bool TreeView::moveUp(HTREEITEM itemToMove)
{
HTREEITEM hItemToDown = getPrevSibling(itemToMove);
if (!hItemToDown)
return false;
return swapTreeViewItem(hItemToDown, itemToMove);
}
Component* Component::getPrevDepthFirstComponent(void) const
{
if(getParentContainer() != NULL)
{
Component* TestComp(getPrevSibling());
if(TestComp == NULL)
{
TestComp = getParentContainer();
while(TestComp != NULL &&
TestComp->getPrevSibling() == NULL)
{
TestComp = TestComp->getParentContainer();
}
if(TestComp != NULL)
{
TestComp = TestComp->getPrevSibling();
}
}
if(TestComp != NULL &&
TestComp->getType().isDerivedFrom(ComponentContainer::getClassType()))
{
return TestComp->getRightmostDecendent();
}
else
{
return TestComp;
}
}
return NULL;
}
INode::node_t::SP INode::rewindRange(Size& size, const bool bChk) const {
if(bChk) {
if(auto ret = _rewindRange(size))
return ret;
} else
size -= _getThisSize();
if(size > 0) {
if(auto ps = getPrevSibling())
return ps->rewindRange(size, true);
if(auto p = getParent())
return p->rewindRange(size, false);
}
return const_cast<INode*>(this)->shared_from_this();
}
INode::node_t::SP Node::_rewindRange(Size& size) const {
const auto cs = _getCachedSize();
if(isExpanded()) {
if(size <= cs) {
// このノードを精査
auto cur = getChild();
while(auto next = cur->getSibling())
cur = next;
for(;;) {
if(auto ret = cur->rewindRange(size))
return ret;
if(auto next = cur->getPrevSibling())
cur = next;
else
break;
}
AssertP(Trap, size <= _getThisSize())
return const_cast<Node*>(this)->shared_from_this();
}
size -= cs;
} else {
bool TreeView::swapTreeViewItem(HTREEITEM itemGoDown, HTREEITEM itemGoUp)
{
HTREEITEM selectedItem = getSelection();
int itemSelected = selectedItem == itemGoDown?1:(selectedItem == itemGoUp?2:0);
// get previous and next for both items with () function
HTREEITEM itemTop = getPrevSibling(itemGoDown);
itemTop = itemTop?itemTop:(HTREEITEM)TVI_FIRST;
HTREEITEM parentGoDown = getParent(itemGoDown);
HTREEITEM parentGoUp = getParent(itemGoUp);
if (parentGoUp != parentGoDown)
return false;
// get both item infos
TCHAR textBufferUp[MAX_PATH];
TCHAR textBufferDown[MAX_PATH];
TVITEM tvUpItem;
TVITEM tvDownItem;
tvUpItem.mask = TVIF_TEXT | TVIF_PARAM | TVIF_IMAGE | TVIF_SELECTEDIMAGE;
tvDownItem.mask = TVIF_TEXT | TVIF_PARAM | TVIF_IMAGE | TVIF_SELECTEDIMAGE;
tvUpItem.pszText = textBufferUp;
tvDownItem.pszText = textBufferDown;
tvUpItem.cchTextMax = MAX_PATH;
tvDownItem.cchTextMax = MAX_PATH;
tvUpItem.hItem = itemGoUp;
tvDownItem.hItem = itemGoDown;
SendMessage(_hSelf, TVM_GETITEM, 0,(LPARAM)&tvUpItem);
SendMessage(_hSelf, TVM_GETITEM, 0,(LPARAM)&tvDownItem);
// make copy recursively for both items
if (tvUpItem.lParam)
tvUpItem.lParam = (LPARAM)(new generic_string(*((generic_string *)(tvUpItem.lParam))));
if (tvDownItem.lParam)
tvDownItem.lParam = (LPARAM)(new generic_string(*((generic_string *)(tvDownItem.lParam))));
// add 2 new items
TVINSERTSTRUCT tvInsertUp;
tvInsertUp.item = tvUpItem;
tvInsertUp.hInsertAfter = itemTop;
tvInsertUp.hParent = parentGoUp;
HTREEITEM hTreeParent1stInserted = (HTREEITEM)::SendMessage(_hSelf, TVM_INSERTITEM, 0, (LPARAM)(LPTVINSERTSTRUCT)&tvInsertUp);
dupTree(itemGoUp, hTreeParent1stInserted);
TVINSERTSTRUCT tvInsertDown;
tvInsertDown.item = tvDownItem;
tvInsertDown.hInsertAfter = hTreeParent1stInserted;
tvInsertDown.hParent = parentGoDown;
HTREEITEM hTreeParent2ndInserted = (HTREEITEM)::SendMessage(_hSelf, TVM_INSERTITEM, 0, (LPARAM)(LPTVINSERTSTRUCT)&tvInsertDown);
dupTree(itemGoDown, hTreeParent2ndInserted);
// remove 2 old items
removeItem(itemGoUp);
removeItem(itemGoDown);
// Restore the selection if needed
if (itemSelected != 0)
{
if (itemSelected == 1)
{
selectItem(hTreeParent2ndInserted);
}
else if (itemSelected == 2)
{
selectItem(hTreeParent1stInserted);
}
}
return true;
}
