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#include <ftxui/component/screen_interactive.hpp>
#include "component.h"
namespace katja
{
PackageList::PackageList(const std::vector<std::string>& header, const std::vector<std::vector<std::string>>& data)
: m_data(data), m_header(header)
{
}
ftxui::Element PackageList::Render()
{
std::vector<std::vector<std::string>> data{ m_header };
std::size_t dimy = ftxui::ScreenInteractive::Active()->dimy();
if (dimy == 0)
{
dimy = ftxui::Terminal::Size().dimy;
}
if (dimy > 4) // 4 = headers and borders.
{
std::size_t row_count = std::min(m_data.size() - top_line, dimy - 4 + top_line);
std::copy(m_data.cbegin() + top_line, m_data.cbegin() + row_count, std::back_inserter(data));
}
ftxui::Table table{ data };
table.SelectAll().Border(ftxui::LIGHT);
// Add border around the first column.
table.SelectColumn(0).Border(ftxui::LIGHT);
// Make first row bold with a double border.
table.SelectRow(0).Decorate(ftxui::bold);
table.SelectRow(0).SeparatorVertical(ftxui::LIGHT);
table.SelectRow(0).Border(ftxui::DOUBLE);
// Align right the "Release date" column.
table.SelectColumn(2).DecorateCells(ftxui::align_right);
// Select row from the second to the last.
auto content = table.SelectRows(1, -1);
// Alternate in between 3 colors.
content.DecorateCellsAlternateRow(color(ftxui::Color::Blue), 3, 0);
content.DecorateCellsAlternateRow(color(ftxui::Color::Cyan), 3, 1);
content.DecorateCellsAlternateRow(color(ftxui::Color::White), 3, 2);
return table.Render();
}
bool PackageList::OnEvent(ftxui::Event event)
{
if (event == ftxui::Event::Character('q') || event == ftxui::Event::Escape)
{
event.screen_->ExitLoopClosure()();
}
else if (event == ftxui::Event::Character('j') || event == ftxui::Event::ArrowDown)
{
if (m_data.size() > 0 && top_line < (m_data.size() - 1))
{
++top_line;
}
}
else if (event == ftxui::Event::Character('k') || event == ftxui::Event::ArrowUp)
{
if (top_line > 0)
{
--top_line;
}
}
else
{
return false;
}
return true;
}
}
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