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cappuccino/AppKit/CPLevelIndicator.j
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/*
* CPLevelIndicator.j
* AppKit
*
* Created by Alexander Ljungberg.
* Copyright 2011, WireLoad Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
@import "CPControl.j"
CPTickMarkBelow = 0;
CPTickMarkAbove = 1;
CPTickMarkLeft = CPTickMarkAbove;
CPTickMarkRight = CPTickMarkBelow;
CPRelevancyLevelIndicatorStyle = 0;
CPContinuousCapacityLevelIndicatorStyle = 1;
CPDiscreteCapacityLevelIndicatorStyle = 2;
CPRatingLevelIndicatorStyle = 3;
var _CPLevelIndicatorBezelColor = nil,
_CPLevelIndicatorSegmentEmptyColor = nil,
_CPLevelIndicatorSegmentNormalColor = nil,
_CPLevelIndicatorSegmentWarningColor = nil,
_CPLevelIndicatorSegmentCriticalColor = nil,
_CPLevelIndicatorSpacing = 1;
/*!
@ingroup appkit
@class CPLevelIndicator
CPLevelIndicator is a control which indicates a value visually on a scale.
*/
@implementation CPLevelIndicator : CPControl
{
CPLevelIndicator _levelIndicatorStyle @accessors;
double _minValue @accessors;
double _maxValue @accessors;
double _warningValue @accessors;
double _criticalValue @accessors;
CPTickMarkPosition _tickMarkPosition @accessors;
int _numberOfTickMarks @accessors;
int _numberOfMajorTickMarks @accessors;
}
+ (void)initialize
{
var bundle = [CPBundle bundleForClass:CPLevelIndicator];
_CPLevelIndicatorBezelColor = [CPColor colorWithPatternImage:[[CPThreePartImage alloc] initWithImageSlices:
[
[[CPImage alloc] initWithContentsOfFile:[bundle pathForResource:@"CPLevelIndicator/level-indicator-bezel-left.png"] size:CGSizeMake(3.0, 18.0)],
[[CPImage alloc] initWithContentsOfFile:[bundle pathForResource:@"CPLevelIndicator/level-indicator-bezel-center.png"] size:CGSizeMake(1.0, 18.0)],
[[CPImage alloc] initWithContentsOfFile:[bundle pathForResource:@"CPLevelIndicator/level-indicator-bezel-right.png"] size:CGSizeMake(3.0, 18.0)]
]
isVertical:NO
]];
_CPLevelIndicatorSegmentEmptyColor = [CPColor colorWithPatternImage:[[CPThreePartImage alloc] initWithImageSlices:
[
[[CPImage alloc] initWithContentsOfFile:[bundle pathForResource:@"CPLevelIndicator/level-indicator-segment-empty-left.png"] size:CGSizeMake(3.0, 17.0)],
[[CPImage alloc] initWithContentsOfFile:[bundle pathForResource:@"CPLevelIndicator/level-indicator-segment-empty-center.png"] size:CGSizeMake(1.0, 17.0)],
[[CPImage alloc] initWithContentsOfFile:[bundle pathForResource:@"CPLevelIndicator/level-indicator-segment-empty-right.png"] size:CGSizeMake(3.0, 17.0)]
]
isVertical:NO
]];
_CPLevelIndicatorSegmentNormalColor = [CPColor colorWithPatternImage:[[CPThreePartImage alloc] initWithImageSlices:
[
[[CPImage alloc] initWithContentsOfFile:[bundle pathForResource:@"CPLevelIndicator/level-indicator-segment-normal-left.png"] size:CGSizeMake(3.0, 17.0)],
[[CPImage alloc] initWithContentsOfFile:[bundle pathForResource:@"CPLevelIndicator/level-indicator-segment-normal-center.png"] size:CGSizeMake(1.0, 17.0)],
[[CPImage alloc] initWithContentsOfFile:[bundle pathForResource:@"CPLevelIndicator/level-indicator-segment-normal-right.png"] size:CGSizeMake(3.0, 17.0)]
]
isVertical:NO
]];
_CPLevelIndicatorSegmentWarningColor = [CPColor colorWithPatternImage:[[CPThreePartImage alloc] initWithImageSlices:
[
[[CPImage alloc] initWithContentsOfFile:[bundle pathForResource:@"CPLevelIndicator/level-indicator-segment-warning-left.png"] size:CGSizeMake(3.0, 17.0)],
[[CPImage alloc] initWithContentsOfFile:[bundle pathForResource:@"CPLevelIndicator/level-indicator-segment-warning-center.png"] size:CGSizeMake(1.0, 17.0)],
[[CPImage alloc] initWithContentsOfFile:[bundle pathForResource:@"CPLevelIndicator/level-indicator-segment-warning-right.png"] size:CGSizeMake(3.0, 17.0)]
]
isVertical:NO
]];
_CPLevelIndicatorSegmentCriticalColor = [CPColor colorWithPatternImage:[[CPThreePartImage alloc] initWithImageSlices:
[
[[CPImage alloc] initWithContentsOfFile:[bundle pathForResource:@"CPLevelIndicator/level-indicator-segment-critical-left.png"] size:CGSizeMake(3.0, 17.0)],
[[CPImage alloc] initWithContentsOfFile:[bundle pathForResource:@"CPLevelIndicator/level-indicator-segment-critical-center.png"] size:CGSizeMake(1.0, 17.0)],
[[CPImage alloc] initWithContentsOfFile:[bundle pathForResource:@"CPLevelIndicator/level-indicator-segment-critical-right.png"] size:CGSizeMake(3.0, 17.0)]
]
isVertical:NO
]];
}
- (id)initWithFrame:(CGRect)aFrame
{
self = [super initWithFrame:aFrame];
if (self)
{
_levelIndicatorStyle = CPDiscreteCapacityLevelIndicatorStyle;
_maxValue = 2;
_warningValue = 2;
_criticalValue = 2;
[self _init];
}
return self;
}
- (void)_init
{
// TODO Make themable and style dependent.
[self setBackgroundColor:_CPLevelIndicatorBezelColor];
}
- (void)layoutSubviews
{
var segmentCount = _maxValue - _minValue;
if (segmentCount <= 0)
return;
var filledColor = _CPLevelIndicatorSegmentNormalColor,
value = [self doubleValue];
if (value < _criticalValue)
filledColor = _CPLevelIndicatorSegmentCriticalColor;
else if (value < _warningValue)
filledColor = _CPLevelIndicatorSegmentWarningColor;
for (var i = 0; i < segmentCount; i++)
{
var bezelView = [self layoutEphemeralSubviewNamed:"segment-bezel-" + i
positioned:CPWindowAbove
relativeToEphemeralSubviewNamed:nil];
[bezelView setBackgroundColor:(_minValue + i) < value ? filledColor : _CPLevelIndicatorSegmentEmptyColor];
}
}
- (CPView)createEphemeralSubviewNamed:(CPString)aName
{
return [[CPView alloc] initWithFrame:_CGRectMakeZero()];
}
- (CGRect)rectForEphemeralSubviewNamed:(CPString)aViewName
{
if (aViewName.indexOf("segment-bezel") === 0)
{
var segment = parseInt(aViewName.substring("segment-bezel-".length), 10),
segmentCount = _maxValue - _minValue;
if (segment >= segmentCount)
return _CGRectMakeZero();
var bounds = [self bounds],
segmentWidth = FLOOR(bounds.size.width / segmentCount),
segmentFrame = CGRectCreateCopy([self bounds]);
segmentFrame.size.height -= 1;
segmentFrame.origin.x = segmentWidth * segment;
// Make the last segment use up the remaining space.
segmentFrame.size.width = segment < segmentCount - 1 ? segmentWidth - _CPLevelIndicatorSpacing : bounds.size.width - segmentFrame.origin.x;
return segmentFrame;
}
return _CGRectMakeZero();
}
/*
- (CPLevelIndicatorStyle)style;
- (void)setLevelIndicatorStyle:(CPLevelIndicatorStyle)style;
- (double)minValue;
- (void)setMinValue:(double)minValue;
- (double)maxValue;
- (void)setMaxValue:(double)maxValue;
- (double)warningValue;
- (void)setWarningValue:(double)warningValue;
- (double)criticalValue;
- (void)setCriticalValue:(double)criticalValue;
- (CPTickMarkPosition)tickMarkPosition;
- (void)setTickMarkPosition:(CPTickMarkPosition)position;
- (int)numberOfTickMarks;
- (void)setNumberOfTickMarks:(int)count;
- (int)numberOfMajorTickMarks;
- (void)setNumberOfMajorTickMarks:(int)count;
- (double)tickMarkValueAtIndex:(int)index;
- (CGRect)rectOfTickMarkAtIndex:(int)index;
*/
@end
var CPLevelIndicatorStyleKey = "CPLevelIndicatorStyleKey",
CPLevelIndicatorMinValueKey = "CPLevelIndicatorMinValueKey",
CPLevelIndicatorMaxValueKey = "CPLevelIndicatorMaxValueKey",
CPLevelIndicatorWarningValueKey = "CPLevelIndicatorWarningValueKey",
CPLevelIndicatorCriticalValueKey = "CPLevelIndicatorCriticalValueKey",
CPLevelIndicatorTickMarkPositionKey = "CPLevelIndicatorTickMarkPositionKey",
CPLevelIndicatorNumberOfTickMarksKey = "CPLevelIndicatorNumberOfTickMarksKey",
CPLevelIndicatorNumberOfMajorTickMarksKey = "CPLevelIndicatorNumberOfMajorTickMarksKey";
@implementation CPLevelIndicator (CPCoding)
- (id)initWithCoder:(CPCoder)aCoder
{
self = [super initWithCoder:aCoder];
if (self)
{
_levelIndicatorStyle = [aCoder decodeIntForKey:CPLevelIndicatorStyleKey];
_minValue = [aCoder decodeDoubleForKey:CPLevelIndicatorMinValueKey];
_maxValue = [aCoder decodeDoubleForKey:CPLevelIndicatorMaxValueKey];
_warningValue = [aCoder decodeDoubleForKey:CPLevelIndicatorWarningValueKey];
_criticalValue = [aCoder decodeDoubleForKey:CPLevelIndicatorCriticalValueKey];
_tickMarkPosition = [aCoder decodeIntForKey:CPLevelIndicatorTickMarkPositionKey];
_numberOfTickMarks = [aCoder decodeIntForKey:CPLevelIndicatorNumberOfTickMarksKey];
_numberOfMajorTickMarks = [aCoder decodeIntForKey:CPLevelIndicatorNumberOfMajorTickMarksKey];
[self _init];
[self setNeedsLayout];
[self setNeedsDisplay:YES];
}
return self;
}
- (void)encodeWithCoder:(CPCoder)aCoder
{
[super encodeWithCoder:aCoder];
[aCoder encodeInt:_levelIndicatorStyle forKey:CPLevelIndicatorStyleKey];
[aCoder encodeDouble:_minValue forKey:CPLevelIndicatorMinValueKey];
[aCoder encodeDouble:_maxValue forKey:CPLevelIndicatorMaxValueKey];
[aCoder encodeDouble:_warningValue forKey:CPLevelIndicatorWarningValueKey];
[aCoder encodeDouble:_criticalValue forKey:CPLevelIndicatorCriticalValueKey];
[aCoder encodeInt:_tickMarkPosition forKey:CPLevelIndicatorTickMarkPositionKey];
[aCoder encodeInt:_numberOfTickMarks forKey:CPLevelIndicatorNumberOfTickMarksKey];
[aCoder encodeInt:_numberOfMajorTickMarks forKey:CPLevelIndicatorNumberOfMajorTickMarksKey];
}
@end