Add Preference

app/src/main/java/com/hippo/scene/preference/PreferenceHeaderScene.java

@@ -0,0 +1,126 @@
+/*
+ * Copyright (C) 2015 Hippo Seven
+ *
+ * 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
+ * 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 com.hippo.scene.preference;
+
+import android.annotation.NonNull;
+import android.os.Bundle;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import com.hippo.effect.ripple.RippleSalon;
+import com.hippo.ehviewer.R;
+import com.hippo.scene.AppbarScene;
+import com.hippo.scene.SimpleCurtain;
+import com.hippo.scene.StageActivity;
+import com.hippo.util.ViewUtils;
+import com.hippo.widget.recyclerview.EasyRecyclerView;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+public class PreferenceHeaderScene extends AppbarScene {
+
+    private StageActivity mActivity;
+
+    private EasyRecyclerView mRecyclerView;
+
+    private HeaderAdapter mHeaderAdapter;
+
+    private List<PreferenceHeader> mHeaderList = new ArrayList<>();
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        mActivity = getStageActivity();
+
+        mRecyclerView = new EasyRecyclerView(getStageActivity());
+        setContentView(mRecyclerView);
+
+        mHeaderAdapter = new HeaderAdapter();
+        mRecyclerView.setAdapter(mHeaderAdapter);
+        mRecyclerView.setLayoutManager(new LinearLayoutManager(mActivity, LinearLayoutManager.VERTICAL, false));
+        mRecyclerView.setClipToPadding(false);
+        mRecyclerView.setOnItemClickListener(new EasyRecyclerView.OnItemClickListener() {
+            @Override
+            public boolean onItemClick(EasyRecyclerView parent, View view, int position, long id) {
+                Class clazz = mHeaderList.get(position).getPreferenceClazz();
+                if (clazz == null) {
+                    return false;
+                } else {
+                    startScene(clazz, null, new SimpleCurtain(SimpleCurtain.DIRECTION_BOTTOM));
+                    return true;
+                }
+            }
+        });
+        mRecyclerView.setSelector(RippleSalon.generateRippleDrawable(mActivity, false));
+    }
+
+    @Override
+    protected void onGetFitPaddingBottom(int b) {
+        mRecyclerView.setPadding(mRecyclerView.getPaddingLeft(),
+                mRecyclerView.getPaddingTop(),
+                mRecyclerView.getPaddingRight(), b);
+    }
+
+    public void setPreferenceHeaders(@NonNull PreferenceHeader[] preferenceHeaders) {
+        mHeaderList.clear();
+        Collections.addAll(mHeaderList, preferenceHeaders);
+        mHeaderAdapter.notifyDataSetChanged();
+    }
+
+    private static class HeaderHolder extends RecyclerView.ViewHolder {
+
+        public final ImageView icon;
+        public final TextView title;
+        public final View tileDivider;
+
+        public HeaderHolder(View itemView) {
+            super(itemView);
+
+            icon = (ImageView) itemView.findViewById(R.id.icon);
+            title = (TextView) itemView.findViewById(R.id.title);
+            tileDivider = itemView.findViewById(R.id.tile_divider);
+        }
+    }
+
+    private class HeaderAdapter extends RecyclerView.Adapter<HeaderHolder> {
+
+        @Override
+        public HeaderHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+            View view = LayoutInflater.from(mActivity).inflate(R.layout.preference_header, parent, false);
+            return new HeaderHolder(view);
+        }
+
+        @Override
+        public void onBindViewHolder(HeaderHolder holder, int position) {
+            holder.icon.setImageDrawable(mHeaderList.get(position).getIcon());
+            holder.title.setText(mHeaderList.get(position).getTitle());
+            ViewUtils.setVisibility(holder.tileDivider, position == getItemCount() - 1 ? View.INVISIBLE : View.VISIBLE);
+        }
+
+        @Override
+        public int getItemCount() {
+            return mHeaderList.size();
+        }
+    }
+}