/*

 File:PluginController.m

 Abstract: Demonstrate how to create a edit plugin for use in Aperture

 Version: 1.0

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 MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION

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 */

#import "PluginController.h"

#import "BordersTitlesView.h"

@implementation PluginController

//---------------------------------------------------------

// initWithAPIManager:

//

// This method is called when a plug-in is first loaded, and

// is a good point to conduct any checks for anti-piracy or

// system compatibility. This is also your only chance to

// obtain a reference to Aperture's export manager. If you

// do not obtain a valid reference, you should return nil.

// Returning nil means that a plug-in chooses not to be accessible.

//---------------------------------------------------------

- (id)initWithAPIManager:(id<PROAPIAccessing>)apiManager

{

    if (self = [super init])

    {

        _apiManager = apiManager;

        _editManager = [[_apiManager apiForProtocol:@protocol(ApertureEditManager)] retain];

        if (_editManager == nil)

        {

            [self release];

            return nil;

        }

        // Finish your initialization here

    }

    return self;

}

- (void)dealloc

{

    //  Release the top-level objects from the nib.

    [_topLevelNibObjects makeObjectsPerformSelector:@selector(release)];

    [_topLevelNibObjects release];

    [_editManager release];

    [_versionID release];

    [_thumbnail release];

    [super dealloc];

}

- (void)awakeFromNib

{

    //  Allow the color panel to have transparency

    [NSColor setIgnoresAlpha:NO];

    [_imageView setImage:_thumbnail];   

    [_imageView setFullImageSize:_fullImageSize];

    [_borderWidthSlider setMaxValue:(_fullImageSize.width / 8.0)];

    [_bordeCcolorWell setColor:[_imageView borderColor]];

    [_borderWidthSlider setFloatValue:[_imageView borderWidth]];

}

#pragma mark -

#pragma mark ApertureEditPlugIn Methods

- (NSWindow *)editWindow

{

    if (_editWindow == nil)

    {

        NSBundle *myBundle = [NSBundle bundleForClass:[self class]];

        NSNib *myNib = [[NSNib alloc] initWithNibNamed:@"PluginUI" bundle:myBundle];

        //  Load the nib, if this fails _editWindow will still be nil and Aperture can react appropriately

        if ([myNib instantiateNibWithOwner:self topLevelObjects:&_topLevelNibObjects])

        {

            [_topLevelNibObjects retain];

        }

        [myNib release];

    }

    return _editWindow;

}

- (void)beginEditSession

{

    //  Get the ID for the selected version

    _versionID = [[[_editManager selectedVersionIds] objectAtIndex:0] retain];

    //  Get the thumbnail from Aperture

    _thumbnail = [[_editManager thumbnailForVersion:_versionID size:kExportThumbnailSizeThumbnail] retain];

    //  We need the size of the full image so that we can properly scale to fit the thumbnail

    NSDictionary *properties = [_editManager propertiesWithoutThumbnailForVersion:_versionID];

    _fullImageSize = [[properties objectForKey:kExportKeyImageSize] sizeValue];

}

//  Our plugin doesn't need to import so these import methods are left empty

- (void)editManager:(id<ApertureEditManager>)editManager didImportImageAtPath:(NSString *)path versionUniqueID:(NSString *)versionUniqueID

{

}

- (void)editManager:(id<ApertureEditManager>)editManager didNotImportImageAtPath:(NSString *)path error:(NSError *)error

{

}

#pragma mark -

#pragma mark Private Methods

- (void)_renderImageAtPath:(NSString*)imagePath

{

    NSImage *image = [[NSImage alloc] initWithContentsOfFile:imagePath];

    //  For our drawing purposes the size of the image needs to be in pixels, not points

    [image setSize:_fullImageSize];

    //  Draw the border and titles on top of the image

    [image lockFocus];

    [_imageView compositeBordersAndTitlesInRect:(NSRect){NSZeroPoint, _fullImageSize}];

    [image unlockFocus];

    //  Write the image to disk

    [[image TIFFRepresentation] writeToFile:imagePath atomically:YES];

    [image release];

}

#pragma mark -

#pragma mark Text Delegate

- (void)textDidChange:(NSNotification *)notification

{

    [self updateTitles:self];

}

#pragma mark -

#pragma mark Action Methods

- (IBAction)updateBorderColor:(id)sender

{

    [_imageView setBorderColor:[sender color]];

}

- (IBAction)updateBorderWidth:(id)sender

{

    [_imageView setBorderWidth:[sender floatValue]];

}

- (IBAction)updateTitles:(id)sender

{

    [_imageView setNeedsDisplay:YES];

}

- (void)add:(id)sender

{

    //  Create a new dictionary with the default properties of a title

    NSAttributedString *newString = [[NSAttributedString alloc] initWithString:@"Hello" attributes:[NSDictionary dictionaryWithObjectsAndKeys:[NSFont fontWithName:@"Helvetica" size:48], NSFontAttributeName, [NSColor whiteColor], NSForegroundColorAttributeName, nil]];

    NSMutableDictionary *newDict = [NSMutableDictionary dictionaryWithObjectsAndKeys:newString, @"attributedString", [NSNumber numberWithFloat:1.0], @"scale", [NSValue valueWithPoint:NSMakePoint(0.5, 0.5)], @"position", nil];

    [_stringsController addObject:newDict];

    [_imageView setNeedsDisplay:YES];

    [newString release];

}

- (void)remove:(id)sender

{

    [_stringsController remove:sender];

    [_imageView setNeedsDisplay:YES];

}

- (IBAction)showFontPanel:(id)sender

{

    NSFontPanel *fontPanel = [NSFontPanel sharedFontPanel];

    [[_textView window] makeFirstResponder:_textView];

    [_textView selectAll:self];

    [fontPanel setPanelFont:[_textView font] isMultiple:NO];

    [fontPanel orderFront:self];

}

- (IBAction)cancel:(id)sender

{

    [_editManager endEditSession];

}

- (IBAction)done:(id)sender

{

    //  Get an editable version

    [_editManager editableVersionsOfVersions:[NSArray arrayWithObject:_versionID] requestedFormat:kApertureImageFormatTIFF8 stackWithOriginal:YES];

    //  Get the path to the editable version

    NSString *editableVersionId = [[_editManager editableVersionIds] objectAtIndex:0];

    NSString *imagePath = [_editManager pathOfEditableFileForVersion:editableVersionId];

    //  Render our changes into the editable version

    [self _renderImageAtPath:imagePath];

    //  Add the list of titles the user added as custom metadata

    NSArray *titles = [[_stringsController content] valueForKeyPath:@"attributedString.string"];

    if ([titles count] > 0)

    {

        NSDictionary *metadata = [NSDictionary dictionaryWithObject:[titles componentsJoinedByString:@", "] forKey:@"Title from Borders and Titles"];

        [_editManager addCustomMetadata:metadata toVersions:[_editManager editableVersionIds]];

    }

    //  Tag the image with a custom keyword

    [_editManager addHierarchicalKeywords:[NSArray arrayWithObject:[NSArray arrayWithObject:@"Edited with Borders and Titles"]] toVersions:[_editManager editableVersionIds]];

    //  And we're done

    [_editManager endEditSession];  

}

@end