RectangleBaseView Class Reference

Base view for all rectangular-like masks. More...

Inheritance diagram for RectangleBaseView:

Collaboration diagram for RectangleBaseView:

Public Member Functions
	RectangleBaseView ()
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 &)

Protected Member Functions
bool	blockOnProperty () const
virtual qreal	bottom () const =0
void	create_size_handle_elements ()
qreal	fromSceneX (qreal value) const
	convert scene coordinates to ColorMap plot coordinates More...
qreal	fromSceneY (qreal value) const
qreal	height () const
QVariant	itemChange (GraphicsItemChange change, const QVariant &value)
	Track if item selected/deselected and show/hide size handles. More...
virtual qreal	left () const =0
virtual QRectF	mask_rectangle ()=0
void	mouseReleaseEvent (QGraphicsSceneMouseEvent *event)
double	par (const QString &property_name) const
virtual qreal	right () const =0
void	setBlockOnProperty (bool value)
virtual qreal	top () const =0
qreal	toSceneX (const QString &property_name) const
qreal	toSceneX (qreal value) const
qreal	toSceneY (const QString &property_name) const
qreal	toSceneY (qreal value) const
virtual void	update_bounding_rect ()
	updates view's bounding rectangle using item properties More...
virtual void	update_position ()=0
void	update_view ()
	update visual appearance of view (triggered by ISceneAdaptor) More...
qreal	width () const
	returns width of the rectangle More...

Protected Attributes
SizeHandleElement *	m_activeHandleElement
const ISceneAdaptor *	m_adaptor
bool	m_block_on_property_change
QRectF	m_bounding_rect
SessionItem *	m_item
QRectF	m_mask_rect
	mask rectangle in scene coordinates More...
QMap< SizeHandleElement::EHandleLocation, SizeHandleElement * >	m_resize_handles
	coordinates of corner opposite to the grip corner at the moment it first clicked in scene coordinates More...
QPointF	m_resize_opposite_origin

Private Slots
void	onSizeHandleElementRequest (bool going_to_resize)
	triggered by SizeHandleElement More...

Private Member Functions
void	onItemPropertyChange (const QString &propertyName)

Detailed Description

Base view for all rectangular-like masks.

Definition at line 24 of file RectangleBaseView.h.

Constructor & Destructor Documentation

RectangleBaseView()

RectangleBaseView::RectangleBaseView

(

)

Definition at line 22 of file RectangleBaseView.cpp.

                                     : m_activeHandleElement(0)
{
    setFlag(QGraphicsItem::ItemIsSelectable);
    setFlag(QGraphicsItem::ItemIsMovable);
    setFlag(QGraphicsItem::ItemSendsGeometryChanges);
    setAcceptHoverEvents(true);
    create_size_handle_elements();
}

References create_size_handle_elements().

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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.

bottom()

virtual qreal RectangleBaseView::bottom ( ) const

protectedpure virtual

Implemented in RectangleView, and EllipseView.

Referenced by height().

boundingRect()

QRectF IShape2DView::boundingRect ( ) const

inherited

Definition at line 36 of file IShape2DView.cpp.

{
    return m_bounding_rect;
}

References IShape2DView::m_bounding_rect.

create_size_handle_elements()

void RectangleBaseView::create_size_handle_elements ( )

protected

Definition at line 100 of file RectangleBaseView.cpp.

{
    QList<SizeHandleElement::EHandleLocation> points;
    points << SizeHandleElement::TOPLEFT << SizeHandleElement::TOPMIDDLE
           << SizeHandleElement::TOPRIGHT << SizeHandleElement::MIDDLERIGHT
           << SizeHandleElement::BOTTOMRIGHT << SizeHandleElement::BOTTOMMIDLE
           << SizeHandleElement::BOTTOMLEFT << SizeHandleElement::MIDDLELEFT;
 
    for (SizeHandleElement::EHandleLocation point_type : points) {
        SizeHandleElement* el = new SizeHandleElement(point_type, this);
        connect(el, &SizeHandleElement::resize_request, this,
                &RectangleBaseView::onSizeHandleElementRequest);
        el->setVisible(false);
        m_resize_handles[point_type] = el;
    }
}

References SizeHandleElement::BOTTOMLEFT, SizeHandleElement::BOTTOMMIDLE, SizeHandleElement::BOTTOMRIGHT, m_resize_handles, SizeHandleElement::MIDDLELEFT, SizeHandleElement::MIDDLERIGHT, onSizeHandleElementRequest(), SizeHandleElement::resize_request(), SizeHandleElement::TOPLEFT, SizeHandleElement::TOPMIDDLE, and SizeHandleElement::TOPRIGHT.

Referenced by RectangleBaseView().

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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(), HorizontalLineView::onChangedY(), RectangleView::onChangedY(), and PolygonPointView::updateParameterizedItem().

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height()

qreal RectangleBaseView::height ( ) const

protected

Definition at line 95 of file RectangleBaseView.cpp.

{
    return bottom() - top();
}

References bottom(), and top().

Referenced by EllipseView::mask_rectangle(), RectangleView::mask_rectangle(), and EllipseView::mouseMoveEvent().

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itemChange()

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

protected

Track if item selected/deselected and show/hide size handles.

Definition at line 48 of file RectangleBaseView.cpp.

{
    if (change == QGraphicsItem::ItemSelectedChange) {
        for (auto it = m_resize_handles.begin(); it != m_resize_handles.end(); ++it) {
            it.value()->setVisible(!this->isSelected());
        }
    }
    return value;
}

References m_resize_handles.

left()

virtual qreal RectangleBaseView::left ( ) const

protectedpure virtual

Implemented in RectangleView, and EllipseView.

Referenced by width().

mask_rectangle()

virtual QRectF RectangleBaseView::mask_rectangle ( )

protectedpure virtual

Implemented in RectangleView, and EllipseView.

Referenced by update_bounding_rect().

mouseReleaseEvent()

void RectangleBaseView::mouseReleaseEvent ( QGraphicsSceneMouseEvent *  event )

protected

Definition at line 59 of file RectangleBaseView.cpp.

{
    onSizeHandleElementRequest(false);
    IShape2DView::mouseReleaseEvent(event);
}

References onSizeHandleElementRequest().

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onChangedX

virtual void IShape2DView::onChangedX ( )

inlineprotectedvirtualslotinherited

Definition at line 48 of file IShape2DView.h.

{}

Referenced by IShape2DView::IShape2DView().

onChangedY

virtual void IShape2DView::onChangedY ( )

inlineprotectedvirtualslotinherited

Definition at line 49 of file IShape2DView.h.

{}

Referenced by IShape2DView::IShape2DView().

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

virtual void IShape2DView::onPropertyChange ( const QString &  )

inlineprotectedvirtualslotinherited

Definition at line 50 of file IShape2DView.h.

{}

Referenced by IShape2DView::onItemPropertyChange().

onSizeHandleElementRequest

void RectangleBaseView::onSizeHandleElementRequest ( bool  going_to_resize )

privateslot

triggered by SizeHandleElement

Definition at line 32 of file RectangleBaseView.cpp.

{
    if (going_to_resize) {
        setFlag(QGraphicsItem::ItemIsMovable, false);
        m_activeHandleElement = qobject_cast<SizeHandleElement*>(sender());
        ASSERT(m_activeHandleElement);
        SizeHandleElement::EHandleLocation oposite_corner =
            m_activeHandleElement->getOppositeHandleLocation();
        m_resize_opposite_origin = m_resize_handles[oposite_corner]->scenePos();
    } else {
        setFlag(QGraphicsItem::ItemIsMovable, true);
        m_activeHandleElement = 0;
    }
}

References ASSERT, SizeHandleElement::getOppositeHandleLocation(), m_activeHandleElement, m_resize_handles, and m_resize_opposite_origin.

Referenced by create_size_handle_elements(), and mouseReleaseEvent().

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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().

right()

virtual qreal RectangleBaseView::right ( ) const

protectedpure virtual

Implemented in RectangleView, and EllipseView.

Referenced by width().

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(), HorizontalLineView::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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top()

virtual qreal RectangleBaseView::top ( ) const

protectedpure virtual

Implemented in RectangleView, and EllipseView.

Referenced by height().

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(), HorizontalLineView::onPropertyChange(), EllipseView::top(), RectangleView::top(), PolygonView::update_polygon(), EllipseView::update_position(), RectangleView::update_position(), and HorizontalLineView::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 RectangleBaseView::type ( ) const

inlinevirtual

Reimplemented from IShape2DView.

Reimplemented in RegionOfInterestView, and RectangleView.

Definition at line 28 of file RectangleBaseView.h.

{ return MaskEditorHelper::RECTANGLEBASE; }

References MaskEditorHelper::RECTANGLEBASE.

update_bounding_rect()

void RectangleBaseView::update_bounding_rect ( )

protectedvirtual

updates view's bounding rectangle using item properties

Definition at line 74 of file RectangleBaseView.cpp.

{
    if (m_item) {
        m_mask_rect = mask_rectangle();
        m_bounding_rect = m_mask_rect.marginsAdded(
            QMarginsF(bbox_margins, bbox_margins, bbox_margins, bbox_margins));
    }
    for (QMap<SizeHandleElement::EHandleLocation, SizeHandleElement*>::iterator it =
             m_resize_handles.begin();
         it != m_resize_handles.end(); ++it) {
        it.value()->updateHandleElementPosition(m_mask_rect);
    }
}

References IShape2DView::m_bounding_rect, IShape2DView::m_item, m_mask_rect, m_resize_handles, and mask_rectangle().

Referenced by update_view().

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update_position()

virtual void RectangleBaseView::update_position ( )

protectedpure virtual

Implemented in RectangleView, and EllipseView.

Referenced by update_view().

update_view()

void RectangleBaseView::update_view ( )

protectedvirtual

update visual appearance of view (triggered by ISceneAdaptor)

Implements IShape2DView.

Definition at line 65 of file RectangleBaseView.cpp.

{
    prepareGeometryChange();
    update_bounding_rect();
    update_position();
}

References update_bounding_rect(), and update_position().

Referenced by RectangleView::mouseMoveEvent(), EllipseView::onPropertyChange(), and RectangleView::onPropertyChange().

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width()

qreal RectangleBaseView::width ( ) const

protected

returns width of the rectangle

Definition at line 90 of file RectangleBaseView.cpp.

{
    return right() - left();
}

References left(), and right().

Referenced by EllipseView::mask_rectangle(), RectangleView::mask_rectangle(), and EllipseView::mouseMoveEvent().

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Member Data Documentation

m_activeHandleElement

SizeHandleElement* RectangleBaseView::m_activeHandleElement

protected

Definition at line 57 of file RectangleBaseView.h.

Referenced by EllipseView::mouseMoveEvent(), RectangleView::mouseMoveEvent(), and onSizeHandleElementRequest().

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(), HorizontalLineView::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(), HorizontalLineView::paint(), MaskAllView::paint(), update_bounding_rect(), PolygonView::update_polygon(), IntensityDataView::update_view(), VerticalLineView::update_view(), HorizontalLineView::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(), HorizontalLineView::onChangedY(), RectangleView::onChangedY(), EllipseView::paint(), VerticalLineView::paint(), HorizontalLineView::paint(), PolygonView::paint(), RectangleView::paint(), IShape2DView::par(), IShape2DView::parameterizedItem(), IShape2DView::setParameterizedItem(), IShape2DView::toSceneX(), IShape2DView::toSceneY(), update_bounding_rect(), PolygonView::update_polygon(), and PolygonPointView::updateParameterizedItem().

m_mask_rect

QRectF RectangleBaseView::m_mask_rect

protected

mask rectangle in scene coordinates

Definition at line 52 of file RectangleBaseView.h.

Referenced by RectangleView::onChangedX(), RectangleView::onChangedY(), EllipseView::paint(), RectangleView::paint(), RegionOfInterestView::paint(), and update_bounding_rect().

m_resize_handles

QMap<SizeHandleElement::EHandleLocation, SizeHandleElement*> RectangleBaseView::m_resize_handles

protected

coordinates of corner opposite to the grip corner at the moment it first clicked in scene coordinates

Definition at line 53 of file RectangleBaseView.h.

Referenced by create_size_handle_elements(), itemChange(), onSizeHandleElementRequest(), and update_bounding_rect().

m_resize_opposite_origin

QPointF RectangleBaseView::m_resize_opposite_origin

protected

Definition at line 56 of file RectangleBaseView.h.

Referenced by EllipseView::mouseMoveEvent(), RectangleView::mouseMoveEvent(), and onSizeHandleElementRequest().

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

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