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ladybird/Userland/DevTools/SQLStudio/MainWidget.cpp
Karol Kosek 4b169cf25f LibGUI+Userland: Use action text as a fallback in Action::status_tip() 
Many applications already do this in their code. This change will simply
move the logic to a single function to stop repeating ourselves!
2023-06-15 13:53:22 +01:00

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/*
* Copyright (c) 2022, Dylan Katz <dykatz@uw.edu>
* Copyright (c) 2022, Tim Flynn <trflynn89@serenityos.org>
* Copyright (c) 2023, Cameron Youell <cameronyouell@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <DevTools/SQLStudio/SQLStudioGML.h>
#include <LibCore/DirIterator.h>
#include <LibCore/StandardPaths.h>
#include <LibDesktop/Launcher.h>
#include <LibFileSystem/FileSystem.h>
#include <LibGUI/Action.h>
#include <LibGUI/Application.h>
#include <LibGUI/BoxLayout.h>
#include <LibGUI/ComboBox.h>
#include <LibGUI/FilePicker.h>
#include <LibGUI/GroupBox.h>
#include <LibGUI/ItemListModel.h>
#include <LibGUI/JsonArrayModel.h>
#include <LibGUI/Menu.h>
#include <LibGUI/MessageBox.h>
#include <LibGUI/SortingProxyModel.h>
#include <LibGUI/Statusbar.h>
#include <LibGUI/TabWidget.h>
#include <LibGUI/TableView.h>
#include <LibGUI/TextDocument.h>
#include <LibGUI/TextEditor.h>
#include <LibGUI/Toolbar.h>
#include <LibGUI/ToolbarContainer.h>
#include <LibSQL/AST/Lexer.h>
#include <LibSQL/AST/Token.h>
#include <LibSQL/SQLClient.h>
#include <LibSQL/Value.h>
#include "MainWidget.h"
#include "ScriptEditor.h"
REGISTER_WIDGET(SQLStudio, MainWidget);
namespace SQLStudio {
static Vector<DeprecatedString> lookup_database_names()
{
static constexpr auto database_extension = ".db"sv;
auto database_path = DeprecatedString::formatted("{}/sql", Core::StandardPaths::data_directory());
if (!FileSystem::exists(database_path))
return {};
Core::DirIterator iterator(move(database_path), Core::DirIterator::SkipParentAndBaseDir);
Vector<DeprecatedString> database_names;
while (iterator.has_next()) {
if (auto database = iterator.next_path(); database.ends_with(database_extension))
database_names.append(database.substring(0, database.length() - database_extension.length()));
}
return database_names;
}
ErrorOr<NonnullRefPtr<MainWidget>> MainWidget::create()
{
auto widget = TRY(try_make_ref_counted<MainWidget>());
TRY(widget->load_from_gml(sql_studio_gml));
TRY(widget->setup());
return widget;
}
ErrorOr<void> MainWidget::setup()
{
m_new_action = GUI::Action::create("&New", { Mod_Ctrl, Key_N }, TRY(Gfx::Bitmap::load_from_file("/res/icons/16x16/new.png"sv)), [this](auto&) {
open_new_script();
});
m_open_action = GUI::CommonActions::make_open_action([&](auto&) {
if (auto result = GUI::FilePicker::get_open_filepath(window()); result.has_value())
open_script_from_file(LexicalPath { result.release_value() });
});
m_save_action = GUI::CommonActions::make_save_action([&](auto&) {
auto* editor = active_editor();
VERIFY(editor);
if (auto result = editor->save(); result.is_error())
GUI::MessageBox::show_error(window(), DeprecatedString::formatted("Failed to save {}\n{}", editor->path(), result.error()));
});
m_save_as_action = GUI::CommonActions::make_save_as_action([&](auto&) {
auto* editor = active_editor();
VERIFY(editor);
if (auto result = editor->save_as(); result.is_error())
GUI::MessageBox::show_error(window(), DeprecatedString::formatted("Failed to save {}\n{}", editor->path(), result.error()));
});
m_save_all_action = GUI::Action::create("Save All", { Mod_Ctrl | Mod_Alt, Key_S }, [this](auto&) {
auto* editor = active_editor();
VERIFY(editor);
m_tab_widget->for_each_child_widget([&](auto& child) {
auto& editor = verify_cast<ScriptEditor>(child);
m_tab_widget->set_active_widget(&editor);
if (auto result = editor.save(); result.is_error()) {
GUI::MessageBox::show_error(window(), DeprecatedString::formatted("Failed to save {}\n{}", editor.path(), result.error()));
return IterationDecision::Break;
} else if (!result.value()) {
return IterationDecision::Break;
}
return IterationDecision::Continue;
});
m_tab_widget->set_active_widget(editor);
});
m_copy_action = GUI::CommonActions::make_copy_action([&](auto&) {
auto* editor = active_editor();
VERIFY(editor);
editor->copy_action().activate();
update_editor_actions(editor);
});
m_cut_action = GUI::CommonActions::make_cut_action([&](auto&) {
auto* editor = active_editor();
VERIFY(editor);
editor->cut_action().activate();
update_editor_actions(editor);
});
m_paste_action = GUI::CommonActions::make_paste_action([&](auto&) {
auto* editor = active_editor();
VERIFY(editor);
editor->paste_action().activate();
update_editor_actions(editor);
});
m_undo_action = GUI::CommonActions::make_undo_action([&](auto&) {
auto* editor = active_editor();
VERIFY(editor);
editor->document().undo();
update_editor_actions(editor);
});
m_redo_action = GUI::CommonActions::make_redo_action([&](auto&) {
auto* editor = active_editor();
VERIFY(editor);
editor->document().redo();
update_editor_actions(editor);
});
m_connect_to_database_action = GUI::Action::create("Connect to Database"sv, { Mod_Alt, Key_C }, TRY(Gfx::Bitmap::load_from_file("/res/icons/16x16/go-forward.png"sv)), [this](auto&) {
auto database_name = m_databases_combo_box->text().trim_whitespace();
if (database_name.is_empty())
return;
m_run_script_action->set_enabled(false);
m_statusbar->set_text(1, "Disconnected"_string.release_value_but_fixme_should_propagate_errors());
if (m_connection_id.has_value()) {
m_sql_client->disconnect(*m_connection_id);
m_connection_id.clear();
}
if (auto connection_id = m_sql_client->connect(database_name); connection_id.has_value()) {
m_statusbar->set_text(1, String::formatted("Connected to: {}", database_name).release_value_but_fixme_should_propagate_errors());
m_connection_id = *connection_id;
m_run_script_action->set_enabled(true);
} else {
GUI::MessageBox::show_error(window(), DeprecatedString::formatted("Could not connect to {}", database_name));
}
});
m_run_script_action = GUI::Action::create("Run Script", { Mod_Alt, Key_F9 }, TRY(Gfx::Bitmap::load_from_file("/res/icons/16x16/play.png"sv)), [&](auto&) {
m_results.clear();
m_current_line_for_parsing = 0;
read_next_sql_statement_of_editor();
});
m_run_script_action->set_enabled(false);
static auto database_names = lookup_database_names();
m_databases_combo_box = GUI::ComboBox::construct();
m_databases_combo_box->set_editor_placeholder("Enter new database or select existing database"sv);
m_databases_combo_box->set_max_width(font().width(m_databases_combo_box->editor_placeholder()) + font().max_glyph_width() + 16);
m_databases_combo_box->set_model(*GUI::ItemListModel<DeprecatedString>::create(database_names));
m_databases_combo_box->on_return_pressed = [this]() {
m_connect_to_database_action->activate(m_databases_combo_box);
};
auto& toolbar = *find_descendant_of_type_named<GUI::Toolbar>("toolbar"sv);
toolbar.add_action(*m_new_action);
toolbar.add_action(*m_open_action);
toolbar.add_action(*m_save_action);
toolbar.add_action(*m_save_as_action);
toolbar.add_separator();
toolbar.add_action(*m_copy_action);
toolbar.add_action(*m_cut_action);
toolbar.add_action(*m_paste_action);
toolbar.add_separator();
toolbar.add_action(*m_undo_action);
toolbar.add_action(*m_redo_action);
toolbar.add_separator();
toolbar.add_child(*m_databases_combo_box);
toolbar.add_action(*m_connect_to_database_action);
toolbar.add_separator();
toolbar.add_action(*m_run_script_action);
m_tab_widget = find_descendant_of_type_named<GUI::TabWidget>("script_tab_widget"sv);
m_tab_widget->on_tab_close_click = [&](auto& widget) {
auto& editor = verify_cast<ScriptEditor>(widget);
if (auto result = editor.attempt_to_close(); result.is_error()) {
GUI::MessageBox::show_error(window(), DeprecatedString::formatted("Failed to save {}\n{}", editor.path(), result.error()));
} else if (result.value()) {
m_tab_widget->remove_tab(editor);
update_title();
on_editor_change();
}
};
m_tab_widget->on_change = [&](auto&) {
update_title();
on_editor_change();
};
m_action_tab_widget = find_descendant_of_type_named<GUI::TabWidget>("action_tab_widget"sv);
m_query_results_widget = m_action_tab_widget->add_tab<GUI::Widget>("Results"_short_string);
m_query_results_widget->set_layout<GUI::VerticalBoxLayout>(6);
m_query_results_table_view = m_query_results_widget->add<GUI::TableView>();
m_action_tab_widget->on_tab_close_click = [this](auto&) {
m_action_tab_widget->set_visible(false);
};
m_statusbar = find_descendant_of_type_named<GUI::Statusbar>("statusbar"sv);
m_statusbar->segment(1).set_mode(GUI::Statusbar::Segment::Mode::Auto);
m_statusbar->set_text(1, TRY("Disconnected"_string));
m_statusbar->segment(2).set_mode(GUI::Statusbar::Segment::Mode::Fixed);
m_statusbar->segment(2).set_fixed_width(font().width("Ln 0,000 Col 000"sv) + font().max_glyph_width());
GUI::Application::the()->on_action_enter = [this](GUI::Action& action) {
m_statusbar->set_override_text(action.status_tip());
};
GUI::Application::the()->on_action_leave = [this](GUI::Action&) {
m_statusbar->set_override_text({});
};
m_sql_client = TRY(SQL::SQLClient::try_create());
m_sql_client->on_execution_success = [this](auto result) {
m_result_column_names = move(result.column_names);
read_next_sql_statement_of_editor();
};
m_sql_client->on_execution_error = [this](auto result) {
auto* editor = active_editor();
VERIFY(editor);
GUI::MessageBox::show_error(window(), DeprecatedString::formatted("Error executing {}\n{}", editor->path(), result.error_message));
};
m_sql_client->on_next_result = [this](auto result) {
m_results.append({});
m_results.last().ensure_capacity(result.values.size());
for (auto const& value : result.values)
m_results.last().unchecked_append(value.to_deprecated_string());
};
m_sql_client->on_results_exhausted = [this](auto) {
if (m_results.size() == 0)
return;
if (m_results[0].size() == 0)
return;
Vector<GUI::JsonArrayModel::FieldSpec> query_result_fields;
for (auto& column_name : m_result_column_names)
query_result_fields.empend(column_name, String::from_deprecated_string(column_name).release_value_but_fixme_should_propagate_errors(), Gfx::TextAlignment::CenterLeft);
auto query_results_model = GUI::JsonArrayModel::create("{}", move(query_result_fields));
m_query_results_table_view->set_model(MUST(GUI::SortingProxyModel::create(*query_results_model)));
for (auto& result_row : m_results) {
Vector<JsonValue> individual_result_as_json;
for (auto& result_row_column : result_row)
individual_result_as_json.append(result_row_column);
MUST(query_results_model->add(move(individual_result_as_json)));
}
m_action_tab_widget->set_visible(true);
};
return {};
}
ErrorOr<void> MainWidget::initialize_menu(GUI::Window* window)
{
auto file_menu = TRY(window->try_add_menu("&File"_short_string));
TRY(file_menu->try_add_action(*m_new_action));
TRY(file_menu->try_add_action(*m_open_action));
TRY(file_menu->try_add_action(*m_save_action));
TRY(file_menu->try_add_action(*m_save_as_action));
TRY(file_menu->try_add_action(*m_save_all_action));
TRY(file_menu->try_add_separator());
TRY(file_menu->try_add_action(GUI::CommonActions::make_quit_action([](auto&) {
GUI::Application::the()->quit();
})));
auto edit_menu = TRY(window->try_add_menu("&Edit"_short_string));
TRY(edit_menu->try_add_action(*m_copy_action));
TRY(edit_menu->try_add_action(*m_cut_action));
TRY(edit_menu->try_add_action(*m_paste_action));
TRY(edit_menu->try_add_separator());
TRY(edit_menu->try_add_action(*m_undo_action));
TRY(edit_menu->try_add_action(*m_redo_action));
TRY(edit_menu->try_add_separator());
TRY(edit_menu->try_add_action(*m_run_script_action));
auto help_menu = TRY(window->try_add_menu("&Help"_short_string));
TRY(help_menu->try_add_action(GUI::CommonActions::make_command_palette_action(window)));
TRY(help_menu->try_add_action(GUI::CommonActions::make_help_action([](auto&) {
Desktop::Launcher::open(URL::create_with_file_scheme("/usr/share/man/man1/Applications/SQLStudio.md"), "/bin/Help");
})));
TRY(help_menu->try_add_action(GUI::CommonActions::make_about_action("SQL Studio", GUI::Icon::default_icon("app-sql-studio"sv), window)));
return {};
}
void MainWidget::open_new_script()
{
auto new_script_name = DeprecatedString::formatted("New Script - {}", m_new_script_counter);
++m_new_script_counter;
auto& editor = m_tab_widget->add_tab<ScriptEditor>(String::from_deprecated_string(new_script_name).release_value_but_fixme_should_propagate_errors());
editor.new_script_with_temp_name(new_script_name);
editor.on_cursor_change = [this] { on_editor_change(); };
editor.on_selection_change = [this] { on_editor_change(); };
editor.on_highlighter_change = [this] { on_editor_change(); };
m_tab_widget->set_active_widget(&editor);
}
void MainWidget::open_script_from_file(LexicalPath const& file_path)
{
auto& editor = m_tab_widget->add_tab<ScriptEditor>(String::from_utf8(file_path.title()).release_value_but_fixme_should_propagate_errors());
if (auto result = editor.open_script_from_file(file_path); result.is_error()) {
GUI::MessageBox::show_error(window(), DeprecatedString::formatted("Failed to open {}\n{}", file_path, result.error()));
return;
}
editor.on_cursor_change = [this] { on_editor_change(); };
editor.on_selection_change = [this] { on_editor_change(); };
editor.on_highlighter_change = [this] { on_editor_change(); };
m_tab_widget->set_active_widget(&editor);
}
bool MainWidget::request_close()
{
auto any_scripts_modified { false };
auto is_script_modified = [&](auto& child) {
auto& editor = verify_cast<ScriptEditor>(child);
if (editor.document().is_modified()) {
any_scripts_modified = true;
return IterationDecision::Break;
}
return IterationDecision::Continue;
};
m_tab_widget->for_each_child_widget(is_script_modified);
if (!any_scripts_modified)
return true;
auto result = GUI::MessageBox::ask_about_unsaved_changes(window(), {});
switch (result) {
case GUI::Dialog::ExecResult::Yes:
break;
case GUI::Dialog::ExecResult::No:
return true;
default:
return false;
}
m_save_all_action->activate();
any_scripts_modified = false;
m_tab_widget->for_each_child_widget(is_script_modified);
return !any_scripts_modified;
}
ScriptEditor* MainWidget::active_editor()
{
if (!m_tab_widget || !m_tab_widget->active_widget())
return nullptr;
return verify_cast<ScriptEditor>(m_tab_widget->active_widget());
}
void MainWidget::update_title()
{
if (auto* editor = active_editor())
window()->set_title(DeprecatedString::formatted("{} - SQL Studio", editor->name()));
else
window()->set_title("SQL Studio");
}
void MainWidget::on_editor_change()
{
auto* editor = active_editor();
update_statusbar(editor);
update_editor_actions(editor);
}
void MainWidget::update_statusbar(ScriptEditor* editor)
{
if (!editor) {
m_statusbar->set_text(0, {});
m_statusbar->set_text(2, {});
return;
}
StringBuilder builder;
if (editor->has_selection()) {
auto character_count = editor->selected_text().length();
auto word_count = editor->number_of_selected_words();
builder.appendff("Selected: {:'d} {} ({:'d} {})", character_count, character_count == 1 ? "character" : "characters", word_count, word_count != 1 ? "words" : "word");
}
m_statusbar->set_text(0, builder.to_string().release_value_but_fixme_should_propagate_errors());
m_statusbar->set_text(2, String::formatted("Ln {:'d} Col {:'d}", editor->cursor().line() + 1, editor->cursor().column()).release_value_but_fixme_should_propagate_errors());
}
void MainWidget::update_editor_actions(ScriptEditor* editor)
{
if (!editor) {
m_save_action->set_enabled(false);
m_save_as_action->set_enabled(false);
m_save_all_action->set_enabled(false);
m_run_script_action->set_enabled(false);
m_copy_action->set_enabled(false);
m_cut_action->set_enabled(false);
m_paste_action->set_enabled(false);
m_undo_action->set_enabled(false);
m_redo_action->set_enabled(false);
return;
}
m_save_action->set_enabled(true);
m_save_as_action->set_enabled(true);
m_save_all_action->set_enabled(true);
m_run_script_action->set_enabled(m_connection_id.has_value());
m_copy_action->set_enabled(editor->copy_action().is_enabled());
m_cut_action->set_enabled(editor->cut_action().is_enabled());
m_paste_action->set_enabled(editor->paste_action().is_enabled());
m_undo_action->set_enabled(editor->undo_action().is_enabled());
m_redo_action->set_enabled(editor->redo_action().is_enabled());
}
void MainWidget::drag_enter_event(GUI::DragEvent& event)
{
auto const& mime_types = event.mime_types();
if (mime_types.contains_slow("text/uri-list"))
event.accept();
}
void MainWidget::drop_event(GUI::DropEvent& drop_event)
{
drop_event.accept();
window()->move_to_front();
if (drop_event.mime_data().has_urls()) {
auto urls = drop_event.mime_data().urls();
if (urls.is_empty())
return;
for (auto& url : urls) {
auto& scheme = url.scheme();
if (!scheme.equals_ignoring_ascii_case("file"sv))
continue;
auto lexical_path = LexicalPath(url.serialize_path());
open_script_from_file(lexical_path);
}
}
}
void MainWidget::read_next_sql_statement_of_editor()
{
if (!m_connection_id.has_value())
return;
StringBuilder piece;
do {
if (!piece.is_empty())
piece.append('\n');
auto line_maybe = read_next_line_of_editor();
if (!line_maybe.has_value())
return;
auto& line = line_maybe.value();
auto lexer = SQL::AST::Lexer(line);
piece.append(line);
bool is_first_token = true;
bool is_command = false;
bool last_token_ended_statement = false;
bool tokens_found = false;
for (SQL::AST::Token token = lexer.next(); token.type() != SQL::AST::TokenType::Eof; token = lexer.next()) {
tokens_found = true;
switch (token.type()) {
case SQL::AST::TokenType::ParenOpen:
++m_editor_line_level;
break;
case SQL::AST::TokenType::ParenClose:
--m_editor_line_level;
break;
case SQL::AST::TokenType::SemiColon:
last_token_ended_statement = true;
break;
case SQL::AST::TokenType::Period:
if (is_first_token)
is_command = true;
break;
default:
last_token_ended_statement = is_command;
break;
}
is_first_token = false;
}
if (tokens_found)
m_editor_line_level = last_token_ended_statement ? 0 : (m_editor_line_level > 0 ? m_editor_line_level : 1);
} while ((m_editor_line_level > 0) || piece.is_empty());
auto sql_statement = piece.to_deprecated_string();
if (auto statement_id = m_sql_client->prepare_statement(*m_connection_id, sql_statement); statement_id.has_value()) {
m_sql_client->async_execute_statement(*statement_id, {});
} else {
auto* editor = active_editor();
VERIFY(editor);
GUI::MessageBox::show_error(window(), DeprecatedString::formatted("Could not parse {}\n{}", editor->path(), sql_statement));
}
}
Optional<DeprecatedString> MainWidget::read_next_line_of_editor()
{
auto* editor = active_editor();
if (!editor)
return {};
if (m_current_line_for_parsing >= editor->document().line_count())
return {};
auto result = editor->document().line(m_current_line_for_parsing).to_utf8();
++m_current_line_for_parsing;
return result;
}
}
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