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Updated on 2026-08-14

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Tangem 2022-05-18 21:31:21 +03:00
parent 15b5d45d35
commit ea834a0636
15 changed files with 343 additions and 266 deletions
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72
app/src/main/java/com/tangem/tap/common/recyclerView/SpaceItemDecoration.kt Normal file
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package com.tangem.tap.common.recyclerView
import android.graphics.Rect
import android.view.View
import androidx.recyclerview.widget.RecyclerView
import com.tangem.tangem_sdk_new.extensions.dpToPx
class SpaceItemDecoration(
private val horizontalSpaceDp: Float,
private val verticalSpaceDp: Float,
) : RecyclerView.ItemDecoration() {
private lateinit var space: Space
override fun getItemOffsets(
outRect: Rect,
view: View,
parent: RecyclerView,
state: RecyclerView.State
) {
if (state.itemCount == 0) return
if (!::space.isInitialized) {
space = Space(
view.dpToPx(horizontalSpaceDp).toInt(),
view.dpToPx(verticalSpaceDp).toInt()
)
}
outRect.left = space.horizontal
outRect.right = space.horizontal
when (state.itemCount) {
1 -> {
outRect.top = space.vertical
outRect.bottom = space.vertical
}
else -> {
val adapterPosition = parent.getChildAdapterPosition(view)
if (adapterPosition == -1) return
when (adapterPosition) {
0 -> {
// first
outRect.top = space.vertical
outRect.bottom = space.vertical / 2
}
state.itemCount - 1 -> {
// last
outRect.top = space.vertical / 2
outRect.bottom = space.vertical
}
else -> {
// middle
outRect.top = space.vertical / 2
outRect.bottom = space.vertical / 2
}
}
}
}
}
private data class Space(
val horizontal: Int,
val vertical: Int,
)
companion object {
fun all(dp: Float): SpaceItemDecoration = SpaceItemDecoration(dp, dp)
fun vertical(dp: Float): SpaceItemDecoration = SpaceItemDecoration(0f, dp)
fun horizontal(dp: Float): SpaceItemDecoration = SpaceItemDecoration(dp, 0f)
}
}