commonMain.jetbrains.datalore.plot.config.PosProto.kt Maven / Gradle / Ivy

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/*
 * Copyright (c) 2019. 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.config

import jetbrains.datalore.plot.base.pos.PositionAdjustments
import jetbrains.datalore.plot.builder.assemble.PosProvider

internal object PosProto {
    // position adjustments
    private const val IDENTITY = "identity"
    private const val STACK = "stack"
    private const val DODGE = "dodge"
    private const val FILL = "fill"
    private const val NUDGE = "nudge"
    private const val JITTER = "jitter"
    private const val JITTER_DODGE = "jitterdodge"

    // option names
    private const val DODGE_WIDTH = "width"
    private const val JITTER_WIDTH = "width"
    private const val JITTER_HEIGHT = "height"
    private const val NUDGE_WIDTH = "x"
    private const val NUDGE_HEIGHT = "y"
    private const val JD_DODGE_WIDTH = "dodge_width"
    private const val JD_JITTER_WIDTH = "jitter_width"
    private const val JD_JITTER_HEIGHT = "jitter_height"

    fun createPosProvider(posName: String, options: Map): PosProvider {
        val opts = OptionsAccessor(options)
        return when (posName) {
            IDENTITY -> PosProvider.wrap(PositionAdjustments.identity())
            STACK -> PosProvider.barStack()
            DODGE -> PosProvider.dodge(opts.getDouble(DODGE_WIDTH))
            FILL -> PosProvider.fill()
            JITTER -> PosProvider.jitter(
                opts.getDouble(JITTER_WIDTH), opts.getDouble(
                    JITTER_HEIGHT
                )
            )
            NUDGE -> PosProvider.nudge(
                opts.getDouble(NUDGE_WIDTH), opts.getDouble(
                    NUDGE_HEIGHT
                )
            )
            JITTER_DODGE -> PosProvider.jitterDodge(
                opts.getDouble(JD_DODGE_WIDTH), opts.getDouble(
                    JD_JITTER_WIDTH
                ), opts.getDouble(JD_JITTER_HEIGHT)
            )
            else -> throw IllegalArgumentException("Unknown position adjustments name: '$posName'")
        }
    }
}