Learn-iOS-Swift-by-Examples/UICatalog/Objective-C/UIKitCatalog/AAPLSearchControllerBaseVie...

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/*
Copyright (C) 2016 Apple Inc. All Rights Reserved.
See LICENSE.txt for this samples licensing information
Abstract:
A table view controller that displays filtered strings (used by other view controllers for simple displaying and filtering of data).
*/
#import "AAPLSearchControllerBaseViewController.h"
NSString *const AAPLSearchControllerBaseViewControllerTableViewCellIdentifier = @"searchResultsCell";
@interface AAPLSearchControllerBaseViewController ()
@property (copy) NSArray *allResults;
@property (readwrite, copy) NSArray *visibleResults;
@end
@implementation AAPLSearchControllerBaseViewController
#pragma mark - View Life Cycle
- (void)viewDidLoad {
[super viewDidLoad];
self.allResults = @[@"Here's", @"to", @"the", @"crazy", @"ones.", @"The", @"misfits.", @"The", @"rebels.", @"The", @"troublemakers.", @"The", @"round", @"pegs", @"in", @"the", @"square", @"holes.", @"The", @"ones", @"who", @"see", @"things", @"differently.", @"They're", @"not", @"fond", @"of", @"rules.", @"And", @"they", @"have", @"no", @"respect", @"for", @"the", @"status", @"quo.", @"You", @"can", @"quote", @"them,", @"disagree", @"with", @"them,", @"glorify", @"or", @"vilify", @"them.", @"About", @"the", @"only", @"thing", @"you", @"can't", @"do", @"is", @"ignore", @"them.", @"Because", @"they", @"change", @"things.", @"They", @"push", @"the", @"human", @"race", @"forward.", @"And", @"while", @"some", @"may", @"see", @"them", @"as", @"the", @"crazy", @"ones,", @"we", @"see", @"genius.", @"Because", @"the", @"people", @"who", @"are", @"crazy", @"enough", @"to", @"think", @"they", @"can", @"change", @"the", @"world,", @"are", @"the", @"ones", @"who", @"do."];
self.visibleResults = self.allResults;
}
#pragma mark - Property Overrides
- (void)setFilterString:(NSString *)filterString {
_filterString = filterString;
if (!filterString || filterString.length <= 0) {
self.visibleResults = self.allResults;
}
else {
NSPredicate *filterPredicate = [NSPredicate predicateWithFormat:@"self contains[c] %@", filterString];
self.visibleResults = [self.allResults filteredArrayUsingPredicate:filterPredicate];
}
[self.tableView reloadData];
}
#pragma mark - UITableViewDataSource
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
return self.visibleResults.count;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
return [tableView dequeueReusableCellWithIdentifier:AAPLSearchControllerBaseViewControllerTableViewCellIdentifier forIndexPath:indexPath];
}
- (void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath {
cell.textLabel.text = self.visibleResults[indexPath.row];
}
@end