project_files/HedgewarsMobile/Classes/MNEValueTrackingSlider.m
author nemo
Thu, 18 Oct 2012 14:04:24 -0400
changeset 7767 d1ea9b3f543e
parent 6908 896ed2afcfb8
child 11554 893722a2a1f9
permissions -rwxr-xr-x
damn nots
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
6679
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
     1
//
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
     2
// MNEValueTrackingSlider
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
     3
//
6700
e04da46ee43c the most important commit of the year
koda
parents: 6679
diff changeset
     4
// Copyright 2012 Michael Neuwert
6679
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
     5
// "You can use the code in your own project and modify it as you like."
6700
e04da46ee43c the most important commit of the year
koda
parents: 6679
diff changeset
     6
// http://blog.neuwert-media.com/2012/04/customized-uislider-with-visual-value-tracking/
6679
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
     7
//
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
     8
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
     9
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    10
#import "MNEValueTrackingSlider.h"
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    11
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    12
#pragma mark -
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    13
#pragma mark Private UIView subclass rendering the popup showing slider value
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    14
@interface SliderValuePopupView : UIView
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    15
@property (nonatomic, retain) UIFont *font;
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    16
@property (nonatomic, copy) NSString *text;
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    17
@property (nonatomic) float arrowOffset;
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    18
@end
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    19
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    20
@implementation SliderValuePopupView
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    21
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    22
@synthesize font = _font;
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    23
@synthesize text = _text;
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    24
@synthesize arrowOffset = _arrowOffset;
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    25
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    26
-(id) initWithFrame:(CGRect) frame {
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    27
    self = [super initWithFrame:frame];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    28
    if (self) {
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    29
        self.font = [UIFont boldSystemFontOfSize:18];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    30
    }
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    31
    return self;
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    32
}
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    33
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    34
-(void) dealloc {
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    35
    self.text = nil;
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    36
    self.font = nil;
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    37
    [super dealloc];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    38
}
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    39
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    40
-(void) drawRect:(CGRect) rect {
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    41
    // Create the path for the rounded rectangle
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    42
    CGRect roundedRect = CGRectMake(self.bounds.origin.x, self.bounds.origin.y, self.bounds.size.width, floorf(self.bounds.size.height * 0.8));
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    43
    UIBezierPath *roundedRectPath = [UIBezierPath bezierPathWithRoundedRect:roundedRect cornerRadius:6.0];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    44
    roundedRectPath.lineWidth = 2.0f;
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    45
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    46
    // Create the arrow path
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    47
    UIBezierPath *arrowPath = [UIBezierPath bezierPath];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    48
    /*
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    49
    // Make sure the arrow offset is nice
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    50
    if (-self.arrowOffset + 1 > CGRectGetMidX(self.bounds) / 2)
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    51
        self.arrowOffset = -CGRectGetMidX(self.bounds) / 2 + 1;
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    52
    if (self.arrowOffset > CGRectGetMidX(self.bounds) / 2)
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    53
        self.arrowOffset = CGRectGetMidX(self.bounds) / 2 -1;
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    54
     */
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    55
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    56
    CGFloat midX = CGRectGetMidX(self.bounds) + self.arrowOffset;
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    57
    CGPoint p0 = CGPointMake(midX, CGRectGetMaxY(self.bounds));
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    58
    [arrowPath moveToPoint:p0];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    59
    [arrowPath addLineToPoint:CGPointMake((midX - 10.0), CGRectGetMaxY(roundedRect))];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    60
    [arrowPath addLineToPoint:CGPointMake((midX + 10.0), CGRectGetMaxY(roundedRect))];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    61
    [arrowPath closePath];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    62
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    63
    // Attach the arrow path to the rounded rect
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    64
    [roundedRectPath appendPath:arrowPath];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    65
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    66
    // Color various sections
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    67
    [[UIColor blackColor] setFill];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    68
    [roundedRectPath fill];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    69
    [[UIColor whiteColor] setStroke];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    70
    [roundedRectPath stroke];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    71
    [[UIColor whiteColor] setFill];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    72
    [arrowPath fill];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    73
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    74
    // Draw the text
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    75
    if (self.text) {
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    76
        [[UIColor lightYellowColor] set];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    77
        CGSize s = [_text sizeWithFont:self.font];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    78
        CGFloat yOffset = (roundedRect.size.height - s.height) / 2;
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    79
        CGRect textRect = CGRectMake(roundedRect.origin.x, yOffset, roundedRect.size.width, s.height);
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    80
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    81
        [_text drawInRect:textRect
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    82
                 withFont:self.font
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    83
            lineBreakMode:UILineBreakModeWordWrap
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    84
                alignment:UITextAlignmentCenter];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    85
    }
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    86
}
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    87
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    88
@end
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    89
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    90
#pragma mark -
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    91
#pragma mark MNEValueTrackingSlider implementations
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    92
@implementation MNEValueTrackingSlider
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    93
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    94
@synthesize thumbRect, textValue;
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    95
6908
896ed2afcfb8 ios: turn on more warning messages and start correcting them
koda
parents: 6700
diff changeset
    96
#pragma mark Private methods
6679
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    97
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    98
-(void) _constructSlider {
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
    99
    valuePopupView = [[SliderValuePopupView alloc] initWithFrame:CGRectZero];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   100
    valuePopupView.backgroundColor = [UIColor clearColor];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   101
    valuePopupView.alpha = 0.0;
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   102
    [self addSubview:valuePopupView];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   103
}
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   104
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   105
-(void) _fadePopupViewInAndOut:(BOOL)aFadeIn {
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   106
    [UIView beginAnimations:nil context:NULL];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   107
    [UIView setAnimationDuration:0.25];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   108
    if (aFadeIn) {
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   109
        valuePopupView.alpha = 1.0;
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   110
    } else {
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   111
        valuePopupView.alpha = 0.0;
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   112
    }
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   113
    [UIView commitAnimations];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   114
}
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   115
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   116
-(void) _positionAndUpdatePopupView {
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   117
    CGRect _thumbRect = self.thumbRect;
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   118
    CGRect popupRect = CGRectOffset(_thumbRect, 0, -floorf(_thumbRect.size.height * 1.5));
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   119
    // (-100, -15) determines the size of the the rect
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   120
    popupRect = CGRectInset(popupRect, -100, -15);
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   121
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   122
    // this prevents drawing the popup outside the slider view
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   123
    if (popupRect.origin.x < -self.frame.origin.x+5)
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   124
        popupRect.origin.x = -self.frame.origin.x+5;
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   125
    else if (popupRect.origin.x > self.superview.frame.size.width - popupRect.size.width - self.frame.origin.x - 5)
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   126
        popupRect.origin.x = self.superview.frame.size.width - popupRect.size.width - self.frame.origin.x - 5;
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   127
    //else if (CGRectGetMaxX(popupRect) > CGRectGetMaxX(self.superview.bounds))
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   128
    //    popupRect.origin.x = CGRectGetMaxX(self.superview.bounds) - CGRectGetWidth(popupRect) - 1.0;
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   129
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   130
    valuePopupView.arrowOffset = CGRectGetMidX(_thumbRect) - CGRectGetMidX(popupRect);
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   131
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   132
    valuePopupView.frame = popupRect;
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   133
    valuePopupView.text = self.textValue;
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   134
    [valuePopupView setNeedsDisplay];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   135
}
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   136
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   137
#pragma mark Memory management
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   138
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   139
-(id) initWithFrame:(CGRect) frame {
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   140
    self = [super initWithFrame:frame];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   141
    if (self) {
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   142
        [self _constructSlider];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   143
    }
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   144
    return self;
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   145
}
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   146
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   147
-(id) initWithCoder:(NSCoder *)aDecoder {
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   148
    self = [super initWithCoder:aDecoder];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   149
    if (self) {
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   150
        [self _constructSlider];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   151
    }
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   152
    return self;
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   153
}
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   154
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   155
-(void) dealloc {
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   156
    [valuePopupView release];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   157
    [textValue release];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   158
    [super dealloc];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   159
}
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   160
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   161
#pragma mark -
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   162
#pragma mark UIControl touch event tracking
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   163
-(BOOL) beginTrackingWithTouch:(UITouch *)touch withEvent:(UIEvent *)event {
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   164
    // Fade in and update the popup view
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   165
    CGPoint touchPoint = [touch locationInView:self];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   166
    // Check if the knob is touched. Only in this case show the popup-view
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   167
    if(CGRectContainsPoint(CGRectInset(self.thumbRect, -14.0, -12.0), touchPoint)) {
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   168
        [self _positionAndUpdatePopupView];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   169
        [self _fadePopupViewInAndOut:YES];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   170
    }
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   171
    return [super beginTrackingWithTouch:touch withEvent:event];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   172
}
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   173
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   174
-(BOOL) continueTrackingWithTouch:(UITouch *)touch withEvent:(UIEvent *)event {
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   175
    // Update the popup view as slider knob is being moved
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   176
    [self _positionAndUpdatePopupView];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   177
    return [super continueTrackingWithTouch:touch withEvent:event];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   178
}
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   179
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   180
-(void) cancelTrackingWithEvent:(UIEvent *)event {
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   181
    [super cancelTrackingWithEvent:event];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   182
}
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   183
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   184
-(void) endTrackingWithTouch:(UITouch *)touch withEvent:(UIEvent *)event {
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   185
    // Fade out the popoup view
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   186
    [self _fadePopupViewInAndOut:NO];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   187
    [super endTrackingWithTouch:touch withEvent:event];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   188
}
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   189
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   190
#pragma mark -
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   191
#pragma mark Custom property accessors
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   192
-(CGRect) thumbRect {
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   193
    CGRect trackRect = [self trackRectForBounds:self.bounds];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   194
    CGRect thumbR = [self thumbRectForBounds:self.bounds
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   195
                                         trackRect:trackRect
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   196
                                             value:self.value];
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   197
    return thumbR;
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   198
}
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   199
d8b98aa486a6 tweaks to the value tracking slider (doesn't draw outside the superview bounds) and assign proper copyright notice to it
koda
parents:
diff changeset
   200
@end