pappso::TraceJs Class Reference

#include <tracejs.h>

Inheritance diagram for pappso::TraceJs:

Signals
void	countChangedSignal ()

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	count () const
Q_INVOKABLE int	getCount () 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	count

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 10 of file tracejs.cpp.

                                : QObject(parent), m_trace()
{
}

TraceJs() [2/2]

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

explicit

Definition at line 14 of file tracejs.cpp.

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

Member Function Documentation

append() [1/2]

void pappso::TraceJs::append

(

const DataPointJs *

data_point_js_p

)

Definition at line 40 of file tracejs.cpp.

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

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

append() [2/2]

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

Definition at line 33 of file tracejs.cpp.

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

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

clear()

void pappso::TraceJs::clear

(

)

Definition at line 219 of file tracejs.cpp.

{
  m_trace.clear();
}

References m_trace.

count()

int pappso::TraceJs::count

(

)

const

Definition at line 27 of file tracejs.cpp.

{
  return getCount();
}

References getCount().

countChangedSignal

void pappso::TraceJs::countChangedSignal ( )

signal

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

getCount()

int pappso::TraceJs::getCount

(

)

const

Definition at line 20 of file tracejs.cpp.

{
  return static_cast<int>(m_trace.size());
}

References m_trace.

Referenced by count().

getPointAt()

DataPointJs * pappso::TraceJs::getPointAt

(

int

index

)

const

Definition at line 50 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 m_trace.

getTrace()

QVariantList pappso::TraceJs::getTrace

(

)

const

Definition at line 63 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 m_trace.

initialize() [1/6]

size_t pappso::TraceJs::initialize

(

const QString &

space_sep_text

)

Definition at line 152 of file tracejs.cpp.

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

References countChangedSignal(), pappso::Trace::initialize(), and m_trace.

initialize() [2/6]

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

Definition at line 142 of file tracejs.cpp.

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

References countChangedSignal(), pappso::Trace::initialize(), and m_trace.

initialize() [3/6]

void pappso::TraceJs::initialize

(

const QVariantList &

js_points

)

Definition at line 77 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 countChangedSignal();
}

References countChangedSignal(), and m_trace.

initialize() [4/6]

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

Definition at line 125 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 countChangedSignal();
 
  return m_trace.size();
}

References countChangedSignal(), and m_trace.

initialize() [5/6]

void pappso::TraceJs::initialize

(

const QVariantMap &

map

)

Definition at line 104 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 countChangedSignal();
}

References countChangedSignal(), and m_trace.

initialize() [6/6]

size_t pappso::TraceJs::initialize

(

const TraceJs &

other

)

Definition at line 162 of file tracejs.cpp.

{
  m_trace.clear();
  m_trace.reserve(other.m_trace.size());
 
  for(const DataPoint &dp : other.m_trace)
    m_trace.emplace_back(dp);
 
  emit countChangedSignal();
 
  return m_trace.size();
}

References countChangedSignal(), and m_trace.

operator=()

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

delete

registerJsConstructor()

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

static

Definition at line 225 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);
}

toMap()

QVariantMap pappso::TraceJs::toMap

(

)

const

Definition at line 208 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.

xValues()

QVariantList pappso::TraceJs::xValues

(

)

const

Definition at line 180 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 pappso::Trace::append(), and m_trace.

yValues()

QVariantList pappso::TraceJs::yValues

(

)

const

Definition at line 194 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.

Member Data Documentation

m_trace

Trace pappso::TraceJs::m_trace

private

Definition at line 70 of file tracejs.h.

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

Property Documentation

count

int pappso::TraceJs::count

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