aboutsummaryrefslogtreecommitdiff
path: root/works/life/cpp-practicum/Record.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'works/life/cpp-practicum/Record.cpp')
-rw-r--r--works/life/cpp-practicum/Record.cpp343
1 files changed, 0 insertions, 343 deletions
diff --git a/works/life/cpp-practicum/Record.cpp b/works/life/cpp-practicum/Record.cpp
deleted file mode 100644
index bdee28b..0000000
--- a/works/life/cpp-practicum/Record.cpp
+++ /dev/null
@@ -1,343 +0,0 @@
-#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;
-}
generated by cgit v1.2.3 (git 2.39.1) at 2025-04-08 03:05:34 +0000