MYUtilities: MYURLFormatter.m@256370e8935a

     1 //

     2 //  URLFormatter.m

     3 //  Murky

     4 //

     5 //  Copyright 2008 Jens Alfke. All rights reserved.

     6 //

     8 #import "MYURLFormatter.h"

    11 @implementation MYURLFormatter

    13 @synthesize allowedSchemes=_allowedSchemes;

    16 - (id) init

    17 {

    18     self = [super init];

    19     if (self != nil) {

    20         _allowedSchemes = [[NSArray alloc] initWithObjects: @"http",@"https",@"file",@"ssh",nil];

    21     }

    22     return self;

    23 }

    25 - (void) dealloc

    26 {

    27     [_allowedSchemes release];

    28     [super dealloc];

    29 }

    32 - (NSString *)stringForObjectValue:(id)obj

    33 {

    34     if( ! [obj isKindOfClass: [NSURL class]] )

    35         return @"";

    36     else if( [obj isFileURL] )

    37         return [obj path];

    38     else

    39         return [obj absoluteString];

    40 }

    43 - (BOOL)getObjectValue:(id *)obj forString:(NSString *)str errorDescription:(NSString **)outError

    44 {

    45     *obj = nil;

    46     NSString *error = nil;

    47     if( str.length==0 ) {

    48     } else if( [str hasPrefix: @"/"] ) {

    49         *obj = [NSURL fileURLWithPath: str];

    50         if( ! *obj )

    51             error = @"Invalid filesystem path";

    52     } else {

    53         NSURL *url = [NSURL URLWithString: str];

    54         NSString *scheme = [url scheme];

    55         if( url && scheme == nil ) {

    56             if( [str rangeOfString: @"."].length > 0 ) {

    57                 // Turn "foo.com/bar" into "http://foo.com/bar":

    58                 str = [@"http://" stringByAppendingString: str];

    59                 url = [NSURL URLWithString: str];

    60                 scheme = [url scheme];

    61             } else

    62                 url = nil;

    63         }

    64         if( ! url || ! [url path] || url.host.length==0 ) {

    65             error = @"Invalid URL";

    66         } else if( _allowedSchemes && ! [_allowedSchemes containsObject: scheme] ) {

    67             error = [@"URL protocol must be %@" stringByAppendingString:

    68                                     [_allowedSchemes componentsJoinedByString: @", "]];

    69         }

    70         *obj = url;

    71     }

    72     if( outError ) *outError = error;

    73     return (error==nil);

    74 }

    77 + (void) beginFilePickerFor: (NSTextField*)field

    78 {

    79     NSParameterAssert(field);

    80     NSOpenPanel *open = [NSOpenPanel openPanel];

    81     open.canChooseDirectories = YES;

    82     open.canChooseFiles = NO;

    83     open.requiredFileType = (id)kUTTypeDirectory;

    84     [open beginSheetForDirectory: nil

    85                             file: nil

    86                   modalForWindow: field.window

    87                    modalDelegate: self

    88                   didEndSelector: @selector(_filePickerDidEnd:returnCode:context:)

    89                      contextInfo: field];

    90 }

    92 + (void) beginNewFilePickerFor: (NSTextField*)field

    93 {

    94     NSParameterAssert(field);

    95     NSSavePanel *save = [NSSavePanel savePanel];

    96     [save beginSheetForDirectory: nil

    97                             file: nil

    98                   modalForWindow: field.window

    99                    modalDelegate: self

   100                   didEndSelector: @selector(_filePickerDidEnd:returnCode:context:)

   101                      contextInfo: field];

   102 }

   104 + (void) _filePickerDidEnd: (NSSavePanel*)save returnCode: (int)returnCode context: (void*)context

   105 {

   106     [save orderOut: self];

   107     if( returnCode == NSOKButton ) {

   108         NSTextField *field = context;

   109         field.objectValue = [NSURL fileURLWithPath: save.filename];

   110     }

   111 }

   114 @end

author	Jens Alfke <jens@mooseyard.com>
	Sun May 03 10:13:31 2009 -0700 (2009-05-03)
changeset 27	256370e8935a
permissions	-rw-r--r--