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/*
* Copyright 2018 Allan Wang
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package ca.allanwang.kau.utils
import android.graphics.Rect
import android.view.View
import androidx.recyclerview.widget.RecyclerView
/**
* Created by Allan Wang on 2017-07-11.
*/
fun RecyclerView.withMarginDecoration(sizeDp: Int, edgeFlags: Int) {
addItemDecoration(MarginItemDecoration(sizeDp, edgeFlags))
}
class MarginItemDecoration(sizeDp: Int, val edgeFlags: Int) : RecyclerView.ItemDecoration() {
private val sizePx = sizeDp.dpToPx
override fun getItemOffsets(outRect: Rect, view: View, parent: RecyclerView, state: RecyclerView.State) {
super.getItemOffsets(outRect, view, parent, state)
if (edgeFlags and KAU_LEFT > 0) outRect.left += sizePx
if (edgeFlags and KAU_TOP > 0) outRect.top += sizePx
if (edgeFlags and KAU_RIGHT > 0) outRect.right += sizePx
if (edgeFlags and KAU_BOTTOM > 0) outRect.bottom += sizePx
}
}
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