Files
OrderScheduling/Pods/CocoaDebug/Sources/Sandbox/_DirectoryContentsTableViewController.m
DDIsFriend 63ca919ed5 update
2023-08-23 09:24:40 +08:00

742 lines
30 KiB
Objective-C
Executable File

//
// Example
// man
//
// Created by man 11/11/2018.
// Copyright © 2020 man. All rights reserved.
//
#import "_DirectoryContentsTableViewController.h"
#import "_FilePreviewController.h"
#import "_FileTableViewCell.h"
#import "_ImageResources.h"
#import "_Sandboxer.h"
#import <QuickLook/QuickLook.h>
#import "_Sandboxer-Header.h"
#import "_NetworkHelper.h"
#import "_ImageController.h"
#import "_SandboxerHelper.h"
#import "NSObject+CocoaDebug.h"
@interface _DirectoryContentsTableViewController () <QLPreviewControllerDataSource, UIViewControllerPreviewingDelegate, UITableViewDataSource, UITableViewDelegate, UISearchBarDelegate>
@property (nonatomic, strong) NSMutableArray<_FileInfo *> *dataSource;
@property (nonatomic, strong) NSMutableArray<_FileInfo *> *dataSource_cache;
@property (nonatomic, strong) NSMutableArray<_FileInfo *> *dataSource_search;
@property (nonatomic, strong) _FileInfo *previewingFileInfo;
@property (nonatomic, strong) _FileInfo *deletingFileInfo;
@property (nonatomic, strong) UIBarButtonItem *refreshItem;
@property (nonatomic, strong) UIBarButtonItem *editItem;
@property (nonatomic, strong) UIBarButtonItem *closeItem;
@property (nonatomic, strong) UIBarButtonItem *deleteAllItem;
@property (nonatomic, strong) UIBarButtonItem *deleteItem;
@property (nonatomic, strong) UITableView *tableView;
@property (nonatomic, strong) UISearchBar *searchBar;
@property (nonatomic, copy) NSString *randomId;
@property (nonatomic, copy) NSString *searchText;
@end
@implementation _DirectoryContentsTableViewController
//liman
- (void)customNavigationBar
{
//****** copy codes from LogNavigationViewController.swift ******
self.navigationController.navigationBar.translucent = NO;
self.navigationController.navigationBar.tintColor = [_NetworkHelper shared].mainColor;
self.navigationController.navigationBar.titleTextAttributes = @{
NSFontAttributeName:[UIFont boldSystemFontOfSize:20],
NSForegroundColorAttributeName: [_NetworkHelper shared].mainColor
};
//bugfix #issues-158
if (@available(iOS 13.0, *)) {
UINavigationBarAppearance *appearance = [[UINavigationBarAppearance alloc] init];
[appearance configureWithOpaqueBackground];
appearance.shadowColor = [UIColor clearColor];
self.navigationController.navigationBar.standardAppearance = appearance;
self.navigationController.navigationBar.scrollEdgeAppearance = appearance;
}
//swift:
//bugfix #issues-158
// if #available(iOS 13, *) {
// let appearance = UINavigationBarAppearance()
// appearance.configureWithOpaqueBackground()
// // self.navigationController?.navigationBar.isTranslucent = true // pass "true" for fixing iOS 15.0 black bg issue
// // self.navigationController?.navigationBar.tintColor = UIColor.white // We need to set tintcolor for iOS 15.0
// appearance.shadowColor = .clear //removing navigationbar 1 px bottom border.
//// UINavigationBar.appearance().standardAppearance = appearance
//// UINavigationBar.appearance().scrollEdgeAppearance = appearance
// self.navigationBar.standardAppearance = appearance
// self.navigationBar.scrollEdgeAppearance = appearance
// }
}
- (void)exit {
[self.navigationController dismissViewControllerAnimated:YES completion:nil];
}
#pragma mark - View Lifecycle
- (void)dealloc {
[[_SandboxerHelper sharedInstance].searchTextDictionary removeObjectForKey:self.randomId];
}
- (void)viewDidLoad {
[super viewDidLoad];
self.randomId = [_SandboxerHelper generateRandomId];
if (![_SandboxerHelper sharedInstance].searchTextDictionary) {
[_SandboxerHelper sharedInstance].searchTextDictionary = [NSMutableDictionary dictionary];
}
//
UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(didTapView)];
tap.cancelsTouchesInView = NO;
[self.view addGestureRecognizer:tap];
//liman
self.navigationController.navigationBar.barTintColor = [UIColor colorWithRed:31/255.0 green:33/255.0 blue:36/255.0 alpha:1.0];
self.navigationItem.backBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"" style:UIBarButtonItemStylePlain target:nil action:nil];
//liman
if (_IsStringEmpty(self.title)) {
if (self.isHomeDirectory) {
[self customNavigationBar];//liman
self.title = @"Sandbox";
} else {
self.title = self.fileInfo.displayName;
}
}
//
[self setupViews];
[self registerForPreviewing];
}
- (void)viewWillAppear:(BOOL)animated {
[super viewWillAppear:animated];
self.searchText = [[_SandboxerHelper sharedInstance].searchTextDictionary objectForKey:self.randomId];
[self loadDirectoryContents];
[self endEditing];
}
- (void)viewWillDisappear:(BOOL)animated {
[super viewWillDisappear:animated];
if (self.tableView.isEditing) {
[self.navigationController setToolbarHidden:YES animated:YES];
}
[self.searchBar resignFirstResponder];
}
#pragma mark - Private Methods
- (void)setupViews {
//not needed for now
self.editItem = [[UIBarButtonItem alloc] initWithTitle:@"Edit" style:UIBarButtonItemStylePlain target:self action:@selector(editAction)];
self.editItem.possibleTitles = [NSSet setWithObjects:@"Edit", @"Cancel", nil];
//
self.refreshItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemRefresh target:self action:@selector(loadDirectoryContents)];
self.closeItem = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"_icon_file_type_close" inBundle:[NSBundle bundleForClass:self.class] compatibleWithTraitCollection:nil] style:UIBarButtonItemStyleDone target:self action:@selector(exit)];
if (self.homeDirectory) {
self.navigationItem.leftBarButtonItems = @[self.closeItem];
self.navigationItem.rightBarButtonItems = @[self.refreshItem];
} else {
self.navigationItem.rightBarButtonItems = @[self.closeItem, self.refreshItem];
}
//
self.view.backgroundColor = [UIColor blackColor];
self.tableView = [[UITableView alloc] initWithFrame:CGRectMake(0, 0, self.view.bounds.size.width, self.view.bounds.size.height - 44 - [UIApplication sharedApplication].statusBarFrame.size.height - 50) style:UITableViewStylePlain];
BOOL iPhoneX = NO;
if (@available(iOS 11.0, *)) {
UIWindow *mainWindow = [[UIApplication sharedApplication] keyWindow];
if (mainWindow.safeAreaInsets.top > 24.0) {
iPhoneX = YES;
}
}
if (iPhoneX) {
self.tableView.frame = CGRectMake(0, 0, self.view.bounds.size.width, self.view.bounds.size.height - 44 - [UIApplication sharedApplication].statusBarFrame.size.height - 50 - 34);
}
self.tableView.dataSource = self;
self.tableView.delegate = self;
self.tableView.allowsMultipleSelectionDuringEditing = YES;
self.tableView.rowHeight = 60.0;
self.tableView.backgroundColor = [UIColor blackColor];
self.tableView.tableFooterView = [[UIView alloc] init];
self.tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
[self.tableView registerClass:[_FileTableViewCell class] forCellReuseIdentifier:_FileTableViewCellReuseIdentifier];
[self.view addSubview:self.tableView];
self.searchBar = [[UISearchBar alloc] initWithFrame:CGRectMake(0, 0, self.view.bounds.size.width, 44)];
self.searchBar.delegate = self;
self.searchBar.barTintColor = [UIColor blackColor];
self.searchBar.enablesReturnKeyAutomatically = NO;
[self.view addSubview:self.searchBar];
//hide searchBar icon
UITextField *textFieldInsideSearchBar = [self.searchBar valueForKey:@"searchField"];
textFieldInsideSearchBar.leftViewMode = UITextFieldViewModeNever;
textFieldInsideSearchBar.leftView = nil;
textFieldInsideSearchBar.backgroundColor = [UIColor whiteColor];
textFieldInsideSearchBar.returnKeyType = UIReturnKeyDefault;
}
- (void)registerForPreviewing {
if (_SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(@"9.0")) {
if (@available(iOS 9.0, *)) {
if (self.traitCollection.forceTouchCapability == UIForceTouchCapabilityAvailable) {
[self registerForPreviewingWithDelegate:self sourceView:self.view];
}
} else {
// Fallback on earlier versions
}
}
}
- (void)loadDirectoryContents {
self.refreshItem.enabled = NO;
__weak _DirectoryContentsTableViewController *weakSelf = self;
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 0), ^{
NSMutableArray<_FileInfo *> *dataSource_ = [_FileInfo contentsOfDirectoryAtURL:weakSelf.fileInfo.URL];
if ([dataSource_ count] > 0) {
weakSelf.dataSource = dataSource_;
weakSelf.dataSource_cache = dataSource_;
}
dispatch_async(dispatch_get_main_queue(), ^{
weakSelf.refreshItem.enabled = YES;
[weakSelf updateToolbarItems];
[weakSelf searchBar:weakSelf.searchBar textDidChange:weakSelf.searchBar.text];
});
});
[self.searchBar resignFirstResponder];
}
- (_FileInfo *)fileInfoAtIndexPath:(NSIndexPath *)indexPath {
return self.dataSource[indexPath.row];
}
- (UIViewController *)viewControllerWithFileInfo:(_FileInfo *)fileInfo {
if (fileInfo.isDirectory) {
_DirectoryContentsTableViewController *directoryContentsTableViewController = [[_DirectoryContentsTableViewController alloc] init];
directoryContentsTableViewController.fileInfo = fileInfo;
// directoryContentsTableViewController.hidesBottomBarWhenPushed = YES;//liman
return directoryContentsTableViewController;
} else {
if ([_Sandboxer shared].isShareable && fileInfo.isCanPreviewInQuickLook) {
//NSLog(@"Quick Look can preview this file");
self.previewingFileInfo = fileInfo;
QLPreviewController *previewController = [[QLPreviewController alloc] init];
previewController.dataSource = self;
previewController.hidesBottomBarWhenPushed = YES;//liman
return previewController;
} else {
//liman
if (fileInfo.URL) {
NSData *data = [NSData dataWithContentsOfURL:fileInfo.URL];
if (data) {
UIImage *image = [UIImage imageWithGIFData:data];
if (image) {
_ImageController *vc = [[_ImageController alloc] initWithImage:image fileInfo:fileInfo];
vc.hidesBottomBarWhenPushed = YES;//liman
return vc;
}
}
}
//NSLog(@"Quick Look can not preview this file");
_FilePreviewController *filePreviewController = [[_FilePreviewController alloc] init];
filePreviewController.fileInfo = fileInfo;
filePreviewController.hidesBottomBarWhenPushed = YES;//liman
return filePreviewController;
}
}
}
- (BOOL)isCanDeleteAll {
if ((![_Sandboxer shared].isFileDeletable && ![_Sandboxer shared].isDirectoryDeletable) || self.dataSource.count == 0) {
return NO;
}
NSInteger fileCount = 0;
NSInteger directoryCount = 0;
[self getDeletableFileCount:&fileCount directoryCount:&directoryCount];
if (([_Sandboxer shared].isFileDeletable && ![_Sandboxer shared].isDirectoryDeletable && fileCount == 0) || // Can only delete files, but the number of files is 0
(![_Sandboxer shared].isFileDeletable && [_Sandboxer shared].isDirectoryDeletable && directoryCount == 0)) { // Can only delete folders, but the number of folders is 0
return NO;
}
return YES;
}
- (void)getDeletableFileCount:(NSInteger *)fileCount directoryCount:(NSInteger *)directoryCount {
NSInteger fc = 0;
NSInteger dc = 0;
for (_FileInfo *fileInfo in self.dataSource) {
if (fileInfo.isDirectory && [_Sandboxer shared].isDirectoryDeletable) {
dc++;
} else if (!fileInfo.isDirectory && [_Sandboxer shared].isFileDeletable) {
fc++;
}
}
*fileCount = fc;
*directoryCount = dc;
}
- (void)updateToolbarItems {
[self updateToolbarDeleteAllItem];
[self updateToolbarDeleteItem];
}
- (void)updateToolbarDeleteAllItem {
if (self.deleteAllItem) {
self.deleteAllItem.enabled = [self isCanDeleteAll];
}
}
- (void)updateToolbarDeleteItem {
if (self.deleteItem) {
self.deleteItem.enabled = self.tableView.indexPathsForSelectedRows.count > 0;
}
}
- (NSString *)messageForDeleteWithFileCount:(NSInteger)fileCount directoryCount:(NSInteger)directoryCount {
NSMutableString *message = [NSMutableString stringWithString:@"Are you sure to delete"];
if ([_Sandboxer shared].isFileDeletable && fileCount > 0) {
[message appendFormat:@"%ld files", (long)fileCount];
}
if ([_Sandboxer shared].isDirectoryDeletable && directoryCount > 0) {
if ([_Sandboxer shared].isFileDeletable && fileCount > 0) {
[message appendString:@","];
}
[message appendFormat:@"%ld directories", (long)directoryCount];
}
[message appendString:@"?"];
return message.copy;
}
#pragma mark - alert
- (UIAlertController *)alertControllerForDeleteWithMessage:(NSString *)message deleteHandler:(void (^ __nullable)(UIAlertAction *action))handler {
UIAlertController *alert = [UIAlertController alertControllerWithTitle:nil message:message preferredStyle:UIAlertControllerStyleAlert];
[alert addAction:[UIAlertAction actionWithTitle:@"Cancel" style:UIAlertActionStyleCancel handler:nil]];
[alert addAction:[UIAlertAction actionWithTitle:@"Delete" style:UIAlertActionStyleDestructive handler:handler]];
alert.popoverPresentationController.permittedArrowDirections = 0;
alert.popoverPresentationController.sourceView = self.view;
alert.popoverPresentationController.sourceRect = CGRectMake(self.view.bounds.size.width / 2.0, self.view.bounds.size.height / 2.0, 0, 0);
return alert;
}
- (void)showAlert {
UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"Not supported" message:nil preferredStyle:UIAlertControllerStyleAlert];
UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"OK" style:UIAlertActionStyleCancel handler:nil];
[alert addAction:cancelAction];
alert.popoverPresentationController.permittedArrowDirections = 0;
alert.popoverPresentationController.sourceView = self.view;
alert.popoverPresentationController.sourceRect = CGRectMake(self.view.bounds.size.width / 2.0, self.view.bounds.size.height / 2.0, 0, 0);
[self presentViewController:alert animated:YES completion:nil];
}
#pragma mark - target action
- (void)didTapView {
[self.searchBar resignFirstResponder];
}
- (void)editAction {
if (![_Sandboxer shared].isFileDeletable && ![_Sandboxer shared].isDirectoryDeletable) {
[self showAlert];
return;
}
if (!self.tableView.isEditing) {
[self beginEditing];
} else {
[self endEditing];
}
[self.searchBar resignFirstResponder];
}
- (void)beginEditing {
if (self.tableView.isEditing) { return; }
self.tableView.editing = YES;
self.editItem.title = @"Cancel";
self.editItem.style = UIBarButtonItemStyleDone;
[self.navigationController setToolbarHidden:NO animated:YES];
if (nil == self.deleteAllItem) {
self.deleteAllItem = [[UIBarButtonItem alloc] initWithTitle:@"Delete All" style:UIBarButtonItemStylePlain target:self action:@selector(deleteAllAction)];
self.deleteItem = [[UIBarButtonItem alloc] initWithTitle:@"Delete" style:UIBarButtonItemStylePlain target:self action:@selector(deleteSelectedFilesAction)];
//liman
[self.deleteAllItem setTitleTextAttributes:@{NSForegroundColorAttributeName:[UIColor redColor]} forState:UIControlStateNormal];
[self.deleteItem setTitleTextAttributes:@{NSForegroundColorAttributeName:[UIColor redColor]} forState:UIControlStateNormal];
[self.deleteAllItem setTitleTextAttributes:@{NSForegroundColorAttributeName:[UIColor colorWithRed:209/255.0 green:157/255.0 blue:157/255.0 alpha:1.0]} forState:UIControlStateHighlighted];
[self.deleteItem setTitleTextAttributes:@{NSForegroundColorAttributeName:[UIColor colorWithRed:209/255.0 green:157/255.0 blue:157/255.0 alpha:1.0]} forState:UIControlStateHighlighted];
[self setToolbarItems:@[self.deleteAllItem,
[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:nil action:nil],
self.deleteItem] animated:YES];
}
[self updateToolbarItems];
}
- (void)endEditing {
if (!self.tableView.isEditing) { return; }
self.tableView.editing = NO;
self.editItem.title = @"Edit";
self.editItem.style = UIBarButtonItemStylePlain;
[self.navigationController setToolbarHidden:YES animated:YES];
}
- (void)deleteAllAction {
if (![self isCanDeleteAll]) {
return;
}
NSInteger fileCount = 0;
NSInteger directoryCount = 0;
[self getDeletableFileCount:&fileCount directoryCount:&directoryCount];
NSString *message = [self messageForDeleteWithFileCount:fileCount directoryCount:directoryCount];
UIAlertController *alert = [self alertControllerForDeleteWithMessage:message deleteHandler:^(UIAlertAction *action) {
[self deleteAllFiles];
}];
alert.popoverPresentationController.permittedArrowDirections = 0;
alert.popoverPresentationController.sourceView = self.view;
alert.popoverPresentationController.sourceRect = CGRectMake(self.view.bounds.size.width / 2.0, self.view.bounds.size.height / 2.0, 0, 0);
[self presentViewController:alert animated:YES completion:nil];
}
- (void)deleteSelectedFilesAction {
////NSLog(@"mlb - %@, title = %@", NSStringFromSelector(_cmd), self.title);
NSInteger fileCount = 0;
NSInteger directoryCount = 0;
for (NSIndexPath *indexPath in self.tableView.indexPathsForSelectedRows) {
_FileInfo *fileInfo = [self fileInfoAtIndexPath:indexPath];
////NSLog(@"mlb - Delete file: %@", fileInfo.displayName);
if (fileInfo.isDirectory) {
directoryCount++;
} else {
fileCount++;
}
}
NSString *message = [self messageForDeleteWithFileCount:fileCount directoryCount:directoryCount];
UIAlertController *alert = [self alertControllerForDeleteWithMessage:message deleteHandler:^(UIAlertAction *action) {
[self deleteSelectedFiles];
}];
alert.popoverPresentationController.permittedArrowDirections = 0;
alert.popoverPresentationController.sourceView = self.view;
alert.popoverPresentationController.sourceRect = CGRectMake(self.view.bounds.size.width / 2.0, self.view.bounds.size.height / 2.0, 0, 0);
[self presentViewController:alert animated:YES completion:nil];
}
- (void)deleteAllFiles {
////NSLog(@"mlb - %@, title = %@", NSStringFromSelector(_cmd), self.title);
NSMutableArray<_FileInfo *> *deletedFileInfos = [NSMutableArray arrayWithCapacity:self.dataSource.count];
NSMutableArray<NSIndexPath *> *deletedIndexPaths = [NSMutableArray arrayWithCapacity:self.dataSource.count];
[self.dataSource enumerateObjectsWithOptions:NSEnumerationReverse | NSEnumerationConcurrent usingBlock:^(_FileInfo * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
if ([self deleteFile:obj]) {
////NSLog(@"mlb - %@, idx = %lu, obj = %@", NSStringFromSelector(_cmd), (unsigned long)idx, obj.displayName);
[deletedIndexPaths addObject:[NSIndexPath indexPathForRow:idx inSection:0]];
[deletedFileInfos addObject:obj];
}
}];
[self.dataSource removeObjectsInArray:deletedFileInfos];
//TODO... cache search
[self.tableView deleteRowsAtIndexPaths:deletedIndexPaths withRowAnimation:UITableViewRowAnimationAutomatic];
[self endEditing];
}
- (void)deleteSelectedFiles {
////NSLog(@"mlb - %@, title = %@", NSStringFromSelector(_cmd), self.title);
NSMutableArray<_FileInfo *> *deletedFileInfos = [NSMutableArray arrayWithCapacity:self.tableView.indexPathsForSelectedRows.count];
for (NSIndexPath *indexPath in self.tableView.indexPathsForSelectedRows) {
_FileInfo *fileInfo = self.dataSource[indexPath.row];
if ([self deleteFile:fileInfo]) {
[deletedFileInfos addObject:fileInfo];
}
}
[self.dataSource removeObjectsInArray:deletedFileInfos];
//TODO... cache search
[self.tableView deleteRowsAtIndexPaths:self.tableView.indexPathsForSelectedRows withRowAnimation:UITableViewRowAnimationAutomatic];
[self endEditing];
}
- (void)deleteSelectedFile {
if ([self deleteFile:self.deletingFileInfo]) {
NSInteger index = -1;
index = [self.dataSource indexOfObject:self.deletingFileInfo];
[self.dataSource removeObject:self.deletingFileInfo];
if ([self.dataSource_cache count] > 0 && [self.dataSource_cache containsObject:self.deletingFileInfo]) {
[self.dataSource_cache removeObject:self.deletingFileInfo];
}
if ([self.dataSource_search count] > 0 && [self.dataSource_search containsObject:self.deletingFileInfo]) {
[self.dataSource_search removeObject:self.deletingFileInfo];
}
if (index >= 0) {
[self.tableView deleteRowsAtIndexPaths:@[[NSIndexPath indexPathForRow:index inSection:0]] withRowAnimation:UITableViewRowAnimationFade];
}
self.deletingFileInfo = nil;
}
}
- (BOOL)deleteFile:(_FileInfo *)fileInfo {
if (![_Sandboxer shared].isFileDeletable ||
(![_Sandboxer shared].isDirectoryDeletable && fileInfo.isDirectory)) {
return NO;
}
if ([[NSFileManager defaultManager] fileExistsAtPath:fileInfo.URL.path]) {
NSError *error;
[[NSFileManager defaultManager] removeItemAtURL:fileInfo.URL error:&error];
if (error) {
return NO;
}
}
return YES;
}
#pragma mark - UITableViewDataSource
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
return self.dataSource.count;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
_FileTableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:_FileTableViewCellReuseIdentifier forIndexPath:indexPath];
_FileInfo *fileInfo = [self fileInfoAtIndexPath:indexPath];
cell.imageView.image = [_ImageResources fileTypeImageNamed:fileInfo.typeImageName];
cell.textLabel.text = [_Sandboxer shared].isExtensionHidden ? fileInfo.displayName.stringByDeletingPathExtension : fileInfo.displayName;
// cell.accessoryType = fileInfo.isDirectory ? UITableViewCellAccessoryDisclosureIndicator : UITableViewCellAccessoryNone;
cell.accessoryType = UITableViewCellAccessoryNone; //liman
//liman
NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:fileInfo.modificationDateText];
if ([attributedString length] >= 25) {
[attributedString setAttributes:@{NSForegroundColorAttributeName: [_NetworkHelper shared].mainColor, NSFontAttributeName: [UIFont boldSystemFontOfSize:12]} range:NSMakeRange(0, 25)];
}
cell.detailTextLabel.attributedText = [attributedString copy];
// cell.detailTextLabel.text = fileInfo.modificationDateText;
return cell;
}
- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
if ([self fileInfoAtIndexPath:indexPath].isDirectory) {
return [_Sandboxer shared].isDirectoryDeletable;
} else {
return [_Sandboxer shared].isFileDeletable;
}
}
- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
_FileInfo *fileInfo = [self fileInfoAtIndexPath:indexPath];
if (editingStyle == UITableViewCellEditingStyleDelete) {
////NSLog(@"Clicked delete editing style");
self.deletingFileInfo = fileInfo;
NSMutableString *message = [NSMutableString string];
if (fileInfo.isDirectory) {
[message appendFormat:@"Are you sure to delete this directory(including %lu files(or directories) inside)?", (unsigned long)fileInfo.filesCount];
} else {
[message appendString:@"Are you sure to delete this file?"];
}
UIAlertController *alert = [UIAlertController alertControllerWithTitle:nil message:message preferredStyle:UIAlertControllerStyleAlert];
[alert addAction:[UIAlertAction actionWithTitle:@"Cancel" style:UIAlertActionStyleCancel handler:nil]];
[alert addAction:[UIAlertAction actionWithTitle:@"Delete" style:UIAlertActionStyleDestructive handler:^(UIAlertAction * _Nonnull action) {
[self deleteSelectedFile];
}]];
alert.popoverPresentationController.permittedArrowDirections = 0;
alert.popoverPresentationController.sourceView = self.view;
alert.popoverPresentationController.sourceRect = CGRectMake(self.view.bounds.size.width / 2.0, self.view.bounds.size.height / 2.0, 0, 0);
[self presentViewController:alert animated:YES completion:nil];
}
}
#pragma mark - UITableViewDelegate
- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section {
return self.searchBar;
}
- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section {
return 44;
}
- (UITableViewCellEditingStyle)tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath {
return UITableViewCellEditingStyleDelete;
}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
_FileInfo *fileInfo = [self fileInfoAtIndexPath:indexPath];
if (tableView.isEditing) {
if ((fileInfo.isDirectory && ![_Sandboxer shared].isDirectoryDeletable) || (!fileInfo.isDirectory && ![_Sandboxer shared].isFileDeletable)) {
[tableView deselectRowAtIndexPath:indexPath animated:YES];
} else {
[self updateToolbarDeleteItem];
}
} else {
[self.navigationController pushViewController:[self viewControllerWithFileInfo:fileInfo] animated:YES];
}
[self.searchBar resignFirstResponder];
}
- (void)tableView:(UITableView *)tableView didDeselectRowAtIndexPath:(NSIndexPath *)indexPath {
_FileInfo *fileInfo = [self fileInfoAtIndexPath:indexPath];
if (tableView.isEditing) {
if ((fileInfo.isDirectory && ![_Sandboxer shared].isDirectoryDeletable) || (!fileInfo.isDirectory && ![_Sandboxer shared].isFileDeletable)) {
} else {
[self updateToolbarDeleteItem];
}
}
}
#pragma mark - QLPreviewControllerDataSource
- (NSInteger)numberOfPreviewItemsInPreviewController:(QLPreviewController *)controller {
return self.previewingFileInfo ? 1 : 0;
}
- (id<QLPreviewItem>)previewController:(QLPreviewController *)controller previewItemAtIndex:(NSInteger)index {
return self.previewingFileInfo.URL;
}
#pragma mark - UIViewControllerPreviewingDelegate
/// Create a previewing view controller to be shown at "Peek".
- (UIViewController *)previewingContext:(id<UIViewControllerPreviewing>)previewingContext viewControllerForLocation:(CGPoint)location {
// Obtain the index path and the cell that was pressed.
NSIndexPath *indexPath = [self.tableView indexPathForRowAtPoint:location];
_FileTableViewCell *cell = [self.tableView cellForRowAtIndexPath:indexPath];
if (!cell) { return nil; }
_FileInfo *fileInfo = [self fileInfoAtIndexPath:indexPath];
// Create a detail view controller and set its properties.
UIViewController *detailViewController = [self viewControllerWithFileInfo:fileInfo];
/*
Set the height of the preview by setting the preferred content size of the detail view controller.
Width should be zero, because it's not used in portrait.
*/
detailViewController.preferredContentSize = CGSizeZero;
// Set the source rect to the cell frame, so surrounding elements are blurred.
if (_SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(@"9.0")) {
if (@available(iOS 9.0, *)) {
previewingContext.sourceRect = cell.frame;
} else {
// Fallback on earlier versions
}
}
return detailViewController;
}
- (void)previewingContext:(id<UIViewControllerPreviewing>)previewingContext commitViewController:(UIViewController *)viewControllerToCommit {
[self showViewController:viewControllerToCommit sender:self];
}
#pragma mark - UIScrollViewDelegate
- (void)scrollViewDidScroll:(UIScrollView *)scrollView {
[self.searchBar resignFirstResponder];
}
#pragma mark - UISearchBarDelegate
- (void)searchBarSearchButtonClicked:(UISearchBar *)searchBar {
[self.searchBar resignFirstResponder];
}
- (void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText {
if (searchText && ![self.searchText isEqualToString:searchText]) {
[[_SandboxerHelper sharedInstance].searchTextDictionary setObject:searchText forKey:self.randomId];
}
if (!searchText || [searchText isEqualToString:@""]) {
self.dataSource = self.dataSource_cache;
[self.tableView reloadData];
return;
}
if (!self.dataSource_search) {
self.dataSource_search = [NSMutableArray array];
} else {
[self.dataSource_search removeAllObjects];
}
for (_FileInfo *obj in self.dataSource_cache) {
if ([[obj.displayName lowercaseString] containsString:[searchText lowercaseString]]) {
[self.dataSource_search addObject:obj];
}
}
self.dataSource = self.dataSource_search;
[self.tableView reloadData];
}
@end