jens@20: //
jens@20: //  URLFormatter.m
jens@20: //  Murky
jens@20: //
jens@20: //  Copyright 2008 Jens Alfke. All rights reserved.
jens@20: //
jens@20: 
jens@20: #import "MYURLFormatter.h"
jens@20: 
jens@20: 
jens@20: @implementation MYURLFormatter
jens@20: 
jens@20: @synthesize allowedSchemes=_allowedSchemes;
jens@20: 
jens@20: 
jens@20: - (id) init
jens@20: {
jens@20:     self = [super init];
jens@20:     if (self != nil) {
jens@20:         _allowedSchemes = [[NSArray alloc] initWithObjects: @"http",@"https",@"file",@"ssh",nil];
jens@20:     }
jens@20:     return self;
jens@20: }
jens@20: 
jens@20: - (void) dealloc
jens@20: {
jens@20:     [_allowedSchemes release];
jens@20:     [super dealloc];
jens@20: }
jens@20: 
jens@20: 
jens@20: - (NSString *)stringForObjectValue:(id)obj
jens@20: {
jens@20:     if( ! [obj isKindOfClass: [NSURL class]] )
jens@20:         return @"";
jens@20:     else if( [obj isFileURL] )
jens@20:         return [obj path];
jens@20:     else
jens@20:         return [obj absoluteString];
jens@20: }
jens@20: 
jens@20: 
jens@20: - (BOOL)getObjectValue:(id *)obj forString:(NSString *)str errorDescription:(NSString **)outError
jens@20: {
jens@20:     *obj = nil;
jens@20:     NSString *error = nil;
jens@20:     if( str.length==0 ) {
jens@20:     } else if( [str hasPrefix: @"/"] ) {
jens@20:         *obj = [NSURL fileURLWithPath: str];
jens@20:         if( ! *obj )
jens@20:             error = @"Invalid filesystem path";
jens@20:     } else {
jens@20:         NSURL *url = [NSURL URLWithString: str];
jens@20:         NSString *scheme = [url scheme];
jens@20:         if( url && scheme == nil ) {
jens@20:             if( [str rangeOfString: @"."].length > 0 ) {
jens@20:                 // Turn "foo.com/bar" into "http://foo.com/bar":
jens@20:                 str = [@"http://" stringByAppendingString: str];
jens@20:                 url = [NSURL URLWithString: str];
jens@20:                 scheme = [url scheme];
jens@20:             } else
jens@20:                 url = nil;
jens@20:         }
jens@20:         if( ! url || ! [url path] || url.host.length==0 ) {
jens@20:             error = @"Invalid URL";
jens@20:         } else if( _allowedSchemes && ! [_allowedSchemes containsObject: scheme] ) {
jens@20:             error = [@"URL protocol must be %@" stringByAppendingString:
jens@20:                                     [_allowedSchemes componentsJoinedByString: @", "]];
jens@20:         }
jens@20:         *obj = url;
jens@20:     }
jens@20:     if( outError ) *outError = error;
jens@20:     return (error==nil);
jens@20: }
jens@20: 
jens@20: 
jens@20: + (void) beginFilePickerFor: (NSTextField*)field
jens@20: {
jens@20:     NSParameterAssert(field);
jens@20:     NSOpenPanel *open = [NSOpenPanel openPanel];
jens@20:     open.canChooseDirectories = YES;
jens@20:     open.canChooseFiles = NO;
jens@20:     open.requiredFileType = (id)kUTTypeDirectory;
jens@20:     [open beginSheetForDirectory: nil
jens@20:                             file: nil
jens@20:                   modalForWindow: field.window
jens@20:                    modalDelegate: self
jens@20:                   didEndSelector: @selector(_filePickerDidEnd:returnCode:context:)
jens@20:                      contextInfo: field];
jens@20: }
jens@20: 
jens@20: + (void) beginNewFilePickerFor: (NSTextField*)field
jens@20: {
jens@20:     NSParameterAssert(field);
jens@20:     NSSavePanel *save = [NSSavePanel savePanel];
jens@20:     [save beginSheetForDirectory: nil
jens@20:                             file: nil
jens@20:                   modalForWindow: field.window
jens@20:                    modalDelegate: self
jens@20:                   didEndSelector: @selector(_filePickerDidEnd:returnCode:context:)
jens@20:                      contextInfo: field];
jens@20: }
jens@20: 
jens@20: + (void) _filePickerDidEnd: (NSSavePanel*)save returnCode: (int)returnCode context: (void*)context
jens@20: {
jens@20:     [save orderOut: self];
jens@20:     if( returnCode == NSOKButton ) {
jens@20:         NSTextField *field = context;
jens@20:         field.objectValue = [NSURL fileURLWithPath: save.filename];
jens@20:     }
jens@20: }
jens@20: 
jens@20: 
jens@20: @end