Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

executable file 145 lines (104 sloc) 4.268 kb
//
// FastListDataSource.m
// Notation
//
// Created by Zachary Schneirov on 1/8/06.
/*Copyright (c) 2010, Zachary Schneirov. All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted
provided that the following conditions are met:
- Redistributions of source code must retain the above copyright notice, this list of conditions
and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright notice, this list of
conditions and the following disclaimer in the documentation and/or other materials provided with
the distribution.
- Neither the name of Notational Velocity nor the names of its contributors may be used to endorse
or promote products derived from this software without specific prior written permission. */
#import "FastListDataSource.h"
#import "NotesTableView.h"
#import "NoteAttributeColumn.h"
@implementation FastListDataSource
- (const id *)immutableObjects {
return (const id *)objects;
}
- (NSUInteger)count {
return count;
}
- (NSUInteger)indexOfObjectIdenticalTo:(id)address {
register NSUInteger i;
if (address) {
for (i=0; i<count; i++) {
if (objects[i] == address)
return i;
}
}
return NSNotFound;
}
//NSArray has objectsAtIndexes--too bad it's only in 10.4.
//figure out which notes are in the indexset
- (NSArray*)objectsAtFilteredIndexes:(NSIndexSet*)indexSet {
NSUInteger indexBuffer[40];
NSUInteger bufferIndex;
NSUInteger indexCount = 1;
NSRange range = NSMakeRange([indexSet firstIndex],
[indexSet lastIndex]-[indexSet firstIndex]+1);
NSMutableArray *objectsInIndexSet = [[NSMutableArray alloc] initWithCapacity:[indexSet count]];
while ((indexCount = [indexSet getIndexes:indexBuffer maxCount:40 inIndexRange:&range])) {
for (bufferIndex=0; bufferIndex < indexCount; bufferIndex++) {
NSUInteger objIndex = indexBuffer[bufferIndex];
if (objIndex < count)
[objectsInIndexSet addObject:objects[objIndex]];
else
NSLog(@"objectsAtFilteredIndexes: index is %lu ( > %lu)", objIndex, count);
}
}
return [objectsInIndexSet autorelease];
}
//as long as this class is only used for temporary display, we probably do not need to uncomment the retains and releases
- (void)fillArrayFromArray:(NSArray*)array {
NSUInteger oldArraySize = count;
//release old values
//unsigned int i;
if (objects) {
//for (i=0; i<count; i++)
//objRelease(objects[i], @selector(release));
}
count = CFArrayGetCount((CFArrayRef)array);
if (count > oldArraySize) {
objects = (id*)realloc(objects, count * sizeof(id));
}
CFArrayGetValues((CFArrayRef)array, CFRangeMake(0, count), (const void **)objects);
//retain new ones
//for (i=0; i<count; i++)
//objRetain(objects[i], @selector(retain));
}
- (BOOL)filterArrayUsingFunction:(BOOL (*)(id, void*))present context:(void*)context {
register NSUInteger j = 0, i, oldCount = count;
if (!objects)
return NO;
for (i=0; i<oldCount; i++) {
id obj = objects[i];
if (present(obj, context)) {
objects[j++] = obj;
} else {
//objRelease(obj, @selector(release));
}
}
count = j;
return (count != oldCount);
}
- (void)sortStableUsingFunction:(NSInteger (*)(id *, id *))compare {
mergesort((void *)objects, (size_t)count, sizeof(id), (int (*)(const void *, const void *))compare);
}
- (void)tableView:(NSTableView *)aTableView setObjectValue:(id)anObject
forTableColumn:(NSTableColumn *)aTableColumn row:(NSInteger)rowIndex {
//allow the tableview to override the selector destination for this object value
SEL colAttributeMutator = [(NotesTableView*)aTableView attributeSetterForColumn:(NoteAttributeColumn*)aTableColumn];
[objects[rowIndex] performSelector:colAttributeMutator ? colAttributeMutator : columnAttributeMutator((NoteAttributeColumn*)aTableColumn) withObject:anObject];
}
- (id)tableView:(NSTableView *)aTableView objectValueForTableColumn:(NSTableColumn *)aTableColumn row:(NSInteger)rowIndex {
return columnAttributeForObject((NotesTableView*)aTableView, (NoteAttributeColumn*)aTableColumn, objects[rowIndex], rowIndex);
}
- (NSInteger)numberOfRowsInTableView:(NSTableView *)aTableView {
return count;
}
@end
Jump to Line
Something went wrong with that request. Please try again.