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609 lines
28 KiB
Objective-C
609 lines
28 KiB
Objective-C
//
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// InsertDiskViewController.m
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// Mini vMac
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//
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// Created by Jesús A. Álvarez on 07/05/2016.
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// Copyright © 2016 namedfork. All rights reserved.
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//
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#import "InsertDiskViewController.h"
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#import "AppDelegate.h"
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#import "UIImage+DiskImageIcon.h"
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@interface InsertDiskViewController () <UITextFieldDelegate, UIAlertViewDelegate>
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@end
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@interface FileTableViewCell : UITableViewCell
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@property (nonatomic, weak) InsertDiskViewController *controller;
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@property (nonatomic, strong) NSString *filePath;
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@property (nonatomic, assign) BOOL showExtension;
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- (void)share:(id)sender;
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- (void)rename:(id)sender;
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- (void)delete:(id)sender;
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@end
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@implementation InsertDiskViewController
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{
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NSString *basePath;
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NSArray<NSString*> *diskImages, *otherFiles;
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UIAlertController *createDiskImageController;
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UIAlertView *createDiskImageAlert;
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__block __weak UITextField *sizeTextField;
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__block __weak UITextField *nameTextField;
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NSString *fileToRename;
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BOOL importing;
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}
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+ (void)initialize {
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UIMenuController *menuController = [UIMenuController sharedMenuController];
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menuController.menuItems = @[[[UIMenuItem alloc] initWithTitle:NSLocalizedString(@"Rename", @"Rename Context Menu Item") action:@selector(rename:)],
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[[UIMenuItem alloc] initWithTitle:NSLocalizedString(@"Share", @"Share Context Menu Item") action:@selector(share:)]];
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}
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- (void)viewDidLoad {
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[super viewDidLoad];
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basePath = [AppDelegate sharedInstance].documentsPath;
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[self loadDirectoryContents];
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self.navigationItem.rightBarButtonItem = self.editButtonItem;
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}
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- (void)viewWillAppear:(BOOL)animated {
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[super viewWillAppear:animated];
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importing = [[AppDelegate sharedEmulator].currentApplication isEqualToString:@"ImportFl"];
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if (importing) {
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self.title = NSLocalizedString(@"Import File", nil);
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}
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}
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- (void)viewDidAppear:(BOOL)animated {
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[super viewDidAppear:animated];
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NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
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[nc addObserver:self selector:@selector(reloadData:) name:[AppDelegate sharedEmulator].insertDiskNotification object:nil];
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[nc addObserver:self selector:@selector(reloadData:) name:[AppDelegate sharedEmulator].ejectDiskNotification object:nil];
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[nc addObserver:self selector:@selector(reloadData:) name:DocumentsChangedNotification object:nil];
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}
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- (void)viewDidDisappear:(BOOL)animated {
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[super viewDidDisappear:animated];
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NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
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[nc removeObserver:self name:[AppDelegate sharedEmulator].insertDiskNotification object:nil];
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[nc removeObserver:self name:[AppDelegate sharedEmulator].ejectDiskNotification object:nil];
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[nc removeObserver:self name:DocumentsChangedNotification object:nil];
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}
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- (void)loadDirectoryContents {
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NSArray *allFiles = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:basePath error:NULL];
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diskImages = [allFiles filteredArrayUsingPredicate:[NSPredicate predicateWithFormat:@"%@ containsObject: pathExtension.lowercaseString", [AppDelegate sharedInstance].diskImageExtensions]];
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otherFiles = [allFiles filteredArrayUsingPredicate:[NSPredicate predicateWithBlock:^BOOL(NSString* _Nonnull name, NSDictionary<NSString *,id> * _Nullable bindings) {
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BOOL isDiskImage = [diskImages containsObject:name];
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BOOL isDirectory;
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BOOL isHidden = [name hasPrefix:@"."];
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[[NSFileManager defaultManager] fileExistsAtPath:[basePath stringByAppendingPathComponent:name] isDirectory:&isDirectory];
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return !(isDirectory || isDiskImage || isHidden);
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}]];
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}
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- (void)reloadData:(id)sender {
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[self loadDirectoryContents];
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[self.tableView reloadData];
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}
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- (IBAction)refresh:(id)sender {
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[self reloadData:sender];
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[self.refreshControl endRefreshing];
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}
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#pragma mark - Button Actions
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- (void)showSettings:(id)sender {
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[[AppDelegate sharedInstance] showSettings:sender];
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}
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- (void)dismiss:(id)sender {
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[self dismissViewControllerAnimated:YES completion:nil];
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}
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- (void)macInterrupt:(id)sender {
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[self dismiss:sender];
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[[AppDelegate sharedEmulator] interrupt];
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}
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- (void)macReset:(id)sender {
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[[AppDelegate sharedEmulator] reset];
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}
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#pragma mark - Table view data source
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- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
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return self.editing || importing ? 2 : 1;
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}
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- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
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switch (section) {
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case 0: return diskImages.count + (self.editing ? 1 : 0);
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case 1: return otherFiles.count;
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default: return 0;
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}
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}
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- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
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return section == 0 ? NSLocalizedString(@"Disk Images", nil) : NSLocalizedString(@"Other Files", nil);
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}
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- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section {
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return self.editing ? UITableViewAutomaticDimension : 0.0;
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}
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- (void)setEditing:(BOOL)editing animated:(BOOL)animated {
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[super setEditing:editing animated:animated];
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[self.tableView beginUpdates];
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[self loadDirectoryContents];
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self.tableView.tableHeaderView = nil;
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[self.tableView reloadSections:[NSIndexSet indexSetWithIndex:0] withRowAnimation:UITableViewRowAnimationFade];
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if (importing) {
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[self.tableView reloadSections:[NSIndexSet indexSetWithIndex:1] withRowAnimation:UITableViewRowAnimationFade];
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} else if (editing) {
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[self.tableView insertSections:[NSIndexSet indexSetWithIndex:1] withRowAnimation:UITableViewRowAnimationFade];
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} else {
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[self.tableView deleteSections:[NSIndexSet indexSetWithIndex:1] withRowAnimation:UITableViewRowAnimationFade];
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}
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[self.tableView endUpdates];
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}
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- (NSString *)fileAtIndexPath:(NSIndexPath *)indexPath {
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NSArray<NSString*> *files = indexPath.section == 0 ? diskImages : otherFiles;
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if (indexPath.row < files.count) {
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NSString *fileName = files[indexPath.row];
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return [basePath stringByAppendingPathComponent:fileName];
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} else {
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return nil;
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}
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}
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- (NSIndexPath *)indexPathForFile:(NSString *)filePath {
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NSString *fileName = filePath.lastPathComponent;
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if ([diskImages containsObject:fileName]) {
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return [NSIndexPath indexPathForRow:[diskImages indexOfObject:fileName] inSection:0];
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} else if ([otherFiles containsObject:fileName]) {
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return [NSIndexPath indexPathForRow:[otherFiles indexOfObject:fileName] inSection:1];
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} else {
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return nil;
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}
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}
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- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
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FileTableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"cell" forIndexPath:indexPath];
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NSString *filePath = [self fileAtIndexPath:indexPath];
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if (filePath) {
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cell.showExtension = self.editing || importing;
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cell.filePath = filePath;
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if ([[AppDelegate sharedEmulator] isDiskInserted:filePath]) {
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cell.userInteractionEnabled = NO;
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cell.textLabel.enabled = NO;
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cell.imageView.alpha = 0.5;
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}
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} else {
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cell.textLabel.text = NSLocalizedString(@"Create Disk Image…", nil);
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cell.detailTextLabel.text = nil;
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}
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cell.controller = self;
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return cell;
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}
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- (UITableViewCellEditingStyle)tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath {
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if (self.editing == NO) {
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return UITableViewCellEditingStyleNone;
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} else if (indexPath.section == 0) {
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if (indexPath.row == diskImages.count) {
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return UITableViewCellEditingStyleInsert;
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}
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NSString *filePath = [self fileAtIndexPath:indexPath];
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BOOL isInserted = [[AppDelegate sharedEmulator] isDiskInserted:filePath];
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return isInserted ? UITableViewCellEditingStyleNone : UITableViewCellEditingStyleDelete;
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} else {
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return UITableViewCellEditingStyleDelete;
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}
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}
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- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
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if (editingStyle == UITableViewCellEditingStyleDelete) {
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NSString *filePath = [self fileAtIndexPath:indexPath];
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if ([UIAlertController class]) {
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[self askDeleteFile:filePath];
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} else {
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[self deleteFile:filePath];
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}
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} else if (editingStyle == UITableViewCellEditingStyleInsert) {
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[self createDiskImage];
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}
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}
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- (BOOL)tableView:(UITableView *)tableView shouldShowMenuForRowAtIndexPath:(nonnull NSIndexPath *)indexPath {
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return [self fileAtIndexPath:indexPath] != nil;
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}
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- (BOOL)tableView:(UITableView *)tableView canPerformAction:(SEL)action forRowAtIndexPath:(NSIndexPath *)indexPath withSender:(id)sender {
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return (action == @selector(share:) || (action == @selector(rename:) || ([UIAlertController class] && action == @selector(delete:))));
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}
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- (void)tableView:(UITableView *)tableView performAction:(SEL)action forRowAtIndexPath:(NSIndexPath *)indexPath withSender:(id)sender {
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// menu will not be shown if this method doesn't exist
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}
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- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
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NSString *filePath = [self fileAtIndexPath:indexPath];
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if (filePath && ![[AppDelegate sharedEmulator] isDiskInserted:filePath]) {
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[self dismissViewControllerAnimated:YES completion:^{
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[[AppDelegate sharedEmulator] insertDisk:filePath];
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}];
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}
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}
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#pragma mark - File Actions
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- (void)deleteFile:(NSString*)filePath {
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NSError *error = nil;
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if ([[NSFileManager defaultManager] removeItemAtPath:filePath error:&error]) {
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NSIndexPath *indexPath = [self indexPathForFile:filePath];
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[self loadDirectoryContents];
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[self.tableView deleteRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationFade];
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} else {
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[[AppDelegate sharedInstance] showAlertWithTitle:NSLocalizedString(@"Could not delete file", nil) message:error.localizedDescription];
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}
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}
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- (void)askDeleteFile:(NSString*)filePath {
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NSString *fileName = filePath.lastPathComponent;
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NSString *message = [NSString stringWithFormat:NSLocalizedString(@"Are you sure you want to delete %@? This operation cannot be undone.", nil), fileName];
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UIAlertController *alertController = [UIAlertController alertControllerWithTitle:NSLocalizedString(@"Delete File", nil) message:message preferredStyle:UIAlertControllerStyleAlert];
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[alertController addAction:[UIAlertAction actionWithTitle:NSLocalizedString(@"Cancel", nil) style:UIAlertActionStyleCancel handler:nil]];
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[alertController addAction:[UIAlertAction actionWithTitle:NSLocalizedString(@"Delete", nil) style:UIAlertActionStyleDestructive handler:^(UIAlertAction * _Nonnull action) {
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[self deleteFile:filePath];
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}]];
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[self presentViewController:alertController animated:YES completion:nil];
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}
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- (void)askRenameFile:(NSString*)filePath {
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NSString *fileName = filePath.lastPathComponent;
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if ([UIAlertController class]) {
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UIAlertController *alertController = [UIAlertController alertControllerWithTitle:fileName message:NSLocalizedString(@"Enter new name", nil) preferredStyle:UIAlertControllerStyleAlert];
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[alertController addTextFieldWithConfigurationHandler:^(UITextField * _Nonnull textField) {
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nameTextField = textField;
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textField.delegate = self;
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textField.placeholder = fileName;
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textField.text = fileName;
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}];
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[alertController addAction:[UIAlertAction actionWithTitle:NSLocalizedString(@"Cancel", nil) style:UIAlertActionStyleCancel handler:nil]];
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[alertController addAction:[UIAlertAction actionWithTitle:NSLocalizedString(@"Rename", nil) style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
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NSString *newName = alertController.textFields.firstObject.text;
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[self renameFile:filePath toName:newName];
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}]];
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[self presentViewController:alertController animated:YES completion:nil];
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} else {
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UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:fileName message:NSLocalizedString(@"Enter new name", nil) delegate:self cancelButtonTitle:NSLocalizedString(@"Cancel", nil) otherButtonTitles:NSLocalizedString(@"Rename", nil), nil];
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alertView.alertViewStyle = UIAlertViewStylePlainTextInput;
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nameTextField = [alertView textFieldAtIndex:0];
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nameTextField.delegate = self;
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nameTextField.placeholder = fileName;
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nameTextField.text = fileName;
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fileToRename = filePath;
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[alertView show];
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}
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}
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- (void)renameFile:(NSString*)filePath toName:(NSString*)newName {
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NSError *error = nil;
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NSString *newPath = [filePath.stringByDeletingLastPathComponent stringByAppendingPathComponent:newName];
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if ([[NSFileManager defaultManager] moveItemAtPath:filePath toPath:newPath error:&error]) {
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NSIndexPath *oldIndexPath = [self indexPathForFile:filePath];
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[self loadDirectoryContents];
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NSIndexPath *newIndexPath = [self indexPathForFile:newPath];
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if (newIndexPath == nil || newIndexPath.section >= self.tableView.numberOfSections) {
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[self.tableView deleteRowsAtIndexPaths:@[oldIndexPath] withRowAnimation:UITableViewRowAnimationFade];
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} else {
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[self.tableView moveRowAtIndexPath:oldIndexPath toIndexPath:newIndexPath];
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[self.tableView reloadRowsAtIndexPaths:@[newIndexPath] withRowAnimation:UITableViewRowAnimationNone];
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}
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} else {
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[[AppDelegate sharedInstance] showAlertWithTitle:NSLocalizedString(@"Could not rename file", nil) message:error.localizedDescription];
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}
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}
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#pragma mark - Disk Image Creation
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- (void)createDiskImage {
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if ([UIAlertController class]) {
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UIAlertController *alertController = [UIAlertController alertControllerWithTitle:NSLocalizedString(@"Create Disk Image", nil) message:nil preferredStyle:UIAlertControllerStyleAlert];
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[alertController addTextFieldWithConfigurationHandler:^(UITextField * _Nonnull textField) {
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textField.placeholder = NSLocalizedString(@"name", nil);
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[textField addTarget:self action:@selector(validateCreateDiskImageInput:) forControlEvents:UIControlEventAllEditingEvents];
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}];
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[alertController addTextFieldWithConfigurationHandler:^(UITextField * _Nonnull textField) {
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[self _configureNewDiskSizeField:textField];
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}];
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[alertController addAction:[UIAlertAction actionWithTitle:NSLocalizedString(@"Cancel", nil) style:UIAlertActionStyleCancel handler:nil]];
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UIAlertAction *createAction = [UIAlertAction actionWithTitle:NSLocalizedString(@"Create", nil) style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
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NSString *name = [self _newDiskImageName];
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off_t size = [self _newDiskImageSize];
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createDiskImageController = nil;
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[self createDiskImageWithName:name size:size];
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}];
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[alertController addAction:createAction];
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createAction.enabled = NO;
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[self presentViewController:alertController animated:YES completion:nil];
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createDiskImageController = alertController;
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} else {
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UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"Create Disk Image", nil) message:nil delegate:self cancelButtonTitle:NSLocalizedString(@"Cancel", nil) otherButtonTitles:NSLocalizedString(@"Create", nil), nil];
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alertView.alertViewStyle = UIAlertViewStyleLoginAndPasswordInput;
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nameTextField = [alertView textFieldAtIndex:0];
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nameTextField.delegate = self;
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nameTextField.placeholder = NSLocalizedString(@"name", nil);
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[nameTextField addTarget:self action:@selector(validateCreateDiskImageInput:) forControlEvents:UIControlEventAllEditingEvents];
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[self _configureNewDiskSizeField:[alertView textFieldAtIndex:1]];
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createDiskImageAlert = alertView;
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[alertView show];
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}
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}
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- (void)_configureNewDiskSizeField:(UITextField*)textField {
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textField.secureTextEntry = NO;
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textField.placeholder = NSLocalizedString(@"size", nil);
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textField.keyboardType = UIKeyboardTypeDecimalPad;
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UILabel *unitLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, 60.0, 32.0)];
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textField.rightViewMode = UITextFieldViewModeAlways;
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textField.rightView = unitLabel;
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unitLabel.textAlignment = NSTextAlignmentRight;
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UISegmentedControl *unitsControl = [[UISegmentedControl alloc] initWithFrame:CGRectMake(0, 0, 80.0, 16.0)];
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NSArray *units = @[NSLocalizedString(@"KB", nil), NSLocalizedString(@"MB", nil)];
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[units enumerateObjectsUsingBlock:^(NSString *title, NSUInteger idx, BOOL * _Nonnull stop) {
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[unitsControl insertSegmentWithTitle:title atIndex:idx animated:NO];
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}];
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unitsControl.selectedSegmentIndex = 0;
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textField.rightView = unitsControl;
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sizeTextField = textField;
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textField.delegate = self;
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[textField addTarget:self action:@selector(validateCreateDiskImageInput:) forControlEvents:UIControlEventAllEditingEvents];
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[unitsControl addTarget:self action:@selector(validateCreateDiskImageInput:) forControlEvents:UIControlEventValueChanged];
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unitLabel.text = [unitsControl titleForSegmentAtIndex:unitsControl.selectedSegmentIndex];
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}
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- (BOOL)validateCreateDiskImageInput:(id)sender {
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BOOL valid = NO;
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if (self.presentedViewController == createDiskImageController || createDiskImageAlert.visible) {
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NSString *name = [self _newDiskImageName];
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BOOL nameIsValid = (name.length > 0) && ![name hasPrefix:@"."] && ![name containsString:@"/"] && ![name containsString:@"*"];
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off_t size = [self _newDiskImageSize];
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BOOL sizeIsValid = (size >= 400 * 1024) && (size <= 2LL * 1024 * 1024 * 1024);
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valid = nameIsValid && sizeIsValid;
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if (createDiskImageController != nil) {
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UIAlertAction *createAction = createDiskImageController.actions[1];
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createAction.enabled = valid;
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} else if (sender == sizeTextField.rightView) {
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// fake edit event to call alertViewShouldEnableFirstOtherButton
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[sizeTextField sendActionsForControlEvents:UIControlEventEditingChanged];
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}
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}
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return valid;
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}
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- (NSString*)_newDiskImageName {
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if (createDiskImageController != nil) {
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return createDiskImageController.textFields[0].text;
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} else if (createDiskImageAlert.visible) {
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return nameTextField.text;
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} else {
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return nil;
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}
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}
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- (off_t)_newDiskImageSize {
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if (createDiskImageController == nil && !createDiskImageAlert.visible) {
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return 0;
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}
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UISegmentedControl *unitsControl = (UISegmentedControl*)sizeTextField.rightView;
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off_t unitsMultiplier = (unitsControl.selectedSegmentIndex == 0) ? 1024 : 1024 * 1024;
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off_t size = sizeTextField.text.floatValue * unitsMultiplier;
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return size;
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}
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- (void)createDiskImageWithName:(NSString*)name size:(off_t)size {
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NSString *imageFileName = [[AppDelegate sharedInstance].diskImageExtensions containsObject:name.pathExtension.lowercaseString] ? name : [name stringByAppendingPathExtension:@"img"];
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NSString *imagePath = [basePath stringByAppendingPathComponent:imageFileName];
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int fd = open(imagePath.fileSystemRepresentation, O_CREAT | O_TRUNC | O_EXCL | O_WRONLY, 0666);
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if (fd == -1) {
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[[AppDelegate sharedInstance] showAlertWithTitle:NSLocalizedString(@"Could not create disk image", nil) message:[[NSString alloc] initWithUTF8String:strerror(errno)]];
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return;
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}
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UIActivityIndicatorView *activityIndicatorView = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];
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activityIndicatorView.color = [UIColor blackColor];
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if ([UIAlertController class]) {
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UIAlertController *alertController = [UIAlertController alertControllerWithTitle:NSLocalizedString(@"Creating Disk Image", nil) message:@"\n\n\n" preferredStyle:UIAlertControllerStyleAlert];
|
|
[self presentViewController:alertController animated:true completion:^{
|
|
UIView *alertView = alertController.view;
|
|
activityIndicatorView.autoresizingMask = UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin;
|
|
activityIndicatorView.center = CGPointMake(alertView.bounds.size.width / 2.0, alertView.bounds.size.height / 2.0 + 32.0);
|
|
[alertView addSubview:activityIndicatorView];
|
|
[activityIndicatorView startAnimating];
|
|
[self _writeNewDiskImage:fd size:size activityIndicator:activityIndicatorView progressAlert:alertController];
|
|
}];
|
|
} else {
|
|
UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"Creating Disk Image", nil) message:nil delegate:nil cancelButtonTitle:nil otherButtonTitles:nil];
|
|
[alertView addSubview:activityIndicatorView];
|
|
[activityIndicatorView startAnimating];
|
|
[alertView setValue:activityIndicatorView forKey:@"accessoryView"];
|
|
[alertView show];
|
|
[self _writeNewDiskImage:fd size:size activityIndicator:activityIndicatorView progressAlert:alertView];
|
|
}
|
|
}
|
|
|
|
- (void)_writeNewDiskImage:(int)fd size:(off_t)size activityIndicator:(UIActivityIndicatorView*)activityIndicatorView progressAlert:(id)progressAlert {
|
|
long queue = NSFoundationVersionNumber >= NSFoundationVersionNumber_iOS_8_0 ? QOS_CLASS_USER_INITIATED : DISPATCH_QUEUE_PRIORITY_HIGH;
|
|
dispatch_async(dispatch_get_global_queue(queue, 0), ^{
|
|
int error = 0;
|
|
if (ftruncate(fd, size)) {
|
|
error = errno;
|
|
}
|
|
close(fd);
|
|
dispatch_async(dispatch_get_main_queue(), ^{
|
|
[activityIndicatorView stopAnimating];
|
|
if ([progressAlert isKindOfClass:[UIAlertController class]]) {
|
|
[self dismissViewControllerAnimated:YES completion:^{
|
|
if (error) {
|
|
[[AppDelegate sharedInstance] showAlertWithTitle:NSLocalizedString(@"Could not create disk image", nil) message:[[NSString alloc] initWithUTF8String:strerror(error)]];
|
|
}
|
|
}];
|
|
} else if ([progressAlert isKindOfClass:[UIAlertView class]]) {
|
|
UIAlertView *alert = progressAlert;
|
|
[alert dismissWithClickedButtonIndex:0 animated:NO];
|
|
if (error) {
|
|
[[AppDelegate sharedInstance] showAlertWithTitle:NSLocalizedString(@"Could not create disk image", nil) message:[[NSString alloc] initWithUTF8String:strerror(error)]];
|
|
}
|
|
}
|
|
[self.tableView beginUpdates];
|
|
[self loadDirectoryContents];
|
|
[self.tableView reloadSections:[NSIndexSet indexSetWithIndex:0] withRowAnimation:UITableViewRowAnimationFade];
|
|
[self.tableView endUpdates];
|
|
});
|
|
});
|
|
}
|
|
#pragma mark - Text Field Delegate
|
|
|
|
- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string {
|
|
if (textField == sizeTextField) {
|
|
UISegmentedControl *unitsControl = (UISegmentedControl*)textField.rightView;
|
|
NSArray *unitShortcuts = @[@"k", @"m"];
|
|
if (string.length == 0) {
|
|
return YES;
|
|
} else if (string.length == 1 && [unitShortcuts indexOfObject:string.lowercaseString] != NSNotFound) {
|
|
unitsControl.selectedSegmentIndex = [unitShortcuts indexOfObject:string.lowercaseString];
|
|
[unitsControl sendActionsForControlEvents:UIControlEventValueChanged];
|
|
return NO;
|
|
} else {
|
|
NSString *newString = [textField.text stringByReplacingCharactersInRange:range withString:string];
|
|
NSScanner *scanner = [NSScanner scannerWithString:newString];
|
|
double value;
|
|
return [scanner scanDouble:&value] && scanner.isAtEnd && value >= 0;
|
|
}
|
|
} else {
|
|
return YES;
|
|
}
|
|
}
|
|
|
|
- (void)textFieldDidBeginEditing:(UITextField *)textField {
|
|
if (textField == nameTextField && textField.text.pathExtension.length > 0) {
|
|
UITextPosition *beforeExtensionPosition = [textField positionFromPosition:textField.endOfDocument offset:-(textField.text.pathExtension.length + 1)];
|
|
UITextRange *nameWithoutExtensionRange = [textField textRangeFromPosition:textField.beginningOfDocument toPosition:beforeExtensionPosition];
|
|
[textField performSelector:@selector(setSelectedTextRange:) withObject:nameWithoutExtensionRange afterDelay:0.1];
|
|
}
|
|
}
|
|
|
|
#pragma mark - Alert Delegate
|
|
|
|
- (void)alertView:(UIAlertView *)alertView willDismissWithButtonIndex:(NSInteger)buttonIndex {
|
|
if (fileToRename && buttonIndex == alertView.firstOtherButtonIndex) {
|
|
[self renameFile:fileToRename toName:nameTextField.text];
|
|
fileToRename = nil;
|
|
} else if (createDiskImageAlert != nil) {
|
|
NSString *name = [self _newDiskImageName];
|
|
off_t size = [self _newDiskImageSize];
|
|
createDiskImageAlert = nil;
|
|
[self createDiskImageWithName:name size:size];
|
|
}
|
|
}
|
|
|
|
- (BOOL)alertViewShouldEnableFirstOtherButton:(UIAlertView *)alertView {
|
|
if (alertView == createDiskImageAlert) {
|
|
return [self validateCreateDiskImageInput:alertView];
|
|
}
|
|
return YES;
|
|
}
|
|
|
|
@end
|
|
|
|
@implementation FileTableViewCell
|
|
{
|
|
UIImage *defaultIcon;
|
|
}
|
|
|
|
- (void)prepareForReuse {
|
|
[super prepareForReuse];
|
|
self.userInteractionEnabled = YES;
|
|
self.textLabel.text = nil;
|
|
self.textLabel.enabled = YES;
|
|
self.imageView.image = nil;
|
|
self.imageView.alpha = 1.0;
|
|
self.detailTextLabel.text = nil;
|
|
if (_filePath) {
|
|
[[NSNotificationCenter defaultCenter] removeObserver:self name:DidUpdateIconForDiskImageNotification object:_filePath];
|
|
_filePath = nil;
|
|
}
|
|
}
|
|
|
|
- (void)setFilePath:(NSString *)filePath {
|
|
NSNotificationCenter *notificationCenter = [NSNotificationCenter defaultCenter];
|
|
if (_filePath) {
|
|
[notificationCenter removeObserver:self name:DidUpdateIconForDiskImageNotification object:_filePath];
|
|
}
|
|
_filePath = filePath;
|
|
if (_filePath) {
|
|
[notificationCenter addObserver:self selector:@selector(didUpdateDiskIcon:) name:DidUpdateIconForDiskImageNotification object:_filePath];
|
|
}
|
|
NSString *fileName = filePath.lastPathComponent;
|
|
self.textLabel.text = self.showExtension ? fileName : fileName.stringByDeletingPathExtension;
|
|
NSDictionary *attributes = [[NSURL fileURLWithPath:filePath] resourceValuesForKeys:@[NSURLTotalFileSizeKey, NSURLFileSizeKey] error:NULL];
|
|
if (attributes && attributes[NSURLTotalFileSizeKey]) {
|
|
BOOL isDiskImage = [[AppDelegate sharedInstance].diskImageExtensions containsObject:fileName.pathExtension.lowercaseString];
|
|
if (isDiskImage) {
|
|
NSInteger fileSize = [attributes[NSURLTotalFileSizeKey] integerValue];
|
|
NSInteger numBlocks = fileSize / 512;
|
|
defaultIcon = [UIImage imageNamed:numBlocks == 800 || numBlocks == 1600 ? @"floppy" : @"floppyV"];
|
|
self.imageView.image = [UIImage imageWithIconForDiskImage:filePath] ?: defaultIcon;
|
|
} else {
|
|
defaultIcon = [UIImage imageNamed:@"document"];
|
|
self.imageView.image = defaultIcon;
|
|
}
|
|
NSString *sizeString = [NSByteCountFormatter stringFromByteCount:[attributes[NSURLTotalFileSizeKey] longLongValue] countStyle:NSByteCountFormatterCountStyleBinary];
|
|
self.detailTextLabel.text = sizeString;
|
|
} else {
|
|
self.imageView.image = nil;
|
|
self.detailTextLabel.text = nil;
|
|
}
|
|
}
|
|
|
|
- (void)didUpdateDiskIcon:(NSNotification*)notification {
|
|
if ([_filePath isEqual:notification.object]) {
|
|
UIImage *icon = notification.userInfo[@"icon"];
|
|
self.imageView.image = icon ?: defaultIcon;
|
|
}
|
|
}
|
|
|
|
- (void)share:(id)sender {
|
|
UIActivityViewController *avc = [[UIActivityViewController alloc] initWithActivityItems:@[[NSURL fileURLWithPath:self.filePath]] applicationActivities:nil];
|
|
if ([avc respondsToSelector:@selector(popoverPresentationController)]) {
|
|
avc.modalPresentationStyle = UIModalPresentationPopover;
|
|
avc.popoverPresentationController.sourceView = self.imageView;
|
|
avc.popoverPresentationController.sourceRect = self.imageView.bounds;
|
|
}
|
|
[self.controller presentViewController:avc animated:YES completion:nil];
|
|
}
|
|
|
|
- (void)rename:(id)sender {
|
|
[self.controller askRenameFile:self.filePath];
|
|
}
|
|
|
|
- (void)delete:(id)sender {
|
|
[self.controller askDeleteFile:self.filePath];
|
|
}
|
|
|
|
@end
|