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/*
* PGOpenPanelApplicationFilter.m
* graphviz
*
* Created by Glen Low on Fri Jul 09 2004.
* Copyright (c) 2004, Pixelglow Software. All rights reserved.
* http://www.pixelglow.com/graphviz/
* graphviz@pixelglow.com
*
* Redistribution and use in source and binary forms, with or without modification, are permitted
* provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright notice, this list of conditions
* and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice, this list of conditions
* and the following disclaimer in the documentation and/or other materials provided with the distribution.
* * Neither the name of Pixelglow Software nor the names of its contributors may be used to endorse or
* promote products derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#import "PGOpenPanelApplicationFilter.h"
@implementation PGOpenPanelApplicationFilter
- (id) initWithSource: (NSString*) source roles: (LSRolesMask) roles
{
if ((self = [super init]))
{
FSPathMakeRef ([source UTF8String], &source_, NULL);
roles_ = roles;
}
return self;
}
- (BOOL) panel: (id) sender shouldShowFilename: (NSString*) filename
{
FSRef target;
LSItemInfoRecord targetInfo;
if (FSPathMakeRef ([filename UTF8String], &target, NULL) == noErr
&& LSCopyItemInfoForRef (&target, kLSRequestBasicFlagsOnly, &targetInfo) == noErr)
{
if (targetInfo.flags & kLSItemInfoIsApplication)
// an application that accepts our item, OK
{
Boolean accepts;
if (LSCanRefAcceptItem (&source_, &target, roles_, kLSAcceptDefault, &accepts) == noErr)
return accepts;
}
else if ((targetInfo.flags & kLSItemInfoIsContainer) && !(targetInfo.flags & kLSItemInfoIsPackage))
// a directory that is not a package, OK
return YES;
}
// anything else, not OK
return NO;
}
@end
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