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Renamed HasChildren() to IsContainer(), added GetParent() to wxDataViewModel

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@47589 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling
2007-07-20 09:01:52 +00:00
parent ee5aa9d44f
commit ed903e4242
4 changed files with 37 additions and 14 deletions
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32
samples/dataview/dataview.cpp
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@@ -171,7 +171,7 @@ public:
int Compare( const wxDataViewItem &item1, const wxDataViewItem &item2 )
{
if (HasChildren(item1) && HasChildren(item2))
if (IsContainer(item1) && IsContainer(item2))
{
wxVariant value1,value2;
GetValue( value1, item1, 0 );
@@ -230,12 +230,29 @@ public:
}
}
virtual bool HasChildren( const wxDataViewItem &item ) const
virtual wxDataViewItem GetParent( const wxDataViewItem &item ) const
{
// the invisble root node has no parent
if (!item.IsOk())
return wxDataViewItem(0);
MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
if (!node)
// "MyMusic" also has no parent
if (node == m_root)
return wxDataViewItem(0);
return wxDataViewItem( (void*) node->GetParent() );
}
virtual bool IsContainer( const wxDataViewItem &item ) const
{
// the invisble root node can have children (in
// our model always "MyMusic")
if (!item.IsOk())
return true;
MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
return node->IsContainer();
}
@@ -261,14 +278,19 @@ public:
virtual wxDataViewItem GetNextSibling( const wxDataViewItem &item ) const
{
MyMusicModelNode *node = (MyMusicModelNode*) item.GetID();
MyMusicModelNode *parent = node->GetParent();
if (!parent)
// "MyMusic" has no siblings in our model
if (node == m_root)
return wxDataViewItem(0);
MyMusicModelNode *parent = node->GetParent();
int pos = parent->GetChildren().Index( node );
// Something went wrong
if (pos == wxNOT_FOUND)
return wxDataViewItem(0);
// No more children
if (pos == parent->GetChildCount()-1)
return wxDataViewItem(0);