1 files changed, 57 insertions, 0 deletions
diff --git a/fastadapter/src/main/kotlin/ca/allanwang/kau/adapters/SingleFastAdapter.kt b/fastadapter/src/main/kotlin/ca/allanwang/kau/adapters/SingleFastAdapter.kt
new file mode 100644
index 0000000..e183bde
--- /dev/null
+++ b/fastadapter/src/main/kotlin/ca/allanwang/kau/adapters/SingleFastAdapter.kt
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2019 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.adapters
+
+import com.mikepenz.fastadapter.FastAdapter
+import com.mikepenz.fastadapter.GenericItem
+import com.mikepenz.fastadapter.IAdapter
+import com.mikepenz.fastadapter.IItemAdapter
+import com.mikepenz.fastadapter.adapters.ItemAdapter
+import com.mikepenz.fastadapter.diff.FastAdapterDiffUtil
+
+/**
+ * Fast adapter with prewrapped item adapter
+ */
+class SingleFastAdapter private constructor(val adapter: ItemAdapter<GenericItem>) :
+    FastAdapter<GenericItem>(), IItemAdapter<GenericItem, GenericItem> by adapter {
+
+    constructor() : this(ItemAdapter())
+
+    var lastClearTime: Long = -1
+
+    init {
+        super.addAdapter(0, adapter)
+    }
+
+    override fun clear(): SingleFastAdapter {
+        if (itemCount != 0) {
+            adapter.clear()
+            lastClearTime = System.currentTimeMillis()
+        }
+        return this
+    }
+
+    override fun <A : IAdapter<GenericItem>> addAdapter(
+        index: Int,
+        adapter: A
+    ): FastAdapter<GenericItem> {
+        throw IllegalStateException("SingleFastAdapter only allows one adapter.")
+    }
+
+    fun setWithDiff(items: List<GenericItem>, detectMoves: Boolean = true) {
+        FastAdapterDiffUtil.set(adapter, items, detectMoves)
+    }
+}