move the "open torrent URL" sheet into its own xib file

macosx/URLSheetWindowController.m

@@ -0,0 +1,83 @@
+/******************************************************************************
+ * $Id$
+ *
+ * Copyright (c) 2011 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"
+
+@implementation URLSheetWindowController
+
+- (id) initWithController: (Controller *) controller
+{
+    if ((self = [self initWithWindowNibName: @"URLSheetWindow"]))
+    {
+        fController = controller;
+    }
+    return self;
+}
+
+- (void) awakeFromNib
+{
+    [fLabelField setStringValue: NSLocalizedString(@"Internet address of torrent file:", "URL sheet label")];
+}
+
+- (IBAction) beginSheetForWindow: (NSWindow *) window
+{
+    [NSApp beginSheet: [self window] modalForWindow: window modalDelegate: self
+        didEndSelector: @selector(sheetDidEnd:returnCode:contextInfo:) contextInfo: nil];
+}
+
+- (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];
+}
+
+- (void) sheetDidEnd: (NSWindow *) sheet returnCode: (NSInteger) returnCode contextInfo: (void *) contextInfo
+{
+    [fController urlSheetDidEnd: self url: [fTextField stringValue] returnCode: returnCode];
+}
+
+- (void) controlTextDidChange: (NSNotification *) notification
+{
+    NSString * string = [fTextField stringValue];
+    BOOL enable = YES;
+    if ([string isEqualToString: @""])
+        enable = NO;
+    else
+    {
+        NSRange prefixRange = [string rangeOfString: @"://"];
+        if (prefixRange.location != NSNotFound && [string length] == NSMaxRange(prefixRange))
+            enable = NO;
+    }
+    
+    [fOpenButton setEnabled: enable];
+}
+
+@end