:dividerIndex];
return NSZeroRect;
}
- (BOOL)splitView:(NSSplitView *)sender canCollapseSubview:(NSView *)subview
{
if ([secondaryDelegate respondsToSelector:@selector(splitView:canCollapseSubview:)] &&
[secondaryDelegate isKindOfClass:[BWAnchoredButtonBar class]] == NO)
return [secondaryDelegate splitView:sender canCollapseSubview:subview];
int subviewIndex = [[self subviews] indexOfObject:subview];
if ([self respondsToSelector:@selector(ibDidAddToDesignableDocument:)] == NO)
{
if ([self collapsiblePopupSelection] == 1 && subviewIndex == 0)
return YES;
else if ([self collapsiblePopupSelection] == 2 && subviewIndex == [[self subviews] count] - 1)
return YES;
}
return NO;
}
- (BOOL)splitView:(NSSplitView *)splitView shouldCollapseSubview:(NSView *)subview forDoubleClickOnDividerAtIndex:(NSInteger)dividerIndex
{
if ([secondaryDelegate respondsToSelector:@selector(splitView:shouldCollapseSubview:forDoubleClickOnDividerAtIndex:)] &&
[secondaryDelegate isKindOfClass:[BWAnchoredButtonBar class]] == NO)
return [secondaryDelegate splitView:splitView shouldCollapseSubview:subview forDoubleClickOnDividerAtIndex:dividerIndex];
int subviewIndex = [[self subviews] indexOfObject:subview];
if ([self respondsToSelector:@selector(ibDidAddToDesignableDocument:)] == NO)
{
if (([self collapsiblePopupSelection] == 1 && subviewIndex == 0 && dividerIndex == 0) ||
([self collapsiblePopupSelection] == 2 && subviewIndex == [[self subviews] count] - 1 && dividerIndex == [[splitView subviews] count] - 2))
{
if ([self isVertical])
uncollapsedSize = [self collapsibleSubview].frame.size.width;
else
uncollapsedSize = [self collapsibleSubview].frame.size.height;
[self setCollapsibleSubviewCollapsed:YES];
// Cause the collapse ourselves by calling the resize method
[self resizeAndAdjustSubviews];
[self setNeedsDisplay:YES];
// Since we manually did the resize above, we pretend that we don't want to collapse
return NO;
}
}
return NO;
}
- (CGFloat)splitView:(NSSplitView *)sender constrainMaxCoordinate:(CGFloat)proposedMax ofSubviewAt:(NSInteger)offset
{
if ([secondaryDelegate respondsToSelector:@selector(splitView:constrainMaxCoordinate:ofSubviewAt:)] &&
[secondaryDelegate isKindOfClass:[BWAnchoredButtonBar class]] == NO)
return [secondaryDelegate splitView:sender constrainMaxCoordinate:proposedMax ofSubviewAt:offset];
// Max coordinate depends on max of subview offset, and the min of subview offset + 1
CGFloat newMaxFromThisSubview = proposedMax;
CGFloat newMaxFromNextSubview = proposedMax;
// Max from this subview
CGFloat maxValue = [self subviewMaximumSize:offset];
if (maxValue != FLT_MAX)
{
NSView *subview = [[self subviews] objectAtIndex:offset];
CGFloat originCoord = [self isVertical] ? [subview frame].origin.x : [subview frame].origin.y;
newMaxFromThisSubview = originCoord + maxValue;
}
// Max from the next subview
int nextOffset = offset + 1;
if ([[self subviews] count] > nextOffset)
{
CGFloat minValue = [self subviewMinimumSize:nextOffset];
if (minValue != 0)
{
NSView *subview = [[self subviews] objectAtIndex:nextOffset];
CGFloat endCoord = [self isVertical] ? [subview frame].origin.x + [subview frame].size.width : [subview frame].origin.y + [subview frame].size.height;
newMaxFromNextSubview = endCoord - minValue - [self dividerThickness];
// This could cause trouble when over constrained (TODO)
}
}
CGFloat newMax = fminf(newMaxFromThisSubview, newMaxFromNextSubview);
if (newMax < proposedMax)
return newMax;
return proposedMax;
}
- (CGFloat)splitView:(NSSplitView *)sender constrainMinCoordinate:(CGFloat)proposedMin ofSubviewAt:(NSInteger)offset
{
if ([secondaryDelegate respondsToSelector:@selector(splitView:constrainMinCoordinate:ofSubviewAt:)] &&
[secondaryDelegate isKindOfClass:[BWAnchoredButtonBar class]] == NO)
return [secondaryDelegate splitView:sender constrainMinCoordinate:proposedMin ofSubviewAt:offset];
// Min coordinate depends on min of subview offset and the max of subview offset + 1
CGFloat newMinFromThisSubview = proposedMin;
CGFloat newMaxFromNextSubview = proposedMin;
// Min from this subview
CGFloat minValue = [self subviewMinimumSize:offset];
if (minValue != 0)
{
NSView *subview = [[self subviews] objectAtIndex:offset];
CGFloat originCoord = [self isVertical] ? [subview frame].origin.x : [subview frame].origin.y;
newMinFromThisSubview = originCoord + minValue;
}
// Min from the next subview
int nextOffset = offset + 1;
if ([[self subviews] count] > nextOffset)
{
CGFloat maxValue = [self subviewMaximumSize:nextOffset];
if (maxValue != FLT_MAX)
{
NSView *subview = [[self subviews] objectAtIndex:nextOffset];
CGFloat endCoord = [self isVertical] ? [subview frame].origin.x + [subview frame].size.width : [subview frame].origin.y + [subview frame].size.height;
newMaxFromNextSubview = endCoord - maxValue - [self dividerThickness];
// This could cause trouble when over constrained (TODO)
}
}
CGFloat newMin = fmaxf(newMinFromThisSubview, newMaxFromNextSubview);
if (newMin > proposedMin)
return newMin;
return proposedMin;
}
- (CGFloat)splitView:(NSSplitView *)sender constrainSplitPosition:(CGFloat)proposedPosition ofSubviewAt:(NSInteger)offset
{
[self clearPreferredProportionsAndSizes];
if ([self respondsToSelector:@selector(ibDidAddToDesignableDocument:)])
return proposedPosition;
if ([secondaryDelegate respondsToSelector:@selector(splitView:constrainSplitPosition:ofSubviewAt:)] &&
[secondaryDelegate isKindOfClass:[BWAnchoredButtonBar class]] == NO)
return [secondaryDelegate splitView:sender constrainSplitPosition:proposedPosition ofSubviewAt:offset];
return proposedPosition;
}
- (NSRect)splitView:(NSSplitView *)splitView effectiveRect:(NSRect)proposedEffectiveRect forDrawnRect:(NSRect)drawnRect ofDividerAtIndex:(NSInteger)dividerIndex
{
if ([secondaryDelegate respondsToSelector:@selector(splitView:effectiveRect:forDrawnRect:ofDividerAtIndex:)])
return [secondaryDelegate splitView:splitView effectiveRect:proposedEffectiveRect forDrawnRect:drawnRect ofDividerAtIndex:dividerIndex];
return proposedEffectiveRect;
}
- (void)splitViewDidResizeSubviews:(NSNotification *)aNotification
{
if (collapsibleSubviewCollapsed && ([self isVertical] ? [[self collapsibleSubview] frame].size.width > 0 : [[self collapsibleSubview] frame].size.height > 0))
{
[self setCollapsibleSubviewCollapsed:NO];
[self resizeAndAdjustSubviews];
}
else if (!collapsibleSubviewCollapsed && ([self isVertical] ? [[self collapsibleSubview] frame].size.width < 0.1 : [[self collapsibleSubview] frame].size.height < 0.1))
{
[self setCollapsibleSubviewCollapsed:YES];
[self resizeAndAdjustSubviews];
}
else if ([self collapsibleSubviewIsCollapsed])
{
[self resizeAndAdjustSubviews];
}
[self setNeedsDisplay:YES];
if ([secondaryDelegate respondsToSelector:@selector(splitViewDidResizeSubviews:)])
[secondaryDelegate splitViewDidResizeSubviews:aNotification];
}
- (void)splitViewWillResizeSubviews:(NSNotification *)aNotification
{
if ([secondaryDelegate respondsToSelector:@selector(splitViewWillResizeSubviews:)])
[secondaryDelegate splitViewWillResizeSubviews:aNotification];
}
#pragma mark - Resize Subviews Delegate Method and Helper Methods
- (int)resizableSubviews
{
int resizableSubviews = 0;
for (NSView *subview in [self subviews])
{
if ([self subviewIsResizable:subview])
resizableSubviews++;
}
return resizableSubviews;
}
- (BOOL)subviewIsResizable:(NSView *)subview
{
if ([self isVertical] && [subview autoresizingMask] & NSViewWidthSizable)
return YES;
if (![self isVertical] && [subview autoresizingMask] & NSViewHeightSizable)
return YES;
return NO;
}
- (CGFloat)subviewMinimumSize:(int)subviewIndex;
{
NSNumber *minNum = [minValues objectForKey:[NSNumber numberWithInt:subviewIndex]];
if (!minNum)
return 0;
int units = 0;
NSNumber *unitsNum = [minUnits objectForKey:[NSNumber numberWithInt:subviewIndex]];
if (unitsNum)
units = [unitsNum intValue];
CGFloat min = [minNum floatValue];
switch (units)
{
case 1:
{
// Percent
CGFloat dividerThicknessTotal = [self dividerThickness] * ([[self subviews] count] - 1);
CGFloat totalSize = [self isVertical] ? [self frame].size.width : [self frame].size.height;
totalSize -= dividerThicknessTotal;
return roundf((min / 100.0) * totalSize);
break;
}
case 0:
default:
{
// Points
return min;
break;
}
}
}
- (CGFloat)subviewMaximumSize:(int)subviewIndex;
{
NSNumber *maxNum = [maxValues objectForKey:[NSNumber numberWithInt:subviewIndex]];
if (!maxNum)
return FLT_MAX;
int units = 0;
NSNumber *unitsNum = [maxUnits objectForKey:[NSNumber numberWithInt:subviewIndex]];
if (unitsNum)
units = [unitsNum intValue];
CGFloat max = [maxNum floatValue];
switch (units)
{
case 1:
{
// Percent
CGFloat dividerThicknessTotal = [self dividerThickness] * ([[self subviews] count] - 1);
CGFloat totalSize = [self isVertical] ? [self frame].size.width : [self frame].size.height;
totalSize -= dividerThicknessTotal;
return roundf((max / 100.0) * totalSize);
break;
}
case 0:
default:
{
// Points
return max;
break;
}
}
}
// PREFERRED PROPORTIONS AND SIZES
//
// Preferred proportions (for resizable)
// Need to store resizable subviews preferred proportions for calculating new sizes
//
// Preferred sizes (for non-resizable)
// If a non-resizable subview is ever forced larger or smaller than it prefers, we need to know it's preferred size
//
// Need to recalculate both of the above whenever a divider is moved, or a subview is added/removed or changed between resizable/non-resizable
- (void)recalculatePreferredProportionsAndSizes;
{
NSMutableArray *stateArray = [NSMutableArray arrayWithCapacity:[[self subviews] count]];
NSMutableDictionary *preferredProportions = [NSMutableDictionary dictionary];
NSMutableDictionary *preferredSizes = [NSMutableDictionary dictionary];
// Total is only the sum of resizable subviews
CGFloat resizableTotal = 0;
// Calculate resizable total
for (NSView *subview in [self subviews])
{
if ([self subviewIsResizable:subview])
resizableTotal += [self isVertical] ? [subview frame].size.width : [subview frame].size.height;
}
// Calculate resizable preferred propotions and set non-resizable preferred sizes
for (NSView *subview in [self subviews])
{
int index = [[self subviews] indexOfObject:subview];
if ([self subviewIsResizable:subview])
{
CGFloat size = [self isVertical] ? [subview frame].size.width : [subview frame].size.height;
CGFloat proportion = (resizableTotal > 0) ? (size / resizableTotal) : 0;
[preferredProportions setObject:[NSNumber numberWithFloat:proportion]
forKey:[NSNumber numberWithInt:index]];
[stateArray addObject:[NSNumber numberWithBool:YES]];
}
else
{
CGFloat size = [self isVertical] ? [subview frame].size.width : [subview frame].size.height;
[preferredSizes setObject:[NSNumber numberWithFloat:size]
forKey:[NSNumber numberWithInt:index]];
[stateArray addObject:[NSNumber numberWithBool:NO]];
}
}
[self setResizableSubviewPreferredProportion:preferredProportions];
[self setNonresizableSubviewPreferredSize:preferredSizes];
if (RESIZE_DEBUG_LOGS) NSLog(@"resizableSubviewPreferredProportion: %@", resizableSubviewPreferredProportion);
if (RESIZE_DEBUG_LOGS) NSLog(@"nonresizableSubviewPreferredSize: %@", nonresizableSubviewPreferredSize);
// Remember state to know when to recalculate
[self setStateForLastPreferredCalculations:stateArray];
if (RESIZE_DEBUG_LOGS) NSLog(@"stateForLastPreferredCalculations: %@", stateForLastPreferredCalculations);
}
// Checks if the number or type of subviews has changed since we last recalculated
- (BOOL)validatePreferredProportionsAndSizes;
{
if (RESIZE_DEBUG_LOGS) NSLog(@"validating preferred proportions and sizes");
// Check if we even have saved proportions and sizes
if (![self resizableSubviewPreferredProportion] || ![self nonresizableSubviewPreferredSize])
return NO;
// Check if number of items has changed
if ([[self subviews] count] != [[self stateForLastPreferredCalculations] count])
return NO;
// Check if any of the subviews have changed between resizable and non-resizable
for (NSView *subview in [self subviews])
{
int index = [[self subviews] indexOfObject:subview];
if ([self subviewIsResizable:subview] != [[[self stateForLastPreferredCalculations] objectAtIndex:index] boolValue])
return NO;
}
return YES;
}
- (void)correctCollapsiblePreferredProportionOrSize;
{
// TODO: Assuming that the collapsible subview does not change between resizable and non-resizable while collapsed
if (![self hasCollapsibleSubview])
return;
NSMutableDictionary *preferredProportions = [[[self resizableSubviewPreferredProportion] mutableCopy] autorelease];
NSMutableDictionary *preferredSizes = [[[self nonresizableSubviewPreferredSize] mutableCopy] autorelease];
NSNumber *key = [NSNumber numberWithInt:[self collapsibleSubviewIndex]];
NSView *subview = [self collapsibleSubview];
// If the collapsible subview is collapsed, we put aside its preferred propotion/size
if ([self subviewIsCollapsed:subview])
{
BOOL resizable = [self subviewIsResizable:subview];
if (!resizable)
{
NSNumber *sizeNum = [preferredSizes objectForKey:key];
if (sizeNum)
{
if (RESIZE_DEBUG_LOGS) NSLog(@"removing collapsible view from preferred sizes");
// TODO: Save the size for later
// Remove from preferred sizes
[preferredSizes removeObjectForKey:key];
}
}
else
{
NSNumber *proportionNum = [preferredProportions objectForKey:key];
if (proportionNum)
{
if (RESIZE_DEBUG_LOGS) NSLog(@"removing collapsible view from preferred proportions");
CGFloat proportion = [proportionNum floatValue];
// TODO: Save the proportion for later
// Remove from preferred proportions
[preferredProportions removeObjectForKey:key];
// Recalculate other proportions
CGFloat proportionTotal = 1.0 - proportion;
if (proportionTotal > 0)
{
for (NSNumber *pkey in [preferredProportions allKeys])
{
CGFloat oldProportion = [[preferredProportions objectForKey:pkey] floatValue];
CGFloat newPropotion = oldProportion / proportionTotal;
[preferredProportions setObject:[NSNumber numberWithFloat:newPropotion] forKey:pkey];
}
}
}
}
[self setResizableSubviewPreferredProportion:preferredProportions];
[self setNonresizableSubviewPreferredSize:preferredSizes];
}
else // Otherwise, we reintegrate its preferred proportion/size
{
[self clearPreferredProportionsAndSizes];
[self recalculatePreferredProportionsAndSizes];
}
}
- (void)validateAndCalculatePreferredProportionsAndSizes;
{
if (![self validatePreferredProportionsAndSizes])
[self recalculatePreferredProportionsAndSizes];
// Need to make sure the collapsed subviews preferred size/proportion is in the right place
[self correctCollapsiblePreferredProportionOrSize];
}
- (void)clearPreferredProportionsAndSizes;
{
if (RESIZE_DEBUG_LOGS) NSLog(@"clearing preferred proportions and sizes");
[self setResizableSubviewPreferredProportion:nil];
[self setNonresizableSubviewPreferredSize:nil];
}
// RESIZING ALGORITHM
// non-resizable subviews are given preferred size
// overall remaining size is calculated
// resizable subviews are calculated based on remaining size and preferred proportions
// resizable subviews are checked for min/max constraint violations
// if violating constraint, set to valid size and remove from resizable subviews
// recalculate other resizable subviews and repeat
// if all resizable subviews reached constraints without meeting target size, need to resize non-resizable views
// non-resizable subviews are adjusted proportionally to meet target size