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	 3f3f45580a
			
		
	
	
		3f3f45580a
		
	
	
	
	
		
			
			Each of these strings would previously rely on StringView's char const* constructor overload, which would call __builtin_strlen on the string. Since we now have operator ""sv, we can replace these with much simpler versions. This opens the door to being able to remove StringView(char const*). No functional changes.
		
			
				
	
	
		
			281 lines
		
	
	
	
		
			11 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			281 lines
		
	
	
	
		
			11 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2020-2021, the SerenityOS developers.
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|  *
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|  * SPDX-License-Identifier: BSD-2-Clause
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|  */
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| 
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| #include "ImportDialog.h"
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| #include "Spreadsheet.h"
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| #include <AK/JsonParser.h>
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| #include <AK/LexicalPath.h>
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| #include <Applications/Spreadsheet/CSVImportGML.h>
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| #include <Applications/Spreadsheet/FormatSelectionPageGML.h>
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| #include <LibCore/File.h>
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| #include <LibGUI/Application.h>
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| #include <LibGUI/CheckBox.h>
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| #include <LibGUI/ComboBox.h>
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| #include <LibGUI/ItemListModel.h>
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| #include <LibGUI/RadioButton.h>
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| #include <LibGUI/StackWidget.h>
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| #include <LibGUI/TableView.h>
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| #include <LibGUI/TextBox.h>
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| #include <LibGUI/Window.h>
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| #include <LibGUI/Wizards/WizardDialog.h>
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| #include <LibGUI/Wizards/WizardPage.h>
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| 
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| namespace Spreadsheet {
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| 
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| CSVImportDialogPage::CSVImportDialogPage(StringView csv)
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|     : m_csv(csv)
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| {
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|     m_page = GUI::WizardPage::construct(
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|         "CSV Import Options",
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|         "Please select the options for the csv file you wish to import");
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| 
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|     m_page->body_widget().load_from_gml(csv_import_gml);
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|     m_page->set_is_final_page(true);
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| 
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|     m_delimiter_comma_radio = m_page->body_widget().find_descendant_of_type_named<GUI::RadioButton>("delimiter_comma_radio");
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|     m_delimiter_semicolon_radio = m_page->body_widget().find_descendant_of_type_named<GUI::RadioButton>("delimiter_semicolon_radio");
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|     m_delimiter_tab_radio = m_page->body_widget().find_descendant_of_type_named<GUI::RadioButton>("delimiter_tab_radio");
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|     m_delimiter_space_radio = m_page->body_widget().find_descendant_of_type_named<GUI::RadioButton>("delimiter_space_radio");
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|     m_delimiter_other_radio = m_page->body_widget().find_descendant_of_type_named<GUI::RadioButton>("delimiter_other_radio");
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|     m_delimiter_other_text_box = m_page->body_widget().find_descendant_of_type_named<GUI::TextBox>("delimiter_other_text_box");
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|     m_quote_single_radio = m_page->body_widget().find_descendant_of_type_named<GUI::RadioButton>("quote_single_radio");
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|     m_quote_double_radio = m_page->body_widget().find_descendant_of_type_named<GUI::RadioButton>("quote_double_radio");
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|     m_quote_other_radio = m_page->body_widget().find_descendant_of_type_named<GUI::RadioButton>("quote_other_radio");
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|     m_quote_other_text_box = m_page->body_widget().find_descendant_of_type_named<GUI::TextBox>("quote_other_text_box");
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|     m_quote_escape_combo_box = m_page->body_widget().find_descendant_of_type_named<GUI::ComboBox>("quote_escape_combo_box");
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|     m_read_header_check_box = m_page->body_widget().find_descendant_of_type_named<GUI::CheckBox>("read_header_check_box");
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|     m_trim_leading_field_spaces_check_box = m_page->body_widget().find_descendant_of_type_named<GUI::CheckBox>("trim_leading_field_spaces_check_box");
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|     m_trim_trailing_field_spaces_check_box = m_page->body_widget().find_descendant_of_type_named<GUI::CheckBox>("trim_trailing_field_spaces_check_box");
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|     m_data_preview_table_view = m_page->body_widget().find_descendant_of_type_named<GUI::TableView>("data_preview_table_view");
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|     m_data_preview_error_label = m_page->body_widget().find_descendant_of_type_named<GUI::Label>("data_preview_error_label");
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|     m_data_preview_widget = m_page->body_widget().find_descendant_of_type_named<GUI::StackWidget>("data_preview_widget");
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| 
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|     m_quote_escape_combo_box->set_model(GUI::ItemListModel<String>::create(m_quote_escape_items));
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| 
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|     // By default, use commas, double quotes with repeat, and disable headers.
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|     m_delimiter_comma_radio->set_checked(true);
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|     m_quote_double_radio->set_checked(true);
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|     m_quote_escape_combo_box->set_selected_index(0); // Repeat
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| 
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|     m_delimiter_comma_radio->on_checked = [&](auto) { update_preview(); };
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|     m_delimiter_semicolon_radio->on_checked = [&](auto) { update_preview(); };
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|     m_delimiter_tab_radio->on_checked = [&](auto) { update_preview(); };
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|     m_delimiter_space_radio->on_checked = [&](auto) { update_preview(); };
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|     m_delimiter_other_radio->on_checked = [&](auto) { update_preview(); };
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|     m_delimiter_other_text_box->on_change = [&] {
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|         if (m_delimiter_other_radio->is_checked())
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|             update_preview();
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|     };
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|     m_quote_single_radio->on_checked = [&](auto) { update_preview(); };
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|     m_quote_double_radio->on_checked = [&](auto) { update_preview(); };
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|     m_quote_other_radio->on_checked = [&](auto) { update_preview(); };
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|     m_quote_other_text_box->on_change = [&] {
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|         if (m_quote_other_radio->is_checked())
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|             update_preview();
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|     };
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|     m_quote_escape_combo_box->on_change = [&](auto&, auto&) { update_preview(); };
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|     m_read_header_check_box->on_checked = [&](auto) { update_preview(); };
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|     m_trim_leading_field_spaces_check_box->on_checked = [&](auto) { update_preview(); };
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|     m_trim_trailing_field_spaces_check_box->on_checked = [&](auto) { update_preview(); };
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| 
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|     update_preview();
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| }
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| 
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| auto CSVImportDialogPage::make_reader() -> Optional<Reader::XSV>
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| {
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|     String delimiter;
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|     String quote;
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|     Reader::ParserTraits::QuoteEscape quote_escape;
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| 
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|     // Delimiter
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|     if (m_delimiter_other_radio->is_checked())
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|         delimiter = m_delimiter_other_text_box->text();
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|     else if (m_delimiter_comma_radio->is_checked())
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|         delimiter = ",";
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|     else if (m_delimiter_semicolon_radio->is_checked())
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|         delimiter = ";";
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|     else if (m_delimiter_tab_radio->is_checked())
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|         delimiter = "\t";
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|     else if (m_delimiter_space_radio->is_checked())
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|         delimiter = " ";
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|     else
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|         return {};
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| 
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|     // Quote separator
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|     if (m_quote_other_radio->is_checked())
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|         quote = m_quote_other_text_box->text();
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|     else if (m_quote_single_radio->is_checked())
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|         quote = "'";
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|     else if (m_quote_double_radio->is_checked())
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|         quote = "\"";
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|     else
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|         return {};
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| 
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|     // Quote escape
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|     auto index = m_quote_escape_combo_box->selected_index();
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|     if (index == 0)
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|         quote_escape = Reader::ParserTraits::Repeat;
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|     else if (index == 1)
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|         quote_escape = Reader::ParserTraits::Backslash;
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|     else
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|         return {};
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| 
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|     auto should_read_headers = m_read_header_check_box->is_checked();
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|     auto should_trim_leading = m_trim_leading_field_spaces_check_box->is_checked();
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|     auto should_trim_trailing = m_trim_trailing_field_spaces_check_box->is_checked();
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| 
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|     if (quote.is_empty() || delimiter.is_empty())
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|         return {};
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| 
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|     Reader::ParserTraits traits {
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|         move(delimiter),
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|         move(quote),
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|         quote_escape,
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|     };
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| 
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|     auto behaviors = Reader::default_behaviors() | Reader::ParserBehavior::Lenient;
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| 
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|     if (should_read_headers)
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|         behaviors = behaviors | Reader::ParserBehavior::ReadHeaders;
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|     if (should_trim_leading)
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|         behaviors = behaviors | Reader::ParserBehavior::TrimLeadingFieldSpaces;
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|     if (should_trim_trailing)
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|         behaviors = behaviors | Reader::ParserBehavior::TrimTrailingFieldSpaces;
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| 
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|     return Reader::XSV(m_csv, move(traits), behaviors);
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| };
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| 
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| void CSVImportDialogPage::update_preview()
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| 
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| {
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|     m_previously_made_reader = make_reader();
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|     if (!m_previously_made_reader.has_value()) {
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|         m_data_preview_table_view->set_model(nullptr);
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|         m_data_preview_error_label->set_text("Could not read the given file");
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|         m_data_preview_widget->set_active_widget(m_data_preview_error_label);
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|         return;
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|     }
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| 
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|     auto& reader = *m_previously_made_reader;
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|     if (reader.has_error()) {
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|         m_data_preview_table_view->set_model(nullptr);
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|         m_data_preview_error_label->set_text(String::formatted("XSV parse error:\n{}", reader.error_string()));
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|         m_data_preview_widget->set_active_widget(m_data_preview_error_label);
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|         return;
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|     }
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| 
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|     auto headers = reader.headers();
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| 
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|     m_data_preview_table_view->set_model(
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|         GUI::ItemListModel<Reader::XSV::Row, Reader::XSV, Vector<String>>::create(reader, headers, min(8ul, reader.size())));
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|     m_data_preview_widget->set_active_widget(m_data_preview_table_view);
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|     m_data_preview_table_view->update();
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| }
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| 
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| Result<NonnullRefPtrVector<Sheet>, String> ImportDialog::make_and_run_for(GUI::Window& parent, StringView mime, Core::File& file, Workbook& workbook)
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| {
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|     auto wizard = GUI::WizardDialog::construct(&parent);
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|     wizard->set_title("File Import Wizard");
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|     wizard->set_icon(GUI::Icon::default_icon("app-spreadsheet"sv).bitmap_for_size(16));
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| 
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|     auto import_xsv = [&]() -> Result<NonnullRefPtrVector<Sheet>, String> {
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|         auto contents = file.read_all();
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|         CSVImportDialogPage page { contents };
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|         wizard->replace_page(page.page());
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|         auto result = wizard->exec();
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| 
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|         if (result == GUI::Dialog::ExecResult::OK) {
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|             auto& reader = page.reader();
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| 
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|             NonnullRefPtrVector<Sheet> sheets;
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| 
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|             if (reader.has_value()) {
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|                 reader->parse();
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|                 if (reader.value().has_error())
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|                     return String::formatted("CSV Import failed: {}", reader.value().error_string());
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| 
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|                 auto sheet = Sheet::from_xsv(reader.value(), workbook);
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|                 if (sheet)
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|                     sheets.append(sheet.release_nonnull());
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|             }
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| 
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|             return sheets;
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|         } else {
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|             return String { "CSV Import was cancelled" };
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|         }
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|     };
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| 
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|     auto import_worksheet = [&]() -> Result<NonnullRefPtrVector<Sheet>, String> {
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|         auto json_value_option = JsonParser(file.read_all()).parse();
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|         if (json_value_option.is_error()) {
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|             StringBuilder sb;
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|             sb.append("Failed to parse "sv);
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|             sb.append(file.filename());
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| 
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|             return sb.to_string();
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|         }
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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 "sv);
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|             sb.append(file.filename());
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| 
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|             return sb.to_string();
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|         }
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| 
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|         NonnullRefPtrVector<Sheet> sheets;
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| 
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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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| 
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|             if (auto sheet = Sheet::from_json(sheet_json.as_object(), workbook))
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|                 sheets.append(sheet.release_nonnull());
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| 
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|             return IterationDecision::Continue;
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|         });
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| 
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|         return sheets;
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|     };
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| 
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|     if (mime == "text/csv") {
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|         return import_xsv();
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|     } else if (mime == "application/x-sheets+json") {
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|         return import_worksheet();
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|     } else {
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|         auto page = GUI::WizardPage::construct(
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|             "Import File Format",
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|             String::formatted("Select the format you wish to import '{}' as", LexicalPath::basename(file.filename())));
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| 
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|         page->on_next_page = [] { return nullptr; };
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| 
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|         page->body_widget().load_from_gml(select_format_page_gml);
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|         auto format_combo_box = page->body_widget().find_descendant_of_type_named<GUI::ComboBox>("select_format_page_format_combo_box");
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| 
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|         Vector<String> supported_formats {
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|             "CSV (text/csv)",
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|             "Spreadsheet Worksheet",
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|         };
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|         format_combo_box->set_model(GUI::ItemListModel<String>::create(supported_formats));
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| 
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|         wizard->push_page(page);
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| 
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|         if (wizard->exec() != GUI::Dialog::ExecResult::OK)
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|             return String { "Import was cancelled" };
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| 
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|         if (format_combo_box->selected_index() == 0)
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|             return import_xsv();
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| 
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|         if (format_combo_box->selected_index() == 1)
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|             return import_worksheet();
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| 
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|         VERIFY_NOT_REACHED();
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|     }
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| }
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| 
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| };
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