parent
eb15fe3898
commit
05b14bae7b
@ -1,83 +0,0 @@
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package eu.kanade.tachiyomi.widget
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import android.content.Context
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import android.graphics.Canvas
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import android.graphics.Rect
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import android.graphics.drawable.Drawable
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import android.support.v7.widget.LinearLayoutManager
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import android.support.v7.widget.RecyclerView
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import android.util.AttributeSet
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import android.view.View
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class DividerItemDecoration : RecyclerView.ItemDecoration {
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private val divider: Drawable?
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constructor(context: Context, attrs: AttributeSet) {
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val a = context.obtainStyledAttributes(attrs, intArrayOf(android.R.attr.listDivider))
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divider = a.getDrawable(0)
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a.recycle()
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}
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constructor(divider: Drawable) {
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this.divider = divider
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}
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override fun getItemOffsets(outRect: Rect, view: View, parent: RecyclerView, state: RecyclerView.State?) {
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super.getItemOffsets(outRect, view, parent, state)
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if (divider == null) return
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if (parent.getChildPosition(view) < 1) return
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if (getOrientation(parent) == LinearLayoutManager.VERTICAL)
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outRect.top = divider.intrinsicHeight
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else
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outRect.left = divider.intrinsicWidth
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}
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override fun onDrawOver(c: Canvas, parent: RecyclerView, state: RecyclerView.State?) {
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if (divider == null) {
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super.onDrawOver(c, parent, state)
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return
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}
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if (getOrientation(parent) == LinearLayoutManager.VERTICAL) {
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val left = parent.paddingLeft
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val right = parent.width - parent.paddingRight
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val childCount = parent.childCount
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val dividerHeight = divider.intrinsicHeight
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for (i in 1..childCount - 1) {
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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 ty = (child.translationY + 0.5f).toInt()
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val top = child.top - params.topMargin + ty
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val bottom = top + dividerHeight
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divider.setBounds(left, top, right, bottom)
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divider.draw(c)
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}
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} else { //horizontal
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val top = parent.paddingTop
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val bottom = parent.height - parent.paddingBottom
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val childCount = parent.childCount
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for (i in 1..childCount - 1) {
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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 size = divider.intrinsicWidth
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val left = child.left - params.leftMargin
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val right = left + size
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divider.setBounds(left, top, right, bottom)
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divider.draw(c)
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}
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}
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}
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private fun getOrientation(parent: RecyclerView): Int {
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if (parent.layoutManager is LinearLayoutManager) {
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val layoutManager = parent.layoutManager as LinearLayoutManager
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return layoutManager.orientation
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} else
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throw IllegalStateException("DividerItemDecoration can only be used with a LinearLayoutManager.")
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}
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}
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