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/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
module;
#include <algorithm>
#include "component.hpp"
export module page;
export namespace katja
{
class PageBase : public ftxui::ComponentBase
{
public:
virtual void Load() = 0;
};
using Page = std::shared_ptr<PageBase>;
using Pages = std::vector<Page>;
class ScreenContainer final : public ftxui::ComponentBase
{
int menu_selected{ 0 };
ftxui::Component menu;
ftxui::Component content;
std::vector<std::string> menu_entries;
Pages menu_pages;
std::function<void()> on_enter;
public:
ScreenContainer(std::vector<std::pair<std::string, Page>> pages, std::function<void()> on_enter)
: on_enter(on_enter)
{
ftxui::Components menu_pages;
std::transform(std::cbegin(pages), std::cend(pages), std::back_inserter(menu_entries),
[](const std::pair<std::string, Page>& pair) { return pair.first; });
std::transform(std::cbegin(pages), std::cend(pages), std::back_inserter(this->menu_pages),
[](const std::pair<std::string, Page>& pair) { return pair.second; });
std::copy(std::cbegin(this->menu_pages), std::cend(this->menu_pages), std::back_inserter(menu_pages));
ftxui::MenuOption menu_option = ftxui::MenuOption::Horizontal();
this->menu = ftxui::Toggle(&this->menu_entries, &this->menu_selected);
this->content = ftxui::Container::Tab(std::move(menu_pages), &this->menu_selected);
}
ftxui::Element OnRender() override
{
return ftxui::vbox({
this->menu->Render(),
ftxui::separator(),
this->content->Render()
});
}
bool OnEvent(ftxui::Event event) override
{
if (event == ftxui::Event::CtrlQ && this->on_enter)
{
on_enter();
return true;
}
int previously = this->menu_selected;
bool result{ false };
if (event == ftxui::Event::CtrlP)
{
result = menu->OnEvent(ftxui::Event::ArrowLeft);
}
else if (event == ftxui::Event::CtrlN)
{
result = menu->OnEvent(ftxui::Event::ArrowRight);
}
if (previously != this->menu_selected)
{
this->menu_pages.at(this->menu_selected)->Load();
}
if (!result)
{
result = this->menu_pages.at(this->menu_selected)->OnEvent(event);
}
return result;
}
};
ftxui::Component Screen(std::vector<std::pair<std::string, Page>> pages, std::function<void()> on_enter)
{
return std::make_shared<ScreenContainer>(std::move(pages), on_enter);
}
class WelcomePage final : public PageBase
{
public:
void Load() override
{
}
ftxui::Element OnRender() override
{
return ftxui::paragraph("Select an action in the menu.");
}
};
class UpdatesPage final : public PageBase
{
ftxui::Component updatable = PackageList("Updates");
std::shared_ptr<struct repository> repository;
package_database database;
public:
UpdatesPage(std::shared_ptr<struct repository> repository, package_database database)
: repository(repository), database(database)
{
}
void Load() override
{
this->updatable = PackageList("Updates", repository->get_updates(this->database));
}
ftxui::Element OnRender() override
{
return this->updatable->Render();
}
};
class SearchPage final : public PageBase
{
std::string needle;
ftxui::Component search_input;
ftxui::Component type_input;
std::shared_ptr<struct repository> repository;
std::string architecture;
ftxui::Component search_results = PackageList("Results");
int search_type{ 0 };
public:
SearchPage(std::shared_ptr<struct repository> repository, const std::string& architecture)
: repository(repository), architecture(architecture)
{
ftxui::InputOption search_input_option = { .multiline = false };
this->search_input = ftxui::Input(&this->needle, "Search", search_input_option);
this->type_input = ftxui::Radiobox(std::vector<std::string>{ "Names", "Description" }, &this->search_type);
}
void Load() override
{
this->needle.erase();
}
ftxui::Element OnRender() override
{
std::vector<ftxui::Element> lines;
ftxui::FlexboxConfig config;
config.justify_content = ftxui::FlexboxConfig::JustifyContent::SpaceAround;
config.align_items = ftxui::FlexboxConfig::AlignItems::FlexStart;
config.direction = ftxui::FlexboxConfig::Direction::Row;
config.wrap = ftxui::FlexboxConfig::Wrap::NoWrap;
config.SetGap(3, 0);
return ftxui::vbox({
ftxui::flexbox({
this->search_input->Render(),
ftxui::window(ftxui::text("Search in"), type_input->Render())
}, config),
this->search_results->Render() | ftxui::flex
});
}
bool OnEvent(ftxui::Event event) override
{
if (event == ftxui::Event::Return)
{
if (!this->needle.empty())
{
std::vector<package_identifier> result =
this->repository->search_names(this->architecture, this->needle);
this->search_results = PackageList("Search", std::move(result));
}
return true;
}
else if (event == ftxui::Event::ArrowUp || event == ftxui::Event::ArrowDown)
{
this->search_results->OnEvent(event);
return true;
}
else
{
return this->search_input->OnEvent(event);
}
return false;
}
};
}
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