Digitizing state for creating multiple Points along a highlighted segment. More...

#include <DigitizeStateSegment.h>

Inheritance diagram for DigitizeStateSegment:

Collaboration diagram for DigitizeStateSegment:

Public Slots
void	slotMouseClickOnSegment (QPointF)
	Receive signal from Segment that has been clicked on. The CmdMediator from the begin method will be used. More...

Public Member Functions
	DigitizeStateSegment (DigitizeStateContext &context)
	Single constructor. More...

virtual	~DigitizeStateSegment ()

virtual QString	activeCurve () const
	Name of the active Curve. This can include AXIS_CURVE_NAME. More...

virtual void	begin (CmdMediator *cmdMediator, DigitizeState previousState)
	Method that is called at the exact moment a state is entered. More...

virtual bool	canPaste (const Transformation &transformation, const QSize &viewSize) const
	Return true if there is good data in the clipboard for pasting, and that is compatible with the current state. More...

virtual QCursor	cursor (CmdMediator *cmdMediator) const
	Returns the state-specific cursor shape. More...

virtual void	end ()
	Method that is called at the exact moment a state is exited. Typically called just before begin for the next state. More...

virtual void	handleContextMenuEventAxis (CmdMediator *cmdMediator, const QString &pointIdentifier)
	Handle a right click, on an axis point, that was intercepted earlier. More...

virtual void	handleContextMenuEventGraph (CmdMediator *cmdMediator, const QStringList &pointIdentifiers)
	Handle a right click, on a graph point, that was intercepted earlier. More...

virtual void	handleCurveChange (CmdMediator *cmdMediator)
	Handle the selection of a new curve. At a minimum, DigitizeStateSegment will generate a new set of Segments. More...

virtual void	handleKeyPress (CmdMediator *cmdMediator, Qt::Key key, bool atLeastOneSelectedItem)
	Handle a key press that was intercepted earlier. More...

virtual void	handleMouseMove (CmdMediator *cmdMediator, QPointF posScreen)
	Handle a mouse move. This is part of an experiment to see if augmenting the cursor in Point Match mode is worthwhile. More...

virtual void	handleMousePress (CmdMediator *cmdMediator, QPointF posScreen)
	Handle a mouse press that was intercepted earlier. More...

virtual void	handleMouseRelease (CmdMediator *cmdMediator, QPointF posScreen)
	Handle a mouse release that was intercepted earlier. More...

virtual QString	state () const
	State name for debugging. More...

virtual void	updateAfterPointAddition ()
	Update graphics attributes after possible new points. This is useful for highlight opacity. More...

virtual void	updateModelDigitizeCurve (CmdMediator *cmdMediator, const DocumentModelDigitizeCurve &modelDigitizeCurve)
	Update the digitize curve settings. More...

virtual void	updateModelSegments (const DocumentModelSegments &modelSegments)
	Update the segments given the new settings. More...

Public Member Functions inherited from DigitizeStateAbstractBase
	DigitizeStateAbstractBase (DigitizeStateContext &context)
	Single constructor. More...

virtual	~DigitizeStateAbstractBase ()

DigitizeStateContext &	context ()
	Reference to the DigitizeStateContext that contains all the DigitizeStateAbstractBase subclasses, without const. More...

const DigitizeStateContext &	context () const
	Reference to the DigitizeStateContext that contains all the DigitizeStateAbstractBase subclasses, without const. More...

void	setCursor (CmdMediator *cmdMediator)
	Update the cursor according to the current state. More...

Additional Inherited Members
Protected Member Functions inherited from DigitizeStateAbstractBase
bool	canPasteProtected (const Transformation &transformation, const QSize &viewSize) const
	Protected version of canPaste method. Some, but not all, leaf classes use this method. More...

Detailed Description

Digitizing state for creating multiple Points along a highlighted segment.

Definition at line 16 of file DigitizeStateSegment.h.

Constructor & Destructor Documentation

◆ DigitizeStateSegment()

DigitizeStateSegment::DigitizeStateSegment ( DigitizeStateContext & context )

Single constructor.

Definition at line 22 of file DigitizeStateSegment.cpp.

                                                                          :
   DigitizeStateAbstractBase (context)
 {

◆ ~DigitizeStateSegment()

DigitizeStateSegment::~DigitizeStateSegment ( )

virtual

Definition at line 27 of file DigitizeStateSegment.cpp.

29 {

Member Function Documentation

◆ activeCurve()

QString DigitizeStateSegment::activeCurve ( ) const

virtual

Name of the active Curve. This can include AXIS_CURVE_NAME.

Implements DigitizeStateAbstractBase.

Definition at line 31 of file DigitizeStateSegment.cpp.

33 {

34 return context().mainWindow().selectedGraphCurve();

◆ begin()

void DigitizeStateSegment::begin	(	CmdMediator *	cmdMediator,
		DigitizeState	previousState
	)

virtual

Method that is called at the exact moment a state is entered.

Typically called just after end for the previous state. The previousState value is used by DigitizeStateColorPicker to return to the previous state

Implements DigitizeStateAbstractBase.

Definition at line 36 of file DigitizeStateSegment.cpp.

 {
   LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStateSegment::begin";
  
   m_cmdMediator = cmdMediator; // Save for slotMouseClickOnSegment
  
   setCursor(cmdMediator);
   context().setDragMode(QGraphicsView::NoDrag);
   context().mainWindow().updateViewsOfSettings(activeCurve ());
  
   handleCurveChange(cmdMediator);

◆ canPaste()

bool DigitizeStateSegment::canPaste	(	const Transformation &	transformation,
		const QSize &	viewSize
	)		const

virtual

Return true if there is good data in the clipboard for pasting, and that is compatible with the current state.

Implements DigitizeStateAbstractBase.

Definition at line 50 of file DigitizeStateSegment.cpp.

 {
   return canPasteProtected (transformation,
                             viewSize);

◆ cursor()

QCursor DigitizeStateSegment::cursor ( CmdMediator * cmdMediator ) const

virtual

Returns the state-specific cursor shape.

Implements DigitizeStateAbstractBase.

Definition at line 57 of file DigitizeStateSegment.cpp.

 {
   LOG4CPP_DEBUG_S ((*mainCat)) << "DigitizeStateSegment::cursor";
  
   return QCursor (Qt::ArrowCursor);

◆ end()

void DigitizeStateSegment::end ( )

virtual

Method that is called at the exact moment a state is exited. Typically called just before begin for the next state.

Implements DigitizeStateAbstractBase.

Definition at line 64 of file DigitizeStateSegment.cpp.

 {
   LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStateSegment::end";
  
   GraphicsScene &scene = context().mainWindow().scene();
   SegmentFactory segmentFactory (dynamic_cast<QGraphicsScene &> (scene),
                                  context().isGnuplot());
  
   segmentFactory.clearSegments(m_segments);

◆ handleContextMenuEventAxis()

void DigitizeStateSegment::handleContextMenuEventAxis	(	CmdMediator *	cmdMediator,
		const QString &	pointIdentifier
	)

virtual

Handle a right click, on an axis point, that was intercepted earlier.

Implements DigitizeStateAbstractBase.

Definition at line 75 of file DigitizeStateSegment.cpp.

 {
   LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStateSegment::handleContextMenuEventAxis "
                               << " point=" << pointIdentifier.toLatin1 ().data ();

◆ handleContextMenuEventGraph()

void DigitizeStateSegment::handleContextMenuEventGraph	(	CmdMediator *	cmdMediator,
		const QStringList &	pointIdentifiers
	)

virtual

Handle a right click, on a graph point, that was intercepted earlier.

Implements DigitizeStateAbstractBase.

Definition at line 82 of file DigitizeStateSegment.cpp.

 {
   LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStateSegment ::handleContextMenuEventGraph "
                               << "points=" << pointIdentifiers.join(",").toLatin1 ().data ();

◆ handleCurveChange()

void DigitizeStateSegment::handleCurveChange ( CmdMediator * cmdMediator )

virtual

Handle the selection of a new curve. At a minimum, DigitizeStateSegment will generate a new set of Segments.

Implements DigitizeStateAbstractBase.

Definition at line 89 of file DigitizeStateSegment.cpp.

 {
   LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStateSegment::handleCurveChange";
  
   QImage img = context().mainWindow().imageFiltered();
  
   GraphicsScene &scene = context().mainWindow().scene();
   SegmentFactory segmentFactory (dynamic_cast<QGraphicsScene &> (scene),
                                  context().isGnuplot());
  
   segmentFactory.clearSegments (m_segments);
  
   // Create new segments
   segmentFactory.makeSegments (img,
                                cmdMediator->document().modelSegments(),
                                m_segments);
  
   // Connect signals of the new segments
   QList<Segment*>::iterator itr;
   for (itr = m_segments.begin(); itr != m_segments.end(); itr++) {
     Segment *segment = *itr;
  
     LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStateSegment::handleCurveChange"
                                 << " lines=" << segment->lineCount();
  
     connect (segment, SIGNAL (signalMouseClickOnSegment (QPointF)), this, SLOT (slotMouseClickOnSegment (QPointF)));
   }

◆ handleKeyPress()

void DigitizeStateSegment::handleKeyPress	(	CmdMediator *	cmdMediator,
		Qt::Key	key,
		bool	atLeastOneSelectedItem
	)

virtual

Handle a key press that was intercepted earlier.

Implements DigitizeStateAbstractBase.

Definition at line 118 of file DigitizeStateSegment.cpp.

 {
   LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStateSegment::handleKeyPress"
                               << " key=" << QKeySequence (key).toString ().toLatin1 ().data ();

◆ handleMouseMove()

void DigitizeStateSegment::handleMouseMove	(	CmdMediator *	cmdMediator,
		QPointF	posScreen
	)

virtual

Handle a mouse move. This is part of an experiment to see if augmenting the cursor in Point Match mode is worthwhile.

Implements DigitizeStateAbstractBase.

Definition at line 126 of file DigitizeStateSegment.cpp.

129 {

130 // LOG4CPP_DEBUG_S ((*mainCat)) << "DigitizeStateSegment::handleMouseMove";

◆ handleMousePress()

void DigitizeStateSegment::handleMousePress	(	CmdMediator *	cmdMediator,
		QPointF	pos
	)

virtual

Handle a mouse press that was intercepted earlier.

Implements DigitizeStateAbstractBase.

Definition at line 132 of file DigitizeStateSegment.cpp.

135 {

136 LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStateSegment::handleMousePress";

◆ handleMouseRelease()

void DigitizeStateSegment::handleMouseRelease	(	CmdMediator *	cmdMediator,
		QPointF	pos
	)

virtual

Handle a mouse release that was intercepted earlier.

Implements DigitizeStateAbstractBase.

Definition at line 138 of file DigitizeStateSegment.cpp.

141 {

142 LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStateSegment::handleMouseRelease";

◆ slotMouseClickOnSegment

void DigitizeStateSegment::slotMouseClickOnSegment ( QPointF posSegmentStart )

slot

Receive signal from Segment that has been clicked on. The CmdMediator from the begin method will be used.

Definition at line 164 of file DigitizeStateSegment.cpp.

 {
   LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStateSegment::slotMouseClickOnSegment";
  
   Segment *segment = segmentFromSegmentStart (posSegmentStart);
  
   // Create single-entry list that is expected by SegmentFactory
   QList<Segment*> segments;
   segments.push_back (segment);
  
   // Generate point coordinates. Nothing is created in the GraphicsScene at this point
   GraphicsScene &scene = context().mainWindow().scene();
   SegmentFactory segmentFactory (dynamic_cast<QGraphicsScene &> (scene),
                                  context().isGnuplot());
  
   QList<QPoint> points = segmentFactory.fillPoints (m_cmdMediator->document().modelSegments(),
                                                     segments);
  
   // Create one ordinal for each point
   OrdinalGenerator ordinalGenerator;
   Document &document = m_cmdMediator->document ();
   const Transformation &transformation = context ().mainWindow ().transformation();
   QList<double> ordinals;
   QList<QPoint>::iterator itr;
   for (itr = points.begin(); itr != points.end(); itr++) {
  
     QPoint point = *itr;
     ordinals << ordinalGenerator.generateCurvePointOrdinal(document,
                                                            transformation,
                                                            point,
                                                            activeCurve ());
   }
  
   // Create command to add points
   QUndoCommand *cmd = new CmdAddPointsGraph (context ().mainWindow(),
                                              document,
                                              context ().mainWindow().selectedGraphCurve(),
                                              points,
                                              ordinals);
   context().appendNewCmd(m_cmdMediator,
                          cmd);

◆ state()

QString DigitizeStateSegment::state ( ) const

virtual

State name for debugging.

Implements DigitizeStateAbstractBase.

Definition at line 207 of file DigitizeStateSegment.cpp.

209 {

210 return "DigitizeStateSegment";

◆ updateAfterPointAddition()

void DigitizeStateSegment::updateAfterPointAddition ( )

virtual

Update graphics attributes after possible new points. This is useful for highlight opacity.

Implements DigitizeStateAbstractBase.

Definition at line 212 of file DigitizeStateSegment.cpp.

214 {

215 LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStateSegment::updateAfterPointAddition";

◆ updateModelDigitizeCurve()

void DigitizeStateSegment::updateModelDigitizeCurve	(	CmdMediator *	cmdMediator,
		const DocumentModelDigitizeCurve &	modelDigitizeCurve
	)

virtual

Update the digitize curve settings.

Implements DigitizeStateAbstractBase.

Definition at line 217 of file DigitizeStateSegment.cpp.

220 {

221 LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStateSegment::updateModelDigitizeCurve";

◆ updateModelSegments()

void DigitizeStateSegment::updateModelSegments ( const DocumentModelSegments & modelSegments )

virtual

Update the segments given the new settings.

Implements DigitizeStateAbstractBase.

Definition at line 223 of file DigitizeStateSegment.cpp.

 {
   LOG4CPP_INFO_S ((*mainCat)) << "DigitizeStateSegment::updateModelSegments";
  
   QList<Segment*>::const_iterator itr;
   for (itr = m_segments.begin(); itr != m_segments.end(); itr++) {
     Segment *segment = *itr;
  
     segment->updateModelSegment (modelSegments);
   }

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

DigitizeState/DigitizeStateSegment.h
DigitizeState/DigitizeStateSegment.cpp

Public Slots

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ DigitizeStateSegment()

◆ ~DigitizeStateSegment()

Member Function Documentation

◆ activeCurve()

◆ begin()

◆ canPaste()

◆ cursor()

◆ end()

◆ handleContextMenuEventAxis()

◆ handleContextMenuEventGraph()

◆ handleCurveChange()

◆ handleKeyPress()

◆ handleMouseMove()

◆ handleMousePress()

◆ handleMouseRelease()

◆ slotMouseClickOnSegment

◆ state()

◆ updateAfterPointAddition()

◆ updateModelDigitizeCurve()

◆ updateModelSegments()