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

//

//  File: OpenGLPlasmaExhibitsUIController.m

//

//  Abstract: Controller class

//

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//

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

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

#import "NSImageLoader.h"

#import "OpenGLImageView.h"

#import "OpenGLPlasmaExhibitsUIController.h"

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

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

#pragma mark -

#pragma mark Enumerated Types

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

enum LightPosition

{

    kLightPosX = 0,

    kLightPosY,

    kLightPosZ

};

typedef enum LightPosition LightPosition;

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

enum RecorderPanelButtonImageStates

{

    kImageRecordingButtonOff = 0,

    kImageRecordingButtonOn,

    kImagePauseButtonOff,

    kImagePauseButtonOn,

    kImageStopButtonOff,

    kImageStopButtonOn,

    kImageColorCorrectionButtonOff,

    kImageColorCorrectionButtonOn

};

typedef enum RecorderPanelButtonImageStates RecorderPanelButton;

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

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

#pragma mark -

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

@implementation OpenGLPlasmaExhibitsUIController

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

#pragma mark -

#pragma mark Application Startup

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

- (void) initLightXPositionControl

{

    NSNumber *lightPosNum    = [plasmaExhibitsView preferenceGetObjectForKey:@"Light X Position"];

    float     lightPosFValue = [lightPosNum floatValue];

    int       lightPosIValue = (int)lightPosFValue;

    [lightPosXTextField setIntValue:lightPosIValue];

    [lightPosXSlider    setFloatValue:lightPosFValue];

} // initLightXPositionControl

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

- (void) initLightYPositionControl

{

    NSNumber *lightPosNum    = [plasmaExhibitsView preferenceGetObjectForKey:@"Light Y Position"];

    float     lightPosFValue = [lightPosNum floatValue];

    int       lightPosIValue = (int)lightPosFValue;

    [lightPosYTextField setIntValue:lightPosIValue];

    [lightPosYSlider    setFloatValue:lightPosFValue];

} // initLightYPositionControl

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

- (void) initLightZYPositionControl

{

    NSNumber *lightPosNum    = [plasmaExhibitsView preferenceGetObjectForKey:@"Light Z Position"];

    float     lightPosFValue = [lightPosNum floatValue];

    int       lightPosIValue = (int)lightPosFValue;

    [lightPosZTextField setIntValue:lightPosIValue];

    [lightPosZSlider    setFloatValue:lightPosFValue];

} // initLightZYPositionControl

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

- (void) initLightPositions

{

    [self initLightXPositionControl];

    [self initLightYPositionControl];

    [self initLightZYPositionControl];

} // initLightPositions

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

- (void) initExhibitType

{

    NSNumber   *exhibitTypeNum   = [plasmaExhibitsView preferenceGetObjectForKey:@"Exhibit Type"];

    NSUInteger  exhibitTypeValue = [exhibitTypeNum unsignedIntValue] - 1;

    [exhibitButton selectItemAtIndex:exhibitTypeValue];

} // initExhibitType

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

- (void) awakeFromNib

{

    [self initLightPositions];

    [self initExhibitType];

} // awakeFromNib

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

#pragma mark -

#pragma mark Printing

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

- (void) pageLayoutDidEnd:(NSPageLayout *)pageLayout

               returnCode:(int)returnCode

              contextInfo:(id)printInfo

{

    if( returnCode == NSOKButton )

    {

        [NSPrintInfo setSharedPrintInfo:printInfo];

    } // if

} // pageLayoutDidEnd

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

- (IBAction) runPageLayout:(id)sender

{

    NSPageLayout  *pageLayout = [NSPageLayout pageLayout];

    NSPrintInfo   *printInfo  = [NSPrintInfo sharedPrintInfo];

    [pageLayout beginSheetWithPrintInfo:printInfo

                         modalForWindow:[plasmaExhibitsView window]

                               delegate:self

                         didEndSelector:@selector(pageLayoutDidEnd:returnCode:contextInfo:)

                            contextInfo:printInfo];

} // runPageLayout

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

- (IBAction) print:(id)sender

{

    NSRect imageFrame = [plasmaExhibitsView viewBounds];

    NSImageView *imageView = [[OpenGLImageView imageViewWithFrame:&imageFrame

                                                             view:plasmaExhibitsView] imageView];

    if( imageView )

    {

        GLfloat  imageViewWidth  = imageFrame.size.width;

        GLfloat  imageViewHeight = imageFrame.size.height;

        // setup some reasonable state for GL printing. To get better output results,

        // fine tune this section of the code for better scaling.

        NSPrintInfo *printinfo = [NSPrintInfo sharedPrintInfo];

        if( printinfo )

        {

            [printinfo setHorizontalPagination:NSAutoPagination];

            [printinfo setVerticalPagination:NSAutoPagination];

            [printinfo setTopMargin:0.0f];

            [printinfo setBottomMargin:0.0f];

            [printinfo setRightMargin:7.0f];

            [printinfo setLeftMargin:7.0f];

            if( imageViewHeight < imageViewWidth )

            {

                [printinfo setOrientation:NSLandscapeOrientation];

            } // if

            else

            {

                [printinfo setOrientation:NSPortraitOrientation];

            } // else

            // print image view

            NSPrintOperation *printOperation = [NSPrintOperation printOperationWithView:imageView

                                                                              printInfo:printinfo];

            [printOperation runOperationModalForWindow:[plasmaExhibitsView window]

                                              delegate:nil

                                        didRunSelector:nil

                                           contextInfo:nil];

        } // if

    } // if

} // print

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

#pragma mark -

#pragma mark Text Field Actions

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

- (IBAction) lightPosXTextFieldChanged:(id)sender

{

    int    uniformIntValue   = [sender intValue];

    float  uniformFloatValue = (float)uniformIntValue;

    [plasmaExhibitsView setUniformUsingControls:uniformFloatValue

                             coordinatePosition:kLightPosX];

    [lightPosXSlider setFloatValue:uniformFloatValue];

    [plasmaExhibitsView preferenceSetObject:[NSNumber numberWithFloat:uniformFloatValue]

                                     forKey:@"Light X Position"];

} // lightPosXTextField

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

- (IBAction) lightPosYTextFieldChanged:(id)sender

{

    int    uniformIntValue   = [sender intValue];

    float  uniformFloatValue = (float)uniformIntValue;

    [plasmaExhibitsView setUniformUsingControls:uniformFloatValue

                             coordinatePosition:kLightPosY];

    [lightPosYSlider setFloatValue:uniformFloatValue];

    [plasmaExhibitsView preferenceSetObject:[NSNumber numberWithFloat:uniformFloatValue]

                                     forKey:@"Light Y Position"];

} // lightPosYTextField

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

- (IBAction) lightPosZTextFieldChanged:(id)sender

{

    int    uniformIntValue   = [sender intValue];

    float  uniformFloatValue = (float)uniformIntValue;

    [plasmaExhibitsView setUniformUsingControls:uniformFloatValue

                             coordinatePosition:kLightPosZ];

    [lightPosZSlider setFloatValue:uniformFloatValue];

    [plasmaExhibitsView preferenceSetObject:[NSNumber numberWithFloat:uniformFloatValue]

                                     forKey:@"Light Z Position"];

} // lightPosZTextField

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

#pragma mark -

#pragma mark Slider Actions

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

- (IBAction) lightPosXSliderChanged:(id)sender

{

    float uniformFloatValue = [sender floatValue];

    int   uniformIntValue   = (int)uniformFloatValue;

    [plasmaExhibitsView setUniformUsingControls:uniformFloatValue

                             coordinatePosition:kLightPosX];

    [lightPosXTextField setIntValue:uniformIntValue];

    [plasmaExhibitsView preferenceSetObject:[NSNumber numberWithFloat:uniformFloatValue]

                                     forKey:@"Light X Position"];

} // lightPosXSliderChanged

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

- (IBAction) lightPosYSliderChanged:(id)sender

{

    float uniformFloatValue = [sender floatValue];

    int   uniformIntValue   = (int)uniformFloatValue;

    [plasmaExhibitsView setUniformUsingControls:uniformFloatValue

                             coordinatePosition:kLightPosY];

    [lightPosYTextField setIntValue:uniformIntValue];

    [plasmaExhibitsView preferenceSetObject:[NSNumber numberWithFloat:uniformFloatValue]

                                     forKey:@"Light Y Position"];

} // lightPosYSliderChanged

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

- (IBAction) lightPosZSliderChanged:(id)sender

{

    float uniformFloatValue = [sender floatValue];

    int   uniformIntValue   = (int)uniformFloatValue;

    [plasmaExhibitsView setUniformUsingControls:uniformFloatValue

                             coordinatePosition:kLightPosZ];

    [lightPosZTextField setIntValue:uniformIntValue];

    [plasmaExhibitsView preferenceSetObject:[NSNumber numberWithFloat:uniformFloatValue]

                                     forKey:@"Light Z Position"];

} // lightPosZSliderChanged

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

#pragma mark -

#pragma mark Enable/Disable Rotation

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

//

// Thes methods are called when the button is pressed

//

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

- (IBAction) rotation:(id)sender

{

    NSUInteger rotate = [sender state];

    if( !rotate )

    {

        [plasmaExhibitsView rotationStop];

        [rotationButton setTitle:@"Start"];

    } // if

    else

    {

        [plasmaExhibitsView rotationStart];

        [rotationButton setTitle:@"Stop"];

    } // else

} // rotation

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

#pragma mark -

#pragma mark Enable/Disable Fullscreen

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

- (IBAction) enableFullScreen:(id)sender

{

    if( ![plasmaExhibitsView isInFullScreenMode] )

    {

        [plasmaExhibitsView fullScreenEnable];

    } // if

} // enableFullScreen

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

#pragma mark -

#pragma mark View Snapshot

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

- (IBAction) viewSnapshot:(id)sender

{

    [plasmaExhibitsView viewSnapshot];

} // viewSnapshot

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

#pragma mark -

#pragma mark Select an Exhibit

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

//

// This method is called when the user picks a different effect to

// receive messages using the pop-up menu

//

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

- (IBAction) switchExhibits:(id)sender

{

    // sender is the NSPopUpMenu containing shader exhibits' choices.

    // We ask the sender which popup menu item is selected and add

    // one to compensate for counting from zero.

    NSInteger exhibitSelected = [sender indexOfSelectedItem] + 1;

    // Based on selected shader effect, we set the target to the

    // selected shader.

    [plasmaExhibitsView setExhibitItem:exhibitSelected];

    [plasmaExhibitsView preferenceSetObject:[NSNumber numberWithUnsignedInt:exhibitSelected]

                                     forKey:@"Exhibit Type"];

} // switchExhibits

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

@end

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

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