zxing/iphone/Barcodes/Classes/ArchiveController.m

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//
// ArchiveController.m
// UIShowcase
//
// Created by Christian Brunschen on 29/05/2008.
/*
* Copyright 2008 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#import "ArchiveController.h"
#import "Database.h"
#import "Scan.h"
#import "UniversalResultParser.h"
#import "ParsedResult.h"
#import "ScanViewController.h"
#import "ScanCell.h"
@implementation ArchiveController
@synthesize scans;
@synthesize results;
@synthesize delegate;
@synthesize dateFormatter;
- (id)init {
if ((self = [super initWithStyle:UITableViewStylePlain])) {
scans = [[NSMutableArray alloc] init];
results = [[NSMutableArray alloc] init];
dateFormatter = [[NSDateFormatter alloc] init];
}
return self;
}
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
return 1;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
return [scans count];
}
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
return 44.0;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
static NSString *ScanIdentifier = @"ScanIdentifier";
ScanCell *cell = (ScanCell *)[tableView dequeueReusableCellWithIdentifier:ScanIdentifier];
if (cell == nil) {
cell = [[[ScanCell alloc] initWithFrame:CGRectZero reuseIdentifier:ScanIdentifier] autorelease];
}
// Configure the cell
int idx = [self scanIndexForRow:indexPath.row];
Scan *scan = [scans objectAtIndex:idx];
[cell setScan:scan];
return cell;
}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
//[decoderViewController showScan:[scans objectAtIndex:[self scanIndexForRow:indexPath.row]]];
int idx = [self scanIndexForRow:indexPath.row];
Scan *scan = [scans objectAtIndex:idx];
ParsedResult *result = [results objectAtIndex:idx];
ScanViewController *scanViewController = [[ScanViewController alloc] initWithResult:result forScan:scan];
[self.navigationController pushViewController:scanViewController animated:YES];
[scanViewController release];
}
- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
if (editingStyle == UITableViewCellEditingStyleDelete) {
int idx = [self scanIndexForRow:indexPath.row];
Scan *scan = [self.scans objectAtIndex:idx];
// delete the scan from the database ...
[[Database sharedDatabase] deleteScan:scan];
// ... delete the scan from our in-memory cache of the database ...
[scans removeObjectAtIndex:idx];
// ... delete the corresponding result from our in-memory cache ...
[results removeObjectAtIndex:idx];
// ... and remove the row from the table view.
[tableView deleteRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] withRowAnimation:UITableViewRowAnimationFade];
// [tableView reloadData];
} else if (editingStyle == UITableViewCellEditingStyleInsert) {
// no insertions!
}
}
- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
return YES;
}
- (void)tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)fromIndexPath toIndexPath:(NSIndexPath *)toIndexPath {
}
- (BOOL)tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath {
return NO;
}
- (void)dealloc {
[scans release];
[results release];
delegate = nil;
[dateFormatter release];
[super dealloc];
}
- (void)viewDidLoad {
[super viewDidLoad];
self.title = NSLocalizedString(@"ScanArchiveTitle", @"Scan Archive");
self.navigationItem.rightBarButtonItem = [self editButtonItem];
self.navigationItem.leftBarButtonItem = [[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemDone target:self action:@selector(done:)] autorelease];
self.scans = [NSMutableArray arrayWithArray:[[Database sharedDatabase] scans]];
self.results = [NSMutableArray arrayWithCapacity:self.scans.count];
for (Scan *scan in scans) {
ParsedResult *res = [UniversalResultParser parsedResultForString:scan.text];
[results addObject:res];
}
}
-(void)done:(id)sender {
[delegate modalViewControllerWantsToBeDismissed:self];
}
- (void)viewWillAppear:(BOOL)animated {
[super viewWillAppear:animated];
self.scans = [NSMutableArray arrayWithArray:[[Database sharedDatabase] scans]];
self.results = [NSMutableArray arrayWithCapacity:self.scans.count];
for (Scan *scan in scans) {
[results addObject:[UniversalResultParser parsedResultForString:scan.text]];
}
}
- (void)viewDidAppear:(BOOL)animated {
[super viewDidAppear:animated];
}
- (void)viewWillDisappear:(BOOL)animated {
self.scans = nil;
self.results = nil;
}
- (void)viewDidDisappear:(BOOL)animated {
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
}
- (NSInteger)scanIndexForRow:(NSInteger)row {
return scans.count - 1 - row;
}
@end