C++ QStandardItem::clone方法代码示例

void tst_QStandardItem::clone()
{
    QStandardItem item;
    item.setText(QLatin1String("text"));
    item.setToolTip(QLatin1String("toolTip"));
    item.setStatusTip(QLatin1String("statusTip"));
    item.setWhatsThis(QLatin1String("whatsThis"));
    item.setSizeHint(QSize(64, 48));
    item.setFont(QFont());
    item.setTextAlignment(Qt::AlignLeft|Qt::AlignVCenter);
    item.setBackground(QColor(Qt::blue));
    item.setForeground(QColor(Qt::green));
    item.setCheckState(Qt::PartiallyChecked);
    item.setAccessibleText(QLatin1String("accessibleText"));
    item.setAccessibleDescription(QLatin1String("accessibleDescription"));
    item.setFlags(Qt::ItemIsEnabled | Qt::ItemIsDropEnabled);

    QStandardItem *clone = item.clone();
    QCOMPARE(clone->text(), item.text());
    QCOMPARE(clone->toolTip(), item.toolTip());
    QCOMPARE(clone->statusTip(), item.statusTip());
    QCOMPARE(clone->whatsThis(), item.whatsThis());
    QCOMPARE(clone->sizeHint(), item.sizeHint());
    QCOMPARE(clone->font(), item.font());
    QCOMPARE(clone->textAlignment(), item.textAlignment());
    QCOMPARE(clone->background(), item.background());
    QCOMPARE(clone->foreground(), item.foreground());
    QCOMPARE(clone->checkState(), item.checkState());
    QCOMPARE(clone->accessibleText(), item.accessibleText());
    QCOMPARE(clone->accessibleDescription(), item.accessibleDescription());
    QCOMPARE(clone->flags(), item.flags());
    QVERIFY(!(*clone < item));
    delete clone;
}

bool TrialTreeModel::dropMimeData(const QMimeData *mimeData, Qt::DropAction action, int row, int column, const QModelIndex &parent)
{
	if (QStandardItemModel::dropMimeData(mimeData, action, row, column, parent))
		return true;

	if (mimeData->hasUrls())
	{
		const QList<QUrl> urls = mimeData->urls();
		QStandardItem * dropInto = itemFromIndex(parent);
		if (dropInto && !dropInto->data().isNull())
		{
			// printf("Dropping onto '%s'\n", dropInto->data().toString().toAscii().data());
			QStandardItem * const tmp = new QStandardItem("Group");
			QStandardItem * const p = (dropInto->parent() ? dropInto->parent() : invisibleRootItem());
			p->insertRow(dropInto->row(), tmp);
			tmp->setChild(0, 0, dropInto->clone());
			p->removeRow(dropInto->row());
			dropInto = tmp;
		}
		if (!dropInto)
			dropInto = invisibleRootItem();
		int i = 0;
		for (QList<QUrl>::const_iterator it = urls.begin(); it != urls.end(); ++it, i++)
		{
			QFileInfo fileInfo(it->toLocalFile());
			QStandardItem * const newItem = new QStandardItem(fileInfo.fileName());
			newItem->setData(QDir::current().relativeFilePath(fileInfo.filePath()));
			newItem->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled | Qt::ItemIsDragEnabled/* | Qt::ItemIsDropEnabled*/);
			dropInto->appendRow(newItem);
		}
		return true;
	}
	return false;
}

static void loadOutline(miniexp_t outlineExp, int offset, QStandardItem* parent, const QHash< QString, int >& indexByName)
{
    const int outlineLength = miniexp_length(outlineExp);

    for(int outlineN = qMax(0, offset); outlineN < outlineLength; ++outlineN)
    {
        miniexp_t bookmarkExp = miniexp_nth(outlineN, outlineExp);
        const int bookmarkLength = miniexp_length(bookmarkExp);

        if(bookmarkLength <= 1 || !miniexp_stringp(miniexp_nth(0, bookmarkExp)) || !miniexp_stringp(miniexp_nth(1, bookmarkExp)))
        {
            continue;
        }

        const QString title = QString::fromUtf8(miniexp_to_str(miniexp_nth(0, bookmarkExp)));
        QString destination = QString::fromUtf8(miniexp_to_str(miniexp_nth(1, bookmarkExp)));

        if(!title.isEmpty() && !destination.isEmpty())
        {
            if(destination.at(0) == QLatin1Char('#'))
            {
                destination.remove(0,1);

                bool ok = false;
                int destinationPage = destination.toInt(&ok);

                if(!ok)
                {
                    if(indexByName.contains(destination))
                    {
                        destinationPage = indexByName[destination] + 1;
                    }
                    else
                    {
                        continue;
                    }
                }

                QStandardItem* item = new QStandardItem(title);
                item->setFlags(Qt::ItemIsEnabled | Qt::ItemIsSelectable);

                item->setData(destinationPage, Qt::UserRole + 1);

                QStandardItem* pageItem = item->clone();
                pageItem->setText(QString::number(destinationPage));
                pageItem->setTextAlignment(Qt::AlignRight);

                parent->appendRow(QList< QStandardItem* >() << item << pageItem);

                if(bookmarkLength >= 3)
                {
                    loadOutline(bookmarkExp, 2, item, indexByName);
                }
            }
        }
    }
}

void ToolBarDialog::addEntry()
{
	QStandardItem *sourceItem = m_ui->availableEntriesItemView->getItem(m_ui->availableEntriesItemView->getCurrentRow());

	if (sourceItem)
	{
		m_ui->currentEntriesItemView->insertRow(sourceItem->clone());
	}
}

void XbelReader::readBookmark(QStandardItem *item)
{
    QStandardItem *bookmark = createChildItem(item);
    bookmark->setIcon(bookmarkIcon);
    bookmark->setText(QCoreApplication::translate("Help::Internal::XbelReader", "Unknown title"));
    bookmark->setData(attributes().value(QLatin1String("href")).toString(),
        Qt::UserRole + 10);

    while (!atEnd()) {
        readNext();

        if (isEndElement())
            break;

        if (isStartElement()) {
            if (name() == QLatin1String("title"))
                bookmark->setText(readElementText());
            else
                readUnknownElement();
        }
    }

    listModel->appendRow(bookmark->clone());
}