/*

File: RenderParametersView.m

Abstract: Implements the RenderParametersView class.

Version: 1.0

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*/

#import "RenderParametersView.h"

#import "CompositionParametersView.h"

#define kHMargin                10

#define kVMargin                10

#define kHExtra                 20

#define kVExtra                 20

@implementation RenderParametersView

- (BOOL) isFlipped

{

    return YES;

}

- (id) initWithFrame:(NSRect)frameRect

{

    //Allocate the QCRenderer list

    if(self = [super initWithFrame:frameRect])

    _renderers = [NSMutableArray new];

    return self;

}

- (void) dealloc

{

    //Destroy QCRenderer list

    [_renderers release];

    [super dealloc];

}

- (void) _arrangeSubviews

{

    NSArray*                        subviews = [self subviews];

    NSView*                         view;

    unsigned                        i;

    NSSize                          size;

    //Set subviews origins and compute total size 

    _bestSize = NSZeroSize;

    for(i = 0; i < [subviews count]; ++i) {

        view = [subviews objectAtIndex:i];

        size = [view frame].size;

        if(size.width > _bestSize.width)

        _bestSize.width = size.width;

        [view setFrameOrigin:NSMakePoint(kHMargin, kVMargin + _bestSize.height)];

        _bestSize.height += size.height;

    }

    //Match subviews widths

    for(i = 0; i < [subviews count]; ++i) {

        view = [subviews objectAtIndex:i];

        [view setFrameSize:NSMakeSize(_bestSize.width, [view frame].size.height)];

    }

    //Add horizontal and vertical margins to total size

    if(_bestSize.width > 0)

    _bestSize.width += 2 * kHMargin;

    if(_bestSize.height > 0)

    _bestSize.height += 2 * kVMargin;

}

- (NSSize) bestSize

{

    return _bestSize;

}

- (void) addRenderer:(QCRenderer*)renderer title:(NSString*)title

{

    CompositionParametersView*      view;

    NSBox*                          box;

    NSSize                          size;

    //Make sure the QCRenderer is valid and not already in the list

    if(!renderer || ![title length] || [_renderers containsObject:renderer])

    return;

    //Create CompositionParametersView for QCRenderer, wrap it in an NSBox and add it as a subview

    view = [[CompositionParametersView alloc] initWithRenderer:renderer];

    [view setAutoresizingMask:NSViewWidthSizable];

    size = [view minimumSize];

    box = [[NSBox alloc] initWithFrame:NSMakeRect(0, 0, size.width + kHExtra, size.height + kVExtra)];

    [box setTitle:title];

    //[box setAutoresizingMask:NSViewWidthSizable];

    [box setContentView:view];

    [self addSubview:box];

    [box release];

    [view release];

    //Update QCRenderer list

    [_renderers addObject:renderer];

    //Rearrage all subviews

    [self _arrangeSubviews];

}

- (void) removeRenderer:(QCRenderer*)renderer

{

    unsigned                        index = [_renderers indexOfObject:renderer];

    //Make sure QCRenderer is in the list

    if(index == NSNotFound)

    return;

    //Remove related subview

    [(NSView*)[[self subviews] objectAtIndex:index] removeFromSuperview];

    //Update QCRenderer list

    [_renderers removeObjectAtIndex:index];

    //Rearrage all subviews

    [self _arrangeSubviews];

}

- (void) removeAllRenderers

{

    //Remove renderers from list and remove their related subviews

    while([_renderers count]) {

        [(NSView*)[[self subviews] objectAtIndex:0] removeFromSuperview];

        [_renderers removeObjectAtIndex:0];

    }

    //Rearrange all subviews

    [self _arrangeSubviews];

}

- (NSArray*) renderers

{

    return _renderers; //FIXME: Return a copy instead?

}

- (NSDictionary*) parameters:(BOOL)plistCompatible

{

    NSMutableDictionary*            dictionary = [NSMutableDictionary new];

    NSArray*                        subviews = [self subviews];

    NSDictionary*                   subDictionary;

    unsigned                        i;

    NSBox*                          box;

    //Iterate through QCRenderers

    for(i = 0; i < [subviews count]; ++i) {

        //Retrieve QCRenderer input parameters from its CompositionParametersView

        box = [subviews objectAtIndex:i];

        subDictionary = [(CompositionParametersView*)[box contentView] parameters:plistCompatible];

        //Add parameters to dictionary

        if([subDictionary count])

        [dictionary setObject:subDictionary forKey:[box title]];

    }

    return [dictionary autorelease];

}

- (void) setParameters:(NSDictionary*)parameters

{

    NSArray*                        subviews = [self subviews];

    NSDictionary*                   dictionary;

    unsigned                        i;

    NSBox*                          box;

    //Iterate through QCRenderers

    for(i = 0; i < [subviews count]; ++i) {

        //Retrieve parameters from dictionary

        box = [subviews objectAtIndex:i];

        dictionary = [parameters objectForKey:[box title]];

        //Set QCRenderer input parameters through its CompositionParametersView

        if([dictionary count])

        [(RenderParametersView*)[box contentView] setParameters:dictionary];

    }

}

@end