//
//  JSRunColorwell.m
//  JSRun
//
//  Created by Jonathan Saggau on 12/6/06.
//  Copyright 2006 Jonathan Saggau. All rights reserved.
//
#import "JSRunColorwell.h"

// use CTGradient to make the colorwell look a little like a button?
// (at the expense of some alpha accuracy)

//#define MAKE_GRADIENT_BUTTON 1

#ifdef MAKE_GRADIENT_BUTTON
    #import "CTGradient.h"
#endif


@implementation JSRunColorwell

- (void)activate:(BOOL)exclusive
{
    //allow alpha
    //http://www.allocinit.net/blog/show/30
    [[NSColorPanel sharedColorPanel] setShowsAlpha:YES];
    [super activate: exclusive];
}

// Gemmell's code for somethin else somewhat messed with
- (void)drawRect:(NSRect)aRect
{
    //float borderWidth = ([self isEnabled]) ? 2.0 : 0.0;
    float borderWidth = 1.0;
    float borderAlpha = ([self isEnabled]) ? 1.0 : 0.0;
    float radius = 4.0;
        
    NSColor *borderColor;
    if(([self isEnabled]) && (![self isActive]))
    {
        //white iff we're enabled and not active
        //acts like the default color well this way
        borderColor = [NSColor colorWithCalibratedWhite:.8 alpha:borderAlpha];
    }
    else
    {
        borderColor = [NSColor colorWithCalibratedWhite:.5 alpha:borderAlpha];
    }
    
    
    // Construct rounded rect path
    NSRect boxRect = aRect;
    NSRect bgRect = boxRect;
    bgRect = NSInsetRect(boxRect, borderWidth / 2.0, borderWidth / 2.0);
    bgRect = NSIntegralRect(bgRect);
    bgRect.origin.x += 0.5;
    bgRect.origin.y += 0.5;
    int minX = NSMinX(bgRect);
    int midX = NSMidX(bgRect);
    int maxX = NSMaxX(bgRect);
    int minY = NSMinY(bgRect);
    int midY = NSMidY(bgRect);
    int maxY = NSMaxY(bgRect);
    
    NSBezierPath *bgPath = [NSBezierPath bezierPath];
    
    // Bottom edge and bottom-right curve
    [bgPath moveToPoint:NSMakePoint(midX, minY)];
    [bgPath appendBezierPathWithArcFromPoint:NSMakePoint(maxX, minY) 
                                     toPoint:NSMakePoint(maxX, midY) 
                                      radius:radius];
    
    // Right edge and top-right curve
    [bgPath appendBezierPathWithArcFromPoint:NSMakePoint(maxX, maxY) 
                                     toPoint:NSMakePoint(midX, maxY) 
                                      radius:radius];
    
    // Top edge and top-left curve
    [bgPath appendBezierPathWithArcFromPoint:NSMakePoint(minX, maxY) 
                                     toPoint:NSMakePoint(minX, midY) 
                                      radius:radius];
    
    // Left edge and bottom-left curve
    [bgPath appendBezierPathWithArcFromPoint:NSMakePoint(minX, minY) 
                                     toPoint:NSMakePoint(midX, minY) 
                                      radius:radius];
    [bgPath closePath];
    
    
    // Draw background
    // Draw background
    
#ifdef MAKE_GRADIENT_BUTTON
    // Draw gradient background
    //NSLog(@"DrawRect");
    NSGraphicsContext *nsContext = [NSGraphicsContext currentContext];
    [nsContext saveGraphicsState];
    [bgPath addClip];
    float r, g, b, a;
    NSColor *convertedColor = [[self color] colorUsingColorSpaceName:NSCalibratedRGBColorSpace];
    [convertedColor getRed:&r green:&g blue:&b alpha:&a];
    CTGradient *gradient = [CTGradient gradientWithBeginningColor:[self color]
                                                      endingColor:[NSColor colorWithCalibratedRed:r
                                                                                            green:g
                                                                                             blue:b
                                                                                            alpha:a*.4]];
    NSRect gradientRect = [bgPath bounds];
    [gradient fillRect:gradientRect angle:270.0];
    [nsContext restoreGraphicsState];
#else
    // Draw solid color background
    [[self color] set];
    [bgPath fill];
#endif
        
    [borderColor set];
    
    // Draw rounded rect around entire box
    if (borderWidth > 0.0) {
        [bgPath setLineWidth:borderWidth];
        [bgPath stroke];
    }    
}

- (void)drawWellInside:(NSRect)insideRect
{
//    [self drawRect:insideRect];
}

@end