65 lines
1.7 KiB
Kotlin
65 lines
1.7 KiB
Kotlin
package jp.juggler.subwaytooter.view
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import android.content.Context
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import android.graphics.Canvas
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import android.graphics.Paint
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import android.graphics.Rect
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import android.view.View
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import androidx.recyclerview.widget.RecyclerView
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import jp.juggler.subwaytooter.R
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import jp.juggler.util.attrDrawable
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class ListDivider(context : Context) : RecyclerView.ItemDecoration() {
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companion object {
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var color : Int = 0
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var height : Int = 0
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var marginH : Int = 0
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}
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private val drawable = context.attrDrawable( R.attr.colorSettingDivider)
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private val paint = Paint()
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private val rect = Rect()
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init {
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val density = context.resources.displayMetrics.density
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height = (density * 1f + 0.5f).toInt()
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marginH = (density * 12f + 0.5f).toInt()
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paint.style = Paint.Style.FILL
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paint.isAntiAlias = true
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}
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override fun getItemOffsets(
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outRect : Rect,
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view : View,
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parent : RecyclerView,
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state : RecyclerView.State
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) {
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outRect.set(0, 0, 0, height)
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}
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override fun onDraw(canvas : Canvas, parent : RecyclerView, state : RecyclerView.State) {
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val left = parent.paddingLeft + marginH
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val right = parent.width - parent.paddingRight - marginH
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if(color != 0) {
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paint.color = color
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}
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for(i in 0 until parent.childCount) {
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val child = parent.getChildAt(i)
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val params = child.layoutParams as RecyclerView.LayoutParams
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val top = child.bottom + params.bottomMargin
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val bottom = top + height
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if(color != 0) {
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rect.set(left, top, right, bottom)
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canvas.drawRect(rect, paint)
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} else {
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drawable.setBounds(left, top, right, bottom)
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drawable.draw(canvas)
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}
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}
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}
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} |