VarTree::VarTree( intf_thread_t *pIntf )
: Variable( pIntf ), m_pParent( NULL ), m_id( 0 ),
m_readonly( false ), m_selected( false ),
m_playing( false ), m_expanded( false ),
m_flat( false ), m_dontMove( false )
{
// Create the position variable
m_cPosition = VariablePtr( new VarPercent( pIntf ) );
getPositionVar().set( 1.0 );
getPositionVar().addObserver( this );
}
VarTree::VarTree( const VarTree& v )
: Variable( v.getIntf() ),
m_children( v.m_children), m_pParent( v.m_pParent ),
m_id( v.m_id ), m_cString( v.m_cString ),
m_readonly( v.m_readonly ), m_selected( v.m_selected ),
m_playing( v.m_playing ), m_expanded( v.m_expanded ),
m_flat( false ), m_dontMove( false )
{
// Create the position variable
m_cPosition = VariablePtr( new VarPercent( getIntf() ) );
getPositionVar().set( 1.0 );
getPositionVar().addObserver( this );
}
VarTree::VarTree( intf_thread_t *pIntf, VarTree *pParent, int id,
const UStringPtr &rcString, bool selected, bool playing,
bool expanded, bool readonly )
: Variable( pIntf ), m_pParent( pParent ),
m_id( id ), m_cString( rcString ),
m_readonly( readonly ), m_selected( selected ),
m_playing( playing ), m_expanded( expanded ),
m_flat( false ), m_dontMove( false )
{
// Create the position variable
m_cPosition = VariablePtr( new VarPercent( pIntf ) );
getPositionVar().set( 1.0 );
getPositionVar().addObserver( this );
}
void VarTree::setSliderFromItem( const Iterator& it )
{
VarPercent &rVarPos = getPositionVar();
int indexMax = m_flat ? (countLeafs() - 1)
: (visibleItems() - 1);
int index = getIndex( it );
double percentage = (1.0 - (double)index/(double)indexMax);
m_dontMove = true;
rVarPos.set( (float)percentage );
m_dontMove = false;
}
VarTree::Iterator VarTree::getItemFromSlider()
{
// a simple (int)(...) causes rounding errors !
#ifdef _MSC_VER
# define lrint (int)
#endif
VarPercent &rVarPos = getPositionVar();
double percentage = rVarPos.get();
int indexMax = m_flat ? (countLeafs() - 1)
: (visibleItems() - 1);
int index = lrint( (1.0 - percentage)*(double)indexMax );
Iterator it_first = m_flat ? getLeaf( index + 1 )
: getVisibleItem( index + 1 );
return it_first;
}
Playtree::~Playtree()
{
getPositionVar().delObserver( this );
}
Playtree::Playtree( intf_thread_t *pIntf )
: VarTree( pIntf ), m_pPlaylist( pIntf->p_sys->p_playlist )
{
getPositionVar().addObserver( this );
buildTree();
}
VarList::VarList( intf_thread_t *pIntf ): Variable( pIntf )
{
// Create the position variable
m_cPosition = VariablePtr( new VarPercent( pIntf ) );
getPositionVar().set( 1.0 );
}
VarTree::~VarTree()
{
getPositionVar().delObserver( this );
}
