1 files changed, 147 insertions, 0 deletions
diff --git a/cli/page.cpp b/cli/page.cpp
new file mode 100644
index 0000000..c0e1594
--- /dev/null
+++ b/cli/page.cpp
@@ -0,0 +1,147 @@
+#include "page.hpp"
+
+#include <algorithm>
+
+namespace katja
+{
+    ScreenContainer::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 ScreenContainer::OnRender()
+    {
+        return ftxui::vbox({
+            this->menu->Render(),
+            ftxui::separator(),
+            this->content->Render()
+        });
+    }
+
+    bool ScreenContainer::OnEvent(ftxui::Event event)
+    {
+        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);
+    }
+
+    ftxui::Element WelcomePage::OnRender()
+    {
+        return ftxui::paragraph("Select an action in the menu.");
+    }
+
+    void WelcomePage::Load()
+    {
+    }
+
+    UpdatesPage::UpdatesPage(std::shared_ptr<struct repository> repository, package_database database)
+        : repository(repository), database(database)
+    {
+    }
+
+    void UpdatesPage::Load()
+    {
+        this->updatable = PackageList("Updates", repository->get_updates(this->database));
+    }
+
+    ftxui::Element UpdatesPage::OnRender()
+    {
+        return this->updatable->Render();
+    }
+
+    SearchPage::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 SearchPage::Load()
+    {
+        this->needle.erase();
+    }
+
+    ftxui::Element SearchPage::OnRender()
+    {
+        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 SearchPage::OnEvent(ftxui::Event event)
+    {
+        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;
+    }
+}