transmission/macosx/FileRenameSheetController.m

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//
// FileRenameSheetController.m
// Transmission
//
// Created by Mitchell Livingston on 1/20/13.
// Copyright (c) 2013 The Transmission Project. All rights reserved.
//
#import "FileRenameSheetController.h"
#import "FileListNode.h"
#import "Torrent.h"
typedef void (^CompletionBlock)(BOOL);
@interface FileRenameSheetController ()
@property (nonatomic, retain) Torrent * torrent;
@property (nonatomic, retain) FileListNode * node;
@property (nonatomic, copy) CompletionBlock completionHandler;
@property (nonatomic, copy) NSString * originalName;
@end
@implementation FileRenameSheetController
#warning remove ivars in header when 64-bit only (or it compiles in 32-bit mode)
@synthesize torrent = _torrent;
@synthesize node = _node;
@synthesize completionHandler = _completionHandler;
@synthesize originalName = _originalName;
@synthesize labelField = _labelField;
@synthesize inputField = _inputField;
@synthesize renameButton = _renameButton;
@synthesize cancelButton = _cancelButton;
+ (void) presentSheetForTorrent: (Torrent *) torrent modalForWindow: (NSWindow *) window completionHandler: (void (^)(BOOL didRename)) completionHandler
{
NSParameterAssert(torrent != nil);
NSParameterAssert(window != nil);
FileRenameSheetController * renamer = [[FileRenameSheetController alloc] initWithWindowNibName: @"FileRenameSheetController"];
renamer.torrent = torrent;
renamer.completionHandler = completionHandler;
[NSApp beginSheet: [renamer window] modalForWindow: window modalDelegate: self didEndSelector: @selector(sheetDidEnd:returnCode:contextInfo:) contextInfo: renamer];
}
+ (void) presentSheetForFileListNode: (FileListNode *) node modalForWindow: (NSWindow *) window completionHandler: (void (^)(BOOL didRename)) completionHandler
{
NSParameterAssert(node != nil);
NSParameterAssert(window != nil);
FileRenameSheetController * renamer = [[FileRenameSheetController alloc] initWithWindowNibName: @"FileRenameSheetController"];
renamer.torrent = [node torrent];
renamer.node = node;
renamer.completionHandler = completionHandler;
[NSApp beginSheet: [renamer window] modalForWindow: window modalDelegate: self didEndSelector: @selector(sheetDidEnd:returnCode:contextInfo:) contextInfo: renamer];
}
+ (void) sheetDidEnd: (NSWindow *) sheet returnCode: (NSInteger) returnCode contextInfo: (void *) contextInfo
{
FileRenameSheetController * renamer = contextInfo;
NSParameterAssert([renamer isKindOfClass:[FileRenameSheetController class]]);
renamer.completionHandler(returnCode == NSOKButton);
//TODO: retain/release logic needs to be figured out for ARC (when ARC is enabled)
[renamer release];
[sheet orderOut: self];
}
- (void) dealloc
{
[_torrent release];
[_node release];
[_completionHandler release];
[_originalName release];
[super dealloc];
}
- (void) windowDidLoad
{
[super windowDidLoad];
self.originalName = [self.node name] ?: [self.torrent name];
NSString * label = [NSString stringWithFormat: NSLocalizedString(@"Rename the file \"%@\":", "rename sheet label"), self.originalName];
[self.labelField setStringValue: label];
[self.inputField setStringValue: self.originalName];
[self.renameButton setEnabled: NO];
//resize the buttons so that they're long enough and the same width
const NSRect oldRenameFrame = [self.renameButton frame];
const NSRect oldCancelFrame = [self.cancelButton frame];
//get the extra width of the rename button from the English xib - the width from sizeToFit is too squished
[self.renameButton sizeToFit];
const CGFloat extra = NSWidth(oldRenameFrame) - NSWidth([self.renameButton frame]);
[self.renameButton setTitle: NSLocalizedString(@"Rename", "rename sheet button")];
[self.cancelButton setTitle: NSLocalizedString(@"Cancel", "rename sheet button")];
[self.renameButton sizeToFit];
[self.cancelButton sizeToFit];
NSRect newRenameFrame = [self.renameButton frame];
NSRect newCancelFrame = [self.cancelButton frame];
newRenameFrame.size.width = MAX(NSWidth(newRenameFrame), NSWidth(newCancelFrame)) + extra;
newCancelFrame.size.width = MAX(NSWidth(newRenameFrame), NSWidth(newCancelFrame)) + extra;
const CGFloat renameWidthIncrease = NSWidth(newRenameFrame) - NSWidth(oldRenameFrame);
newRenameFrame.origin.x -= renameWidthIncrease;
[self.renameButton setFrame:newRenameFrame];
const CGFloat cancelWidthIncrease = NSWidth(newCancelFrame) - NSWidth(oldCancelFrame);
newCancelFrame.origin.x -= renameWidthIncrease + cancelWidthIncrease;
[self.cancelButton setFrame:newCancelFrame];
}
- (IBAction) rename: (id) sender;
{
void (^completionHandler)(BOOL) = ^(BOOL didRename) {
if (didRename)
[NSApp endSheet: [self window] returnCode: NSOKButton];
else
{
#warning more thorough error
NSBeep();
}
};
if (self.node)
[self.torrent renameFileNode: self.node withName: [self.inputField stringValue] completionHandler: completionHandler];
else
[self.torrent renameTorrent: [self.inputField stringValue] completionHandler: completionHandler];
}
- (IBAction) cancelRename: (id) sender
{
[NSApp endSheet: [self window] returnCode: NSCancelButton];
}
- (void) controlTextDidChange: (NSNotification *) notification
{
[self.renameButton setEnabled: ![[self.inputField stringValue] isEqualToString: @""] && ![[self.inputField stringValue] isEqualToString: self.originalName]];
}
@end