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//
// NibwareTableSectionManager.m
// pingle
//
// Created by robertsanders on 1/19/09.
// Copyright 2009 Robert Sanders. All rights reserved.
//
#import "NibwareTableSectionManager.h"
@implementation NibwareTableSection
@synthesize sectionName, items;
- (NibwareTableSection*) initWithSectionName:(NSString*)name
{
self = [super init];
self.sectionName = name;
self.items = [NSMutableArray array];
return self;
}
- (void) addObject:(id<NSObject>) item
{
[self.items addObject:item];
}
- (id) objectAtIndex:(NSInteger)index
{
if (items.count > index) {
return [items objectAtIndex:index];
} else {
return nil;
}
}
- (void) dealloc
{
self.sectionName = self.items = nil;
[super dealloc];
}
@end
@interface NibwareSectionSelector : NSObject <NibwareSectionFunction> {
SEL _selector;
}
@end
@implementation NibwareSectionSelector
- (NibwareSectionSelector*) initWithSelector:(SEL)selector {
self = [super init];
_selector = selector;
return self;
}
- (NSString*) sectionForObject:(id)object {
return (NSString *)[object performSelector:_selector];
}
@end
@implementation NibwareTableSectionManager
@synthesize sectionFunction, sections;
- (id<NibwareSectionFunction>) functionForSelector:(SEL)selector
{
return [[[NibwareSectionSelector alloc] initWithSelector:selector] autorelease];
}
- (NibwareTableSectionManager*) init
{
self = [super init];
sections = [[NSMutableArray alloc] init];
defaultSection = [[NibwareTableSection alloc] initWithSectionName:@""];
return self;
}
- (NibwareTableSectionManager*) initWithSectionFunction:(id<NibwareSectionFunction>)function
{
self = [self init];
self.sectionFunction = function;
return self;
}
- (NibwareTableSectionManager*) initWithSectionSelector:(SEL)selector
{
self = [self init];
self.sectionFunction = [self functionForSelector:selector];
return self;
}
- (NibwareTableSection*) getSection:(NSString *)name create:(BOOL)create
{
NibwareTableSection *section = nil;
for (section in self.sections) {
if ([section.sectionName isEqualToString:name]) {
return section;
}
}
if (create) {
section = [[[NibwareTableSection alloc] initWithSectionName:name] autorelease];
[self.sections addObject:section];
}
return section;
}
- (void) sectionalize:(NSArray*)items
{
for (id<NSObject> item in items)
{
NSString *name = [sectionFunction sectionForObject:item];
NibwareTableSection *section = [self getSection:name create:YES];
[section addObject:item];
}
}
- (void) reset {
[self.sections removeAllObjects];
}
- (NSInteger) sectionCount {
return fmax([sections count], 1);
}
- (NibwareTableSection*) sectionByIndex:(NSInteger)num {
if (sections.count > num) {
return [sections objectAtIndex:num];
} else {
return defaultSection;
}
}
- (NibwareTableSection*) sectionByName:(NSString *)name {
return [self getSection:name create:NO];
}
- (void) dealloc
{
self.sectionFunction = nil;
[defaultSection release];
[sections release];
[super dealloc];
}
#pragma mark UITableViewDataSource-ish items
- (id) objectForIndexPath:(NSIndexPath*) path {
NibwareTableSection *section = [self sectionByIndex:path.section];
return [section objectAtIndex:path.row];
}
- (NSIndexPath*) indexPathForObject:(id<NSObject>)object {
for (NSUInteger section = 0; section < sections.count; section++) {
NSUInteger index = [[(NibwareTableSection*)[sections objectAtIndex:section] items] indexOfObject:object];
if (index != NSNotFound) {
return [NSIndexPath indexPathForRow:index inSection:section];
}
}
return nil;
}
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
return fmax([[self sections] count],1);
}
- (NSString*)tableView:(UITableView*)table titleForHeaderInSection:(NSInteger)section
{
NSString *secName = [[self sectionByIndex:section] sectionName];
if (!secName) secName = @"";
return secName;
}
- (NSInteger)tableView:(UITableView *)table numberOfRowsInSection:(NSInteger)section
{
return [[[self sectionByIndex:section] items] count];
}
@end