blob: 4c4fdb300b979d6f43ffe6c1f6e6a02875cb7c34 (
plain)
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
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/views/examples/combobox_example.h"
#include "base/strings/stringprintf.h"
#include "base/strings/utf_string_conversions.h"
#include "ui/views/controls/combobox/combobox.h"
#include "ui/views/layout/box_layout.h"
namespace views {
namespace examples {
ComboboxModelExample::ComboboxModelExample() {
}
ComboboxModelExample::~ComboboxModelExample() {
}
int ComboboxModelExample::GetItemCount() const {
return 10;
}
base::string16 ComboboxModelExample::GetItemAt(int index) {
return base::UTF8ToUTF16(base::StringPrintf("Item %d", index));
}
ComboboxExample::ComboboxExample() : ExampleBase("Combo Box") {
}
ComboboxExample::~ComboboxExample() {
// Delete |combobox_| first as it references |combobox_model_|.
delete combobox_;
delete disabled_combobox_;
delete action_combobox_;
combobox_ = nullptr;
disabled_combobox_ = nullptr;
action_combobox_ = nullptr;
}
void ComboboxExample::CreateExampleView(View* container) {
combobox_ = new Combobox(&combobox_model_);
combobox_->set_listener(this);
combobox_->SetSelectedIndex(3);
disabled_combobox_ = new Combobox(&combobox_model_);
disabled_combobox_->set_listener(this);
disabled_combobox_->SetSelectedIndex(4);
disabled_combobox_->SetEnabled(false);
action_combobox_ = new Combobox(&combobox_model_);
action_combobox_->set_listener(this);
action_combobox_->SetStyle(Combobox::STYLE_ACTION);
// Note: STYLE_ACTION comboboxes always have the first item selected by
// default.
container->SetLayoutManager(new BoxLayout(
BoxLayout::kVertical,
1, 1, 1));
container->AddChildView(combobox_);
container->AddChildView(disabled_combobox_);
container->AddChildView(action_combobox_);
}
void ComboboxExample::OnPerformAction(Combobox* combobox) {
if (combobox == combobox_) {
PrintStatus("Selected: %s", base::UTF16ToUTF8(combobox_model_.GetItemAt(
combobox->selected_index())).c_str());
} else if (combobox == action_combobox_) {
PrintStatus("Action: %s", base::UTF16ToUTF8(combobox_model_.GetItemAt(
combobox->selected_index())).c_str());
} else {
NOTREACHED() << "Surprising combobox.";
}
}
} // namespace examples
} // namespace views
|
