transmission/macosx/URLSheetWindowController.mm

/******************************************************************************
 * Copyright (c) 2011-2012 Transmission authors and contributors
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 *****************************************************************************/

#import "URLSheetWindowController.h"
#import "Controller.h"

@interface URLSheetWindowController (Private)

- (void)updateOpenButtonForURL:(NSString*)string;

@end

@implementation URLSheetWindowController

NSString* urlString = nil;

- (instancetype)initWithController:(Controller*)controller
{
    if ((self = [self initWithWindowNibName:@"URLSheetWindow"]))
    {
        fController = controller;
    }
    return self;
}

- (void)awakeFromNib
{
    fLabelField.stringValue = NSLocalizedString(@"Internet address of torrent file:", "URL sheet label");

    if (urlString)
    {
        fTextField.stringValue = urlString;
        [fTextField selectText:self];

        [self updateOpenButtonForURL:urlString];
    }

    fOpenButton.title = NSLocalizedString(@"Open", "URL sheet button");
    fCancelButton.title = NSLocalizedString(@"Cancel", "URL sheet button");

    [fOpenButton sizeToFit];
    [fCancelButton sizeToFit];

    //size the two buttons the same
    NSRect openFrame = fOpenButton.frame;
    openFrame.size.width += 10.0;
    NSRect cancelFrame = fCancelButton.frame;
    cancelFrame.size.width += 10.0;

    if (NSWidth(openFrame) > NSWidth(cancelFrame))
    {
        cancelFrame.size.width = NSWidth(openFrame);
    }
    else
    {
        openFrame.size.width = NSWidth(cancelFrame);
    }

    openFrame.origin.x = NSWidth(self.window.frame) - NSWidth(openFrame) - 20.0 + 6.0; //I don't know why the extra 6.0 is needed
    fOpenButton.frame = openFrame;

    cancelFrame.origin.x = NSMinX(openFrame) - NSWidth(cancelFrame);
    fCancelButton.frame = cancelFrame;
}

- (void)openURLEndSheet:(id)sender
{
    [self.window orderOut:sender];
    [NSApp endSheet:self.window returnCode:1];
}

- (void)openURLCancelEndSheet:(id)sender
{
    [self.window orderOut:sender];
    [NSApp endSheet:self.window returnCode:0];
}

- (NSString*)urlString
{
    return fTextField.stringValue;
}

- (void)controlTextDidChange:(NSNotification*)notification
{
    [self updateOpenButtonForURL:fTextField.stringValue];
}

@end

@implementation URLSheetWindowController (Private)

- (void)updateOpenButtonForURL:(NSString*)string
{
    BOOL enable = YES;
    if ([string isEqualToString:@""])
    {
        enable = NO;
    }
    else
    {
        NSRange prefixRange = [string rangeOfString:@"://"];
        if (prefixRange.location != NSNotFound && string.length == NSMaxRange(prefixRange))
        {
            enable = NO;
        }
    }

    fOpenButton.enabled = enable;
}

@end