commonMain.jetbrains.datalore.plot.builder.guide.LegendBoxSpec.kt Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of lets-plot-common Show documentation

Lets-Plot JVM package without rendering part

There is a newer version: 4.5.3-alpha1

/*
 * 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.guide

import jetbrains.datalore.base.gcommon.base.Strings
import jetbrains.datalore.base.geometry.DoubleRectangle
import jetbrains.datalore.base.geometry.DoubleVector
import jetbrains.datalore.plot.builder.theme.LegendTheme

abstract class LegendBoxSpec(val title: String, val theme: LegendTheme) {
    val contentOrigin: DoubleVector
    private val myFullContentExtend: DoubleVector

    private val myInnerOrigin: DoubleVector
    private val myInnerContentExtend: DoubleVector

    internal abstract val layout: LegendBoxLayout

    private val contentSize: DoubleVector
        get() = layout.size


    val size: DoubleVector
        get() = contentSize.add(myFullContentExtend)

    val innerBounds: DoubleRectangle
        get() = DoubleRectangle(myInnerOrigin, contentSize.add(myInnerContentExtend))

    val contentBounds: DoubleRectangle
        get() = DoubleRectangle(contentOrigin, contentSize)

    init {
        val contentExpand = theme.margin() + theme.padding()
        contentOrigin = DoubleVector(contentExpand, contentExpand)
        myFullContentExtend = DoubleVector(contentExpand * 2, contentExpand * 2)

        myInnerOrigin = DoubleVector(theme.margin(), theme.margin())
        myInnerContentExtend = DoubleVector(theme.padding() * 2, theme.padding() * 2)
    }

    fun hasTitle(): Boolean {
        return !Strings.isNullOrEmpty(title)
    }
}