//

// ViewController.m

// IOSSearchAlgorithm

//

// Created by ixshells on 16/3/20.

// Copyright © 2016年 ixshells. All rights reserved.

//

#import "ViewController.h"

#import "SearchKeywordsAlgorithm.h"

#define fDeviceWidth ([UIScreen mainScreen].bounds.size.width)

#define fDeviceHeight ([UIScreen mainScreen].bounds.size.height)

#define fSelfViewWidth (self.view.bounds.size.width)

#define fSelfViewHeight (self.view.bounds.size.height)

#define RGB_A(r, g, b, a) ([UIColor colorWithRed:(r)/255.0f \

green:(g)/255.0f \

blue:(b)/255.0f \

alpha:(a)/255.0f])

#define RGB(r, g, b) RGB_A(r, g, b, 255)

@interface ViewController ()<UISearchBarDelegate, UITableViewDataSource, UITableViewDelegate, UISearchDisplayDelegate>

{

UISearchBar * _searchBar;

UISearchDisplayController * _searchDisplayController;

UITableView * _tableView;

NSArray *_tagArray;

NSMutableArray* _searchResultArray;

}

@end

@implementation ViewController

- (void)viewDidLoad {

[super viewDidLoad];

_searchBar = [[UISearchBar alloc] init];

_searchBar.delegate = self;

[[[[ _searchBar.subviews objectAtIndex : 0 ] subviews ] objectAtIndex : 0 ] removeFromSuperview ];

_tagArray = [self readLocalData];

_searchResultArray = [NSMutableArray new];

_searchBar.backgroundColor = RGB(248, 94, 32);

[_searchBar setAutocapitalizationType:UITextAutocapitalizationTypeNone];

[_searchBar sizeToFit];

_tableView = [[UITableView alloc] initWithFrame:CGRectMake(0, 0, fSelfViewWidth, 460)];

_tableView.delegate = self;

_tableView.dataSource = self;

_tableView.tableHeaderView = _searchBar;

_tableView.tableHeaderView.backgroundColor = RGB(248, 94, 32);

[self.view addSubview:_tableView];

_searchDisplayController = [[UISearchDisplayController alloc] initWithSearchBar:_searchBar contentsController:self];

_searchDisplayController.delegate = self;

[_searchDisplayController setSearchResultsDataSource:self];

[_searchDisplayController setSearchResultsDelegate:self];

}

-(NSArray *)readLocalData {

NSString *path = [[NSBundle mainBundle] pathForResource:@"keyword"ofType:@"csv"];

NSString *contents = [[NSString alloc] initWithContentsOfFile:path encoding:NSUTF8StringEncoding error:nil];

NSArray *contentsArray = [contents componentsSeparatedByCharactersInSet:[NSCharacterSet newlineCharacterSet]];

NSInteger idx;

for (idx = 0; idx < contentsArray.count; idx++){

NSString* currentContent = [contentsArray objectAtIndex:idx];

NSLog(@"%@",currentContent);

}

return contentsArray;

}

- (void)didReceiveMemoryWarning {

[super didReceiveMemoryWarning];

}

-(void)searchFilter : (NSString *)searchText

{

SearchKeywordsAlgorithm* search = [SearchKeywordsAlgorithm new];

[search searchByFuzzy:_tagArray keyStr:searchText];

_searchResultArray = search.fullStringResultArray;

}

#pragma mark -

#pragma mark Table view data source

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath

{

return 40.0f;

}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {

if(tableView == _searchDisplayController.searchResultsTableView)

{

return [_searchResultArray count];

}

return 0;

}

// Customize the appearance of table view cells.

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {

static NSString *CellIdentifier = @"Cell";

UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];

if (cell == nil) {

cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:CellIdentifier];

}

{

cell.textLabel.text = [_searchResultArray objectAtIndex:indexPath.row];

}

return cell;

}

-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath

{

}

- (void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText

{

[self searchFilter:searchText];

}

#pragma mark -

#pragma mark UISearchDisplayController Delegate Methods

- (BOOL)searchDisplayController:(UISearchDisplayController *)controller shouldReloadTableForSearchString:(NSString *)searchString{

// Return YES to cause the search result table view to be reloaded.

return YES;

}

- (BOOL)searchDisplayController:(UISearchDisplayController *)controller shouldReloadTableForSearchScope:(NSInteger)searchOption{

// Return YES to cause the search result table view to be reloaded.

return YES;

}

- (void)searchDisplayControllerDidBeginSearch:(UISearchDisplayController *)controller{

/*

Bob: Because the searchResultsTableView will be released and allocated automatically, so each time we start to begin search, we set its delegate here.

*/

[_searchDisplayController.searchResultsTableView setDelegate:self];

}

- (void)searchBarSearchButtonClicked:(UISearchBar *)searchBar; // called when keyboard search button pressed

{

}

- (void)searchBarBookmarkButtonClicked:(UISearchBar *)searchBar; // called when bookmark button pressed

{

}

- (void)searchBarCancelButtonClicked:(UISearchBar *)searchBar; // called when cancel button pressed

{

}

- (void)searchBarResultsListButtonClicked:(UISearchBar *)searchBar NS_AVAILABLE_IOS(3_2); // called when search results button pressed

{

}

- (void)searchDisplayControllerDidEndSearch:(UISearchDisplayController *)controller{

[_searchBar resignFirstResponder];

}

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation

{

return (interfaceOrientation == UIInterfaceOrientationPortrait);

}

@end