Resturcture

README.md

@@ -25,7 +25,7 @@ dependencies {
 Create reusable items for recyclerview.
 
 ```java
-public class TestItem extends ItemPool.Item<String> {
+public class TestItem extends Item<String> {
     TextView textView;
 
     @NonNull
@@ -51,13 +51,12 @@ Add itemtypes and data to the ItemPool. It will help the recyclerview automatica
 ItemPool items = new ItemPool();
 items.addType(TestItem.class);
 items.addType(TestItem2.class);
-items.onEvent(this);
 
-items.add(new Header());
-items.add("A");
-items.add("B");
+items.add(new TestData2());
+items.add(new TestData());
+items.add(new TestData2());
 
-recyclerView.setAdapter(items.getAdapter());
+items.attachTo(recyclerView);
 ```
 
 For more detail about handling of the item event, see the [sample here](sample/src/main/java/cn/nekocode/itempool/sample/MainActivity.java).

lib-itempool/build.gradle

@@ -10,8 +10,8 @@ android {
     defaultConfig {
         minSdkVersion 9
         targetSdkVersion 23
-        versionCode 21
-        versionName "0.3"
+        versionCode 40
+        versionName "0.4"
     }
     buildTypes {
         release {

lib-itempool/src/main/java/cn/nekocode/itempool/Item.java

@@ -0,0 +1,58 @@
+/*
+ * Copyright 2016 nekocode
+ *
+ * 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 cn.nekocode.itempool;
+
+import android.support.annotation.NonNull;
+import android.support.v7.widget.RecyclerView;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+/**
+ * Created by nekocode on 16/8/23.
+ */
+public abstract class Item<Data> {
+
+    protected class InternalViewHolder extends RecyclerView.ViewHolder {
+        protected final Item item;
+
+        public InternalViewHolder(View itemView) {
+            super(itemView);
+            this.item = Item.this;
+        }
+    }
+    private InternalViewHolder internalViewHolder;
+
+    @NonNull
+    public abstract View onCreateItemView(
+            @NonNull LayoutInflater inflater,
+            @NonNull ViewGroup parent);
+
+    public abstract void onBindItem(
+            @NonNull final RecyclerView.ViewHolder holder,
+            @NonNull final Data data,
+            ItemEventHandler eventHandler);
+
+    public ItemEvent event(int action, Object data) {
+        return new ItemEvent(action, data, internalViewHolder);
+    }
+
+    protected RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent) {
+        View itemView = onCreateItemView(LayoutInflater.from(parent.getContext()), parent);
+        internalViewHolder = new InternalViewHolder(itemView);
+        return internalViewHolder;
+    }
+}

lib-itempool/src/main/java/cn/nekocode/itempool/ItemAdapter.java

@@ -0,0 +1,87 @@
+/*
+ * Copyright 2016 nekocode
+ *
+ * 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 cn.nekocode.itempool;
+
+import android.support.v4.util.Pair;
+import android.support.v7.widget.RecyclerView;
+import android.view.View;
+import android.view.ViewGroup;
+
+/**
+ * Created by nekocode on 16/8/23.
+ */
+class ItemAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
+    private final ItemPool itemPool;
+
+    public ItemAdapter(ItemPool itemPool) {
+        this.itemPool = itemPool;
+    }
+
+    @Override
+    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+        Item item = newItem(itemPool.getItemClass(viewType));
+        return item.onCreateViewHolder(parent);
+    }
+
+    @Override
+    public void onBindViewHolder(final RecyclerView.ViewHolder holder, int position) {
+        final Object data = itemPool.get(position);
+        Pair<Class<? extends Item>, ItemEventHandler> pair = itemPool.getItemClass(data.getClass());
+
+        final Item item = ((Item.InternalViewHolder) holder).item;
+        final ItemEventHandler handler = pair.second;
+        item.onBindItem(holder, data, handler);
+
+        holder.itemView.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                if (handler != null)
+                    handler.onEvent(item.getClass(), new ItemEvent(ItemEvent.ITEM_CLICK, data, holder));
+            }
+        });
+
+        holder.itemView.setOnLongClickListener(new View.OnLongClickListener() {
+            @Override
+            public boolean onLongClick(View v) {
+                if (handler != null) {
+                    handler.onEvent(item.getClass(), new ItemEvent(ItemEvent.ITEM_LONGCLICK, data, holder));
+                    return true;
+                }
+                return false;
+            }
+        });
+    }
+
+    @Override
+    public int getItemCount() {
+        return itemPool.size();
+    }
+
+    @Override
+    public int getItemViewType(int position) {
+        return itemPool.getItemType(position);
+    }
+
+    private static <ItemToCreate extends Item> ItemToCreate newItem(Class<ItemToCreate> itemClass) {
+        Item item;
+        try {
+            item = itemClass.newInstance();
+        } catch (Exception e) {
+            throw new RuntimeException(e.getMessage());
+        }
+        return (ItemToCreate) item;
+    }
+}

lib-itempool/src/main/java/cn/nekocode/itempool/ItemEventHandler.java

@@ -23,6 +23,6 @@
 public interface ItemEventHandler {
 
     void onEvent(
-            @NonNull Class<? extends ItemPool.Item> clazz,
+            @NonNull Class<? extends Item> clazz,
             @NonNull ItemEvent event);
 }