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
|
/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.datetimepicker.date;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.drawable.StateListDrawable;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;
import com.android.datetimepicker.R;
import com.android.datetimepicker.date.DatePickerDialog.OnDateChangedListener;
import java.util.ArrayList;
import java.util.List;
/**
* Displays a selectable list of years.
*/
public class YearPickerView extends ListView implements OnItemClickListener, OnDateChangedListener {
private final DatePickerController mController;
private YearAdapter mAdapter;
private int mViewSize;
private int mChildSize;
private TextViewWithCircularIndicator mSelectedView;
/**
* @param context
*/
public YearPickerView(Context context, DatePickerController controller) {
super(context);
mController = controller;
mController.registerOnDateChangedListener(this);
setVerticalFadingEdgeEnabled(true);
ViewGroup.LayoutParams frame = new ViewGroup.LayoutParams(LayoutParams.MATCH_PARENT,
LayoutParams.WRAP_CONTENT);
setLayoutParams(frame);
Resources res = context.getResources();
mViewSize = res.getDimensionPixelOffset(R.dimen.pager_height);
mChildSize = res.getDimensionPixelOffset(R.dimen.year_label_height);
setFadingEdgeLength(mChildSize / 3);
init(context);
setOnItemClickListener(this);
setSelector(new StateListDrawable());
setDividerHeight(0);
onDateChanged();
}
private void init(Context context) {
ArrayList<String> years = new ArrayList<String>();
for (int year = mController.getMinYear(); year <= mController.getMaxYear(); year++) {
years.add(Integer.valueOf(year).toString());
}
mAdapter = new YearAdapter(context, R.layout.year_label_text_view, years);
setAdapter(mAdapter);
}
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
mController.tryVibrate();
TextViewWithCircularIndicator clickedView = (TextViewWithCircularIndicator) view;
if (mSelectedView != clickedView) {
mSelectedView.drawIndicator(false);
mSelectedView.requestLayout();
clickedView.drawIndicator(true);
clickedView.requestLayout();
mSelectedView = clickedView;
}
mController.onYearSelected(getYearFromTextView(clickedView));
mAdapter.notifyDataSetChanged();
}
private int getYearFromTextView(TextView view) {
return Integer.valueOf(view.getText().toString());
}
private class YearAdapter extends ArrayAdapter<String> {
public YearAdapter(Context context, int resource, List<String> objects) {
super(context, resource, objects);
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
TextViewWithCircularIndicator v = (TextViewWithCircularIndicator)
super.getView(position, convertView, parent);
v.requestLayout();
int year = getYearFromTextView(v);
boolean selected = mController.getSelectedDay().year == year;
v.drawIndicator(selected);
if (selected) {
mSelectedView = v;
}
return v;
}
}
public void postSetSelection(final int position) {
post(new Runnable() {
@Override
public void run() {
setSelection(position);
requestLayout();
}
});
}
public void postSetSelectionFromTop(final int position) {
post(new Runnable() {
@Override
public void run() {
setSelectionFromTop(position, mViewSize / 2 - mChildSize / 2);
requestLayout();
}
});
}
@Override
public void onDateChanged() {
mAdapter.notifyDataSetChanged();
postSetSelectionFromTop(mController.getSelectedDay().year - mController.getMinYear());
}
}
|
