//

//  FileHandling.m

//  RGB Image

//

//  Created by jcr on Fri Aug 16 2002.

//  Copyright (c) 2002  Apple Computer, Inc. All rights reserved.

//

#import "FileHandling.h"

@implementation RGBAppController (FileHandling) 

- (IBAction) openDocument: sender  //IB Action to invoke the standard Open File panel.

  {

  [[NSOpenPanel openPanel]  // Get the shared open panel

    beginSheetForDirectory:NSHomeDirectory() // Point it at the user's home

    file:nil

    modalForWindow:window  // This makes it show up as a sheet, attached to window

    modalDelegate:self  // Tell me when you're done.

    didEndSelector:@selector(openPanelDidEnd:returnCode:contextInfo:)  // Call this method when you're done..

    contextInfo:NULL];  

  }

    // This method gets called when the user hits the return button on the open panel.

- (void) openPanelDidEnd:(NSOpenPanel *)sheet returnCode:(int)returnCode contextInfo:(void  *)contextInfo

  {

  [originalImageView setImage:[[[NSImage alloc] initWithContentsOfFile:[sheet filename]]autorelease]];

  [self imageChanged:nil];

  }

 - (IBAction)saveCombinedImage:(id)sender  //IB action to invoke the Save panel.

  {

  [[NSSavePanel savePanel]

    beginSheetForDirectory:NSHomeDirectory()  // seems like a reasonable place to start..

    file:@"RGB Image"  // default filename

    modalForWindow:window   //Run as a sheet, attached to "window"

    modalDelegate:self  // The save panel should call me when it's done..

    didEndSelector:@selector(savePanelDidEnd:returnCode:contextInfo:) // ... using this selector

    contextInfo:NULL];

  }

- (void)savePanelDidEnd:(NSSavePanel *)sheet returnCode:(int)returnCode contextInfo:(void  *)contextInfo

  {

  if (returnCode == NSOKButton)  // The user hit "save", so...

    [[[combinedImageView image] TIFFRepresentation]  // Create the contents of a .tiff file

      writeToFile:[[sheet filename] stringByAppendingString: @".tiff"] // save it at the path we get from the panel.

      atomically:YES];  // That's about all there is to it..

  }

@end

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