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https://github.com/RGBCube/serenity
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Spreadsheet: Implement state-preserving saves and loads
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parent
916e5e8cb3
commit
fdf0660064
5 changed files with 215 additions and 22 deletions
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@ -30,6 +30,7 @@
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#include <AK/JsonArray.h>
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#include <AK/JsonObject.h>
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#include <AK/JsonObjectSerializer.h>
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#include <AK/JsonParser.h>
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#include <LibCore/File.h>
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#include <LibGUI/BoxLayout.h>
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#include <LibGUI/Button.h>
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@ -42,7 +43,8 @@
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namespace Spreadsheet {
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SpreadsheetWidget::SpreadsheetWidget()
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SpreadsheetWidget::SpreadsheetWidget(NonnullRefPtrVector<Sheet>&& sheets, bool should_add_sheet_if_empty)
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: m_sheets(move(sheets))
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{
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set_fill_with_background_color(true);
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set_layout<GUI::VerticalBoxLayout>().set_margins({ 2, 2, 2, 2 });
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@ -76,8 +78,23 @@ SpreadsheetWidget::SpreadsheetWidget()
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m_tab_widget = container.add<GUI::TabWidget>();
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m_tab_widget->set_tab_position(GUI::TabWidget::TabPosition::Bottom);
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m_sheets.append(Sheet::construct("Sheet 1"));
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auto& tab = m_tab_widget->add_tab<SpreadsheetView>(m_sheets.first().name(), m_sheets.first());
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m_cell_value_editor = cell_value_editor;
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m_current_cell_label = current_cell_label;
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if (m_sheets.is_empty() && should_add_sheet_if_empty)
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m_sheets.append(Sheet::construct("Sheet 1"));
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setup_tabs();
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}
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void SpreadsheetWidget::setup_tabs()
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{
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RefPtr<GUI::Widget> first_tab_widget;
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for (auto& sheet : m_sheets) {
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auto& tab = m_tab_widget->add_tab<SpreadsheetView>(sheet.name(), sheet);
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if (!first_tab_widget)
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first_tab_widget = &tab;
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}
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auto change = [&](auto& selected_widget) {
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if (m_selected_view) {
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@ -89,26 +106,28 @@ SpreadsheetWidget::SpreadsheetWidget()
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StringBuilder builder;
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builder.append(position.column);
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builder.appendf("%zu", position.row);
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current_cell_label.set_enabled(true);
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current_cell_label.set_text(builder.string_view());
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m_current_cell_label->set_enabled(true);
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m_current_cell_label->set_text(builder.string_view());
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cell_value_editor.on_change = nullptr;
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cell_value_editor.set_text(cell.source());
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cell_value_editor.on_change = [&] {
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cell.set_data(cell_value_editor.text());
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m_cell_value_editor->on_change = nullptr;
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m_cell_value_editor->set_text(cell.source());
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m_cell_value_editor->on_change = [&] {
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cell.set_data(m_cell_value_editor->text());
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m_selected_view->sheet().update();
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};
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cell_value_editor.set_enabled(true);
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m_cell_value_editor->set_enabled(true);
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};
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m_selected_view->on_selection_dropped = [&]() {
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cell_value_editor.set_enabled(false);
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cell_value_editor.set_text("");
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current_cell_label.set_enabled(false);
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current_cell_label.set_text("");
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m_cell_value_editor->set_enabled(false);
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m_cell_value_editor->set_text("");
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m_current_cell_label->set_enabled(false);
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m_current_cell_label->set_text("");
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};
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};
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change(tab);
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if (first_tab_widget)
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change(*first_tab_widget);
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m_tab_widget->on_change = [change = move(change)](auto& selected_widget) {
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change(selected_widget);
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};
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@ -118,6 +137,66 @@ SpreadsheetWidget::~SpreadsheetWidget()
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{
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}
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void SpreadsheetWidget::load(const StringView& filename)
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{
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auto file_or_error = Core::File::open(filename, Core::IODevice::OpenMode::ReadOnly);
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if (file_or_error.is_error()) {
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StringBuilder sb;
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sb.append("Failed to open ");
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sb.append(filename);
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sb.append(" for reading. Error: ");
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sb.append(file_or_error.error());
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GUI::MessageBox::show(window(), sb.to_string(), "Error", GUI::MessageBox::Type::Error);
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return;
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}
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auto json_value_option = JsonParser(file_or_error.value()->read_all()).parse();
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if (!json_value_option.has_value()) {
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StringBuilder sb;
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sb.append("Failed to parse ");
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sb.append(filename);
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GUI::MessageBox::show(window(), sb.to_string(), "Error", GUI::MessageBox::Type::Error);
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return;
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}
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auto& json_value = json_value_option.value();
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if (!json_value.is_array()) {
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StringBuilder sb;
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sb.append("Did not find a spreadsheet in ");
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sb.append(filename);
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GUI::MessageBox::show(window(), sb.to_string(), "Error", GUI::MessageBox::Type::Error);
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return;
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}
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NonnullRefPtrVector<Sheet> sheets;
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auto& json_array = json_value.as_array();
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json_array.for_each([&](auto& sheet_json) {
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if (!sheet_json.is_object())
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return IterationDecision::Continue;
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auto sheet = Sheet::from_json(sheet_json.as_object());
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if (!sheet)
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return IterationDecision::Continue;
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sheets.append(sheet.release_nonnull());
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return IterationDecision::Continue;
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});
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m_sheets.clear();
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m_sheets = move(sheets);
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while (auto* widget = m_tab_widget->active_widget()) {
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m_tab_widget->remove_tab(*widget);
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}
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setup_tabs();
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}
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void SpreadsheetWidget::save(const StringView& filename)
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{
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JsonArray array;
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