MgaMappedTreeCtrl.cpp

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// MgaMappedTreeCtrl.cpp: implementation of the CMgaMappedTreeCtrl class.
//

#include "stdafx.h"
#include "gmeactivebrowser.h"
#include "MgaMappedTreeCtrl.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

// Construction/Destruction

BOOL CMgaMappedTreeCtrlBase::SetItemState(HTREEITEM hItem, UINT nState)
{

        if(nState&TVIS_BOLD)CTreeCtrl::SetItemState(hItem,TVIS_BOLD,TVIS_BOLD); 
        if(nState&TVIS_SELECTED)CTreeCtrlEx::SelectItemEx(hItem);
        if(nState&TVIS_EXPANDED)Expand(hItem,TVE_EXPAND );

        return TRUE;
}

// Recursively deletes every child
void CMgaMappedTreeCtrlBase::DeleteAllChildren(HTREEITEM hParent)
{
        if (ItemHasChildren(hParent)) // this may indicate true and the GetChildItem may give at the same time back 0x00000000 since that children may not have htreeitem inserted for it
        {
           HTREEITEM hItem = GetChildItem(hParent);

           while (hItem != NULL)
           {
                        DeleteAllChildren(hItem);

                        HTREEITEM hNextItem = GetNextSiblingItem(hItem);                
                        // Consistently removes item from map and the tree ctrl
                        DeleteItem(hItem);
                        hItem=hNextItem;

           }
        }

}

void CMgaMappedTreeCtrlBase::ExpandAllChildren(HTREEITEM hParent,UINT nCode)
{

        if (ItemHasChildren(hParent))
        {
           HTREEITEM hItem = GetChildItem(hParent);

           while (hItem != NULL)
           {               
                   Expand(hItem,nCode);
                   hItem = GetNextSiblingItem(hItem);                                           
           }
        }

}


BOOL CMgaMappedTreeCtrlBase::IsRelevantDropTarget(CPoint point, CImageList*)
{
        return FALSE;
}

void CMgaMappedTreeCtrlBase::RegisterDropTarget()
{

        m_DropTarget.Register(this);
}

BOOL CMgaMappedTreeCtrlBase::DoDrop(eDragOperation, COleDataObject*, CPoint)
{
        return FALSE;
}