/**
* @brief update option cache about child, according to collapse and visible status
* @note can be a common function for all option node
* @return number of visible elements
*/
int UI_OptionUpdateCache (uiNode_t* option)
{
int count = 0;
while (option) {
int localCount = 0;
assert(option->behaviour == ui_optionBehaviour);
if (option->invis) {
option = option->next;
continue;
}
if (OPTIONEXTRADATA(option).collapsed) {
OPTIONEXTRADATA(option).childCount = 0;
option = option->next;
count++;
continue;
}
if (option->firstChild)
localCount = UI_OptionUpdateCache(option->firstChild);
OPTIONEXTRADATA(option).childCount = localCount;
count += 1 + localCount;
option = option->next;
}
return count;
}
static void UI_OptionTreeNodeUpdateCache (uiNode_t * node)
{
uiNode_t* option = UI_OptionTreeNodeGetFirstOption(node);
if (option)
EXTRADATA(node).count = UI_OptionUpdateCache(option);
}
