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#include "FITKTableWidget.h"
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#include <QTableWidget>
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#include <QMenu>
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#include <QHeaderView>
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#include <QKeyEvent>
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#include <QLineEdit>
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#include <QScrollBar>
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namespace Comp
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{
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FITKTableWidget::FITKTableWidget(QWidget * parent):
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QTableWidget(parent)
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{
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//TableWidget布局
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this->horizontalHeader()->setDefaultAlignment(Qt::AlignCenter);
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//设置tableWidget的item点击即可编辑
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this->setEditTriggers(QAbstractItemView::AllEditTriggers);
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//TableWidget自适应大小
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//this->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);
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//TableWidget鼠标右键事件信号连接
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this->setContextMenuPolicy(Qt::CustomContextMenu);
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//上下文菜单信号连接
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connect(this, SIGNAL(customContextMenuRequested(const QPoint&)), this, SLOT(handleContextMenu(const QPoint&)));
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////垂直滚动条样式
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//this->horizontalScrollBar()->setStyleSheet("QScrollBar{background:transparent; height:10px;}"
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// "QScrollBar::handle{background:lightgray; border:2px solid transparent; border-radius:5px;}"
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// "QScrollBar::handle:hover{background:gray;}"
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// "QScrollBar::sub-line{background:transparent;}"
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// "QScrollBar::add-line{background:transparent;}");
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////水平滚动条样式
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//this->verticalScrollBar()->setStyleSheet("QScrollBar{background:transparent; width: 10px;}"
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// "QScrollBar::handle{background:lightgray; border:2px solid transparent; border-radius:5px;}"
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// "QScrollBar::handle:hover{background:gray;}"
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// "QScrollBar::sub-line{background:transparent;}"
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// "QScrollBar::add-line{background:transparent;}");
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//默认添加一行数据
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insertNewRow(0);
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}
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FITKTableWidget::~FITKTableWidget()
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{
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}
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void FITKTableWidget::setAppendLineByEnterPressed(bool isAppend)
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{
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_isAddLineByEnter = isAppend;
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}
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void FITKTableWidget::setIsAloneRow(bool isAlone)
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{
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_isAloneRow = isAlone;
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if (_isAloneRow) {
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_isAddLineByEnter = false;
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}
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else {
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_isAddLineByEnter = true;
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}
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}
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void FITKTableWidget::cutCurrentData()
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{
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//剪切当前数据
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int colum = this->currentColumn();
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int row = this->currentRow();
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QTableWidgetItem* item = this->item(row, colum);
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if (item == nullptr)return;
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QString text = item->text();
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_copyValue = text;
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item->setText("");
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}
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void FITKTableWidget::copyCurrentData()
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{
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//拷贝当前数据
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int colum = this->currentColumn();
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int row = this->currentRow();
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QTableWidgetItem* item = this->item(row, colum);
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if (item == nullptr)return;
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QString text = item->text();
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_copyValue = text;
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}
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void FITKTableWidget::pasteCurrentData()
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{
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//粘贴当前数据
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int colum = this->currentColumn();
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int row = this->currentRow();
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QTableWidgetItem* item = this->item(row, colum);
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if (item == nullptr)return;
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item->setText(_copyValue);
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}
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void FITKTableWidget::insertRowBefore()
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{
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int curRow = this->currentRow();
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insertNewRow(curRow);
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}
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void FITKTableWidget::insertRowAfter()
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{
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int curRow = this->currentRow() + 1;
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insertNewRow(curRow);
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}
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void FITKTableWidget::deleteTableRows()
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{
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//删除一行
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QItemSelection selection(this->selectionModel()->selection());
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QList< int > rows;
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foreach(const QModelIndex& index, selection.indexes())
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{
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int row = index.row();
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if (!rows.contains(row))
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{
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rows.append(row);
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}
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}
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qSort(rows);
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for (int i = rows.count() - 1; i >= 0; i--)
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{
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this->removeRow(rows[i]);
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}
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if (this->rowCount() == 0)
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{
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insertNewRow(0);
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}
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}
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void Comp::FITKTableWidget::clearContents()
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{
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//清除单元格
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QTableWidgetItem* item = this->currentItem();
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if (item != nullptr){
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item->setText("");
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}
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}
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void Comp::FITKTableWidget::clearTable()
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{
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for (int i = 0; i < this->rowCount(); i++){
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for (int j = 0; j < this->columnCount(); j++) {
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QTableWidgetItem* item = new QTableWidgetItem("");
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/*item0->setTextAlignment(Qt::AlignCenter);
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item1->setTextAlignment(Qt::AlignCenter);*/
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this->setItem(i, j, item);
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}
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}
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}
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void Comp::FITKTableWidget::keyPressEvent(QKeyEvent * event)
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{
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QTableWidget::keyPressEvent(event);
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// 获取按键值，只处理enter和return键
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int key = event->key();
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if (key != Qt::Key_Enter && key != Qt::Key_Return)
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return;
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// 获取当前选中单元格的索引
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QModelIndex index = currentIndex();
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if (!index.isValid())
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return;
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int row = index.row();
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int column = index.column();
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// 如果当前列不是最后一列，则移动到下一列
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/*if (column < columnCount() - 1)
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{
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int nextVisiablecolumn = column + 1;
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while (nextVisiablecolumn < columnCount())
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{
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if (!isColumnHidden(nextVisiablecolumn))
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{
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setCurrentCell(row, nextVisiablecolumn);
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edit(index.siblingAtColumn(nextVisiablecolumn));
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break;
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}
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++nextVisiablecolumn;
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}
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}*/
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// 如果当前行为非最后一行，则移动到下一行
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if (row < rowCount() - 1)
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{
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setCurrentCell(row + 1, column);
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edit(index.sibling(row + 1, column));
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}
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// 如果配置了按下Enter键添加新行，则添加新行
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else if (_isAddLineByEnter)
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{
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insertRow(rowCount());
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for (int i = colorCount() - 1; i >= 0; --i)
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{
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setItem(rowCount(), i, new QTableWidgetItem(""));
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}
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setCurrentCell(row + 1, column);
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edit(index.sibling(row + 1, column));
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}
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}
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void Comp::FITKTableWidget::keyReleaseEvent(QKeyEvent * event)
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{
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QTableWidget::keyReleaseEvent(event);
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}
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bool Comp::FITKTableWidget::edit(const QModelIndex & index, EditTrigger trigger, QEvent * event)
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{
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auto result = QTableWidget::edit(index, trigger, event);
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QList<QLineEdit*> lineEdits = findChildren<QLineEdit*>();
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for (int i = 0; i < lineEdits.size(); i++)
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{
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// 重写方法，屏蔽编辑框的右键菜单
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QLineEdit* target = lineEdits.at(i);
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target->setContextMenuPolicy(Qt::NoContextMenu);
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}
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return result;
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}
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void FITKTableWidget::handleContextMenu(const QPoint & pos)
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{
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Q_UNUSED(pos);
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//TableWidget上右键事件添加
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QMenu menu(this);
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QAction* cutAction = new QAction(tr("Cut"), &menu);
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connect(cutAction, SIGNAL(triggered()), this, SLOT(cutCurrentData()));
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menu.addAction(cutAction);
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QAction* copyAction = new QAction(tr("Copy"), &menu);
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connect(copyAction, SIGNAL(triggered()), this, SLOT(copyCurrentData()));
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menu.addAction(copyAction);
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QAction* pasteAction = new QAction(tr("Paste"), &menu);
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connect(pasteAction, SIGNAL(triggered()), this, SLOT(pasteCurrentData()));
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menu.addAction(pasteAction);
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menu.addSeparator();
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if (!_isAloneRow) {
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QAction* insertBefore = new QAction(tr("Insert Row Before"), &menu);
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connect(insertBefore, SIGNAL(triggered()), this, SLOT(insertRowBefore()));
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menu.addAction(insertBefore);
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QAction* insertAfter = new QAction(tr("Insert Row After"), &menu);
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connect(insertAfter, SIGNAL(triggered()), this, SLOT(insertRowAfter()));
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menu.addAction(insertAfter);
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menu.addSeparator();
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QAction* delRows = new QAction(tr("Delete Rows"), &menu);
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connect(delRows, SIGNAL(triggered()), this, SLOT(deleteTableRows()));
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QItemSelectionModel* select = this->selectionModel();
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menu.addAction(delRows);
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if (!select->hasSelection())
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{
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insertBefore->setEnabled(false);
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insertAfter->setEnabled(false);
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delRows->setEnabled(false);
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}
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}
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QAction* clrContents = new QAction(tr("Clear Contents"), &menu);
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connect(clrContents, SIGNAL(triggered()), this, SLOT(clearContents()));
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menu.addAction(clrContents);
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QAction* clrTable = new QAction(tr("Clear Table"), &menu);
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connect(clrTable, SIGNAL(triggered()), this, SLOT(clearTable()));
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menu.addAction(clrTable);
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menu.exec(QCursor::pos());
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}
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void Comp::FITKTableWidget::insertNewRow(int row)
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{
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this->insertRow(row);
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for (int i = 0; i < this->columnCount(); i++) {
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QTableWidgetItem* item = new QTableWidgetItem("");
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this->setItem(row, i, item);
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}
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}
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}
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