package com.moral.andbrickslib.baseadapter.headandfooter;
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import android.support.v7.widget.GridLayoutManager;
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/**
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* Created by cundong on 2015/10/23.
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* <p/>
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* RecyclerView为GridLayoutManager时，设置了HeaderView，就会用到这个SpanSizeLookup
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*/
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public class HeaderSpanSizeLookup extends GridLayoutManager.SpanSizeLookup {
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private HeaderAndFooterRecyclerViewAdapter adapter;
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private int mSpanSize = 1;
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public HeaderSpanSizeLookup(HeaderAndFooterRecyclerViewAdapter adapter, int spanSize) {
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this.adapter = adapter;
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this.mSpanSize = spanSize;
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}
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@Override
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public int getSpanSize(int position) {
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boolean isHeaderOrFooter = adapter.isHeader(position) || adapter.isFooter(position);
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return isHeaderOrFooter ? mSpanSize : 1;
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}
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}
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