-#include "wx/vector.h"
-
-struct WXDLLIMPEXP_BASE wxClientDataDictionaryPair
-{
- wxClientDataDictionaryPair( size_t idx ) : index( idx ), data( 0 ) { }
-
- size_t index;
- wxClientData* data;
-};
-
-// this class is used internally to maintain the association between items
-// of (some subclasses of) wxControlWithItems and their client data
-// NOTE: this class does not keep track of whether it contains
-// wxClientData or void*. The client must ensure that
-// it does not contain a mix of the two, and that
-// DestroyData is called if it contains wxClientData
-class WXDLLIMPEXP_BASE wxClientDataDictionary
-{
-public:
- wxClientDataDictionary() {}
-
- // deletes all the data
- void DestroyData()
- {
- for( size_t i = 0, end = m_vec.size(); i != end; ++i )
- delete m_vec[i].data;
- m_vec.clear();
- }
-
- // if data for the given index is not present, add it,
- // if it is present, delete the old data and replace it with
- // the new one
- void Set( size_t index, wxClientData* data, bool doDelete )
- {
- size_t ptr = Find( index );
-
- if( !data )
- {
- if( ptr == m_vec.size() ) return;
- if( doDelete )
- delete m_vec[ptr].data;
- m_vec.erase( m_vec.begin() + ptr );
- }
- else
- {
- if( ptr == m_vec.size() )
- {
- m_vec.push_back( wxClientDataDictionaryPair( index ) );
- ptr = m_vec.size() - 1;
- }
-
- if( doDelete )
- delete m_vec[ptr].data;
- m_vec[ptr].data = data;
- }
- }
-
- // get the data associated with the given index,
- // return 0 if not found
- wxClientData* Get( size_t index ) const
- {
- size_t it = Find( index );
- if( it == m_vec.size() ) return 0;
- return (wxClientData*)m_vec[it].data; // const cast
- }
-
- // delete the data associated with the given index
- // it also decreases by one the indices of all the elements
- // with an index greater than the given index
- void Delete( size_t index, bool doDelete )
- {
- size_t todel = m_vec.size();
-
- for( size_t i = 0, end = m_vec.size(); i != end; ++i )
- {
- if( m_vec[i].index == index )
- todel = i;
- else if( m_vec[i].index > index )
- --(m_vec[i].index);
- }
-
- if( todel != m_vec.size() )
- {
- if( doDelete )
- delete m_vec[todel].data;
- m_vec.erase( m_vec.begin() + todel );
- }
- }
-private:
- // returns MyVec.size() if not found
- size_t Find( size_t index ) const
- {
- for( size_t i = 0, end = m_vec.size(); i != end; ++i )
- {
- if( m_vec[i].index == index )
- return i;
- }
-
- return m_vec.size();
- }
-
- wxVector<wxClientDataDictionaryPair> m_vec;
-};
-