QWidget* FormUiLoader::createWidget( const QString& className, QWidget* parent, const QString& name)
{
if (className == "QTreeWidget")
{
QTreeWidget* rt = new WidgetWithDragAndDrop<QTreeWidget>( m_dataLoader, parent, name, m_debug);
rt->setDragEnabled( true);
rt->showDropIndicator();
return rt;
}
else if (className == "QListWidget")
{
QListWidget* rt = new WidgetWithDragAndDrop<QListWidget>( m_dataLoader, parent, name, m_debug);
rt->setDragEnabled( true);
rt->showDropIndicator();
return rt;
}
else if (className == "QTableWidget")
{
QTableWidget* rt = new WidgetWithDragAndDrop<QTableWidget>( m_dataLoader, parent, name, m_debug);
rt->setDragEnabled( true);
return rt;
}
else
{
return QUiLoader::createWidget( className, parent, name);
}
}
MainWindow::MainWindow()
{
QMenu *fileMenu = new QMenu(tr("&File"));
QAction *quitAction = fileMenu->addAction(tr("E&xit"));
quitAction->setShortcut(tr("Ctrl+Q"));
menuBar()->addMenu(fileMenu);
// For convenient quoting:
//! [0]
QListWidget *listWidget = new QListWidget(this);
listWidget->setSelectionMode(QAbstractItemView::SingleSelection);
listWidget->setDragEnabled(true);
listWidget->viewport()->setAcceptDrops(true);
listWidget->setDropIndicatorShown(true);
//! [0] //! [1]
listWidget->setDragDropMode(QAbstractItemView::InternalMove);
//! [1]
this->listWidget = listWidget;
connect(quitAction, SIGNAL(triggered()), this, SLOT(close()));
setupListItems();
setCentralWidget(listWidget);
setWindowTitle(tr("List Widget"));
}
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
// QListWidget
QListWidget listWidget;
// 一种添加项目的简便方法
new QListWidgetItem("a", &listWidget);
// 添加项目的另一种方法，这样还可以进行各种设置
QListWidgetItem *listWidgetItem = new QListWidgetItem;
listWidgetItem->setText("b");
listWidgetItem->setIcon(QIcon("../modelView2/yafeilinux.png"));
listWidgetItem->setToolTip("this is b!");
listWidget.insertItem(1, listWidgetItem);
// 设置排序为倒序
listWidget.sortItems(Qt::DescendingOrder);
// 显示列表部件
listWidget.show();
// QTreeWidget
QTreeWidget treeWidget;
// 必须设置列数
treeWidget.setColumnCount(2);
// 设置标头
QStringList headers;
headers << "name" << "year";
treeWidget.setHeaderLabels(headers);
// 添加项目
QTreeWidgetItem *grade1 = new QTreeWidgetItem(&treeWidget);
grade1->setText(0,"Grade1");
QTreeWidgetItem *student = new QTreeWidgetItem(grade1);
student->setText(0,"Tom");
student->setText(1,"1986");
QTreeWidgetItem *grade2 = new QTreeWidgetItem(&treeWidget, grade1);
grade2->setText(0,"Grade2");
treeWidget.show();
// QTableWidget
// 创建表格部件，同时指定行数和列数
QTableWidget tableWidget(3, 2);
// 创建表格项目，并插入到指定单元
QTableWidgetItem *tableWidgetItem = new QTableWidgetItem("qt");
tableWidget.setItem(1, 1, tableWidgetItem);
// 创建表格项目，并将它们作为标头
QTableWidgetItem *headerV = new QTableWidgetItem("first");
tableWidget.setVerticalHeaderItem(0,headerV);
QTableWidgetItem *headerH = new QTableWidgetItem("ID");
tableWidget.setHorizontalHeaderItem(0,headerH);
tableWidget.show();
// 为listWidget启用拖放
// 设置选择模式为单选
listWidget.setSelectionMode(QAbstractItemView::SingleSelection);
// 启用拖动
listWidget.setDragEnabled(true);
// 设置接受拖放
listWidget.viewport()->setAcceptDrops(true);
// 设置显示将要被放置的位置
listWidget.setDropIndicatorShown(true);
// 设置拖放模式为移动项目，如果不设置，默认为复制项目
listWidget.setDragDropMode(QAbstractItemView::InternalMove);
return app.exec();
}