QuickTime Kit Programming Guide - filibeto.org

C H A P T E R 3
Extending the QTKitPlayer Application
[movieDocument showWindows];
}
}
else
{// we must create a new document.
// we always create a movie document regardless of type
// init
movieDocument = [[[MovieDocument allocWithZone:[self zone]]
initWithContentsOfFile:fileName ofType:@"mov"] autorelease];
}
// set up the document
if (movieDocument)
{
// add the document
[sharedDocController addDocument:movieDocument];
// set up the document
if ([sharedDocController shouldCreateUI])
{
[movieDocument makeWindowControllers];
if (displayFlag)
{
[movieDocument showWindows];
}
}
}
}
return movieDocument;
15. Add the following code to locate the file to be opened:
- (BOOL)panel:(id)sender shouldShowFilename:(NSString *)filename
{
BOOL isDir = NO;
}
[[NSFileManager defaultManager] fileExistsAtPath:filename isDirectory:&isDir];
if (isDir)
{
return YES;
}
else
{
return [QTMovie canInitWithFile:filename];
}
16. Add this code to filter files through an Open dialog and display them:
- (void)openDocument:(id)sender {
NSOpenPanel *openPanel = [NSOpenPanel openPanel];
[openPanel setDelegate:self];
[openPanel setAllowsMultipleSelection:NO];
// files are filtered through the panel:shouldShowFilename: method above
Adding Code to MovieDocument.m 53
2005-11-09 | © 2004, 2005 Apple Computer, Inc. All Rights Reserved.