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executable file 103 lines (72 sloc) 2.598 kb
//
// SSPickerViewController.m
// SSToolkit
//
// Created by Sam Soffes on 10/9/08.
// Copyright 2008-2011 Sam Soffes. All rights reserved.
//
#import "SSPickerViewController.h"
@implementation SSPickerViewController
#pragma mark - Accessors
@synthesize selectedKey = _selectedKey;
@synthesize keys = _keys;
@synthesize currentIndexPath = _currentIndexPath;
#pragma mark - NSObject
- (id)init {
self = [super initWithStyle:UITableViewStyleGrouped];
return self;
}
#pragma mark - UIViewController Methods
- (void)viewDidLoad {
[super viewDidLoad];
[self loadKeys];
if(self.selectedKey != nil) {
self.currentIndexPath = [NSIndexPath indexPathForRow:[self.keys indexOfObject:self.selectedKey] inSection:0];
[self.tableView reloadData];
[self.tableView scrollToRowAtIndexPath:self.currentIndexPath atScrollPosition:UITableViewScrollPositionMiddle animated:NO];
}
}
#pragma mark - SSPickerViewController
// This method should be overridden by a subclass
- (void)loadKeys {
self.keys = nil;
self.selectedKey = nil;
}
// This method should be overridden by a subclass
- (NSString *)cellTextForKey:(id)key {
return key;
}
// This method should be overridden by a subclass
- (UIImage *)cellImageForKey:(id)key {
return nil;
}
#pragma mark - UITableViewDelegate
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
[[tableView cellForRowAtIndexPath:indexPath] setAccessoryType:UITableViewCellAccessoryCheckmark];
[tableView deselectRowAtIndexPath:indexPath animated:YES];
self.currentIndexPath = indexPath;
}
#pragma mark - UITableViewDataSource
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
return 1;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
return (NSInteger)[self.keys count];
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
static NSString *cellIdentifier = @"cellIdentifier";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellIdentifier];
if (cell == nil) {
cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:cellIdentifier];
}
id key = [self.keys objectAtIndex:indexPath.row];
cell.textLabel.text = [self cellTextForKey:key];
cell.imageView.image = [self cellImageForKey:key];
if([key isEqual:self.selectedKey] == YES) {
cell.accessoryType = UITableViewCellAccessoryCheckmark;
} else {
cell.accessoryType = UITableViewCellAccessoryNone;
}
return cell;
}
@end
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