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      1 /*
      2  * Copyright (C) 2013 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.gallery3d.filtershow.category;
     18 
     19 import android.app.Activity;
     20 import android.os.Bundle;
     21 import android.support.v4.app.Fragment;
     22 import android.view.LayoutInflater;
     23 import android.view.View;
     24 import android.view.ViewGroup;
     25 import android.widget.LinearLayout;
     26 import android.widget.ListView;
     27 import com.android.gallery3d.R;
     28 import com.android.gallery3d.filtershow.FilterShowActivity;
     29 
     30 public class CategoryPanel extends Fragment {
     31 
     32     public static final String FRAGMENT_TAG = "CategoryPanel";
     33     private static final String PARAMETER_TAG = "currentPanel";
     34 
     35     private int mCurrentAdapter = MainPanel.LOOKS;
     36     private CategoryAdapter mAdapter;
     37 
     38     public void setAdapter(int value) {
     39         mCurrentAdapter = value;
     40     }
     41 
     42     @Override
     43     public void onAttach(Activity activity) {
     44         super.onAttach(activity);
     45         loadAdapter(mCurrentAdapter);
     46     }
     47 
     48     private void loadAdapter(int adapter) {
     49         FilterShowActivity activity = (FilterShowActivity) getActivity();
     50         switch (adapter) {
     51             case MainPanel.LOOKS: {
     52                 mAdapter = activity.getCategoryLooksAdapter();
     53                 mAdapter.initializeSelection(MainPanel.LOOKS);
     54                 break;
     55             }
     56             case MainPanel.BORDERS: {
     57                 mAdapter = activity.getCategoryBordersAdapter();
     58                 mAdapter.initializeSelection(MainPanel.BORDERS);
     59                 break;
     60             }
     61             case MainPanel.GEOMETRY: {
     62                 mAdapter = activity.getCategoryGeometryAdapter();
     63                 mAdapter.initializeSelection(MainPanel.GEOMETRY);
     64                 break;
     65             }
     66             case MainPanel.FILTERS: {
     67                 mAdapter = activity.getCategoryFiltersAdapter();
     68                 mAdapter.initializeSelection(MainPanel.FILTERS);
     69                 break;
     70             }
     71         }
     72     }
     73 
     74     @Override
     75     public void onSaveInstanceState(Bundle state) {
     76         super.onSaveInstanceState(state);
     77         state.putInt(PARAMETER_TAG, mCurrentAdapter);
     78     }
     79 
     80     @Override
     81     public View onCreateView(LayoutInflater inflater, ViewGroup container,
     82                              Bundle savedInstanceState) {
     83         LinearLayout main = (LinearLayout) inflater.inflate(
     84                 R.layout.filtershow_category_panel_new, container,
     85                 false);
     86 
     87         if (savedInstanceState != null) {
     88             int selectedPanel = savedInstanceState.getInt(PARAMETER_TAG);
     89             loadAdapter(selectedPanel);
     90         }
     91 
     92         View panelView = main.findViewById(R.id.listItems);
     93         if (panelView instanceof CategoryTrack) {
     94             CategoryTrack panel = (CategoryTrack) panelView;
     95             mAdapter.setUseFilterIconButton(true);
     96             panel.setAdapter(mAdapter);
     97             mAdapter.setContainer(panel);
     98         } else {
     99             ListView panel = (ListView) main.findViewById(R.id.listItems);
    100             panel.setAdapter(mAdapter);
    101             mAdapter.setContainer(panel);
    102         }
    103         return main;
    104     }
    105 
    106 }
    107