/*

        File: AppController.m

    Abstract: Controller class.

     Version: 1.1

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    without specific prior written permission from Apple.  Except as

    expressly stated in this notice, no other rights or licenses, express or

    implied, are granted by Apple herein, including but not limited to any

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    The Apple Software is provided by Apple on an "AS IS" basis.  APPLE

    MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION

    THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS

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    Copyright (C) 2009 Apple Inc. All Rights Reserved.

*/

#import "AppController.h"

@implementation AppController

- (IBAction) compositionChanged:(id) sender

{

    QCComposition*              currentComposition;

    /* Retrieve the composition using its name stored in the list, then load the composition in the QCView */

    currentComposition = [_mapNameToComposition objectForKey:[sender titleOfSelectedItem]];     

    [qcView loadComposition:currentComposition];

}

- (void) _setupRepositoryEntries

{

    NSInteger index;

    NSArray *selectedCompositions;

    QCComposition *composition;

    NSDictionary *compositionAttributes;

    NSString *compositionName;

    /* We just want to retrieve animation compositions */

    selectedCompositions = [[QCCompositionRepository sharedCompositionRepository] compositionsWithProtocols:[NSArray arrayWithObject:QCCompositionProtocolGraphicAnimation] andAttributes:nil];

    /* Setup composition pop-up menu */

    [compositionChoice removeAllItems];

    for (index = 0; index < [selectedCompositions count] ; index++) {

        composition = [selectedCompositions objectAtIndex:index];

        compositionAttributes = [composition attributes];

        compositionName = [compositionAttributes objectForKey:QCCompositionAttributeNameKey];

        [compositionChoice addItemWithTitle:compositionName];

        /* We map the composition name to the composition instance, thus we can retrieve the composition later */

        [_mapNameToComposition setObject:composition forKey:compositionName];           

    }

}

- (void) dealloc

{

    [_mapNameToComposition release];

    [super dealloc];

}

- (void) awakeFromNib

{

    /* Initialize user interface */

    _mapNameToComposition = [[NSMutableDictionary alloc] init];

    [self _setupRepositoryEntries];

    [self compositionChanged:compositionChoice];

    /* Start rendering the QCView */

    [qcView startRendering];

}

@end