ui/views/examples/table_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/table_example.h"
   6
   7 #include <vector>
   8
   9 #include "base/strings/string_util.h"
  10 #include "base/strings/utf_string_conversions.h"
  11 #include "third_party/skia/include/core/SkBitmap.h"
  12 #include "third_party/skia/include/core/SkCanvas.h"
  13 #include "ui/gfx/image/image_skia.h"
  14 #include "ui/views/controls/button/checkbox.h"
  15 #include "ui/views/layout/grid_layout.h"
  16
  17 using base::ASCIIToUTF16;
  18
  19 namespace views {
  20 namespace examples {
  21
  22 namespace {
  23
  24 ui::TableColumn TestTableColumn(int id, const std::string& title) {
  25   ui::TableColumn column;
  26   column.id = id;
  27   column.title = ASCIIToUTF16(title.c_str());
  28   column.sortable = true;
  29   return column;
  30 }
  31
  32 }  // namespace
  33
  34 TableExample::TableExample() : ExampleBase("Table") , table_(NULL) {
  35 }
  36
  37 TableExample::~TableExample() {
  38   // Delete the view before the model.
  39   delete table_;
  40   table_ = NULL;
  41 }
  42
  43 void TableExample::CreateExampleView(View* container) {
  44   column1_visible_checkbox_ = new Checkbox(
  45       ASCIIToUTF16("Fruit column visible"));
  46   column1_visible_checkbox_->SetChecked(true);
  47   column1_visible_checkbox_->set_listener(this);
  48   column2_visible_checkbox_ = new Checkbox(
  49       ASCIIToUTF16("Color column visible"));
  50   column2_visible_checkbox_->SetChecked(true);
  51   column2_visible_checkbox_->set_listener(this);
  52   column3_visible_checkbox_ = new Checkbox(
  53       ASCIIToUTF16("Origin column visible"));
  54   column3_visible_checkbox_->SetChecked(true);
  55   column3_visible_checkbox_->set_listener(this);
  56   column4_visible_checkbox_ = new Checkbox(
  57       ASCIIToUTF16("Price column visible"));
  58   column4_visible_checkbox_->SetChecked(true);
  59   column4_visible_checkbox_->set_listener(this);
  60
  61   GridLayout* layout = new GridLayout(container);
  62   container->SetLayoutManager(layout);
  63
  64   std::vector<ui::TableColumn> columns;
  65   columns.push_back(TestTableColumn(0, "Fruit"));
  66   columns[0].percent = 1;
  67   columns.push_back(TestTableColumn(1, "Color"));
  68   columns.push_back(TestTableColumn(2, "Origin"));
  69   columns.push_back(TestTableColumn(3, "Price"));
  70   columns.back().alignment = ui::TableColumn::RIGHT;
  71   table_ = new TableView(this, columns, ICON_AND_TEXT, true);
  72   table_->SetGrouper(this);
  73   table_->SetObserver(this);
  74   icon1_.allocN32Pixels(16, 16);
  75   SkCanvas canvas1(icon1_);
  76   canvas1.drawColor(SK_ColorRED);
  77
  78   icon2_.allocN32Pixels(16, 16);
  79   SkCanvas canvas2(icon2_);
  80   canvas2.drawColor(SK_ColorBLUE);
  81
  82   ColumnSet* column_set = layout->AddColumnSet(0);
  83   column_set->AddColumn(GridLayout::FILL, GridLayout::FILL, 1,
  84                         GridLayout::USE_PREF, 0, 0);
  85   layout->StartRow(1 /* expand */, 0);
  86   layout->AddView(table_->CreateParentIfNecessary());
  87
  88   column_set = layout->AddColumnSet(1);
  89   column_set->AddColumn(GridLayout::FILL, GridLayout::FILL,
  90                         0.5f, GridLayout::USE_PREF, 0, 0);
  91   column_set->AddColumn(GridLayout::FILL, GridLayout::FILL,
  92                         0.5f, GridLayout::USE_PREF, 0, 0);
  93   column_set->AddColumn(GridLayout::FILL, GridLayout::FILL,
  94                         0.5f, GridLayout::USE_PREF, 0, 0);
  95   column_set->AddColumn(GridLayout::FILL, GridLayout::FILL,
  96                         0.5f, GridLayout::USE_PREF, 0, 0);
  97
  98   layout->StartRow(0 /* no expand */, 1);
  99
 100   layout->AddView(column1_visible_checkbox_);
 101   layout->AddView(column2_visible_checkbox_);
 102   layout->AddView(column3_visible_checkbox_);
 103   layout->AddView(column4_visible_checkbox_);
 104 }
 105
 106 int TableExample::RowCount() {
 107   return 10;
 108 }
 109
 110 base::string16 TableExample::GetText(int row, int column_id) {
 111   if (row == -1)
 112     return base::string16();
 113
 114   const char* const cells[5][4] = {
 115     { "Orange", "Orange", "South america", "$5" },
 116     { "Apple", "Green", "Canada", "$3" },
 117     { "Blue berries", "Blue", "Mexico", "$10.3" },
 118     { "Strawberries", "Red", "California", "$7" },
 119     { "Cantaloupe", "Orange", "South america", "$5" },
 120   };
 121   return ASCIIToUTF16(cells[row % 5][column_id]);
 122 }
 123
 124 gfx::ImageSkia TableExample::GetIcon(int row) {
 125   SkBitmap row_icon = row % 2 ? icon1_ : icon2_;
 126   return gfx::ImageSkia::CreateFrom1xBitmap(row_icon);
 127 }
 128
 129 void TableExample::SetObserver(ui::TableModelObserver* observer) {}
 130
 131 void TableExample::GetGroupRange(int model_index, GroupRange* range) {
 132   if (model_index < 2) {
 133     range->start = 0;
 134     range->length = 2;
 135   } else if (model_index > 6) {
 136     range->start = 7;
 137     range->length = 3;
 138   } else {
 139     range->start = model_index;
 140     range->length = 1;
 141   }
 142 }
 143
 144 void TableExample::OnSelectionChanged() {
 145   PrintStatus("Selected: %s",
 146               base::UTF16ToASCII(GetText(table_->selection_model().active(),
 147                                          0)).c_str());
 148 }
 149
 150 void TableExample::OnDoubleClick() {
 151   PrintStatus("Double Click: %s",
 152               base::UTF16ToASCII(GetText(table_->selection_model().active(),
 153                                          0)).c_str());
 154 }
 155
 156 void TableExample::OnMiddleClick() {}
 157
 158 void TableExample::OnKeyDown(ui::KeyboardCode virtual_keycode) {}
 159
 160 void TableExample::ButtonPressed(Button* sender, const ui::Event& event) {
 161   int index = 0;
 162   bool show = true;
 163   if (sender == column1_visible_checkbox_) {
 164     index = 0;
 165     show = column1_visible_checkbox_->checked();
 166   } else if (sender == column2_visible_checkbox_) {
 167     index = 1;
 168     show = column2_visible_checkbox_->checked();
 169   } else if (sender == column3_visible_checkbox_) {
 170     index = 2;
 171     show = column3_visible_checkbox_->checked();
 172   } else if (sender == column4_visible_checkbox_) {
 173     index = 3;
 174     show = column4_visible_checkbox_->checked();
 175   }
 176   table_->SetColumnVisibility(index, show);
 177 }
 178
 179 }  // namespace examples
 180 }  // namespace views