/*************************************************************************
Removes the given item from the list box.
*************************************************************************/
void Listbox::removeItem(const ListboxItem* item)
{
if (item)
{
LBItemList::iterator pos = std::find(d_listItems.begin(), d_listItems.end(), item);
// if item is in the list
if (pos != d_listItems.end())
{
// disown item
(*pos)->setOwnerWindow(0);
// remove item
d_listItems.erase(pos);
// if item was the last selected item, reset that to NULL
if (item == d_lastSelected)
{
d_lastSelected = 0;
}
// if item is supposed to be deleted by us
if (item->isAutoDeleted())
{
// clean up this item.
delete item;
}
WindowEventArgs args(this);
onListContentsChanged(args);
}
}
}
bool Combobox::listbox_ListContentsChangedHandler(const EventArgs& e)
{
WindowEventArgs args(this);
onListContentsChanged(args);
return true;
}
/*************************************************************************
Remove all items from the list.
*************************************************************************/
void Tree::resetList(void)
{
if (resetList_impl())
{
WindowEventArgs args(this);
onListContentsChanged(args);
}
}
/*************************************************************************
Causes the list box to update it's internal state after changes have
been made to one or more attached ItemEntry objects.
*************************************************************************/
void ItemListBase::handleUpdatedItemData(bool resort)
{
if (!d_destructionStarted)
{
d_resort |= resort;
WindowEventArgs args(this);
onListContentsChanged(args);
}
}
bool Combobox::listbox_ListContentsChangedHandler(const EventArgs&)
{
if (isDropDownListVisible())
updateAutoSizedDropList();
WindowEventArgs args(this);
onListContentsChanged(args);
return true;
}
/*************************************************************************
Insert an item into the list box after a specified item already in
the list.
*************************************************************************/
void Listbox::insertItem(ListboxItem* item, const ListboxItem* position)
{
// if the list is sorted, it's the same as a normal add operation
if (isSortEnabled())
{
addItem(item);
}
else if (item)
{
// establish ownership
item->setOwnerWindow(this);
// if position is NULL begin insert at begining, else insert after item 'position'
LBItemList::iterator ins_pos;
if (!position)
{
ins_pos = d_listItems.begin();
}
else
{
ins_pos = std::find(d_listItems.begin(), d_listItems.end(), position);
// throw if item 'position' is not in the list
if (ins_pos == d_listItems.end())
{
CEGUI_THROW(InvalidRequestException(
"the specified ListboxItem for parameter 'position' is not attached to this Listbox."));
}
}
d_listItems.insert(ins_pos, item);
WindowEventArgs args(this);
onListContentsChanged(args);
}
}
/*************************************************************************
Add the given TreeItem to the list.
*************************************************************************/
void Tree::addItem(TreeItem* item)
{
if (item != 0)
{
// establish ownership
item->setOwnerWindow(this);
// if sorting is enabled, re-sort the list
if (isSortEnabled())
{
d_listItems.insert(std::upper_bound(d_listItems.begin(), d_listItems.end(), item, &lbi_less), item);
}
// not sorted, just stick it on the end.
else
{
d_listItems.push_back(item);
}
WindowEventArgs args(this);
onListContentsChanged(args);
}
}