/**
* This will setup the class ready to display the line correctly.
* This MUST be called before you can use this class.
*/
void LinePath::setAssociation(AssociationWidget * association)
{
if( !association )
return;
cleanup();
m_pAssociation = association;
createHeadLines();
createSubsetSymbol();
if( getAssocType() == Uml::at_Coll_Message )
setupParallelLine();
UMLView * view = (UMLView *)m_pAssociation -> parent();
connect( view, SIGNAL( sigColorChanged( Uml::IDType ) ), this, SLOT( slotLineColorChanged( Uml::IDType ) ) );
connect( view, SIGNAL( sigLineWidthChanged( Uml::IDType ) ), this, SLOT( slotLineWidthChanged( Uml::IDType ) ) );
}
/**
* This will setup the class ready to display the line correctly.
* This MUST be called before you can use this class.
*/
void AssociationLine::setAssociation(AssociationWidget * association)
{
if( !association )
return;
cleanup();
m_pAssociation = association;
createHeadLines();
createSubsetSymbol();
if( getAssocType() == Uml::AssociationType::Coll_Message )
setupParallelLine();
UMLView * view = (UMLView *)m_pAssociation->parent();
if (view) {
connect(view, SIGNAL(sigColorChanged(Uml::IDType)), this, SLOT(slotLineColorChanged(Uml::IDType)));
connect(view, SIGNAL(sigLineWidthChanged(Uml::IDType)), this, SLOT(slotLineWidthChanged(Uml::IDType)));
}
else {
uWarning() << "Parent is null. Can not connect SIGNAL/SLOT.";
}
}
/**
* Sets the Association type.
*/
void LinePath::setAssocType( Uml::Association_Type type )
{
QList<Q3CanvasLine*>::Iterator it = m_LineList.begin();
QList<Q3CanvasLine*>::Iterator end = m_LineList.end();
for( ; it != end; ++it )
(*it) -> setPen( getPen() );
delete m_pClearPoly;
m_pClearPoly = 0;
if( type == Uml::at_Coll_Message ) {
setupParallelLine();
}
else {
createHeadLines();
createSubsetSymbol();
}
update();
}
/**
* Calls a group of methods to update the line. Used to save you calling multiple methods.
*/
void LinePath::update()
{
if (getAssocType() == Uml::at_Coll_Message) {
if (m_bParallelLineCreated) {
calculateParallelLine();
updateParallelLine();
} else
setupParallelLine();
} else if (m_bHeadCreated) {
calculateHead();
updateHead();
} else {
createHeadLines();
}
if ( m_bSubsetSymbolCreated ) {
updateSubsetSymbol();
} else {
createSubsetSymbol();
}
}
/**
* This method creates, deletes symbols and collaboration lines based on
* m_associationWidget->associationType().
*
* Call this method when associationType of m_associationWidget changes.
*/
void AssociationLine::reconstructSymbols()
{
switch( m_associationWidget->associationType() ) {
case Uml::AssociationType::State:
case Uml::AssociationType::Activity:
case Uml::AssociationType::Exception:
case Uml::AssociationType::UniAssociation:
case Uml::AssociationType::Dependency:
setStartSymbol(Symbol::None);
setEndSymbol(Symbol::OpenArrow);
removeSubsetSymbol();
removeCollaborationLine();
break;
case Uml::AssociationType::Relationship:
setStartSymbol(Symbol::None);
setEndSymbol(Symbol::CrowFeet);
removeSubsetSymbol();
removeCollaborationLine();
break;
case Uml::AssociationType::Generalization:
case Uml::AssociationType::Realization:
setStartSymbol(Symbol::None);
setEndSymbol(Symbol::ClosedArrow);
removeSubsetSymbol();
removeCollaborationLine();
break;
case Uml::AssociationType::Composition:
case Uml::AssociationType::Aggregation:
setStartSymbol(Symbol::Diamond);
setEndSymbol(Symbol::None);
removeSubsetSymbol();
removeCollaborationLine();
break;
case Uml::AssociationType::Containment:
setStartSymbol(Symbol::Circle);
setEndSymbol(Symbol::None);
removeSubsetSymbol();
removeCollaborationLine();
break;
case Uml::AssociationType::Child2Category:
setStartSymbol(Symbol::None);
setEndSymbol(Symbol::None);
createSubsetSymbol();
removeCollaborationLine();
break;
case Uml::AssociationType::Coll_Message_Synchronous:
case Uml::AssociationType::Coll_Message_Asynchronous:
case Uml::AssociationType::Coll_Message_Self:
setStartSymbol(Symbol::None);
setEndSymbol(Symbol::None);
removeSubsetSymbol();
createCollaborationLine();
break;
default:
break;
}
alignSymbols();
}
