2 Copyright (C) 2000-2005 SKYRIX Software AG
4 This file is part of SOPE.
6 SOPE is free software; you can redistribute it and/or modify it under
7 the terms of the GNU Lesser General Public License as published by the
8 Free Software Foundation; either version 2, or (at your option) any
11 SOPE is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
14 License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with SOPE; see the file COPYING. If not, write to the
18 Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
22 #include <NGObjWeb/WODisplayGroup.h>
23 #import <EOControl/EOControl.h>
24 #import <EOControl/EOKeyValueArchiver.h>
25 #import <Foundation/Foundation.h>
26 #import <Foundation/NSNotification.h>
29 @interface EODataSource(DGQualifierSetting)
30 - (void)setAuxiliaryQualifier:(EOQualifier *)_q;
31 - (void)setQualifier:(EOQualifier *)_q;
32 - (void)setQualifierBindings:(NSDictionary *)_bindings;
35 #if APPLE_FOUNDATION_LIBRARY || NeXT_Foundation_LIBRARY
36 @interface NSObject(Miss)
37 - (void)notImplemented:(SEL)cmd;
42 @interface NSObject(EditingContext)
44 - (void)addEditor:(id)_editor;
45 - (void)removeEditor:(id)_editor;
46 - (void)setMessageHandler:(id)_handler;
51 @implementation WODisplayGroup
53 static NSNumber *uint0 = nil;
54 static NSArray *uint0Array = nil;
58 uint0 = [[NSNumber alloc] initWithUnsignedInt:0];
59 if (uint0Array == nil)
60 uint0Array = [[NSArray alloc] initWithObjects:&uint0 count:1];
64 if ((self = [super init])) {
65 [self setDefaultStringMatchFormat:
66 [[self class] globalDefaultStringMatchFormat]];
67 [self setDefaultStringMatchOperator:
68 [[self class] globalDefaultStringMatchOperator]];
69 self->currentBatchIndex = 1;
75 [[NSNotificationCenter defaultCenter] removeObserver:self];
76 [self setDataSource:nil];
78 [self->_queryMatch release];
79 [self->_queryMin release];
80 [self->_queryMax release];
81 [self->_queryOperator release];
82 [self->_queryBindings release];
83 [self->defaultStringMatchFormat release];
84 [self->defaultStringMatchOperator release];
85 [self->qualifier release];
86 [self->objects release];
87 [self->displayObjects release];
88 [self->selectionIndexes release];
89 [self->sortOrderings release];
90 [self->insertedObjectDefaults release];
96 - (void)_objectsChangedInEC:(NSNotification *)_notification {
101 if ((d = [self delegate]) != nil) {
102 if ([d respondsToSelector:
103 @selector(displayGroup:shouldRedisplayForChangesInEditingContext:)]) {
104 doRedisplay = [d displayGroup:self
105 shouldRedisplayForEditingContextChangeNotification:
117 /* contents changed notification ??? */
122 - (void)setDelegate:(id)_delegate {
123 self->delegate = _delegate;
126 return self->delegate;
129 - (void)setDataSource:(EODataSource *)_ds {
130 NSNotificationCenter *nc = nil;
133 if (_ds == self->dataSource)
136 /* unregister with old editing context */
137 if ([self->dataSource respondsToSelector:@selector(editingContext)]) {
138 if ((ec = [self->dataSource editingContext]) != nil) {
139 [ec removeEditor:self];
140 if ([ec messageHandler] == self)
141 [ec setMessageHandler:nil];
143 [[NSNotificationCenter defaultCenter]
145 name:@"EOObjectsChangedInEditingContext"
150 ASSIGN(self->dataSource, _ds);
152 /* register with new editing context */
153 if ([self->dataSource respondsToSelector:@selector(editingContext)]) {
154 if ((ec = [self->dataSource editingContext]) != nil) {
156 if ([ec messageHandler] == nil)
157 [ec setMessageHandler:self];
160 selector:@selector(_objectsChangedInEC:)
161 name:@"EOObjectsChangedInEditingContext"
166 if ([self->delegate respondsToSelector:
167 @selector(displayGroupDidChangeDataSource:)])
168 [self->delegate displayGroupDidChangeDataSource:self];
170 - (EODataSource *)dataSource {
171 return self->dataSource;
174 - (void)setSortOrderings:(NSArray *)_orderings {
175 ASSIGNCOPY(self->sortOrderings, _orderings);
177 - (NSArray *)sortOrderings {
178 return self->sortOrderings;
181 - (void)setFetchesOnLoad:(BOOL)_flag {
182 self->flags.fetchesOnLoad = _flag ? 1 : 0;
184 - (BOOL)fetchesOnLoad {
185 return self->flags.fetchesOnLoad ? YES : NO;
188 - (void)setInsertedObjectDefaultValues:(NSDictionary *)_values {
189 ASSIGNCOPY(self->insertedObjectDefaults, [_values copy]);
191 - (NSDictionary *)insertedObjectDefaultValues {
192 return self->insertedObjectDefaults;
195 - (void)setNumberOfObjectsPerBatch:(unsigned)_count {
196 self->numberOfObjectsPerBatch = _count;
198 - (unsigned)numberOfObjectsPerBatch {
199 return self->numberOfObjectsPerBatch;
202 - (void)setSelectsFirstObjectAfterFetch:(BOOL)_flag {
203 self->flags.selectFirstAfterFetch = _flag ? 1 : 0;
205 - (BOOL)selectsFirstObjectAfterFetch {
206 return self->flags.selectFirstAfterFetch ? YES : NO;
209 - (void)setValidatesChangesImmediatly:(BOOL)_flag {
210 self->flags.validatesChangesImmediatly = _flag ? 1 : 0;
212 - (BOOL)validatesChangesImmediatly {
213 return self->flags.validatesChangesImmediatly ? YES : NO;
218 - (BOOL)hasMultipleBatches {
219 return [self batchCount] > 1 ? YES : NO;
221 - (unsigned)batchCount {
224 doc = [[self allObjects] count];
225 nob = [self numberOfObjectsPerBatch];
229 : doc / nob + ((doc % nob) ? 1 : 0) ;
232 - (void)setCurrentBatchIndex:(unsigned)_index {
233 self->currentBatchIndex = (_index <= [self batchCount]) ? _index : 1;
235 - (unsigned)currentBatchIndex {
236 if (self->currentBatchIndex > [self batchCount])
237 self->currentBatchIndex = 1;
238 return self->currentBatchIndex;
241 - (unsigned)indexOfFirstDisplayedObject {
242 return ([self currentBatchIndex] - 1) * [self numberOfObjectsPerBatch];
245 - (unsigned)indexOfLastDisplayedObject {
246 unsigned nob = [self numberOfObjectsPerBatch];
247 unsigned cnt = [[self allObjects] count];
252 return (([self indexOfFirstDisplayedObject] + nob) < cnt)
253 ? ([self indexOfFirstDisplayedObject] + nob) - 1
257 - (id)displayNextBatch {
258 [self clearSelection];
260 self->currentBatchIndex++;
261 if (self->currentBatchIndex > [self batchCount])
262 self->currentBatchIndex = 1;
264 [self updateDisplayedObjects];
268 - (id)displayPreviousBatch {
269 [self clearSelection];
271 self->currentBatchIndex--;
272 if ([self currentBatchIndex] <= 0)
273 self->currentBatchIndex = [self batchCount];
275 [self updateDisplayedObjects];
279 - (id)displayBatchContainingSelectedObject {
280 [self warnWithFormat:@"%s not implemenented", __PRETTY_FUNCTION__];
281 [self updateDisplayedObjects];
287 - (BOOL)setSelectionIndexes:(NSArray *)_selection {
290 NSSet *before, *after;
293 if ((d = [self delegate])) {
294 if ([d respondsToSelector:
295 @selector(displayGroup:shouldChangeSelectionToIndexes:)]) {
296 ok = [d displayGroup:self shouldChangeSelectionToIndexes:_selection];
302 /* apply selection */
304 before = [NSSet setWithArray:self->selectionIndexes];
305 after = [NSSet setWithArray:_selection];
307 ASSIGN(self->selectionIndexes, _selection);
309 if (![before isEqual:after]) {
310 [d displayGroupDidChangeSelection:self];
311 [d displayGroupDidChangeSelectedObjects:self];
315 - (NSArray *)selectionIndexes {
316 return self->selectionIndexes;
319 - (BOOL)clearSelection {
320 static NSArray *emptyArray = nil;
321 if (emptyArray == nil) emptyArray = [[NSArray alloc] init];
322 return [self setSelectionIndexes:emptyArray];
328 if (![self->displayObjects isNotEmpty])
331 if (![self->selectionIndexes isNotEmpty]) {
332 [self setSelectionIndexes:uint0Array];
336 idx = [[self->selectionIndexes lastObject] unsignedIntValue];
337 if (idx >= ([self->displayObjects count] - 1)) {
338 /* last object is already selected, select first one */
339 [self setSelectionIndexes:uint0Array];
343 /* select next object .. */
344 [self setSelectionIndexes:
345 [NSArray arrayWithObject:[NSNumber numberWithUnsignedInt:(idx + 1)]]];
349 - (id)selectPrevious {
352 if (![self->displayObjects isNotEmpty])
355 if (![self->selectionIndexes isNotEmpty]) {
356 [self setSelectionIndexes:uint0Array];
360 idx = [[self->selectionIndexes objectAtIndex:0] unsignedIntValue];
362 /* first object is selected, now select last one */
364 sidx = [NSNumber numberWithUnsignedInt:([self->displayObjects count] - 1)];
365 [self setSelectionIndexes:[NSArray arrayWithObject:sidx]];
368 /* select previous object .. */
369 [self setSelectionIndexes:
370 [NSArray arrayWithObject:[NSNumber numberWithUnsignedInt:(idx - 1)]]];
374 - (void)setSelectedObject:(id)_obj {
378 // TODO: maybe we need to retain the selection array and just swap the first
380 idx = [self->objects indexOfObject:_obj];
381 idxNumber = (idx != NSNotFound) ? [NSNumber numberWithUnsignedInt:idx] : nil;
383 if (idxNumber != nil)
384 [self setSelectionIndexes:[NSArray arrayWithObjects:&idxNumber count:1]];
386 [self setSelectionIndexes:nil];
388 - (id)selectedObject {
389 unsigned int i, sCount;
391 if ((sCount = [self->selectionIndexes count]) == 0)
394 i = [[self->selectionIndexes objectAtIndex:0] unsignedIntValue];
395 if (i >= [self->objects count])
398 // TODO: need to ensure selection is in displayedObjects?
399 return [self->objects objectAtIndex:i];
402 - (void)setSelectedObjects:(NSArray *)_objs {
403 [self selectObjectsIdenticalTo:_objs];
404 // [self warnWithFormat:@"%s not implemented.", __PRETTY_FUNCTION__];
406 - (NSArray *)selectedObjects {
407 NSMutableArray *result;
408 unsigned int i, sCount, oCount;
410 sCount = [self->selectionIndexes count];
411 oCount = [self->objects count];
412 result = [NSMutableArray arrayWithCapacity:sCount];
414 for (i = 0; i < sCount; i++) {
417 idx = [[self->selectionIndexes objectAtIndex:i] unsignedIntValue];
419 [result addObject:[self->objects objectAtIndex:idx]];
424 - (BOOL)selectObject:(id)_obj {
425 /* returns YES if displayedObjects contains _obj otherwise NO */
429 if (![self->displayObjects containsObject:_obj])
432 idx = [self->objects indexOfObject:_obj];
433 idxNumber = (idx != NSNotFound) ? [NSNumber numberWithUnsignedInt:idx] : nil;
435 // TODO: should we just exchange the first item and/or call
436 // -setSelectedObject: ?
438 #if 0 /* this was wrong? */
439 if ([self->selectionIndexes containsObject:idxNumber])
440 /* already selected => could be many => move to top? */
443 tmp = [NSMutableArray arrayWithObjects:self->selectionIndexes];
444 [tmp addObject:idxNumber];
445 [self setSelectionIndexes:tmp];
447 if (idxNumber != nil)
448 [self setSelectionIndexes:[NSArray arrayWithObjects:&idxNumber count:1]];
450 [self setSelectionIndexes:nil];
456 /* returns YES if at least one obj matches otherwise NO */
457 - (BOOL)selectObjectsIdenticalTo:(NSArray *)_objs {
458 NSMutableArray *newIndexes;
467 newIndexes = [NSMutableArray arrayWithCapacity:cnt];
469 for (i=0; i<cnt; i++) {
474 obj = [_objs objectAtIndex:i];
475 if (![self->objects containsObject:obj])
479 idx = [self->objects indexOfObject:obj];
480 idxNumber = [NSNumber numberWithUnsignedInt:idx];
482 if ([self->selectionIndexes containsObject:idxNumber])
485 [newIndexes addObject:idxNumber];
490 [newIndexes addObjectsFromArray:self->selectionIndexes];
491 [self setSelectionIndexes:newIndexes];
496 - (BOOL)selectObjectsIdenticalTo:(NSArray *)_objs
497 selectFirstOnNoMatch:(BOOL)_flag
499 if ([self selectObjectsIdenticalTo:_objs])
503 return [self selectObject:[self->displayObjects objectAtIndex:0]];
510 - (void)setObjectArray:(NSArray *)_objects {
511 ASSIGN(self->objects, _objects);
513 /* should try to restore selection */
514 [self clearSelection];
515 if ([_objects isNotEmpty] && [self selectsFirstObjectAfterFetch])
516 [self setSelectionIndexes:uint0Array];
519 - (NSArray *)allObjects {
520 return self->objects;
523 - (NSArray *)displayedObjects {
524 return self->displayObjects;
530 if ([self->delegate respondsToSelector:@selector(displayGroupShouldFetch:)]){
531 if (![self->delegate displayGroupShouldFetch:self])
532 /* delegate rejected fetch-request */
536 objs = [[self dataSource] fetchObjects];
538 [self setObjectArray:objs];
540 if ([self->delegate respondsToSelector:
541 @selector(displayGroup:didFetchObjects:)]) {
542 [self->delegate displayGroup:self didFetchObjects:objs];
545 [self updateDisplayedObjects];
547 if ([self selectsFirstObjectAfterFetch]) {
548 [self clearSelection];
550 if ([objs isNotEmpty])
551 [self setSelectedObject:[objs objectAtIndex:0]];
554 return nil /* stay on page */;
557 - (void)updateDisplayedObjects {
558 NSArray *darray; // display objects
559 NSArray *sarray; // selected objects
561 sarray = [self selectedObjects];
563 if ([self->delegate respondsToSelector:
564 @selector(displayGroup:displayArrayForObjects:)]) {
565 darray = [self->delegate displayGroup:self
566 displayArrayForObjects:[self allObjects]];
568 ASSIGNCOPY(self->displayObjects, darray);
576 ao = [self allObjects];
578 /* apply qualifier */
580 if ((q = [self qualifier]))
581 ao = [ao filteredArrayUsingQualifier:q];
582 #endif // should be done in qualifyDisplayGroup
584 /* apply sort orderings */
585 if ((so = [self sortOrderings]))
586 ao = [ao sortedArrayUsingKeyOrderArray:so];
588 if (ao != self->objects)
589 [self setObjectArray:ao];
594 if ([self batchCount] > 1) {
595 unsigned first = [self indexOfFirstDisplayedObject];
596 unsigned last = [self indexOfLastDisplayedObject];
598 darray = [darray subarrayWithRange:NSMakeRange(first, last-first+1)];
602 darray = [darray copy];
603 RELEASE(self->displayObjects);
604 self->displayObjects = darray;
606 [self selectObjectsIdenticalTo:sarray];
611 - (void)setInQueryMode:(BOOL)_flag {
612 self->flags.inQueryMode = _flag ? 1 : 0;
614 - (BOOL)inQueryMode {
615 return self->flags.inQueryMode ? YES : NO;
618 - (EOQualifier *)qualifierFromQueryValues {
619 NSMutableDictionary *qm, *qmin, *qmax, *qop;
620 NSMutableArray *quals;
624 qm = [self queryMatch];
625 qmin = [self queryMin];
626 qmax = [self queryMax];
627 qop = [self queryOperator];
629 quals = [NSMutableArray arrayWithCapacity:[qm count]];
631 /* construct qualifier for all query-match entries */
633 keys = [qm keyEnumerator];
634 while ((key = [keys nextObject]) != nil) {
640 value = [qm objectForKey:key];
642 if ((op = [qop objectForKey:key]) == nil) {
643 /* default operator is equality */
645 ops = EOQualifierOperatorEqual;
647 else if ([value isKindOfClass:[NSString class]]) {
648 /* strings are treated in a special way */
651 fmt = [self defaultStringMatchFormat];
652 op = [self defaultStringMatchOperator];
653 ops = [EOQualifier operatorSelectorForString:op];
655 value = [NSString stringWithFormat:fmt, value];
658 ops = [EOQualifier operatorSelectorForString:op];
661 q = [[EOKeyValueQualifier alloc]
666 [q release]; q = nil;
669 /* construct min qualifiers */
671 keys = [qmin keyEnumerator];
672 while ((key = [keys nextObject]) != nil) {
676 value = [qmin objectForKey:key];
678 q = [[EOKeyValueQualifier alloc]
680 operatorSelector:EOQualifierOperatorGreaterThan
686 /* construct max qualifiers */
688 keys = [qmax keyEnumerator];
689 while ((key = [keys nextObject]) != nil) {
693 value = [qmax objectForKey:key];
695 q = [[EOKeyValueQualifier alloc]
697 operatorSelector:EOQualifierOperatorLessThan
703 if (![quals isNotEmpty])
705 if ([quals count] == 1)
706 return [quals objectAtIndex:0];
708 return [[[EOAndQualifier alloc] initWithQualifierArray:quals] autorelease];
711 - (NSMutableDictionary *)queryBindings {
712 if (self->_queryBindings == nil)
713 self->_queryBindings = [[NSMutableDictionary alloc] initWithCapacity:8];
714 return self->_queryBindings;
716 - (NSMutableDictionary *)queryMatch {
717 if (self->_queryMatch == nil)
718 self->_queryMatch = [[NSMutableDictionary alloc] initWithCapacity:8];
719 return self->_queryMatch;
721 - (NSMutableDictionary *)queryMin {
722 if (self->_queryMin == nil)
723 self->_queryMin = [[NSMutableDictionary alloc] initWithCapacity:8];
724 return self->_queryMin;
726 - (NSMutableDictionary *)queryMax {
727 if (self->_queryMax == nil)
728 self->_queryMax = [[NSMutableDictionary alloc] initWithCapacity:8];
729 return self->_queryMax;
731 - (NSMutableDictionary *)queryOperator {
732 if (self->_queryOperator == nil)
733 self->_queryOperator = [[NSMutableDictionary alloc] initWithCapacity:8];
734 return self->_queryOperator;
737 - (void)setDefaultStringMatchFormat:(NSString *)_tmp {
738 ASSIGNCOPY(self->defaultStringMatchFormat, _tmp);
740 - (NSString *)defaultStringMatchFormat {
741 return self->defaultStringMatchFormat;
743 - (void)setDefaultStringMatchOperator:(NSString *)_tmp {
744 ASSIGNCOPY(self->defaultStringMatchOperator, _tmp);
746 - (NSString *)defaultStringMatchOperator {
747 return self->defaultStringMatchOperator;
749 + (NSString *)globalDefaultStringMatchFormat {
752 + (NSString *)globalDefaultStringMatchOperator {
753 return @"caseInsensitiveLike";
759 - (void)setQualifier:(EOQualifier *)_q {
760 ASSIGN(self->qualifier, _q);
762 - (EOQualifier *)qualifier {
763 return self->qualifier;
766 - (NSArray *)allQualifierOperators {
767 static NSArray *quals = nil;
769 quals = [[NSArray alloc] initWithObjects:
770 @"=", @"!=", @"<", @"<=", @">", @">=",
771 @"like", @"caseInsensitiveLike", nil];
775 - (NSArray *)stringQualifierOperators {
776 static NSArray *quals = nil;
778 quals = [[NSArray alloc] initWithObjects:
788 - (NSArray *)relationalQualifierOperators {
789 static NSArray *quals = nil;
791 quals = [[NSArray alloc] initWithObjects:
792 @"=", @"!=", @"<", @"<=", @">", @">=", nil];
797 - (void)qualifyDisplayGroup {
800 if ((q = [self qualifierFromQueryValues]) != nil)
801 [self setQualifier:q];
803 [self updateDisplayedObjects];
805 if ([self inQueryMode])
806 [self setInQueryMode:NO];
809 - (void)qualifyDataSource {
812 NSDictionary *bindings;
814 if ((ds = [self dataSource]) == nil)
815 [self warnWithFormat:@"no datasource set: %@", NSStringFromSelector(_cmd)];
817 /* build qualifier */
819 if ((q = [self qualifierFromQueryValues]) != nil)
820 [self setQualifier:q];
822 /* set qualifier in datasource */
824 if ([ds respondsToSelector:@selector(setAuxiliaryQualifier:)]) {
825 [ds setAuxiliaryQualifier:[self qualifier]];
826 //[self logWithFormat:@"set aux qualifier in %@: %@", ds,[self qualifier]];
828 else if ([ds respondsToSelector:@selector(setQualifier:)])
829 [ds setQualifier:[self qualifier]];
831 /* could not qualify ds */
832 [self warnWithFormat:@"could not qualify datasource: %@", ds];
835 /* set bindings in datasource */
837 if ([(bindings = [self queryBindings]) isNotEmpty]) {
838 if ([ds respondsToSelector:@selector(setQualifierBindings:)])
839 [ds setQualifierBindings:bindings];
841 [self warnWithFormat:@"could not set bindings in datasource %@: %@",
848 /* action method, returns 'nil' to stay on page */
851 if ([self inQueryMode])
852 [self setInQueryMode:NO];
855 - (id)qualifyDataSourceAndReturnDisplayCount {
857 This is a 'hack' created because we can't bind (and therefore 'call')
858 'void' methods in .wod files.
860 [self qualifyDataSource];
861 return [NSNumber numberWithUnsignedInt:[[self displayedObjects] count]];
864 /* object creation */
869 idx = [self->selectionIndexes isNotEmpty]
870 ? ([[self->selectionIndexes objectAtIndex:0] unsignedIntValue] + 1)
871 : [self->objects count];
873 return [self insertObjectAtIndex:idx]; /* returns 'nil' */
876 - (id)insertObjectAtIndex:(unsigned)_idx {
879 if ((newObject = [[self dataSource] createObject]) == nil) {
880 [self errorWithFormat:@"Failed to create new object in datasource: %@",
883 if ([self->delegate respondsToSelector:
884 @selector(displayGroup:createObjectFailedForDataSource:)]) {
885 [self->delegate displayGroup:self
886 createObjectFailedForDataSource:[self dataSource]];
888 return nil /* refresh page */;
891 /* apply default values */
893 [newObject takeValuesFromDictionary:[self insertedObjectDefaultValues]];
897 [self insertObject:newObject atIndex:_idx];
899 return nil /* refresh page */;
902 - (void)insertObject:(id)_o atIndex:(unsigned)_idx {
905 /* ask delegate whether we should insert */
906 if ([self->delegate respondsToSelector:
907 @selector(displayGroup:shouldInsertObject:atIndex:)]) {
908 if (![self->delegate displayGroup:self shouldInsertObject:_o atIndex:_idx])
912 /* insert in datasource */
914 [[self dataSource] insertObject:_o];
916 /* update object-array (ignores qualifier for new objects!) */
918 ma = [self->objects mutableCopy];
919 if (_idx <= [ma count])
920 [ma insertObject:_o atIndex:_idx];
924 [self setObjectArray:ma];
925 [ma release]; ma = nil;
926 [self updateDisplayedObjects];
930 [self selectObject:_o]; // TODO: or use setSelectedObject:?
932 /* let delegate know */
933 if ([self->delegate respondsToSelector:
934 @selector(displayGroup:didInsertObject:)])
935 [self->delegate displayGroup:self didInsertObject:_o];
939 /* object deletion */
942 [self deleteSelection];
946 - (BOOL)deleteSelection {
947 NSArray *objsToDelete;
950 objsToDelete = [[[self selectedObjects] shallowCopy] autorelease];
952 for (i = 0, count = [objsToDelete count]; i < count; i++) {
955 idx = [self->objects indexOfObject:[objsToDelete objectAtIndex:i]];
956 if (idx == NSNotFound) {
957 [self errorWithFormat:@"Did not find object in selection: %@",
962 if (![self deleteObjectAtIndex:idx])
968 - (BOOL)deleteObjectAtIndex:(unsigned)_idx {
975 object = (_idx < [self->objects count])
976 ? [[[self->objects objectAtIndex:_idx] retain] autorelease]
978 // TODO: check for nil?
982 if ([self->delegate respondsToSelector:
983 @selector(displayGroup:shouldDeleteObject:)]) {
984 if (![self->delegate displayGroup:self shouldDeleteObject:object])
988 /* delete in datasource */
992 [[self dataSource] deleteObject:object];
1002 ma = [self->objects mutableCopy];
1003 [ma removeObject:object];
1004 [self setObjectArray:ma];
1005 [ma release]; ma = nil;
1006 [self updateDisplayedObjects];
1008 /* notify delegate */
1010 if ([self->delegate respondsToSelector:
1011 @selector(displayGroup:didDeleteObject:)])
1012 [self->delegate displayGroup:self didDeleteObject:object];
1017 /* master / detail */
1019 - (BOOL)hasDetailDataSource {
1020 return [[self dataSource] isKindOfClass:[EODetailDataSource class]];
1023 - (void)setDetailKey:(NSString *)_key {
1024 // TODO: fix me, probably we want to store the key for later
1028 if ([(ds = [self dataSource]) respondsToSelector:_cmd])
1029 [(EODetailDataSource *)ds setDetailKey:_key];
1032 - (NSString *)detailKey {
1035 return ([(ds = [self dataSource]) respondsToSelector:_cmd])
1036 ? [(EODetailDataSource *)ds detailKey] : nil;
1039 - (void)setMasterObject:(id)_object {
1040 [[self dataSource] qualifyWithRelationshipKey:[self detailKey]
1043 if ([self fetchesOnLoad])
1046 - (id)masterObject {
1049 return ([(ds = [self dataSource]) respondsToSelector:_cmd])
1050 ? [(EODetailDataSource *)ds masterObject] : nil;
1056 - (void)takeValue:(id)_value forKeyPath:(NSString *)_keyPath {
1057 if([_keyPath hasPrefix:@"queryMatch."]) {
1058 [[self queryMatch] takeValue:_value
1059 forKey:[_keyPath substringFromIndex:11]];
1061 else if([_keyPath hasPrefix:@"queryMax."])
1062 [[self queryMax] takeValue:_value forKey:[_keyPath substringFromIndex:9]];
1063 else if([_keyPath hasPrefix:@"queryMin."])
1064 [[self queryMin] takeValue:_value forKey:[_keyPath substringFromIndex:9]];
1065 else if([_keyPath hasPrefix:@"queryOperator."]) {
1066 [[self queryOperator] takeValue:_value
1067 forKey:[_keyPath substringFromIndex:14]];
1070 [super takeValue:_value forKeyPath:_keyPath];
1072 - (id)valueForKeyPath:(NSString *)_keyPath {
1073 if ([_keyPath hasPrefix:@"queryMatch."])
1074 return [[self queryMatch] valueForKey:[_keyPath substringFromIndex:11]];
1075 if ([_keyPath hasPrefix:@"queryMax."])
1076 return [[self queryMax] valueForKey:[_keyPath substringFromIndex:9]];
1077 if ([_keyPath hasPrefix:@"queryMin."])
1078 return [[self queryMin] valueForKey:[_keyPath substringFromIndex:9]];
1079 if ([_keyPath hasPrefix:@"queryOperator."])
1080 return [[self queryOperator] valueForKey:[_keyPath substringFromIndex:14]];
1082 return [super valueForKeyPath:_keyPath];
1087 - (id)initWithCoder:(NSCoder *)_coder {
1088 self->dataSource = [[_coder decodeObject] retain];
1089 self->delegate = [_coder decodeObject];
1090 self->sortOrderings = [[_coder decodeObject] copy];
1091 self->insertedObjectDefaults = [[_coder decodeObject] copy];
1092 self->qualifier = [[_coder decodeObject] copy];
1093 self->defaultStringMatchFormat = [[_coder decodeObject] copy];
1094 self->defaultStringMatchOperator = [[_coder decodeObject] copy];
1095 self->_queryBindings = [[_coder decodeObject] copy];
1096 self->_queryMatch = [[_coder decodeObject] copy];
1097 self->_queryMin = [[_coder decodeObject] copy];
1098 self->_queryMax = [[_coder decodeObject] copy];
1099 self->_queryOperator = [[_coder decodeObject] copy];
1104 - (void)encodeWithCoder:(NSCoder *)_coder {
1105 [_coder encodeObject:self->dataSource];
1106 [_coder encodeObject:self->delegate];
1107 [_coder encodeObject:self->sortOrderings];
1108 [_coder encodeObject:self->insertedObjectDefaults];
1109 [_coder encodeObject:self->qualifier];
1110 [_coder encodeObject:self->defaultStringMatchFormat];
1111 [_coder encodeObject:self->defaultStringMatchOperator];
1112 [_coder encodeObject:self->_queryBindings];
1113 [_coder encodeObject:self->_queryMatch];
1114 [_coder encodeObject:self->_queryMin];
1115 [_coder encodeObject:self->_queryMax];
1116 [_coder encodeObject:self->_queryOperator];
1118 [self notImplemented:_cmd];
1123 - (id)initWithKeyValueUnarchiver:(EOKeyValueUnarchiver *)_unarchiver {
1124 if ((self = [self init]) != nil) {
1127 if ((tmp = [_unarchiver decodeObjectForKey:@"formatForLikeQualifier"]))
1128 [self setDefaultStringMatchFormat:tmp];
1130 if ((tmp = [_unarchiver decodeObjectForKey:@"dataSource"]))
1131 [self setDataSource:tmp];
1133 if ((tmp = [_unarchiver decodeObjectForKey:@"numberOfObjectsPerBatch"]))
1134 [self setNumberOfObjectsPerBatch:[tmp intValue]];
1136 [self setFetchesOnLoad:[_unarchiver decodeBoolForKey:@"fetchesOnLoad"]];
1137 [self setSelectsFirstObjectAfterFetch:
1138 [_unarchiver decodeBoolForKey:@"selectsFirstObjectAfterFetch"]];
1143 - (void)encodeWithKeyValueArchiver:(EOKeyValueArchiver *)_archiver {
1144 [_archiver encodeObject:[self defaultStringMatchFormat]
1145 forKey:@"formatForLikeQualifier"];
1146 [_archiver encodeObject:[self dataSource]
1147 forKey:@"dataSource"];
1148 [_archiver encodeObject:
1149 [NSNumber numberWithUnsignedInt:[self numberOfObjectsPerBatch]]
1150 forKey:@"numberOfObjectsPerBatch"];
1151 [_archiver encodeBool:[self fetchesOnLoad]
1152 forKey:@"fetchesOnLoad"];
1153 [_archiver encodeBool:[self selectsFirstObjectAfterFetch]
1154 forKey:@"selectFirstAfterFetch"];
1157 - (void)awakeFromKeyValueUnarchiver:(EOKeyValueUnarchiver *)_unarchiver {
1158 if ([self fetchesOnLoad])
1164 - (void)editingContextWillSaveChanges:(id)_ec {
1166 - (BOOL)editorHasChangesForEditingContext:(id)_ec {
1170 /* EOMessageHandlersImpl */
1172 - (void)editingContext:(id)_ec
1173 presentErrorMessage:(NSString *)_msg
1177 - (BOOL)editingContext:(id)_ec
1178 shouldContinueFetchingWithCurrentObjectCount:(unsigned)_oc
1179 originalLimit:(unsigned)_olimit
1180 objectStore:(id)_store
1187 - (NSString *)description {
1188 return [NSString stringWithFormat:@"<0x%08X %@: ds=%@>",
1189 self, NSStringFromClass([self class]),
1193 @end /* WODisplayGroup */