project_files/HedgewarsMobile/Classes/SchemeSettingsViewController.m
author koda
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/*
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 * Hedgewars-iOS, a Hedgewars port for iOS devices
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 * Copyright (c) 2009-2012 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 19/04/2010.
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 */
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#import "SchemeSettingsViewController.h"
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#import "CreationChamber.h"
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#import "SingleSchemeViewController.h"
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@implementation SchemeSettingsViewController
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@synthesize listOfSchemes;
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-(BOOL) shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
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    return rotationManager(interfaceOrientation);
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}
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#pragma mark -
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#pragma mark View lifecycle
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-(void) viewDidLoad {
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    [super viewDidLoad];
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    UIBarButtonItem *editButton = [[UIBarButtonItem alloc] initWithTitle:NSLocalizedString(@"Edit",@"")
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                                                                   style:UIBarButtonItemStyleBordered
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                                                                  target:self
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                                                                  action:@selector(toggleEdit:)];
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    self.navigationItem.rightBarButtonItem = editButton;
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    [editButton release];
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    self.navigationItem.title = @"List of schemes";
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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:SCHEMES_DIRECTORY() error:NULL];
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    NSMutableArray *array = [[NSMutableArray alloc] initWithArray:contentsOfDir copyItems:YES];
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    self.listOfSchemes = array;
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    [array release];
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    [self.tableView reloadData];
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}
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// modifies the navigation bar to add the "Add" and "Done" buttons
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-(void) 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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    if (isEditing) {
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        [self.navigationItem.rightBarButtonItem setTitle:NSLocalizedString(@"Edit",@"from the scheme panel")];
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        [self.navigationItem.rightBarButtonItem setStyle: UIBarButtonItemStyleBordered];
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        self.navigationItem.leftBarButtonItem = self.navigationItem.backBarButtonItem;
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    } else {
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        [self.navigationItem.rightBarButtonItem setTitle:NSLocalizedString(@"Done",@"from the scheme panel")];
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        [self.navigationItem.rightBarButtonItem setStyle:UIBarButtonItemStyleDone];
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        UIBarButtonItem *addButton = [[UIBarButtonItem alloc] initWithTitle:NSLocalizedString(@"Add",@"from the scheme panel")
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                                                                      style:UIBarButtonItemStyleBordered
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                                                                     target:self
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                                                                     action:@selector(addScheme:)];
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        self.navigationItem.leftBarButtonItem = addButton;
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        [addButton release];
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    }
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}
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-(void) addScheme:(id) sender {
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    NSString *fileName = [[NSString alloc] initWithFormat:@"Scheme %u.plist", [self.listOfSchemes count]];
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    [CreationChamber createSchemeNamed:[fileName stringByDeletingPathExtension]];
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    [self.listOfSchemes addObject:fileName];
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    // order the array alphabetically, so schemes will keep their position
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    [self.listOfSchemes sortUsingSelector:@selector(compare:)];
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    [self.tableView reloadData];
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    NSInteger index = [self.listOfSchemes indexOfObject:fileName];
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    [self.tableView scrollToRowAtIndexPath:[NSIndexPath indexPathForRow:index inSection:0] atScrollPosition:UITableViewScrollPositionMiddle animated:YES];
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    [fileName release];
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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.listOfSchemes count];
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}
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-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
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    static NSString *CellIdentifier = @"Cell";
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    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
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    if (cell == nil) {
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        cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];
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    }
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    NSUInteger row = [indexPath row];
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    NSString *rowString = [[self.listOfSchemes objectAtIndex:row] stringByDeletingPathExtension];
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    cell.textLabel.text = rowString;
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    cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
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    return cell;
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}
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// delete the row and the file
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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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    NSString *schemeFile = [[NSString alloc] initWithFormat:@"%@/%@",SCHEMES_DIRECTORY(),[self.listOfSchemes objectAtIndex:row]];
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    [[NSFileManager defaultManager] removeItemAtPath:schemeFile error:NULL];
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    [schemeFile release];
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    [self.listOfSchemes removeObjectAtIndex:row];
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    [tableView deleteRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] withRowAnimation:UITableViewRowAnimationFade];
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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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    if (childController == nil) {
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        childController = [[SingleSchemeViewController alloc] initWithStyle:UITableViewStyleGrouped];
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    }
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    NSInteger row = [indexPath row];
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    NSString *selectedSchemeFile = [self.listOfSchemes objectAtIndex:row];
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    // this must be set so childController can load the correct plist
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    childController.schemeName = [selectedSchemeFile stringByDeletingPathExtension];
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    [childController.tableView setContentOffset:CGPointMake(0,0) animated:NO];
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    [self.navigationController pushViewController:childController animated:YES];
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    [tableView deselectRowAtIndexPath:indexPath animated:YES];
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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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    if (childController.view.superview == nil )
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        childController = nil;
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    MSG_MEMCLEAN();
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}
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-(void) viewDidUnload {
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    self.listOfSchemes = nil;
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    childController = nil;
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    MSG_DIDUNLOAD();
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    [super viewDidUnload];
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}
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-(void) dealloc {
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    releaseAndNil(listOfSchemes);
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    releaseAndNil(childController);
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    [super dealloc];
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}
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@end
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