void UIWidget::setParent(const UIWidgetPtr& parent)
{
// remove from old parent
UIWidgetPtr oldParent = getParent();
// the parent is already the same
if(oldParent == parent)
return;
UIWidgetPtr self = static_self_cast<UIWidget>();
if(oldParent && oldParent->hasChild(self))
oldParent->removeChild(self);
// reset parent
m_parent.reset();
// set new parent
if(parent) {
m_parent = parent;
// add to parent if needed
if(!parent->hasChild(self))
parent->addChild(self);
}
}
UIWidgetPtr UIManager::createWidgetFromOTML(const OTMLNodePtr& widgetNode, const UIWidgetPtr& parent)
{
OTMLNodePtr originalStyleNode = getStyle(widgetNode->tag());
if(!originalStyleNode)
stdext::throw_exception(stdext::format("'%s' is not a defined style", widgetNode->tag()));
OTMLNodePtr styleNode = originalStyleNode->clone();
styleNode->merge(widgetNode);
std::string widgetType = styleNode->valueAt("__class");
// call widget creation from lua
UIWidgetPtr widget = g_lua.callGlobalField<UIWidgetPtr>(widgetType, "create");
if(parent)
parent->addChild(widget);
if(widget) {
widget->callLuaField("onCreate");
widget->setStyleFromNode(styleNode);
for(const OTMLNodePtr& childNode : styleNode->children()) {
if(!childNode->isUnique()) {
createWidgetFromOTML(childNode, widget);
styleNode->removeChild(childNode);
}
}
} else
stdext::throw_exception(stdext::format("unable to create widget of type '%s'", widgetType));
widget->callLuaField("onSetup");
return widget;
}
