diff options
Diffstat (limited to 'Source/SPDataStorage.h')
| -rw-r--r-- | Source/SPDataStorage.h | 68 |
1 files changed, 39 insertions, 29 deletions
diff --git a/Source/SPDataStorage.h b/Source/SPDataStorage.h index 39d36d5f..d0c1f556 100644 --- a/Source/SPDataStorage.h +++ b/Source/SPDataStorage.h @@ -30,45 +30,54 @@ // // More info at <http://code.google.com/p/sequel-pro/> +#import <SPMySQL/SPMySQLStreamingResultStoreDelegate.h> + +@class SPMySQLStreamingResultStore; + /** - * This class provides a storage mechanism intended to represent tabular - * data, in a 2D array. Data can be added and retrieved either directly - * or via NSArrays; internally, C arrays are used to provide speed and - * memory improvements. - * This class is essentially mutable. + * This class wraps a SPMySQLStreamingResultStore, providing an editable + * data store; on a fresh load all data will be proxied from the underlying + * result store, but if cells or rows are edited, mutable rows are stored + * directly. */ -@interface SPDataStorage : NSObject +@interface SPDataStorage : NSObject <SPMySQLStreamingResultStoreDelegate> { - NSUInteger numColumns; - NSUInteger columnPointerByteSize; - NSUInteger numRows, numRowsCapacity; + SPMySQLStreamingResultStore *dataStorage; + NSPointerArray *editedRows; + BOOL *unloadedColumns; - id **dataStorage; + NSUInteger numberOfColumns; } +/* Setting result store */ +- (void) setDataStorage:(SPMySQLStreamingResultStore *) newDataStorage updatingExisting:(BOOL)updateExistingStore; + /* Retrieving rows and cells */ -- (NSMutableArray *) rowContentsAtIndex:(NSUInteger)index; +- (NSMutableArray *) rowContentsAtIndex:(NSUInteger)anIndex; - (id) cellDataAtRow:(NSUInteger)rowIndex column:(NSUInteger)columnIndex; +- (id) cellPreviewAtRow:(NSUInteger)rowIndex column:(NSUInteger)columnIndex previewLength:(NSUInteger)previewLength; +- (BOOL) cellIsNullOrUnloadedAtRow:(NSUInteger)rowIndex column:(NSUInteger)columnIndex; /* Adding and amending rows and cells */ -- (void) addRowWithContents:(NSArray *)row; -- (void) insertRowContents:(NSArray *)row atIndex:(NSUInteger)index; -- (void) replaceRowAtIndex:(NSUInteger)index withRowContents:(NSArray *)row; -- (void) replaceObjectInRow:(NSUInteger)rowIndex column:(NSUInteger)columnIndex withObject:(id)object; -- (void) removeRowAtIndex:(NSUInteger)index; +- (void) addRowWithContents:(NSMutableArray *)aRow; +- (void) insertRowContents:(NSMutableArray *)aRow atIndex:(NSUInteger)anIndex; +- (void) replaceRowAtIndex:(NSUInteger)anIndex withRowContents:(NSMutableArray *)aRow; +- (void) replaceObjectInRow:(NSUInteger)rowIndex column:(NSUInteger)columnIndex withObject:(id)anObject; +- (void) removeRowAtIndex:(NSUInteger)anIndex; - (void) removeRowsInRange:(NSRange)rangeToRemove; - (void) removeAllRows; +/* Unloaded columns */ +- (void) setColumnAsUnloaded:(NSUInteger)columnIndex; + /* Basic information */ - (NSUInteger) count; -- (void) setColumnCount:(NSUInteger)columnCount; - (NSUInteger) columnCount; +- (BOOL) dataDownloaded; -/* Initialisation and teardown */ -#pragma mark - -- (id) init; -- (void) dealloc; +/* Delegate callback methods */ +- (void)resultStoreDidFinishLoadingData:(SPMySQLStreamingResultStore *)resultStore; @end @@ -91,14 +100,6 @@ static inline void SPDataStorageReplaceRow(SPDataStorage* self, NSUInteger rowIn SPDSReplaceRow(self, @selector(replaceRowAtIndex:withRowContents:), rowIndex, row); } -static inline void SPDataStorageReplaceObjectAtRowAndColumn(SPDataStorage* self, NSUInteger rowIndex, NSUInteger colIndex, id newObject) -{ - typedef void (*SPDSObjectReplaceMethodPtr)(SPDataStorage*, SEL, NSUInteger, NSUInteger, id); - static SPDSObjectReplaceMethodPtr SPDSObjectReplace; - if (!SPDSObjectReplace) SPDSObjectReplace = (SPDSObjectReplaceMethodPtr)[self methodForSelector:@selector(replaceObjectInRow:column:withObject:)]; - SPDSObjectReplace(self, @selector(replaceObjectInRow:column:withObject:), rowIndex, colIndex, newObject); -} - static inline id SPDataStorageObjectAtRowAndColumn(SPDataStorage* self, NSUInteger rowIndex, NSUInteger colIndex) { typedef id (*SPDSObjectFetchMethodPtr)(SPDataStorage*, SEL, NSUInteger, NSUInteger); @@ -106,3 +107,12 @@ static inline id SPDataStorageObjectAtRowAndColumn(SPDataStorage* self, NSUInteg if (!SPDSObjectFetch) SPDSObjectFetch = (SPDSObjectFetchMethodPtr)[self methodForSelector:@selector(cellDataAtRow:column:)]; return SPDSObjectFetch(self, @selector(cellDataAtRow:column:), rowIndex, colIndex); } + +static inline id SPDataStoragePreviewAtRowAndColumn(SPDataStorage* self, NSUInteger rowIndex, NSUInteger colIndex, NSUInteger previewLength) +{ + typedef id (*SPDSPreviewFetchMethodPtr)(SPDataStorage*, SEL, NSUInteger, NSUInteger, NSUInteger); + static SPDSPreviewFetchMethodPtr SPDSPreviewFetch; + if (!SPDSPreviewFetch) SPDSPreviewFetch = (SPDSPreviewFetchMethodPtr)[self methodForSelector:@selector(cellPreviewAtRow:column:previewLength:)]; + return SPDSPreviewFetch(self, @selector(cellPreviewAtRow:column:previewLength:), rowIndex, colIndex, previewLength); +} + |