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GeomLayerBuilder.kt
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GeomLayerBuilder.kt
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/*
* Copyright (c) 2020. JetBrains s.r.o.
* Use of this source code is governed by the MIT license that can be found in the LICENSE file.
*/
package jetbrains.datalore.plot.builder.assemble
import jetbrains.datalore.base.interval.DoubleSpan
import jetbrains.datalore.base.typedKey.TypedKeyHashMap
import jetbrains.datalore.base.values.Color
import jetbrains.datalore.plot.base.*
import jetbrains.datalore.plot.base.aes.AestheticsDefaults
import jetbrains.datalore.plot.base.aes.GeomTheme
import jetbrains.datalore.plot.base.annotations.Annotations
import jetbrains.datalore.plot.base.data.DataFrameUtil
import jetbrains.datalore.plot.base.data.TransformVar
import jetbrains.datalore.plot.base.geom.GeomBase
import jetbrains.datalore.plot.base.geom.LiveMapGeom
import jetbrains.datalore.plot.base.geom.LiveMapProvider
import jetbrains.datalore.plot.base.interact.ContextualMapping
import jetbrains.datalore.plot.base.interact.GeomTargetLocator.LookupSpec
import jetbrains.datalore.plot.base.interact.MappedDataAccess
import jetbrains.datalore.plot.base.pos.PositionAdjustments
import jetbrains.datalore.plot.base.render.LegendKeyElementFactory
import jetbrains.datalore.plot.base.stat.SimpleStatContext
import jetbrains.datalore.plot.base.stat.Stats
import jetbrains.datalore.plot.base.util.YOrientationBaseUtil
import jetbrains.datalore.plot.base.util.afterOrientation
import jetbrains.datalore.plot.builder.GeomLayer
import jetbrains.datalore.plot.builder.MarginSide
import jetbrains.datalore.plot.builder.VarBinding
import jetbrains.datalore.plot.builder.annotation.AnnotationLine
import jetbrains.datalore.plot.builder.annotation.AnnotationSpecification
import jetbrains.datalore.plot.builder.assemble.geom.GeomProvider
import jetbrains.datalore.plot.builder.assemble.geom.PointDataAccess
import jetbrains.datalore.plot.builder.data.DataProcessing
import jetbrains.datalore.plot.builder.data.GroupingContext
import jetbrains.datalore.plot.builder.data.StatInput
import jetbrains.datalore.plot.builder.interact.ContextualMappingProvider
import jetbrains.datalore.plot.builder.presentation.DefaultFontFamilyRegistry
import jetbrains.datalore.plot.builder.presentation.FontFamilyRegistry
import jetbrains.datalore.plot.builder.scale.ScaleProvider
import jetbrains.datalore.plot.builder.theme.ThemeTextStyle
class GeomLayerBuilder(
private val geomProvider: GeomProvider,
private val stat: Stat,
private val posProvider: PosProvider,
private val fontFamilyRegistry: FontFamilyRegistry,
) {
private val myBindings = ArrayList<VarBinding>()
private val myConstantByAes = TypedKeyHashMap()
private var myGroupingVarName: String? = null
private var myPathIdVarName: String? = null
private val myScaleProviderByAes = HashMap<Aes<*>, ScaleProvider>()
private var myDataPreprocessor: ((DataFrame, Map<Aes<*>, Transform>) -> DataFrame)? = null
private var myLocatorLookupSpec: LookupSpec = LookupSpec.NONE
private var myContextualMappingProvider: ContextualMappingProvider = ContextualMappingProvider.NONE
private var myIsLegendDisabled: Boolean = false
private var isYOrientation: Boolean = false
private var isMarginal: Boolean = false
private var marginalSide: MarginSide = MarginSide.LEFT
private var marginalSize: Double = Double.NaN
private var colorByAes: Aes<Color> = Aes.COLOR
private var fillByAes: Aes<Color> = Aes.FILL
private var myAnnotationsProvider: ((MappedDataAccess, DataFrame) -> Annotations?)? = null
private lateinit var myGeomTheme: GeomTheme
fun addBinding(v: VarBinding): GeomLayerBuilder {
myBindings.add(v)
return this
}
fun groupingVar(v: DataFrame.Variable): GeomLayerBuilder {
myGroupingVarName = v.name
return this
}
fun groupingVarName(v: String): GeomLayerBuilder {
myGroupingVarName = v
return this
}
fun pathIdVarName(v: String): GeomLayerBuilder {
myPathIdVarName = v
return this
}
fun <T> addConstantAes(aes: Aes<T>, v: T): GeomLayerBuilder {
myConstantByAes.put(aes, v)
return this
}
fun <T> addScaleProvider(aes: Aes<T>, scaleProvider: ScaleProvider): GeomLayerBuilder {
myScaleProviderByAes[aes] = scaleProvider
return this
}
fun locatorLookupSpec(v: LookupSpec): GeomLayerBuilder {
myLocatorLookupSpec = v
return this
}
fun contextualMappingProvider(v: ContextualMappingProvider): GeomLayerBuilder {
myContextualMappingProvider = v
return this
}
fun disableLegend(v: Boolean): GeomLayerBuilder {
myIsLegendDisabled = v
return this
}
fun yOrientation(v: Boolean): GeomLayerBuilder {
isYOrientation = v
return this
}
fun marginal(
isMarginal: Boolean,
marginalSide: MarginSide,
marginalSize: Double
): GeomLayerBuilder {
this.isMarginal = isMarginal
this.marginalSide = marginalSide
this.marginalSize = marginalSize
return this
}
fun annotationSpecification(
annotationSpec: AnnotationSpecification,
themeTextStyle: ThemeTextStyle
): GeomLayerBuilder {
myAnnotationsProvider = { dataAccess, dataFrame ->
AnnotationLine.createAnnotations(annotationSpec, dataAccess, dataFrame, themeTextStyle)
}
return this
}
fun colorByAes(aes: Aes<Color>): GeomLayerBuilder {
colorByAes = aes
return this
}
fun fillByAes(aes: Aes<Color>): GeomLayerBuilder {
fillByAes = aes
return this
}
fun geomTheme(geomTheme: GeomTheme): GeomLayerBuilder {
myGeomTheme = geomTheme
return this
}
fun build(
data: DataFrame,
scaleMap: Map<Aes<*>, Scale>,
scaleMapppersNP: Map<Aes<*>, ScaleMapper<*>>,
): GeomLayer {
val transformByAes: Map<Aes<*>, Transform> = scaleMap.keys.associateWith {
scaleMap.getValue(it).transform
}
@Suppress("NAME_SHADOWING")
var data = data
if (myDataPreprocessor != null) {
// Test and Demo
data = myDataPreprocessor!!(data, transformByAes)
}
// make sure 'original' series are transformed
data = DataProcessing.transformOriginals(data, myBindings, transformByAes)
val replacementBindings = HashMap(
// No 'origin' variables beyond this point.
// Replace all 'origin' variables in bindings with 'transform' variables
myBindings.associate {
it.aes to if (it.variable.isOrigin) {
val transformVar = DataFrameUtil.transformVarFor(it.aes)
VarBinding(transformVar, it.aes)
} else {
it
}
}
)
// add 'transform' variable for each 'stat' variable
val bindingsToPut = ArrayList<VarBinding>()
for (binding in replacementBindings.values) {
val variable = binding.variable
if (variable.isStat) {
val aes = binding.aes
val transform = transformByAes.getValue(aes)
val transformVar = TransformVar.forAes(aes)
data = DataFrameUtil.applyTransform(data, variable, transformVar, transform)
bindingsToPut.add(VarBinding(transformVar, aes))
}
}
// replace 'stat' vars with 'transform' vars in bindings
for (binding in bindingsToPut) {
replacementBindings[binding.aes] = binding
}
// (!) Positional aes scales have undefined `mapper` at this time because
// dimensions of plot are not yet known.
// Data Access shouldn't use aes mapper (!)
// val dataAccess = PointDataAccess(data, replacementBindings, scaleMap)
val groupingVariables = DataProcessing.defaultGroupingVariables(
data,
myBindings,
myPathIdVarName
)
val groupingContext = GroupingContext(data, groupingVariables, myGroupingVarName, handlesGroups())
return MyGeomLayer(
data,
geomProvider,
myGeomTheme,
posProvider,
groupingContext.groupMapper,
replacementBindings,
myConstantByAes,
scaleMap,
scaleMapppersNP,
myLocatorLookupSpec,
myContextualMappingProvider,
myIsLegendDisabled,
isYOrientation = isYOrientation,
isMarginal = isMarginal,
marginalSide = marginalSide,
marginalSize = marginalSize,
fontFamilyRegistry = fontFamilyRegistry,
colorByAes = colorByAes,
fillByAes = fillByAes,
annotationsProvider = myAnnotationsProvider
)
}
private fun handlesGroups(): Boolean {
return geomProvider.handlesGroups || posProvider.handlesGroups()
}
private class MyGeomLayer(
override val dataFrame: DataFrame,
geomProvider: GeomProvider,
geomTheme: GeomTheme,
override val posProvider: PosProvider,
override val group: (Int) -> Int,
private val varBindings: Map<Aes<*>, VarBinding>,
private val constantByAes: TypedKeyHashMap,
override val scaleMap: Map<Aes<*>, Scale>,
override val scaleMappersNP: Map<Aes<*>, ScaleMapper<*>>,
override val locatorLookupSpec: LookupSpec,
private val contextualMappingProvider: ContextualMappingProvider,
override val isLegendDisabled: Boolean,
override val isYOrientation: Boolean,
override val isMarginal: Boolean,
override val marginalSide: MarginSide,
override val marginalSize: Double,
override val fontFamilyRegistry: FontFamilyRegistry,
override val colorByAes: Aes<Color>,
override val fillByAes: Aes<Color>,
private val annotationsProvider: ((MappedDataAccess, DataFrame) -> Annotations?)?
) : GeomLayer {
override val geom: Geom = geomProvider.createGeom(
object : GeomProvider.Context() {
override fun hasBinding(aes: Aes<*>): Boolean = varBindings.containsKey(aes)
override fun hasConstant(aes: Aes<*>): Boolean = constantByAes.containsKey(aes)
}
)
override val geomKind: GeomKind = geomProvider.geomKind
override val aestheticsDefaults: AestheticsDefaults = AestheticsDefaults.create(geomKind, geomTheme)
private val myRenderedAes: List<Aes<*>> = GeomMeta.renders(
geomProvider.geomKind,
colorByAes, fillByAes,
exclude = geom.wontRender
)
override val legendKeyElementFactory: LegendKeyElementFactory
get() = geom.legendKeyElementFactory
override val isLiveMap: Boolean
get() = geom is LiveMapGeom
override fun renderedAes(considerOrientation: Boolean): List<Aes<*>> {
return if (considerOrientation && isYOrientation) {
myRenderedAes.map { YOrientationBaseUtil.flipAes(it) }
} else {
myRenderedAes
}
}
override fun hasBinding(aes: Aes<*>): Boolean {
return varBindings.containsKey(aes)
}
override fun <T> getBinding(aes: Aes<T>): VarBinding {
return varBindings[aes]!!
}
override fun hasConstant(aes: Aes<*>): Boolean {
return constantByAes.containsKey(aes)
}
override fun <T> getConstant(aes: Aes<T>): T {
require(hasConstant(aes)) { "Constant value is not defined for aes $aes" }
return constantByAes[aes]
}
override fun <T> getDefault(aes: Aes<T>): T {
return aestheticsDefaults.defaultValue(aes)
}
override fun preferableNullDomain(aes: Aes<*>): DoubleSpan {
@Suppress("NAME_SHADOWING")
val aes = aes.afterOrientation(isYOrientation)
return (geom as GeomBase).preferableNullDomain(aes)
}
override fun rangeIncludesZero(aes: Aes<*>): Boolean {
@Suppress("NAME_SHADOWING")
val aes = aes.afterOrientation(isYOrientation)
return geom.rangeIncludesZero(aes)
}
override fun setLiveMapProvider(liveMapProvider: LiveMapProvider) {
if (geom is LiveMapGeom) {
geom.setLiveMapProvider(liveMapProvider)
} else {
throw IllegalStateException("Not Livemap: " + geom::class.simpleName)
}
}
override fun createContextualMapping(): ContextualMapping {
val dataAccess = PointDataAccess(dataFrame, varBindings, scaleMap, isYOrientation)
return contextualMappingProvider.createContextualMapping(dataAccess, dataFrame)
}
override fun createAnnotations(): Annotations? {
return annotationsProvider?.let { provider ->
val dataAccess = PointDataAccess(dataFrame, varBindings, scaleMap, isYOrientation)
provider(dataAccess, dataFrame)
}
}
}
companion object {
fun demoAndTest(
geomProvider: GeomProvider,
stat: Stat,
posProvider: PosProvider = PosProvider.wrap(PositionAdjustments.identity()),
): GeomLayerBuilder {
val builder = GeomLayerBuilder(geomProvider, stat, posProvider, DefaultFontFamilyRegistry())
builder.myDataPreprocessor = { data, transformByAes ->
val transformedData = DataProcessing.transformOriginals(data, builder.myBindings, transformByAes)
when (builder.stat) {
Stats.IDENTITY -> transformedData
else -> {
val statCtx = SimpleStatContext(transformedData)
val groupingVariables = DataProcessing.defaultGroupingVariables(
data,
builder.myBindings,
builder.myPathIdVarName
)
val groupingCtx = GroupingContext(
transformedData,
groupingVariables,
builder.myGroupingVarName,
expectMultiple = true
)
val statInput = StatInput(
transformedData,
builder.myBindings,
transformByAes,
statCtx,
flipXY = false
)
val dataAndGroupingContext = DataProcessing.buildStatData(
statInput,
builder.stat,
groupingCtx,
facetVariables = emptyList(),
varsWithoutBinding = emptyList(),
orderOptions = emptyList(),
aggregateOperation = null,
::println
)
dataAndGroupingContext.data
}
}
}
return builder
}
}
}