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
|
/*
* Copyright 2011 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.data.Container;
import com.vaadin.terminal.PaintException;
import com.vaadin.terminal.PaintTarget;
/**
* This is a simple drop-down select without, for instance, support for
* multiselect, new items, lazyloading, and other advanced features. Sometimes
* "native" select without all the bells-and-whistles of the ComboBox is a
* better choice.
*/
@SuppressWarnings("serial")
public class NativeSelect extends AbstractSelect {
// width in characters, mimics TextField
private int columns = 0;
public NativeSelect() {
super();
}
public NativeSelect(String caption, Collection<?> options) {
super(caption, options);
}
public NativeSelect(String caption, Container dataSource) {
super(caption, dataSource);
}
public NativeSelect(String caption) {
super(caption);
}
/**
* Sets the number of columns in the editor. If the number of columns is set
* 0, the actual number of displayed columns is determined implicitly by the
* adapter.
*
* @param columns
* the number of columns to set.
*/
public void setColumns(int columns) {
if (columns < 0) {
columns = 0;
}
if (this.columns != columns) {
this.columns = columns;
requestRepaint();
}
}
public int getColumns() {
return columns;
}
@Override
public void paintContent(PaintTarget target) throws PaintException {
target.addAttribute("type", "native");
// Adds the number of columns
if (columns != 0) {
target.addAttribute("cols", columns);
}
super.paintContent(target);
}
@Override
public void setMultiSelect(boolean multiSelect)
throws UnsupportedOperationException {
if (multiSelect == true) {
throw new UnsupportedOperationException("Multiselect not supported");
}
}
@Override
public void setNewItemsAllowed(boolean allowNewOptions)
throws UnsupportedOperationException {
if (allowNewOptions == true) {
throw new UnsupportedOperationException(
"newItemsAllowed not supported");
}
}
}
|
