/*

    File: MyViewController.m

Abstract: MyViewController is the view controller responsible for managing the views that make up the user interface.

 Version: 1.6

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*/

#import "MyViewController.h"

#import "EAGLView.h"

#import "ControlView.h"

@implementation MyViewController

- (void)changeCompression:(id)sender

{

    [(EAGLView *)self.view setCompressionSetting:(int)[sender selectedSegmentIndex]];

}

- (void)changeMipmap:(id)sender

{

    [(EAGLView *)self.view setMipmapFilterSetting:(int)[sender selectedSegmentIndex]];

}

- (void)changeFilter:(id)sender

{

    [(EAGLView *)self.view setFilterSetting:(int)[sender selectedSegmentIndex]];

}

- (void)viewDidLoad

{

    _controlView = [[ControlView alloc] initWithFrame:CGRectMake(0.0f, self.view.frame.size.height-[ControlView barHeight], 

                                                                 self.view.frame.size.width, 150.0f)];

    // Add controls to control view

    CGRect controlFrame;

    int borderWidth = 5;

    float controlSpacing, currSpacing = [ControlView barHeight];

    SEL controlSelectors[] = { @selector(changeCompression:), @selector(changeMipmap:), @selector(changeFilter:) };

    int numControls = sizeof(controlSelectors)/sizeof(controlSelectors[0]);

    UISegmentedControl *controls[numControls];

    int numDivs = 2 + numControls - 1;

    NSArray *compressionControlText = [NSArray arrayWithObjects:@"None", @"4BPP", @"2BPP", nil];

    if (![(EAGLView *)self.view compressionSupported])

        compressionControlText = [NSArray arrayWithObjects:@"None", nil];

    NSArray *mipmapFilterControlText = [NSArray arrayWithObjects:@"Off", @"Nearest", @"Linear", nil];

    NSArray *textureFilterControlText = [NSArray arrayWithObjects:@"Nearest", @"Linear", @"Super", nil];

    if (![(EAGLView *)self.view anisotropySupported])

        textureFilterControlText = [NSArray arrayWithObjects:@"Nearest", @"Linear", nil];

    NSArray *controlText = [NSArray arrayWithObjects:compressionControlText, mipmapFilterControlText, textureFilterControlText, nil];

    NSArray *labelText = [NSArray arrayWithObjects:@"Compression", @"Mipmap Filter", @"Texture Filter", nil];

    UILabel *label;

    for (int i=0; i < numControls; i++)

    {           

        controls[i] = [[[UISegmentedControl alloc] initWithItems:[controlText objectAtIndex:i]] autorelease];

        [controls[i] setSegmentedControlStyle:UISegmentedControlStyleBar];

        [controls[i] setSelectedSegmentIndex:0];

        controlFrame = controls[i].frame;

        if (i == 0)

            currSpacing += controlSpacing = floorf(([_controlView contentHeight] - (controlFrame.size.height * numControls))/numDivs);

        else

            currSpacing += controlSpacing + controls[i].frame.size.height;

        label = [[[UILabel alloc] initWithFrame:CGRectMake(borderWidth,

                                                           currSpacing,

                                                           _controlView.frame.size.width - (2 * borderWidth) - controls[i].frame.size.width,

                                                           controls[i].frame.size.height)] autorelease];

        label.text = [labelText objectAtIndex:i];

        label.textColor = [UIColor whiteColor];

        label.backgroundColor = [UIColor clearColor];

        [_controlView addSubview:label];

        controlFrame.origin.x = _controlView.frame.size.width - controlFrame.size.width - borderWidth;

        controlFrame.origin.y = currSpacing;

        [controls[i] setFrame:controlFrame];

        controls[i].tintColor = [UIColor colorWithRed:0.40f green:0.40f blue:0.40f alpha:0.65f];

        controls[i].tag = i;

        [controls[i] addTarget:self action:controlSelectors[i] forControlEvents:UIControlEventValueChanged];

        [_controlView addSubview:controls[i]];

    }

    [self.view addSubview:_controlView];

}

- (BOOL)shouldAutorotate

{

    return NO;

}

- (void)didReceiveMemoryWarning

{

    [super didReceiveMemoryWarning];

}

- (void)dealloc

{

    [_controlView release];

    [super dealloc];

}

@end