void CDirectoryTreeCtrl::OnLButtonDown(UINT nFlags, CPoint point)
{
UINT uFlags;
HTREEITEM hItem = HitTest(point, &uFlags);
HTREEITEM tItem = GetFirstVisibleItem();
if((hItem) && (uFlags & TVHT_ONITEMSTATEICON))
{
CheckChanged(hItem, !GetCheck(hItem));
if(nFlags & MK_CONTROL)
{
Expand(hItem, TVE_TOGGLE);
HTREEITEM hChild;
hChild = GetChildItem(hItem);
while (hChild != NULL)
{
MarkChilds(hChild,!GetCheck(hItem));
hChild = GetNextSiblingItem(hChild);
}
Expand(hItem, TVE_TOGGLE);
}
}
SelectSetFirstVisible(tItem);
CTreeCtrl::OnLButtonDown(nFlags, point);
}
// Eine bestimmte Objekteigenschaft vorselektieren
bool CSelectObjectPropTree::SelectObjProp (LPCSTR pcObjProp)
{
HTREEITEM hItem = FindString (pcObjProp);
if (NULL == hItem)
return false;
SelectSetFirstVisible (hItem);
SelectItem (hItem);
return true;
}
void CDirectoryTreeCtrl::OnTvnKeydown(NMHDR *pNMHDR, LRESULT *pResult)
{
LPNMTVKEYDOWN pTVKeyDown = reinterpret_cast<LPNMTVKEYDOWN>(pNMHDR);
switch(pTVKeyDown->wVKey)
{
case VK_SPACE:
case VK_RETURN:
{
HTREEITEM hItem = GetSelectedItem();
if(hItem)
{
HTREEITEM tItem = GetFirstVisibleItem();
CheckChanged(hItem, !GetCheck(hItem));
if(m_bCtrlPressed)
{
Expand(hItem, TVE_TOGGLE);
HTREEITEM hChild;
hChild = GetChildItem(hItem);
while(hChild != NULL)
{
MarkChilds(hChild,!GetCheck(hItem));
hChild = GetNextSiblingItem( hChild );
}
SetCheck(hItem, !GetCheck(hItem));
Expand(hItem, TVE_TOGGLE);
}
SelectSetFirstVisible(tItem);
}
break;
}
default:
break;
}
*pResult = 0;
}
BOOL CMyTreeView::GetRootItems()
{
DeleteAllItems();
Cpidl cpidlDesk;
cpidlDesk.SHGetSpecialFolderLocation(NULL, CSIDL_DESKTOP);
if (cpidlDesk.GetPidl()) {
TV_ITEM tvItem = {0};
TV_INSERTSTRUCT tvInsert = {0};
HTREEITEM hParentItem;
//fill in the TVITEM structure for this item
tvItem.mask = TVIF_PARAM | TVIF_TEXT | TVIF_IMAGE | TVIF_SELECTEDIMAGE | TVIF_CHILDREN;
//Store a pointer to the TreeItemData in the lParam and m_pItems
TreeItemData* pItem = new TreeItemData(cpidlDesk);
tvItem.lParam = (LPARAM)pItem;
m_pItems.push_back(pItem);
//text and images are done on a callback basis
tvItem.pszText = LPSTR_TEXTCALLBACK;
tvItem.iImage = tvItem.iSelectedImage = I_IMAGECALLBACK;
//assume the desktop has children
tvItem.cChildren = TRUE;
//fill in the TV_INSERTSTRUCT structure for this item
tvInsert.item = tvItem;
tvInsert.hInsertAfter = TVI_LAST;
tvInsert.hParent = TVI_ROOT;
SetFocus();
//add the item
hParentItem = InsertItem(tvInsert);
//go ahead and expand this item
Expand(hParentItem, TVE_EXPAND);
//Select the next item
HTREEITEM hNext = GetNextItem(hParentItem, TVGN_CHILD);
//Expand this item
Expand(hNext, TVE_EXPAND);
//Select this item
SelectItem(hNext);
//Scroll this item into view
SelectSetFirstVisible(hNext);
return TRUE;
}
return FALSE;
}
void CDirectoryTreeCtrl::ShareSubDirTree(HTREEITEM hItem, BOOL bRecurse)
{
CWaitCursor curWait;
SetRedraw(FALSE);
HTREEITEM hItemVisibleItem = GetFirstVisibleItem();
CheckChanged(hItem, !GetCheck(hItem));
if (bRecurse)
{
Expand(hItem, TVE_TOGGLE);
HTREEITEM hChild = GetChildItem(hItem);
while (hChild != NULL)
{
MarkChilds(hChild, !GetCheck(hItem));
hChild = GetNextSiblingItem(hChild);
}
Expand(hItem, TVE_TOGGLE);
}
if (hItemVisibleItem)
SelectSetFirstVisible(hItemVisibleItem);
SetRedraw(TRUE);
Invalidate();
}