No real change, use more descriptive variable names in wxDataViewMainWindow::ItemDeleted().

Call the node object corresponding to 'parent' 'parentNode' instead
of just the more vague 'node'. Also, 'nodes' instead of 'nds'.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@68912 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Václav Slavík 2011-08-27 13:24:07 +00:00
parent 35368572bc
commit b632efe0d6

View File

@ -2042,68 +2042,68 @@ bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
}
else // general case
{
wxDataViewTreeNode * node = FindNode(parent);
wxDataViewTreeNode * parentNode = FindNode(parent);
// Notice that it is possible that the item being deleted is not in the
// tree at all, for example we could be deleting a never shown (because
// collapsed) item in a tree model. So it's not an error if we don't know
// about this item, just return without doing anything then.
if ( !node )
if ( !parentNode )
return false;
int itemPosInNode = node->GetChildren().Index(item.GetID());
int itemPosInNode = parentNode->GetChildren().Index(item.GetID());
if ( itemPosInNode == wxNOT_FOUND )
return false;
bool isContainer = false;
wxDataViewTreeNode *itemNode = NULL;
const wxDataViewTreeNodes nds = node->GetNodes();
for (size_t i = 0; i < nds.GetCount(); i ++)
const wxDataViewTreeNodes nodes = parentNode->GetNodes();
for (size_t i = 0; i < nodes.GetCount(); i ++)
{
if (nds[i]->GetItem() == item)
if (nodes[i]->GetItem() == item)
{
isContainer = true;
itemNode = nds[i];
itemNode = nodes[i];
break;
}
}
// Delete the item from wxDataViewTreeNode representation:
int itemsDeleted = 1;
node->GetChildren().Remove( item.GetID() );
parentNode->GetChildren().Remove( item.GetID() );
if( isContainer )
{
wxDataViewTreeNode *n = node->FindItemAsNode(item);
wxDataViewTreeNode *n = parentNode->FindItemAsNode(item);
wxCHECK_MSG( n != NULL, false, "item not found" );
node->GetNodes().Remove( n );
parentNode->GetNodes().Remove( n );
itemsDeleted += n->GetSubTreeCount();
::DestroyTreeHelper(n);
}
// Make the row number invalid and get a new valid one when user call GetRowCount
m_count = -1;
node->ChangeSubTreeCount(-itemsDeleted);
parentNode->ChangeSubTreeCount(-itemsDeleted);
// Update selection by removing 'item' and its entire children tree from the selection.
if ( !m_selection.empty() )
{
// we can't call GetRowByItem() on 'item', as it's already deleted, so compute it from
// the parent ('node') and position in its list of children
// the parent ('parentNode') and position in its list of children
int itemRow;
if ( itemPosInNode == 0 )
{
// 1st child, row number is that of the parent node + 1
itemRow = GetRowByItem(node->GetItem()) + 1;
// 1st child, row number is that of the parent parentNode + 1
itemRow = GetRowByItem(parentNode->GetItem()) + 1;
}
else
{
// row number is that of the sibling above 'item' + its subtree if any + 1
const wxDataViewItem sibling = wxDataViewItem(node->GetChildren()[itemPosInNode - 1]);
const wxDataViewTreeNode *siblingNode = node->FindItemAsNode(sibling);
const wxDataViewItem sibling = wxDataViewItem(parentNode->GetChildren()[itemPosInNode - 1]);
const wxDataViewTreeNode *siblingNode = parentNode->FindItemAsNode(sibling);
itemRow = GetRowByItem(sibling);
if ( siblingNode )