/*************************************************************************
Remove the given TreeItem from this item's list.
*************************************************************************/
void TreeItem::removeItem(const TreeItem* item)
{
if (item)
{
Tree* parentWindow = (Tree*)getOwnerWindow();
LBItemList::iterator pos = std::find(d_listItems.begin(),
d_listItems.end(),
item);
if (pos != d_listItems.end())
{
(*pos)->setOwnerWindow(0);
d_listItems.erase(pos);
if (item == parentWindow->d_lastSelected)
parentWindow->d_lastSelected = 0;
if (item->isAutoDeleted())
delete item;
WindowEventArgs args(parentWindow);
parentWindow->onListContentsChanged(args);
}
}
}
/*************************************************************************
Add the given TreeItem to this item's list.
*************************************************************************/
void TreeItem::addItem(TreeItem* item)
{
if (item != 0)
{
Tree* parentWindow = (Tree*)getOwnerWindow();
// establish ownership
item->setOwnerWindow(parentWindow);
// if sorting is enabled, re-sort the tree
if (parentWindow->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(parentWindow);
parentWindow->onListContentsChanged(args);
}
}
void ListboxTextItem::draw(RenderCache& cache,const Rect& targetRect, float zBase, float alpha, const Rect* clipper) const
{
if (d_selected && d_selectBrush != 0)
{
cache.cacheImage(*d_selectBrush, targetRect, zBase, getModulateAlphaColourRect(d_selectCols, alpha), clipper);
}
const FontBase* font = getFont();
if (font)
{
Rect finalPos(targetRect);
finalPos.d_top += PixelAligned( FontBase::LineSpace * 0.5f);
cache.cacheText( getOwnerWindow(), d_itemText, font, d_horzFormateing, finalPos, zBase, getModulateAlphaColourRect(d_textCols, alpha), clipper);
}
}
/*************************************************************************
Draw the list box item in its current state.
*************************************************************************/
void ListboxTextItem::draw(const Vector3& position, float alpha, const Rect& clipper) const
{
if (d_selected && (d_selectBrush != NULL))
{
d_selectBrush->draw(clipper, position.d_z, clipper, getModulateAlphaColourRect(d_selectCols, alpha));
}
const FontBase* fnt = getFont();
if (fnt != NULL)
{
Vector3 finalPos(position);
finalPos.d_y -= PixelAligned((fnt->getLineSpacing() - fnt->getBaseline()) * 0.5f);
fnt->drawText( getOwnerWindow(), d_itemText, finalPos, clipper, getModulateAlphaColourRect(d_textCols, alpha));
}
}
