1/*
2 * Copyright (C) 2008 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
17package android.widget.listview;
18
19import android.app.Activity;
20import android.os.Bundle;
21import android.util.InternalSelectionView;
22import android.view.View;
23import android.view.ViewGroup;
24import android.widget.BaseAdapter;
25import android.widget.LinearLayout;
26import android.widget.ListView;
27
28/**
29 * Most bodacious scenario yet!
30 */
31public class AdjacentListsWithAdjacentISVsInside extends Activity {
32
33    private ListView mLeftListView;
34    private ListView mRightListView;
35
36    public ListView getLeftListView() {
37        return mLeftListView;
38    }
39
40    public ListView getRightListView() {
41        return mRightListView;
42    }
43
44    public InternalSelectionView getLeftIsv() {
45        return (InternalSelectionView)
46                ((ViewGroup) mLeftListView.getChildAt(0)).getChildAt(0);
47    }
48
49    public InternalSelectionView getLeftMiddleIsv() {
50        return (InternalSelectionView)
51                ((ViewGroup) mLeftListView.getChildAt(0)).getChildAt(1);
52    }
53
54    public InternalSelectionView getRightMiddleIsv() {
55        return (InternalSelectionView)
56                ((ViewGroup) mRightListView.getChildAt(0)).getChildAt(0);
57    }
58
59    public InternalSelectionView getRightIsv() {
60        return (InternalSelectionView)
61                ((ViewGroup) mRightListView.getChildAt(0)).getChildAt(1);
62    }
63
64    @Override
65    protected void onCreate(Bundle savedInstanceState) {
66        super.onCreate(savedInstanceState);
67
68        final int desiredHeight = (int) (0.8 * getWindowManager().getDefaultDisplay().getHeight());
69
70        mLeftListView = new ListView(this);
71        mLeftListView.setAdapter(new AdjacentISVAdapter(desiredHeight));
72        mLeftListView.setItemsCanFocus(true);
73
74
75        mRightListView = new ListView(this);
76        mRightListView.setAdapter(new AdjacentISVAdapter(desiredHeight));
77        mRightListView.setItemsCanFocus(true);
78
79
80
81        setContentView(combineAdjacent(mLeftListView, mRightListView));
82        getWindow().getDecorView().restoreDefaultFocus();
83    }
84
85    private static View combineAdjacent(View... views) {
86        if (views.length < 2) {
87            throw new IllegalArgumentException("you should pass at least 2 views in");
88        }
89
90        final LinearLayout ll = new LinearLayout(views[0].getContext());
91        ll.setOrientation(LinearLayout.HORIZONTAL);
92        final LinearLayout.LayoutParams lp =
93                new LinearLayout.LayoutParams(0, ViewGroup.LayoutParams.WRAP_CONTENT, 1.0f);
94
95        for (View view : views) {
96            ll.addView(view, lp);
97        }
98        return ll;
99    }
100
101    static class AdjacentISVAdapter extends BaseAdapter {
102
103        private final int mItemHeight;
104
105        AdjacentISVAdapter(int itemHeight) {
106            mItemHeight = itemHeight;
107        }
108
109        public int getCount() {
110            return 1;
111        }
112
113        public Object getItem(int position) {
114            return position;
115        }
116
117        public long getItemId(int position) {
118            return position;
119        }
120
121        public View getView(int position, View convertView, ViewGroup parent) {
122            final InternalSelectionView isvLeft = new InternalSelectionView(
123                    parent.getContext(), 5, "isv left");
124            isvLeft.setDesiredHeight(mItemHeight);
125            final InternalSelectionView isvRight = new InternalSelectionView(
126                    parent.getContext(), 5, "isv right");
127            isvRight.setDesiredHeight(mItemHeight);
128            return combineAdjacent(isvLeft, isvRight);
129        }
130    }
131}
132