abstractformbuilder.cpp

QT 开发环境里面一个很重要的文件

        case QVariant::Date: {
            DomDate *dom = new DomDate();
            QDate date = qvariant_cast<QDate>(v);

            dom->setElementYear(date.year());
            dom->setElementMonth(date.month());
            dom->setElementDay(date.day());

            dom_prop->setElementDate(dom);
        } break;

        case QVariant::Time: {
            DomTime *dom = new DomTime();
            QTime time = qvariant_cast<QTime>(v);

            dom->setElementHour(time.hour());
            dom->setElementMinute(time.minute());
            dom->setElementSecond(time.second());

            dom_prop->setElementTime(dom);
        } break;

        case QVariant::DateTime: {
            DomDateTime *dom = new DomDateTime();
            QDateTime dateTime = qvariant_cast<QDateTime>(v);

            dom->setElementHour(dateTime.time().hour());
            dom->setElementMinute(dateTime.time().minute());
            dom->setElementSecond(dateTime.time().second());
            dom->setElementYear(dateTime.date().year());
            dom->setElementMonth(dateTime.date().month());
            dom->setElementDay(dateTime.date().day());

            dom_prop->setElementDateTime(dom);
        } break;

        case QVariant::Url: {
            DomUrl *dom = new DomUrl();
            QUrl url = v.toUrl();

            DomString *str = new DomString();
            str->setText(url.toString());
            dom->setElementString(str);

            dom_prop->setElementUrl(dom);
        } break;

        case QVariant::Pixmap:
        case QVariant::Icon: {
            DomResourcePixmap *r = new DomResourcePixmap;
            QString icon_path;
            QString qrc_path;
            if (v.type() == QVariant::Icon) {
                QIcon icon = qvariant_cast<QIcon>(v);
                icon_path = iconToFilePath(icon);
                qrc_path = iconToQrcPath(icon);
            } else {
                QPixmap pixmap = qvariant_cast<QPixmap>(v);
                icon_path = pixmapToFilePath(pixmap);
                qrc_path = pixmapToQrcPath(pixmap);
            }

            if (qrc_path.isEmpty())
                icon_path = workingDirectory().relativeFilePath(icon_path);
            else
                qrc_path = workingDirectory().relativeFilePath(qrc_path);

			icon_path = icon_path.replace(QLatin1Char('\\'), QLatin1Char('/'));
			qrc_path = qrc_path.replace(QLatin1Char('\\'), QLatin1Char('/'));

            r->setText(icon_path);
            if (!qrc_path.isEmpty())
                r->setAttributeResource(qrc_path);

            if (v.type() == QVariant::Icon)
                dom_prop->setElementIconSet(r);
            else
                dom_prop->setElementPixmap(r);
        } break;

        case QVariant::StringList: {
            DomStringList *sl = new DomStringList;
            sl->setElementString(qvariant_cast<QStringList>(v));
            dom_prop->setElementStringList(sl);
        } break;

        default: {
            qWarning("support for property `%s' of type `%d' not implemented yet!!",
                pname.toUtf8().data(), v.type());
        } break;
    }

    dom_prop->setAttributeName(pname);
    // ### dom_prop->setAttributeStdset(true);

    if (dom_prop->kind() == DomProperty::Unknown) {
        delete dom_prop;
        dom_prop = 0;
    }

    return dom_prop;
}

/*!
    \internal
*/
QList<DomProperty*> QAbstractFormBuilder::computeProperties(QObject *obj)
{
    QList<DomProperty*> lst;

    const QMetaObject *meta = obj->metaObject();

    QHash<QByteArray, bool> properties;
    for(int i=0; i<meta->propertyCount(); ++i)
        properties.insert(meta->property(i).name(), true);

    QList<QByteArray> propertyNames = properties.keys();

    for(int i=0; i<propertyNames.size(); ++i) {
        QString pname = QString::fromUtf8(propertyNames.at(i));
        QMetaProperty prop = meta->property(meta->indexOfProperty(pname.toUtf8()));

        if (!prop.isWritable() || !checkProperty(obj, QLatin1String(prop.name())))
            continue;

        QVariant v = prop.read(obj);

        DomProperty *dom_prop = 0;
        if (v.type() == QVariant::Int) {
            dom_prop = new DomProperty();

            if (prop.isFlagType())
                qWarning("flags property not supported yet!!");

            if (prop.isEnumType()) {
                QString scope = QString::fromUtf8(prop.enumerator().scope());
                if (scope.size())
                    scope += QString::fromUtf8("::");
                QString e = QString::fromUtf8(prop.enumerator().valueToKey(v.toInt()));
                if (e.size())
                    dom_prop->setElementEnum(scope + e);
            } else
                dom_prop->setElementNumber(v.toInt());
            dom_prop->setAttributeName(pname);
        } else {
            dom_prop = createProperty(obj, pname, v);
        }

        if (!dom_prop || dom_prop->kind() == DomProperty::Unknown)
            delete dom_prop;
        else
            lst.append(dom_prop);
    }

    return lst;
}

/*!
    \internal
*/
bool QAbstractFormBuilder::toBool(const QString &str)
{
    return str.toLower() == QLatin1String("true");
}

/*!
    \internal
*/
QHash<QString, DomProperty*> QAbstractFormBuilder::propertyMap(const QList<DomProperty*> &properties)
{
    QHash<QString, DomProperty*> map;

    foreach (DomProperty *p, properties)
        map.insert(p->attributeName(), p);

    return map;
}

/*!
    \internal
*/
bool QAbstractFormBuilder::checkProperty(QObject *obj, const QString &prop) const
{
    Q_UNUSED(obj);
    Q_UNUSED(prop);

    return true;
}

/*!
    \internal
*/
QString QAbstractFormBuilder::toString(const DomString *str)
{
    return str ? str->text() : QString();
}

/*!
    \internal
*/
void QAbstractFormBuilder::applyTabStops(QWidget *widget, DomTabStops *tabStops)
{
    if (!tabStops)
        return;

    QWidget *lastWidget = 0;

    QStringList l = tabStops->elementTabStop();
    for (int i=0; i<l.size(); ++i) {
        QString name = l.at(i);

        QWidget *child = qFindChild<QWidget*>(widget, name);
        if (!child) {
            qWarning("'%s' isn't a valid widget\n", name.toUtf8().data());
            continue;
        }

        if (i == 0) {
            lastWidget = qFindChild<QWidget*>(widget, name);
            continue;
        } else if (!child || !lastWidget) {
            continue;
        }

        QWidget::setTabOrder(lastWidget, child);

        lastWidget = qFindChild<QWidget*>(widget, name);
    }
}

/*!
    \internal
*/
DomCustomWidgets *QAbstractFormBuilder::saveCustomWidgets()
{
    return 0;
}

/*!
    \internal
*/
DomTabStops *QAbstractFormBuilder::saveTabStops()
{
    return 0;
}

/*!
    \internal
*/
DomResources *QAbstractFormBuilder::saveResources()
{
    return 0;
}

/*!
    \internal
*/
void QAbstractFormBuilder::saveTreeWidgetExtraInfo(QTreeWidget *treeWidget, DomWidget *ui_widget, DomWidget *ui_parentWidget)
{
    Q_UNUSED(ui_parentWidget);

    QList<DomColumn*> columns;

    // save the header
    for (int c = 0; c<treeWidget->columnCount(); ++c) {
        DomColumn *column = new DomColumn;

        QList<DomProperty*> properties;

        // property text
        DomProperty *ptext = new DomProperty;
        DomString *str = new DomString;
        str->setText(treeWidget->headerItem()->text(c));
        ptext->setAttributeName(QLatin1String("text"));
        ptext->setElementString(str);
        properties.append(ptext);

        QIcon icon = treeWidget->headerItem()->icon(c);
        if (!icon.isNull()) {
            QString iconPath = iconToFilePath(icon);
            QString qrcPath = iconToQrcPath(icon);

            DomProperty *p = new DomProperty;

            DomResourcePixmap *pix = new DomResourcePixmap;
            if (!qrcPath.isEmpty())
                pix->setAttributeResource(qrcPath);

            pix->setText(iconPath);

            p->setAttributeName(QLatin1String("icon"));
            p->setElementIconSet(pix);

            properties.append(p);
        }

        column->setElementProperty(properties);
        columns.append(column);
    }

    ui_widget->setElementColumn(columns);

    QList<DomItem *> items = ui_widget->elementItem();

    QQueue<QPair<QTreeWidgetItem *, DomItem *> > pendingQueue;
    for (int i = 0; i < treeWidget->topLevelItemCount(); i++)
        pendingQueue.enqueue(qMakePair(treeWidget->topLevelItem(i), (DomItem *)0));

    while (!pendingQueue.isEmpty()) {
        QPair<QTreeWidgetItem *, DomItem *> pair = pendingQueue.dequeue();
        QTreeWidgetItem *item = pair.first;
        DomItem *parentDomItem = pair.second;

        DomItem *currentDomItem = new DomItem;

        QList<DomProperty*> properties;
        for (int c = 0; c < treeWidget->columnCount(); c++) {
            DomProperty *ptext = new DomProperty;
            DomString *str = new DomString;
            str->setText(item->text(c));
            ptext->setAttributeName(QLatin1String("text"));
            ptext->setElementString(str);
            properties.append(ptext);

            QIcon icon = item->icon(c);
            if (!icon.isNull()) {
                QString iconPath = iconToFilePath(icon);
                QString qrcPath = iconToQrcPath(icon);

                DomProperty *p = new DomProperty;

                DomResourcePixmap *pix = new DomResourcePixmap;
                if (!qrcPath.isEmpty())
                    pix->setAttributeResource(qrcPath);

                pix->setText(iconPath);

                p->setAttributeName(QLatin1String("icon"));
                p->setElementIconSet(pix);

                properties.append(p);
            }

        }
        currentDomItem->setElementProperty(properties);

        if (parentDomItem) {
            QList<DomItem *> childrenItems = parentDomItem->elementItem();
            childrenItems.append(currentDomItem);
            parentDomItem->setElementItem(childrenItems);
        } else
            items.append(currentDomItem);

        for (int i = 0; i < item->childCount(); i++)
            pendingQueue.enqueue(qMakePair(item->child(i), currentDomItem));
    }

    ui_widget->setElementItem(items);
}

/*!
    \internal
*/
void QAbstractFormBuilder::saveTableWidgetExtraInfo(QTableWidget *tableWidget, DomWidget *ui_widget, DomWidget *ui_parentWidget)
{
    Q_UNUSED(ui_parentWidget);

    // save the horizontal header
    QList<DomColumn*> columns;
    for (int c = 0; c < tableWidget->columnCount(); c++) {
        DomColumn *column = new DomColumn;
        QList<DomProperty*> properties;
        QTableWidgetItem *item = tableWidget->horizontalHeaderItem(c);
        if (item) {
            // property text
            DomProperty *ptext = new DomProperty;
            DomString *str = new DomString;
            str->setText(item->text());
            ptext->setAttributeName(QLatin1String("text"));
            ptext->setElementString(str);
            properties.append(ptext);

            QIcon icon = item->icon();
            if (!icon.isNull()) {
                QString iconPath = iconToFilePath(icon);
                QString qrcPath = iconToQrcPath(icon);

                DomProperty *p = new DomProperty;

                DomResourcePixmap *pix = new DomResourcePixmap;
                if (!qrcPath.isEmpty())
                    pix->setAttributeResource(qrcPath);

                pix->setText(iconPath);

                p->setAttributeName(QLatin1Strin