QTreeWidget 双击编辑子节点

#include "treeeditwidget.h" #include "ui_treeeditwidget.h" #include <QLineEdit> #include <QSpinBox> #include <QComboBox> #include <QDateTimeEdit> #include <QDateEdit> TreeEditWidget::TreeEditWidget(QWidget *parent) : QWidget(parent) , ui(new Ui::TreeEditWidget) { ui->setupUi(this); initForm(); } TreeEditWidget::~TreeEditWidget() { delete ui; } void TreeEditWidget::initForm() { QStringList list; list <<tr("任务名称")<<tr("测试次数")<<tr("紧急程度")<<tr("起始时间")<<tr("结束时间"); ui->treeWidget->setColumnCount(5); //设置列数 ui->treeWidget->setHeaderLabels(list); //设置头的标题 ui->treeWidget->setColumnWidth(0,150); ui->treeWidget->setColumnWidth(1,100); ui->treeWidget->setColumnWidth(2,100); ui->treeWidget->setColumnWidth(3,100); ui->treeWidget->setColumnWidth(4,100); list.clear(); list<<"测试计划"<<""<<""<<"20201225"<<"202012261111"; QTreeWidgetItem *plan = new QTreeWidgetItem(ui->treeWidget,QStringList(list)); list.clear(); list<<"终端测试"<<"1"<<"普通"<<"20201225"<<"202012251122"; QTreeWidgetItem *task1 = new QTreeWidgetItem(plan,QStringList(list)); list.clear(); list<<"设备测试"<<"2"<<"紧急"<<"20201225"<<"202012251223"; QTreeWidgetItem *task2 = new QTreeWidgetItem(plan,QStringList(list)); list.clear(); list<<"系统测试"<<"3"<<"严重"<<"20201225"<<"202012261223"; QTreeWidgetItem *task3 = new QTreeWidgetItem(plan,QStringList(list)); } void TreeEditWidget::slotFinishEdit() { if (doubleClickItem != nullptr) { QLineEdit *edit = qobject_cast<QLineEdit*>(ui->treeWidget->itemWidget(doubleClickItem, 0)); if (!edit) return; QString text = edit->text(); ui->treeWidget->removeItemWidget(doubleClickItem, 0); doubleClickItem->setText(0, text); } } void TreeEditWidget::slotValueChange() { if (doubleClickItem != nullptr) { QSpinBox *edit = qobject_cast<QSpinBox*>(ui->treeWidget->itemWidget(doubleClickItem, 1)); if (!edit) return; ui->treeWidget->removeItemWidget(doubleClickItem, 1); doubleClickItem->setText(1, QString::number(edit->value())); } } void TreeEditWidget::slotComboBoxChange(const QString &str) { if (doubleClickItem != nullptr) { QComboBox *edit = qobject_cast<QComboBox*>(ui->treeWidget->itemWidget(doubleClickItem, 2)); if (!edit) return; ui->treeWidget->removeItemWidget(doubleClickItem, 2); doubleClickItem->setText(2, str); } } void TreeEditWidget::slotDateTimeChange() { if (doubleClickItem != nullptr) { QDateTimeEdit *edit = qobject_cast<QDateTimeEdit*>(ui->treeWidget->itemWidget(doubleClickItem, 4)); if (!edit) return; QString str = edit->dateTime().toString("yyyyMMddHHmm"); ui->treeWidget->removeItemWidget(doubleClickItem, 4); doubleClickItem->setText(4, str); } } void TreeEditWidget::slotDateChange() { if (doubleClickItem != nullptr) { QDateEdit *edit = qobject_cast<QDateEdit*>(ui->treeWidget->itemWidget(doubleClickItem, 3)); if (!edit) return; QString str = edit->date().toString("yyyyMMdd"); ui->treeWidget->removeItemWidget(doubleClickItem, 3); doubleClickItem->setText(3, str); } } void TreeEditWidget::on_treeWidget_itemDoubleClicked(QTreeWidgetItem *item, int column) { doubleClickItem = nullptr; if (column == 0) { doubleClickItem = item; QLineEdit* lineEdit = new QLineEdit(this); lineEdit->setText(item->text(column)); connect(lineEdit, SIGNAL(editingFinished()), this, SLOT(slotFinishEdit())); ui->treeWidget->setItemWidget(doubleClickItem, 0, lineEdit); } else if(column == 1) { doubleClickItem = item; QSpinBox* lineEdit = new QSpinBox(this); lineEdit->setValue(1); connect(lineEdit, SIGNAL(editingFinished()), this, SLOT(slotValueChange())); ui->treeWidget->setItemWidget(doubleClickItem, 1, lineEdit); } else if(column == 2) { doubleClickItem = item; QComboBox* cbx = new QComboBox(this); QStringList list; list<<"普通"<<"紧急"<<"严重"; cbx->addItems(list); connect(cbx, SIGNAL(currentIndexChanged(const QString &)), this, SLOT(slotComboBoxChange(const QString &))); ui->treeWidget->setItemWidget(doubleClickItem, 2, cbx); } else if(column == 3) { doubleClickItem = item; QDateEdit* date = new QDateEdit(this); date->setDate(QDate::currentDate()); connect(date, SIGNAL(editingFinished()), this, SLOT(slotDateChange())); ui->treeWidget->setItemWidget(doubleClickItem, 3, date); } else if(column == 4) { doubleClickItem = item; QDateTimeEdit* cbx = new QDateTimeEdit(this); cbx->setDateTime(QDateTime::currentDateTime()); connect(cbx, SIGNAL(editingFinished()), this, SLOT(slotDateTimeChange())); ui->treeWidget->setItemWidget(doubleClickItem, 4, cbx); } }