/*

     File: EffectStackController.h

 Abstract: This class controls the automatically resizeable effect stack inspector. It must also be able to resize and reconfigure itself when switching documents.

  Version: 2.1

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#import <AppKit/AppKit.h>

@class CoreImageView;

@class EffectStack;

@class FilterView;

@class CIFilter;

@interface EffectStackController : NSWindowController

{

    IBOutlet NSButton *topPlusButton;           // the plus button at the top of the effect stack inspector (outside of any layer box)

    IBOutlet NSButton *resetButton;             // the reset button at the top of the effect stack inspector (outside of any layer box)

    IBOutlet NSButton *playButton;              // the play button at the top of the effect stack inspector (outside of any layer box)

    CoreImageView *_inspectingCoreImageView;    // pointer to the core image view that is currently associated with the effect stack inspector

    EffectStack *_inspectingEffectStack;        // pointer to the effect stack that is currently associated with the effect stack inspector

    BOOL needsUpdate;                           // set this to re-layout the effect stack inspector on update

    NSMutableArray *boxes;                      // an array of FilterView (subclass of NSBox) that make up the effect stack inspector's UI

    // filter palette stuff

    IBOutlet NSWindow *filterPalette;           // the filter palette (called image units)

    IBOutlet NSButton *filterOKButton;          // the apply button, actually

    IBOutlet NSButton *filterCancelButton;      // the cancel button

    IBOutlet NSTableView *categoryTableView;    // the category table view

    IBOutlet NSTableView *filterTableView;      // the filter list table view

    IBOutlet NSButton *filterTextButton;        // the text button

    NSMutableArray *filterPaletteTopLevelObjects;     // an array of the top level objects in the filter palette nib

    NSInteger currentCategory;                        // the currently selected row in the category table view

    NSInteger currentFilterRow;                       // the currently selected row in the filter table view

    NSMutableDictionary *categories;            // a dictionary containing all filter category names and the filters that populate the category

    NSString *filterClassname;                  // returned filter's classname from the modal filter palette (when a filter has been selected)

    NSTimer *timer;                             /// playing all transitions

    // globals used in the sequential animation of all transitions

    double transitionStartTime;

    double transitionDuration;

    double transitionEndTime;

}

+ (id)sharedEffectStackController;

- (void)setAutomaticDefaults:(CIFilter *)f atIndex:(NSInteger)index;

- (IBAction)topPlusButtonAction:(id)sender;

- (IBAction)plusButtonAction:(id)sender;

- (IBAction)minusButtonAction:(id)sender;

- (IBAction)resetButtonAction:(id)sender;

- (void)playButtonAction:sender;

- (void)layoutInspector;

- (FilterView *)newUIForFilter:(CIFilter *)f index:(NSInteger)index;

- (FilterView *)newUIForImage:(CIImage *)im filename:(NSString *)filename index:(NSInteger)index;

- (FilterView *)newUIForText:(NSString *)string index:(NSInteger)index;

- (void)_loadFilterListIntoInspector;

- (IBAction)filterOKButtonAction:(id)sender;

- (IBAction)filterCancelButtonAction:(id)sender;

- (IBAction)filterImageButtonAction:(id)sender;

- (IBAction)filterTextButtonAction:(id)sender;

- (IBAction)tableViewDoubleClick:(id)sender;

- (void)setNeedsUpdate:(BOOL)b;

- (void)updateLayout;

- (BOOL)effectStackFilterHasMissingImage:(CIFilter *)f;

- (void)closeDown;

- (void)setLayer:(NSInteger)index image:(CIImage *)im andFilename:(NSString *)filename;

- (void)setChanges;

- (void)setCoreImageView:(CoreImageView *)v;

- (void)removeFilterImageOrTextAtIndex:(NSNumber *)index;

- (void)reconfigureWindow; // called when dragging into or choosing base image to reconfigure the document's window

// for retaining full file names of images

- (void)registerImageLayer:(NSInteger)index imageFilePath:(NSString *)path;

- (void)registerFilterLayer:(CIFilter *)filter key:(NSString *)key imageFilePath:(NSString *)path;

- (NSString *)imageFilePathForImageLayer:(NSInteger)index;

- (NSString *)imageFilePathForFilterLayer:(CIFilter *)filter key:(NSString *)key;

@end

@interface EffectStackBox : NSBox

{

    CIFilter *filter;

    EffectStackController *master;

}

- (void)drawRect:(NSRect)r;

- (void)setFilter:(CIFilter *)f;

- (void)setMaster:(EffectStackController *)m;

@end