Header Footer 设置为可点击

AlanCheen · Oct 18, 2022 · 620a0ae · 620a0ae
1 parent 007cd77
commit 620a0ae
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Showing 2 changed files with 37 additions and 11 deletions.
diff --git a/app/src/main/java/me/yifeiyuan/flapdev/testcases/HeaderFooterTestcase.kt b/app/src/main/java/me/yifeiyuan/flapdev/testcases/HeaderFooterTestcase.kt
@@ -30,9 +30,17 @@ class HeaderFooterTestcase : BaseTestcaseFragment() {
         val headerView = LayoutInflater.from(activity).inflate(R.layout.header_layout, null, false)
         headerFooterAdapter.setupHeaderView(headerView)
 
+        headerView.setOnClickListener {
+            Log.d(TAG, "onInit: HeaderView clicked")
+        }
+
         val footerView = LayoutInflater.from(activity).inflate(R.layout.footer_layout, null, false)
         headerFooterAdapter.setupFooterView(footerView)
 
+        footerView.setOnClickListener {
+            Log.d(TAG, "onInit: FooterView clicked")
+        }
+
         //需要处理偏移量
         adapter.doOnItemClick { recyclerView, childView, position ->
             Log.d(TAG, "doOnItemClick called with: childView = $childView, position = $position")
@@ -49,6 +57,8 @@ class HeaderFooterTestcase : BaseTestcaseFragment() {
             toast("点击了 position = $position，model=${adapter.getItemData(realPosition)}")
         }
 
+        switchLayoutManager(1)
+
         recyclerView.adapter = headerFooterAdapter
 
         SwipeDragHelper(headerFooterAdapter)
@@ -81,14 +91,13 @@ class HeaderFooterTestcase : BaseTestcaseFragment() {
                 }
                 .attachToRecyclerView(recyclerView)
 
-        // 需要处理 SpanSize
-        gridLayoutManager.spanSizeLookup = object : GridLayoutManager.SpanSizeLookup() {
-            override fun getSpanSize(position: Int): Int {
-                return if (headerFooterAdapter.isHeaderOrFooter(position)) gridLayoutManager.spanCount else 1
-            }
-        }
+        // 如果默认不是 GridLayoutManager，则需要处理 SpanSize
+//        gridLayoutManager.spanSizeLookup = object : GridLayoutManager.SpanSizeLookup() {
+//            override fun getSpanSize(position: Int): Int {
+//                return if (headerFooterAdapter.isHeaderOrFooter(position)) gridLayoutManager.spanCount else 1
+//            }
+//        }
 
-        switchLayoutManager(0)
     }
 
     override fun createRefreshData(size: Int): MutableList<Any> {

diff --git a/flap/src/main/java/me/yifeiyuan/flap/ext/HeaderFooterAdapter.kt b/flap/src/main/java/me/yifeiyuan/flap/ext/HeaderFooterAdapter.kt
@@ -119,6 +119,23 @@ class HeaderFooterAdapter(var adapter: FlapAdapter) : RecyclerView.Adapter<Recyc
         super.onAttachedToRecyclerView(recyclerView)
         attachingRecyclerView = recyclerView
         adapter.onAttachedToRecyclerView(recyclerView)
+
+        when (recyclerView.layoutManager) {
+            is GridLayoutManager -> {
+                (recyclerView.layoutManager as GridLayoutManager).apply {
+                    val preSpanSizeLookup = spanSizeLookup
+                    spanSizeLookup = object : GridLayoutManager.SpanSizeLookup() {
+                        override fun getSpanSize(position: Int): Int {
+                            if (this@HeaderFooterAdapter.isHeaderOrFooter(position)){
+                                return spanCount
+                            }else {
+                                return preSpanSizeLookup?.getSpanSize(position) ?: 1
+                            }
+                        }
+                    }
+                }
+            }
+        }
     }
 
     override fun onDetachedFromRecyclerView(recyclerView: RecyclerView) {
@@ -235,11 +252,11 @@ class HeaderViewHolder(view: View) : RecyclerView.ViewHolder(view), ComponentCon
     }
 
     override fun isClickable(): Boolean {
-        return false
+        return true
     }
 
     override fun isLongClickable(): Boolean {
-        return false
+        return true
     }
 }
 
@@ -254,10 +271,10 @@ class FooterViewHolder(view: View) : RecyclerView.ViewHolder(view), ComponentCon
     }
 
     override fun isClickable(): Boolean {
-        return false
+        return true
     }
 
     override fun isLongClickable(): Boolean {
-        return false
+        return true
     }
 }