/* |
File: OptionsController.m |
Abstract: Controller to set various debugging options. |
Version: 1.1 |
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*/ |
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#import "OptionsController.h" |
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// OptionCell is a trivial subclass of UITableViewCell that allows us |
// to set the option key in IB via the "user defined runtime attributes" |
// inspector. |
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@interface OptionCell : UITableViewCell |
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@property (nonatomic, copy, readwrite) NSString * optionKey; |
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@end |
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@implementation OptionCell |
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@end |
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@interface OptionsController () |
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@property (nonatomic, strong, readwrite) IBOutletCollection(OptionCell) NSArray * optionCells; |
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@property (nonatomic, strong, readwrite) NSMutableDictionary * currentState; // NSString -> NSNumber (Boolean) |
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@end |
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@implementation OptionsController |
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- (void)viewDidLoad |
{ |
NSUserDefaults * defaults; |
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[super viewDidLoad]; |
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self.currentState = [[NSMutableDictionary alloc] init]; |
assert(self.currentState != nil); |
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defaults = [NSUserDefaults standardUserDefaults]; |
for (OptionCell * cell in self.optionCells) { |
BOOL optionEnabled; |
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optionEnabled = [defaults boolForKey:cell.optionKey]; |
self.currentState[cell.optionKey] = @(optionEnabled); |
cell.accessoryType = optionEnabled ? UITableViewCellAccessoryCheckmark : UITableViewCellAccessoryNone; |
} |
} |
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- (void)tableView:(UITableView *)tv didSelectRowAtIndexPath:(NSIndexPath *)indexPath |
{ |
#pragma unused(tv) |
#pragma unused(indexPath) |
OptionCell * cell; |
BOOL optionEnabled; |
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assert(tv == self.tableView); |
assert(indexPath != NULL); |
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cell = (OptionCell *) [self.tableView cellForRowAtIndexPath:indexPath]; |
assert([cell isKindOfClass:[OptionCell class]]); |
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optionEnabled = ! [self.currentState[cell.optionKey] boolValue]; |
self.currentState[cell.optionKey] = @(optionEnabled); |
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cell.accessoryType = optionEnabled ? UITableViewCellAccessoryCheckmark : UITableViewCellAccessoryNone; |
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[self.tableView deselectRowAtIndexPath:indexPath animated:YES]; |
} |
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- (IBAction)saveAction:(id)sender |
{ |
#pragma unused(sender) |
NSUserDefaults * defaults; |
id<OptionsControllerDelegate> strongDelegate; |
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// Commit the options to the user defaults. |
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defaults = [NSUserDefaults standardUserDefaults]; |
assert(defaults != nil); |
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for (NSString * key in self.currentState) { |
[defaults setObject:self.currentState[key] forKey:key]; |
} |
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[defaults synchronize]; |
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// Tell the delegate about the save. |
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strongDelegate = self.delegate; |
[strongDelegate didSaveOptions:self]; |
} |
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- (IBAction)cancelAction:(id)sender |
{ |
#pragma unused(sender) |
id<OptionsControllerDelegate> strongDelegate; |
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// Tell the delegate about the cancellation. |
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strongDelegate = self.delegate; |
[strongDelegate didCancelOptions:self]; |
} |
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@end |