1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "ui/views/examples/textfield_example.h"
6
7#include "base/strings/utf_string_conversions.h"
8#include "ui/events/event.h"
9#include "ui/gfx/range/range.h"
10#include "ui/gfx/render_text.h"
11#include "ui/views/controls/button/label_button.h"
12#include "ui/views/controls/label.h"
13#include "ui/views/controls/textfield/textfield.h"
14#include "ui/views/layout/grid_layout.h"
15#include "ui/views/view.h"
16
17using base::ASCIIToUTF16;
18using base::UTF16ToUTF8;
19
20namespace views {
21namespace examples {
22
23TextfieldExample::TextfieldExample()
24   : ExampleBase("Textfield"),
25     name_(NULL),
26     password_(NULL),
27     read_only_(NULL),
28     show_password_(NULL),
29     clear_all_(NULL),
30     append_(NULL),
31     set_(NULL),
32     set_style_(NULL) {
33}
34
35TextfieldExample::~TextfieldExample() {
36}
37
38void TextfieldExample::CreateExampleView(View* container) {
39  name_ = new Textfield();
40  password_ = new Textfield();
41  password_->SetTextInputType(ui::TEXT_INPUT_TYPE_PASSWORD);
42  password_->set_placeholder_text(ASCIIToUTF16("password"));
43  read_only_ = new Textfield();
44  read_only_->SetReadOnly(true);
45  read_only_->SetText(ASCIIToUTF16("read only"));
46  show_password_ = new LabelButton(this, ASCIIToUTF16("Show password"));
47  clear_all_ = new LabelButton(this, ASCIIToUTF16("Clear All"));
48  append_ = new LabelButton(this, ASCIIToUTF16("Append"));
49  set_ = new LabelButton(this, ASCIIToUTF16("Set"));
50  set_style_ = new LabelButton(this, ASCIIToUTF16("Set Styles"));
51  name_->set_controller(this);
52  password_->set_controller(this);
53
54  GridLayout* layout = new GridLayout(container);
55  container->SetLayoutManager(layout);
56
57  ColumnSet* column_set = layout->AddColumnSet(0);
58  column_set->AddColumn(GridLayout::LEADING, GridLayout::FILL,
59                        0.2f, GridLayout::USE_PREF, 0, 0);
60  column_set->AddColumn(GridLayout::FILL, GridLayout::FILL,
61                        0.8f, GridLayout::USE_PREF, 0, 0);
62  layout->StartRow(0, 0);
63  layout->AddView(new Label(ASCIIToUTF16("Name:")));
64  layout->AddView(name_);
65  layout->StartRow(0, 0);
66  layout->AddView(new Label(ASCIIToUTF16("Password:")));
67  layout->AddView(password_);
68  layout->StartRow(0, 0);
69  layout->AddView(new Label(ASCIIToUTF16("Read Only:")));
70  layout->AddView(read_only_);
71  layout->StartRow(0, 0);
72  layout->AddView(show_password_);
73  layout->StartRow(0, 0);
74  layout->AddView(clear_all_);
75  layout->StartRow(0, 0);
76  layout->AddView(append_);
77  layout->StartRow(0, 0);
78  layout->AddView(set_);
79  layout->StartRow(0, 0);
80  layout->AddView(set_style_);
81}
82
83void TextfieldExample::ContentsChanged(Textfield* sender,
84                                       const base::string16& new_contents) {
85  if (sender == name_) {
86    PrintStatus("Name [%s]", UTF16ToUTF8(new_contents).c_str());
87  } else if (sender == password_) {
88    PrintStatus("Password [%s]", UTF16ToUTF8(new_contents).c_str());
89  } else if (sender == read_only_) {
90    PrintStatus("Read Only [%s]", UTF16ToUTF8(new_contents).c_str());
91  }
92}
93
94bool TextfieldExample::HandleKeyEvent(Textfield* sender,
95                                      const ui::KeyEvent& key_event) {
96  return false;
97}
98
99bool TextfieldExample::HandleMouseEvent(Textfield* sender,
100                                        const ui::MouseEvent& mouse_event) {
101  PrintStatus("HandleMouseEvent click count=%d", mouse_event.GetClickCount());
102  return false;
103}
104
105void TextfieldExample::ButtonPressed(Button* sender, const ui::Event& event) {
106  if (sender == show_password_) {
107    PrintStatus("Password [%s]", UTF16ToUTF8(password_->text()).c_str());
108  } else if (sender == clear_all_) {
109    base::string16 empty;
110    name_->SetText(empty);
111    password_->SetText(empty);
112    read_only_->SetText(empty);
113  } else if (sender == append_) {
114    name_->AppendText(ASCIIToUTF16("[append]"));
115    password_->AppendText(ASCIIToUTF16("[append]"));
116    read_only_->AppendText(ASCIIToUTF16("[append]"));
117  } else if (sender == set_) {
118    name_->SetText(ASCIIToUTF16("[set]"));
119    password_->SetText(ASCIIToUTF16("[set]"));
120    read_only_->SetText(ASCIIToUTF16("[set]"));
121  } else if (sender == set_style_) {
122    if (!name_->text().empty()) {
123      name_->SetColor(SK_ColorGREEN);
124      name_->SetStyle(gfx::BOLD, true);
125
126      if (name_->text().length() >= 5) {
127        size_t fifth = name_->text().length() / 5;
128        const gfx::Range big_range(1 * fifth, 4 * fifth);
129        name_->ApplyStyle(gfx::BOLD, false, big_range);
130        name_->ApplyStyle(gfx::UNDERLINE, true, big_range);
131        name_->ApplyColor(SK_ColorBLUE, big_range);
132
133        const gfx::Range small_range(2 * fifth, 3 * fifth);
134        name_->ApplyStyle(gfx::ITALIC, true, small_range);
135        name_->ApplyStyle(gfx::UNDERLINE, false, small_range);
136        name_->ApplyStyle(gfx::DIAGONAL_STRIKE, true, small_range);
137        name_->ApplyColor(SK_ColorRED, small_range);
138      }
139    }
140  }
141}
142
143}  // namespace examples
144}  // namespace views
145