1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
package com.android.tv.ui.sidepanel;
import android.app.Fragment;
import android.os.Bundle;
import android.support.v17.leanback.widget.VerticalGridView;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import com.android.tv.R;
import com.android.tv.TvActivity;
import java.util.List;
public abstract class SideFragment extends Fragment {
public SideFragment() { }
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.option_fragment, container, false);
TextView textView = (TextView) view.findViewById(R.id.side_panel_title);
textView.setText(getTitle());
VerticalGridView listView = (VerticalGridView) view.findViewById(R.id.side_panel_list);
listView.setAdapter(new ItemAdapter(inflater, getItemList()));
listView.requestFocus();
// TODO find a better way to do this
if (getFragmentManager().getBackStackEntryCount() != 0) {
view.findViewById(R.id.side_panel_shadow).setVisibility(View.GONE);
}
return view;
}
@Override
public void onDetach() {
super.onDetach();
// TODO find a better way to do this
if (getFragmentManager().getBackStackEntryCount() == 0) {
TvActivity tvActivity = getTvActivity();
tvActivity.onSideFragmentCanceled(BaseSideFragment.INITIATOR_UNKNOWN);
tvActivity.hideOverlays(false, false, true);
}
}
protected TvActivity getTvActivity() {
return (TvActivity) getActivity();
}
protected void notifyDataSetChanged() {
VerticalGridView listView = (VerticalGridView) getView().findViewById(R.id.side_panel_list);
listView.getAdapter().notifyDataSetChanged();
}
protected abstract String getTitle();
protected abstract List<Item> getItemList();
private static class ItemAdapter extends RecyclerView.Adapter<ItemAdapter.ViewHolder> {
private final LayoutInflater mLayoutInflater;
private final List<Item> mItems;
private ItemAdapter(LayoutInflater layoutInflater, List<Item> items) {
mLayoutInflater = layoutInflater;
mItems = items;
}
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View view = mLayoutInflater.inflate(viewType, parent, false);
final ViewHolder holder = new ViewHolder(view);
view.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if (holder.item instanceof RadioButtonItem) {
clearRadioGroup(holder.item);
}
holder.item.onSelected();
}
});
view.setOnFocusChangeListener(new View.OnFocusChangeListener() {
@Override
public void onFocusChange(View view, boolean focusGained) {
if (focusGained) {
holder.item.onFocused();
}
}
});
return holder;
}
@Override
public void onBindViewHolder(ViewHolder holder, int position) {
holder.item = getItem(position);
holder.item.bind(holder.itemView);
}
@Override
public void onViewRecycled(ViewHolder holder) {
holder.item.unbind();
holder.item = null;
}
@Override
public int getItemViewType(int position) {
return getItem(position).getResourceId();
}
@Override
public int getItemCount() {
return mItems == null ? 0 : mItems.size();
}
private Item getItem(int position) {
return mItems.get(position);
}
private void clearRadioGroup(Item item) {
int position = mItems.indexOf(item);
for (int i = position - 1; i >= 0; --i) {
if ((item = mItems.get(i)) instanceof RadioButtonItem) {
((RadioButtonItem) item).setChecked(false);
} else {
break;
}
}
for (int i = position + 1; i < mItems.size(); ++i) {
if ((item = mItems.get(i)) instanceof RadioButtonItem) {
((RadioButtonItem) item).setChecked(false);
} else {
break;
}
}
}
private static class ViewHolder extends RecyclerView.ViewHolder {
public Item item;
private ViewHolder(View view) {
super(view);
}
}
}
}
|
