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
|
// Copyright (c) 2010 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.
#ifndef VIEWS_EXAMPLES_TABBED_PANE_EXAMPLE_H_
#define VIEWS_EXAMPLES_TABBED_PANE_EXAMPLE_H_
#pragma once
#include "base/string_util.h"
#include "views/controls/button/text_button.h"
#include "views/examples/example_base.h"
namespace examples {
// A TabbedPane example tests adding/removing/selecting tabs.
class TabbedPaneExample : public ExampleBase,
public views::ButtonListener,
views::TabbedPane::Listener {
public:
explicit TabbedPaneExample(ExamplesMain* main) : ExampleBase(main) {}
virtual ~TabbedPaneExample() {}
virtual std::wstring GetExampleTitle() {
return L"Tabbed Pane";
}
virtual void CreateExampleView(views::View* container) {
tabbed_pane_ = new views::TabbedPane();
add_ = new views::TextButton(this, L"Add");
add_at_ = new views::TextButton(this, L"Add At 1");
remove_at_ = new views::TextButton(this, L"Remove At 1");
select_at_ = new views::TextButton(this, L"Select At 1");
views::GridLayout* layout = new views::GridLayout(container);
container->SetLayoutManager(layout);
const int tabbed_pane_column = 0;
views::ColumnSet* column_set = layout->AddColumnSet(tabbed_pane_column);
column_set->AddColumn(views::GridLayout::FILL, views::GridLayout::FILL,
1.0f, views::GridLayout::USE_PREF, 0, 0);
layout->StartRow(1 /* expand */, tabbed_pane_column);
layout->AddView(tabbed_pane_);
// Create a few tabs with a button first.
AddButton(L"Tab 1");
AddButton(L"Tab 2");
// Add control buttons horizontally.
const int button_column = 1;
column_set = layout->AddColumnSet(button_column);
for (int i = 0; i < 4; i++) {
column_set->AddColumn(views::GridLayout::FILL, views::GridLayout::FILL,
1.0f, views::GridLayout::USE_PREF, 0, 0);
}
layout->StartRow(0 /* no expand */, button_column);
layout->AddView(add_);
layout->AddView(add_at_);
layout->AddView(remove_at_);
layout->AddView(select_at_);
}
private:
// ButtonListener overrides.
virtual void ButtonPressed(views::Button* sender, const views::Event& event) {
if (sender == add_) {
AddButton(L"Added");
} else if (sender == add_at_) {
const std::wstring label = L"Added at 1";
tabbed_pane_->AddTabAtIndex(1, label,
new views::TextButton(NULL, label), true);
} else if (sender == remove_at_) {
if (tabbed_pane_->GetTabCount() > 1)
delete tabbed_pane_->RemoveTabAtIndex(1);
} else if (sender == select_at_) {
if (tabbed_pane_->GetTabCount() > 1)
tabbed_pane_->SelectTabAt(1);
}
PrintStatus();
}
// TabbedPane::Listener overrides.
virtual void TabSelectedAt(int index) {
// Just print the status when selection changes.
PrintStatus();
}
// Print the status of the tab in the status area.
void PrintStatus() {
ExampleBase::PrintStatus(L"Tab Count:%d, Selected Tab:%d",
tabbed_pane_->GetTabCount(),
tabbed_pane_->GetSelectedTabIndex());
}
void AddButton(const std::wstring& label) {
views::TextButton* button = new views::TextButton(NULL, label);
tabbed_pane_->AddTab(label, button);
}
// The tabbed pane to be tested.
views::TabbedPane* tabbed_pane_;
// Control buttons to add, remove or select tabs.
views::Button* add_, *add_at_, *remove_at_, *select_at_;
DISALLOW_COPY_AND_ASSIGN(TabbedPaneExample);
};
} // namespace examples
#endif // VIEWS_EXAMPLES_TABBED_PANE_EXAMPLE_H_
|
