HorizontalLineView Class Reference

This is a view of HorizontalLineItem mask. More...

Inheritance diagram for HorizontalLineView:

Collaboration diagram for HorizontalLineView:

Public Member Functions
	HorizontalLineView ()
virtual void	addView (IShape2DView *childView, int row=0)
QRectF	boundingRect () const
virtual SessionItem *	parameterizedItem ()
virtual void	setParameterizedItem (SessionItem *item)
void	setSceneAdaptor (const ISceneAdaptor *adaptor)
int	type () const

Protected Slots
virtual void	onChangedX ()
virtual void	onChangedY ()
virtual void	onPropertyChange (const QString &propertyName)
virtual void	update_view ()

Protected Member Functions
bool	blockOnProperty () const
qreal	fromSceneX (qreal value) const
	convert scene coordinates to ColorMap plot coordinates More...
qreal	fromSceneY (qreal value) const
QVariant	itemChange (GraphicsItemChange change, const QVariant &value)
	Allows item movement along y, prevent movement along x. More...
void	paint (QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)
double	par (const QString &property_name) const
void	setBlockOnProperty (bool value)
qreal	toSceneX (const QString &property_name) const
qreal	toSceneX (qreal value) const
qreal	toSceneY (const QString &property_name) const
qreal	toSceneY (qreal value) const

Protected Attributes
const ISceneAdaptor *	m_adaptor
bool	m_block_on_property_change
QRectF	m_bounding_rect
SessionItem *	m_item

Private Member Functions
void	onItemPropertyChange (const QString &propertyName)

Detailed Description

This is a view of HorizontalLineItem mask.

Definition at line 42 of file LineViews.h.

Constructor & Destructor Documentation

HorizontalLineView()

HorizontalLineView::HorizontalLineView

(

)

Definition at line 91 of file LineViews.cpp.

{
    setFlag(QGraphicsItem::ItemIsSelectable);
    setFlag(QGraphicsItem::ItemIsMovable);
    setFlag(QGraphicsItem::ItemSendsGeometryChanges);
    setCursor(Qt::SizeVerCursor);
}

Member Function Documentation

addView()

void IShape2DView::addView ( IShape2DView *  childView, int  row = 0  )

virtualinherited

Reimplemented in PolygonView.

Definition at line 116 of file IShape2DView.cpp.

{
    if (!childItems().contains(childView))
        childView->setParentItem(this);
}

Referenced by MaskGraphicsScene::updateViews().

blockOnProperty()

bool IShape2DView::blockOnProperty ( ) const

protectedinherited

Definition at line 127 of file IShape2DView.cpp.

{
    return m_block_on_property_change;
}

References IShape2DView::m_block_on_property_change.

boundingRect()

QRectF IShape2DView::boundingRect ( ) const

inherited

Definition at line 36 of file IShape2DView.cpp.

{
    return m_bounding_rect;
}

References IShape2DView::m_bounding_rect.

fromSceneX()

qreal IShape2DView::fromSceneX ( qreal  value ) const

protectedinherited

convert scene coordinates to ColorMap plot coordinates

Definition at line 106 of file IShape2DView.cpp.

{
    return m_adaptor ? m_adaptor->fromSceneX(value) : value;
}

References ISceneAdaptor::fromSceneX(), and IShape2DView::m_adaptor.

Referenced by EllipseView::mouseMoveEvent(), RectangleView::mouseMoveEvent(), EllipseView::onChangedX(), VerticalLineView::onChangedX(), RectangleView::onChangedX(), and PolygonPointView::updateParameterizedItem().

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fromSceneY()

qreal IShape2DView::fromSceneY ( qreal  value ) const

protectedinherited

Definition at line 111 of file IShape2DView.cpp.

{
    return m_adaptor ? m_adaptor->fromSceneY(value) : value;
}

References ISceneAdaptor::fromSceneY(), and IShape2DView::m_adaptor.

Referenced by EllipseView::mouseMoveEvent(), RectangleView::mouseMoveEvent(), EllipseView::onChangedY(), onChangedY(), RectangleView::onChangedY(), and PolygonPointView::updateParameterizedItem().

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itemChange()

QVariant HorizontalLineView::itemChange ( GraphicsItemChange  change, const QVariant &  value  )

protected

Allows item movement along y, prevent movement along x.

Definition at line 142 of file LineViews.cpp.

{
    if (isSelected() && change == ItemPositionChange && scene()) {
        QPointF newPos = value.toPointF();
        newPos.setX(x());
        return newPos;
    }
    return QGraphicsItem::itemChange(change, value);
}

onChangedX

virtual void IShape2DView::onChangedX ( )

inlineprotectedvirtualslotinherited

Definition at line 48 of file IShape2DView.h.

{}

Referenced by IShape2DView::IShape2DView().

onChangedY

void HorizontalLineView::onChangedY ( )

protectedvirtualslot

Definition at line 99 of file LineViews.cpp.

{
    setBlockOnProperty(true);
    m_item->setItemValue(HorizontalLineItem::P_POSY, fromSceneY(this->y()));
    setBlockOnProperty(false);
}

References IShape2DView::fromSceneY(), IShape2DView::m_item, HorizontalLineItem::P_POSY, IShape2DView::setBlockOnProperty(), and SessionItem::setItemValue().

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onItemPropertyChange()

void IShape2DView::onItemPropertyChange ( const QString &  propertyName )

privateinherited

Definition at line 132 of file IShape2DView.cpp.

{
    if (m_block_on_property_change)
        return;
 
    m_block_on_property_change = true;
 
    bool schedule_update = false;
    if (propertyName == MaskItem::P_MASK_VALUE) {
        schedule_update = true;
    } else if (propertyName == MaskItem::P_IS_VISIBLE) {
        this->setVisible(parameterizedItem()->getItemValue(MaskItem::P_IS_VISIBLE).toBool());
        schedule_update = true;
    }
 
    onPropertyChange(propertyName);
 
    if (schedule_update)
        update();
 
    m_block_on_property_change = false;
}

References IShape2DView::m_block_on_property_change, IShape2DView::onPropertyChange(), MaskItem::P_IS_VISIBLE, MaskItem::P_MASK_VALUE, and IShape2DView::parameterizedItem().

Referenced by IShape2DView::setParameterizedItem().

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onPropertyChange

void HorizontalLineView::onPropertyChange ( const QString &  propertyName )

protectedvirtualslot

Definition at line 106 of file LineViews.cpp.

{
    if (propertyName == HorizontalLineItem::P_POSY)
        setY(toSceneY(HorizontalLineItem::P_POSY));
}

References HorizontalLineItem::P_POSY, and IShape2DView::toSceneY().

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paint()

void HorizontalLineView::paint ( QPainter *  painter, const QStyleOptionGraphicsItem *  , QWidget *    )

protected

Definition at line 123 of file LineViews.cpp.

{
    bool mask_value = m_item->getItemValue(MaskItem::P_MASK_VALUE).toBool();
    painter->setBrush(MaskEditorHelper::getMaskBrush(mask_value));
    painter->setPen(MaskEditorHelper::getMaskPen(mask_value));
    painter->drawRect(
        QRectF(0.0, -mask_visible_width / 2., m_bounding_rect.width(), mask_visible_width));
 
    if (isSelected()) {
        QPen pen;
        pen.setStyle(Qt::DashLine);
        painter->setPen(pen);
        painter->setBrush(Qt::NoBrush);
        painter->drawRect(
            QRectF(0.0, -mask_visible_width / 2., m_bounding_rect.width(), mask_visible_width));
    }
}

References SessionItem::getItemValue(), MaskEditorHelper::getMaskBrush(), MaskEditorHelper::getMaskPen(), IShape2DView::m_bounding_rect, IShape2DView::m_item, and MaskItem::P_MASK_VALUE.

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par()

double IShape2DView::par ( const QString &  property_name ) const

protectedinherited

Definition at line 81 of file IShape2DView.cpp.

{
    return m_item->getItemValue(property_name).toReal();
}

References SessionItem::getItemValue(), and IShape2DView::m_item.

Referenced by EllipseView::bottom(), RectangleView::bottom(), EllipseView::left(), RectangleView::left(), EllipseView::onPropertyChange(), EllipseView::right(), RectangleView::right(), EllipseView::top(), RectangleView::top(), and EllipseView::update_position().

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parameterizedItem()

SessionItem * IShape2DView::parameterizedItem ( )

virtualinherited

Definition at line 61 of file IShape2DView.cpp.

{
    return m_item;
}

References IShape2DView::m_item.

Referenced by IShape2DView::onItemPropertyChange().

setBlockOnProperty()

void IShape2DView::setBlockOnProperty ( bool  value )

protectedinherited

Definition at line 122 of file IShape2DView.cpp.

{
    m_block_on_property_change = value;
}

References IShape2DView::m_block_on_property_change.

Referenced by EllipseView::onChangedX(), VerticalLineView::onChangedX(), RectangleView::onChangedX(), EllipseView::onChangedY(), onChangedY(), and RectangleView::onChangedY().

setParameterizedItem()

void IShape2DView::setParameterizedItem ( SessionItem *  item )

virtualinherited

Definition at line 41 of file IShape2DView.cpp.

{
    if (m_item == item) {
        return;
 
    } else {
        if (m_item)
            m_item->mapper()->unsubscribe(this);
 
        m_item = item;
        if (!m_item)
            return;
 
        m_item->mapper()->setOnPropertyChange(
            [this](const QString& name) { onItemPropertyChange(name); }, this);
 
        m_item->mapper()->setOnItemDestroy([this](SessionItem*) { m_item = 0; }, this);
    }
}

References IShape2DView::m_item, SessionItem::mapper(), RealSpace::Particles::name(), IShape2DView::onItemPropertyChange(), ModelMapper::setOnItemDestroy(), ModelMapper::setOnPropertyChange(), and ModelMapper::unsubscribe().

Referenced by MaskViewFactory::createMaskView().

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setSceneAdaptor()

void IShape2DView::setSceneAdaptor ( const ISceneAdaptor *  adaptor )

inherited

Definition at line 66 of file IShape2DView.cpp.

{
    ASSERT(adaptor);
 
    if (m_adaptor != adaptor) {
        if (m_adaptor)
            disconnect(m_adaptor, &ISceneAdaptor::update_request, this, &IShape2DView::update_view);
 
        m_adaptor = adaptor;
        connect(m_adaptor, &ISceneAdaptor::update_request, this, &IShape2DView::update_view,
                Qt::UniqueConnection);
        update_view();
    }
}

References ASSERT, IShape2DView::m_adaptor, ISceneAdaptor::update_request(), and IShape2DView::update_view().

Referenced by MaskViewFactory::createMaskView().

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toSceneX() [1/2]

qreal IShape2DView::toSceneX ( const QString &  property_name ) const

protectedinherited

Definition at line 86 of file IShape2DView.cpp.

{
    return toSceneX(m_item->getItemValue(property_name).toReal());
}

References SessionItem::getItemValue(), and IShape2DView::m_item.

Referenced by EllipseView::left(), RectangleView::left(), EllipseView::onPropertyChange(), VerticalLineView::onPropertyChange(), EllipseView::right(), RectangleView::right(), PolygonView::update_polygon(), EllipseView::update_position(), RectangleView::update_position(), and VerticalLineView::update_view().

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toSceneX() [2/2]

qreal IShape2DView::toSceneX ( qreal  value ) const

protectedinherited

Definition at line 91 of file IShape2DView.cpp.

{
    return m_adaptor ? m_adaptor->toSceneX(value) : value;
}

References IShape2DView::m_adaptor, and ISceneAdaptor::toSceneX().

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toSceneY() [1/2]

qreal IShape2DView::toSceneY ( const QString &  property_name ) const

protectedinherited

Definition at line 96 of file IShape2DView.cpp.

{
    return toSceneY(m_item->getItemValue(property_name).toReal());
}

References SessionItem::getItemValue(), and IShape2DView::m_item.

Referenced by EllipseView::bottom(), RectangleView::bottom(), EllipseView::onPropertyChange(), onPropertyChange(), EllipseView::top(), RectangleView::top(), PolygonView::update_polygon(), EllipseView::update_position(), RectangleView::update_position(), and update_view().

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toSceneY() [2/2]

qreal IShape2DView::toSceneY ( qreal  value ) const

protectedinherited

Definition at line 101 of file IShape2DView.cpp.

{
    return m_adaptor ? m_adaptor->toSceneY(value) : value;
}

References IShape2DView::m_adaptor, and ISceneAdaptor::toSceneY().

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type()

int HorizontalLineView::type ( ) const

inlinevirtual

Reimplemented from IShape2DView.

Definition at line 46 of file LineViews.h.

{ return MaskEditorHelper::HORIZONTALLINE; }

References MaskEditorHelper::HORIZONTALLINE.

update_view

void HorizontalLineView::update_view ( )

protectedvirtualslot

Definition at line 112 of file LineViews.cpp.

{
    QRectF plot_scene_rectangle = m_adaptor->viewportRectangle();
 
    setX(plot_scene_rectangle.left());
    setY(toSceneY(HorizontalLineItem::P_POSY));
 
    m_bounding_rect = QRectF(0.0, -mask_width / 2., plot_scene_rectangle.width(), mask_width);
    update();
}

References IShape2DView::m_adaptor, IShape2DView::m_bounding_rect, HorizontalLineItem::P_POSY, IShape2DView::toSceneY(), and ISceneAdaptor::viewportRectangle().

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Member Data Documentation

m_adaptor

const ISceneAdaptor* IShape2DView::m_adaptor

protectedinherited

Definition at line 66 of file IShape2DView.h.

Referenced by IShape2DView::fromSceneX(), IShape2DView::fromSceneY(), IShape2DView::setSceneAdaptor(), IShape2DView::toSceneX(), IShape2DView::toSceneY(), IntensityDataView::update_view(), VerticalLineView::update_view(), update_view(), MaskAllView::update_view(), and MaskContainerView::update_view().

m_block_on_property_change

bool IShape2DView::m_block_on_property_change

protectedinherited

Definition at line 68 of file IShape2DView.h.

Referenced by IShape2DView::blockOnProperty(), IShape2DView::onItemPropertyChange(), and IShape2DView::setBlockOnProperty().

m_bounding_rect

QRectF IShape2DView::m_bounding_rect

protectedinherited

Definition at line 67 of file IShape2DView.h.

Referenced by IShape2DView::boundingRect(), VerticalLineView::paint(), paint(), MaskAllView::paint(), RectangleBaseView::update_bounding_rect(), PolygonView::update_polygon(), IntensityDataView::update_view(), VerticalLineView::update_view(), update_view(), MaskAllView::update_view(), and MaskContainerView::update_view().

m_item

SessionItem* IShape2DView::m_item

protectedinherited

Definition at line 65 of file IShape2DView.h.

Referenced by IShape2DView::~IShape2DView(), PolygonView::closePolygonIfNecessary(), PolygonView::isClosedPolygon(), EllipseView::mouseMoveEvent(), RectangleView::mouseMoveEvent(), EllipseView::onChangedX(), VerticalLineView::onChangedX(), RectangleView::onChangedX(), EllipseView::onChangedY(), onChangedY(), RectangleView::onChangedY(), EllipseView::paint(), VerticalLineView::paint(), paint(), PolygonView::paint(), RectangleView::paint(), IShape2DView::par(), IShape2DView::parameterizedItem(), IShape2DView::setParameterizedItem(), IShape2DView::toSceneX(), IShape2DView::toSceneY(), RectangleBaseView::update_bounding_rect(), PolygonView::update_polygon(), and PolygonPointView::updateParameterizedItem().

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

• /home/www/ba/GUI/coregui/Views/MaskWidgets/LineViews.h
• /home/www/ba/GUI/coregui/Views/MaskWidgets/LineViews.cpp