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CPTScatterPlotPlugin.m
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256 lines (203 loc) · 10.4 KB
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#import "CPTScatterPlotPlugIn.h"
@implementation CPTScatterPlotPlugIn
/*
* NOTE: It seems that QC plugins don't inherit dynamic input ports which is
* why all of the accessor declarations are duplicated here
*/
/*
* Accessor for the output image
*/
@dynamic outputImage;
/*
* Dynamic accessors for the static PlugIn inputs
*/
@dynamic inputPixelsWide, inputPixelsHigh;
@dynamic inputPlotAreaColor;
@dynamic inputAxisColor, inputAxisLineWidth, inputAxisMinorTickWidth, inputAxisMajorTickWidth, inputAxisMajorTickLength, inputAxisMinorTickLength;
@dynamic inputMajorGridLineWidth, inputMinorGridLineWidth;
@dynamic inputXMin, inputXMax, inputYMin, inputYMax;
@dynamic inputXMajorIntervals, inputYMajorIntervals, inputXMinorIntervals, inputYMinorIntervals;
+(nonnull NSDictionary<NSString *, NSString *> *)attributes
{
return @{
QCPlugInAttributeNameKey: @"Core Plot Scatter Plot",
QCPlugInAttributeDescriptionKey: @"Scatter plot"
};
}
-(void)addPlotWithIndex:(NSUInteger)index
{
// Create input ports for the new plot
[self addInputPortWithType:QCPortTypeStructure
forKey:[NSString stringWithFormat:@"plotXNumbers%lu", (unsigned long)index]
withAttributes:@{ QCPortAttributeNameKey: [NSString stringWithFormat:@"X Values %lu", (unsigned long)(index + 1)],
QCPortAttributeTypeKey: QCPortTypeStructure }
];
[self addInputPortWithType:QCPortTypeStructure
forKey:[NSString stringWithFormat:@"plotYNumbers%lu", (unsigned long)index]
withAttributes:@{ QCPortAttributeNameKey: [NSString stringWithFormat:@"Y Values %lu", (unsigned long)(index + 1)],
QCPortAttributeTypeKey: QCPortTypeStructure }
];
CGColorRef lineColor = [self newDefaultColorForPlot:index alpha:1.0];
[self addInputPortWithType:QCPortTypeColor
forKey:[NSString stringWithFormat:@"plotDataLineColor%lu", (unsigned long)index]
withAttributes:@{ QCPortAttributeNameKey: [NSString stringWithFormat:@"Plot Line Color %lu", (unsigned long)(index + 1)],
QCPortAttributeTypeKey: QCPortTypeColor,
QCPortAttributeDefaultValueKey: CFBridgingRelease(lineColor) }
];
CGColorRef fillColor = [self newDefaultColorForPlot:index alpha:0.25];
[self addInputPortWithType:QCPortTypeColor
forKey:[NSString stringWithFormat:@"plotFillColor%lu", (unsigned long)index]
withAttributes:@{ QCPortAttributeNameKey: [NSString stringWithFormat:@"Plot Fill Color %lu", (unsigned long)(index + 1)],
QCPortAttributeTypeKey: QCPortTypeColor,
QCPortAttributeDefaultValueKey: CFBridgingRelease(fillColor) }
];
[self addInputPortWithType:QCPortTypeNumber
forKey:[NSString stringWithFormat:@"plotDataLineWidth%lu", (unsigned long)index]
withAttributes:@{ QCPortAttributeNameKey: [NSString stringWithFormat:@"Plot Line Width %lu", (unsigned long)(index + 1)],
QCPortAttributeTypeKey: QCPortTypeNumber,
QCPortAttributeDefaultValueKey: @1.0,
QCPortAttributeMinimumValueKey: @0.0 }
];
[self addInputPortWithType:QCPortTypeIndex
forKey:[NSString stringWithFormat:@"plotDataSymbols%lu", (unsigned long)index]
withAttributes:@{ QCPortAttributeNameKey: [NSString stringWithFormat:@"Data Symbols %lu", (unsigned long)(index + 1)],
QCPortAttributeTypeKey: QCPortTypeIndex,
QCPortAttributeMenuItemsKey: @[@"Empty", @"Circle", @"Triangle", @"Square", @"Plus", @"Star", @"Diamond", @"Pentagon", @"Hexagon", @"Dash", @"Snow"],
QCPortAttributeDefaultValueKey: @0,
QCPortAttributeMinimumValueKey: @0,
QCPortAttributeMaximumValueKey: @10 }
];
CGColorRef symbolColor = [self newDefaultColorForPlot:index alpha:0.25];
[self addInputPortWithType:QCPortTypeColor
forKey:[NSString stringWithFormat:@"plotDataSymbolColor%lu", (unsigned long)index]
withAttributes:@{ QCPortAttributeNameKey: [NSString stringWithFormat:@"Data Symbol Color %lu", (unsigned long)(index + 1)],
QCPortAttributeTypeKey: QCPortTypeColor,
QCPortAttributeDefaultValueKey: CFBridgingRelease(symbolColor) }
];
// Add the new plot to the graph
CPTScatterPlot *scatterPlot = [[CPTScatterPlot alloc] init];
scatterPlot.identifier = [NSString stringWithFormat:@"Data Source Plot %lu", (unsigned long)(index + 1)];
// Line Style
lineColor = [self newDefaultColorForPlot:index alpha:1.0];
fillColor = [self newDefaultColorForPlot:index alpha:0.25];
CPTMutableLineStyle *lineStyle = [CPTMutableLineStyle lineStyle];
lineStyle.lineWidth = 3.0;
lineStyle.lineColor = [CPTColor colorWithCGColor:lineColor];
scatterPlot.dataLineStyle = lineStyle;
scatterPlot.areaFill = [CPTFill fillWithColor:[CPTColor colorWithCGColor:fillColor]];
scatterPlot.dataSource = self;
[self.graph addPlot:scatterPlot];
CGColorRelease(lineColor);
CGColorRelease(fillColor);
}
-(void)removePlots:(NSUInteger)count
{
// Clean up a deleted plot
CPTGraph *theGraph = self.graph;
NSUInteger plotCount = self.numberOfPlots;
for ( NSUInteger i = plotCount; i > plotCount - count; i-- ) {
[self removeInputPortForKey:[NSString stringWithFormat:@"plotXNumbers%lu", (unsigned long)(i - 1)]];
[self removeInputPortForKey:[NSString stringWithFormat:@"plotYNumbers%lu", (unsigned long)(i - 1)]];
[self removeInputPortForKey:[NSString stringWithFormat:@"plotDataLineColor%lu", (unsigned long)(i - 1)]];
[self removeInputPortForKey:[NSString stringWithFormat:@"plotFillColor%lu", (unsigned long)(i - 1)]];
[self removeInputPortForKey:[NSString stringWithFormat:@"plotDataLineWidth%lu", (unsigned long)(i - 1)]];
[self removeInputPortForKey:[NSString stringWithFormat:@"plotDataSymbols%lu", (unsigned long)(i - 1)]];
[self removeInputPortForKey:[NSString stringWithFormat:@"plotDataSymbolColor%lu", (unsigned long)(i - 1)]];
[theGraph removePlot:[theGraph allPlots].lastObject];
}
}
-(nullable CPTPlotSymbol *)plotSymbol:(NSUInteger)index
{
NSString *key = [NSString stringWithFormat:@"plotDataSymbols%lu", (unsigned long)index];
NSUInteger value = [[self valueForInputKey:key] unsignedIntegerValue];
switch ( value ) {
case 1:
return [CPTPlotSymbol ellipsePlotSymbol];
case 2:
return [CPTPlotSymbol trianglePlotSymbol];
case 3:
return [CPTPlotSymbol rectanglePlotSymbol];
case 4:
return [CPTPlotSymbol plusPlotSymbol];
case 5:
return [CPTPlotSymbol starPlotSymbol];
case 6:
return [CPTPlotSymbol diamondPlotSymbol];
case 7:
return [CPTPlotSymbol pentagonPlotSymbol];
case 8:
return [CPTPlotSymbol hexagonPlotSymbol];
case 9:
return [CPTPlotSymbol dashPlotSymbol];
case 10:
return [CPTPlotSymbol snowPlotSymbol];
default:
return nil;
}
}
-(nonnull CGColorRef)dataSymbolColor:(NSUInteger)index
{
NSString *key = [NSString stringWithFormat:@"plotDataSymbolColor%lu", (unsigned long)index];
return (__bridge CGColorRef)[self valueForInputKey:key];
}
-(BOOL)configurePlots
{
// Adjust the plots configuration using the QC input ports
CPTGraph *theGraph = self.graph;
for ( CPTScatterPlot *plot in [theGraph allPlots] ) {
NSUInteger index = [[theGraph allPlots] indexOfObject:plot];
CPTMutableLineStyle *lineStyle = [CPTMutableLineStyle lineStyle];
lineStyle.lineColor = [CPTColor colorWithCGColor:[self dataLineColor:index]];
lineStyle.lineWidth = [self dataLineWidth:index];
plot.dataLineStyle = lineStyle;
lineStyle.lineColor = [CPTColor colorWithCGColor:[self dataSymbolColor:index]];
plot.plotSymbol = [self plotSymbol:index];
plot.plotSymbol.lineStyle = lineStyle;
plot.plotSymbol.fill = [CPTFill fillWithColor:[CPTColor colorWithCGColor:[self dataSymbolColor:index]]];
plot.plotSymbol.size = CGSizeMake(10.0, 10.0);
plot.areaFill = [CPTFill fillWithColor:[CPTColor colorWithCGColor:[self areaFillColor:index]]];
plot.areaBaseValue = @( MAX( self.inputYMin, MIN(self.inputYMax, 0.0) ) );
[plot reloadData];
}
return YES;
}
#pragma mark -
#pragma mark Data source methods
-(NSUInteger)numberOfRecordsForPlot:(nonnull CPTPlot *)plot
{
NSUInteger plotIndex = [[self.graph allPlots] indexOfObject:plot];
NSString *xKey = [NSString stringWithFormat:@"plotXNumbers%lu", (unsigned long)plotIndex];
NSString *yKey = [NSString stringWithFormat:@"plotYNumbers%lu", (unsigned long)plotIndex];
CPTDictionary *xVals = [self valueForInputKey:xKey];
CPTDictionary *yVals = [self valueForInputKey:yKey];
if ( !xVals || !yVals ) {
return 0;
}
else if ( xVals.count != yVals.count ) {
return 0;
}
return xVals.count;
}
-(nullable id)numberForPlot:(nonnull CPTPlot *)plot field:(NSUInteger)fieldEnum recordIndex:(NSUInteger)index
{
NSUInteger plotIndex = [[self.graph allPlots] indexOfObject:plot];
NSString *xKey = [NSString stringWithFormat:@"plotXNumbers%lu", (unsigned long)plotIndex];
NSString *yKey = [NSString stringWithFormat:@"plotYNumbers%lu", (unsigned long)plotIndex];
CPTDictionary *xVals = [self valueForInputKey:xKey];
CPTDictionary *yVals = [self valueForInputKey:yKey];
if ( !xVals || !yVals ) {
return nil;
}
else if ( xVals.count != yVals.count ) {
return nil;
}
CPTDictionary *dict = (fieldEnum == CPTScatterPlotFieldX) ? xVals : yVals;
NSString *dictionaryKey = [NSString stringWithFormat:@"%lu", (unsigned long)index];
NSNumber *number = dict[dictionaryKey];
if ( number == nil ) {
NSLog(@"No value for key: %@", dictionaryKey);
NSLog(@"Dict: %@", dict);
}
return number;
}
@end