From 3f144bdbeeda6057d244b6a6eabff7b1f73d32ba Mon Sep 17 00:00:00 2001
From: Allan Wang <me@allanwang.ca>
Date: Sat, 14 Sep 2019 13:05:03 -0700
Subject: Add initial binding

---
 .../fastadapter/databinding/FastBindingAdapter.kt  | 45 ++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 fastadapter-databinding/src/main/kotlin/ca/allanwang/fastadapter/databinding/FastBindingAdapter.kt

(limited to 'fastadapter-databinding/src/main/kotlin/ca/allanwang/fastadapter/databinding/FastBindingAdapter.kt')

diff --git a/fastadapter-databinding/src/main/kotlin/ca/allanwang/fastadapter/databinding/FastBindingAdapter.kt b/fastadapter-databinding/src/main/kotlin/ca/allanwang/fastadapter/databinding/FastBindingAdapter.kt
new file mode 100644
index 0000000..2270b5d
--- /dev/null
+++ b/fastadapter-databinding/src/main/kotlin/ca/allanwang/fastadapter/databinding/FastBindingAdapter.kt
@@ -0,0 +1,45 @@
+package ca.allanwang.fastadapter.databinding
+
+import com.mikepenz.fastadapter.FastAdapter
+import com.mikepenz.fastadapter.IAdapter
+import com.mikepenz.fastadapter.IItemAdapter
+import com.mikepenz.fastadapter.adapters.ItemAdapter
+import com.mikepenz.fastadapter.diff.FastAdapterDiffUtil
+
+class FastBindingAdapter private constructor(private val adapter: ItemAdapter<GenericBindingItem>) :
+    FastAdapter<GenericBindingItem>(),
+    IItemAdapter<GenericBindingItem, GenericBindingItem> by adapter {
+
+    constructor() : this(ItemAdapter())
+
+    var lastClearTime: Long = -1
+
+    init {
+        super.addAdapter(0, adapter)
+    }
+
+    override fun clear(): FastBindingAdapter {
+        if (itemCount != 0) {
+            adapter.clear()
+            lastClearTime = System.currentTimeMillis()
+        }
+        return this
+    }
+
+    override fun <A : IAdapter<GenericBindingItem>> addAdapter(
+        index: Int,
+        adapter: A
+    ): FastAdapter<GenericBindingItem> {
+        throw IllegalArgumentException("FastBindingAdapter only allows one adapter")
+    }
+
+    fun setWithDiff(items: List<GenericBindingItem>, detectMoves: Boolean = true) {
+        FastAdapterDiffUtil.set(
+            adapter,
+            items,
+            null,
+            detectMoves
+        )
+    }
+
+}
\ No newline at end of file
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