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      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_.setConfig(SkBitmap::kARGB_8888_Config, 16, 16);
     75   icon1_.allocPixels();
     76   SkCanvas canvas1(icon1_);
     77   canvas1.drawColor(SK_ColorRED);
     78 
     79   icon2_.setConfig(SkBitmap::kARGB_8888_Config, 16, 16);
     80   icon2_.allocPixels();
     81   SkCanvas canvas2(icon2_);
     82   canvas2.drawColor(SK_ColorBLUE);
     83 
     84   ColumnSet* column_set = layout->AddColumnSet(0);
     85   column_set->AddColumn(GridLayout::FILL, GridLayout::FILL, 1,
     86                         GridLayout::USE_PREF, 0, 0);
     87   layout->StartRow(1 /* expand */, 0);
     88   layout->AddView(table_->CreateParentIfNecessary());
     89 
     90   column_set = layout->AddColumnSet(1);
     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   column_set->AddColumn(GridLayout::FILL, GridLayout::FILL,
     98                         0.5f, GridLayout::USE_PREF, 0, 0);
     99 
    100   layout->StartRow(0 /* no expand */, 1);
    101 
    102   layout->AddView(column1_visible_checkbox_);
    103   layout->AddView(column2_visible_checkbox_);
    104   layout->AddView(column3_visible_checkbox_);
    105   layout->AddView(column4_visible_checkbox_);
    106 }
    107 
    108 int TableExample::RowCount() {
    109   return 10;
    110 }
    111 
    112 base::string16 TableExample::GetText(int row, int column_id) {
    113   if (row == -1)
    114     return base::string16();
    115 
    116   const char* const cells[5][4] = {
    117     { "Orange", "Orange", "South america", "$5" },
    118     { "Apple", "Green", "Canada", "$3" },
    119     { "Blue berries", "Blue", "Mexico", "$10.3" },
    120     { "Strawberries", "Red", "California", "$7" },
    121     { "Cantaloupe", "Orange", "South america", "$5" },
    122   };
    123   return ASCIIToUTF16(cells[row % 5][column_id]);
    124 }
    125 
    126 gfx::ImageSkia TableExample::GetIcon(int row) {
    127   SkBitmap row_icon = row % 2 ? icon1_ : icon2_;
    128   return gfx::ImageSkia::CreateFrom1xBitmap(row_icon);
    129 }
    130 
    131 void TableExample::SetObserver(ui::TableModelObserver* observer) {}
    132 
    133 void TableExample::GetGroupRange(int model_index, GroupRange* range) {
    134   if (model_index < 2) {
    135     range->start = 0;
    136     range->length = 2;
    137   } else if (model_index > 6) {
    138     range->start = 7;
    139     range->length = 3;
    140   } else {
    141     range->start = model_index;
    142     range->length = 1;
    143   }
    144 }
    145 
    146 void TableExample::OnSelectionChanged() {
    147   PrintStatus("Selected: %s",
    148               base::UTF16ToASCII(GetText(table_->selection_model().active(),
    149                                          0)).c_str());
    150 }
    151 
    152 void TableExample::OnDoubleClick() {
    153   PrintStatus("Double Click: %s",
    154               base::UTF16ToASCII(GetText(table_->selection_model().active(),
    155                                          0)).c_str());
    156 }
    157 
    158 void TableExample::OnMiddleClick() {}
    159 
    160 void TableExample::OnKeyDown(ui::KeyboardCode virtual_keycode) {}
    161 
    162 void TableExample::ButtonPressed(Button* sender, const ui::Event& event) {
    163   int index = 0;
    164   bool show = true;
    165   if (sender == column1_visible_checkbox_) {
    166     index = 0;
    167     show = column1_visible_checkbox_->checked();
    168   } else if (sender == column2_visible_checkbox_) {
    169     index = 1;
    170     show = column2_visible_checkbox_->checked();
    171   } else if (sender == column3_visible_checkbox_) {
    172     index = 2;
    173     show = column3_visible_checkbox_->checked();
    174   } else if (sender == column4_visible_checkbox_) {
    175     index = 3;
    176     show = column4_visible_checkbox_->checked();
    177   }
    178   table_->SetColumnVisibility(index, show);
    179 }
    180 
    181 }  // namespace examples
    182 }  // namespace views
    183