diff options
Diffstat (limited to 'works/life/cpp-practicum')
| -rw-r--r-- | works/life/cpp-practicum/.gitignore | 597 | ||||
| -rw-r--r-- | works/life/cpp-practicum/Base.hpp | 25 | ||||
| -rw-r--r-- | works/life/cpp-practicum/Book.cpp | 36 | ||||
| -rw-r--r-- | works/life/cpp-practicum/Book.hpp | 51 | ||||
| -rw-r--r-- | works/life/cpp-practicum/CMakeLists.txt | 33 | ||||
| -rw-r--r-- | works/life/cpp-practicum/Record.cpp | 343 | ||||
| -rw-r--r-- | works/life/cpp-practicum/Record.hpp | 76 | ||||
| -rw-r--r-- | works/life/cpp-practicum/Vendor.cpp | 33 | ||||
| -rw-r--r-- | works/life/cpp-practicum/Vendor.hpp | 45 | ||||
| -rw-r--r-- | works/life/cpp-practicum/main.cpp | 122 | ||||
| -rw-r--r-- | works/life/cpp-practicum/vcpkg.json | 6 |
11 files changed, 1367 insertions, 0 deletions
diff --git a/works/life/cpp-practicum/.gitignore b/works/life/cpp-practicum/.gitignore new file mode 100644 index 0000000..42ea155 --- /dev/null +++ b/works/life/cpp-practicum/.gitignore @@ -0,0 +1,597 @@ +
+# Created by https://www.gitignore.io/api/c++,cmake,python,visualstudio,visualstudiocode
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+### C++ ###
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+### VisualStudioCode ###
+.vscode/*
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+### VisualStudioCode Patch ###
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+.history
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+### VisualStudio ###
+## Ignore Visual Studio temporary files, build results, and
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+# in these scripts will be unencrypted
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+#!**/[Pp]ackages/repositories.config
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+
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+# (https://github.com/github/gitignore/pull/2483#issue-259490424)
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+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
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+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
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+_Pvt_Extensions
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+# Paket dependency manager
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+# CodeRush personal settings
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+# Cake - Uncomment if you are using it
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+# Backup folder for Package Reference Convert tool in Visual Studio 2017
+MigrationBackup/
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+# End of https://www.gitignore.io/api/c++,cmake,python,visualstudio,visualstudiocode
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+### Emacs ###
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+*~
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+compile_flags.txt
+.clangd
+.kdev4
+CruUI.kdev4
+
+vcpkg_installed
diff --git a/works/life/cpp-practicum/Base.hpp b/works/life/cpp-practicum/Base.hpp new file mode 100644 index 0000000..44a9d6c --- /dev/null +++ b/works/life/cpp-practicum/Base.hpp @@ -0,0 +1,25 @@ +#pragma once
+
+#include <exception>
+#include <stdexcept>
+
+#define CRU_DEFAULT_COPY(classname) \
+ classname(const classname &) = default; \
+ classname &operator=(const classname &) = default;
+
+#define CRU_DEFAULT_MOVE(classname) \
+ classname(classname &&) = default; \
+ classname &operator=(classname &&) = default;
+
+#define CRU_DELETE_COPY(classname) \
+ classname(const classname &) = delete; \
+ classname &operator=(const classname &) = delete;
+
+#define CRU_DELETE_MOVE(classname) \
+ classname(classname &&) = delete; \
+ classname &operator=(classname &&) = delete;
+
+class SerializationException : public std::runtime_error {
+public:
+ using runtime_error::runtime_error;
+};
diff --git a/works/life/cpp-practicum/Book.cpp b/works/life/cpp-practicum/Book.cpp new file mode 100644 index 0000000..bf67d7c --- /dev/null +++ b/works/life/cpp-practicum/Book.cpp @@ -0,0 +1,36 @@ +#include "Book.hpp"
+
+#include <QString>
+
+QTextStream &operator>>(QTextStream &left, Book &right) {
+ auto line = left.readLine();
+
+ auto fields = line.split(QChar('|'));
+
+ if (fields.size() != 6) {
+ throw SerializationException("The line has not 6 parts.");
+ }
+
+ right.SetIsbn(fields[0].toStdU16String());
+ right.SetTitle(fields[1].toStdU16String());
+ right.SetType(fields[2].toStdU16String());
+ right.SetAuthor(fields[3].toStdU16String());
+ right.SetPress(fields[4].toStdU16String());
+
+ bool ok;
+ auto stock_count = fields[5].toInt(&ok);
+ if (!ok) {
+ throw SerializationException("Part 6 is not a number.");
+ }
+
+ right.SetStockCount(stock_count);
+
+ return left;
+}
+
+QTextStream &operator<<(QTextStream &left, const Book &right) {
+ left << right.GetIsbn() << '|' << right.GetTitle() << '|' << right.GetType()
+ << '|' << right.GetAuthor() << '|' << right.GetPress() << '|'
+ << right.GetStockCount();
+ return left;
+}
diff --git a/works/life/cpp-practicum/Book.hpp b/works/life/cpp-practicum/Book.hpp new file mode 100644 index 0000000..250460f --- /dev/null +++ b/works/life/cpp-practicum/Book.hpp @@ -0,0 +1,51 @@ +#pragma once
+#include "Base.hpp"
+
+#include <QTextStream>
+#include <string>
+
+class Book final {
+public:
+ Book() = default;
+
+ Book(std::u16string isbn, std::u16string title, std::u16string type,
+ std::u16string author, std::u16string press, int stock_count)
+ : isbn_(std::move(isbn)), title_(std::move(title)),
+ type_(std::move(type)), author_(std::move(author)),
+ press_(std::move(press)), stock_count_(stock_count) {}
+
+ CRU_DEFAULT_COPY(Book)
+ CRU_DEFAULT_MOVE(Book)
+
+ ~Book() = default;
+
+public:
+ std::u16string GetIsbn() const { return isbn_; }
+ void SetIsbn(std::u16string isbn) { isbn_ = std::move(isbn); }
+
+ std::u16string GetTitle() const { return title_; }
+ void SetTitle(std::u16string title) { title_ = std::move(title); }
+
+ std::u16string GetType() const { return type_; }
+ void SetType(std::u16string type) { type_ = std::move(type); }
+
+ std::u16string GetAuthor() const { return author_; }
+ void SetAuthor(std::u16string author) { author_ = std::move(author); }
+
+ std::u16string GetPress() const { return press_; }
+ void SetPress(std::u16string press) { press_ = std::move(press); }
+
+ int GetStockCount() const { return stock_count_; }
+ void SetStockCount(int stock_count) { stock_count_ = stock_count; }
+
+private:
+ std::u16string isbn_;
+ std::u16string title_;
+ std::u16string type_;
+ std::u16string author_;
+ std::u16string press_;
+ int stock_count_ = 0;
+};
+
+QTextStream &operator>>(QTextStream &left, Book &right);
+QTextStream &operator<<(QTextStream &left, const Book &right);
diff --git a/works/life/cpp-practicum/CMakeLists.txt b/works/life/cpp-practicum/CMakeLists.txt new file mode 100644 index 0000000..346fdb4 --- /dev/null +++ b/works/life/cpp-practicum/CMakeLists.txt @@ -0,0 +1,33 @@ +cmake_minimum_required(VERSION 3.14)
+
+set(CMAKE_TOOLCHAIN_FILE $ENV{VCPKG_INSTALLATION_ROOT}/scripts/buildsystems/vcpkg.cmake
+ CACHE STRING "Vcpkg toolchain file")
+
+project(CppPraticum)
+
+enable_testing()
+
+set(CMAKE_CXX_STANDARD 17)
+
+if (MSVC)
+ string(REGEX REPLACE "/W[0-4]\\s*" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
+ add_compile_options(/utf-8 /W4 /WX)
+endif()
+
+find_package(Qt5Core CONFIG REQUIRED)
+find_package(Qt5Gui CONFIG REQUIRED)
+find_package(Qt5Widgets CONFIG REQUIRED)
+
+add_executable(main
+ Base.hpp
+
+ Book.hpp
+ Book.cpp
+ Vendor.hpp
+ Vendor.cpp
+ Record.hpp
+ Record.cpp
+
+ main.cpp
+)
+target_link_libraries(main PRIVATE Qt5::Core Qt5::Widgets Qt5::Gui)
diff --git a/works/life/cpp-practicum/Record.cpp b/works/life/cpp-practicum/Record.cpp new file mode 100644 index 0000000..bdee28b --- /dev/null +++ b/works/life/cpp-practicum/Record.cpp @@ -0,0 +1,343 @@ +#include "Record.hpp"
+
+#include <algorithm>
+
+void Record::WriteTo(QTextStream &stream) {
+ stream << books_.size() << ' ' << vendors_.size() << '\n';
+ for (const auto &book : books_) {
+ stream << book << '\n';
+ }
+ for (const auto &vendor : vendors_) {
+ stream << vendor << '\n';
+ }
+}
+
+void Record::ReadFrom(QTextStream &stream) {
+ books_.clear();
+ vendors_.clear();
+
+ int book_count, vendor_count;
+ stream >> book_count >> vendor_count;
+ stream.skipWhiteSpace();
+ for (int i = 0; i < book_count; i++) {
+ Book book;
+ stream >> book;
+ books_.push_back(std::move(book));
+ }
+ for (int i = 0; i < vendor_count; i++) {
+ Vendor vendor;
+ stream >> vendor;
+ vendors_.push_back(std::move(vendor));
+ }
+}
+
+int BookModel::rowCount(const QModelIndex &parent) const {
+ if (parent.isValid())
+ return 0;
+ return static_cast<int>(record_->GetBooks().size());
+}
+
+int BookModel::columnCount(const QModelIndex &parent) const {
+ if (parent.isValid())
+ return 0;
+ return 6;
+}
+
+QVariant BookModel::headerData(int section, Qt::Orientation orientation,
+ int role) const {
+ if (role != Qt::DisplayRole)
+ return QVariant();
+ if (orientation == Qt::Horizontal) {
+ switch (section) {
+ case 0:
+ return QStringLiteral("ISBN");
+ case 1:
+ return QStringLiteral("标题");
+ case 2:
+ return QStringLiteral("类型");
+ case 3:
+ return QStringLiteral("作者");
+ case 4:
+ return QStringLiteral("出版社");
+ case 5:
+ return QStringLiteral("库存");
+ default:
+ return QVariant();
+ }
+ }
+ return QVariant();
+}
+
+QVariant BookModel::data(const QModelIndex &index, int role) const {
+ if (role != Qt::DisplayRole)
+ return QVariant();
+
+ if (!index.isValid())
+ return QVariant();
+
+ if (index.row() >= static_cast<int>(record_->GetBooks().size()) ||
+ index.row() < 0)
+ return QVariant();
+
+ int row = index.row();
+ const Book &book = record_->GetBooks()[row];
+
+ int col = index.column();
+ switch (col) {
+ case 0:
+ return QString::fromStdU16String(book.GetIsbn());
+ case 1:
+ return QString::fromStdU16String(book.GetTitle());
+ case 2:
+ return QString::fromStdU16String(book.GetType());
+ case 3:
+ return QString::fromStdU16String(book.GetAuthor());
+ case 4:
+ return QString::fromStdU16String(book.GetPress());
+ case 5:
+ return book.GetStockCount();
+ default:
+ return QVariant();
+ }
+}
+
+bool BookModel::setData(const QModelIndex &index, const QVariant &value,
+ int role) {
+ if (index.isValid() && role == Qt::EditRole) {
+ int row = index.row();
+ Book &book = record_->GetBooks()[row];
+
+ int col = index.column();
+ switch (col) {
+ case 0:
+ if (!value.canConvert<QString>())
+ return false;
+ book.SetIsbn(value.toString().toStdU16String());
+ return true;
+ case 1:
+ if (!value.canConvert<QString>())
+ return false;
+ book.SetTitle(value.toString().toStdU16String());
+ emit dataChanged(index, index, {Qt::DisplayRole, Qt::EditRole});
+ return true;
+ case 2:
+ if (!value.canConvert<QString>())
+ return false;
+ book.SetType(value.toString().toStdU16String());
+ emit dataChanged(index, index, {Qt::DisplayRole, Qt::EditRole});
+ return true;
+ case 3:
+ if (!value.canConvert<QString>())
+ return false;
+ book.SetAuthor(value.toString().toStdU16String());
+ emit dataChanged(index, index, {Qt::DisplayRole, Qt::EditRole});
+ return true;
+ case 4:
+ if (!value.canConvert<QString>())
+ return false;
+ book.SetPress(value.toString().toStdU16String());
+ emit dataChanged(index, index, {Qt::DisplayRole, Qt::EditRole});
+ return true;
+ case 5:
+ if (!value.canConvert<int>())
+ return false;
+ book.SetStockCount(value.toInt());
+ emit dataChanged(index, index, {Qt::DisplayRole, Qt::EditRole});
+ return true;
+ default:
+ return false;
+ }
+ }
+ return false;
+}
+
+Qt::ItemFlags BookModel::flags(const QModelIndex &index) const {
+ if (!index.isValid())
+ return Qt::ItemIsEnabled;
+
+ return QAbstractTableModel::flags(index) | Qt::ItemIsEditable;
+}
+
+bool BookModel::insertRows(int row, int count, const QModelIndex &parent) {
+ beginInsertRows(parent, row, row + count - 1);
+ for (int i = 0; i < count; i++) {
+ record_->GetBooks().insert(record_->GetBooks().cbegin() + row, Book());
+ }
+ endInsertRows();
+ return true;
+}
+
+bool BookModel::removeRows(int row, int count, const QModelIndex &parent) {
+ beginRemoveRows(parent, row, row + count - 1);
+ record_->GetBooks().erase(record_->GetBooks().cbegin() + row,
+ record_->GetBooks().cbegin() + row + count);
+ endRemoveRows();
+ return true;
+}
+
+void BookModel::sort(int column, Qt::SortOrder order) {
+ if (column == 0) {
+ beginResetModel();
+ if (order == Qt::AscendingOrder) {
+ std::sort(record_->GetBooks().begin(), record_->GetBooks().end(),
+ [](const Book &left, const Book &right) {
+ return left.GetIsbn() < right.GetIsbn();
+ });
+ } else {
+ std::sort(record_->GetBooks().begin(), record_->GetBooks().end(),
+ [](const Book &left, const Book &right) {
+ return left.GetIsbn() > right.GetIsbn();
+ });
+ }
+ endResetModel();
+ } else if (column == 1) {
+ beginResetModel();
+ if (order == Qt::AscendingOrder) {
+ std::sort(record_->GetBooks().begin(), record_->GetBooks().end(),
+ [](const Book &left, const Book &right) {
+ return left.GetTitle() < right.GetTitle();
+ });
+ } else {
+ std::sort(record_->GetBooks().begin(), record_->GetBooks().end(),
+ [](const Book &left, const Book &right) {
+ return left.GetTitle() > right.GetTitle();
+ });
+ }
+ endResetModel();
+ }
+}
+
+int VendorModel::rowCount(const QModelIndex &parent) const {
+ if (parent.isValid())
+ return 0;
+ return static_cast<int>(record_->GetVendors().size());
+}
+
+int VendorModel::columnCount(const QModelIndex &parent) const {
+ if (parent.isValid())
+ return 0;
+ return 5;
+}
+
+QVariant VendorModel::headerData(int section, Qt::Orientation orientation,
+ int role) const {
+ if (role != Qt::DisplayRole)
+ return QVariant();
+ if (orientation == Qt::Horizontal) {
+ switch (section) {
+ case 0:
+ return QStringLiteral("编号");
+ case 1:
+ return QStringLiteral("名称");
+ case 2:
+ return QStringLiteral("类型");
+ case 3:
+ return QStringLiteral("地址");
+ case 4:
+ return QStringLiteral("电话");
+ default:
+ return QVariant();
+ }
+ }
+ return QVariant();
+}
+
+QVariant VendorModel::data(const QModelIndex &index, int role) const {
+ if (role != Qt::DisplayRole)
+ return QVariant();
+
+ if (!index.isValid())
+ return QVariant();
+
+ if (index.row() >= static_cast<int>(record_->GetVendors().size()) ||
+ index.row() < 0)
+ return QVariant();
+
+ int row = index.row();
+ const Vendor &vendor = record_->GetVendors()[row];
+
+ int col = index.column();
+ switch (col) {
+ case 0:
+ return vendor.GetId();
+ case 1:
+ return QString::fromStdU16String(vendor.GetName());
+ case 2:
+ return QString::fromStdU16String(vendor.GetType());
+ case 3:
+ return QString::fromStdU16String(vendor.GetAddress());
+ case 4:
+ return QString::fromStdU16String(vendor.GetPhone());
+ default:
+ return QVariant();
+ }
+}
+
+bool VendorModel::setData(const QModelIndex &index, const QVariant &value,
+ int role) {
+ if (index.isValid() && role == Qt::EditRole) {
+ int row = index.row();
+ Vendor &vendor = record_->GetVendors()[row];
+
+ int col = index.column();
+ switch (col) {
+ case 0:
+ if (!value.canConvert<int>())
+ return false;
+ vendor.SetId(value.toInt());
+ return true;
+ case 1:
+ if (!value.canConvert<QString>())
+ return false;
+ vendor.SetName(value.toString().toStdU16String());
+ emit dataChanged(index, index, {Qt::DisplayRole, Qt::EditRole});
+ return true;
+ case 2:
+ if (!value.canConvert<QString>())
+ return false;
+ vendor.SetType(value.toString().toStdU16String());
+ emit dataChanged(index, index, {Qt::DisplayRole, Qt::EditRole});
+ return true;
+ case 3:
+ if (!value.canConvert<QString>())
+ return false;
+ vendor.SetAddress(value.toString().toStdU16String());
+ emit dataChanged(index, index, {Qt::DisplayRole, Qt::EditRole});
+ return true;
+ case 4:
+ if (!value.canConvert<QString>())
+ return false;
+ vendor.SetPhone(value.toString().toStdU16String());
+ emit dataChanged(index, index, {Qt::DisplayRole, Qt::EditRole});
+ return true;
+ default:
+ return false;
+ }
+ }
+ return false;
+}
+
+Qt::ItemFlags VendorModel::flags(const QModelIndex &index) const {
+ if (!index.isValid())
+ return Qt::ItemIsEnabled;
+
+ return QAbstractTableModel::flags(index) | Qt::ItemIsEditable;
+}
+
+bool VendorModel::insertRows(int row, int count, const QModelIndex &parent) {
+ beginInsertRows(parent, row, row + count - 1);
+ for (int i = 0; i < count; i++) {
+ record_->GetVendors().insert(record_->GetVendors().cbegin() + row,
+ Vendor());
+ }
+ endInsertRows();
+ return true;
+}
+
+bool VendorModel::removeRows(int row, int count, const QModelIndex &parent) {
+ beginRemoveRows(parent, row, row + count - 1);
+ record_->GetVendors().erase(record_->GetVendors().cbegin() + row,
+ record_->GetVendors().cbegin() + row + count);
+ endRemoveRows();
+ return true;
+}
diff --git a/works/life/cpp-practicum/Record.hpp b/works/life/cpp-practicum/Record.hpp new file mode 100644 index 0000000..c379f04 --- /dev/null +++ b/works/life/cpp-practicum/Record.hpp @@ -0,0 +1,76 @@ +#pragma once
+#include "Base.hpp"
+
+#include "Book.hpp"
+#include "Vendor.hpp"
+
+#include <QAbstractTableModel>
+#include <QTextStream>
+#include <optional>
+#include <vector>
+
+class Record final {
+public:
+ Record() = default;
+
+ CRU_DEFAULT_COPY(Record);
+ CRU_DEFAULT_MOVE(Record);
+
+ ~Record() = default;
+
+public:
+ void WriteTo(QTextStream &stream);
+ void ReadFrom(QTextStream &stream);
+
+ std::vector<Book> &GetBooks() { return books_; }
+ std::vector<Vendor> &GetVendors() { return vendors_; }
+
+private:
+ std::vector<Book> books_;
+ std::vector<Vendor> vendors_;
+};
+
+class BookModel : public QAbstractTableModel {
+public:
+ explicit BookModel(Record *record) : record_(record) {}
+
+ int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+ int columnCount(const QModelIndex &parent = QModelIndex()) const override;
+ QVariant headerData(int section, Qt::Orientation orientation,
+ int role = Qt::DisplayRole) const override;
+ QVariant data(const QModelIndex &index,
+ int role = Qt::DisplayRole) const override;
+ bool setData(const QModelIndex &index, const QVariant &value,
+ int role = Qt::EditRole) override;
+ Qt::ItemFlags flags(const QModelIndex &index) const override;
+ bool insertRows(int row, int count,
+ const QModelIndex &parent = QModelIndex()) override;
+ bool removeRows(int row, int count,
+ const QModelIndex &parent = QModelIndex()) override;
+ void sort(int column, Qt::SortOrder order = Qt::AscendingOrder) override;
+
+private:
+ Record *record_;
+};
+
+class VendorModel : public QAbstractTableModel {
+public:
+ explicit VendorModel(Record *record) : record_(record) {}
+
+ int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+ int columnCount(const QModelIndex &parent = QModelIndex()) const override;
+ QVariant headerData(int section, Qt::Orientation orientation,
+ int role = Qt::DisplayRole) const override;
+ QVariant data(const QModelIndex &index,
+ int role = Qt::DisplayRole) const override;
+ bool setData(const QModelIndex &index, const QVariant &value,
+ int role = Qt::EditRole) override;
+ Qt::ItemFlags flags(const QModelIndex &index) const override;
+ bool insertRows(int row, int count,
+ const QModelIndex &parent = QModelIndex()) override;
+ bool removeRows(int row, int count,
+ const QModelIndex &parent = QModelIndex()) override;
+
+private:
+ Record *record_;
+};
diff --git a/works/life/cpp-practicum/Vendor.cpp b/works/life/cpp-practicum/Vendor.cpp new file mode 100644 index 0000000..7544451 --- /dev/null +++ b/works/life/cpp-practicum/Vendor.cpp @@ -0,0 +1,33 @@ +#include "Vendor.hpp"
+
+#include <QString>
+
+QTextStream &operator>>(QTextStream &left, Vendor &right) {
+ auto line = left.readLine();
+
+ auto fields = line.split(QChar('|'));
+
+ if (fields.size() != 5) {
+ throw SerializationException("Line has not 5 parts.");
+ }
+
+ bool ok;
+ auto id = fields[0].toInt(&ok);
+ if (!ok) {
+ throw SerializationException("Part 1 is not a number.");
+ }
+
+ right.SetId(id);
+ right.SetName(fields[1].toStdU16String());
+ right.SetType(fields[2].toStdU16String());
+ right.SetAddress(fields[3].toStdU16String());
+ right.SetPhone(fields[4].toStdU16String());
+
+ return left;
+}
+
+QTextStream &operator<<(QTextStream &left, const Vendor &right) {
+ left << right.GetId() << '|' << right.GetName() << '|' << right.GetType()
+ << '|' << right.GetAddress() << '|' << right.GetPhone();
+ return left;
+}
diff --git a/works/life/cpp-practicum/Vendor.hpp b/works/life/cpp-practicum/Vendor.hpp new file mode 100644 index 0000000..24c22ee --- /dev/null +++ b/works/life/cpp-practicum/Vendor.hpp @@ -0,0 +1,45 @@ +#pragma once
+#include "Base.hpp"
+
+#include <QTextStream>
+#include <string>
+
+class Vendor final {
+public:
+ Vendor() = default;
+ Vendor(int id, std::u16string name, std::u16string type,
+ std::u16string address, std::u16string phone)
+ : id_(id), name_(std::move(name)), type_(std::move(type)),
+ address_(std::move(address)), phone_(std::move(phone)) {}
+
+ CRU_DEFAULT_COPY(Vendor)
+ CRU_DEFAULT_MOVE(Vendor)
+
+ ~Vendor() = default;
+
+public:
+ int GetId() const { return id_; }
+ void SetId(int id) { id_ = id; }
+
+ std::u16string GetName() const { return name_; }
+ void SetName(std::u16string name) { name_ = std::move(name); }
+
+ std::u16string GetType() const { return type_; }
+ void SetType(std::u16string type) { type_ = std::move(type); }
+
+ std::u16string GetAddress() const { return address_; }
+ void SetAddress(std::u16string address) { address_ = std::move(address); }
+
+ std::u16string GetPhone() const { return phone_; }
+ void SetPhone(std::u16string phone) { phone_ = std::move(phone); }
+
+private:
+ int id_;
+ std::u16string name_;
+ std::u16string type_;
+ std::u16string address_;
+ std::u16string phone_;
+};
+
+QTextStream &operator>>(QTextStream &left, Vendor &right);
+QTextStream &operator<<(QTextStream &left, const Vendor &right);
diff --git a/works/life/cpp-practicum/main.cpp b/works/life/cpp-practicum/main.cpp new file mode 100644 index 0000000..399c82c --- /dev/null +++ b/works/life/cpp-practicum/main.cpp @@ -0,0 +1,122 @@ +#include "Record.hpp"
+
+#include <QApplication>
+#include <QDir>
+#include <QFile>
+#include <QHBoxLayout>
+#include <QHeaderView>
+#include <QMainWindow>
+#include <QPushButton>
+#include <QTableView>
+#include <QVBoxLayout>
+#include <QWidget>
+#include <memory>
+
+int main(int argc, char *argv[]) {
+ QApplication application(argc, argv);
+
+ Record record;
+
+ QDir app_dir(application.applicationDirPath());
+ QFile data_file = app_dir.filePath("data.txt");
+ std::unique_ptr<QTextStream> stream;
+ if (data_file.exists()) {
+ data_file.open(QFile::ReadWrite);
+ stream.reset(new QTextStream(&data_file));
+ stream->setCodec("UTF-8");
+ try {
+ record.ReadFrom(*stream);
+ } catch (...) {
+ }
+ } else {
+ data_file.open(QFile::ReadWrite);
+ stream.reset(new QTextStream(&data_file));
+ stream->setCodec("UTF-8");
+ }
+
+ QWidget window;
+ QVBoxLayout window_layout;
+ window.setLayout(&window_layout);
+
+ QHBoxLayout center_area;
+ window_layout.addLayout(¢er_area);
+
+ QVBoxLayout book_area;
+ QVBoxLayout vendor_area;
+ center_area.addLayout(&book_area);
+ center_area.addLayout(&vendor_area);
+
+ QHBoxLayout book_top_area;
+ QHBoxLayout vendor_top_area;
+ book_area.addLayout(&book_top_area);
+ vendor_area.addLayout(&vendor_top_area);
+
+ QPushButton book_add_button(QStringLiteral("添加"));
+ QPushButton book_remove_button(QStringLiteral("删除"));
+
+ book_top_area.addStretch(1);
+ book_top_area.addWidget(&book_add_button);
+ book_top_area.addWidget(&book_remove_button);
+
+ QPushButton vendor_add_button(QStringLiteral("添加"));
+ QPushButton vendor_remove_button(QStringLiteral("删除"));
+
+ vendor_top_area.addStretch(1);
+ vendor_top_area.addWidget(&vendor_add_button);
+ vendor_top_area.addWidget(&vendor_remove_button);
+
+ QTableView book_view;
+ book_view.verticalHeader()->hide();
+ book_view.setSelectionBehavior(QAbstractItemView::SelectRows);
+ book_view.setEditTriggers(QAbstractItemView::DoubleClicked);
+ book_view.setSelectionMode(QAbstractItemView::SingleSelection);
+ book_view.setSortingEnabled(true);
+
+ QTableView vendor_view;
+ vendor_view.verticalHeader()->hide();
+ vendor_view.setSelectionBehavior(QAbstractItemView::SelectRows);
+ vendor_view.setEditTriggers(QAbstractItemView::DoubleClicked);
+ vendor_view.setSelectionMode(QAbstractItemView::SingleSelection);
+
+ book_area.addWidget(&book_view, 1);
+ vendor_area.addWidget(&vendor_view, 1);
+
+ BookModel book_model(&record);
+ VendorModel vendor_model(&record);
+
+ book_view.setModel(&book_model);
+ vendor_view.setModel(&vendor_model);
+
+ QObject::connect(&book_add_button, &QPushButton::clicked, [&book_model]() {
+ book_model.insertRow(book_model.rowCount());
+ });
+
+ QObject::connect(
+ &book_remove_button, &QPushButton::clicked, [&book_view, &book_model]() {
+ auto selected_rows = book_view.selectionModel()->selectedRows();
+ for (const auto &row : selected_rows) {
+ book_model.removeRow(row.row());
+ }
+ });
+
+ QObject::connect(
+ &vendor_add_button, &QPushButton::clicked,
+ [&vendor_model]() { vendor_model.insertRow(vendor_model.rowCount()); });
+
+ QObject::connect(&vendor_remove_button, &QPushButton::clicked,
+ [&vendor_view, &vendor_model]() {
+ auto selected_rows =
+ vendor_view.selectionModel()->selectedRows();
+ for (const auto &row : selected_rows) {
+ vendor_model.removeRow(row.row());
+ }
+ });
+
+ window.show();
+
+ int result = application.exec();
+
+ record.WriteTo(*stream);
+
+ return result;
+}
diff --git a/works/life/cpp-practicum/vcpkg.json b/works/life/cpp-practicum/vcpkg.json new file mode 100644 index 0000000..30e99f4 --- /dev/null +++ b/works/life/cpp-practicum/vcpkg.json @@ -0,0 +1,6 @@ +{
+ "$schema": "https://raw.githubusercontent.com/microsoft/vcpkg/master/scripts/vcpkg.schema.json",
+ "name": "cpp-praticum",
+ "version": "0.0.1",
+ "dependencies": ["ms-gsl", "qt5"]
+}
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