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/*
* Copyright (c) 2020, Itamar S. <itamar8910@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "GitWidget.h"
#include "../Dialogs/Git/GitCommitDialog.h"
#include "GitFilesModel.h"
#include <LibCore/Stream.h>
#include <LibDiff/Format.h>
#include <LibGUI/Application.h>
#include <LibGUI/BoxLayout.h>
#include <LibGUI/Button.h>
#include <LibGUI/InputBox.h>
#include <LibGUI/Label.h>
#include <LibGUI/MessageBox.h>
#include <LibGUI/Painter.h>
#include <LibGfx/Bitmap.h>
#include <stdio.h>
namespace HackStudio {
GitWidget::GitWidget()
{
set_layout<GUI::HorizontalBoxLayout>();
auto& unstaged = add<GUI::Widget>();
unstaged.set_layout<GUI::VerticalBoxLayout>();
auto& unstaged_header = unstaged.add<GUI::Widget>();
unstaged_header.set_layout<GUI::HorizontalBoxLayout>();
auto& refresh_button = unstaged_header.add<GUI::Button>();
refresh_button.set_icon(Gfx::Bitmap::load_from_file("/res/icons/16x16/reload.png"sv).release_value_but_fixme_should_propagate_errors());
refresh_button.set_fixed_size(16, 16);
refresh_button.set_tooltip("refresh");
refresh_button.on_click = [this](int) { refresh(); };
auto& unstaged_label = unstaged_header.add<GUI::Label>();
unstaged_label.set_text("Unstaged");
unstaged_header.set_fixed_height(20);
m_unstaged_files = unstaged.add<GitFilesView>(
[this](auto const& file) { stage_file(file); },
Gfx::Bitmap::load_from_file("/res/icons/16x16/plus.png"sv).release_value_but_fixme_should_propagate_errors());
m_unstaged_files->on_selection_change = [this] {
const auto& index = m_unstaged_files->selection().first();
if (!index.is_valid())
return;
const auto& selected = index.data().as_string();
show_diff(selected);
};
auto& staged = add<GUI::Widget>();
staged.set_layout<GUI::VerticalBoxLayout>();
auto& staged_header = staged.add<GUI::Widget>();
staged_header.set_layout<GUI::HorizontalBoxLayout>();
auto& commit_button = staged_header.add<GUI::Button>();
commit_button.set_icon(Gfx::Bitmap::load_from_file("/res/icons/16x16/commit.png"sv).release_value_but_fixme_should_propagate_errors());
commit_button.set_fixed_size(16, 16);
commit_button.set_tooltip("commit");
commit_button.on_click = [this](int) { commit(); };
auto& staged_label = staged_header.add<GUI::Label>();
staged_label.set_text("Staged");
staged_header.set_fixed_height(20);
m_staged_files = staged.add<GitFilesView>(
[this](auto const& file) { unstage_file(file); },
Gfx::Bitmap::load_from_file("/res/icons/16x16/minus.png"sv).release_value_but_fixme_should_propagate_errors());
}
bool GitWidget::initialize()
{
auto result = GitRepo::try_to_create(m_repo_root);
switch (result.type) {
case GitRepo::CreateResult::Type::Success:
m_git_repo = result.repo;
return true;
case GitRepo::CreateResult::Type::GitProgramNotFound:
GUI::MessageBox::show(window(), "Please install the Git port"sv, "Error"sv, GUI::MessageBox::Type::Error);
return false;
case GitRepo::CreateResult::Type::NoGitRepo: {
auto decision = GUI::MessageBox::show(window(), "Create git repository?"sv, "Git"sv, GUI::MessageBox::Type::Question, GUI::MessageBox::InputType::YesNo);
if (decision != GUI::Dialog::ExecResult::Yes)
return false;
m_git_repo = GitRepo::initialize_repository(m_repo_root);
return true;
}
default:
VERIFY_NOT_REACHED();
}
}
bool GitWidget::initialize_if_needed()
{
if (initialized())
return true;
return initialize();
}
void GitWidget::refresh()
{
if (!initialize_if_needed()) {
dbgln("GitWidget initialization failed");
return;
}
VERIFY(!m_git_repo.is_null());
m_unstaged_files->set_model(GitFilesModel::create(m_git_repo->unstaged_files()));
m_staged_files->set_model(GitFilesModel::create(m_git_repo->staged_files()));
}
void GitWidget::stage_file(DeprecatedString const& file)
{
dbgln("staging: {}", file);
bool rc = m_git_repo->stage(file);
VERIFY(rc);
refresh();
}
void GitWidget::unstage_file(DeprecatedString const& file)
{
dbgln("unstaging: {}", file);
bool rc = m_git_repo->unstage(file);
VERIFY(rc);
refresh();
}
void GitWidget::commit()
{
if (m_git_repo.is_null()) {
GUI::MessageBox::show(window(), "There is no git repository to commit to!"sv, "Error"sv, GUI::MessageBox::Type::Error);
return;
}
auto dialog = GitCommitDialog::construct(window());
dialog->on_commit = [this](auto& message) {
m_git_repo->commit(message);
refresh();
};
dialog->exec();
}
void GitWidget::set_view_diff_callback(ViewDiffCallback callback)
{
m_view_diff_callback = move(callback);
}
void GitWidget::show_diff(DeprecatedString const& file_path)
{
if (!m_git_repo->is_tracked(file_path)) {
auto file = Core::Stream::File::open(file_path, Core::Stream::OpenMode::Read).release_value_but_fixme_should_propagate_errors();
auto content = file->read_until_eof().release_value_but_fixme_should_propagate_errors();
m_view_diff_callback("", Diff::generate_only_additions(content));
return;
}
auto const& original_content = m_git_repo->original_file_content(file_path);
auto const& diff = m_git_repo->unstaged_diff(file_path);
VERIFY(original_content.has_value() && diff.has_value());
m_view_diff_callback(original_content.value(), diff.value());
}
void GitWidget::change_repo(DeprecatedString const& repo_root)
{
m_repo_root = repo_root;
m_git_repo = nullptr;
m_unstaged_files->set_model(nullptr);
m_staged_files->set_model(nullptr);
}
}
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