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SKProgressIndicator.m
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SKProgressIndicator.m
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//
// SKProgressIndicator.m
// Skreenics
//
// Created by naixn on 19/09/09.
// Copyright 2009 Thibault Martin-Lagardette. All rights reserved.
//
#import "SKProgressIndicator.h"
#define GRADIANT_HEIGHT 13.0
#define PADDING 20.0
#pragma mark -
@implementation SKProgressAnimator
- (id)initWithDelegate:(id <SKProgressAnimatorDelegate>)delegate from:(double)from to:(double)to
{
if (self = [super initWithDuration:0.20 animationCurve:NSAnimationEaseInOut])
{
[self setDelegate:delegate];
[self setFrameRate:60.0];
[self setAnimationBlockingMode:NSAnimationNonblocking];
originalProgress = from;
finalProgress = to;
}
return self;
}
- (void)setCurrentProgress:(NSAnimationProgress)progress
{
[super setCurrentProgress:progress];
double currentValue = [self currentValue];
if ([self animationCurve] == NSAnimationEaseOut)
{
currentValue = 1.0 - currentValue;
}
[(id <SKProgressAnimatorDelegate>)[self delegate] setProgressValue:(originalProgress + (finalProgress - originalProgress) * currentValue)];
}
@end
#pragma mark -
@implementation SKProgressIndicator
@synthesize maxProgressValue;
- (id)init
{
if (self = [super init])
{
progressValue = 0.0;
maxProgressValue = 100.0;
progressAnimation = nil;
}
return self;
}
- (id)initWithCoder:(NSCoder *)coder
{
if (self = [super initWithCoder:coder])
{
progressValue = 0.0;
maxProgressValue = 100.0;
progressAnimation = nil;
}
return self;
}
- (void)dealloc
{
if (progressAnimation)
{
[progressAnimation setDelegate:nil];
[progressAnimation release];
}
[super dealloc];
}
#pragma mark Progress value
- (double)progressValue
{
return progressValue;
}
- (void)setProgressValue:(double)value
{
if (value > maxProgressValue)
{
value = maxProgressValue;
}
else if (value < 0.0 & value != kSKProgressIndicatorError)
{
value = 0.0;
}
progressValue = value;
[self setNeedsDisplay:YES];
}
- (void)setAnimatedProgressValue:(double)value
{
if (value != progressValue)
{
if (progressValue != kSKProgressIndicatorError)
{
if (progressAnimation)
{
[progressAnimation stopAnimation];
[progressAnimation release];
}
progressAnimation = [[SKProgressAnimator alloc] initWithDelegate:self from:progressValue to:value];
[progressAnimation startAnimation];
}
else
{
[self setProgressValue:value];
}
}
}
#pragma mark Progress Indicator delegate
- (void)animationDidEnd:(NSAnimation *)animation
{
[progressAnimation release];
progressAnimation = nil;
}
#pragma mark Draw related
- (NXGradiantComponents)gradiantHolderComponents
{
NXGradiantComponents gradiantHolder;
gradiantHolder.red = 0.85;
gradiantHolder.green = 0.85;
gradiantHolder.blue = 0.85;
gradiantHolder.alpha = 1.0;
return gradiantHolder;
}
- (NXGradiantComponents)redGradiantComponents
{
NXGradiantComponents redGradiant;
redGradiant.red = 0.8;
redGradiant.green = 0.4;
redGradiant.blue = 0.4;
redGradiant.alpha = 1.0;
return redGradiant;
}
- (NXGradiantComponents)greenGradiantComponents
{
NXGradiantComponents greenGradiant;
greenGradiant.red = 0.4;
greenGradiant.green = 0.8;
greenGradiant.blue = 0.4;
greenGradiant.alpha = 1.0;
return greenGradiant;
}
- (NXGradiantComponents)blueGradiantComponents
{
NXGradiantComponents blueGradiant;
blueGradiant.red = 0.43;
blueGradiant.green = 0.64;
blueGradiant.blue = 0.93;
blueGradiant.alpha = 1.0;
return blueGradiant;
}
- (NSGradient *)gradiantWithColors:(NXGradiantComponents)c
{
NSColor* baseColor;
NSColor* fadedColor1;
NSColor* fadedColor2;
baseColor = [NSColor colorWithCalibratedRed:c.red green:c.green blue:c.blue alpha:c.alpha];
fadedColor1 = [NSColor colorWithCalibratedRed:(c.red * 0.90) green:(c.green * 0.90) blue:(c.blue * 0.90) alpha:c.alpha];
fadedColor2 = [NSColor colorWithCalibratedRed:(c.red * 0.80) green:(c.green * 0.80) blue:(c.blue * 0.80) alpha:c.alpha];
return [[[NSGradient alloc] initWithColorsAndLocations:baseColor, 0.0, baseColor, 0.5, fadedColor1, 0.8, fadedColor2, 0.9, baseColor, 1.0, nil] autorelease];
}
- (void)drawRect:(NSRect)dirtyRect
{
NSRect progressRect;
NXGradiantComponents gc;
[[self gradiantWithColors:[self gradiantHolderComponents]] drawInRect:dirtyRect angle:90.0];
if (progressValue)
{
progressRect = dirtyRect;
if (progressValue != kSKProgressIndicatorError)
{
progressRect.size.width = (int)((progressValue * NSWidth(dirtyRect)) / maxProgressValue);
if (progressValue >= maxProgressValue)
{
gc = [self greenGradiantComponents];
}
else
{
gc = [self blueGradiantComponents];
}
}
else
{
gc = [self redGradiantComponents];
}
[[self gradiantWithColors:gc] drawInRect:progressRect angle:-90.0];
}
[NSGraphicsContext saveGraphicsState];
[[NSColor colorWithDeviceWhite:0.0 alpha:0.2] set];
[NSBezierPath setDefaultLineWidth:1.0];
[NSBezierPath strokeRect:NSInsetRect(dirtyRect, 0.5, 0.5)];
[NSBezierPath strokeRect:NSInsetRect(progressRect, 0.5, 0.5)];
[NSGraphicsContext restoreGraphicsState];
}
@end