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
|
/*
* Copyright 2000-2016 Vaadin Ltd.
*
* 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.vaadin.ui;
import java.util.Collection;
import com.vaadin.server.data.DataSource;
import com.vaadin.shared.data.DataCommunicatorConstants;
import com.vaadin.shared.ui.nativeselect.NativeSelectState;
/**
* A simple drop-down select component. Represented on the client side by a
* "native" HTML {@code <select>} element. Lacks advanced features such as lazy
* loading, filtering, and adding new items.
*
* @author Vaadin Ltd.
*
* @param <T>
* the data item type
*
* @see com.vaadin.ui.ComboBox
*/
public class NativeSelect<T> extends AbstractSingleSelect<T> {
/**
* Creates a new {@code NativeSelect} with an empty caption and no items.
*/
public NativeSelect() {
addDataGenerator((item, json) -> json.put(
DataCommunicatorConstants.DATA, String.valueOf(item)));
setSelectionModel(new SimpleSingleSelection());
}
/**
* Creates a new {@code NativeSelect} with the given caption and no items.
*
* @param caption
* the component caption to set, null for no caption
*/
public NativeSelect(String caption) {
this();
setCaption(caption);
}
/**
* Creates a new {@code NativeSelect} with the given caption, containing the
* data items in the given collection.
*
* @param caption
* the component caption to set, null for no caption
* @param items
* the data items to use, not null
*/
public NativeSelect(String caption, Collection<T> items) {
this(caption);
setItems(items);
}
/**
* Creates a new {@code NativeSelect} with the given caption, using the
* given {@code DataSource} as the source of data items.
*
* @param caption
* the component caption to set, null for no caption
* @param dataSource
* the source of data items to use, not null
*/
public NativeSelect(String caption, DataSource<T> dataSource) {
this(caption);
setDataSource(dataSource);
}
@Override
protected NativeSelectState getState() {
return getState(true);
}
@Override
protected NativeSelectState getState(boolean markAsDirty) {
return (NativeSelectState) super.getState(markAsDirty);
}
}
|
