void wxTreeListModel::DeleteItem(Node* item)
{
wxCHECK_RET( item, "Invalid item" );
wxCHECK_RET( item != m_root, "Can't delete the root item" );
Node* const parent = item->GetParent();
ItemDeleted(ToDVI(parent), ToDVI(item));
Node* previous = parent->GetChild();
if ( previous == item )
{
parent->DeleteChild();
}
else // Not the first child of its parent.
{
// Find the sibling just before it.
for ( ;; )
{
Node* const next = previous->GetNext();
if ( next == item )
break;
wxCHECK_RET( next, "Item not a child of its parent?" );
previous = next;
}
previous->DeleteNext();
}
}
void MemCheckDVCErrorsModel::DeleteItem(const wxDataViewItem& item)
{
MemCheckDVCErrorsModel_Item* node = reinterpret_cast<MemCheckDVCErrorsModel_Item*>(item.m_pItem);
if ( node ) {
MemCheckDVCErrorsModel_Item* parent = node->GetParent();
wxDataViewItem parentItem(parent);
ItemDeleted(parentItem, item);
// this will also remove it from its model parent children list
if ( parent == NULL ) {
// root item, remove it from the roots array
wxVector<MemCheckDVCErrorsModel_Item*>::iterator where = std::find(m_data.begin(), m_data.end(), node);
if ( where != m_data.end() ) {
m_data.erase(where);
}
}
// If there are no more children, change the item back to 'normal'
if ( parent && parent->GetChildren().empty() )
DoChangeItemType(parentItem, false);
wxDELETE(node);
}
if ( IsEmpty() )
Cleared();
}
void MyMusicTreeModel::Delete( const wxDataViewItem &item )
{
MyMusicTreeModelNode *node = (MyMusicTreeModelNode*) item.GetID();
if (!node) // happens if item.IsOk()==false
return;
wxDataViewItem parent( node->GetParent() );
if (!parent.IsOk())
{
wxASSERT(node == m_root);
// don't make the control completely empty:
wxLogError( "Cannot remove the root item!" );
return;
}
// is the node one of those we keep stored in special pointers?
if (node == m_pop)
m_pop = NULL;
else if (node == m_classical)
m_classical = NULL;
else if (node == m_ninth)
m_ninth = NULL;
// first remove the node from the parent's array of children;
// NOTE: MyMusicTreeModelNodePtrArray is only an array of _pointers_
// thus removing the node from it doesn't result in freeing it
node->GetParent()->GetChildren().Remove( node );
// free the node
delete node;
// notify control
ItemDeleted( parent, item );
}
int ObjectSelection::DeleteCurrentSelectionInTable()
{
if( selections.size() > 0)
{
emit ItemDeleted();
return selections.size();
}
else
{
return 0;
}
}
void TreeListModel::DoChangeItemType(const wxDataViewItem& item, bool changeToContainer)
{
TreeListModel_Item* node = reinterpret_cast<TreeListModel_Item*>(item.GetID());
if ( !node )
return;
if ( ( changeToContainer && !node->IsContainer()) || // change an item from non-container to container type
( !changeToContainer && node->IsContainer()) ) { // change an item from container to non-container type
#if defined(__WXGTK__) || defined(__WXMAC__)
// change the item to container type:
// 1st we need to delete it
ItemDeleted(wxDataViewItem(node->GetParent()), item);
// update the node type
node->SetIsContainer(changeToContainer);
ItemAdded(wxDataViewItem(node->GetParent()), item);
#else
node->SetIsContainer(changeToContainer);
#endif
}
}
