DesignerMimeData Class Reference

Mime data for use with SampleDesigner drag and drop operations. More...

Inheritance diagram for DesignerMimeData:

Collaboration diagram for DesignerMimeData:

Public Member Functions
	DesignerMimeData (const QString &name, const QString &xmldescr, QDrag *drag)
virtual	~DesignerMimeData ()
QString	getClassName () const

Static Public Member Functions
static Qt::DropAction	execDrag (const QString &name, const QString &xmldescr, QWidget *dragSource)
	Execute a drag and drop operation. More...

Private Member Functions
QPixmap	getPixmap (const QString &name)
void	read_widget (QXmlStreamReader &reader)
void	read_xmldescr (const QString &xmldescr)

Private Attributes
QString	m_classname
QString	m_entryname
QString	m_xmldescr

Detailed Description

Mime data for use with SampleDesigner drag and drop operations.

Definition at line 24 of file DesignerMimeData.h.

Constructor & Destructor Documentation

DesignerMimeData()

DesignerMimeData::DesignerMimeData	(	const QString &	name,
		const QString &	xmldescr,
		QDrag *	drag
	)

Definition at line 31 of file DesignerMimeData.cpp.

    : m_entryname(entryname), m_xmldescr(xmldescr)
{
    drag->setMimeData(this);
 
    read_xmldescr(m_xmldescr);
 
    QByteArray itemData;
    QDataStream dataStream(&itemData, QIODevice::WriteOnly);
    dataStream << xmldescr;
    setData("bornagain/widget", itemData);
 
    drag->setPixmap(getPixmap(m_classname));
    drag->setHotSpot(QPoint(drag->pixmap().width() / 2, drag->pixmap().height() / 2));
}

References getPixmap(), m_classname, m_xmldescr, and read_xmldescr().

Referenced by execDrag().

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~DesignerMimeData()

virtual DesignerMimeData::~DesignerMimeData ( )

inlinevirtual

Definition at line 28 of file DesignerMimeData.h.

{}

Member Function Documentation

execDrag()

Qt::DropAction DesignerMimeData::execDrag ( const QString &  name, const QString &  xmldescr, QWidget *  dragSource  )

static

Execute a drag and drop operation.

Definition at line 91 of file DesignerMimeData.cpp.

{
    if (xmldescr.size() == 0)
        return Qt::IgnoreAction;
 
    QDrag* drag = new QDrag(dragSource);
    DesignerMimeData* mimeData = new DesignerMimeData(name, xmldescr, drag);
    Q_UNUSED(mimeData);
 
    const Qt::DropAction executedAction = drag->exec(Qt::CopyAction);
 
    return executedAction;
}

References DesignerMimeData(), and RealSpace::Particles::name().

Referenced by qdesigner_internal::WidgetBox::handleMousePress().

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getClassName()

QString DesignerMimeData::getClassName ( ) const

inline

Definition at line 34 of file DesignerMimeData.h.

{ return m_classname; }

References m_classname.

Referenced by MultiLayerView::checkDragEvent(), DesignerScene::dropEvent(), MultiLayerView::dropEvent(), and DesignerScene::isAcceptedByMultiLayer().

getPixmap()

QPixmap DesignerMimeData::getPixmap ( const QString &  name )

private

Definition at line 106 of file DesignerMimeData.cpp.

{
    return DesignerHelper::getMimePixmap(name);
}

References DesignerHelper::getMimePixmap(), and RealSpace::Particles::name().

Referenced by DesignerMimeData().

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read_widget()

void DesignerMimeData::read_widget ( QXmlStreamReader &  reader )

private

Definition at line 77 of file DesignerMimeData.cpp.

{
    for (const QXmlStreamAttribute& attribute : reader.attributes()) {
        QStringRef name = attribute.name();
        if (name == "class") {
            m_classname = attribute.value().toString();
            continue;
        }
        reader.raiseError("Unexpected attribute " + name.toString());
    }
    reader.skipCurrentElement();
}

References m_classname, and RealSpace::Particles::name().

Referenced by read_xmldescr().

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read_xmldescr()

void DesignerMimeData::read_xmldescr ( const QString &  xmldescr )

private

Definition at line 47 of file DesignerMimeData.cpp.

{
    QXmlStreamReader reader(xmldescr);
 
    bool widget_found = false;
    while (!reader.atEnd()) {
        if (reader.readNext() == QXmlStreamReader::StartElement) {
            const QStringRef name = reader.name();
            if (widget_found)
                reader.raiseError("Unexpected element <" + name.toString() + ">");
            if (name.compare(QStringLiteral("widget"), Qt::CaseInsensitive) == 0)
                read_widget(reader);
            else
                reader.raiseError("Unexpected element <" + name.toString() + ">");
        }
    }
    if (reader.hasError()) {
        QString errorMessage = tr("A parse error occurred at line %1, column %2 of the XML code "
                                  "specified for the widget %3: %4\n%5")
                                   .arg(reader.lineNumber())
                                   .arg(reader.columnNumber())
                                   .arg(m_entryname)
                                   .arg(reader.errorString())
                                   .arg(xmldescr);
        std::cout << "DesignerMimeData::read_xmldescr() -> Error during parse." << std::endl;
        std::cout << errorMessage.toStdString() << std::endl;
    }
}

References m_entryname, RealSpace::Particles::name(), QStringLiteral, and read_widget().

Referenced by DesignerMimeData().

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Member Data Documentation

m_classname

QString DesignerMimeData::m_classname

private

Definition at line 44 of file DesignerMimeData.h.

Referenced by DesignerMimeData(), getClassName(), and read_widget().

m_entryname

QString DesignerMimeData::m_entryname

private

Definition at line 42 of file DesignerMimeData.h.

Referenced by read_xmldescr().

m_xmldescr

QString DesignerMimeData::m_xmldescr

private

Definition at line 43 of file DesignerMimeData.h.

Referenced by DesignerMimeData().

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The documentation for this class was generated from the following files:

• /home/www/ba/GUI/coregui/Views/SampleDesigner/DesignerMimeData.h
• /home/www/ba/GUI/coregui/Views/SampleDesigner/DesignerMimeData.cpp