ui3reader.cpp

奇趣公司比较新的qt/emd版本

void Ui3Reader::setOutputFileName(const QString &fileName)
{
    outputFileName = fileName;
}

/*! Extracts a pixmap loader function from \a e
 */
QString Ui3Reader::getPixmapLoaderFunction(const QDomElement& e)
{
    QDomElement n;
    for (n = e.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement()) {
        if (n.tagName() == QLatin1String("pixmapfunction"))
            return n.firstChild().toText().data();
    }
    return QString();
}


/*! Extracts the forms class name from \a e
 */
QString Ui3Reader::getFormClassName(const QDomElement& e)
{
    QDomElement n;
    QString cn;
    for (n = e.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement()) {
        if (n.tagName() == QLatin1String("class")) {
            QString s = n.firstChild().toText().data();
            int i;
            while ((i = s.indexOf(QLatin1Char(' '))) != -1)
                s[i] = QLatin1Char('_');
            cn = s;
        }
    }
    return cn;
}

/*! Extracts a class name from \a e.
 */
QString Ui3Reader::getClassName(const QDomElement& e)
{
    QString s = e.attribute(QLatin1String("class"));
    if (s.isEmpty() && e.tagName() == QLatin1String("toolbar"))
        s = QLatin1String(QLatin1String("QToolBar"));
    else if (s.isEmpty() && e.tagName() == QLatin1String("menubar"))
        s = QLatin1String("QMenuBar");

    return fixClassName(s);
}

/*! Returns true if database framework code is generated, else false.
*/

bool Ui3Reader::isFrameworkCodeGenerated(const QDomElement& e)
{
    QDomElement n = getObjectProperty(e, QLatin1String("frameworkCode"));
    if (n.attribute(QLatin1String("name")) == QLatin1String("frameworkCode") &&
         !DomTool::elementToVariant(n.firstChild().toElement(), QVariant(true)).toBool())
        return false;
    return true;
}

/*! Extracts an object name from \a e. It's stored in the 'name'
 property.
 */
QString Ui3Reader::getObjectName(const QDomElement& e)
{
    QDomElement n = getObjectProperty(e, QLatin1String("name"));
    if (n.firstChild().toElement().tagName() == QLatin1String("cstring"))
        return n.firstChild().toElement().firstChild().toText().data();
    return QString();
}

/*! Extracts an layout name from \a e. It's stored in the 'name'
 property of the preceding sibling (the first child of a QLayoutWidget).
 */
QString Ui3Reader::getLayoutName(const QDomElement& e)
{
    QDomElement p = e.parentNode().toElement();
    QString name;

    if (getClassName(p) != QLatin1String("QLayoutWidget"))
        name = QLatin1String("Layout");

    QDomElement n = getObjectProperty(p, QLatin1String("name"));
    if (n.firstChild().toElement().tagName() == QLatin1String("cstring")) {
        name.prepend(n.firstChild().toElement().firstChild().toText().data());
        return name.split(QLatin1String("::")).last();
    }
    return e.tagName();
}


QString Ui3Reader::getDatabaseInfo(const QDomElement& e, const QString& tag)
{
    QDomElement n;
    QDomElement n1;
    int child = 0;
    // database info is a stringlist stored in this order
    if (tag == QLatin1String("connection"))
        child = 0;
    else if (tag == QLatin1String("table"))
        child = 1;
    else if (tag == QLatin1String("field"))
        child = 2;
    else
        return QString();
    n = getObjectProperty(e, QLatin1String("database"));
    if (n.firstChild().toElement().tagName() == QLatin1String("stringlist")) {
            // find correct stringlist entry
            QDomElement n1 = n.firstChild().firstChild().toElement();
            for (int i = 0; i < child && !n1.isNull(); ++i)
                n1 = n1.nextSibling().toElement();
            if (n1.isNull())
                return QString();
            return n1.firstChild().toText().data();
    }
    return QString();
}

static const char* const ColorRole[] = {
    "Foreground", "Button", "Light", "Midlight", "Dark", "Mid",
    "Text", "BrightText", "ButtonText", "Base", "Background", "Shadow",
    "Highlight", "HighlightedText", "Link", "LinkVisited", 0
};


/*!
  Creates a colorgroup with name \a name from the color group \a cg
 */
void Ui3Reader::createColorGroupImpl(const QString& name, const QDomElement& e)
{
    int r = -1;
    QDomElement n = e.firstChild().toElement();
    QString color;

    Color white;
    white.init(255, 255, 255);

    Color black;
    black.init(0, 0, 0);

    while (!n.isNull()) {
        if (n.tagName() == QLatin1String("color")) {
            r++;
            Color col = DomTool::readColor(n);
            color = QLatin1String("QColor(%1, %2, %3)");
            color = color.arg(col.red).arg(col.green).arg(col.blue);
            if (col == white)
                color = QLatin1String("white");
            else if (col == black)
                color = QLatin1String("black");
            if (n.nextSibling().toElement().tagName() != QLatin1String("pixmap")) {
                out << indent << name << ".setColor(QColorGroup::" << ColorRole[r] << ", " << color << ");" << endl;
            }
        } else if (n.tagName() == QLatin1String("pixmap")) {
            QString pixmap = n.firstChild().toText().data();
            if (!pixmapLoaderFunction.isEmpty()) {
                pixmap.prepend(pixmapLoaderFunction
                    + QLatin1String("(")
                    + QLatin1String(externPixmaps ? "\"" : ""));

                pixmap.append(QLatin1String(externPixmaps ? "\"" : "") + QLatin1String(")"));
            }
            out << indent << name << ".setBrush(QColorGroup::"
                << ColorRole[r] << ", QBrush(" << color << ", " << pixmap << "));" << endl;
        }
        n = n.nextSibling().toElement();
    }
}

/*!
  Auxiliary function to load a color group. The colorgroup must not
  contain pixmaps.
 */
ColorGroup Ui3Reader::loadColorGroup(const QDomElement &e)
{
    ColorGroup cg;
    int r = -1;
    QDomElement n = e.firstChild().toElement();
    Color col;
    while (!n.isNull()) {
        if (n.tagName() == QLatin1String("color")) {
            r++;
            col = DomTool::readColor(n);
            cg.append(qMakePair(r, col));
        }
        n = n.nextSibling().toElement();
    }
    return cg;
}

/*!  Returns true if the widget properties specify that it belongs to
  the database \a connection and \a table.
*/

bool Ui3Reader::isWidgetInTable(const QDomElement& e, const QString& connection, const QString& table)
{
    QString conn = getDatabaseInfo(e, QLatin1String("connection"));
    QString tab = getDatabaseInfo(e, QLatin1String("table"));
    if (conn == connection && tab == table)
        return true;
    return false;
}

/*!
  Registers all database connections, cursors and forms.
*/

void Ui3Reader::registerDatabases(const QDomElement& e)
{
    QDomElement n;
    QDomNodeList nl;
    int i;
    nl = e.parentNode().toElement().elementsByTagName(QLatin1String("widget"));
    for (i = 0; i < (int) nl.length(); ++i) {
        n = nl.item(i).toElement();
        QString conn = getDatabaseInfo(n, QLatin1String("connection"));
        QString tab = getDatabaseInfo(n, QLatin1String("table"));
        QString fld = getDatabaseInfo(n, QLatin1String("field"));
        if (!conn.isNull()) {
            dbConnections += conn;
            if (!tab.isNull()) {
                dbCursors[conn] += tab;
                if (!fld.isNull())
                    dbForms[conn] += tab;
            }
        }
    }
}

/*!
  Registers an object with name \a name.

  The returned name is a valid variable identifier, as similar to \a
  name as possible and guaranteed to be unique within the form.

  \sa registeredName(), isObjectRegistered()
 */
QString Ui3Reader::registerObject(const QString& name)
{
    if (objectNames.isEmpty()) {
        // some temporary variables we need
        objectNames += QLatin1String("img");
        objectNames += QLatin1String("item");
        objectNames += QLatin1String("cg");
        objectNames += QLatin1String("pal");
    }

    QString result = name;
    int i;
    while ((i = result.indexOf(QLatin1Char(' '))) != -1 ) {
        result[i] = QLatin1Char('_');
    }

    if (objectNames.contains(result)) {
        int i = 2;
        while (objectNames.contains(result + QLatin1String("_") + QString::number(i)))
            i++;
        result += QLatin1String("_");
        result += QString::number(i);
    }
    objectNames += result;
    objectMapper.insert(name, result);
    return result;
}

/*!
  Returns the registered name for the original name \a name
  or \a name if \a name  wasn't registered.

  \sa registerObject(), isObjectRegistered()
 */
QString Ui3Reader::registeredName(const QString& name)
{
    if (!objectMapper.contains(name))
        return name;
    return objectMapper[name];
}

/*!
  Returns whether the object \a name was registered yet or not.
 */
bool Ui3Reader::isObjectRegistered(const QString& name)
{
    return objectMapper.contains(name);
}

/*!
  Unifies the entries in stringlist \a list. Should really be a QStringList feature.
 */
QStringList Ui3Reader::unique(const QStringList& list)
{
    if (list.isEmpty())
        return list;

    QStringList result;
    for (QStringList::ConstIterator it = list.begin(); it != list.end(); ++it) {
        if (!result.contains(*it))
            result += *it;
    }
    return result;
}

bool Ui3Reader::isLayout(const QString& name) const
{
    return layoutObjects.contains(name);
}

void Ui3Reader::setExtractImages(bool extract, const QString &qrcOutputFile)
{
    m_extractImages = extract;
    m_qrcOutputFile = qrcOutputFile;
}