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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/views/examples/table_example.h"
#include <array>
#include <memory>
#include <utility>
#include <vector>
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "third_party/skia/include/core/SkCanvas.h"
#include "ui/color/color_provider.h"
#include "ui/gfx/image/image_skia.h"
#include "ui/views/controls/button/checkbox.h"
#include "ui/views/controls/scroll_view.h"
#include "ui/views/examples/examples_color_id.h"
#include "ui/views/examples/examples_window.h"
#include "ui/views/layout/flex_layout.h"
#include "ui/views/layout/flex_layout_types.h"
#include "ui/views/layout/flex_layout_view.h"
#include "ui/views/view_class_properties.h"
using base::ASCIIToUTF16;
namespace views::examples {
namespace {
ui::TableColumn TestTableColumn(
int id,
const std::u16string& title,
ui::TableColumn::Alignment alignment = ui::TableColumn::LEFT,
float percent = 0.0) {
ui::TableColumn column;
column.id = id;
column.title = title;
column.sortable = true;
column.alignment = alignment;
column.percent = percent;
return column;
}
} // namespace
TableExample::TableExample() : ExampleBase("Table") {}
TableExample::~TableExample() {
observer_.Reset();
// Delete the view before the model.
if (table_ && table_->parent()) {
table_->parent()->RemoveChildViewT(table_.ExtractAsDangling());
}
}
void TableExample::CreateExampleView(View* container) {
container->SetLayoutManager(std::make_unique<views::FlexLayout>())
->SetOrientation(LayoutOrientation::kVertical);
observer_.Observe(container);
auto full_flex = FlexSpecification(MinimumFlexSizeRule::kScaleToZero,
MaximumFlexSizeRule::kUnbounded)
.WithWeight(1);
const auto make_checkbox =
[](const std::u16string& label, int id, raw_ptr<TableView>* table,
raw_ptr<Checkbox>* checkbox, FlexSpecification full_flex) {
return Builder<Checkbox>()
.CopyAddressTo(checkbox)
.SetText(label)
.SetCallback(base::BindRepeating(
[](int id, raw_ptr<TableView>* table, Checkbox* checkbox) {
(*table)->SetColumnVisibility(id, checkbox->GetChecked());
},
id, table, *checkbox))
.SetChecked(true)
.SetProperty(kFlexBehaviorKey, full_flex);
};
// Make table
Builder<View>(container)
.AddChildren(
TableView::CreateScrollViewBuilderWithTable(
Builder<TableView>()
.CopyAddressTo(&table_)
.SetColumns(
{TestTableColumn(0, u"Fruit", ui::TableColumn::LEFT, 1.0),
TestTableColumn(1, u"Color"),
TestTableColumn(2, u"Origin"),
TestTableColumn(3, u"Price", ui::TableColumn::RIGHT)})
.SetTableType(TableType::kIconAndText)
.SetModel(this)
.SetGrouper(this)
.SetObserver(this))
.SetProperty(kFlexBehaviorKey, full_flex),
Builder<FlexLayoutView>()
.SetOrientation(LayoutOrientation::kHorizontal)
.AddChildren(
make_checkbox(u"Fruit column visible", 0, &table_,
&column1_visible_checkbox_, full_flex),
make_checkbox(u"Color column visible", 1, &table_,
&column2_visible_checkbox_, full_flex),
make_checkbox(u"Origin column visible", 2, &table_,
&column3_visible_checkbox_, full_flex),
make_checkbox(u"Price column visible", 3, &table_,
&column4_visible_checkbox_, full_flex)))
.BuildChildren();
}
size_t TableExample::RowCount() {
return 10;
}
std::u16string TableExample::GetText(size_t row, int column_id) {
constexpr auto cells = std::to_array<std::array<const char* const, 4>>({
{"Orange", "Orange", "South America", "$5"},
{"Apple", "Green", "Canada", "$3"},
{"Blueberries", "Blue", "Mexico", "$10.30"},
{"Strawberries", "Red", "California", "$7"},
{"Cantaloupe", "Orange", "South America", "$5"},
});
return ASCIIToUTF16(cells[row % 5][column_id]);
}
ui::ImageModel TableExample::GetIcon(size_t row) {
SkBitmap row_icon = row % 2 ? icon1_ : icon2_;
return ui::ImageModel::FromImageSkia(
gfx::ImageSkia::CreateFrom1xBitmap(row_icon));
}
std::u16string TableExample::GetTooltip(size_t row) {
constexpr auto tooltips =
std::to_array({"Orange - Orange you glad I didn't say banana?",
"Apple - An apple a day keeps the doctor away",
"Blueberries - Bet you can't eat just one",
"Strawberries - Always better when homegrown",
"Cantaloupe - So nice when perfectly ripe"});
return ASCIIToUTF16(tooltips[row % 5]);
}
void TableExample::SetObserver(ui::TableModelObserver* observer) {}
void TableExample::GetGroupRange(size_t model_index, GroupRange* range) {
if (model_index < 2) {
range->start = 0;
range->length = 2;
} else if (model_index > 6) {
range->start = 7;
range->length = 3;
} else {
range->start = model_index;
range->length = 1;
}
}
void TableExample::OnSelectionChanged() {
PrintStatus("Selected: " + SelectedColumnName());
}
void TableExample::OnDoubleClick() {
PrintStatus("Double Click: " + SelectedColumnName());
}
void TableExample::OnMiddleClick() {}
void TableExample::OnKeyDown(ui::KeyboardCode virtual_keycode) {}
void TableExample::OnViewThemeChanged(View* observed_view) {
icon1_.allocN32Pixels(16, 16);
icon2_.allocN32Pixels(16, 16);
auto* const cp = observed_view->GetColorProvider();
SkCanvas canvas1(icon1_, SkSurfaceProps{}), canvas2(icon2_, SkSurfaceProps{});
canvas1.drawColor(
cp->GetColor(ExamplesColorIds::kColorTableExampleEvenRowIcon));
canvas2.drawColor(
cp->GetColor(ExamplesColorIds::kColorTableExampleOddRowIcon));
}
void TableExample::OnViewIsDeleting(View* observed_view) {
observer_.Reset();
}
std::string TableExample::SelectedColumnName() {
return table_->selection_model().active().has_value()
? base::UTF16ToASCII(
GetText(table_->selection_model().active().value(), 0))
: std::string("<None>");
}
} // namespace views::examples
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