src/com/android/gallery3d/filtershow/category/CategoryPanel.java

   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 }