ui/views/examples/textfield_example.cc

   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