project_files/HedgewarsMobile/Classes/SavedGamesViewController.m
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/*
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 * Hedgewars-iOS, a Hedgewars port for iOS devices
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 * Copyright (c) 2009-2010 Vittorio Giovara <vittorio.giovara@gmail.com>
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; version 2 of the License
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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 *
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 * File created on 22/09/2010.
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 */
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#import "SavedGamesViewController.h"
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#import "SDL_uikitappdelegate.h"
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#import "CommodityFunctions.h"
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@implementation SavedGamesViewController
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@synthesize tableView, listOfSavegames;
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-(BOOL) shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation) interfaceOrientation {
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    return rotationManager(interfaceOrientation);
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}
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-(void) viewDidLoad {
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    self.tableView.backgroundView = nil;
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    [[NSNotificationCenter defaultCenter] addObserver:self
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                                             selector:@selector(viewWillAppear:)
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                                                 name:@"removedSave"
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                                               object:nil];
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    [super viewDidLoad];
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}
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-(void) viewWillAppear:(BOOL)animated {
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    [super viewWillAppear:animated];
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    NSArray *contentsOfDir = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:SAVES_DIRECTORY() error:NULL];
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    NSMutableArray *array = [[NSMutableArray alloc] initWithArray:contentsOfDir copyItems:YES];
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    self.listOfSavegames = array;
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    [array release];
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    [self.tableView reloadData];    
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}
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-(IBAction) buttonPressed:(id) sender {
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    playSound(@"backSound");
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    [self.tableView setEditing:NO animated:YES];
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    [[self parentViewController] dismissModalViewControllerAnimated:YES];
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}
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-(IBAction) toggleEdit:(id) sender {
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    BOOL isEditing = self.tableView.editing;
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    [self.tableView setEditing:!isEditing animated:YES];
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}
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#pragma mark -
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#pragma mark Table view data source
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-(NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
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    return 1;
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}
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-(NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
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    return [self.listOfSavegames count];
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}
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-(UITableViewCell *)tableView:(UITableView *)aTableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
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    static NSString *CellIdentifier = @"Cell";
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    EditableCellView *editableCell = (EditableCellView *)[aTableView dequeueReusableCellWithIdentifier:CellIdentifier];
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    if (editableCell == nil) {
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        editableCell = [[[EditableCellView alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];
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        editableCell.delegate = self;
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    }
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    editableCell.tag = [indexPath row];
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    editableCell.respectEditing = YES;
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    editableCell.textField.text = [[self.listOfSavegames objectAtIndex:[indexPath row]] stringByDeletingPathExtension];
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    editableCell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
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    UIImage *addImg = [UIImage imageWithContentsOfFile:@"plus.png"];
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    UIButton *customButton = [UIButton buttonWithType:UIButtonTypeContactAdd];
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    customButton.tag = [indexPath row];
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    [customButton setImage:addImg forState:UIControlStateNormal];
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    [customButton addTarget:self action:@selector(duplicateEntry:) forControlEvents:UIControlEventTouchUpInside];
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    editableCell.editingAccessoryView = customButton;
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    return (UITableViewCell *)editableCell;
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}
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-(UIView *)tableView:(UITableView *)tableView viewForFooterInSection:(NSInteger) section {
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    UIView *footer = [[UIView alloc] initWithFrame:CGRectMake(0, 0, self.tableView.frame.size.width, 50)];
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    footer.backgroundColor = [UIColor clearColor];
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    UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, self.tableView.frame.size.width*80/100, 100)];
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    label.center = CGPointMake(self.tableView.frame.size.width/2,70);
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    label.textAlignment = UITextAlignmentCenter;
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    label.font = [UIFont systemFontOfSize:16];
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    label.textColor = [UIColor lightGrayColor];
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    label.numberOfLines = 5;
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    label.text = NSLocalizedString(@"Games are automatically saved and can be resumed by selecting an entry above.\nYou can modify this list by pressing the 'Edit' button.\nNotice that completed games are deleted, so make backups.",@"");
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    label.backgroundColor = [UIColor clearColor];
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    [footer addSubview:label];
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    [label release];
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    return [footer autorelease];
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}
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-(void) tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
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    NSUInteger row = [indexPath row];
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    [(EditableCellView *)[self.tableView cellForRowAtIndexPath:[NSIndexPath indexPathForRow:row inSection:0]] save:nil];
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    NSString *saveName = [self.listOfSavegames objectAtIndex:row];
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    NSString *currentFilePath = [NSString stringWithFormat:@"%@/%@",SAVES_DIRECTORY(),saveName];
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    [[NSFileManager defaultManager] removeItemAtPath:currentFilePath error:nil];
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    [self.listOfSavegames removeObject:saveName];
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    [self.tableView reloadData];
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}
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-(void) duplicateEntry:(id) sender {
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    UIButton *button = (UIButton *)sender;
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    NSUInteger row = button.tag;
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    [(EditableCellView *)[self.tableView cellForRowAtIndexPath:[NSIndexPath indexPathForRow:row inSection:0]] save:nil];
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    NSString *currentSaveName = [self.listOfSavegames objectAtIndex:row];
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    NSString *newSaveName = [[currentSaveName stringByDeletingPathExtension] stringByAppendingFormat:@" %d.hws",[self.listOfSavegames count]];
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    NSString *currentFilePath = [NSString stringWithFormat:@"%@/%@",SAVES_DIRECTORY(),currentSaveName];
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    NSString *newFilePath = [NSString stringWithFormat:@"%@/%@",SAVES_DIRECTORY(),newSaveName];
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    [[NSFileManager defaultManager] copyItemAtPath:currentFilePath toPath:newFilePath error:nil];
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    [self.listOfSavegames addObject:newSaveName];
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    [self.listOfSavegames sortUsingSelector:@selector(compare:)];
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    //[self.tableView insertRowsAtIndexPaths:[NSArray arrayWithObject:[NSIndexPath indexPathForRow:[self.listOfSavegames indexOfObject:newSaveName] inSection:0]] withRowAnimation:UITableViewRowAnimationFade];
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    [self.tableView reloadData];
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}
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#pragma mark -
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#pragma mark Table view delegate
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-(void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
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    [self.tableView deselectRowAtIndexPath:indexPath animated:YES];
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    [(EditableCellView *)[self.tableView cellForRowAtIndexPath:indexPath] save:nil];
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    NSString *filePath = [NSString stringWithFormat:@"%@/%@",SAVES_DIRECTORY(),[self.listOfSavegames objectAtIndex:[indexPath row]]];
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    NSDictionary *allDataNecessary = [NSDictionary dictionaryWithObjectsAndKeys:
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                                      [NSDictionary dictionary],@"game_dictionary",
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                                      filePath,@"savefile",
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                                      [NSNumber numberWithBool:NO],@"netgame",
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                                      nil];
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    [[SDLUIKitDelegate sharedAppDelegate] startSDLgame:allDataNecessary];
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}
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#pragma mark -
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#pragma mark editableCellView delegate
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// rename old file if names differ
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-(void) saveTextFieldValue:(NSString *)textString withTag:(NSInteger) tagValue {
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    NSString *oldFilePath = [NSString stringWithFormat:@"%@/%@",SAVES_DIRECTORY(),[self.listOfSavegames objectAtIndex:tagValue]];
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    NSString *newFilePath = [NSString stringWithFormat:@"%@/%@.hws",SAVES_DIRECTORY(),textString];
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    if ([oldFilePath isEqualToString:newFilePath] == NO) {
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        [[NSFileManager defaultManager] moveItemAtPath:oldFilePath toPath:newFilePath error:nil];
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        [self.listOfSavegames replaceObjectAtIndex:tagValue withObject:[textString stringByAppendingString:@".hws"]];
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    }
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}
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#pragma mark -
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#pragma mark Memory Management
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-(void) didReceiveMemoryWarning {
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    [super didReceiveMemoryWarning];
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}
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-(void) viewDidUnload {
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    self.tableView = nil;
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    self.listOfSavegames = nil;
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    [super viewDidUnload];
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}
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-(void) dealloc {
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    [tableView release];
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    [listOfSavegames release];
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    [super dealloc];
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}
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@end