GLSLShowpiece Lite/Viewer/Sources/UIController.m

//-------------------------------------------------------------------------
//
//  File: UIController.m
//
//  Abstract: Main user interface control class
//           
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//  Copyright (c) 2004-2007 Apple Inc., All rights reserved.
//
//-------------------------------------------------------------------------
 
#import "UIController.h"
 
@implementation UIController
 
- (id) init
{
    [super init];
    
    // This is the list of supported exhibits
    
    exhibits = [NSArray arrayWithObjects: 
                    [[Cloud1 alloc] init],
                    [[Cloud2 alloc] init],
                    [[Earth alloc] init],
                    [[EnvMap alloc] init],
                    [[Eroded alloc] init],
                    [[Fire alloc] init],
                    [[Fur alloc] init],
                    [[Glass alloc] init],
                    [[Gooch alloc] init],
                    [[Granite alloc] init],
                    [[Inferno alloc] init],
                    [[Marble alloc] init],
                    [[Plasma alloc] init],
                    [[Toon alloc] init],
                    [[Toyball alloc] init],
                    [[VertexNoise alloc] init],
                    [[Wobble alloc] init],
                    [[Wood1 alloc] init],
                    [[Wood2 alloc] init],
                    [[WoodShader alloc] init],
                    nil];
    
    [exhibits retain];
    
    return self;
} // init
 
- (void) dealloc
{
    [exhibits release];
        
    [super dealloc];
} // dealloc
 
- (void) awakeFromNib
{
    OpenGLExhibit  *exhibit  = [exhibits objectAtIndex:0];
    NSString       *filename = [exhibit descriptionFilename];
    
    [exhibitOpenGLView setExhibit: exhibit];
    
    [exhibitShaderDescTextView readRTFDFromFile: filename];
} // awakeFromNib
 
// Following methods are for compliency with the NSTableDataSource protocol
 
- (int) numberOfRowsInTableView: (NSTableView *) theTableView
{
    return [exhibits count];
} // numberOfRowsInTableView
 
- (id) tableView: (NSTableView *) theTableView
       objectValueForTableColumn: (NSTableColumn *) theTableColumn                                                                 
       row: (int) rowIndex
{
    return [[exhibits objectAtIndex: rowIndex]name];
} // tableView
 
- (void) tableViewSelectionDidChange: (NSNotification *) theNotification
{
    unsigned int     rowIndex;
    OpenGLExhibit   *exhibit;
    
   // Get the symbol that was selected
   
    rowIndex = [exhibitTableView selectedRow];
   
    if ((rowIndex < 0) || (rowIndex >= [exhibits count]))
    {
        return;
    } // if
    
    exhibit = [exhibits objectAtIndex: rowIndex];
        
    [exhibitOpenGLView setExhibit: exhibit];
    
    if ([exhibit descriptionFilename])
    {
        [exhibitShaderDescTextView readRTFDFromFile: [exhibit descriptionFilename]];
    } // if
    else
    {
        [exhibitShaderDescTextView setString: @""];
    } // else
} // tableViewSelectionDidChange
 
@end