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 using base::ASCIIToUTF16; 18 using base::UTF16ToUTF8; 19 20 namespace views { 21 namespace examples { 22 23 TextfieldExample::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 35 TextfieldExample::~TextfieldExample() { 36 } 37 38 void 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 83 void 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 94 bool TextfieldExample::HandleKeyEvent(Textfield* sender, 95 const ui::KeyEvent& key_event) { 96 return false; 97 } 98 99 bool TextfieldExample::HandleMouseEvent(Textfield* sender, 100 const ui::MouseEvent& mouse_event) { 101 PrintStatus("HandleMouseEvent click count=%d", mouse_event.GetClickCount()); 102 return false; 103 } 104 105 void 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
