pappso::TraceJs Class Reference

#include <tracejs.h>

Inheritance diagram for pappso::TraceJs:

Signals
void	sizeChangedSignal ()

Public Member Functions
Q_INVOKABLE	TraceJs (QObject *parent=nullptr)
Q_INVOKABLE	TraceJs (const Trace &trace, QObject *parent=nullptr)
TraceJs &	operator= (const TraceJs &)=delete
Q_INVOKABLE int	getSize () const
Q_INVOKABLE void	append (double x, double y)
Q_INVOKABLE void	append (const DataPointJs *data_point_js_p)
Q_INVOKABLE DataPointJs *	getPointAt (int index) const
Q_INVOKABLE QVariantList	getTrace () const
Q_INVOKABLE void	initialize (const QVariantList &js_points)
Q_INVOKABLE void	initialize (const QVariantMap &map)
Q_INVOKABLE std::size_t	initialize (const QVariantList &x_values, const QVariantList &y_values)
Q_INVOKABLE std::size_t	initialize (const QString &x_text, const QString &y_text)
Q_INVOKABLE std::size_t	initialize (const QString &space_sep_text)
Q_INVOKABLE std::size_t	initialize (const TraceJs &other)
Q_INVOKABLE QVariantList	xValues () const
Q_INVOKABLE QVariantList	yValues () const
Q_INVOKABLE QVariantMap	toMap () const
Q_INVOKABLE void	clear ()

Static Public Member Functions
static void	registerJsConstructor (QJSEngine *engine)

Properties
int	size

Private Attributes
Trace	m_trace

Detailed Description

Definition at line 26 of file tracejs.h.

Constructor & Destructor Documentation

TraceJs() [1/2]

pappso::TraceJs::TraceJs ( QObject * parent = nullptr )

explicit

Definition at line 9 of file tracejs.cpp.

                                : QObject(parent), m_trace()
{
}

References m_trace.

Referenced by getPointAt(), getTrace(), initialize(), and operator=().

TraceJs() [2/2]

pappso::TraceJs::TraceJs ( const Trace & trace, QObject * parent = nullptr )

explicit

Definition at line 13 of file tracejs.cpp.

                                                    : QObject(parent), m_trace(trace)
{
}

References m_trace.

Member Function Documentation

append() [1/2]

void pappso::TraceJs::append

(

const DataPointJs *

data_point_js_p

)

Definition at line 31 of file tracejs.cpp.

{
  if(data_point_js_p != nullptr)
    {
      m_trace.push_back(data_point_js_p->dataPoint());
      emit sizeChangedSignal();
    }
}

References pappso::DataPointJs::dataPoint(), m_trace, and sizeChangedSignal().

append() [2/2]

void pappso::TraceJs::append	(	double	x,
		double	y )

Definition at line 24 of file tracejs.cpp.

{
  m_trace.push_back(DataPoint(x, y));
  emit sizeChangedSignal();
}

References m_trace, sizeChangedSignal(), pappso::x, and pappso::y.

Referenced by operator=().

clear()

void pappso::TraceJs::clear

(

)

Definition at line 208 of file tracejs.cpp.

{
  m_trace.clear();
}

References m_trace.

Referenced by operator=().

getPointAt()

DataPointJs * pappso::TraceJs::getPointAt

(

int

index

)

const

Definition at line 41 of file tracejs.cpp.

{
  if(index < 0 || index >= static_cast<int>(m_trace.size()))
    {
      return nullptr;
    }
 
  // Simple version: create wrapper on the fly
  return new DataPointJs(m_trace[index], const_cast<TraceJs *>(this));
}

References TraceJs(), and m_trace.

Referenced by operator=().

getSize()

int pappso::TraceJs::getSize

(

)

const

Definition at line 18 of file tracejs.cpp.

{
  return m_trace.size();
}

References m_trace.

Referenced by operator=().

getTrace()

QVariantList pappso::TraceJs::getTrace

(

)

const

Definition at line 54 of file tracejs.cpp.

{
  QVariantList list;
 
  for(const DataPoint &data_point : m_trace)
    {
      DataPointJs *data_point_js_p = new DataPointJs(data_point, const_cast<TraceJs *>(this));
      list.append(QVariant::fromValue(data_point_js_p));
    }
 
  return list;
}

References TraceJs(), and m_trace.

Referenced by operator=().

initialize() [1/6]

size_t pappso::TraceJs::initialize

(

const QString &

space_sep_text

)

Definition at line 143 of file tracejs.cpp.

{
  m_trace.initialize(space_sep_text);
 
  emit sizeChangedSignal();
 
  return m_trace.size();
}

References m_trace, and sizeChangedSignal().

initialize() [2/6]

size_t pappso::TraceJs::initialize	(	const QString &	x_text,
		const QString &	y_text )

Definition at line 133 of file tracejs.cpp.

{
  m_trace.initialize(x_text, y_text);
 
  emit sizeChangedSignal();
 
  return m_trace.size();
}

References m_trace, and sizeChangedSignal().

initialize() [3/6]

void pappso::TraceJs::initialize

(

const QVariantList &

js_points

)

Definition at line 68 of file tracejs.cpp.

{
  m_trace.clear();
 
  for(const QVariant &variant : js_points)
    {
      QObject *obj = variant.value<QObject *>();
 
      // The cast returns nullptr if the variant did not
      // convert to DataPointJs.
      if(auto data_point_js = qobject_cast<DataPointJs *>(obj))
        {
          DataPoint data_point = data_point_js->dataPoint();
          m_trace.push_back(data_point); // Extract the internal DataPoint
        }
      else
        {
          qWarning() << "Failed initializing Trace because list member is not a DataPointJs object:"
                     << obj;
        }
    }
 
  emit sizeChangedSignal();
}

References m_trace, and sizeChangedSignal().

Referenced by operator=().

initialize() [4/6]

std::size_t pappso::TraceJs::initialize	(	const QVariantList &	x_values,
		const QVariantList &	y_values )

Definition at line 116 of file tracejs.cpp.

{
  if(x_values.size() != y_values.size())
    qFatal() << "The two containers must have the same size.";
 
  m_trace.clear();
  m_trace.reserve(x_values.size());
 
  for(int iter = 0; iter < x_values.size(); ++iter)
    m_trace.push_back(DataPoint(x_values.at(iter).toDouble(), y_values.at(iter).toDouble()));
 
  emit sizeChangedSignal();
 
  return m_trace.size();
}

References m_trace, and sizeChangedSignal().

initialize() [5/6]

void pappso::TraceJs::initialize

(

const QVariantMap &

map

)

Definition at line 95 of file tracejs.cpp.

{
  m_trace.clear();
  m_trace.reserve(map.size());
 
  for(auto it = map.constBegin(); it != map.constEnd(); ++it)
    {
      bool key_ok, value_ok;
      double key   = it.key().toDouble(&key_ok);
      double value = it.value().toDouble(&value_ok);
 
      if(key_ok && value_ok)
        m_trace.emplace_back(key, value);
      else
        qWarning() << "Skipping invalid map entry at key:" << it.key();
    }
 
  emit sizeChangedSignal();
}

References m_trace, and sizeChangedSignal().

initialize() [6/6]

size_t pappso::TraceJs::initialize

(

const TraceJs &

other

)

Definition at line 153 of file tracejs.cpp.

{
  m_trace.clear();
  m_trace.reserve(other.m_trace.size());
  std::copy(other.m_trace.begin(), other.m_trace.end(), std::back_inserter(m_trace));
 
  emit sizeChangedSignal();
 
  return m_trace.size();
}

References TraceJs(), m_trace, and sizeChangedSignal().

operator=()

TraceJs & pappso::TraceJs::operator= ( const TraceJs & )

delete

References TraceJs(), append(), clear(), getPointAt(), getSize(), getTrace(), initialize(), registerJsConstructor(), toMap(), xValues(), and yValues().

registerJsConstructor()

void pappso::TraceJs::registerJsConstructor ( QJSEngine * engine )

static

Definition at line 214 of file tracejs.cpp.

{
  if(!engine)
    {
      qWarning() << "Cannot register class: engine is null";
      return;
    }
 
  // Register the meta object as a constructor
  QJSValue jsMetaObject = engine->newQMetaObject(&TraceJs::staticMetaObject);
  engine->globalObject().setProperty("Trace", jsMetaObject);
}

Referenced by operator=().

sizeChangedSignal

void pappso::TraceJs::sizeChangedSignal ( )

signal

Referenced by append(), append(), initialize(), initialize(), initialize(), initialize(), initialize(), and initialize().

toMap()

QVariantMap pappso::TraceJs::toMap

(

)

const

Definition at line 197 of file tracejs.cpp.

{
  QVariantMap map;
  for(const auto &point : m_trace)
    {
      map.insert(QString::number(point.x), point.y);
    }
  return map;
}

References m_trace.

Referenced by operator=().

xValues()

QVariantList pappso::TraceJs::xValues

(

)

const

Definition at line 169 of file tracejs.cpp.

{
  QVariantList list;
  list.reserve(m_trace.size());
 
  for(const DataPoint &point : m_trace)
    {
      list.append(QVariant::fromValue(point.x));
    }
 
  return list;
}

References m_trace.

Referenced by operator=().

yValues()

QVariantList pappso::TraceJs::yValues

(

)

const

Definition at line 183 of file tracejs.cpp.

{
  QVariantList list;
  list.reserve(m_trace.size());
 
  for(const DataPoint &point : m_trace)
    {
      list.append(QVariant::fromValue(point.y));
    }
 
  return list;
}

References m_trace.

Referenced by operator=().

Member Data Documentation

m_trace

Trace pappso::TraceJs::m_trace

private

Definition at line 69 of file tracejs.h.

Referenced by TraceJs(), TraceJs(), append(), append(), clear(), getPointAt(), getSize(), getTrace(), initialize(), initialize(), initialize(), initialize(), initialize(), initialize(), toMap(), xValues(), and yValues().

Property Documentation

size

int pappso::TraceJs::size

read

Definition at line 29 of file tracejs.h.

---

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

• pappsomspp/core/js_qml/tracejs.h
• pappsomspp/core/js_qml/tracejs.cpp