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 android.support.v4.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 
setAdapter(int value)42     public void setAdapter(int value) {
43         mCurrentAdapter = value;
44     }
45 
46     @Override
onAttach(Activity activity)47     public void onAttach(Activity activity) {
48         super.onAttach(activity);
49         loadAdapter(mCurrentAdapter);
50     }
51 
loadAdapter(int adapter)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
onSaveInstanceState(Bundle state)97     public void onSaveInstanceState(Bundle state) {
98         super.onSaveInstanceState(state);
99         state.putInt(PARAMETER_TAG, mCurrentAdapter);
100     }
101 
102     @Override
onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)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
onClick(View v)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 
updateAddButtonVisibility()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