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////////////////////////////////////////////////////////////////////////////////
/*! @file ExpressionNode.cpp Class sExpressionNode.
- Part of RANet - Research Assistant Net Library.
- Copyright(C) 2014-2015, Viktor E. Bursian, St.Petersburg, Russia.
Viktor_dot_Bursian_at_mail_dot_ioffe_dot_ru
*///////////////////////////////////////////////////////////////////////////////
#include "ExpressionNode.h"
#include "NetMath.h"
#include "Functions.h"
namespace RA {
//------------------------------------------------------------------------------
//---------------------------------------------------------- sExpressionNode ---
sExpressionNode::~sExpressionNode ()
{
if( TheResult ){ delete TheResult; TheResult=NULL; };
}
sExpressionNode::sExpressionNode (sString source)
:sFolderNode(source)
,sGraphObject()
,TheResult(NULL)
{
}
sExpressionNode::sExpressionNode (std::istream & a_stream
,rcsVersion version)
:sFolderNode(a_stream,version)
,sGraphObject(a_stream,version)
,TheResult(NULL)
{
bool ValueIsStored;
a_stream.READ_INTO(ValueIsStored);
}
void sExpressionNode::Store (std::ostream & a_stream) const
{
sFolderNode::Store(a_stream);
sGraphObject::Store(a_stream);
bool ValueIsStored = false;
a_stream.WRITE_FROM(ValueIsStored);
}
psMathValue sExpressionNode::MathValue ()
{
if( Result() )
return TheResult->Replica();
return NULL;
}
sString sExpressionNode::Text (eTextFormat F
,eTextDetalization D)
{
sString T;
T = sFolderNode::Text(F,D);
if( ! Result() ){
if( ! Docket().Empty() ){
if( F == HTML ) T += "<font color=red>";
T += " = ERR!!!";
if( F == HTML ) T += "</font>";
}
}else{
sString R(TheResult->Text(F,D));
if( sMath::Valid(TheResult) ){
if( ! R.Empty() )
(T += " = ") += R;
}else{
psMathError E = psMathError(TheResult);
T = Docket().Substr(0,E->Cursor1)
+ "<font color=red>"
+ Docket().Substr(E->Cursor1,E->Cursor2-E->Cursor1)
+ "</font>"
+ Docket().Tail(E->Cursor2)
+ "<font color=red>"
+ " = ERROR: " + E->Message
+ "</font>";
}
}
return T;
}
void sExpressionNode::SetDocket (rcsString new_docket)
{
if( TheResult ){ delete TheResult; TheResult=NULL; }
sFolderNode::SetDocket(new_docket);
}
sString sExpressionNode::Hint ()
{
return Text(Plain,Casual);
}
//pcsAppearance sExpressionNode::Appearance () const
//{
// QMutexLocker BodyLocker(&BodyMutex);
// if( TheResult ){
// psFunction F = dynamic_cast<psFunction>(TheResult);
// if( F )
// return F->Appearance();
// }
// return NULL;
//}
void sExpressionNode::SetAppearance (psAppearance appearance)
{
QMutexLocker BodyLocker(&BodyMutex);
sGraphObject::SetAppearance(appearance);
if( TheResult ){
psFunction F = dynamic_cast<psFunction>(TheResult);
if( F ){
F->SetAppearance(new sCurveAppearance( * dynamic_cast<psCurveAppearance>
(appearance) ) );
}
}
MarkAsEdited();
}
psMathValue sExpressionNode::Result ()
{
if( Docket().Empty() ){
if( TheAppearance ){ delete TheAppearance; TheAppearance=NULL; }
if( TheResult ){ delete TheResult; TheResult=NULL; }
}else{
if( ! TheResult ){
sNetMath E(sNodePtr(this),Docket());
TheResult = E.Calculate();
if( psFunction F = dynamic_cast<psFunction>(TheResult) ){
if( dynamic_cast<psCurveAppearance>(TheAppearance) ){
F->SetAppearance(new sCurveAppearance( * dynamic_cast
<psCurveAppearance>
(TheAppearance) ));
}
}
}
}
return TheResult;
}
void sExpressionNode::CopyFrom (psNode other)
{
sFolderNode::CopyFrom(other);
psExpressionNode Other = dynamic_cast<psExpressionNode>(other);
if( Other ){
// TheStartTime = Other->TheStartTime;
// TheDuration = Other->TheDuration;
// MarkAsEdited();
}
}
sBoundaries sExpressionNode::Boundaries ()
{
psFunction F = dynamic_cast<psFunction>(Result());
if( F )
return F->Boundaries();
return sGraphObject::Boundaries();
}
sBoundaries sExpressionNode::Boundaries () const
{
psFunction F = dynamic_cast<psFunction>(TheResult);
if( F )
return F->Boundaries();
return sGraphObject::Boundaries();
}
int sExpressionNode::Distance (rcsIntPoint position
,rcsScales scales )
{
psFunction F = dynamic_cast<psFunction>(Result());
if( F )
return F->Distance(position,scales);
return sGraphObject::Distance(position,scales);
}
//------------------------------------------------------------------------------
} //namespace RA
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