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
17 namespace views {
18 namespace examples {
19
TextfieldExample()20 TextfieldExample::TextfieldExample()
21 : ExampleBase("Textfield"),
22 name_(NULL),
23 password_(NULL),
24 read_only_(NULL),
25 show_password_(NULL),
26 clear_all_(NULL),
27 append_(NULL),
28 set_(NULL),
29 set_style_(NULL) {
30 }
31
~TextfieldExample()32 TextfieldExample::~TextfieldExample() {
33 }
34
CreateExampleView(View * container)35 void TextfieldExample::CreateExampleView(View* container) {
36 name_ = new Textfield();
37 password_ = new Textfield(Textfield::STYLE_OBSCURED);
38 password_->set_placeholder_text(ASCIIToUTF16("password"));
39 read_only_ = new Textfield();
40 read_only_->SetReadOnly(true);
41 read_only_->SetText(ASCIIToUTF16("read only"));
42 show_password_ = new LabelButton(this, ASCIIToUTF16("Show password"));
43 clear_all_ = new LabelButton(this, ASCIIToUTF16("Clear All"));
44 append_ = new LabelButton(this, ASCIIToUTF16("Append"));
45 set_ = new LabelButton(this, ASCIIToUTF16("Set"));
46 set_style_ = new LabelButton(this, ASCIIToUTF16("Set Styles"));
47 name_->SetController(this);
48 password_->SetController(this);
49
50 GridLayout* layout = new GridLayout(container);
51 container->SetLayoutManager(layout);
52
53 ColumnSet* column_set = layout->AddColumnSet(0);
54 column_set->AddColumn(GridLayout::LEADING, GridLayout::FILL,
55 0.2f, GridLayout::USE_PREF, 0, 0);
56 column_set->AddColumn(GridLayout::FILL, GridLayout::FILL,
57 0.8f, GridLayout::USE_PREF, 0, 0);
58 layout->StartRow(0, 0);
59 layout->AddView(new Label(ASCIIToUTF16("Name:")));
60 layout->AddView(name_);
61 layout->StartRow(0, 0);
62 layout->AddView(new Label(ASCIIToUTF16("Password:")));
63 layout->AddView(password_);
64 layout->StartRow(0, 0);
65 layout->AddView(new Label(ASCIIToUTF16("Read Only:")));
66 layout->AddView(read_only_);
67 layout->StartRow(0, 0);
68 layout->AddView(show_password_);
69 layout->StartRow(0, 0);
70 layout->AddView(clear_all_);
71 layout->StartRow(0, 0);
72 layout->AddView(append_);
73 layout->StartRow(0, 0);
74 layout->AddView(set_);
75 layout->StartRow(0, 0);
76 layout->AddView(set_style_);
77 }
78
ContentsChanged(Textfield * sender,const string16 & new_contents)79 void TextfieldExample::ContentsChanged(Textfield* sender,
80 const string16& new_contents) {
81 if (sender == name_) {
82 PrintStatus("Name [%s]", UTF16ToUTF8(new_contents).c_str());
83 } else if (sender == password_) {
84 PrintStatus("Password [%s]", UTF16ToUTF8(new_contents).c_str());
85 } else if (sender == read_only_) {
86 PrintStatus("Read Only [%s]", UTF16ToUTF8(new_contents).c_str());
87 }
88 }
89
HandleKeyEvent(Textfield * sender,const ui::KeyEvent & key_event)90 bool TextfieldExample::HandleKeyEvent(Textfield* sender,
91 const ui::KeyEvent& key_event) {
92 return false;
93 }
94
HandleMouseEvent(Textfield * sender,const ui::MouseEvent & mouse_event)95 bool TextfieldExample::HandleMouseEvent(Textfield* sender,
96 const ui::MouseEvent& mouse_event) {
97 PrintStatus("HandleMouseEvent click count=%d", mouse_event.GetClickCount());
98 return false;
99 }
100
ButtonPressed(Button * sender,const ui::Event & event)101 void TextfieldExample::ButtonPressed(Button* sender, const ui::Event& event) {
102 if (sender == show_password_) {
103 PrintStatus("Password [%s]", UTF16ToUTF8(password_->text()).c_str());
104 } else if (sender == clear_all_) {
105 string16 empty;
106 name_->SetText(empty);
107 password_->SetText(empty);
108 read_only_->SetText(empty);
109 } else if (sender == append_) {
110 name_->AppendText(ASCIIToUTF16("[append]"));
111 password_->AppendText(ASCIIToUTF16("[append]"));
112 read_only_->AppendText(ASCIIToUTF16("[append]"));
113 } else if (sender == set_) {
114 name_->SetText(ASCIIToUTF16("[set]"));
115 password_->SetText(ASCIIToUTF16("[set]"));
116 read_only_->SetText(ASCIIToUTF16("[set]"));
117 } else if (sender == set_style_) {
118 if (!name_->text().empty()) {
119 name_->SetColor(SK_ColorGREEN);
120 name_->SetStyle(gfx::BOLD, true);
121
122 if (name_->text().length() >= 5) {
123 size_t fifth = name_->text().length() / 5;
124 const gfx::Range big_range(1 * fifth, 4 * fifth);
125 name_->ApplyStyle(gfx::BOLD, false, big_range);
126 name_->ApplyStyle(gfx::UNDERLINE, true, big_range);
127 name_->ApplyColor(SK_ColorBLUE, big_range);
128
129 const gfx::Range small_range(2 * fifth, 3 * fifth);
130 name_->ApplyStyle(gfx::ITALIC, true, small_range);
131 name_->ApplyStyle(gfx::UNDERLINE, false, small_range);
132 name_->ApplyStyle(gfx::DIAGONAL_STRIKE, true, small_range);
133 name_->ApplyColor(SK_ColorRED, small_range);
134 }
135 }
136 }
137 }
138
139 } // namespace examples
140 } // namespace views
141