void WHtreeProcesser::collapseNode( const size_t thisNodeID, const dist_t coefficient, HTPROC_COLLAPSE collapseMode )
{
if( thisNodeID > m_tree.getRoot().getID() )
{
throw std::runtime_error( "ERROR @ collapseNode::flattenBranch(): nodeID is out of boundaries" );
}
const WHnode& thisNode( m_tree.getNode( thisNodeID ) );
dist_t upperLevel( thisNode.getDistLevel() );
std::list< nodeID_t > worklist;
worklist.push_back( thisNode.getFullID() );
while( !worklist.empty() )
{
WHnode* currentNode( m_tree.fetchNode( worklist.front() ) );
worklist.pop_front();
std::vector< nodeID_t > currentKids( currentNode->getChildren() );
dist_t parentLevel( currentNode->getDistLevel() );
for( std::vector< nodeID_t >::iterator kidIter( currentKids.begin() ); kidIter != currentKids.end(); ++kidIter )
{
if( m_tree.getNode( *kidIter ).isNode() )
{
dist_t kidLevel( m_tree.getNode( *kidIter ).getDistLevel() );
bool doCollapse( false );
switch( collapseMode )
{
case HTPR_C_CONSTANT:
doCollapse = ( ( parentLevel - kidLevel ) < coefficient );
break;
case HTPR_C_LINEAR:
doCollapse = ( ( parentLevel - kidLevel ) < ( kidLevel * coefficient ) );
break;
case HTPR_C_SQ:
doCollapse = ( ( parentLevel - kidLevel ) < ( kidLevel * kidLevel * coefficient ) );
break;
default:
break;
}
if( doCollapse )
{
worklist.push_back( *kidIter );
}
}
}
currentNode->setDistLevel( upperLevel );
}
return;
} // end collapseNodeLinear() -------------------------------------------------------------------------------------
void CFileBrowserEngine::GetCurrentItemsL(CDesCArray* aItems)
{
__LOGSTR_TOFILE("CFileBrowserEngine::GetCurrentItemsL() begins");
aItems->Reset();
// If the current directory is not the first one,
// add '...' entry as the first element of the listbox
if (iCurrentDirectory.Length() > 0)
{
TFileName upperLevel(KNullDesC);
upperLevel.Format(KStringUp, 2);
aItems->AppendL(upperLevel);
}
// Retrieve folders names
TFileName folderName(KNullDesC);
if (iCurrentDirectory.Length() == 0)
{
// Get CCoeEnv instance
CEikonEnv* eikonEnv = CEikonEnv::Static();
HBufC* stringHolder1 = StringLoader::LoadL(R_FILEBROWSER_PHONEMEMORY, eikonEnv );
HBufC* stringHolder2 = StringLoader::LoadL(R_FILEBROWSER_CARDMEMORY, eikonEnv );
for (TInt i = 0; i < iCurrentFolders.Count(); i++)
{
// As icon we use folder icon (index 0)
if ( i == 0)
{
TFileName fileName = iCurrentFolders[i].iName;
fileName.Append(*stringHolder1);
folderName.Format(KStringIcon, 3, &fileName);
}
else
{
TFileName fileName = iCurrentFolders[i].iName;
fileName.Append(*stringHolder2);
folderName.Format(KStringIcon, 4, &fileName);
}
aItems->AppendL(folderName);
}
delete stringHolder2;
stringHolder2 = NULL;
delete stringHolder1;
stringHolder1 = NULL;
}
else
{
for (TInt i = 0; i < iCurrentFolders.Count(); i++)
{
// As icon we use folder icon (index 0)
folderName.Format(KStringIcon, 0, &iCurrentFolders[i].iName);
aItems->AppendL(folderName);
}
}
// Retrieve files names
TFileName fileName(KNullDesC);
for (TInt i = 0; i < iCurrentFiles.Count(); i++)
{
// As folder we use file icon (index 1)
fileName.Format(KStringIcon, 1, &iCurrentFiles[i].iName);
aItems->AppendL(fileName);
}
__LOGSTR_TOFILE("CFileBrowserEngine::GetCurrentItemsL() ends");
}