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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.graphics.Rect;
     21 import android.os.Bundle;
     22 import androidx.fragment.app.Fragment;
     23 import android.view.LayoutInflater;
     24 import android.view.View;
     25 import android.view.ViewGroup;
     26 import android.widget.ImageButton;
     27 import android.widget.LinearLayout;
     28 import android.widget.ListView;
     29 import android.widget.TextView;
     30 import com.android.gallery3d.R;
     31 import com.android.gallery3d.filtershow.FilterShowActivity;
     32 
     33 public class CategoryPanel extends Fragment implements View.OnClickListener {
     34 
     35     public static final String FRAGMENT_TAG = "CategoryPanel";
     36     private static final String PARAMETER_TAG = "currentPanel";
     37 
     38     private int mCurrentAdapter = MainPanel.LOOKS;
     39     private CategoryAdapter mAdapter;
     40     private IconView mAddButton;
     41 
     42     public void setAdapter(int value) {
     43         mCurrentAdapter = value;
     44     }
     45 
     46     @Override
     47     public void onAttach(Activity activity) {
     48         super.onAttach(activity);
     49         loadAdapter(mCurrentAdapter);
     50     }
     51 
     52     public void loadAdapter(int adapter) {
     53         FilterShowActivity activity = (FilterShowActivity) getActivity();
     54         switch (adapter) {
     55             case MainPanel.LOOKS: {
     56                 mAdapter = activity.getCategoryLooksAdapter();
     57                 if (mAdapter != null) {
     58                     mAdapter.initializeSelection(MainPanel.LOOKS);
     59                 }
     60                 activity.updateCategories();
     61                 break;
     62             }
     63             case MainPanel.BORDERS: {
     64                 mAdapter = activity.getCategoryBordersAdapter();
     65                 if (mAdapter != null) {
     66                     mAdapter.initializeSelection(MainPanel.BORDERS);
     67                 }
     68                 activity.updateCategories();
     69                 break;
     70             }
     71             case MainPanel.GEOMETRY: {
     72                 mAdapter = activity.getCategoryGeometryAdapter();
     73                 if (mAdapter != null) {
     74                     mAdapter.initializeSelection(MainPanel.GEOMETRY);
     75                 }
     76                 break;
     77             }
     78             case MainPanel.FILTERS: {
     79                 mAdapter = activity.getCategoryFiltersAdapter();
     80                 if (mAdapter != null) {
     81                     mAdapter.initializeSelection(MainPanel.FILTERS);
     82                 }
     83                 break;
     84             }
     85             case MainPanel.VERSIONS: {
     86                 mAdapter = activity.getCategoryVersionsAdapter();
     87                 if (mAdapter != null) {
     88                     mAdapter.initializeSelection(MainPanel.VERSIONS);
     89                 }
     90                 break;
     91             }
     92         }
     93         updateAddButtonVisibility();
     94     }
     95 
     96     @Override
     97     public void onSaveInstanceState(Bundle state) {
     98         super.onSaveInstanceState(state);
     99         state.putInt(PARAMETER_TAG, mCurrentAdapter);
    100     }
    101 
    102     @Override
    103     public View onCreateView(LayoutInflater inflater, ViewGroup container,
    104                              Bundle savedInstanceState) {
    105         LinearLayout main = (LinearLayout) inflater.inflate(
    106                 R.layout.filtershow_category_panel_new, container,
    107                 false);
    108 
    109         if (savedInstanceState != null) {
    110             int selectedPanel = savedInstanceState.getInt(PARAMETER_TAG);
    111             loadAdapter(selectedPanel);
    112         }
    113 
    114         View panelView = main.findViewById(R.id.listItems);
    115         if (panelView instanceof CategoryTrack) {
    116             CategoryTrack panel = (CategoryTrack) panelView;
    117             if (mAdapter != null) {
    118                 mAdapter.setOrientation(CategoryView.HORIZONTAL);
    119                 panel.setAdapter(mAdapter);
    120                 mAdapter.setContainer(panel);
    121             }
    122         } else if (mAdapter != null) {
    123             ListView panel = (ListView) main.findViewById(R.id.listItems);
    124             panel.setAdapter(mAdapter);
    125             mAdapter.setContainer(panel);
    126         }
    127 
    128         mAddButton = (IconView) main.findViewById(R.id.addButton);
    129         if (mAddButton != null) {
    130             mAddButton.setOnClickListener(this);
    131             updateAddButtonVisibility();
    132         }
    133         return main;
    134     }
    135 
    136     @Override
    137     public void onClick(View v) {
    138         switch (v.getId()) {
    139             case R.id.addButton:
    140                 FilterShowActivity activity = (FilterShowActivity) getActivity();
    141                 activity.addCurrentVersion();
    142                 break;
    143         }
    144     }
    145 
    146     public void updateAddButtonVisibility() {
    147         if (mAddButton == null) {
    148             return;
    149         }
    150         FilterShowActivity activity = (FilterShowActivity) getActivity();
    151         if (activity.isShowingImageStatePanel() && mAdapter.showAddButton()) {
    152             mAddButton.setVisibility(View.VISIBLE);
    153             if (mAdapter != null) {
    154                 mAddButton.setText(mAdapter.getAddButtonText());
    155             }
    156         } else {
    157             mAddButton.setVisibility(View.GONE);
    158         }
    159     }
    160 }
    161