新增-#5 添加删除行/列功能

mainwindow.cpp

@@ -12,6 +12,7 @@
 #include <QInputDialog>
 #include <QSqlRecord>
 #include <QtDebug>
+#include <QContextMenuEvent>
 
 MainWindow::MainWindow(QWidget *parent)
     : QMainWindow(parent)
@@ -47,6 +48,22 @@ MainWindow::MainWindow(QWidget *parent)
     QIcon convertIcon = QApplication::style()->standardIcon(QStyle::SP_ArrowRight);
     textToSqliteAction->setIcon(convertIcon);
     sqliteToTextAction->setIcon(convertIcon);
+
+    firstColMenu = new QMenu(this);
+    QAction* addRowAboveAction = firstColMenu->addAction(tr("↑ 向上添加一行"));
+    QAction* addRowBelowAction = firstColMenu->addAction(tr("向下添加一行 ↓"));
+    QAction* delRowAction = firstColMenu->addAction(tr("删除"));
+    connect(addRowAboveAction, &QAction::triggered, this, &MainWindow::onAddRowAboveActionTriggered);
+    connect(addRowBelowAction, &QAction::triggered, this, &MainWindow::onAddRowBelowActionTriggered);
+    connect(delRowAction, &QAction::triggered, this, &MainWindow::onDelRowActionTriggered);
+
+    firstRowMenu = new QMenu(this);
+    QAction* addColAboveAction = firstRowMenu->addAction(tr("← 向左添加一列"));
+    QAction* addColBelowAction = firstRowMenu->addAction(tr("向右添加一列 →"));
+    QAction* delColAction = firstRowMenu->addAction(tr("删除"));
+    connect(addColAboveAction, &QAction::triggered, this, &MainWindow::onAddColAboveActionTriggered);
+    connect(addColBelowAction, &QAction::triggered, this, &MainWindow::onAddColBelowActionTriggered);
+    connect(delColAction, &QAction::triggered, this, &MainWindow::onDelColActionTriggered);
 }
 
 
@@ -55,6 +72,108 @@ MainWindow::~MainWindow()
     delete ui;
 }
 
+void MainWindow::contextMenuEvent(QContextMenuEvent* event)
+{
+    QPoint cellPos = ui->tableWidget->viewport()->mapFromGlobal(event->globalPos());
+    int currentColumn = ui->tableWidget->horizontalHeader()->logicalIndexAt(cellPos.x());
+    int currentRow = ui->tableWidget->rowAt(cellPos.y());
+
+    if (currentColumn == -1 && currentRow == -1) {
+        // 没有选中行也没有选中列，不显示菜单
+        return;
+    }
+
+    if (currentColumn == -1 && currentRow >= 0) {
+        // 选中了行，显示行菜单
+        ui->tableWidget->selectRow(currentRow);
+        firstColMenu->popup(event->globalPos());
+    } else if (currentColumn >= 0 && currentRow == -1) {
+        // 选中了列，显示列菜单
+        ui->tableWidget->selectColumn(currentColumn);
+        firstRowMenu->popup(event->globalPos());
+    }
+}
+
+void MainWindow::onAddRowAboveActionTriggered()
+{
+    QTableWidget* tableWidget = ui->tableWidget;
+    int currentRow = tableWidget->currentRow();
+    if (currentRow >= 0)
+    {
+        tableWidget->insertRow(currentRow);
+    }
+    else
+    {
+        // 如果没有选中行，在末尾追加一行
+        int newRow = tableWidget->rowCount();
+        tableWidget->insertRow(newRow);
+        currentRow = newRow;
+    }
+}
+
+void MainWindow::onAddRowBelowActionTriggered()
+{
+    QTableWidget* tableWidget = ui->tableWidget;
+    int currentRow = tableWidget->currentRow();
+    if (currentRow >= 0)
+    {
+        tableWidget->insertRow(currentRow + 1); // 在下方插入一行
+    }
+    else
+    {
+        // 如果没有选中行，在末尾追加一行
+        int newRow = tableWidget->rowCount();
+        tableWidget->insertRow(newRow);
+    }
+}
+
+void MainWindow::onAddColAboveActionTriggered()
+{
+    QTableWidget* tableWidget = ui->tableWidget;
+    int currentColumn = tableWidget->currentColumn();
+    if (currentColumn >= 0)
+    {
+        tableWidget->insertColumn(currentColumn);
+    }
+    else
+    {
+        // 如果没有选中列，在末尾追加一列
+        int newColumn = tableWidget->columnCount();
+        tableWidget->insertColumn(newColumn);
+        currentColumn = newColumn;
+    }
+}
+
+void MainWindow::onAddColBelowActionTriggered()
+{
+    QTableWidget* tableWidget = ui->tableWidget;
+    int currentColumn = tableWidget->currentColumn();
+    if (currentColumn >= 0)
+    {
+        tableWidget->insertColumn(currentColumn + 1); // 在右侧插入一列
+    }
+    else
+    {
+        // 如果没有选中列，在末尾追加一列
+        int newColumn = tableWidget->columnCount();
+        tableWidget->insertColumn(newColumn);
+    }
+}
+
+void MainWindow::onDelRowActionTriggered()
+{
+    QTableWidget* tableWidget = ui->tableWidget;
+    int currentRow = tableWidget->currentRow();
+    tableWidget->removeRow(currentRow);
+}
+
+void MainWindow::onDelColActionTriggered()
+{
+    QTableWidget* tableWidget = ui->tableWidget;
+    int currentColumn = tableWidget->currentColumn();
+    tableWidget->removeColumn(currentColumn);
+}
+
 void MainWindow::showProgressDialog(const QString& labelText, int minimum, int maximum)
 {
     progressDialog = new QProgressDialog(labelText, "Cancel", minimum, maximum, this);
@@ -197,7 +316,7 @@ void MainWindow::onSaveButtonClicked()
                         out << "\t"; // 制表符分隔
                     }
                 }
-
+                out << "\t"; // 最后一列再加一个制表符，以防万一
                 out << "\r\n"; // 换行，注意使用\r\n表示换行符
             }
 
@@ -243,7 +362,7 @@ void MainWindow::onSaveAsButtonClicked()
                         out << "\t"; // 制表符分隔
                     }
                 }
-
+                out << "\t"; // 最后一列再加一个制表符，以防万一
                 out << "\r\n"; // 换行，注意使用\r\n表示换行符
             }
 
@@ -496,6 +615,7 @@ void MainWindow::convertSqliteToText()
             if (i < record.count() - 1)
                 textStream << "\t";
         }
+        textStream << "\t";
         textStream << "\r\n";
 
         ++progress;
@@ -513,4 +633,3 @@ void MainWindow::convertSqliteToText()
 
     QMessageBox::information(this, tr("Conversion Complete"), tr("SQLite to Text conversion completed successfully."));
 }
-

mainwindow.h

@@ -25,16 +25,25 @@ public:
     void convertTextToSqlite();
     void convertSqliteToText();
     void showProgressDialog(const QString& labelText, int minimum, int maximum);
+    void contextMenuEvent(QContextMenuEvent* event);
 
 private slots:
     void onOpenButtonClicked();
     void onSaveButtonClicked();
     void onSaveAsButtonClicked();
+    void onAddRowAboveActionTriggered();
+    void onAddRowBelowActionTriggered();
+    void onAddColAboveActionTriggered();
+    void onAddColBelowActionTriggered();
+    void onDelRowActionTriggered();
+    void onDelColActionTriggered();
 
 private:
     Ui::MainWindow *ui;
     QProgressDialog* progressDialog;
     QString openFilePath;
+    QMenu* firstColMenu; // 右键菜单
+    QMenu* firstRowMenu; // 右键菜单
 };
 
 #endif // MAINWINDOW_H

mainwindow.ui

@@ -20,6 +20,9 @@
    <layout class="QVBoxLayout" name="verticalLayout">
     <item>
      <layout class="QGridLayout" name="gridLayout">
+      <property name="spacing">
+       <number>0</number>
+      </property>
       <item row="0" column="0">
        <widget class="QTableWidget" name="tableWidget"/>
       </item>
@@ -46,7 +49,6 @@
    </widget>
    <addaction name="menuOpen"/>
   </widget>
-  <widget class="QStatusBar" name="statusbar"/>
   <action name="actionOpen">
    <property name="text">
     <string>打开</string>